Ur/Web: src/c/urweb.c annotate

annotate src/c/urweb.c @ 1388:3913cbfd72e9

String processing optimizations

author	Adam Chlipala <adam@chlipala.net>
date	Tue, 11 Jan 2011 14:03:54 -0500
parents	64724ef86149
children	9a721f0722d3

rev	line source
adamc@1268	1 #include "config.h"
adamc@1268	2
adamc@117	3 #include <stdlib.h>
adamc@102	4 #include <stdio.h>
adamc@117	5 #include <string.h>
adamc@457	6 #include <strings.h>
adamc@106	7 #include <ctype.h>
adamc@167	8 #include <setjmp.h>
adamc@167	9 #include <stdarg.h>
adamc@682	10 #include <assert.h>
adamc@741	11 #include <ctype.h>
adamc@1114	12 #include <limits.h>
adamc@1113	13 #include <stdint.h>
adamc@1094	14 #include <sys/types.h>
adamc@1094	15 #include <sys/socket.h>
adam@1360	16 #include <crypt.h>
adam@1374	17 #include <time.h>
adamc@102	18
adamc@667	19 #include <pthread.h>
adamc@667	20
adamc@102	21 #include "types.h"
adamc@102	22
adamc@311	23 uw_unit uw_unit_v = {};
adamc@102	24
adamc@667	25
adamc@667	26 // Socket extras
adamc@667	27
adamc@863	28 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667	29 while (len > 0) {
adamc@856	30 ssize_t n = send(sock, buf, len, 0);
adamc@856	31
adamc@856	32 if (n < 0)
adamc@856	33 return n;
adamc@856	34
adamc@856	35 buf += n;
adamc@856	36 len -= n;
adamc@856	37 }
adamc@856	38
adamc@856	39 return 0;
adamc@856	40 }
adamc@856	41
adamc@856	42 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856	43 while (len > 0) {
adamc@856	44 ssize_t n = write(fd, buf, len);
adamc@667	45
adamc@667	46 if (n < 0)
adamc@667	47 return n;
adamc@667	48
adamc@667	49 buf += n;
adamc@667	50 len -= n;
adamc@667	51 }
adamc@667	52
adamc@667	53 return 0;
adamc@667	54 }
adamc@667	55
adamc@667	56
adamc@667	57 // Buffers
adamc@667	58
adam@1369	59 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113	60 b->max = max;
adamc@667	61 b->front = b->start = malloc(s);
adamc@667	62 b->back = b->front + s;
adamc@667	63 }
adamc@667	64
adam@1369	65 void uw_buffer_free(uw_buffer *b) {
adamc@667	66 free(b->start);
adamc@667	67 }
adamc@667	68
adam@1369	69 void uw_buffer_reset(uw_buffer *b) {
adamc@667	70 b->front = b->start;
adamc@667	71 }
adamc@667	72
adam@1369	73 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667	74 if (b->back - b->front < extra) {
adamc@667	75 size_t desired = b->front - b->start + extra, next;
adamc@667	76 char *new_heap;
adamc@667	77
adamc@667	78 next = b->back - b->start;
adamc@667	79 if (next == 0)
adamc@667	80 next = 1;
adamc@667	81 for (; next < desired; next *= 2);
adamc@667	82
adamc@1134	83 if (next > b->max) {
adamc@1113	84 if (desired <= b->max)
adamc@1113	85 next = desired;
adamc@1113	86 else
adamc@1113	87 return 1;
adamc@1134	88 }
adamc@1113	89
adamc@667	90 new_heap = realloc(b->start, next);
adamc@667	91 b->front = new_heap + (b->front - b->start);
adamc@667	92 b->back = new_heap + next;
adamc@667	93 b->start = new_heap;
adamc@667	94 }
adamc@1113	95
adamc@1113	96 return 0;
adamc@1113	97 }
adamc@1113	98
adamc@1113	99 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113	100
adam@1369	101 static void ctx_uw_buffer_check(uw_context ctx, const char kind, uw_buffer b, size_t extra) {
adam@1369	102 if (uw_buffer_check(b, extra))
adamc@1113	103 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667	104 }
adamc@667	105
adam@1369	106 size_t uw_buffer_used(uw_buffer *b) {
adamc@667	107 return b->front - b->start;
adamc@667	108 }
adamc@667	109
adam@1369	110 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667	111 return b->back - b->start;
adamc@667	112 }
adamc@667	113
adam@1369	114 int uw_buffer_append(uw_buffer b, const char s, size_t len) {
adam@1369	115 if (uw_buffer_check(b, len+1))
adamc@1113	116 return 1;
adamc@1113	117
adamc@1113	118 memcpy(b->front, s, len);
adamc@1113	119 b->front += len;
adamc@1113	120 *b->front = 0;
adamc@1113	121
adamc@1113	122 return 0;
adamc@1113	123 }
adamc@1113	124
adam@1369	125 static void ctx_uw_buffer_append(uw_context ctx, const char kind, uw_buffer b, const char *s, size_t len) {
adam@1369	126 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113	127
adamc@668	128 memcpy(b->front, s, len);
adamc@668	129 b->front += len;
adamc@672	130 *b->front = 0;
adamc@668	131 }
adamc@667	132
adamc@668	133
adamc@672	134 // Persistent state types
adamc@667	135
adamc@667	136 typedef enum { UNUSED, USED } usage;
adamc@667	137
adamc@667	138 typedef struct client {
adamc@682	139 unsigned id;
adamc@667	140 usage mode;
adamc@682	141 int pass;
adamc@682	142 struct client *next;
adamc@689	143 pthread_mutex_t lock, pull_lock;
adam@1369	144 uw_buffer msgs;
adamc@682	145 int sock;
adamc@863	146 int (send)(int sockfd, const void buf, ssize_t len);
adamc@863	147 int (*close)(int fd);
adamc@682	148 time_t last_contact;
adamc@682	149 unsigned n_channels;
adamc@685	150 unsigned refcount;
adamc@1121	151 void *data;
adamc@667	152 } client;
adamc@667	153
adamc@672	154
adamc@672	155 // Persistent client state
adamc@672	156
adamc@682	157 static client *clients, clients_free, *clients_used;
adamc@682	158 static unsigned n_clients;
adamc@667	159
adamc@667	160 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667	161
adamc@1113	162 size_t uw_messages_max = SIZE_MAX;
adamc@1113	163 size_t uw_clients_max = SIZE_MAX;
adamc@1113	164
adamc@1121	165 void *uw_init_client_data();
adamc@1121	166 void uw_free_client_data(void *);
adamc@1121	167 void uw_copy_client_data(void dst, void src);
adamc@1121	168
adamc@682	169 static client *new_client() {
adamc@667	170 client *c;
adamc@667	171
adamc@667	172 pthread_mutex_lock(&clients_mutex);
adamc@667	173
adamc@667	174 if (clients_free) {
adamc@667	175 c = clients_free;
adamc@682	176 clients_free = clients_free->next;
adamc@667	177 }
adamc@1113	178 else if (n_clients >= uw_clients_max)
adamc@1113	179 return NULL;
adamc@667	180 else {
adamc@667	181 ++n_clients;
adamc@667	182 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667	183 c = malloc(sizeof(client));
adamc@667	184 c->id = n_clients-1;
adamc@682	185 pthread_mutex_init(&c->lock, NULL);
adamc@689	186 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369	187 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667	188 clients[n_clients-1] = c;
adamc@667	189 }
adamc@667	190
adamc@682	191 pthread_mutex_lock(&c->lock);
adamc@667	192 c->mode = USED;
adamc@682	193 c->pass = rand();
adamc@682	194 c->sock = -1;
adamc@682	195 c->last_contact = time(NULL);
adam@1369	196 uw_buffer_reset(&c->msgs);
adamc@682	197 c->n_channels = 0;
adamc@685	198 c->refcount = 0;
adamc@1121	199 c->data = uw_init_client_data();
adamc@682	200 pthread_mutex_unlock(&c->lock);
adamc@682	201
adamc@682	202 c->next = clients_used;
adamc@682	203 clients_used = c;
adamc@667	204
adamc@667	205 pthread_mutex_unlock(&clients_mutex);
adamc@667	206
adamc@667	207 return c;
adamc@667	208 }
adamc@667	209
adamc@685	210 static void use_client(client *c) {
adamc@685	211 pthread_mutex_lock(&c->lock);
adamc@685	212 ++c->refcount;
adamc@685	213 pthread_mutex_unlock(&c->lock);
adamc@689	214 pthread_mutex_lock(&c->pull_lock);
adamc@685	215 }
adamc@685	216
adamc@685	217 static void release_client(client *c) {
adamc@689	218 pthread_mutex_unlock(&c->pull_lock);
adamc@685	219 pthread_mutex_lock(&c->lock);
adamc@685	220 --c->refcount;
adamc@685	221 pthread_mutex_unlock(&c->lock);
adamc@689	222
adamc@685	223 }
adamc@685	224
adamc@856	225 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667	226
adamc@682	227 static client *find_client(unsigned id) {
adamc@667	228 client *c;
adamc@667	229
adamc@667	230 pthread_mutex_lock(&clients_mutex);
adamc@667	231
adamc@667	232 if (id >= n_clients) {
adamc@667	233 pthread_mutex_unlock(&clients_mutex);
adamc@668	234 return NULL;
adamc@667	235 }
adamc@667	236
adamc@667	237 c = clients[id];
adamc@667	238
adamc@668	239 pthread_mutex_unlock(&clients_mutex);
adamc@668	240 return c;
adamc@668	241 }
adamc@668	242
adamc@856	243 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065	244 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856	245
adamc@856	246 void uw_set_on_success(char *s) {
adamc@856	247 on_success = s;
adamc@856	248 }
adamc@856	249
adamc@863	250 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863	251 int (send)(int sockfd, const void buf, ssize_t len),
adamc@864	252 int (*close)(int fd),
adamc@864	253 void *logger_data, uw_logger log_error) {
adamc@682	254 client *c = find_client(id);
adamc@668	255
adamc@668	256 if (c == NULL) {
adamc@667	257 close(sock);
adamc@864	258 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667	259 return;
adamc@667	260 }
adamc@667	261
adamc@682	262 pthread_mutex_lock(&c->lock);
adamc@671	263
adamc@682	264 if (c->mode != USED) {
adamc@682	265 pthread_mutex_unlock(&c->lock);
adamc@667	266 close(sock);
adamc@864	267 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667	268 return;
adamc@667	269 }
adamc@667	270
adamc@682	271 if (pass != c->pass) {
adamc@682	272 pthread_mutex_unlock(&c->lock);
adamc@682	273 close(sock);
adamc@864	274 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682	275 return;
adamc@667	276 }
adamc@667	277
adamc@682	278 if (c->sock != -1) {
adamc@863	279 c->close(c->sock);
adamc@682	280 c->sock = -1;
adamc@682	281 }
adamc@667	282
adamc@682	283 c->last_contact = time(NULL);
adamc@682	284
adam@1369	285 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863	286 send(sock, on_success, strlen(on_success));
adamc@863	287 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369	288 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369	289 uw_buffer_reset(&c->msgs);
adamc@667	290 close(sock);
adamc@667	291 }
adamc@863	292 else {
adamc@682	293 c->sock = sock;
adamc@863	294 c->send = send;
adamc@863	295 c->close = close;
adamc@863	296 }
adamc@667	297
adamc@682	298 pthread_mutex_unlock(&c->lock);
adamc@667	299 }
adamc@667	300
adamc@682	301 static void free_client(client *c) {
adamc@682	302 c->mode = UNUSED;
adamc@682	303 c->pass = -1;
adamc@667	304
adamc@682	305 c->next = clients_free;
adamc@682	306 clients_free = c;
adamc@667	307 }
adamc@667	308
adamc@682	309 static uw_Basis_channel new_channel(client *c) {
adamc@682	310 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668	311 return ch;
adamc@668	312 }
adamc@668	313
adam@1369	314 static void client_send(client c, uw_buffer msg) {
adamc@685	315 pthread_mutex_lock(&c->lock);
adamc@671	316
adamc@682	317 if (c->sock != -1) {
adamc@863	318 c->send(c->sock, on_success, strlen(on_success));
adamc@863	319 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369	320 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863	321 c->close(c->sock);
adamc@682	322 c->sock = -1;
adam@1369	323 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113	324 fprintf(stderr, "Client message buffer size exceeded");
adamc@671	325
adamc@685	326 pthread_mutex_unlock(&c->lock);
adamc@668	327 }
adamc@668	328
adamc@668	329
adamc@668	330 // Global entry points
adamc@668	331
adamc@1164	332 extern void uw_global_custom();
adamc@1104	333 extern void uw_init_crypto();
adamc@1104	334
adamc@668	335 void uw_global_init() {
adamc@668	336 srand(time(NULL) ^ getpid());
adamc@668	337
adamc@668	338 clients = malloc(0);
adamc@1104	339
adamc@1164	340 uw_global_custom();
adamc@1104	341 uw_init_crypto();
adamc@1094	342 }
adamc@1094	343
adamc@1094	344 void uw_app_init(uw_app *app) {
adamc@1094	345 app->client_init();
adamc@668	346 }
adamc@668	347
adam@1332	348 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114	349
adamc@668	350
adamc@667	351 // Single-request state
adamc@667	352
adamc@323	353 typedef struct regions {
adamc@323	354 struct regions *next;
adamc@323	355 } regions;
adamc@323	356
adamc@425	357 typedef struct {
adamc@425	358 void (func)(void);
adamc@425	359 void *arg;
adamc@425	360 } cleanup;
adamc@425	361
adamc@671	362 typedef struct {
adamc@682	363 unsigned client;
adam@1369	364 uw_buffer msgs;
adamc@682	365 } delta;
adamc@671	366
adamc@737	367 typedef enum {
adamc@759	368 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737	369 } input_kind;
adamc@737	370
adamc@756	371 typedef struct input {
adamc@737	372 input_kind kind;
adamc@737	373 union {
adamc@737	374 char *normal;
adamc@739	375 uw_Basis_file file;
adamc@756	376 struct {
adamc@759	377 struct input fields, parent;
adamc@756	378 } subform;
adamc@759	379 struct {
adamc@759	380 struct input entries, parent;
adamc@759	381 } subforms;
adamc@759	382 struct {
adamc@759	383 struct input fields, next, *parent;
adamc@759	384 } entry;
adamc@737	385 } data;
adamc@737	386 } input;
adamc@737	387
adamc@771	388 typedef struct {
adamc@771	389 void *data;
adam@1327	390 uw_callback commit, rollback;
adam@1327	391 uw_callback_with_retry free;
adamc@771	392 } transactional;
adamc@771	393
adamc@1061	394 typedef struct {
adamc@1061	395 char *name;
adamc@1061	396 void *data;
adamc@1061	397 void (free)(void);
adamc@1061	398 } global;
adamc@1061	399
adamc@311	400 struct uw_context {
adamc@1094	401 uw_app *app;
adamc@1094	402
adamc@854	403 char (get_header)(void , const char );
adamc@854	404 void *get_header_data;
adamc@457	405
adam@1369	406 uw_buffer outHeaders, page, heap, script;
adamc@1065	407 int returning_indirectly;
adamc@759	408 input inputs, subinputs, *cur_container;
adamc@1094	409 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167	410
adamc@565	411 int source_count;
adamc@562	412
adamc@272	413 void *db;
adamc@272	414
adamc@167	415 jmp_buf jmp_buf;
adamc@167	416
adamc@323	417 regions *regions;
adamc@323	418
adamc@425	419 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	420
adamc@1094	421 const char *script_header;
adamc@643	422
adamc@736	423 int needs_push, needs_sig;
adamc@693	424
adamc@682	425 size_t n_deltas, used_deltas;
adamc@682	426 delta *deltas;
adamc@671	427
adamc@682	428 client *client;
adamc@682	429
adamc@771	430 transactional *transactionals;
adamc@771	431 size_t n_transactionals, used_transactionals;
adamc@771	432
adamc@1061	433 global *globals;
adamc@1061	434 size_t n_globals;
adamc@1061	435
adamc@1066	436 char *current_url;
adamc@1066	437
adamc@1114	438 int deadline;
adamc@1114	439
adamc@1121	440 void *client_data;
adamc@1121	441
adam@1334	442 void *logger_data;
adam@1334	443 uw_logger log_debug;
adam@1334	444
adam@1386	445 int isPost, hasPostBody;
adam@1347	446 uw_Basis_postBody postBody;
adam@1370	447 uw_Basis_string queryString;
adam@1347	448
adamc@167	449 char error_message[ERROR_BUF_LEN];
adamc@117	450 };
adamc@117	451
adamc@1113	452 size_t uw_headers_max = SIZE_MAX;
adamc@1113	453 size_t uw_page_max = SIZE_MAX;
adamc@1113	454 size_t uw_heap_max = SIZE_MAX;
adamc@1113	455 size_t uw_script_max = SIZE_MAX;
adamc@1113	456
adam@1334	457 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311	458 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	459
adamc@1094	460 ctx->app = NULL;
adamc@1094	461
adamc@854	462 ctx->get_header = NULL;
adamc@854	463 ctx->get_header_data = NULL;
adamc@457	464
adam@1369	465 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369	466 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065	467 ctx->returning_indirectly = 0;
adam@1369	468 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369	469 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667	470 ctx->script.start[0] = 0;
adamc@136	471
adamc@1094	472 ctx->inputs = malloc(0);
adamc@759	473 ctx->cur_container = NULL;
adamc@756	474 ctx->subinputs = malloc(0);
adamc@1094	475 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	476
adamc@272	477 ctx->db = NULL;
adamc@272	478
adamc@323	479 ctx->regions = NULL;
adamc@323	480
adamc@425	481 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	482
adamc@643	483 ctx->script_header = "";
adamc@693	484 ctx->needs_push = 0;
adamc@736	485 ctx->needs_sig = 0;
adamc@1104	486
adamc@565	487 ctx->source_count = 0;
adamc@562	488
adamc@682	489 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	490 ctx->deltas = malloc(0);
adamc@671	491
adamc@700	492 ctx->client = NULL;
adamc@700	493
adamc@700	494 ctx->error_message[0] = 0;
adamc@700	495
adamc@771	496 ctx->transactionals = malloc(0);
adamc@771	497 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	498
adamc@1061	499 ctx->globals = malloc(0);
adamc@1061	500 ctx->n_globals = 0;
adamc@1061	501
adamc@1066	502 ctx->current_url = "";
adamc@1066	503
adamc@1114	504 ctx->deadline = INT_MAX;
adamc@1114	505
adamc@1121	506 ctx->client_data = uw_init_client_data();
adamc@1121	507
adam@1334	508 ctx->logger_data = logger_data;
adam@1334	509 ctx->log_debug = log_debug;
adam@1334	510
adam@1386	511 ctx->isPost = ctx->hasPostBody = 0;
adam@1347	512
adam@1370	513 ctx->queryString = NULL;
adam@1370	514
adamc@117	515 return ctx;
adamc@106	516 }
adamc@106	517
adamc@1113	518 size_t uw_inputs_max = SIZE_MAX;
adamc@1113	519
adamc@1121	520 uw_app *uw_get_app(uw_context ctx) {
adamc@1121	521 return ctx->app;
adamc@1121	522 }
adamc@1121	523
adamc@1113	524 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094	525 ctx->app = app;
adamc@1094	526
adamc@1105	527 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113	528 if (app->inputs_len > uw_inputs_max)
adamc@1113	529 return 1;
adamc@1113	530
adamc@1094	531 ctx->sz_inputs = app->inputs_len;
adamc@1094	532 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094	533 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094	534 }
adamc@1134	535
adamc@1134	536 return 0;
adamc@1094	537 }
adamc@1094	538
adamc@1121	539 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121	540 uw_copy_client_data(ctx->client_data, data);
adamc@1121	541 }
adamc@1121	542
adamc@311	543 void uw_set_db(uw_context ctx, void *db) {
adamc@272	544 ctx->db = db;
adamc@272	545 }
adamc@272	546
adamc@311	547 void *uw_get_db(uw_context ctx) {
adamc@272	548 return ctx->db;
adamc@272	549 }
adamc@272	550
adamc@311	551 void uw_free(uw_context ctx) {
adamc@671	552 size_t i;
adamc@671	553
adam@1369	554 uw_buffer_free(&ctx->outHeaders);
adam@1369	555 uw_buffer_free(&ctx->script);
adam@1369	556 uw_buffer_free(&ctx->page);
adam@1369	557 uw_buffer_free(&ctx->heap);
adamc@144	558 free(ctx->inputs);
adamc@756	559 free(ctx->subinputs);
adamc@425	560 free(ctx->cleanup);
adamc@771	561 free(ctx->transactionals);
adamc@1121	562 uw_free_client_data(ctx->client_data);
adamc@671	563
adamc@682	564 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369	565 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330	566 free(ctx->deltas);
adamc@671	567
adamc@1061	568 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089	569 if (ctx->globals[i].free)
adamc@1089	570 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330	571 free(ctx->globals);
adamc@1061	572
adamc@136	573 free(ctx);
adamc@136	574 }
adamc@136	575
adamc@562	576 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369	577 uw_buffer_reset(&ctx->outHeaders);
adam@1369	578 uw_buffer_reset(&ctx->script);
adamc@667	579 ctx->script.start[0] = 0;
adam@1369	580 uw_buffer_reset(&ctx->page);
adamc@1065	581 ctx->returning_indirectly = 0;
adam@1369	582 uw_buffer_reset(&ctx->heap);
adamc@323	583 ctx->regions = NULL;
adamc@425	584 ctx->cleanup_front = ctx->cleanup;
adamc@565	585 ctx->source_count = 0;
adamc@682	586 ctx->used_deltas = 0;
adamc@682	587 ctx->client = NULL;
adamc@759	588 ctx->cur_container = NULL;
adamc@771	589 ctx->used_transactionals = 0;
adamc@1117	590 ctx->script_header = "";
adam@1386	591 ctx->isPost = ctx->hasPostBody = 0;
adam@1370	592 ctx->queryString = NULL;
adamc@167	593 }
adamc@167	594
adamc@562	595 void uw_reset_keep_request(uw_context ctx) {
adamc@562	596 uw_reset_keep_error_message(ctx);
adamc@562	597 ctx->error_message[0] = 0;
adamc@167	598 }
adamc@167	599
adamc@311	600 void uw_reset(uw_context ctx) {
adamc@311	601 uw_reset_keep_request(ctx);
adamc@1105	602 if (ctx->app)
adamc@1105	603 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756	604 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756	605 ctx->used_subinputs = 0;
adamc@144	606 }
adamc@144	607
adamc@311	608 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	609 int r = setjmp(ctx->jmp_buf);
adamc@272	610
adamc@1105	611 if (r == 0 && ctx->app)
adamc@1094	612 ctx->app->db_init(ctx);
adamc@272	613
adamc@272	614 return r;
adamc@272	615 }
adamc@272	616
adamc@1118	617 void uw_close(uw_context ctx) {
adamc@1118	618 ctx->app->db_close(ctx);
adamc@1118	619 }
adamc@1118	620
adamc@854	621 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	622 ctx->get_header = get_header;
adamc@854	623 ctx->get_header_data = get_header_data;
adamc@742	624 }
adamc@742	625
adamc@801	626 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	627 va_list ap;
adamc@801	628 va_start(ap, fmt);
adamc@801	629
adamc@801	630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	631 }
adamc@801	632
adamc@1131	633 int uw_has_error(uw_context ctx) {
adamc@1131	634 return ctx->error_message[0] != 0;
adamc@1131	635 }
adamc@1131	636
adamc@311	637 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	638 cleanup *cl;
adamc@425	639
adamc@167	640 va_list ap;
adamc@167	641 va_start(ap, fmt);
adamc@167	642
adamc@167	643 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	644
adamc@425	645 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	646 cl->func(cl->arg);
adamc@425	647
adamc@425	648 ctx->cleanup_front = ctx->cleanup;
adamc@425	649
adamc@190	650 longjmp(ctx->jmp_buf, fk);
adamc@167	651 }
adamc@167	652
adamc@1113	653 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113	654
adamc@425	655 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	656 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	657 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	658 if (len == 0)
adamc@425	659 newLen = 1;
adamc@425	660 else
adamc@428	661 newLen = len * 2;
adamc@1113	662
adamc@1134	663 if (newLen > uw_cleanup_max) {
adamc@1113	664 if (len+1 <= uw_cleanup_max)
adamc@1113	665 newLen = uw_cleanup_max;
adamc@1113	666 else
adamc@1113	667 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134	668 }
adamc@1113	669
adamc@470	670 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	671 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	672 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	673 }
adamc@425	674
adamc@425	675 ctx->cleanup_front->func = func;
adamc@425	676 ctx->cleanup_front->arg = arg;
adamc@425	677 ++ctx->cleanup_front;
adamc@425	678 }
adamc@425	679
adamc@682	680 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854	681 return ctx->get_header(ctx->get_header_data, h);
adamc@682	682 }
adamc@682	683
adamc@682	684 void uw_login(uw_context ctx) {
adamc@693	685 if (ctx->needs_push) {
adamc@682	686 char id_s, pass_s;
adamc@682	687
adamc@682	688 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682	689 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682	690 unsigned id = atoi(id_s);
adamc@682	691 int pass = atoi(pass_s);
adamc@682	692 client *c = find_client(id);
adamc@682	693
adamc@682	694 if (c == NULL)
adamc@682	695 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682	696 else {
adamc@685	697 use_client(c);
adamc@682	698 ctx->client = c;
adamc@682	699
adamc@682	700 if (c->mode != USED)
adamc@682	701 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682	702 if (c->pass != pass)
adamc@682	703 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682	704 }
adamc@682	705 } else {
adamc@682	706 client *c = new_client();
adamc@1113	707
adamc@1113	708 if (c == NULL)
adamc@1113	709 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113	710
adamc@685	711 use_client(c);
adamc@1121	712 uw_copy_client_data(c->data, ctx->client_data);
adamc@682	713 ctx->client = c;
adamc@864	714 }
adamc@682	715 }
adamc@682	716 }
adamc@682	717
adamc@671	718 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	719 int r = setjmp(ctx->jmp_buf);
adamc@671	720
adamc@671	721 if (r == 0) {
adamc@1094	722 if (ctx->app->db_begin(ctx))
adamc@671	723 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682	724
adamc@1094	725 ctx->app->handle(ctx, path);
adamc@671	726 }
adamc@671	727
adamc@671	728 return r;
adamc@671	729 }
adamc@671	730
adam@1294	731 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294	732 int r = setjmp(ctx->jmp_buf);
adam@1294	733
adam@1294	734 if (ctx->app->on_error) {
adam@1294	735 if (r == 0) {
adam@1294	736 if (ctx->app->db_begin(ctx))
adam@1294	737 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294	738
adam@1294	739 ctx->app->on_error(ctx, msg);
adam@1294	740 }
adam@1294	741
adam@1294	742 return r;
adam@1294	743 } else
adam@1294	744 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294	745 }
adam@1294	746
adamc@772	747 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	748 if (ctx->client == NULL)
adamc@682	749 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	750
adamc@682	751 return ctx->client->id;
adamc@682	752 }
adamc@682	753
adamc@425	754 void uw_pop_cleanup(uw_context ctx) {
adamc@425	755 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	756 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	757
adamc@425	758 --ctx->cleanup_front;
adamc@425	759 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	760 }
adamc@425	761
adamc@311	762 char *uw_error_message(uw_context ctx) {
adamc@167	763 return ctx->error_message;
adamc@167	764 }
adamc@167	765
adamc@1115	766 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115	767 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115	768 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115	769 }
adamc@1115	770
adamc@759	771 static input *INP(uw_context ctx) {
adamc@759	772 if (ctx->cur_container == NULL)
adamc@759	773 return ctx->inputs;
adamc@759	774 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	775 return ctx->cur_container->data.subform.fields;
adamc@759	776 else if (ctx->cur_container->kind == ENTRY)
adamc@759	777 return ctx->cur_container->data.entry.fields;
adamc@759	778 else
adamc@760	779 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	780 }
adamc@759	781
adamc@760	782 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	783 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	784 *ptr += new_start - old_start;
adamc@760	785 }
adamc@760	786
adamc@760	787 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	788 switch (x->kind) {
adamc@759	789 case SUBFORM:
adamc@760	790 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	791 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	792 break;
adamc@759	793 case SUBFORMS:
adamc@760	794 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	795 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	796 break;
adamc@759	797 case ENTRY:
adamc@760	798 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	799 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	800 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134	801 break;
adamc@1134	802 default:
adamc@1134	803 break;
adamc@759	804 }
adamc@759	805 }
adamc@759	806
adamc@1113	807 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113	808
adamc@759	809 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	810 size_t i;
adamc@759	811 input *r;
adamc@759	812
adamc@759	813 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113	814 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113	815 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113	816
adamc@759	817 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	818
adamc@760	819 if (ctx->subinputs != new_subinputs) {
adamc@760	820 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	821 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094	822 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760	823 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	824
adamc@760	825 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	826
adamc@760	827 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	828 ctx->subinputs = new_subinputs;
adamc@760	829 }
adamc@759	830 }
adamc@759	831
adamc@759	832 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	833
adamc@759	834 for (i = 0; i < len; ++i)
adamc@759	835 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759	836
adamc@759	837 return r;
adamc@759	838 }
adamc@756	839
adamc@801	840 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1050	841 //printf("Input name %s\n", name);
adamc@1038	842
adamc@756	843 if (!strcasecmp(name, ".b")) {
adamc@1094	844 int n = ctx->app->input_num(value);
adamc@756	845 input *inps;
adamc@756	846
adamc@801	847 if (n < 0) {
adamc@801	848 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801	849 return -1;
adamc@801	850 }
adamc@801	851
adamc@1094	852 if (n >= ctx->app->inputs_len) {
adamc@801	853 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801	854 return -1;
adamc@801	855 }
adamc@756	856
adamc@1094	857 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759	858
adamc@759	859 INP(ctx)[n].kind = SUBFORM;
adamc@759	860 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	861 INP(ctx)[n].data.subform.fields = inps;
adamc@759	862 ctx->cur_container = &INP(ctx)[n];
adamc@756	863 } else if (!strcasecmp(name, ".e")) {
adamc@756	864 input *tmp;
adamc@756	865
adamc@801	866 if (ctx->cur_container == NULL) {
adamc@801	867 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	868 return -1;
adamc@801	869 }
adamc@756	870
adamc@759	871 tmp = ctx->cur_container;
adamc@759	872 switch (tmp->kind) {
adamc@759	873 case SUBFORM:
adamc@759	874 ctx->cur_container = tmp->data.subform.parent;
adamc@759	875 tmp->data.subform.parent = NULL;
adamc@759	876 break;
adamc@759	877 case SUBFORMS:
adamc@759	878 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	879 tmp->data.subforms.parent = NULL;
adamc@759	880 break;
adamc@759	881 case ENTRY:
adamc@759	882 ctx->cur_container = tmp->data.entry.parent;
adamc@759	883 break;
adamc@759	884 default:
adamc@801	885 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	886 return -1;
adamc@759	887 }
adamc@759	888 } else if (!strcasecmp(name, ".s")) {
adamc@1094	889 int n = ctx->app->input_num(value);
adamc@759	890
adamc@801	891 if (n < 0) {
adamc@801	892 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801	893 return -1;
adamc@801	894 }
adamc@801	895
adamc@1094	896 if (n >= ctx->app->inputs_len) {
adamc@801	897 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801	898 return -1;
adamc@801	899 }
adamc@759	900
adamc@759	901 INP(ctx)[n].kind = SUBFORMS;
adamc@759	902 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	903 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	904 ctx->cur_container = &INP(ctx)[n];
adamc@759	905 } else if (!strcasecmp(name, ".i")) {
adamc@759	906 input *inps;
adamc@759	907
adamc@801	908 if (!ctx->cur_container) {
adamc@801	909 uw_set_error(ctx, "New entry without container");
adamc@801	910 return -1;
adamc@801	911 }
adamc@801	912
adamc@801	913 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	914 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	915 return -1;
adamc@801	916 }
adamc@759	917
adamc@1094	918 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759	919
adamc@759	920 inps->kind = ENTRY;
adamc@759	921 inps->data.entry.parent = ctx->cur_container;
adamc@759	922 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	923 ctx->cur_container->data.subforms.entries = inps;
adamc@759	924
adamc@759	925 inps->data.entry.fields = inps+1;
adamc@759	926 ctx->cur_container = inps;
adamc@756	927 } else {
adamc@1094	928 int n = ctx->app->input_num(name);
adamc@756	929
adam@1384	930 if (n < 0)
adam@1384	931 return 0;
adamc@801	932
adamc@1094	933 if (n >= ctx->app->inputs_len) {
adamc@801	934 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801	935 return -1;
adamc@801	936 }
adamc@756	937
adamc@756	938 INP(ctx)[n].kind = NORMAL;
adamc@756	939 INP(ctx)[n].data.normal = value;
adamc@756	940 }
adamc@801	941
adamc@801	942 return 0;
adamc@144	943 }
adamc@144	944
adamc@311	945 char *uw_get_input(uw_context ctx, int n) {
adamc@169	946 if (n < 0)
adamc@311	947 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	948 if (n >= ctx->app->inputs_len)
adamc@311	949 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	950
adamc@756	951 switch (INP(ctx)[n].kind) {
adamc@737	952 case UNSET:
adamc@737	953 return NULL;
adamc@739	954 case FIL:
adamc@739	955 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	956 case SUBFORM:
adamc@756	957 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	958 case SUBFORMS:
adamc@759	959 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	960 case ENTRY:
adamc@759	961 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	962 case NORMAL:
adamc@756	963 return INP(ctx)[n].data.normal;
adamc@737	964 default:
adamc@737	965 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	966 }
adamc@138	967 }
adamc@138	968
adamc@311	969 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	970 if (n < 0)
adamc@311	971 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	972 if (n >= ctx->app->inputs_len)
adamc@311	973 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	974
adamc@756	975 switch (INP(ctx)[n].kind) {
adamc@737	976 case UNSET:
adamc@737	977 return "";
adamc@739	978 case FIL:
adamc@739	979 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	980 case SUBFORM:
adamc@756	981 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	982 case SUBFORMS:
adamc@759	983 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	984 case ENTRY:
adamc@759	985 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	986 case NORMAL:
adamc@756	987 return INP(ctx)[n].data.normal;
adamc@737	988 default:
adamc@737	989 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	990 }
adamc@737	991 }
adamc@737	992
adamc@801	993 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094	994 int n = ctx->app->input_num(name);
adamc@737	995
adamc@801	996 if (n < 0) {
adamc@801	997 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801	998 return -1;
adamc@801	999 }
adamc@801	1000
adamc@1094	1001 if (n >= ctx->app->inputs_len) {
adamc@801	1002 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801	1003 return -1;
adamc@801	1004 }
adamc@737	1005
adamc@739	1006 ctx->inputs[n].kind = FIL;
adamc@739	1007 ctx->inputs[n].data.file = f;
adamc@801	1008
adamc@801	1009 return 0;
adamc@737	1010 }
adamc@737	1011
adamc@739	1012 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	1013
adamc@739	1014 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	1015 if (n < 0)
adamc@737	1016 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094	1017 if (n >= ctx->app->inputs_len)
adamc@737	1018 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	1019
adamc@756	1020 switch (INP(ctx)[n].kind) {
adamc@737	1021 case UNSET:
adamc@737	1022 {
adamc@739	1023 char *data = uw_malloc(ctx, 0);
adamc@740	1024 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	1025 return f;
adamc@737	1026 }
adamc@739	1027 case FIL:
adamc@756	1028 return INP(ctx)[n].data.file;
adamc@737	1029 case NORMAL:
adamc@737	1030 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	1031 case SUBFORM:
adamc@756	1032 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	1033 case SUBFORMS:
adamc@759	1034 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	1035 case ENTRY:
adamc@759	1036 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	1037 default:
adamc@737	1038 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1039 }
adamc@190	1040 }
adamc@190	1041
adamc@756	1042 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	1043 if (n < 0)
adamc@756	1044 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094	1045 if (n >= ctx->app->inputs_len)
adamc@756	1046 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	1047
adamc@756	1048 switch (INP(ctx)[n].kind) {
adamc@756	1049 case UNSET:
adamc@756	1050 uw_error(ctx, FATAL, "Missing subform");
adamc@756	1051 case FIL:
adamc@756	1052 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	1053 case NORMAL:
adamc@756	1054 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	1055 case SUBFORMS:
adamc@759	1056 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	1057 case ENTRY:
adamc@759	1058 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	1059 case SUBFORM:
adamc@759	1060 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	1061 ctx->cur_container = &INP(ctx)[n];
adamc@756	1062 return;
adamc@756	1063 default:
adamc@756	1064 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	1065 }
adamc@756	1066 }
adamc@756	1067
adamc@756	1068 void uw_leave_subform(uw_context ctx) {
adamc@756	1069 input *tmp;
adamc@756	1070
adamc@759	1071 if (ctx->cur_container == NULL)
adamc@756	1072 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	1073
adamc@759	1074 tmp = ctx->cur_container;
adamc@759	1075 ctx->cur_container = tmp->data.subform.parent;
adamc@759	1076 tmp->data.subform.parent = NULL;
adamc@759	1077 }
adamc@759	1078
adamc@759	1079 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	1080 input *inps;
adamc@759	1081
adamc@759	1082 if (n < 0)
adamc@759	1083 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094	1084 if (n >= ctx->app->inputs_len)
adamc@759	1085 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	1086
adamc@759	1087 switch (INP(ctx)[n].kind) {
adamc@759	1088 case UNSET:
adamc@759	1089 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	1090 case FIL:
adamc@759	1091 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	1092 case NORMAL:
adamc@759	1093 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	1094 case SUBFORM:
adamc@759	1095 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	1096 case ENTRY:
adamc@759	1097 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	1098 case SUBFORMS:
adamc@759	1099 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	1100 if (inps) {
adamc@759	1101 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	1102 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	1103 return 1;
adamc@759	1104 } else
adamc@759	1105 return 0;
adamc@759	1106 default:
adamc@759	1107 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1108 }
adamc@759	1109 }
adamc@759	1110
adamc@759	1111 int uw_next_entry(uw_context ctx) {
adamc@759	1112 if (ctx->cur_container == NULL)
adamc@759	1113 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	1114
adamc@759	1115 switch (ctx->cur_container->kind) {
adamc@759	1116 case UNSET:
adamc@759	1117 uw_error(ctx, FATAL, "Missing entry");
adamc@759	1118 case FIL:
adamc@759	1119 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	1120 case NORMAL:
adamc@759	1121 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	1122 case SUBFORM:
adamc@759	1123 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	1124 case SUBFORMS:
adamc@759	1125 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	1126 case ENTRY:
adamc@759	1127 if (ctx->cur_container->data.entry.next) {
adamc@759	1128 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	1129 return 1;
adamc@759	1130 } else {
adamc@759	1131 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	1132 return 0;
adamc@759	1133 }
adamc@759	1134 default:
adamc@759	1135 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1136 }
adamc@756	1137 }
adamc@756	1138
adamc@643	1139 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1140 ctx->script_header = s;
adamc@643	1141 }
adamc@643	1142
adamc@1094	1143 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094	1144 return ctx->app->url_prefix;
adamc@667	1145 }
adamc@667	1146
adamc@693	1147 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1148 ctx->needs_push = n;
adamc@693	1149 }
adamc@693	1150
adamc@736	1151 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1152 ctx->needs_sig = n;
adamc@736	1153 }
adamc@736	1154
adamc@667	1155
adam@1369	1156 static void uw_buffer_check_ctx(uw_context ctx, const char kind, uw_buffer b, size_t extra, const char *desc) {
adamc@666	1157 if (b->back - b->front < extra) {
adamc@666	1158 size_t desired = b->front - b->start + extra, next;
adamc@136	1159 char *new_heap;
adamc@136	1160
adamc@666	1161 next = b->back - b->start;
adamc@317	1162 if (next == 0)
adamc@317	1163 next = 1;
adamc@317	1164 for (; next < desired; next *= 2);
adamc@136	1165
adamc@1134	1166 if (next > b->max) {
adamc@1113	1167 if (desired <= b->max)
adamc@1113	1168 next = desired;
adamc@1113	1169 else
adamc@1113	1170 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134	1171 }
adamc@1113	1172
adamc@666	1173 new_heap = realloc(b->start, next);
adamc@666	1174 b->front = new_heap + (b->front - b->start);
adamc@666	1175 b->back = new_heap + next;
adamc@136	1176
adamc@667	1177 if (new_heap != b->start) {
adamc@666	1178 b->start = new_heap;
adamc@666	1179 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136	1180 }
adamc@136	1181
adamc@666	1182 b->start = new_heap;
adamc@136	1183 }
adamc@136	1184 }
adamc@136	1185
adamc@832	1186 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369	1187 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666	1188 }
adamc@666	1189
adamc@832	1190 char *uw_heap_front(uw_context ctx) {
adamc@832	1191 return ctx->heap.front;
adamc@832	1192 }
adamc@832	1193
adamc@832	1194 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1195 ctx->heap.front = fr;
adamc@832	1196 }
adamc@832	1197
adamc@311	1198 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136	1199 void *result;
adamc@136	1200
adamc@311	1201 uw_check_heap(ctx, len);
adamc@136	1202
adamc@666	1203 result = ctx->heap.front;
adamc@666	1204 ctx->heap.front += len;
adamc@136	1205 return result;
adamc@117	1206 }
adamc@117	1207
adamc@323	1208 void uw_begin_region(uw_context ctx) {
adamc@666	1209 regions r = (regions ) ctx->heap.front;
adamc@323	1210
adamc@323	1211 uw_check_heap(ctx, sizeof(regions));
adamc@323	1212
adamc@666	1213 ctx->heap.front += sizeof(regions);
adamc@323	1214
adamc@323	1215 r->next = ctx->regions;
adamc@323	1216 ctx->regions = r;
adamc@323	1217 }
adamc@323	1218
adamc@323	1219 void uw_end_region(uw_context ctx) {
adamc@323	1220 regions *r = ctx->regions;
adamc@323	1221
adamc@323	1222 if (r == NULL)
adamc@323	1223 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1224
adamc@666	1225 ctx->heap.front = (char *) r;
adamc@323	1226 ctx->regions = r->next;
adamc@323	1227 }
adamc@323	1228
adamc@324	1229 void uw_memstats(uw_context ctx) {
adam@1369	1230 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369	1231 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369	1232 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369	1233 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324	1234 }
adamc@324	1235
adamc@311	1236 int uw_send(uw_context ctx, int sock) {
adamc@666	1237 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462	1238
adamc@462	1239 if (n < 0)
adamc@462	1240 return n;
adamc@462	1241
adamc@462	1242 n = uw_really_send(sock, "\r\n", 2);
adamc@462	1243
adamc@462	1244 if (n < 0)
adamc@462	1245 return n;
adamc@462	1246
adamc@666	1247 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462	1248 }
adamc@462	1249
adamc@856	1250 int uw_print(uw_context ctx, int fd) {
adamc@856	1251 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1252
adamc@856	1253 if (n < 0)
adamc@856	1254 return n;
adamc@856	1255
adamc@856	1256 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1257
adamc@856	1258 if (n < 0)
adamc@856	1259 return n;
adamc@856	1260
adamc@856	1261 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1262 }
adamc@856	1263
adamc@860	1264 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1265 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1266
adamc@860	1267 if (n < 0)
adamc@860	1268 return n;
adamc@860	1269
adamc@860	1270 n = output(data, "\r\n", 2);
adamc@860	1271
adamc@860	1272 if (n < 0)
adamc@860	1273 return n;
adamc@860	1274
adamc@860	1275 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1276 }
adamc@860	1277
adamc@462	1278 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369	1279 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462	1280 }
adamc@462	1281
adamc@462	1282 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1283 int len = strlen(s);
adamc@462	1284
adamc@462	1285 uw_check_headers(ctx, len + 1);
adamc@666	1286 strcpy(ctx->outHeaders.front, s);
adamc@666	1287 ctx->outHeaders.front += len;
adamc@562	1288 }
adamc@562	1289
adamc@1110	1290 void uw_clear_headers(uw_context ctx) {
adam@1369	1291 uw_buffer_reset(&ctx->outHeaders);
adamc@1110	1292 }
adamc@1110	1293
adamc@562	1294 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369	1295 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562	1296 }
adamc@562	1297
adamc@562	1298 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1299 int len = strlen(s);
adamc@562	1300
adamc@562	1301 uw_check_script(ctx, len + 1);
adamc@666	1302 strcpy(ctx->script.front, s);
adamc@666	1303 ctx->script.front += len;
adamc@562	1304 }
adamc@562	1305
adamc@645	1306 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916	1307 return "<sc>";
adamc@565	1308 }
adamc@565	1309
adamc@695	1310 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1311 if (s[0] == 0)
adamc@695	1312 return "";
adamc@695	1313 else {
adamc@695	1314 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1315 sprintf(r, " onload='%s'", s);
adamc@695	1316 return r;
adamc@695	1317 }
adamc@695	1318 }
adamc@695	1319
adamc@1042	1320 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042	1321 if (ctx->script_header[0] == 0)
adamc@1042	1322 return "";
adamc@1042	1323 else {
adamc@1042	1324 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042	1325 sprintf(r, " onunload='unload();%s'", s);
adamc@1042	1326 return r;
adamc@1042	1327 }
adamc@1042	1328 }
adamc@1042	1329
adamc@694	1330 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1331 if (ctx->client == NULL) {
adamc@736	1332 if (ctx->needs_sig) {
adamc@1094	1333 char *sig = ctx->app->cookie_sig(ctx);
adamc@736	1334 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1335 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1336 return r;
adamc@736	1337 }
adamc@736	1338 else
adamc@736	1339 return "";
adamc@736	1340 } else {
adamc@1094	1341 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094	1342 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736	1343 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736	1344 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682	1345 ctx->client->id,
adamc@682	1346 ctx->client->pass,
adamc@1094	1347 ctx->app->url_prefix,
adamc@1094	1348 ctx->app->timeout,
adamc@736	1349 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1350 sig,
adamc@736	1351 ctx->needs_sig ? "\";" : "");
adamc@679	1352 return r;
adamc@668	1353 }
adamc@667	1354 }
adamc@667	1355
adamc@574	1356 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1357 char r, s2;
adamc@574	1358
adamc@574	1359 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574	1360
adamc@666	1361 r = s2 = ctx->heap.front;
adamc@574	1362 *s2++ = '"';
adamc@574	1363
adamc@574	1364 for (; *s; s++) {
adam@1286	1365 unsigned char c = *s;
adamc@574	1366
adamc@574	1367 switch (c) {
adamc@574	1368 case '"':
adamc@574	1369 strcpy(s2, "\\\"");
adamc@574	1370 s2 += 2;
adamc@574	1371 break;
adamc@1027	1372 case '\'':
adamc@1027	1373 strcpy(s2, "\\047");
adamc@1027	1374 s2 += 4;
adamc@1027	1375 break;
adamc@574	1376 case '\\':
adamc@574	1377 strcpy(s2, "\\\\");
adamc@574	1378 s2 += 2;
adamc@574	1379 break;
adamc@574	1380 default:
adam@1286	1381 if (isprint((int)c) \|\| c >= 128)
adamc@574	1382 *s2++ = c;
adamc@574	1383 else {
adamc@574	1384 sprintf(s2, "\\%3o", c);
adamc@574	1385 s2 += 4;
adamc@574	1386 }
adamc@574	1387 }
adamc@574	1388 }
adamc@574	1389
adamc@574	1390 strcpy(s2, "\"");
adamc@910	1391 ctx->heap.front = s2 + 2;
adamc@574	1392 return r;
adamc@574	1393 }
adamc@574	1394
adam@1286	1395 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286	1396 unsigned char c = c1;
adamc@1025	1397 char r, s2;
adamc@1025	1398
adamc@1025	1399 uw_check_heap(ctx, 6);
adamc@1025	1400
adamc@1025	1401 r = s2 = ctx->heap.front;
adamc@1025	1402 *s2++ = '"';
adamc@1025	1403
adamc@1025	1404 switch (c) {
adamc@1025	1405 case '"':
adamc@1025	1406 strcpy(s2, "\\\"");
adamc@1025	1407 s2 += 2;
adamc@1025	1408 break;
adamc@1027	1409 case '\'':
adamc@1027	1410 strcpy(s2, "\\047");
adamc@1027	1411 s2 += 4;
adamc@1027	1412 break;
adamc@1025	1413 case '\\':
adamc@1025	1414 strcpy(s2, "\\\\");
adamc@1025	1415 s2 += 2;
adamc@1025	1416 break;
adamc@1025	1417 default:
adam@1286	1418 if (isprint((int)c) \|\| c >= 128)
adamc@1025	1419 *s2++ = c;
adamc@1025	1420 else {
adam@1286	1421 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025	1422 s2 += 4;
adamc@1025	1423 }
adamc@1025	1424 }
adamc@1025	1425
adamc@1025	1426 strcpy(s2, "\"");
adamc@1025	1427 ctx->heap.front = s2 + 2;
adamc@1025	1428 return r;
adamc@1025	1429 }
adamc@1025	1430
adamc@574	1431 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1432 char r, s2;
adamc@574	1433
adamc@574	1434 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574	1435
adamc@666	1436 r = s2 = ctx->script.front;
adamc@574	1437 *s2++ = '"';
adamc@574	1438
adamc@574	1439 for (; *s; s++) {
adam@1286	1440 unsigned char c = *s;
adamc@574	1441
adamc@574	1442 switch (c) {
adamc@577	1443 case '\'':
adamc@1027	1444 strcpy(s2, "\\");
adamc@574	1445 s2 += 2;
adamc@574	1446 break;
adamc@574	1447 case '\\':
adamc@574	1448 strcpy(s2, "\\\\");
adamc@574	1449 s2 += 2;
adamc@574	1450 break;
adamc@574	1451 default:
adam@1286	1452 if (isprint((int)c) \|\| c >= 128)
adamc@574	1453 *s2++ = c;
adamc@574	1454 else {
adamc@574	1455 sprintf(s2, "\\%3o", c);
adamc@574	1456 s2 += 4;
adamc@574	1457 }
adamc@574	1458 }
adamc@574	1459 }
adamc@574	1460
adamc@574	1461 strcpy(s2, "\"");
adamc@666	1462 ctx->script.front = s2 + 1;
adamc@574	1463 return r;
adamc@574	1464 }
adamc@574	1465
adamc@682	1466 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1467 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1468 return "null";
adamc@682	1469 else {
adamc@682	1470 int len;
adamc@682	1471 char *r;
adamc@682	1472
adamc@682	1473 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1474 r = ctx->heap.front;
adamc@682	1475 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1476 ctx->heap.front += len+1;
adamc@682	1477 return r;
adamc@682	1478 }
adamc@682	1479 }
adamc@682	1480
adamc@577	1481 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1482 int len;
adamc@577	1483 size_t s_len = strlen(s);
adamc@562	1484
adamc@970	1485 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970	1486 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666	1487 ctx->script.front += len;
adamc@666	1488 strcpy(ctx->script.front, s);
adamc@666	1489 ctx->script.front += s_len;
adamc@970	1490 strcpy(ctx->script.front, "));");
adamc@972	1491 ctx->script.front += 3;
adamc@562	1492
adamc@565	1493 return ctx->source_count++;
adamc@117	1494 }
adamc@117	1495
adamc@577	1496 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577	1497 int len;
adamc@577	1498 size_t s_len = strlen(s);
adamc@577	1499
adamc@970	1500 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970	1501 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666	1502 ctx->script.front += len;
adamc@666	1503 strcpy(ctx->script.front, s);
adamc@666	1504 ctx->script.front += s_len;
adamc@970	1505 strcpy(ctx->script.front, "));");
adamc@972	1506 ctx->script.front += 3;
adamc@577	1507
adamc@577	1508 return uw_unit_v;
adamc@577	1509 }
adamc@577	1510
adamc@311	1511 static void uw_check(uw_context ctx, size_t extra) {
adam@1369	1512 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117	1513 }
adamc@117	1514
adamc@311	1515 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1516 *(ctx->page.front)++ = c;
adamc@117	1517 }
adamc@117	1518
adamc@311	1519 void uw_writec(uw_context ctx, char c) {
adamc@311	1520 uw_check(ctx, 1);
adamc@311	1521 uw_writec_unsafe(ctx, c);
adamc@117	1522 }
adamc@117	1523
adamc@311	1524 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1525 int len = strlen(s);
adamc@666	1526 memcpy(ctx->page.front, s, len);
adamc@666	1527 ctx->page.front += len;
adamc@117	1528 }
adamc@117	1529
adamc@311	1530 void uw_write(uw_context ctx, const char* s) {
adamc@311	1531 uw_check(ctx, strlen(s) + 1);
adamc@311	1532 uw_write_unsafe(ctx, s);
adamc@666	1533 *ctx->page.front = 0;
adamc@102	1534 }
adamc@106	1535
adamc@311	1536 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1537 char *result;
adamc@136	1538 int len;
adamc@311	1539 uw_check_heap(ctx, INTS_MAX);
adamc@666	1540 result = ctx->heap.front;
adamc@276	1541 sprintf(result, "%lld%n", n, &len);
adamc@666	1542 ctx->heap.front += len+1;
adamc@136	1543 return result;
adamc@106	1544 }
adamc@106	1545
adamc@311	1546 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1547 char *result;
adamc@136	1548 int len;
adamc@311	1549 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1550 result = ctx->heap.front;
adamc@136	1551 sprintf(result, "%g%n", n, &len);
adamc@666	1552 ctx->heap.front += len+1;
adamc@136	1553 return result;
adamc@106	1554 }
adamc@106	1555
adamc@311	1556 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1557 int len = strlen(s);
adamc@136	1558 char result, p;
adamc@311	1559 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1560
adamc@666	1561 result = p = ctx->heap.front;
adamc@136	1562
adamc@136	1563 for (; *s; s++) {
adamc@1054	1564 unsigned char c = *s;
adamc@136	1565
adamc@136	1566 if (c == '"') {
adamc@136	1567 strcpy(p, """);
adamc@136	1568 p += 6;
adamc@136	1569 } else if (c == '&') {
adamc@136	1570 strcpy(p, "&");
adamc@136	1571 p += 5;
adamc@136	1572 }
adamc@1059	1573 else
adamc@136	1574 *p++ = c;
adamc@136	1575 }
adamc@136	1576
adamc@137	1577 *p++ = 0;
adamc@666	1578 ctx->heap.front = p;
adamc@136	1579 return result;
adamc@106	1580 }
adamc@106	1581
adamc@1011	1582 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1583 char result, p;
adamc@1011	1584 uw_check_heap(ctx, 7);
adamc@1011	1585
adamc@1011	1586 result = p = ctx->heap.front;
adamc@1011	1587
adamc@1011	1588 if (c == '"') {
adamc@1011	1589 strcpy(p, """);
adamc@1011	1590 p += 6;
adamc@1011	1591 } else if (c == '&') {
adamc@1011	1592 strcpy(p, "&");
adamc@1011	1593 p += 5;
adamc@1011	1594 }
adamc@1059	1595 else
adamc@1011	1596 *p++ = c;
adamc@1011	1597
adamc@1011	1598 *p++ = 0;
adamc@1011	1599 ctx->heap.front = p;
adamc@1011	1600 return result;
adamc@1011	1601 }
adamc@1011	1602
adamc@721	1603 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1604 return s;
adamc@721	1605 }
adamc@721	1606
adamc@311	1607 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1608 int len;
adamc@117	1609
adamc@666	1610 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1611 ctx->page.front += len;
adamc@106	1612 }
adamc@106	1613
adamc@428	1614 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1615 uw_check(ctx, INTS_MAX);
adamc@311	1616 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1617
adamc@428	1618 return uw_unit_v;
adamc@106	1619 }
adamc@106	1620
adamc@428	1621 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1622 int len;
adamc@117	1623
adamc@311	1624 uw_check(ctx, FLOATS_MAX);
adamc@666	1625 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1626 ctx->page.front += len;
adamc@428	1627
adamc@428	1628 return uw_unit_v;
adamc@117	1629 }
adamc@117	1630
adamc@428	1631 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1632 uw_check(ctx, strlen(s) * 6);
adamc@117	1633
adamc@106	1634 for (; *s; s++) {
adamc@1054	1635 unsigned char c = *s;
adamc@106	1636
adamc@106	1637 if (c == '"')
adamc@311	1638 uw_write_unsafe(ctx, """);
adamc@136	1639 else if (c == '&')
adamc@311	1640 uw_write_unsafe(ctx, "&");
adamc@1059	1641 else
adamc@311	1642 uw_writec_unsafe(ctx, c);
adamc@106	1643 }
adamc@428	1644
adamc@428	1645 return uw_unit_v;
adamc@106	1646 }
adamc@120	1647
adamc@1011	1648 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1649 uw_check(ctx, 6);
adamc@1011	1650
adamc@1011	1651 if (c == '"')
adamc@1011	1652 uw_write_unsafe(ctx, """);
adamc@1011	1653 else if (c == '&')
adamc@1011	1654 uw_write_unsafe(ctx, "&");
adamc@1059	1655 else
adamc@1011	1656 uw_writec_unsafe(ctx, c);
adamc@1011	1657
adamc@1011	1658 return uw_unit_v;
adamc@1011	1659 }
adamc@1011	1660
adamc@120	1661
adamc@311	1662 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1663 int len;
adamc@137	1664 char *r;
adamc@137	1665
adamc@311	1666 uw_check_heap(ctx, INTS_MAX);
adamc@666	1667 r = ctx->heap.front;
adamc@276	1668 sprintf(r, "%lld%n", n, &len);
adamc@666	1669 ctx->heap.front += len+1;
adamc@137	1670 return r;
adamc@120	1671 }
adamc@120	1672
adamc@682	1673 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1674 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1675 return "";
adamc@682	1676 else {
adamc@682	1677 int len;
adamc@682	1678 char *r;
adamc@679	1679
adamc@682	1680 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1681 r = ctx->heap.front;
adamc@682	1682 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1683 ctx->heap.front += len+1;
adamc@682	1684 return r;
adamc@682	1685 }
adamc@679	1686 }
adamc@679	1687
adamc@311	1688 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1689 int len;
adamc@137	1690 char *r;
adamc@137	1691
adamc@311	1692 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1693 r = ctx->heap.front;
adamc@137	1694 sprintf(r, "%g%n", n, &len);
adamc@666	1695 ctx->heap.front += len+1;
adamc@137	1696 return r;
adamc@120	1697 }
adamc@120	1698
adamc@311	1699 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1700 char r, p;
adamc@137	1701
adamc@925	1702 if (s[0] == '\0')
adamc@925	1703 return "_";
adamc@925	1704
adamc@925	1705 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1706
adamc@925	1707 r = p = ctx->heap.front;
adamc@925	1708 if (s[0] == '_')
adamc@925	1709 *p++ = '_';
adamc@925	1710
adamc@925	1711 for (; *s; s++) {
adamc@1087	1712 unsigned char c = *s;
adamc@137	1713
adamc@137	1714 if (c == ' ')
adamc@137	1715 *p++ = '+';
adamc@137	1716 else if (isalnum(c))
adamc@137	1717 *p++ = c;
adamc@137	1718 else {
adamc@1259	1719 sprintf(p, ".%02X", c);
adamc@137	1720 p += 3;
adamc@137	1721 }
adamc@137	1722 }
adamc@137	1723
adamc@137	1724 *p++ = 0;
adamc@666	1725 ctx->heap.front = p;
adamc@137	1726 return r;
adamc@120	1727 }
adamc@120	1728
adamc@311	1729 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1730 if (b == uw_Basis_False)
adamc@186	1731 return "0";
adamc@186	1732 else
adamc@186	1733 return "1";
adamc@186	1734 }
adamc@186	1735
adamc@311	1736 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1737 int len;
adamc@120	1738
adamc@666	1739 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1740 ctx->page.front += len;
adamc@120	1741 }
adamc@120	1742
adamc@428	1743 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1744 uw_check(ctx, INTS_MAX);
adamc@311	1745 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1746
adamc@428	1747 return uw_unit_v;
adamc@120	1748 }
adamc@120	1749
adamc@682	1750 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1751 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1752 int len;
adamc@682	1753
adamc@682	1754 uw_check(ctx, INTS_MAX + 1);
adamc@682	1755 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1756 ctx->page.front += len;
adamc@682	1757 }
adamc@682	1758
adamc@679	1759 return uw_unit_v;
adamc@679	1760 }
adamc@679	1761
adamc@428	1762 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1763 int len;
adamc@120	1764
adamc@311	1765 uw_check(ctx, FLOATS_MAX);
adamc@666	1766 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1767 ctx->page.front += len;
adamc@428	1768
adamc@428	1769 return uw_unit_v;
adamc@120	1770 }
adamc@120	1771
adamc@488	1772 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376	1773 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488	1774 }
adamc@488	1775
adamc@428	1776 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1777 if (s[0] == '\0') {
adamc@925	1778 uw_check(ctx, 1);
adamc@925	1779 uw_writec_unsafe(ctx, '_');
adamc@925	1780 return uw_unit_v;
adamc@925	1781 }
adamc@925	1782
adamc@925	1783 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1784
adamc@925	1785 if (s[0] == '_')
adamc@925	1786 uw_writec_unsafe(ctx, '_');
adamc@120	1787
adamc@120	1788 for (; *s; s++) {
adamc@1087	1789 unsigned char c = *s;
adamc@120	1790
adamc@120	1791 if (c == ' ')
adamc@311	1792 uw_writec_unsafe(ctx, '+');
adamc@120	1793 else if (isalnum(c))
adamc@311	1794 uw_writec_unsafe(ctx, c);
adamc@120	1795 else {
adamc@1259	1796 sprintf(ctx->page.front, ".%02X", c);
adamc@666	1797 ctx->page.front += 3;
adamc@120	1798 }
adamc@120	1799 }
adamc@428	1800
adamc@428	1801 return uw_unit_v;
adamc@120	1802 }
adamc@120	1803
adamc@428	1804 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1805 if (b == uw_Basis_False)
adamc@311	1806 uw_writec(ctx, '0');
adamc@186	1807 else
adamc@311	1808 uw_writec(ctx, '1');
adamc@428	1809
adamc@428	1810 return uw_unit_v;
adamc@186	1811 }
adamc@186	1812
adamc@120	1813
adamc@311	1814 static char uw_unurlify_advance(char s) {
adamc@144	1815 char *new_s = strchr(s, '/');
adamc@120	1816
adamc@120	1817 if (new_s)
adamc@120	1818 *new_s++ = 0;
adamc@120	1819 else
adamc@144	1820 new_s = strchr(s, 0);
adamc@144	1821
adamc@144	1822 return new_s;
adamc@144	1823 }
adamc@144	1824
adamc@311	1825 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	1826 char new_s = uw_unurlify_advance(s);
adamc@311	1827 uw_Basis_int r;
adamc@120	1828
adamc@276	1829 r = atoll(*s);
adamc@120	1830 *s = new_s;
adamc@120	1831 return r;
adamc@120	1832 }
adamc@120	1833
adamc@311	1834 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	1835 char new_s = uw_unurlify_advance(s);
adamc@311	1836 uw_Basis_float r;
adamc@120	1837
adamc@120	1838 r = atof(*s);
adamc@120	1839 *s = new_s;
adamc@120	1840 return r;
adamc@120	1841 }
adamc@120	1842
adamc@488	1843 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365	1844 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365	1845 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365	1846 return r;
adamc@488	1847 }
adamc@488	1848
adamc@1023	1849 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	1850 char s1, s2 = s;
adamc@144	1851 int n;
adamc@136	1852
adamc@1023	1853 if (!fromClient) {
adamc@1023	1854 if (*s2 == '_')
adamc@1023	1855 ++s2;
adamc@1259	1856 else if ((s2[0] == '%' \|\| s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	1857 s2 += 3;
adamc@1023	1858 }
adamc@925	1859
adamc@927	1860 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087	1861 unsigned char c = *s2;
adamc@136	1862
adamc@136	1863 switch (c) {
adamc@136	1864 case '+':
adamc@136	1865 *s1 = ' ';
adamc@136	1866 break;
adamc@136	1867 case '%':
adamc@169	1868 if (s2[1] == 0)
adamc@311	1869 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	1870 if (s2[2] == 0)
adamc@311	1871 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	1872 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311	1873 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136	1874 *s1 = n;
adamc@136	1875 s2 += 2;
adamc@136	1876 break;
adamc@1259	1877 case '.':
adamc@1259	1878 if (!fromClient) {
adamc@1259	1879 if (s2[1] == 0)
adamc@1259	1880 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259	1881 if (s2[2] == 0)
adamc@1259	1882 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259	1883 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259	1884 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259	1885 *s1 = n;
adamc@1259	1886 s2 += 2;
adamc@1259	1887 break;
adamc@1259	1888 }
adamc@136	1889 default:
adamc@136	1890 *s1 = c;
adamc@136	1891 }
adamc@136	1892 }
adamc@136	1893 *s1++ = 0;
adamc@144	1894 return s1;
adamc@144	1895 }
adamc@144	1896
adamc@311	1897 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	1898 char new_s = uw_unurlify_advance(s);
adamc@311	1899 uw_Basis_bool r;
adamc@186	1900
adamc@186	1901 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	1902 r = uw_Basis_False;
adamc@186	1903 else
adamc@311	1904 r = uw_Basis_True;
adamc@186	1905
adamc@186	1906 *s = new_s;
adamc@186	1907 return r;
adamc@186	1908 }
adamc@186	1909
adamc@311	1910 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	1911 char new_s = uw_unurlify_advance(s);
adamc@1134	1912 char *r;
adamc@1134	1913 int len;
adamc@144	1914
adamc@200	1915 len = strlen(*s);
adamc@311	1916 uw_check_heap(ctx, len + 1);
adamc@144	1917
adamc@666	1918 r = ctx->heap.front;
adamc@1023	1919 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	1920 *s = new_s;
adamc@1023	1921 return r;
adamc@1023	1922 }
adamc@1023	1923
adamc@1109	1924 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109	1925 s = uw_unurlify_advance(s);
adamc@1109	1926 return uw_unit_v;
adamc@1109	1927 }
adamc@1109	1928
adamc@1023	1929 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	1930 char new_s = uw_unurlify_advance(s);
adamc@1134	1931 char *r;
adamc@1134	1932 int len;
adamc@1023	1933
adamc@1023	1934 len = strlen(*s);
adamc@1023	1935 uw_check_heap(ctx, len + 1);
adamc@1023	1936
adamc@1023	1937 r = ctx->heap.front;
adamc@1023	1938 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	1939 *s = new_s;
adamc@136	1940 return r;
adamc@120	1941 }
adamc@135	1942
adamc@135	1943
adamc@311	1944 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	1945 int len;
adamc@286	1946 char *r;
adamc@286	1947
adamc@311	1948 uw_check_heap(ctx, INTS_MAX);
adamc@666	1949 r = ctx->heap.front;
adamc@286	1950 sprintf(r, "%lld%n", n, &len);
adamc@666	1951 ctx->heap.front += len+1;
adamc@286	1952 return r;
adamc@286	1953 }
adamc@286	1954
adamc@428	1955 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	1956 int len;
adamc@286	1957
adamc@311	1958 uw_check(ctx, INTS_MAX);
adamc@666	1959 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1960 ctx->page.front += len;
adamc@428	1961
adamc@428	1962 return uw_unit_v;
adamc@286	1963 }
adamc@286	1964
adam@1358	1965 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358	1966 unsigned int n = ch;
adam@1358	1967 int len;
adam@1358	1968 char *r;
adam@1358	1969
adam@1358	1970 uw_check_heap(ctx, INTS_MAX+3);
adam@1358	1971 r = ctx->heap.front;
adam@1358	1972 sprintf(r, "&#%u;%n", n, &len);
adam@1358	1973 ctx->heap.front += len+1;
adam@1358	1974 return r;
adam@1358	1975 }
adam@1358	1976
adam@1358	1977 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358	1978 unsigned int n = ch;
adam@1358	1979 int len;
adam@1358	1980
adam@1358	1981 uw_check(ctx, INTS_MAX+3);
adam@1358	1982 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358	1983 ctx->page.front += len;
adam@1358	1984 return uw_unit_v;
adam@1358	1985 }
adam@1358	1986
adamc@311	1987 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	1988 int len;
adamc@286	1989 char *r;
adamc@286	1990
adamc@311	1991 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1992 r = ctx->heap.front;
adamc@286	1993 sprintf(r, "%g%n", n, &len);
adamc@666	1994 ctx->heap.front += len+1;
adamc@286	1995 return r;
adamc@286	1996 }
adamc@286	1997
adamc@428	1998 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	1999 int len;
adamc@286	2000
adamc@311	2001 uw_check(ctx, FLOATS_MAX);
adamc@666	2002 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	2003 ctx->page.front += len;
adamc@428	2004
adamc@428	2005 return uw_unit_v;
adamc@286	2006 }
adamc@286	2007
adam@1365	2008 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360	2009 int len;
adam@1360	2010 char *r;
adam@1360	2011
adam@1360	2012 uw_check_heap(ctx, INTS_MAX);
adam@1360	2013 r = ctx->heap.front;
adamc@1377	2014 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360	2015 ctx->heap.front += len+1;
adam@1360	2016 return r;
adam@1360	2017 }
adam@1360	2018
adam@1365	2019 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360	2020 int len;
adam@1360	2021
adam@1360	2022 uw_check(ctx, INTS_MAX);
adam@1360	2023 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360	2024 ctx->page.front += len;
adam@1360	2025
adam@1360	2026 return uw_unit_v;
adam@1360	2027 }
adam@1360	2028
adamc@311	2029 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	2030 char r, s2;
adamc@137	2031
adamc@311	2032 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	2033
adamc@666	2034 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054	2035 unsigned char c = *s;
adamc@137	2036
adamc@137	2037 switch (c) {
adamc@137	2038 case '<':
adamc@137	2039 strcpy(s2, "<");
adamc@137	2040 s2 += 4;
adamc@137	2041 break;
adamc@137	2042 case '&':
adamc@137	2043 strcpy(s2, "&");
adamc@137	2044 s2 += 5;
adamc@137	2045 break;
adamc@137	2046 default:
adamc@1059	2047 *s2++ = c;
adamc@137	2048 }
adamc@137	2049 }
adamc@137	2050
adamc@137	2051 *s2++ = 0;
adamc@666	2052 ctx->heap.front = s2;
adamc@137	2053 return r;
adamc@135	2054 }
adamc@135	2055
adamc@428	2056 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	2057 uw_check(ctx, strlen(s) * 6);
adamc@135	2058
adamc@135	2059 for (; *s; s++) {
adamc@1054	2060 unsigned char c = *s;
adamc@135	2061
adamc@135	2062 switch (c) {
adamc@135	2063 case '<':
adamc@311	2064 uw_write_unsafe(ctx, "<");
adamc@135	2065 break;
adamc@135	2066 case '&':
adamc@311	2067 uw_write_unsafe(ctx, "&");
adamc@135	2068 break;
adamc@135	2069 default:
adamc@1059	2070 uw_writec_unsafe(ctx, c);
adamc@135	2071 }
adamc@135	2072 }
adamc@428	2073
adamc@428	2074 return uw_unit_v;
adamc@135	2075 }
adamc@180	2076
adamc@311	2077 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2078 if (b == uw_Basis_False)
adamc@286	2079 return "False";
adamc@286	2080 else
adamc@286	2081 return "True";
adamc@286	2082 }
adamc@286	2083
adamc@428	2084 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	2085 if (b == uw_Basis_False) {
adamc@311	2086 uw_check(ctx, 6);
adamc@666	2087 strcpy(ctx->page.front, "False");
adamc@666	2088 ctx->page.front += 5;
adamc@286	2089 } else {
adamc@311	2090 uw_check(ctx, 5);
adamc@666	2091 strcpy(ctx->page.front, "True");
adamc@666	2092 ctx->page.front += 4;
adamc@286	2093 }
adamc@428	2094
adamc@428	2095 return uw_unit_v;
adamc@286	2096 }
adamc@286	2097
adamc@436	2098 #define TIME_FMT "%x %X"
adamc@438	2099 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436	2100
adamc@436	2101 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436	2102 size_t len;
adamc@436	2103 char *r;
adamc@436	2104 struct tm stm;
adamc@436	2105
adam@1365	2106 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2107 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2108 r = ctx->heap.front;
adamc@436	2109 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2110 ctx->heap.front += len+1;
adamc@436	2111 return r;
adamc@436	2112 } else
adamc@436	2113 return "<i>Invalid time</i>";
adamc@436	2114 }
adamc@436	2115
adamc@436	2116 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436	2117 size_t len;
adamc@436	2118 char *r;
adamc@436	2119 struct tm stm;
adamc@436	2120
adam@1365	2121 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2122 uw_check(ctx, TIMES_MAX);
adamc@666	2123 r = ctx->page.front;
adamc@436	2124 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2125 ctx->page.front += len;
adamc@436	2126 } else {
adamc@436	2127 uw_check(ctx, 20);
adamc@666	2128 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666	2129 ctx->page.front += 19;
adamc@436	2130 }
adamc@436	2131
adamc@436	2132 return uw_unit_v;
adamc@436	2133 }
adamc@436	2134
adamc@821	2135 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2136 while (n >= 0) {
adam@1388	2137 if (*s == 0)
adam@1388	2138 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388	2139
adam@1388	2140 if (n == 0)
adam@1388	2141 return *s;
adam@1388	2142
adam@1388	2143 --n;
adam@1388	2144 ++s;
adam@1388	2145 }
adam@1388	2146
adam@1388	2147 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821	2148 }
adamc@821	2149
adamc@821	2150 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2151 while (n >= 0) {
adam@1388	2152 if (*s == 0 \|\| n == 0)
adam@1388	2153 return s;
adam@1388	2154
adam@1388	2155 --n;
adam@1388	2156 ++s;
adam@1388	2157 }
adam@1388	2158
adam@1388	2159 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821	2160 }
adamc@821	2161
adamc@828	2162 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	2163 return strlen(s);
adamc@828	2164 }
adamc@828	2165
adam@1388	2166 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2167 while (n > 0) {
adam@1388	2168 if (*s == 0)
adam@1388	2169 return uw_Basis_False;
adam@1388	2170
adam@1388	2171 --n;
adam@1388	2172 ++s;
adam@1388	2173 }
adam@1388	2174
adam@1388	2175 return uw_Basis_True;
adam@1388	2176 }
adam@1388	2177
adamc@829	2178 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2179 return strchr(s, ch);
adamc@829	2180 }
adamc@829	2181
adamc@831	2182 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	2183 return strcspn(s, chs);
adamc@831	2184 }
adamc@831	2185
adamc@829	2186 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2187 uw_Basis_string r = strchr(s, ch);
adamc@829	2188 if (r == NULL)
adamc@829	2189 return NULL;
adamc@829	2190 else {
adamc@829	2191 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	2192 *nr = r - s;
adamc@829	2193 return nr;
adamc@829	2194 }
adamc@829	2195 }
adamc@829	2196
adamc@311	2197 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	2198 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	2199 char *s;
adamc@180	2200
adamc@311	2201 uw_check_heap(ctx, len);
adamc@180	2202
adamc@666	2203 s = ctx->heap.front;
adamc@180	2204
adamc@180	2205 strcpy(s, s1);
adamc@180	2206 strcat(s, s2);
adamc@666	2207 ctx->heap.front += len;
adamc@180	2208
adamc@180	2209 return s;
adamc@180	2210 }
adamc@278	2211
adamc@829	2212 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2213 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2214
adamc@829	2215 if (start < 0)
adamc@829	2216 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2217 if (len < 0)
adamc@829	2218 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2219 if (start + len > full_len)
adamc@829	2220 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2221
adamc@829	2222 if (start + len == full_len)
adamc@829	2223 return &s[start];
adamc@829	2224 else {
adamc@829	2225 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2226 memcpy(r, s+start, len);
adamc@829	2227 r[len] = 0;
adamc@829	2228 return r;
adamc@829	2229 }
adamc@829	2230
adamc@829	2231 }
adamc@829	2232
adamc@1023	2233 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2234 char *r;
adamc@1023	2235
adamc@1023	2236 uw_check_heap(ctx, 2);
adamc@1023	2237 r = ctx->heap.front;
adamc@1023	2238 r[0] = ch;
adamc@1023	2239 r[1] = 0;
adamc@1023	2240
adamc@1023	2241 ctx->heap.front += 2;
adamc@1023	2242
adamc@1023	2243 return r;
adamc@1023	2244 }
adamc@1023	2245
adamc@737	2246 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2247 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2248 char *s;
adamc@278	2249
adamc@311	2250 uw_check_heap(ctx, len);
adamc@278	2251
adamc@666	2252 s = ctx->heap.front;
adamc@278	2253
adamc@278	2254 strcpy(s, s1);
adamc@666	2255 ctx->heap.front += len;
adamc@278	2256
adamc@278	2257 return s;
adamc@278	2258 }
adamc@280	2259
adam@1295	2260 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295	2261 if (ctx->error_message[0]) {
adam@1295	2262 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295	2263 ctx->error_message[0] = 0;
adam@1295	2264 return s;
adam@1295	2265 } else
adam@1295	2266 return NULL;
adam@1295	2267 }
adam@1295	2268
adamc@737	2269 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2270 if (s1)
adamc@737	2271 return uw_strdup(ctx, s1);
adamc@493	2272 else
adamc@493	2273 return NULL;
adamc@493	2274 }
adamc@493	2275
adamc@742	2276 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2277 char *r = uw_malloc(ctx, len);
adamc@742	2278 memcpy(r, p, len);
adamc@742	2279 return r;
adamc@742	2280 }
adamc@280	2281
adamc@879	2282 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2283
adamc@311	2284 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2285 int len;
adamc@281	2286 char *r;
adamc@281	2287
adamc@311	2288 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2289 r = ctx->heap.front;
adamc@879	2290 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2291 ctx->heap.front += len+1;
adamc@281	2292 return r;
adamc@281	2293 }
adamc@281	2294
adamc@467	2295 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2296 if (n == NULL)
adamc@467	2297 return "NULL";
adamc@467	2298 else
adamc@467	2299 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2300 }
adamc@467	2301
adamc@879	2302 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879	2303
adamc@311	2304 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2305 int len;
adamc@281	2306 char *r;
adamc@281	2307
adamc@311	2308 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2309 r = ctx->heap.front;
adamc@879	2310 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2311 ctx->heap.front += len+1;
adamc@281	2312 return r;
adamc@281	2313 }
adamc@281	2314
adamc@467	2315 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2316 if (n == NULL)
adamc@467	2317 return "NULL";
adamc@467	2318 else
adamc@467	2319 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2320 }
adamc@467	2321
adamc@879	2322 int uw_Estrings = 1;
adamc@879	2323 char *uw_sqlsuffixString = "::text";
adamc@1011	2324 char *uw_sqlsuffixChar = "::char";
adamc@281	2325
adamc@311	2326 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2327 char r, s2;
adamc@280	2328
adamc@879	2329 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2330
adamc@666	2331 r = s2 = ctx->heap.front;
adamc@879	2332 if (uw_Estrings)
adamc@879	2333 *s2++ = 'E';
adamc@280	2334 *s2++ = '\'';
adamc@280	2335
adamc@280	2336 for (; *s; s++) {
adamc@280	2337 char c = *s;
adamc@280	2338
adamc@280	2339 switch (c) {
adamc@280	2340 case '\'':
adamc@885	2341 if (uw_Estrings)
adamc@885	2342 strcpy(s2, "\\'");
adamc@885	2343 else
adamc@885	2344 strcpy(s2, "''");
adamc@280	2345 s2 += 2;
adamc@280	2346 break;
adamc@280	2347 case '\\':
adamc@885	2348 if (uw_Estrings) {
adamc@885	2349 strcpy(s2, "\\\\");
adamc@885	2350 s2 += 2;
adamc@885	2351 } else
adamc@885	2352 *s2++ = '\\';
adamc@280	2353 break;
adamc@280	2354 default:
adamc@1150	2355 if (isprint((int)c))
adamc@280	2356 *s2++ = c;
adamc@879	2357 else if (uw_Estrings) {
adamc@737	2358 sprintf(s2, "\\%03o", c);
adamc@280	2359 s2 += 4;
adamc@280	2360 }
adamc@879	2361 else
adamc@879	2362 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280	2363 }
adamc@280	2364 }
adamc@280	2365
adamc@879	2366 *s2++ = '\'';
adamc@879	2367 strcpy(s2, uw_sqlsuffixString);
adamc@879	2368 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2369 return r;
adamc@280	2370 }
adamc@281	2371
adamc@1011	2372 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2373 char r, s2;
adamc@1011	2374
adamc@1011	2375 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2376
adamc@1011	2377 r = s2 = ctx->heap.front;
adamc@1011	2378 if (uw_Estrings)
adamc@1011	2379 *s2++ = 'E';
adamc@1011	2380 *s2++ = '\'';
adamc@1011	2381
adamc@1011	2382 switch (c) {
adamc@1011	2383 case '\'':
adamc@1011	2384 if (uw_Estrings)
adamc@1011	2385 strcpy(s2, "\\'");
adamc@1011	2386 else
adamc@1011	2387 strcpy(s2, "''");
adamc@1011	2388 s2 += 2;
adamc@1011	2389 break;
adamc@1011	2390 case '\\':
adamc@1011	2391 if (uw_Estrings) {
adamc@1011	2392 strcpy(s2, "\\\\");
adamc@1011	2393 s2 += 2;
adamc@1011	2394 } else
adamc@1011	2395 *s2++ = '\\';
adamc@1011	2396 break;
adamc@1011	2397 default:
adamc@1150	2398 if (isprint((int)c))
adamc@1011	2399 *s2++ = c;
adamc@1011	2400 else if (uw_Estrings) {
adamc@1011	2401 sprintf(s2, "\\%03o", c);
adamc@1011	2402 s2 += 4;
adamc@1011	2403 }
adamc@1011	2404 else
adamc@1011	2405 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2406 }
adamc@1011	2407
adamc@1011	2408 *s2++ = '\'';
adamc@1011	2409 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2410 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2411 return r;
adamc@1011	2412 }
adamc@1011	2413
adamc@879	2414 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2415
adamc@737	2416 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2417 char r, s2;
adamc@737	2418 size_t i;
adamc@737	2419
adamc@879	2420 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737	2421
adamc@737	2422 r = s2 = ctx->heap.front;
adamc@879	2423 if (uw_Estrings)
adamc@879	2424 *s2++ = 'E';
adamc@737	2425 *s2++ = '\'';
adamc@737	2426
adamc@737	2427 for (i = 0; i < b.size; ++i) {
adamc@737	2428 char c = b.data[i];
adamc@737	2429
adamc@737	2430 switch (c) {
adamc@737	2431 case '\'':
adamc@885	2432 if (uw_Estrings)
adamc@885	2433 strcpy(s2, "\\'");
adamc@885	2434 else
adamc@885	2435 strcpy(s2, "''");
adamc@737	2436 s2 += 2;
adamc@737	2437 break;
adamc@737	2438 case '\\':
adamc@885	2439 if (uw_Estrings) {
adamc@885	2440 strcpy(s2, "\\\\\\\\");
adamc@885	2441 s2 += 4;
adamc@885	2442 } else
adamc@885	2443 *s2++ = '\\';
adamc@737	2444 break;
adamc@737	2445 default:
adamc@1150	2446 if (isprint((int)c))
adamc@737	2447 *s2++ = c;
adamc@879	2448 else if (uw_Estrings) {
adamc@737	2449 sprintf(s2, "\\\\%03o", c);
adamc@737	2450 s2 += 5;
adamc@737	2451 }
adamc@879	2452 else
adamc@879	2453 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737	2454 }
adamc@737	2455 }
adamc@737	2456
adamc@879	2457 *s2++ = '\'';
adamc@879	2458 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2459 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2460 return r;
adamc@737	2461 }
adamc@737	2462
adamc@682	2463 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2464 int len;
adamc@682	2465 char *r;
adamc@682	2466 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2467
adamc@682	2468 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2469 r = ctx->heap.front;
adamc@879	2470 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2471 ctx->heap.front += len+1;
adamc@682	2472 return r;
adamc@682	2473 }
adamc@682	2474
adamc@682	2475 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2476 int len;
adamc@682	2477 char *r;
adamc@682	2478 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2479
adamc@682	2480 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2481 r = ctx->heap.front;
adamc@682	2482 sprintf(r, "%lld%n", combo, &len);
adamc@682	2483 ctx->heap.front += len+1;
adamc@682	2484 return r;
adamc@682	2485 }
adamc@682	2486
adamc@879	2487 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2488
adamc@682	2489 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2490 int len;
adamc@682	2491 char *r;
adamc@682	2492
adamc@682	2493 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2494 r = ctx->heap.front;
adamc@879	2495 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2496 ctx->heap.front += len+1;
adamc@682	2497 return r;
adamc@682	2498 }
adamc@682	2499
adamc@682	2500 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2501 int len;
adamc@682	2502 char *r;
adamc@682	2503
adamc@682	2504 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2505 r = ctx->heap.front;
adamc@682	2506 sprintf(r, "%u%n", cli, &len);
adamc@682	2507 ctx->heap.front += len+1;
adamc@682	2508 return r;
adamc@682	2509 }
adamc@682	2510
adamc@467	2511 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2512 if (s == NULL)
adamc@467	2513 return "NULL";
adamc@467	2514 else
adamc@467	2515 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2516 }
adamc@467	2517
adamc@311	2518 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2519 if (b == uw_Basis_False)
adamc@281	2520 return "FALSE";
adamc@281	2521 else
adamc@281	2522 return "TRUE";
adamc@281	2523 }
adamc@282	2524
adamc@467	2525 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2526 if (b == NULL)
adamc@467	2527 return "NULL";
adamc@467	2528 else
adamc@467	2529 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2530 }
adamc@467	2531
adamc@439	2532 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2533 size_t len;
adamc@682	2534 char r, s;
adamc@682	2535 struct tm stm;
adamc@682	2536
adam@1365	2537 if (localtime_r(&t.seconds, &stm)) {
adamc@682	2538 s = uw_malloc(ctx, TIMES_MAX);
adam@1364	2539 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367	2540 if (t.microseconds) {
adam@1367	2541 r = uw_malloc(ctx, len + 21);
adam@1367	2542 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367	2543 } else {
adam@1367	2544 r = uw_malloc(ctx, len + 14);
adam@1367	2545 sprintf(r, "'%s'::timestamp", s);
adam@1367	2546 }
adamc@682	2547 return r;
adamc@682	2548 } else
adamc@682	2549 return "<Invalid time>";
adamc@682	2550 }
adamc@682	2551
adamc@682	2552 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2553 size_t len;
adamc@439	2554 char *r;
adamc@439	2555 struct tm stm;
adamc@439	2556
adam@1365	2557 if (localtime_r(&t.seconds, &stm)) {
adamc@439	2558 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2559 r = ctx->heap.front;
adamc@439	2560 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2561 ctx->heap.front += len+1;
adamc@439	2562 return r;
adamc@439	2563 } else
adamc@439	2564 return "<Invalid time>";
adamc@439	2565 }
adamc@439	2566
adam@1364	2567 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364	2568 size_t len;
adam@1364	2569 char *r;
adam@1364	2570 struct tm stm;
adam@1364	2571
adam@1365	2572 if (localtime_r(&t.seconds, &stm)) {
adam@1364	2573 uw_check_heap(ctx, TIMES_MAX);
adam@1364	2574 r = ctx->heap.front;
adam@1365	2575 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365	2576 ctx->heap.front += len;
adam@1365	2577 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365	2578 ctx->heap.front += 8;
adam@1364	2579 return r;
adam@1364	2580 } else
adam@1364	2581 return "<Invalid time>";
adam@1364	2582 }
adam@1364	2583
adamc@467	2584 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2585 if (t == NULL)
adamc@467	2586 return "NULL";
adamc@467	2587 else
adamc@467	2588 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2589 }
adamc@467	2590
adamc@311	2591 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2592 static uw_Basis_int true = 1;
adamc@311	2593 static uw_Basis_int false = 0;
adamc@282	2594
adamc@311	2595 if (b == uw_Basis_False)
adamc@282	2596 return (char *)&false;
adamc@282	2597 else
adamc@282	2598 return (char *)&true;
adamc@282	2599 }
adamc@284	2600
adamc@311	2601 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2602 int len;
adamc@284	2603 char *r;
adamc@284	2604
adamc@311	2605 uw_check_heap(ctx, INTS_MAX);
adamc@666	2606 r = ctx->heap.front;
adamc@284	2607 sprintf(r, "%lld%n", n, &len);
adamc@666	2608 ctx->heap.front += len+1;
adamc@284	2609 return r;
adamc@284	2610 }
adamc@285	2611
adamc@311	2612 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2613 int len;
adamc@285	2614 char *r;
adamc@285	2615
adamc@311	2616 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2617 r = ctx->heap.front;
adamc@285	2618 sprintf(r, "%g%n", n, &len);
adamc@666	2619 ctx->heap.front += len+1;
adamc@285	2620 return r;
adamc@285	2621 }
adamc@285	2622
adamc@821	2623 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2624 char *r = uw_malloc(ctx, 2);
adamc@821	2625 r[0] = ch;
adamc@821	2626 r[1] = 0;
adamc@821	2627 return r;
adamc@821	2628 }
adamc@821	2629
adamc@311	2630 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2631 if (b == uw_Basis_False)
adamc@285	2632 return "False";
adamc@285	2633 else
adamc@285	2634 return "True";
adamc@285	2635 }
adamc@288	2636
adamc@436	2637 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436	2638 size_t len;
adamc@436	2639 char *r;
adamc@436	2640 struct tm stm;
adamc@436	2641
adam@1365	2642 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2643 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2644 r = ctx->heap.front;
adamc@436	2645 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2646 ctx->heap.front += len+1;
adamc@436	2647 return r;
adamc@436	2648 } else
adamc@436	2649 return "<Invalid time>";
adamc@436	2650 }
adamc@288	2651
adam@1359	2652 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352	2653 size_t len;
adam@1352	2654 char *r;
adam@1352	2655 struct tm stm;
adam@1352	2656
adam@1365	2657 if (localtime_r(&t.seconds, &stm)) {
adam@1352	2658 uw_check_heap(ctx, TIMES_MAX);
adam@1352	2659 r = ctx->heap.front;
adam@1352	2660 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352	2661 ctx->heap.front += len+1;
adam@1352	2662 return r;
adam@1352	2663 } else
adam@1352	2664 return "<Invalid time>";
adam@1352	2665 }
adam@1352	2666
adamc@311	2667 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2668 char *endptr;
adamc@311	2669 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2670
adamc@288	2671 if (s != '\0' && endptr == '\0') {
adamc@311	2672 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2673 *r = n;
adamc@288	2674 return r;
adamc@288	2675 } else
adamc@288	2676 return NULL;
adamc@288	2677 }
adamc@289	2678
adamc@311	2679 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2680 char *endptr;
adamc@311	2681 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2682
adamc@289	2683 if (s != '\0' && endptr == '\0') {
adamc@311	2684 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2685 *r = n;
adamc@289	2686 return r;
adamc@289	2687 } else
adamc@289	2688 return NULL;
adamc@289	2689 }
adamc@289	2690
adamc@821	2691 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2692 if (s[0] == 0) {
adamc@821	2693 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2694 r[0] = 0;
adamc@821	2695 return r;
adamc@821	2696 } else if (s[1] != 0)
adamc@821	2697 return NULL;
adamc@821	2698 else {
adamc@821	2699 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2700 r[0] = s[0];
adamc@821	2701 return r;
adamc@821	2702 }
adamc@821	2703 }
adamc@821	2704
adamc@311	2705 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2706 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2707 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2708
adamc@289	2709 if (!strcasecmp (s, "True"))
adamc@289	2710 return &true;
adamc@289	2711 else if (!strcasecmp (s, "False"))
adamc@289	2712 return &false;
adamc@289	2713 else
adamc@289	2714 return NULL;
adamc@289	2715 }
adamc@292	2716
adamc@436	2717 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2718 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1374	2719 struct tm stm = {};
adamc@436	2720
adamc@439	2721 if (dot) {
adamc@439	2722 *dot = 0;
adamc@439	2723 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2724 *dot = '.';
adamc@439	2725 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2726 r->seconds = mktime(&stm);
adam@1365	2727 r->microseconds = 0;
adamc@439	2728 return r;
adamc@439	2729 }
adamc@439	2730 else {
adamc@439	2731 *dot = '.';
adamc@439	2732 return NULL;
adamc@439	2733 }
adamc@436	2734 }
adamc@439	2735 else {
adamc@439	2736 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2737 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2738 r->seconds = mktime(&stm);
adam@1365	2739 r->microseconds = 0;
adamc@439	2740 return r;
adamc@439	2741 }
adamc@439	2742 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2743 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2744 r->seconds = mktime(&stm);
adam@1365	2745 r->microseconds = 0;
adamc@439	2746 return r;
adamc@439	2747 }
adamc@439	2748 else
adamc@439	2749 return NULL;
adamc@439	2750 }
adamc@436	2751 }
adamc@436	2752
adam@1352	2753 uw_Basis_time uw_Basis_stringToTimef(uw_context ctx, const char fmt, uw_Basis_string s) {
adam@1352	2754 char *end = strchr(s, 0);
adam@1374	2755 struct tm stm = {};
adam@1352	2756
adam@1352	2757 if (strptime(s, fmt, &stm) == end) {
adam@1352	2758 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2759 r->seconds = mktime(&stm);
adam@1365	2760 r->microseconds = 0;
adam@1352	2761 return r;
adam@1352	2762 }
adam@1352	2763 else
adam@1352	2764 return NULL;
adam@1352	2765 }
adam@1352	2766
adamc@311	2767 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2768 char *endptr;
adamc@311	2769 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2770
adamc@292	2771 if (s != '\0' && endptr == '\0')
adamc@292	2772 return n;
adamc@292	2773 else
adamc@311	2774 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292	2775 }
adamc@293	2776
adamc@682	2777 #include <errno.h>
adamc@682	2778
adamc@678	2779 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2780 unsigned long long n;
adamc@682	2781
adamc@682	2782 if (sscanf(s, "%llu", &n) < 1)
adamc@682	2783 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682	2784 else {
adamc@682	2785 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2786 return ch;
adamc@682	2787 }
adamc@682	2788 }
adamc@682	2789
adamc@682	2790 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2791 char *endptr;
adamc@682	2792 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2793
adamc@678	2794 if (s != '\0' && endptr == '\0')
adamc@678	2795 return n;
adamc@678	2796 else
adamc@682	2797 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678	2798 }
adamc@678	2799
adamc@311	2800 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2801 char *endptr;
adamc@311	2802 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2803
adamc@293	2804 if (s != '\0' && endptr == '\0')
adamc@293	2805 return n;
adamc@293	2806 else
adamc@311	2807 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293	2808 }
adamc@293	2809
adamc@821	2810 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	2811 if (s[0] == 0)
adamc@821	2812 return 0;
adamc@821	2813 else if (s[1] != 0)
adamc@821	2814 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821	2815 else
adamc@821	2816 return s[0];
adamc@821	2817 }
adamc@821	2818
adamc@311	2819 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	2820 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	2821 return uw_Basis_True;
adamc@296	2822 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	2823 return uw_Basis_False;
adamc@293	2824 else
adamc@311	2825 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293	2826 }
adamc@436	2827
adam@1352	2828 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352	2829 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1352	2830 struct tm stm = {};
adam@1352	2831
adam@1352	2832 if (dot) {
adam@1352	2833 *dot = 0;
adam@1352	2834 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352	2835 *dot = '.';
adam@1365	2836 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365	2837 return r;
adam@1352	2838 }
adam@1352	2839 else {
adam@1352	2840 *dot = '.';
adam@1352	2841 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352	2842 }
adam@1352	2843 }
adam@1352	2844 else {
adam@1352	2845 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2846 uw_Basis_time r = { mktime(&stm) };
adam@1365	2847 return r;
adam@1352	2848 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2849 uw_Basis_time r = { mktime(&stm) };
adam@1365	2850 return r;
adam@1352	2851 } else
adam@1352	2852 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352	2853 }
adam@1352	2854 }
adam@1352	2855
adamc@436	2856 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	2857 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2858 struct tm stm = {};
adamc@436	2859
adamc@438	2860 if (dot) {
adamc@438	2861 *dot = 0;
adamc@438	2862 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	2863 *dot = '.';
adam@1365	2864 {
adam@1365	2865 uw_Basis_time r = { mktime(&stm) };
adam@1365	2866 return r;
adam@1365	2867 }
adamc@438	2868 }
adamc@438	2869 else {
adamc@438	2870 *dot = '.';
adamc@438	2871 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2872 }
adamc@438	2873 }
adamc@438	2874 else {
adam@1365	2875 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2876 uw_Basis_time r = { mktime(&stm) };
adam@1365	2877 return r;
adam@1365	2878 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2879 uw_Basis_time r = { mktime(&stm) };
adam@1365	2880 return r;
adam@1365	2881 } else
adamc@438	2882 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2883 }
adamc@436	2884 }
adamc@457	2885
adam@1352	2886 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352	2887 char *end = strchr(s, 0);
adamc@939	2888 struct tm stm = {};
adamc@939	2889
adam@1365	2890 if (strptime(s, fmt, &stm) == end) {
adam@1365	2891 uw_Basis_time r = { mktime(&stm) };
adam@1365	2892 return r;
adam@1365	2893 } else
adam@1352	2894 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2895 }
adamc@939	2896
adamc@742	2897 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	2898 char *r = ctx->heap.front;
adamc@742	2899 uw_Basis_blob b = {len, r};
adamc@742	2900
adamc@742	2901 uw_check_heap(ctx, len);
adamc@742	2902
adamc@742	2903 while (*s) {
adamc@742	2904 if (s[0] == '\\') {
adamc@742	2905 if (s[1] == '\\') {
adamc@742	2906 *r++ = '\\';
adamc@742	2907 s += 2;
adamc@1153	2908 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742	2909 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742	2910 s += 4;
adamc@742	2911 }
adamc@742	2912 else {
adamc@742	2913 *r++ = '\\';
adamc@742	2914 ++s;
adamc@742	2915 }
adamc@742	2916 } else {
adamc@742	2917 *r++ = s[0];
adamc@742	2918 ++s;
adamc@742	2919 }
adamc@742	2920 }
adamc@742	2921
adamc@742	2922 b.size = r - ctx->heap.front;
adamc@742	2923 ctx->heap.front = r;
adamc@742	2924 return b;
adamc@742	2925 }
adamc@742	2926
adamc@1052	2927 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052	2928
adamc@463	2929 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	2930 int len = strlen(c);
adamc@854	2931 char *p = ctx->outHeaders.start;
adamc@474	2932
adamc@1134	2933 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474	2934 char *p2;
adamc@474	2935 p += 13;
adamc@474	2936 p2 = strchr(p, '=');
adamc@474	2937
adamc@474	2938 if (p2) {
adamc@474	2939 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	2940
adamc@474	2941 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052	2942 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052	2943 return NULL;
adamc@1052	2944 else {
adamc@1052	2945 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052	2946 memcpy(ret, p2+1, sz);
adamc@1052	2947 ret[sz] = 0;
adamc@1052	2948 return ret;
adamc@1052	2949 }
adamc@474	2950 }
adamc@474	2951 }
adamc@474	2952 }
adamc@463	2953
adamc@1134	2954 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051	2955 char *p2;
adamc@1051	2956
adamc@854	2957 while (1) {
adamc@1051	2958 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134	2959 if ((p2 = strchr(p, ';'))) {
adamc@1051	2960 size_t n = p2 - (p + len);
adamc@1051	2961 char *r = uw_malloc(ctx, n);
adamc@1051	2962 memcpy(r, p + 1 + len, n-1);
adamc@1051	2963 r[n-1] = 0;
adamc@1051	2964 return r;
adamc@1051	2965 } else
adamc@1051	2966 return p + 1 + len;
adamc@1134	2967 } else if ((p = strchr(p, ';')))
adamc@854	2968 p += 2;
adamc@463	2969 else
adamc@463	2970 return NULL;
adamc@463	2971 }
adamc@463	2972 }
adamc@792	2973
adamc@792	2974 return NULL;
adamc@457	2975 }
adamc@462	2976
adamc@1050	2977 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v, uw_Basis_time *expires, uw_Basis_bool secure) {
adamc@462	2978 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	2979 uw_write_header(ctx, c);
adamc@462	2980 uw_write_header(ctx, "=");
adamc@462	2981 uw_write_header(ctx, v);
adamc@466	2982 uw_write_header(ctx, "; path=");
adamc@466	2983 uw_write_header(ctx, prefix);
adamc@1050	2984 if (expires) {
adamc@1050	2985 char formatted[30];
adamc@1050	2986 struct tm tm;
adamc@1050	2987
adam@1365	2988 gmtime_r(&expires->seconds, &tm);
adamc@1050	2989
adamc@1050	2990 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050	2991
adamc@1050	2992 uw_write_header(ctx, "; expires=");
adamc@1050	2993 uw_write_header(ctx, formatted);
adamc@1050	2994 }
adamc@1050	2995 if (secure)
adamc@1050	2996 uw_write_header(ctx, "; secure");
adamc@462	2997 uw_write_header(ctx, "\r\n");
adamc@462	2998
adamc@462	2999 return uw_unit_v;
adamc@462	3000 }
adamc@667	3001
adamc@1050	3002 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050	3003 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050	3004 uw_write_header(ctx, c);
adamc@1050	3005 uw_write_header(ctx, "=; path=");
adamc@1050	3006 uw_write_header(ctx, prefix);
adamc@1052	3007 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050	3008
adamc@1050	3009 return uw_unit_v;
adamc@1050	3010 }
adamc@1050	3011
adamc@1113	3012 size_t uw_deltas_max = SIZE_MAX;
adamc@1113	3013
adamc@682	3014 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	3015 unsigned i;
adamc@682	3016 delta *d;
adamc@671	3017
adamc@682	3018 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	3019 if (ctx->deltas[i].client == client)
adamc@682	3020 return &ctx->deltas[i];
adamc@671	3021
adamc@682	3022 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113	3023 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113	3024 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113	3025
adamc@682	3026 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369	3027 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	3028 }
adamc@671	3029
adamc@682	3030 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	3031 d->client = client;
adam@1369	3032 uw_buffer_reset(&d->msgs);
adamc@682	3033 return d;
adamc@671	3034 }
adamc@671	3035
adamc@668	3036 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	3037 if (ctx->client == NULL)
adamc@682	3038 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	3039
adamc@682	3040 return new_channel(ctx->client);
adamc@668	3041 }
adamc@668	3042
adamc@668	3043 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	3044 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	3045 size_t len;
adamc@682	3046 int preLen;
adamc@682	3047 char pre[INTS_MAX + 2];
adamc@668	3048
adamc@682	3049 len = strlen(msg);
adamc@682	3050
adamc@682	3051 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	3052
adam@1369	3053 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369	3054 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369	3055 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671	3056
adamc@671	3057 return uw_unit_v;
adamc@668	3058 }
adamc@671	3059
adam@1327	3060 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131	3061 int i;
adamc@1131	3062 cleanup *cl;
adamc@1131	3063
adamc@1131	3064 if (ctx->client)
adamc@1131	3065 release_client(ctx->client);
adamc@1131	3066
adamc@1131	3067 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131	3068 cl->func(cl->arg);
adamc@1131	3069
adamc@1131	3070 ctx->cleanup_front = ctx->cleanup;
adamc@1131	3071
adamc@1131	3072 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3073 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3074 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131	3075
adamc@1131	3076 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3077 if (ctx->transactionals[i].free)
adam@1327	3078 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131	3079
adamc@1144	3080 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131	3081 }
adamc@1131	3082
adamc@671	3083 void uw_commit(uw_context ctx) {
adamc@1104	3084 int i;
adamc@1104	3085
adamc@1131	3086 if (uw_has_error(ctx)) {
adam@1327	3087 uw_rollback(ctx, 0);
adamc@1131	3088 return;
adamc@1131	3089 }
adamc@1131	3090
adamc@1104	3091 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3092 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3093 if (ctx->transactionals[i].commit) {
adamc@1083	3094 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3095 if (uw_has_error(ctx)) {
adam@1327	3096 uw_rollback(ctx, 0);
adamc@1131	3097 return;
adamc@1131	3098 }
adamc@1131	3099 }
adamc@771	3100
adamc@1104	3101 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3102 if (ctx->transactionals[i].rollback == NULL)
adamc@1131	3103 if (ctx->transactionals[i].commit) {
adamc@1083	3104 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3105 if (uw_has_error(ctx)) {
adam@1327	3106 uw_rollback(ctx, 0);
adamc@1131	3107 return;
adamc@1131	3108 }
adamc@1131	3109 }
adamc@1131	3110
adamc@1131	3111 if (ctx->app->db_commit(ctx)) {
adamc@1131	3112 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131	3113 return;
adamc@1131	3114 }
adamc@682	3115
adamc@682	3116 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	3117 delta *d = &ctx->deltas[i];
adamc@682	3118 client *c = find_client(d->client);
adamc@682	3119
adamc@682	3120 assert (c != NULL && c->mode == USED);
adamc@682	3121
adamc@685	3122 client_send(c, &d->msgs);
adamc@682	3123 }
adamc@682	3124
adamc@682	3125 if (ctx->client)
adamc@685	3126 release_client(ctx->client);
adamc@771	3127
adamc@1104	3128 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083	3129 if (ctx->transactionals[i].free)
adam@1327	3130 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916	3131
adamc@916	3132 // Splice script data into appropriate part of page
adamc@1065	3133 if (ctx->returning_indirectly \|\| ctx->script_header[0] == 0) {
adamc@995	3134 char *start = strstr(ctx->page.start, "<sc>");
adamc@995	3135 if (start) {
adam@1369	3136 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995	3137 ctx->page.front -= 4;
adamc@995	3138 }
adam@1369	3139 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916	3140 size_t len = strlen(ctx->script_header);
adamc@916	3141 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	3142 if (start) {
adam@1369	3143 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917	3144 start = strstr(ctx->page.start, "<sc>");
adam@1369	3145 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	3146 ctx->page.front += len - 4;
adamc@916	3147 memcpy(start, ctx->script_header, len);
adamc@916	3148 }
adamc@916	3149 } else {
adam@1369	3150 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916	3151 size_t lenP = lenH + 40 + len;
adamc@916	3152 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	3153 if (start) {
adam@1369	3154 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917	3155 start = strstr(ctx->page.start, "<sc>");
adam@1369	3156 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	3157 ctx->page.front += lenP - 4;
adamc@916	3158 memcpy(start, ctx->script_header, lenH);
adamc@916	3159 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916	3160 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916	3161 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916	3162 }
adamc@916	3163 }
adamc@671	3164 }
adamc@671	3165
adamc@683	3166
adamc@1113	3167 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113	3168
adamc@771	3169 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327	3170 uw_callback_with_retry free) {
adamc@771	3171 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113	3172 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113	3173 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084	3174 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771	3175 ++ctx->n_transactionals;
adamc@771	3176 }
adamc@771	3177
adamc@771	3178 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	3179 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	3180 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	3181 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771	3182 }
adamc@771	3183
adamc@683	3184
adamc@683	3185 // "Garbage collection"
adamc@683	3186
adamc@1121	3187 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121	3188 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121	3189
adamc@1121	3190 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683	3191 int r = setjmp(ctx->jmp_buf);
adamc@683	3192
adamc@1121	3193 if (r == 0)
adamc@1121	3194 uw_do_expunge(ctx, cli, data);
adamc@1121	3195 else
adamc@1121	3196 ctx->app->db_rollback(ctx);
adamc@1121	3197
adamc@1121	3198 uw_post_expunge(ctx, data);
adamc@683	3199
adamc@683	3200 return r;
adamc@683	3201 }
adamc@683	3202
adamc@683	3203 void uw_prune_clients(uw_context ctx) {
adamc@683	3204 client c, next, *prev = NULL;
adamc@683	3205 time_t cutoff;
adamc@683	3206
adamc@1094	3207 cutoff = time(NULL) - ctx->app->timeout;
adamc@683	3208
adamc@683	3209 pthread_mutex_lock(&clients_mutex);
adamc@683	3210
adamc@683	3211 for (c = clients_used; c; c = next) {
adamc@683	3212 next = c->next;
adamc@683	3213 pthread_mutex_lock(&c->lock);
adamc@685	3214 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	3215 failure_kind fk = UNLIMITED_RETRY;
adamc@683	3216 if (prev)
adamc@683	3217 prev->next = next;
adamc@683	3218 else
adamc@683	3219 clients_used = next;
adamc@684	3220 uw_reset(ctx);
adamc@683	3221 while (fk == UNLIMITED_RETRY) {
adamc@1121	3222 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121	3223 if (fk == UNLIMITED_RETRY)
adamc@684	3224 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	3225 }
adamc@684	3226 if (fk == SUCCESS)
adamc@684	3227 free_client(c);
adamc@1121	3228 else
adamc@856	3229 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683	3230 }
adamc@683	3231 else
adamc@683	3232 prev = c;
adamc@683	3233 pthread_mutex_unlock(&c->lock);
adamc@683	3234 }
adamc@683	3235
adamc@683	3236 pthread_mutex_unlock(&clients_mutex);
adamc@683	3237 }
adamc@687	3238
adamc@687	3239 failure_kind uw_initialize(uw_context ctx) {
adamc@687	3240 int r = setjmp(ctx->jmp_buf);
adamc@687	3241
adamc@687	3242 if (r == 0) {
adamc@1094	3243 if (ctx->app->db_begin(ctx))
adamc@687	3244 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094	3245 ctx->app->initializer(ctx);
adamc@1094	3246 if (ctx->app->db_commit(ctx))
adamc@687	3247 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	3248 }
adamc@687	3249
adamc@687	3250 return r;
adamc@687	3251 }
adamc@717	3252
adamc@1065	3253 static int url_bad(uw_Basis_string s) {
adamc@1065	3254 for (; *s; ++s)
adamc@1153	3255 if (!isgraph((int)*s))
adamc@1065	3256 return 1;
adamc@1065	3257
adamc@1065	3258 return 0;
adamc@1065	3259 }
adamc@1065	3260
adamc@717	3261 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065	3262 if (url_bad(s))
adamc@1065	3263 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094	3264 if (ctx->app->check_url(s))
adamc@770	3265 return s;
adamc@770	3266 else
adamc@770	3267 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	3268 }
adamc@734	3269
adamc@770	3270 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065	3271 if (url_bad(s))
adamc@1065	3272 return NULL;
adamc@1094	3273 if (ctx->app->check_url(s))
adamc@770	3274 return s;
adamc@770	3275 else
adamc@770	3276 return NULL;
adamc@770	3277 }
adamc@770	3278
adamc@770	3279 int mime_format(const char *s) {
adamc@770	3280 for (; *s; ++s)
adamc@1153	3281 if (!isalnum((int)s) && s != '/' && s != '-' && s != '.')
adamc@770	3282 return 0;
adamc@770	3283
adamc@770	3284 return 1;
adamc@770	3285 }
adamc@770	3286
adamc@741	3287 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3288 if (!mime_format(s))
adamc@770	3289 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	3290
adamc@1094	3291 if (ctx->app->check_mime(s))
adamc@770	3292 return s;
adamc@770	3293 else
adamc@770	3294 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	3295 }
adamc@770	3296
adamc@770	3297 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3298 if (!mime_format(s))
adamc@770	3299 return NULL;
adamc@770	3300
adamc@1094	3301 if (ctx->app->check_mime(s))
adamc@770	3302 return s;
adamc@770	3303 else
adamc@770	3304 return NULL;
adamc@741	3305 }
adamc@741	3306
adamc@734	3307 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	3308 return s ? s : "";
adamc@734	3309 }
adamc@734	3310
adamc@734	3311 extern int uw_hash_blocksize;
adamc@734	3312
adamc@734	3313 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	3314 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	3315 int i;
adamc@734	3316
adamc@734	3317 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	3318 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	3319
adamc@734	3320 return r;
adamc@734	3321 }
adamc@734	3322
adamc@734	3323 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094	3324 return ctx->app->cookie_sig(ctx);
adamc@734	3325 }
adamc@737	3326
adamc@737	3327 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	3328 return f.name;
adamc@737	3329 }
adamc@737	3330
adamc@740	3331 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	3332 return f.type;
adamc@740	3333 }
adamc@740	3334
adamc@745	3335 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	3336 return b.size;
adamc@745	3337 }
adamc@745	3338
adamc@1119	3339 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119	3340 uw_Basis_blob b = {strlen(s), s};
adamc@1119	3341
adamc@1119	3342 return b;
adamc@1119	3343 }
adamc@1119	3344
adamc@737	3345 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	3346 return f.data;
adamc@737	3347 }
adamc@741	3348
adam@1347	3349 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3350 return pb.type;
adam@1347	3351 }
adam@1347	3352
adam@1347	3353 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3354 return pb.data;
adam@1347	3355 }
adam@1347	3356
adamc@741	3357 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	3358 cleanup *cl;
adamc@741	3359 int len;
adamc@741	3360
adamc@1065	3361 ctx->returning_indirectly = 1;
adam@1369	3362 uw_buffer_reset(&ctx->outHeaders);
adam@1369	3363 uw_buffer_reset(&ctx->page);
adamc@741	3364
adamc@856	3365 uw_write_header(ctx, on_success);
adamc@856	3366 uw_write_header(ctx, "Content-Type: ");
adamc@741	3367 uw_write_header(ctx, mimeType);
adamc@741	3368 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369	3369 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134	3370 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741	3371 ctx->outHeaders.front += len;
adamc@1066	3372 uw_write_header(ctx, "\r\n");
adamc@741	3373
adam@1369	3374 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741	3375
adamc@741	3376 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3377 cl->func(cl->arg);
adamc@741	3378
adamc@741	3379 ctx->cleanup_front = ctx->cleanup;
adamc@741	3380
adamc@1065	3381 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065	3382 }
adamc@1065	3383
adamc@1065	3384 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065	3385 cleanup *cl;
adamc@1066	3386 char *s;
adamc@1065	3387
adamc@1065	3388 ctx->returning_indirectly = 1;
adam@1369	3389 uw_buffer_reset(&ctx->page);
adam@1369	3390 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369	3391 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369	3392 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369	3393 uw_buffer_reset(&ctx->outHeaders);
adamc@1065	3394
adamc@1065	3395 uw_write_header(ctx, on_redirect);
adamc@1066	3396
adamc@1066	3397 s = strchr(ctx->page.start, '\n');
adamc@1066	3398 if (s) {
adamc@1066	3399 char *s2;
adamc@1134	3400 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066	3401 *s2 = 0;
adamc@1066	3402 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066	3403 uw_write_header(ctx, s);
adamc@1066	3404 uw_write_header(ctx, "\n");
adamc@1066	3405 }
adamc@1066	3406 }
adamc@1066	3407 }
adamc@1066	3408
adamc@1065	3409 uw_write_header(ctx, "Location: ");
adamc@1065	3410 uw_write_header(ctx, url);
adamc@1065	3411 uw_write_header(ctx, "\r\n\r\n");
adamc@1065	3412
adamc@1065	3413 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065	3414 cl->func(cl->arg);
adamc@1065	3415
adamc@1065	3416 ctx->cleanup_front = ctx->cleanup;
adamc@1065	3417
adamc@1065	3418 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741	3419 }
adamc@874	3420
adamc@874	3421 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874	3422 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874	3423
adamc@874	3424 for (; *s; ++s) {
adamc@874	3425 if (s[0] == '\'') {
adamc@874	3426 *r++ = '\'';
adamc@874	3427 for (++s; *s; ++s) {
adamc@874	3428 if (s[0] == '\'') {
adamc@874	3429 *r++ = '\'';
adamc@874	3430 break;
adamc@874	3431 } else if (s[0] == '\\') {
adamc@874	3432 if (s[1] == '\\') {
adamc@874	3433 *r++ = '\\';
adamc@874	3434 *r++ = '\\';
adamc@874	3435 ++s;
adamc@874	3436 } else if (s[1] == '\'') {
adamc@874	3437 *r++ = '\\';
adamc@874	3438 *r++ = '\'';
adamc@874	3439 ++s;
adamc@874	3440 } else
adamc@874	3441 *r++ = '\'';
adamc@874	3442 } else
adamc@874	3443 *r++ = s[0];
adamc@874	3444 }
adamc@874	3445 if (*s == 0) break;
adamc@874	3446 } else if (s[0] == 'T' && s[1] == '.')
adamc@874	3447 ++s;
adamc@874	3448 else
adamc@874	3449 *r++ = s[0];
adamc@874	3450 }
adamc@874	3451
adamc@874	3452 return r;
adamc@874	3453 }
adamc@874	3454
adamc@922	3455 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	3456 va_list ap;
adamc@922	3457 size_t len = 1;
adamc@922	3458 char s, r, *s2;
adamc@922	3459
adamc@922	3460 va_start(ap, ctx);
adamc@922	3461 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3462 len += strlen(s);
adamc@922	3463 va_end(ap);
adamc@922	3464
adamc@922	3465 r = uw_malloc(ctx, len);
adamc@922	3466 va_start(ap, ctx);
adamc@922	3467 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3468 while (*s)
adamc@922	3469 s2++ = s++;
adamc@922	3470 va_end(ap);
adamc@922	3471 *s2 = 0;
adamc@922	3472
adamc@922	3473 return r;
adamc@922	3474 }
adamc@1006	3475
adam@1365	3476 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050	3477
adamc@1006	3478 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365	3479 uw_Basis_time r = { time(NULL) };
adam@1365	3480 return r;
adamc@1006	3481 }
adamc@1061	3482
adam@1369	3483 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369	3484 tm.seconds += n;
adam@1365	3485 return tm;
adamc@1138	3486 }
adamc@1138	3487
adamc@1061	3488 void uw_get_global(uw_context ctx, char name) {
adamc@1061	3489 int i;
adamc@1061	3490
adamc@1061	3491 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3492 if (!strcmp(name, ctx->globals[i].name))
adamc@1061	3493 return ctx->globals[i].data;
adamc@1061	3494
adamc@1061	3495 return NULL;
adamc@1061	3496 }
adamc@1061	3497
adamc@1113	3498 size_t uw_globals_max = SIZE_MAX;
adamc@1113	3499
adamc@1061	3500 void uw_set_global(uw_context ctx, char name, void data, void (free)(void)) {
adamc@1061	3501 int i;
adamc@1061	3502
adamc@1061	3503 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3504 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089	3505 if (ctx->globals[i].free)
adamc@1061	3506 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	3507 ctx->globals[i].data = data;
adamc@1061	3508 ctx->globals[i].free = free;
adamc@1061	3509 return;
adamc@1061	3510 }
adamc@1089	3511
adamc@1113	3512 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113	3513 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113	3514
adamc@1061	3515 ++ctx->n_globals;
adamc@1061	3516 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061	3517 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061	3518 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061	3519 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061	3520 }
adamc@1061	3521
adamc@1061	3522 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153	3523 return !!isalnum((int)c);
adamc@1061	3524 }
adamc@1061	3525
adamc@1061	3526 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153	3527 return !!isalpha((int)c);
adamc@1061	3528 }
adamc@1061	3529
adamc@1061	3530 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153	3531 return !!isblank((int)c);
adamc@1061	3532 }
adamc@1061	3533
adamc@1061	3534 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153	3535 return !!iscntrl((int)c);
adamc@1061	3536 }
adamc@1061	3537
adamc@1061	3538 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	3539 return !!isdigit((int)c);
adamc@1061	3540 }
adamc@1061	3541
adamc@1061	3542 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153	3543 return !!isgraph((int)c);
adamc@1061	3544 }
adamc@1061	3545
adamc@1061	3546 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153	3547 return !!islower((int)c);
adamc@1061	3548 }
adamc@1061	3549
adamc@1061	3550 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153	3551 return !!isprint((int)c);
adamc@1061	3552 }
adamc@1061	3553
adamc@1061	3554 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153	3555 return !!ispunct((int)c);
adamc@1061	3556 }
adamc@1061	3557
adamc@1061	3558 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153	3559 return !!isspace((int)c);
adamc@1061	3560 }
adamc@1063	3561
adamc@1061	3562 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	3563 return !!isupper((int)c);
adamc@1061	3564 }
adamc@1061	3565
adamc@1061	3566 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	3567 return !!isxdigit((int)c);
adamc@1061	3568 }
adamc@1061	3569
adamc@1061	3570 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153	3571 return tolower((int)c);
adamc@1061	3572 }
adamc@1061	3573
adamc@1061	3574 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	3575 return toupper((int)c);
adamc@1061	3576 }
adamc@1066	3577
adamc@1128	3578 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128	3579 return (unsigned char)c;
adamc@1128	3580 }
adamc@1128	3581
adamc@1128	3582 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128	3583 return n;
adamc@1128	3584 }
adamc@1128	3585
adamc@1066	3586 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066	3587 return ctx->current_url;
adamc@1066	3588 }
adamc@1066	3589
adamc@1066	3590 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066	3591 ctx->current_url = s;
adamc@1066	3592 }
adamc@1114	3593
adamc@1114	3594 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114	3595 ctx->deadline = n;
adamc@1114	3596 }
adamc@1114	3597
adamc@1114	3598 void uw_check_deadline(uw_context ctx) {
adamc@1114	3599 if (uw_time > ctx->deadline)
adamc@1114	3600 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114	3601 }
adamc@1115	3602
adamc@1115	3603 size_t uw_database_max = SIZE_MAX;
adamc@1120	3604
adamc@1120	3605 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334	3606 if (ctx->log_debug)
adam@1334	3607 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334	3608 else
adam@1334	3609 fprintf(stderr, "%s\n", s);
adamc@1120	3610 return uw_unit_v;
adamc@1120	3611 }
adamc@1250	3612
adamc@1250	3613 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250	3614 uw_Basis_int n = abs(rand());
adamc@1250	3615 return n;
adamc@1250	3616 }
adam@1347	3617
adam@1347	3618 void uw_noPostBody(uw_context ctx) {
adam@1347	3619 ctx->hasPostBody = 0;
adam@1347	3620 }
adam@1347	3621
adam@1347	3622 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3623 ctx->hasPostBody = 1;
adam@1347	3624 ctx->postBody = pb;
adam@1347	3625 }
adam@1347	3626
adam@1347	3627 int uw_hasPostBody(uw_context ctx) {
adam@1347	3628 return ctx->hasPostBody;
adam@1347	3629 }
adam@1347	3630
adam@1386	3631 void uw_isPost(uw_context ctx) {
adam@1386	3632 ctx->isPost = 1;
adam@1386	3633 }
adam@1386	3634
adam@1386	3635 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386	3636 return ctx->isPost;
adam@1386	3637 }
adam@1386	3638
adam@1370	3639 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370	3640 ctx->queryString = s;
adam@1370	3641 }
adam@1370	3642
adam@1370	3643 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370	3644 return ctx->queryString;
adam@1370	3645 }
adam@1370	3646
adam@1347	3647 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347	3648 if (ctx->hasPostBody)
adam@1347	3649 return ctx->postBody;
adam@1347	3650 else
adam@1347	3651 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347	3652 }
adam@1349	3653
adam@1349	3654 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349	3655 int r = setjmp(ctx->jmp_buf);
adam@1349	3656
adam@1349	3657 if (ctx->app->db_begin(ctx))
adam@1349	3658 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349	3659
adam@1349	3660 if (r == 0) {
adam@1349	3661 callback(ctx);
adam@1349	3662 uw_commit(ctx);
adam@1349	3663 }
adam@1349	3664 else
adam@1349	3665 uw_rollback(ctx, 0);
adam@1349	3666
adam@1349	3667 return r;
adam@1349	3668 }
adam@1360	3669
adam@1360	3670 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1360	3671 struct crypt_data *data;
adam@1360	3672
adam@1360	3673 if ((data = uw_get_global(ctx, "crypt")) == NULL) {
adam@1360	3674 data = malloc(sizeof(struct crypt_data));
adam@1360	3675 data->initialized = 0;
adam@1360	3676 uw_set_global(ctx, "crypt", data, free);
adam@1360	3677 }
adam@1360	3678
adam@1360	3679 return uw_strdup(ctx, crypt_r(key, salt, data));
adam@1360	3680 }
adam@1365	3681
adam@1365	3682 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3683 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365	3684 }
adam@1365	3685
adam@1365	3686 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3687 return !!(t1.seconds < t2.seconds \|\| t1.microseconds < t2.microseconds);
adam@1365	3688 }
adam@1365	3689
adam@1365	3690 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3691 return !!(uw_Basis_eq_time(ctx, t1, t2) \|\| uw_Basis_lt_time(ctx, t1, t2));
adam@1365	3692 }
adam@1365	3693
adam@1374	3694 /uw_Basis_time uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	3695 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374	3696
adam@1374	3697 printf("timezone = %ld\n", timezone);
adam@1374	3698
adam@1374	3699 if (r)
adam@1374	3700 r->seconds -= timezone;
adam@1374	3701
adam@1374	3702 return r;
adam@1374	3703 }*/
adam@1374	3704
adam@1372	3705 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	3706 struct tm stm = {};
adam@1375	3707 char *end = strchr(s, 0);
adam@1375	3708
adam@1375	3709 if (strptime(s, TIME_FMT_PG, &stm) == end \|\| strptime(s, TIME_FMT, &stm) == end) {
adam@1373	3710 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375	3711
adam@1375	3712 tzset();
adam@1374	3713 stm.tm_hour -= timezone / (60 * 60);
adam@1375	3714
adam@1374	3715 r->seconds = mktime(&stm);
adam@1373	3716 r->microseconds = 0;
adam@1373	3717
adam@1373	3718 return r;
adam@1374	3719 }
adam@1374	3720 else
adam@1373	3721 return NULL;
adam@1372	3722 }

Mercurial > urweb

annotate src/c/urweb.c @ 1388:3913cbfd72e9