adamc@436
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1 #define _XOPEN_SOURCE
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adamc@436
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2
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adamc@117
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3 #include <stdlib.h>
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adamc@102
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4 #include <stdio.h>
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adamc@117
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5 #include <string.h>
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adamc@457
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6 #include <strings.h>
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adamc@106
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7 #include <ctype.h>
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adamc@167
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8 #include <setjmp.h>
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adamc@167
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9 #include <stdarg.h>
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adamc@682
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10 #include <assert.h>
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adamc@102
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11
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adamc@667
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12 #include <pthread.h>
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adamc@667
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13
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adamc@102
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14 #include "types.h"
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adamc@102
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15
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adamc@311
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16 uw_unit uw_unit_v = {};
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adamc@102
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17
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adamc@667
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18
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adamc@667
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19 // Socket extras
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adamc@667
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20
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adamc@667
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21 int uw_really_send(int sock, const void *buf, size_t len) {
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adamc@667
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22 while (len > 0) {
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adamc@667
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23 size_t n = send(sock, buf, len, 0);
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adamc@667
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24
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adamc@667
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25 if (n < 0)
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adamc@667
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26 return n;
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adamc@667
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27
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adamc@667
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28 buf += n;
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adamc@667
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29 len -= n;
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adamc@667
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30 }
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adamc@667
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31
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adamc@667
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32 return 0;
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adamc@667
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33 }
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adamc@667
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34
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adamc@667
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35
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adamc@667
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36 // Buffers
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adamc@667
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37
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adamc@667
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38 typedef struct {
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adamc@667
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39 char *start, *front, *back;
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adamc@667
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40 } buf;
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adamc@667
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41
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adamc@667
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42 static void buf_init(buf *b, size_t s) {
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adamc@667
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43 b->front = b->start = malloc(s);
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adamc@667
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44 b->back = b->front + s;
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adamc@667
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45 }
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adamc@667
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46
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adamc@667
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47 static void buf_free(buf *b) {
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adamc@667
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48 free(b->start);
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adamc@667
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49 }
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adamc@667
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50
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adamc@667
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51 static void buf_reset(buf *b) {
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adamc@667
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52 b->front = b->start;
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adamc@667
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53 }
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adamc@667
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54
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adamc@667
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55 static void buf_check(buf *b, size_t extra) {
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adamc@667
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56 if (b->back - b->front < extra) {
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adamc@667
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57 size_t desired = b->front - b->start + extra, next;
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adamc@667
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58 char *new_heap;
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adamc@667
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59
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adamc@667
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60 next = b->back - b->start;
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adamc@667
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61 if (next == 0)
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adamc@667
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62 next = 1;
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adamc@667
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63 for (; next < desired; next *= 2);
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adamc@667
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64
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adamc@667
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65 new_heap = realloc(b->start, next);
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adamc@667
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66 b->front = new_heap + (b->front - b->start);
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adamc@667
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67 b->back = new_heap + next;
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adamc@667
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68 b->start = new_heap;
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adamc@667
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69 }
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adamc@667
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70 }
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adamc@667
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71
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adamc@667
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72 static size_t buf_used(buf *b) {
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adamc@667
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73 return b->front - b->start;
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adamc@667
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74 }
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adamc@667
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75
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adamc@667
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76 static size_t buf_avail(buf *b) {
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adamc@667
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77 return b->back - b->start;
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adamc@667
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78 }
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adamc@667
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79
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adamc@668
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80 static void buf_append(buf *b, const char *s, size_t len) {
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adamc@672
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81 buf_check(b, len+1);
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adamc@668
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82 memcpy(b->front, s, len);
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adamc@668
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83 b->front += len;
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adamc@672
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84 *b->front = 0;
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adamc@668
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85 }
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adamc@667
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86
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adamc@668
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87
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adamc@672
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88 // Persistent state types
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adamc@667
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89
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adamc@667
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90 typedef enum { UNUSED, USED } usage;
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adamc@667
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91
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adamc@667
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92 typedef struct client {
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adamc@682
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93 unsigned id;
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adamc@667
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94 usage mode;
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adamc@682
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95 int pass;
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adamc@682
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96 struct client *next;
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adamc@689
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97 pthread_mutex_t lock, pull_lock;
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adamc@682
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98 buf msgs;
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adamc@682
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99 int sock;
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adamc@682
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100 time_t last_contact;
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adamc@682
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101 unsigned n_channels;
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adamc@685
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102 unsigned refcount;
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adamc@667
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103 } client;
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adamc@667
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104
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adamc@672
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105
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adamc@672
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106 // Persistent client state
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adamc@672
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107
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adamc@682
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108 static client **clients, *clients_free, *clients_used;
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adamc@682
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109 static unsigned n_clients;
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adamc@667
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110
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adamc@667
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111 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
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adamc@667
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112
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adamc@682
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113 static client *new_client() {
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adamc@667
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114 client *c;
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adamc@667
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115
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adamc@667
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116 pthread_mutex_lock(&clients_mutex);
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adamc@667
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117
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adamc@667
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118 if (clients_free) {
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adamc@667
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119 c = clients_free;
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adamc@682
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120 clients_free = clients_free->next;
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adamc@667
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121 }
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adamc@667
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122 else {
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adamc@667
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123 ++n_clients;
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adamc@667
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124 clients = realloc(clients, sizeof(client) * n_clients);
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adamc@667
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125 c = malloc(sizeof(client));
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adamc@667
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126 c->id = n_clients-1;
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adamc@682
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127 pthread_mutex_init(&c->lock, NULL);
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adamc@689
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128 pthread_mutex_init(&c->pull_lock, NULL);
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adamc@682
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129 buf_init(&c->msgs, 0);
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adamc@667
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130 clients[n_clients-1] = c;
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adamc@667
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131 }
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adamc@667
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132
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adamc@682
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133 pthread_mutex_lock(&c->lock);
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adamc@667
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134 c->mode = USED;
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adamc@682
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135 c->pass = rand();
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adamc@682
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136 c->sock = -1;
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adamc@682
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137 c->last_contact = time(NULL);
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adamc@682
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138 buf_reset(&c->msgs);
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adamc@682
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139 c->n_channels = 0;
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adamc@685
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140 c->refcount = 0;
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adamc@682
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141 pthread_mutex_unlock(&c->lock);
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adamc@682
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142
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adamc@682
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143 c->next = clients_used;
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adamc@682
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144 clients_used = c;
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adamc@667
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145
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adamc@667
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146 pthread_mutex_unlock(&clients_mutex);
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adamc@667
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147
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adamc@667
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148 return c;
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adamc@667
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149 }
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adamc@667
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150
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adamc@685
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151 static void use_client(client *c) {
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adamc@685
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152 pthread_mutex_lock(&c->lock);
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adamc@685
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153 ++c->refcount;
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adamc@685
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154 pthread_mutex_unlock(&c->lock);
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adamc@689
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155 pthread_mutex_lock(&c->pull_lock);
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adamc@685
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156 }
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adamc@685
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157
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adamc@685
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158 static void release_client(client *c) {
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adamc@689
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159 pthread_mutex_unlock(&c->pull_lock);
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adamc@685
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160 pthread_mutex_lock(&c->lock);
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adamc@685
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161 --c->refcount;
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adamc@685
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162 pthread_mutex_unlock(&c->lock);
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adamc@689
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163
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adamc@685
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164 }
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adamc@685
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165
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adamc@667
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166 static const char begin_msgs[] = "HTTP/1.1 200 OK\r\nContent-type: text/plain\r\n\r\n";
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adamc@667
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167
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adamc@682
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168 static client *find_client(unsigned id) {
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adamc@667
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169 client *c;
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adamc@667
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170
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adamc@667
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171 pthread_mutex_lock(&clients_mutex);
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adamc@667
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172
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adamc@667
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173 if (id >= n_clients) {
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adamc@667
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174 pthread_mutex_unlock(&clients_mutex);
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adamc@668
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175 return NULL;
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adamc@667
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176 }
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adamc@667
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177
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adamc@667
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178 c = clients[id];
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adamc@667
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179
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adamc@668
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180 pthread_mutex_unlock(&clients_mutex);
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adamc@668
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181 return c;
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adamc@668
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182 }
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adamc@668
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183
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adamc@682
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184 void uw_client_connect(unsigned id, int pass, int sock) {
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adamc@682
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185 client *c = find_client(id);
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adamc@668
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186
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adamc@668
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187 if (c == NULL) {
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adamc@667
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188 close(sock);
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adamc@682
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189 fprintf(stderr, "Out-of-bounds client request (%u)\n", id);
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adamc@667
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190 return;
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adamc@667
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191 }
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adamc@667
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192
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adamc@682
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193 pthread_mutex_lock(&c->lock);
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adamc@671
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194
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adamc@682
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195 if (c->mode != USED) {
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adamc@682
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196 pthread_mutex_unlock(&c->lock);
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adamc@667
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197 close(sock);
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adamc@682
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198 fprintf(stderr, "Client request for unused slot (%u)\n", id);
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adamc@667
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199 return;
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adamc@667
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200 }
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adamc@667
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201
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adamc@682
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202 if (pass != c->pass) {
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adamc@682
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203 pthread_mutex_unlock(&c->lock);
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adamc@682
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204 close(sock);
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adamc@682
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205 fprintf(stderr, "Wrong client password (%u, %d)\n", id, pass);
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adamc@682
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206 return;
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adamc@667
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207 }
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adamc@667
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208
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adamc@682
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209 if (c->sock != -1) {
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adamc@682
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210 close(c->sock);
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adamc@682
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211 c->sock = -1;
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adamc@682
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212 }
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adamc@667
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213
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adamc@682
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214 c->last_contact = time(NULL);
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adamc@682
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215
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adamc@682
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216 if (buf_used(&c->msgs) > 0) {
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adamc@667
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217 uw_really_send(sock, begin_msgs, sizeof(begin_msgs) - 1);
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adamc@682
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218 uw_really_send(sock, c->msgs.start, buf_used(&c->msgs));
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adamc@682
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219 buf_reset(&c->msgs);
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adamc@667
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220 close(sock);
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adamc@667
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221 }
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adamc@668
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222 else
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adamc@682
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223 c->sock = sock;
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adamc@667
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224
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adamc@682
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225 pthread_mutex_unlock(&c->lock);
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adamc@667
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226 }
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adamc@667
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227
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adamc@682
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228 static void free_client(client *c) {
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adamc@683
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229 printf("Freeing client %u\n", c->id);
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adamc@667
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230
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adamc@682
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231 c->mode = UNUSED;
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adamc@682
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232 c->pass = -1;
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adamc@667
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233
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adamc@682
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234 c->next = clients_free;
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adamc@682
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235 clients_free = c;
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adamc@667
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236 }
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adamc@667
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237
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adamc@682
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238 static uw_Basis_channel new_channel(client *c) {
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adamc@682
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239 uw_Basis_channel ch = {c->id, c->n_channels++};
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adamc@668
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240 return ch;
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adamc@668
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241 }
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adamc@668
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242
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adamc@685
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243 static void client_send(client *c, buf *msg) {
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adamc@685
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244 pthread_mutex_lock(&c->lock);
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adamc@671
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245
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adamc@682
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246 if (c->sock != -1) {
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adamc@682
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247 uw_really_send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
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adamc@682
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248 uw_really_send(c->sock, msg->start, buf_used(msg));
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adamc@682
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249 close(c->sock);
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adamc@682
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250 c->sock = -1;
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adamc@682
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251 } else
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adamc@682
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252 buf_append(&c->msgs, msg->start, buf_used(msg));
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adamc@671
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253
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adamc@685
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254 pthread_mutex_unlock(&c->lock);
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adamc@668
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255 }
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adamc@668
|
256
|
adamc@668
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257
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adamc@668
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258 // Global entry points
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adamc@668
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259
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adamc@668
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260 void uw_global_init() {
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adamc@668
|
261 srand(time(NULL) ^ getpid());
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adamc@668
|
262
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adamc@668
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263 clients = malloc(0);
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adamc@668
|
264 }
|
adamc@668
|
265
|
adamc@668
|
266
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adamc@667
|
267 // Single-request state
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adamc@667
|
268
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adamc@167
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269 #define ERROR_BUF_LEN 1024
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adamc@167
|
270
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adamc@323
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271 typedef struct regions {
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adamc@323
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272 struct regions *next;
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adamc@323
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273 } regions;
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adamc@323
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274
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adamc@425
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275 typedef struct {
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adamc@425
|
276 void (*func)(void*);
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adamc@425
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277 void *arg;
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adamc@425
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278 } cleanup;
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adamc@425
|
279
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adamc@671
|
280 typedef struct {
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adamc@682
|
281 unsigned client;
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adamc@671
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282 buf msgs;
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adamc@682
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283 } delta;
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adamc@671
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284
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adamc@311
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285 struct uw_context {
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adamc@458
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286 char *headers, *headers_end;
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adamc@457
|
287
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adamc@666
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288 buf outHeaders, page, heap, script;
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adamc@144
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289 char **inputs;
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adamc@167
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290
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adamc@565
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291 int source_count;
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adamc@562
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292
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adamc@272
|
293 void *db;
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adamc@272
|
294
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adamc@167
|
295 jmp_buf jmp_buf;
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adamc@167
|
296
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adamc@323
|
297 regions *regions;
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adamc@323
|
298
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adamc@425
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299 cleanup *cleanup, *cleanup_front, *cleanup_back;
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adamc@425
|
300
|
adamc@667
|
301 const char *script_header, *url_prefix;
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adamc@643
|
302
|
adamc@682
|
303 size_t n_deltas, used_deltas;
|
adamc@682
|
304 delta *deltas;
|
adamc@671
|
305
|
adamc@673
|
306 int timeout;
|
adamc@673
|
307
|
adamc@682
|
308 client *client;
|
adamc@682
|
309
|
adamc@167
|
310 char error_message[ERROR_BUF_LEN];
|
adamc@117
|
311 };
|
adamc@117
|
312
|
adamc@683
|
313 extern int uw_inputs_len, uw_timeout;
|
adamc@144
|
314
|
adamc@687
|
315 uw_context uw_init() {
|
adamc@311
|
316 uw_context ctx = malloc(sizeof(struct uw_context));
|
adamc@136
|
317
|
adamc@458
|
318 ctx->headers = ctx->headers_end = NULL;
|
adamc@457
|
319
|
adamc@687
|
320 buf_init(&ctx->outHeaders, 0);
|
adamc@687
|
321 buf_init(&ctx->page, 0);
|
adamc@687
|
322 buf_init(&ctx->heap, 0);
|
adamc@687
|
323 buf_init(&ctx->script, 0);
|
adamc@667
|
324 ctx->script.start[0] = 0;
|
adamc@136
|
325
|
adamc@311
|
326 ctx->inputs = calloc(uw_inputs_len, sizeof(char *));
|
adamc@144
|
327
|
adamc@272
|
328 ctx->db = NULL;
|
adamc@272
|
329
|
adamc@323
|
330 ctx->regions = NULL;
|
adamc@323
|
331
|
adamc@425
|
332 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
|
adamc@425
|
333
|
adamc@643
|
334 ctx->script_header = "";
|
adamc@667
|
335 ctx->url_prefix = "/";
|
adamc@643
|
336
|
adamc@167
|
337 ctx->error_message[0] = 0;
|
adamc@167
|
338
|
adamc@565
|
339 ctx->source_count = 0;
|
adamc@562
|
340
|
adamc@682
|
341 ctx->n_deltas = ctx->used_deltas = 0;
|
adamc@671
|
342 ctx->deltas = malloc(0);
|
adamc@671
|
343
|
adamc@673
|
344 ctx->timeout = uw_timeout;
|
adamc@673
|
345
|
adamc@117
|
346 return ctx;
|
adamc@106
|
347 }
|
adamc@106
|
348
|
adamc@311
|
349 void uw_set_db(uw_context ctx, void *db) {
|
adamc@272
|
350 ctx->db = db;
|
adamc@272
|
351 }
|
adamc@272
|
352
|
adamc@311
|
353 void *uw_get_db(uw_context ctx) {
|
adamc@272
|
354 return ctx->db;
|
adamc@272
|
355 }
|
adamc@272
|
356
|
adamc@311
|
357 void uw_free(uw_context ctx) {
|
adamc@671
|
358 size_t i;
|
adamc@671
|
359
|
adamc@666
|
360 buf_free(&ctx->outHeaders);
|
adamc@666
|
361 buf_free(&ctx->script);
|
adamc@666
|
362 buf_free(&ctx->page);
|
adamc@666
|
363 buf_free(&ctx->heap);
|
adamc@144
|
364 free(ctx->inputs);
|
adamc@425
|
365 free(ctx->cleanup);
|
adamc@671
|
366
|
adamc@682
|
367 for (i = 0; i < ctx->n_deltas; ++i)
|
adamc@671
|
368 buf_free(&ctx->deltas[i].msgs);
|
adamc@671
|
369
|
adamc@136
|
370 free(ctx);
|
adamc@136
|
371 }
|
adamc@136
|
372
|
adamc@562
|
373 void uw_reset_keep_error_message(uw_context ctx) {
|
adamc@666
|
374 buf_reset(&ctx->outHeaders);
|
adamc@666
|
375 buf_reset(&ctx->script);
|
adamc@667
|
376 ctx->script.start[0] = 0;
|
adamc@666
|
377 buf_reset(&ctx->page);
|
adamc@666
|
378 buf_reset(&ctx->heap);
|
adamc@323
|
379 ctx->regions = NULL;
|
adamc@425
|
380 ctx->cleanup_front = ctx->cleanup;
|
adamc@565
|
381 ctx->source_count = 0;
|
adamc@682
|
382 ctx->used_deltas = 0;
|
adamc@682
|
383 ctx->client = NULL;
|
adamc@167
|
384 }
|
adamc@167
|
385
|
adamc@562
|
386 void uw_reset_keep_request(uw_context ctx) {
|
adamc@562
|
387 uw_reset_keep_error_message(ctx);
|
adamc@562
|
388 ctx->error_message[0] = 0;
|
adamc@167
|
389 }
|
adamc@167
|
390
|
adamc@311
|
391 void uw_reset(uw_context ctx) {
|
adamc@311
|
392 uw_reset_keep_request(ctx);
|
adamc@311
|
393 memset(ctx->inputs, 0, uw_inputs_len * sizeof(char *));
|
adamc@144
|
394 }
|
adamc@144
|
395
|
adamc@311
|
396 void uw_db_init(uw_context);
|
adamc@311
|
397 void uw_handle(uw_context, char *);
|
adamc@167
|
398
|
adamc@311
|
399 failure_kind uw_begin_init(uw_context ctx) {
|
adamc@272
|
400 int r = setjmp(ctx->jmp_buf);
|
adamc@272
|
401
|
adamc@272
|
402 if (r == 0)
|
adamc@311
|
403 uw_db_init(ctx);
|
adamc@272
|
404
|
adamc@272
|
405 return r;
|
adamc@272
|
406 }
|
adamc@272
|
407
|
adamc@458
|
408 void uw_set_headers(uw_context ctx, char *headers) {
|
adamc@458
|
409 char *s = headers, *s2;
|
adamc@458
|
410 ctx->headers = headers;
|
adamc@458
|
411
|
adamc@458
|
412 while (s2 = strchr(s, '\r')) {
|
adamc@458
|
413 s = s2;
|
adamc@458
|
414
|
adamc@458
|
415 if (s[1] == 0)
|
adamc@458
|
416 break;
|
adamc@458
|
417
|
adamc@458
|
418 *s = 0;
|
adamc@458
|
419 s += 2;
|
adamc@458
|
420 }
|
adamc@458
|
421
|
adamc@458
|
422 ctx->headers_end = s;
|
adamc@458
|
423 }
|
adamc@458
|
424
|
adamc@671
|
425 int uw_db_begin(uw_context);
|
adamc@167
|
426
|
adamc@311
|
427 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
|
adamc@425
|
428 cleanup *cl;
|
adamc@425
|
429
|
adamc@167
|
430 va_list ap;
|
adamc@167
|
431 va_start(ap, fmt);
|
adamc@167
|
432
|
adamc@167
|
433 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
|
adamc@167
|
434
|
adamc@425
|
435 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
|
adamc@425
|
436 cl->func(cl->arg);
|
adamc@425
|
437
|
adamc@425
|
438 ctx->cleanup_front = ctx->cleanup;
|
adamc@425
|
439
|
adamc@190
|
440 longjmp(ctx->jmp_buf, fk);
|
adamc@167
|
441 }
|
adamc@167
|
442
|
adamc@425
|
443 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
|
adamc@425
|
444 if (ctx->cleanup_front >= ctx->cleanup_back) {
|
adamc@425
|
445 int len = ctx->cleanup_back - ctx->cleanup, newLen;
|
adamc@425
|
446 if (len == 0)
|
adamc@425
|
447 newLen = 1;
|
adamc@425
|
448 else
|
adamc@428
|
449 newLen = len * 2;
|
adamc@470
|
450 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
|
adamc@425
|
451 ctx->cleanup_front = ctx->cleanup + len;
|
adamc@425
|
452 ctx->cleanup_back = ctx->cleanup + newLen;
|
adamc@425
|
453 }
|
adamc@425
|
454
|
adamc@425
|
455 ctx->cleanup_front->func = func;
|
adamc@425
|
456 ctx->cleanup_front->arg = arg;
|
adamc@425
|
457 ++ctx->cleanup_front;
|
adamc@425
|
458 }
|
adamc@425
|
459
|
adamc@682
|
460 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
|
adamc@682
|
461 int len = strlen(h);
|
adamc@682
|
462 char *s = ctx->headers, *p;
|
adamc@682
|
463
|
adamc@682
|
464 while (p = strchr(s, ':')) {
|
adamc@682
|
465 if (p - s == len && !strncasecmp(s, h, len)) {
|
adamc@682
|
466 return p + 2;
|
adamc@682
|
467 } else {
|
adamc@682
|
468 if ((s = strchr(p, 0)) && s < ctx->headers_end)
|
adamc@682
|
469 s += 2;
|
adamc@682
|
470 else
|
adamc@682
|
471 return NULL;
|
adamc@682
|
472 }
|
adamc@682
|
473 }
|
adamc@682
|
474
|
adamc@682
|
475 return NULL;
|
adamc@682
|
476 }
|
adamc@682
|
477
|
adamc@682
|
478 void uw_login(uw_context ctx) {
|
adamc@682
|
479 if (ctx->script_header[0]) {
|
adamc@682
|
480 char *id_s, *pass_s;
|
adamc@682
|
481
|
adamc@682
|
482 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
|
adamc@682
|
483 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
|
adamc@682
|
484 unsigned id = atoi(id_s);
|
adamc@682
|
485 int pass = atoi(pass_s);
|
adamc@682
|
486 client *c = find_client(id);
|
adamc@682
|
487
|
adamc@682
|
488 if (c == NULL)
|
adamc@682
|
489 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
|
adamc@682
|
490 else {
|
adamc@685
|
491 use_client(c);
|
adamc@682
|
492 ctx->client = c;
|
adamc@682
|
493
|
adamc@682
|
494 if (c->mode != USED)
|
adamc@682
|
495 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
|
adamc@682
|
496 if (c->pass != pass)
|
adamc@682
|
497 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
|
adamc@682
|
498 }
|
adamc@682
|
499 } else {
|
adamc@682
|
500 client *c = new_client();
|
adamc@685
|
501 use_client(c);
|
adamc@682
|
502 ctx->client = c;
|
adamc@682
|
503 }
|
adamc@682
|
504 }
|
adamc@682
|
505 }
|
adamc@682
|
506
|
adamc@671
|
507 failure_kind uw_begin(uw_context ctx, char *path) {
|
adamc@671
|
508 int r = setjmp(ctx->jmp_buf);
|
adamc@671
|
509
|
adamc@671
|
510 if (r == 0) {
|
adamc@671
|
511 if (uw_db_begin(ctx))
|
adamc@671
|
512 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
|
adamc@682
|
513
|
adamc@671
|
514 uw_handle(ctx, path);
|
adamc@671
|
515 }
|
adamc@671
|
516
|
adamc@671
|
517 return r;
|
adamc@671
|
518 }
|
adamc@671
|
519
|
adamc@682
|
520 uw_Basis_client uw_Basis_self(uw_context ctx, uw_unit u) {
|
adamc@682
|
521 if (ctx->client == NULL)
|
adamc@682
|
522 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
|
adamc@682
|
523
|
adamc@682
|
524 return ctx->client->id;
|
adamc@682
|
525 }
|
adamc@682
|
526
|
adamc@425
|
527 void uw_pop_cleanup(uw_context ctx) {
|
adamc@425
|
528 if (ctx->cleanup_front == ctx->cleanup)
|
adamc@425
|
529 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
|
adamc@425
|
530
|
adamc@425
|
531 --ctx->cleanup_front;
|
adamc@425
|
532 ctx->cleanup_front->func(ctx->cleanup_front->arg);
|
adamc@425
|
533 }
|
adamc@425
|
534
|
adamc@311
|
535 char *uw_error_message(uw_context ctx) {
|
adamc@167
|
536 return ctx->error_message;
|
adamc@167
|
537 }
|
adamc@167
|
538
|
adamc@311
|
539 int uw_input_num(char*);
|
adamc@144
|
540
|
adamc@311
|
541 void uw_set_input(uw_context ctx, char *name, char *value) {
|
adamc@311
|
542 int n = uw_input_num(name);
|
adamc@144
|
543
|
adamc@169
|
544 if (n < 0)
|
adamc@311
|
545 uw_error(ctx, FATAL, "Bad input name %s", name);
|
adamc@144
|
546
|
adamc@311
|
547 if (n >= uw_inputs_len)
|
adamc@311
|
548 uw_error(ctx, FATAL, "For input name %s, index %d is out of range", name, n);
|
adamc@169
|
549
|
adamc@144
|
550 ctx->inputs[n] = value;
|
adamc@144
|
551
|
adamc@282
|
552 //printf("[%d] %s = %s\n", n, name, value);
|
adamc@144
|
553 }
|
adamc@144
|
554
|
adamc@311
|
555 char *uw_get_input(uw_context ctx, int n) {
|
adamc@169
|
556 if (n < 0)
|
adamc@311
|
557 uw_error(ctx, FATAL, "Negative input index %d", n);
|
adamc@311
|
558 if (n >= uw_inputs_len)
|
adamc@311
|
559 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
|
adamc@282
|
560 //printf("[%d] = %s\n", n, ctx->inputs[n]);
|
adamc@144
|
561 return ctx->inputs[n];
|
adamc@138
|
562 }
|
adamc@138
|
563
|
adamc@311
|
564 char *uw_get_optional_input(uw_context ctx, int n) {
|
adamc@190
|
565 if (n < 0)
|
adamc@311
|
566 uw_error(ctx, FATAL, "Negative input index %d", n);
|
adamc@311
|
567 if (n >= uw_inputs_len)
|
adamc@311
|
568 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
|
adamc@426
|
569 //printf("[%d] = %s\n", n, ctx->inputs[n]);
|
adamc@190
|
570 return (ctx->inputs[n] == NULL ? "" : ctx->inputs[n]);
|
adamc@190
|
571 }
|
adamc@190
|
572
|
adamc@643
|
573 void uw_set_script_header(uw_context ctx, const char *s) {
|
adamc@643
|
574 ctx->script_header = s;
|
adamc@643
|
575 }
|
adamc@643
|
576
|
adamc@667
|
577 void uw_set_url_prefix(uw_context ctx, const char *s) {
|
adamc@667
|
578 ctx->url_prefix = s;
|
adamc@667
|
579 }
|
adamc@667
|
580
|
adamc@667
|
581
|
adamc@667
|
582 static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc) {
|
adamc@666
|
583 if (b->back - b->front < extra) {
|
adamc@666
|
584 size_t desired = b->front - b->start + extra, next;
|
adamc@136
|
585 char *new_heap;
|
adamc@136
|
586
|
adamc@666
|
587 next = b->back - b->start;
|
adamc@317
|
588 if (next == 0)
|
adamc@317
|
589 next = 1;
|
adamc@317
|
590 for (; next < desired; next *= 2);
|
adamc@136
|
591
|
adamc@666
|
592 new_heap = realloc(b->start, next);
|
adamc@666
|
593 b->front = new_heap + (b->front - b->start);
|
adamc@666
|
594 b->back = new_heap + next;
|
adamc@136
|
595
|
adamc@667
|
596 if (new_heap != b->start) {
|
adamc@666
|
597 b->start = new_heap;
|
adamc@666
|
598 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
|
adamc@136
|
599 }
|
adamc@136
|
600
|
adamc@666
|
601 b->start = new_heap;
|
adamc@136
|
602 }
|
adamc@136
|
603 }
|
adamc@136
|
604
|
adamc@666
|
605 static void uw_check_heap(uw_context ctx, size_t extra) {
|
adamc@667
|
606 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
|
adamc@666
|
607 }
|
adamc@666
|
608
|
adamc@311
|
609 void *uw_malloc(uw_context ctx, size_t len) {
|
adamc@136
|
610 void *result;
|
adamc@136
|
611
|
adamc@311
|
612 uw_check_heap(ctx, len);
|
adamc@136
|
613
|
adamc@666
|
614 result = ctx->heap.front;
|
adamc@666
|
615 ctx->heap.front += len;
|
adamc@136
|
616 return result;
|
adamc@117
|
617 }
|
adamc@117
|
618
|
adamc@323
|
619 void uw_begin_region(uw_context ctx) {
|
adamc@666
|
620 regions *r = (regions *) ctx->heap.front;
|
adamc@323
|
621
|
adamc@323
|
622 uw_check_heap(ctx, sizeof(regions));
|
adamc@323
|
623
|
adamc@666
|
624 ctx->heap.front += sizeof(regions);
|
adamc@323
|
625
|
adamc@323
|
626 r->next = ctx->regions;
|
adamc@323
|
627 ctx->regions = r;
|
adamc@323
|
628 }
|
adamc@323
|
629
|
adamc@323
|
630 void uw_end_region(uw_context ctx) {
|
adamc@323
|
631 regions *r = ctx->regions;
|
adamc@323
|
632
|
adamc@323
|
633 if (r == NULL)
|
adamc@323
|
634 uw_error(ctx, FATAL, "Region stack underflow");
|
adamc@323
|
635
|
adamc@666
|
636 ctx->heap.front = (char *) r;
|
adamc@323
|
637 ctx->regions = r->next;
|
adamc@323
|
638 }
|
adamc@323
|
639
|
adamc@324
|
640 void uw_memstats(uw_context ctx) {
|
adamc@666
|
641 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
|
adamc@666
|
642 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
|
adamc@666
|
643 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
|
adamc@666
|
644 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
|
adamc@324
|
645 }
|
adamc@324
|
646
|
adamc@311
|
647 int uw_send(uw_context ctx, int sock) {
|
adamc@666
|
648 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
|
adamc@462
|
649
|
adamc@462
|
650 if (n < 0)
|
adamc@462
|
651 return n;
|
adamc@462
|
652
|
adamc@462
|
653 n = uw_really_send(sock, "\r\n", 2);
|
adamc@462
|
654
|
adamc@462
|
655 if (n < 0)
|
adamc@462
|
656 return n;
|
adamc@462
|
657
|
adamc@666
|
658 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
|
adamc@462
|
659 }
|
adamc@462
|
660
|
adamc@462
|
661 static void uw_check_headers(uw_context ctx, size_t extra) {
|
adamc@667
|
662 buf_check(&ctx->outHeaders, extra);
|
adamc@462
|
663 }
|
adamc@462
|
664
|
adamc@462
|
665 void uw_write_header(uw_context ctx, uw_Basis_string s) {
|
adamc@462
|
666 int len = strlen(s);
|
adamc@462
|
667
|
adamc@462
|
668 uw_check_headers(ctx, len + 1);
|
adamc@666
|
669 strcpy(ctx->outHeaders.front, s);
|
adamc@666
|
670 ctx->outHeaders.front += len;
|
adamc@562
|
671 }
|
adamc@562
|
672
|
adamc@562
|
673 static void uw_check_script(uw_context ctx, size_t extra) {
|
adamc@667
|
674 buf_check(&ctx->script, extra);
|
adamc@562
|
675 }
|
adamc@562
|
676
|
adamc@562
|
677 void uw_write_script(uw_context ctx, uw_Basis_string s) {
|
adamc@562
|
678 int len = strlen(s);
|
adamc@562
|
679
|
adamc@562
|
680 uw_check_script(ctx, len + 1);
|
adamc@666
|
681 strcpy(ctx->script.front, s);
|
adamc@666
|
682 ctx->script.front += len;
|
adamc@562
|
683 }
|
adamc@562
|
684
|
adamc@645
|
685 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
|
adamc@667
|
686 if (ctx->script_header[0] == 0)
|
adamc@667
|
687 return "";
|
adamc@667
|
688 else {
|
adamc@679
|
689 char *r = uw_malloc(ctx, strlen(ctx->script_header) + 18 + buf_used(&ctx->script));
|
adamc@679
|
690 sprintf(r, "%s<script>%s</script>",
|
adamc@673
|
691 ctx->script_header,
|
adamc@673
|
692 ctx->script.start);
|
adamc@565
|
693 return r;
|
adamc@565
|
694 }
|
adamc@565
|
695 }
|
adamc@565
|
696
|
adamc@679
|
697 const char *uw_Basis_get_settings(uw_context ctx, uw_Basis_string onload) {
|
adamc@682
|
698 if (ctx->client == NULL)
|
adamc@667
|
699 return "";
|
adamc@668
|
700 else {
|
adamc@681
|
701 char *r = uw_malloc(ctx, 52 + 3 * INTS_MAX + strlen(ctx->url_prefix) + strlen(onload));
|
adamc@682
|
702 sprintf(r, " onload='client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;listener();%s'",
|
adamc@682
|
703 ctx->client->id,
|
adamc@682
|
704 ctx->client->pass,
|
adamc@679
|
705 ctx->url_prefix,
|
adamc@679
|
706 ctx->timeout,
|
adamc@679
|
707 onload);
|
adamc@679
|
708 return r;
|
adamc@668
|
709 }
|
adamc@667
|
710 }
|
adamc@667
|
711
|
adamc@574
|
712 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@574
|
713 char *r, *s2;
|
adamc@574
|
714
|
adamc@574
|
715 uw_check_heap(ctx, strlen(s) * 4 + 2);
|
adamc@574
|
716
|
adamc@666
|
717 r = s2 = ctx->heap.front;
|
adamc@574
|
718 *s2++ = '"';
|
adamc@574
|
719
|
adamc@574
|
720 for (; *s; s++) {
|
adamc@574
|
721 char c = *s;
|
adamc@574
|
722
|
adamc@574
|
723 switch (c) {
|
adamc@574
|
724 case '"':
|
adamc@574
|
725 strcpy(s2, "\\\"");
|
adamc@574
|
726 s2 += 2;
|
adamc@574
|
727 break;
|
adamc@574
|
728 case '\\':
|
adamc@574
|
729 strcpy(s2, "\\\\");
|
adamc@574
|
730 s2 += 2;
|
adamc@574
|
731 break;
|
adamc@574
|
732 default:
|
adamc@574
|
733 if (isprint(c))
|
adamc@574
|
734 *s2++ = c;
|
adamc@574
|
735 else {
|
adamc@574
|
736 sprintf(s2, "\\%3o", c);
|
adamc@574
|
737 s2 += 4;
|
adamc@574
|
738 }
|
adamc@574
|
739 }
|
adamc@574
|
740 }
|
adamc@574
|
741
|
adamc@574
|
742 strcpy(s2, "\"");
|
adamc@666
|
743 ctx->heap.front = s2 + 1;
|
adamc@574
|
744 return r;
|
adamc@574
|
745 }
|
adamc@574
|
746
|
adamc@574
|
747 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
|
adamc@574
|
748 char *r, *s2;
|
adamc@574
|
749
|
adamc@574
|
750 uw_check_script(ctx, strlen(s) * 4 + 2);
|
adamc@574
|
751
|
adamc@666
|
752 r = s2 = ctx->script.front;
|
adamc@574
|
753 *s2++ = '"';
|
adamc@574
|
754
|
adamc@574
|
755 for (; *s; s++) {
|
adamc@574
|
756 char c = *s;
|
adamc@574
|
757
|
adamc@574
|
758 switch (c) {
|
adamc@577
|
759 case '\'':
|
adamc@574
|
760 strcpy(s2, "\\\"");
|
adamc@574
|
761 s2 += 2;
|
adamc@574
|
762 break;
|
adamc@574
|
763 case '\\':
|
adamc@574
|
764 strcpy(s2, "\\\\");
|
adamc@574
|
765 s2 += 2;
|
adamc@574
|
766 break;
|
adamc@574
|
767 default:
|
adamc@574
|
768 if (isprint(c))
|
adamc@574
|
769 *s2++ = c;
|
adamc@574
|
770 else {
|
adamc@574
|
771 sprintf(s2, "\\%3o", c);
|
adamc@574
|
772 s2 += 4;
|
adamc@574
|
773 }
|
adamc@574
|
774 }
|
adamc@574
|
775 }
|
adamc@574
|
776
|
adamc@574
|
777 strcpy(s2, "\"");
|
adamc@666
|
778 ctx->script.front = s2 + 1;
|
adamc@574
|
779 return r;
|
adamc@574
|
780 }
|
adamc@574
|
781
|
adamc@682
|
782 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
783 if (ctx->client == NULL || chn.cli != ctx->client->id)
|
adamc@682
|
784 return "null";
|
adamc@682
|
785 else {
|
adamc@682
|
786 int len;
|
adamc@682
|
787 char *r;
|
adamc@682
|
788
|
adamc@682
|
789 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
790 r = ctx->heap.front;
|
adamc@682
|
791 sprintf(r, "%u%n", chn.chn, &len);
|
adamc@682
|
792 ctx->heap.front += len+1;
|
adamc@682
|
793 return r;
|
adamc@682
|
794 }
|
adamc@682
|
795 }
|
adamc@682
|
796
|
adamc@577
|
797 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
|
adamc@577
|
798 int len;
|
adamc@577
|
799 size_t s_len = strlen(s);
|
adamc@562
|
800
|
adamc@577
|
801 uw_check_script(ctx, 12 + INTS_MAX + s_len);
|
adamc@666
|
802 sprintf(ctx->script.front, "var s%d=sc(%n", ctx->source_count, &len);
|
adamc@666
|
803 ctx->script.front += len;
|
adamc@666
|
804 strcpy(ctx->script.front, s);
|
adamc@666
|
805 ctx->script.front += s_len;
|
adamc@666
|
806 strcpy(ctx->script.front, ");");
|
adamc@666
|
807 ctx->script.front += 2;
|
adamc@562
|
808
|
adamc@565
|
809 return ctx->source_count++;
|
adamc@117
|
810 }
|
adamc@117
|
811
|
adamc@577
|
812 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
|
adamc@577
|
813 int len;
|
adamc@577
|
814 size_t s_len = strlen(s);
|
adamc@577
|
815
|
adamc@577
|
816 uw_check_script(ctx, 6 + INTS_MAX + s_len);
|
adamc@666
|
817 sprintf(ctx->script.front, "s%d.v=%n", (int)n, &len);
|
adamc@666
|
818 ctx->script.front += len;
|
adamc@666
|
819 strcpy(ctx->script.front, s);
|
adamc@666
|
820 ctx->script.front += s_len;
|
adamc@666
|
821 strcpy(ctx->script.front, ";");
|
adamc@666
|
822 ctx->script.front++;
|
adamc@577
|
823
|
adamc@577
|
824 return uw_unit_v;
|
adamc@577
|
825 }
|
adamc@577
|
826
|
adamc@311
|
827 static void uw_check(uw_context ctx, size_t extra) {
|
adamc@667
|
828 buf_check(&ctx->page, extra);
|
adamc@117
|
829 }
|
adamc@117
|
830
|
adamc@311
|
831 static void uw_writec_unsafe(uw_context ctx, char c) {
|
adamc@666
|
832 *(ctx->page.front)++ = c;
|
adamc@117
|
833 }
|
adamc@117
|
834
|
adamc@311
|
835 void uw_writec(uw_context ctx, char c) {
|
adamc@311
|
836 uw_check(ctx, 1);
|
adamc@311
|
837 uw_writec_unsafe(ctx, c);
|
adamc@117
|
838 }
|
adamc@117
|
839
|
adamc@311
|
840 static void uw_write_unsafe(uw_context ctx, const char* s) {
|
adamc@117
|
841 int len = strlen(s);
|
adamc@666
|
842 memcpy(ctx->page.front, s, len);
|
adamc@666
|
843 ctx->page.front += len;
|
adamc@117
|
844 }
|
adamc@117
|
845
|
adamc@311
|
846 void uw_write(uw_context ctx, const char* s) {
|
adamc@311
|
847 uw_check(ctx, strlen(s) + 1);
|
adamc@311
|
848 uw_write_unsafe(ctx, s);
|
adamc@666
|
849 *ctx->page.front = 0;
|
adamc@102
|
850 }
|
adamc@106
|
851
|
adamc@311
|
852 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@136
|
853 char *result;
|
adamc@136
|
854 int len;
|
adamc@311
|
855 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
856 result = ctx->heap.front;
|
adamc@276
|
857 sprintf(result, "%lld%n", n, &len);
|
adamc@666
|
858 ctx->heap.front += len+1;
|
adamc@136
|
859 return result;
|
adamc@106
|
860 }
|
adamc@106
|
861
|
adamc@311
|
862 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@136
|
863 char *result;
|
adamc@136
|
864 int len;
|
adamc@311
|
865 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
866 result = ctx->heap.front;
|
adamc@136
|
867 sprintf(result, "%g%n", n, &len);
|
adamc@666
|
868 ctx->heap.front += len+1;
|
adamc@136
|
869 return result;
|
adamc@106
|
870 }
|
adamc@106
|
871
|
adamc@311
|
872 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@136
|
873 int len = strlen(s);
|
adamc@136
|
874 char *result, *p;
|
adamc@311
|
875 uw_check_heap(ctx, len * 6 + 1);
|
adamc@136
|
876
|
adamc@666
|
877 result = p = ctx->heap.front;
|
adamc@136
|
878
|
adamc@136
|
879 for (; *s; s++) {
|
adamc@136
|
880 char c = *s;
|
adamc@136
|
881
|
adamc@136
|
882 if (c == '"') {
|
adamc@136
|
883 strcpy(p, """);
|
adamc@136
|
884 p += 6;
|
adamc@136
|
885 } else if (c == '&') {
|
adamc@136
|
886 strcpy(p, "&");
|
adamc@136
|
887 p += 5;
|
adamc@136
|
888 }
|
adamc@136
|
889 else if (isprint(c))
|
adamc@136
|
890 *p++ = c;
|
adamc@136
|
891 else {
|
adamc@136
|
892 int len2;
|
adamc@136
|
893 sprintf(p, "&#%d;%n", c, &len2);
|
adamc@136
|
894 p += len2;
|
adamc@136
|
895 }
|
adamc@136
|
896 }
|
adamc@136
|
897
|
adamc@137
|
898 *p++ = 0;
|
adamc@666
|
899 ctx->heap.front = p;
|
adamc@136
|
900 return result;
|
adamc@106
|
901 }
|
adamc@106
|
902
|
adamc@311
|
903 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
|
adamc@117
|
904 int len;
|
adamc@117
|
905
|
adamc@666
|
906 sprintf(ctx->page.front, "%lld%n", n, &len);
|
adamc@666
|
907 ctx->page.front += len;
|
adamc@106
|
908 }
|
adamc@106
|
909
|
adamc@428
|
910 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
|
adamc@311
|
911 uw_check(ctx, INTS_MAX);
|
adamc@311
|
912 uw_Basis_attrifyInt_w_unsafe(ctx, n);
|
adamc@428
|
913
|
adamc@428
|
914 return uw_unit_v;
|
adamc@106
|
915 }
|
adamc@106
|
916
|
adamc@428
|
917 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
|
adamc@117
|
918 int len;
|
adamc@117
|
919
|
adamc@311
|
920 uw_check(ctx, FLOATS_MAX);
|
adamc@666
|
921 sprintf(ctx->page.front, "%g%n", n, &len);
|
adamc@666
|
922 ctx->page.front += len;
|
adamc@428
|
923
|
adamc@428
|
924 return uw_unit_v;
|
adamc@117
|
925 }
|
adamc@117
|
926
|
adamc@428
|
927 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
|
adamc@311
|
928 uw_check(ctx, strlen(s) * 6);
|
adamc@117
|
929
|
adamc@106
|
930 for (; *s; s++) {
|
adamc@106
|
931 char c = *s;
|
adamc@106
|
932
|
adamc@106
|
933 if (c == '"')
|
adamc@311
|
934 uw_write_unsafe(ctx, """);
|
adamc@136
|
935 else if (c == '&')
|
adamc@311
|
936 uw_write_unsafe(ctx, "&");
|
adamc@106
|
937 else if (isprint(c))
|
adamc@311
|
938 uw_writec_unsafe(ctx, c);
|
adamc@106
|
939 else {
|
adamc@311
|
940 uw_write_unsafe(ctx, "&#");
|
adamc@311
|
941 uw_Basis_attrifyInt_w_unsafe(ctx, c);
|
adamc@311
|
942 uw_writec_unsafe(ctx, ';');
|
adamc@106
|
943 }
|
adamc@106
|
944 }
|
adamc@428
|
945
|
adamc@428
|
946 return uw_unit_v;
|
adamc@106
|
947 }
|
adamc@120
|
948
|
adamc@120
|
949
|
adamc@311
|
950 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@137
|
951 int len;
|
adamc@137
|
952 char *r;
|
adamc@137
|
953
|
adamc@311
|
954 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
955 r = ctx->heap.front;
|
adamc@276
|
956 sprintf(r, "%lld%n", n, &len);
|
adamc@666
|
957 ctx->heap.front += len+1;
|
adamc@137
|
958 return r;
|
adamc@120
|
959 }
|
adamc@120
|
960
|
adamc@682
|
961 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
962 if (ctx->client == NULL || chn.cli != ctx->client->id)
|
adamc@682
|
963 return "";
|
adamc@682
|
964 else {
|
adamc@682
|
965 int len;
|
adamc@682
|
966 char *r;
|
adamc@679
|
967
|
adamc@682
|
968 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
969 r = ctx->heap.front;
|
adamc@682
|
970 sprintf(r, "%u%n", chn.chn, &len);
|
adamc@682
|
971 ctx->heap.front += len+1;
|
adamc@682
|
972 return r;
|
adamc@682
|
973 }
|
adamc@679
|
974 }
|
adamc@679
|
975
|
adamc@311
|
976 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@137
|
977 int len;
|
adamc@137
|
978 char *r;
|
adamc@137
|
979
|
adamc@311
|
980 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
981 r = ctx->heap.front;
|
adamc@137
|
982 sprintf(r, "%g%n", n, &len);
|
adamc@666
|
983 ctx->heap.front += len+1;
|
adamc@137
|
984 return r;
|
adamc@120
|
985 }
|
adamc@120
|
986
|
adamc@311
|
987 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@137
|
988 char *r, *p;
|
adamc@137
|
989
|
adamc@311
|
990 uw_check_heap(ctx, strlen(s) * 3 + 1);
|
adamc@137
|
991
|
adamc@666
|
992 for (r = p = ctx->heap.front; *s; s++) {
|
adamc@137
|
993 char c = *s;
|
adamc@137
|
994
|
adamc@137
|
995 if (c == ' ')
|
adamc@137
|
996 *p++ = '+';
|
adamc@137
|
997 else if (isalnum(c))
|
adamc@137
|
998 *p++ = c;
|
adamc@137
|
999 else {
|
adamc@137
|
1000 sprintf(p, "%%%02X", c);
|
adamc@137
|
1001 p += 3;
|
adamc@137
|
1002 }
|
adamc@137
|
1003 }
|
adamc@137
|
1004
|
adamc@137
|
1005 *p++ = 0;
|
adamc@666
|
1006 ctx->heap.front = p;
|
adamc@137
|
1007 return r;
|
adamc@120
|
1008 }
|
adamc@120
|
1009
|
adamc@311
|
1010 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1011 if (b == uw_Basis_False)
|
adamc@186
|
1012 return "0";
|
adamc@186
|
1013 else
|
adamc@186
|
1014 return "1";
|
adamc@186
|
1015 }
|
adamc@186
|
1016
|
adamc@311
|
1017 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
|
adamc@120
|
1018 int len;
|
adamc@120
|
1019
|
adamc@666
|
1020 sprintf(ctx->page.front, "%lld%n", n, &len);
|
adamc@666
|
1021 ctx->page.front += len;
|
adamc@120
|
1022 }
|
adamc@120
|
1023
|
adamc@428
|
1024 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
|
adamc@311
|
1025 uw_check(ctx, INTS_MAX);
|
adamc@311
|
1026 uw_Basis_urlifyInt_w_unsafe(ctx, n);
|
adamc@428
|
1027
|
adamc@428
|
1028 return uw_unit_v;
|
adamc@120
|
1029 }
|
adamc@120
|
1030
|
adamc@682
|
1031 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
1032 if (ctx->client != NULL && chn.cli == ctx->client->id) {
|
adamc@682
|
1033 int len;
|
adamc@682
|
1034
|
adamc@682
|
1035 uw_check(ctx, INTS_MAX + 1);
|
adamc@682
|
1036 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
|
adamc@682
|
1037 ctx->page.front += len;
|
adamc@682
|
1038 }
|
adamc@682
|
1039
|
adamc@679
|
1040 return uw_unit_v;
|
adamc@679
|
1041 }
|
adamc@679
|
1042
|
adamc@428
|
1043 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
|
adamc@120
|
1044 int len;
|
adamc@120
|
1045
|
adamc@311
|
1046 uw_check(ctx, FLOATS_MAX);
|
adamc@666
|
1047 sprintf(ctx->page.front, "%g%n", n, &len);
|
adamc@666
|
1048 ctx->page.front += len;
|
adamc@428
|
1049
|
adamc@428
|
1050 return uw_unit_v;
|
adamc@120
|
1051 }
|
adamc@120
|
1052
|
adamc@488
|
1053 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@488
|
1054 return uw_Basis_urlifyInt(ctx, t);
|
adamc@488
|
1055 }
|
adamc@488
|
1056
|
adamc@428
|
1057 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
|
adamc@311
|
1058 uw_check(ctx, strlen(s) * 3);
|
adamc@120
|
1059
|
adamc@120
|
1060 for (; *s; s++) {
|
adamc@120
|
1061 char c = *s;
|
adamc@120
|
1062
|
adamc@120
|
1063 if (c == ' ')
|
adamc@311
|
1064 uw_writec_unsafe(ctx, '+');
|
adamc@120
|
1065 else if (isalnum(c))
|
adamc@311
|
1066 uw_writec_unsafe(ctx, c);
|
adamc@120
|
1067 else {
|
adamc@666
|
1068 sprintf(ctx->page.front, "%%%02X", c);
|
adamc@666
|
1069 ctx->page.front += 3;
|
adamc@120
|
1070 }
|
adamc@120
|
1071 }
|
adamc@428
|
1072
|
adamc@428
|
1073 return uw_unit_v;
|
adamc@120
|
1074 }
|
adamc@120
|
1075
|
adamc@428
|
1076 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1077 if (b == uw_Basis_False)
|
adamc@311
|
1078 uw_writec(ctx, '0');
|
adamc@186
|
1079 else
|
adamc@311
|
1080 uw_writec(ctx, '1');
|
adamc@428
|
1081
|
adamc@428
|
1082 return uw_unit_v;
|
adamc@186
|
1083 }
|
adamc@186
|
1084
|
adamc@120
|
1085
|
adamc@311
|
1086 static char *uw_unurlify_advance(char *s) {
|
adamc@144
|
1087 char *new_s = strchr(s, '/');
|
adamc@120
|
1088
|
adamc@120
|
1089 if (new_s)
|
adamc@120
|
1090 *new_s++ = 0;
|
adamc@120
|
1091 else
|
adamc@144
|
1092 new_s = strchr(s, 0);
|
adamc@144
|
1093
|
adamc@144
|
1094 return new_s;
|
adamc@144
|
1095 }
|
adamc@144
|
1096
|
adamc@311
|
1097 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
|
adamc@311
|
1098 char *new_s = uw_unurlify_advance(*s);
|
adamc@311
|
1099 uw_Basis_int r;
|
adamc@120
|
1100
|
adamc@276
|
1101 r = atoll(*s);
|
adamc@120
|
1102 *s = new_s;
|
adamc@120
|
1103 return r;
|
adamc@120
|
1104 }
|
adamc@120
|
1105
|
adamc@311
|
1106 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
|
adamc@311
|
1107 char *new_s = uw_unurlify_advance(*s);
|
adamc@311
|
1108 uw_Basis_float r;
|
adamc@120
|
1109
|
adamc@120
|
1110 r = atof(*s);
|
adamc@120
|
1111 *s = new_s;
|
adamc@120
|
1112 return r;
|
adamc@120
|
1113 }
|
adamc@120
|
1114
|
adamc@488
|
1115 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
|
adamc@488
|
1116 return uw_Basis_unurlifyInt(ctx, s);
|
adamc@488
|
1117 }
|
adamc@488
|
1118
|
adamc@311
|
1119 static uw_Basis_string uw_unurlifyString_to(uw_context ctx, char *r, char *s) {
|
adamc@144
|
1120 char *s1, *s2;
|
adamc@144
|
1121 int n;
|
adamc@136
|
1122
|
adamc@144
|
1123 for (s1 = r, s2 = s; *s2; ++s1, ++s2) {
|
adamc@136
|
1124 char c = *s2;
|
adamc@136
|
1125
|
adamc@136
|
1126 switch (c) {
|
adamc@136
|
1127 case '+':
|
adamc@136
|
1128 *s1 = ' ';
|
adamc@136
|
1129 break;
|
adamc@136
|
1130 case '%':
|
adamc@169
|
1131 if (s2[1] == 0)
|
adamc@311
|
1132 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
|
adamc@169
|
1133 if (s2[2] == 0)
|
adamc@311
|
1134 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
|
adamc@169
|
1135 if (sscanf(s2+1, "%02X", &n) != 1)
|
adamc@311
|
1136 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
|
adamc@136
|
1137 *s1 = n;
|
adamc@136
|
1138 s2 += 2;
|
adamc@136
|
1139 break;
|
adamc@136
|
1140 default:
|
adamc@136
|
1141 *s1 = c;
|
adamc@136
|
1142 }
|
adamc@136
|
1143 }
|
adamc@136
|
1144 *s1++ = 0;
|
adamc@144
|
1145 return s1;
|
adamc@144
|
1146 }
|
adamc@144
|
1147
|
adamc@311
|
1148 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
|
adamc@311
|
1149 char *new_s = uw_unurlify_advance(*s);
|
adamc@311
|
1150 uw_Basis_bool r;
|
adamc@186
|
1151
|
adamc@186
|
1152 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
|
adamc@311
|
1153 r = uw_Basis_False;
|
adamc@186
|
1154 else
|
adamc@311
|
1155 r = uw_Basis_True;
|
adamc@186
|
1156
|
adamc@186
|
1157 *s = new_s;
|
adamc@186
|
1158 return r;
|
adamc@186
|
1159 }
|
adamc@186
|
1160
|
adamc@311
|
1161 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
|
adamc@311
|
1162 char *new_s = uw_unurlify_advance(*s);
|
adamc@144
|
1163 char *r, *s1, *s2;
|
adamc@144
|
1164 int len, n;
|
adamc@144
|
1165
|
adamc@200
|
1166 len = strlen(*s);
|
adamc@311
|
1167 uw_check_heap(ctx, len + 1);
|
adamc@144
|
1168
|
adamc@666
|
1169 r = ctx->heap.front;
|
adamc@666
|
1170 ctx->heap.front = uw_unurlifyString_to(ctx, ctx->heap.front, *s);
|
adamc@136
|
1171 *s = new_s;
|
adamc@136
|
1172 return r;
|
adamc@120
|
1173 }
|
adamc@135
|
1174
|
adamc@135
|
1175
|
adamc@311
|
1176 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@286
|
1177 int len;
|
adamc@286
|
1178 char *r;
|
adamc@286
|
1179
|
adamc@311
|
1180 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
1181 r = ctx->heap.front;
|
adamc@286
|
1182 sprintf(r, "%lld%n", n, &len);
|
adamc@666
|
1183 ctx->heap.front += len+1;
|
adamc@286
|
1184 return r;
|
adamc@286
|
1185 }
|
adamc@286
|
1186
|
adamc@428
|
1187 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
|
adamc@286
|
1188 int len;
|
adamc@286
|
1189
|
adamc@311
|
1190 uw_check(ctx, INTS_MAX);
|
adamc@666
|
1191 sprintf(ctx->page.front, "%lld%n", n, &len);
|
adamc@666
|
1192 ctx->page.front += len;
|
adamc@428
|
1193
|
adamc@428
|
1194 return uw_unit_v;
|
adamc@286
|
1195 }
|
adamc@286
|
1196
|
adamc@311
|
1197 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@286
|
1198 int len;
|
adamc@286
|
1199 char *r;
|
adamc@286
|
1200
|
adamc@311
|
1201 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
1202 r = ctx->heap.front;
|
adamc@286
|
1203 sprintf(r, "%g%n", n, &len);
|
adamc@666
|
1204 ctx->heap.front += len+1;
|
adamc@286
|
1205 return r;
|
adamc@286
|
1206 }
|
adamc@286
|
1207
|
adamc@428
|
1208 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
|
adamc@286
|
1209 int len;
|
adamc@286
|
1210
|
adamc@311
|
1211 uw_check(ctx, FLOATS_MAX);
|
adamc@666
|
1212 sprintf(ctx->page.front, "%g%n", n, &len);
|
adamc@666
|
1213 ctx->page.front += len;
|
adamc@428
|
1214
|
adamc@428
|
1215 return uw_unit_v;
|
adamc@286
|
1216 }
|
adamc@286
|
1217
|
adamc@311
|
1218 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@137
|
1219 char *r, *s2;
|
adamc@137
|
1220
|
adamc@311
|
1221 uw_check_heap(ctx, strlen(s) * 5 + 1);
|
adamc@137
|
1222
|
adamc@666
|
1223 for (r = s2 = ctx->heap.front; *s; s++) {
|
adamc@137
|
1224 char c = *s;
|
adamc@137
|
1225
|
adamc@137
|
1226 switch (c) {
|
adamc@137
|
1227 case '<':
|
adamc@137
|
1228 strcpy(s2, "<");
|
adamc@137
|
1229 s2 += 4;
|
adamc@137
|
1230 break;
|
adamc@137
|
1231 case '&':
|
adamc@137
|
1232 strcpy(s2, "&");
|
adamc@137
|
1233 s2 += 5;
|
adamc@137
|
1234 break;
|
adamc@137
|
1235 default:
|
adamc@137
|
1236 if (isprint(c))
|
adamc@137
|
1237 *s2++ = c;
|
adamc@137
|
1238 else {
|
adamc@137
|
1239 int len2;
|
adamc@137
|
1240 sprintf(s2, "&#%d;%n", c, &len2);
|
adamc@137
|
1241 s2 += len2;
|
adamc@137
|
1242 }
|
adamc@137
|
1243 }
|
adamc@137
|
1244 }
|
adamc@137
|
1245
|
adamc@137
|
1246 *s2++ = 0;
|
adamc@666
|
1247 ctx->heap.front = s2;
|
adamc@137
|
1248 return r;
|
adamc@135
|
1249 }
|
adamc@135
|
1250
|
adamc@428
|
1251 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
|
adamc@321
|
1252 uw_check(ctx, strlen(s) * 6);
|
adamc@135
|
1253
|
adamc@135
|
1254 for (; *s; s++) {
|
adamc@135
|
1255 char c = *s;
|
adamc@135
|
1256
|
adamc@135
|
1257 switch (c) {
|
adamc@135
|
1258 case '<':
|
adamc@311
|
1259 uw_write_unsafe(ctx, "<");
|
adamc@135
|
1260 break;
|
adamc@135
|
1261 case '&':
|
adamc@311
|
1262 uw_write_unsafe(ctx, "&");
|
adamc@135
|
1263 break;
|
adamc@135
|
1264 default:
|
adamc@135
|
1265 if (isprint(c))
|
adamc@311
|
1266 uw_writec_unsafe(ctx, c);
|
adamc@135
|
1267 else {
|
adamc@311
|
1268 uw_write_unsafe(ctx, "&#");
|
adamc@311
|
1269 uw_Basis_attrifyInt_w_unsafe(ctx, c);
|
adamc@311
|
1270 uw_writec_unsafe(ctx, ';');
|
adamc@135
|
1271 }
|
adamc@135
|
1272 }
|
adamc@135
|
1273 }
|
adamc@428
|
1274
|
adamc@428
|
1275 return uw_unit_v;
|
adamc@135
|
1276 }
|
adamc@180
|
1277
|
adamc@311
|
1278 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1279 if (b == uw_Basis_False)
|
adamc@286
|
1280 return "False";
|
adamc@286
|
1281 else
|
adamc@286
|
1282 return "True";
|
adamc@286
|
1283 }
|
adamc@286
|
1284
|
adamc@428
|
1285 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1286 if (b == uw_Basis_False) {
|
adamc@311
|
1287 uw_check(ctx, 6);
|
adamc@666
|
1288 strcpy(ctx->page.front, "False");
|
adamc@666
|
1289 ctx->page.front += 5;
|
adamc@286
|
1290 } else {
|
adamc@311
|
1291 uw_check(ctx, 5);
|
adamc@666
|
1292 strcpy(ctx->page.front, "True");
|
adamc@666
|
1293 ctx->page.front += 4;
|
adamc@286
|
1294 }
|
adamc@428
|
1295
|
adamc@428
|
1296 return uw_unit_v;
|
adamc@286
|
1297 }
|
adamc@286
|
1298
|
adamc@436
|
1299 #define TIME_FMT "%x %X"
|
adamc@438
|
1300 #define TIME_FMT_PG "%Y-%m-%d %T"
|
adamc@436
|
1301
|
adamc@436
|
1302 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@436
|
1303 size_t len;
|
adamc@436
|
1304 char *r;
|
adamc@436
|
1305 struct tm stm;
|
adamc@436
|
1306
|
adamc@436
|
1307 if (localtime_r(&t, &stm)) {
|
adamc@436
|
1308 uw_check_heap(ctx, TIMES_MAX);
|
adamc@666
|
1309 r = ctx->heap.front;
|
adamc@436
|
1310 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1311 ctx->heap.front += len+1;
|
adamc@436
|
1312 return r;
|
adamc@436
|
1313 } else
|
adamc@436
|
1314 return "<i>Invalid time</i>";
|
adamc@436
|
1315 }
|
adamc@436
|
1316
|
adamc@436
|
1317 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
|
adamc@436
|
1318 size_t len;
|
adamc@436
|
1319 char *r;
|
adamc@436
|
1320 struct tm stm;
|
adamc@436
|
1321
|
adamc@436
|
1322 if (localtime_r(&t, &stm)) {
|
adamc@436
|
1323 uw_check(ctx, TIMES_MAX);
|
adamc@666
|
1324 r = ctx->page.front;
|
adamc@436
|
1325 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1326 ctx->page.front += len;
|
adamc@436
|
1327 } else {
|
adamc@436
|
1328 uw_check(ctx, 20);
|
adamc@666
|
1329 strcpy(ctx->page.front, "<i>Invalid time</i>");
|
adamc@666
|
1330 ctx->page.front += 19;
|
adamc@436
|
1331 }
|
adamc@436
|
1332
|
adamc@436
|
1333 return uw_unit_v;
|
adamc@436
|
1334 }
|
adamc@436
|
1335
|
adamc@311
|
1336 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
|
adamc@180
|
1337 int len = strlen(s1) + strlen(s2) + 1;
|
adamc@180
|
1338 char *s;
|
adamc@180
|
1339
|
adamc@311
|
1340 uw_check_heap(ctx, len);
|
adamc@180
|
1341
|
adamc@666
|
1342 s = ctx->heap.front;
|
adamc@180
|
1343
|
adamc@180
|
1344 strcpy(s, s1);
|
adamc@180
|
1345 strcat(s, s2);
|
adamc@666
|
1346 ctx->heap.front += len;
|
adamc@180
|
1347
|
adamc@180
|
1348 return s;
|
adamc@180
|
1349 }
|
adamc@278
|
1350
|
adamc@311
|
1351 uw_Basis_string uw_Basis_strdup(uw_context ctx, uw_Basis_string s1) {
|
adamc@278
|
1352 int len = strlen(s1) + 1;
|
adamc@278
|
1353 char *s;
|
adamc@278
|
1354
|
adamc@311
|
1355 uw_check_heap(ctx, len);
|
adamc@278
|
1356
|
adamc@666
|
1357 s = ctx->heap.front;
|
adamc@278
|
1358
|
adamc@278
|
1359 strcpy(s, s1);
|
adamc@666
|
1360 ctx->heap.front += len;
|
adamc@278
|
1361
|
adamc@278
|
1362 return s;
|
adamc@278
|
1363 }
|
adamc@280
|
1364
|
adamc@493
|
1365 uw_Basis_string uw_Basis_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
|
adamc@493
|
1366 if (s1)
|
adamc@493
|
1367 return uw_Basis_strdup(ctx, s1);
|
adamc@493
|
1368 else
|
adamc@493
|
1369 return NULL;
|
adamc@493
|
1370 }
|
adamc@493
|
1371
|
adamc@280
|
1372
|
adamc@311
|
1373 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@281
|
1374 int len;
|
adamc@281
|
1375 char *r;
|
adamc@281
|
1376
|
adamc@311
|
1377 uw_check_heap(ctx, INTS_MAX + 6);
|
adamc@666
|
1378 r = ctx->heap.front;
|
adamc@281
|
1379 sprintf(r, "%lld::int8%n", n, &len);
|
adamc@666
|
1380 ctx->heap.front += len+1;
|
adamc@281
|
1381 return r;
|
adamc@281
|
1382 }
|
adamc@281
|
1383
|
adamc@467
|
1384 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
|
adamc@467
|
1385 if (n == NULL)
|
adamc@467
|
1386 return "NULL";
|
adamc@467
|
1387 else
|
adamc@467
|
1388 return uw_Basis_sqlifyInt(ctx, *n);
|
adamc@467
|
1389 }
|
adamc@467
|
1390
|
adamc@311
|
1391 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@281
|
1392 int len;
|
adamc@281
|
1393 char *r;
|
adamc@281
|
1394
|
adamc@311
|
1395 uw_check_heap(ctx, FLOATS_MAX + 8);
|
adamc@666
|
1396 r = ctx->heap.front;
|
adamc@281
|
1397 sprintf(r, "%g::float8%n", n, &len);
|
adamc@666
|
1398 ctx->heap.front += len+1;
|
adamc@281
|
1399 return r;
|
adamc@281
|
1400 }
|
adamc@281
|
1401
|
adamc@467
|
1402 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
|
adamc@467
|
1403 if (n == NULL)
|
adamc@467
|
1404 return "NULL";
|
adamc@467
|
1405 else
|
adamc@467
|
1406 return uw_Basis_sqlifyFloat(ctx, *n);
|
adamc@467
|
1407 }
|
adamc@467
|
1408
|
adamc@281
|
1409
|
adamc@311
|
1410 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@280
|
1411 char *r, *s2;
|
adamc@280
|
1412
|
adamc@311
|
1413 uw_check_heap(ctx, strlen(s) * 2 + 10);
|
adamc@280
|
1414
|
adamc@666
|
1415 r = s2 = ctx->heap.front;
|
adamc@280
|
1416 *s2++ = 'E';
|
adamc@280
|
1417 *s2++ = '\'';
|
adamc@280
|
1418
|
adamc@280
|
1419 for (; *s; s++) {
|
adamc@280
|
1420 char c = *s;
|
adamc@280
|
1421
|
adamc@280
|
1422 switch (c) {
|
adamc@280
|
1423 case '\'':
|
adamc@280
|
1424 strcpy(s2, "\\'");
|
adamc@280
|
1425 s2 += 2;
|
adamc@280
|
1426 break;
|
adamc@280
|
1427 case '\\':
|
adamc@280
|
1428 strcpy(s2, "\\\\");
|
adamc@280
|
1429 s2 += 2;
|
adamc@280
|
1430 break;
|
adamc@280
|
1431 default:
|
adamc@280
|
1432 if (isprint(c))
|
adamc@280
|
1433 *s2++ = c;
|
adamc@280
|
1434 else {
|
adamc@280
|
1435 sprintf(s2, "\\%3o", c);
|
adamc@280
|
1436 s2 += 4;
|
adamc@280
|
1437 }
|
adamc@280
|
1438 }
|
adamc@280
|
1439 }
|
adamc@280
|
1440
|
adamc@281
|
1441 strcpy(s2, "'::text");
|
adamc@666
|
1442 ctx->heap.front = s2 + 8;
|
adamc@280
|
1443 return r;
|
adamc@280
|
1444 }
|
adamc@281
|
1445
|
adamc@682
|
1446 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
1447 int len;
|
adamc@682
|
1448 char *r;
|
adamc@682
|
1449 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
|
adamc@682
|
1450
|
adamc@682
|
1451 uw_check_heap(ctx, INTS_MAX + 7);
|
adamc@682
|
1452 r = ctx->heap.front;
|
adamc@682
|
1453 sprintf(r, "%lld::int8%n", combo, &len);
|
adamc@682
|
1454 ctx->heap.front += len+1;
|
adamc@682
|
1455 return r;
|
adamc@682
|
1456 }
|
adamc@682
|
1457
|
adamc@682
|
1458 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
1459 int len;
|
adamc@682
|
1460 char *r;
|
adamc@682
|
1461 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
|
adamc@682
|
1462
|
adamc@682
|
1463 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
1464 r = ctx->heap.front;
|
adamc@682
|
1465 sprintf(r, "%lld%n", combo, &len);
|
adamc@682
|
1466 ctx->heap.front += len+1;
|
adamc@682
|
1467 return r;
|
adamc@682
|
1468 }
|
adamc@682
|
1469
|
adamc@682
|
1470 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
|
adamc@682
|
1471 int len;
|
adamc@682
|
1472 char *r;
|
adamc@682
|
1473
|
adamc@682
|
1474 uw_check_heap(ctx, INTS_MAX + 7);
|
adamc@682
|
1475 r = ctx->heap.front;
|
adamc@682
|
1476 sprintf(r, "%u::int4%n", cli, &len);
|
adamc@682
|
1477 ctx->heap.front += len+1;
|
adamc@682
|
1478 return r;
|
adamc@682
|
1479 }
|
adamc@682
|
1480
|
adamc@682
|
1481 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
|
adamc@682
|
1482 int len;
|
adamc@682
|
1483 char *r;
|
adamc@682
|
1484
|
adamc@682
|
1485 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
1486 r = ctx->heap.front;
|
adamc@682
|
1487 sprintf(r, "%u%n", cli, &len);
|
adamc@682
|
1488 ctx->heap.front += len+1;
|
adamc@682
|
1489 return r;
|
adamc@682
|
1490 }
|
adamc@682
|
1491
|
adamc@467
|
1492 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
|
adamc@467
|
1493 if (s == NULL)
|
adamc@467
|
1494 return "NULL";
|
adamc@467
|
1495 else
|
adamc@467
|
1496 return uw_Basis_sqlifyString(ctx, s);
|
adamc@467
|
1497 }
|
adamc@467
|
1498
|
adamc@311
|
1499 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1500 if (b == uw_Basis_False)
|
adamc@281
|
1501 return "FALSE";
|
adamc@281
|
1502 else
|
adamc@281
|
1503 return "TRUE";
|
adamc@281
|
1504 }
|
adamc@282
|
1505
|
adamc@467
|
1506 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
|
adamc@467
|
1507 if (b == NULL)
|
adamc@467
|
1508 return "NULL";
|
adamc@467
|
1509 else
|
adamc@467
|
1510 return uw_Basis_sqlifyBool(ctx, *b);
|
adamc@467
|
1511 }
|
adamc@467
|
1512
|
adamc@439
|
1513 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@439
|
1514 size_t len;
|
adamc@682
|
1515 char *r, *s;
|
adamc@682
|
1516 struct tm stm;
|
adamc@682
|
1517
|
adamc@682
|
1518 if (localtime_r(&t, &stm)) {
|
adamc@682
|
1519 s = uw_malloc(ctx, TIMES_MAX);
|
adamc@682
|
1520 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
|
adamc@682
|
1521 r = uw_malloc(ctx, len + 14);
|
adamc@682
|
1522 sprintf(r, "'%s'::timestamp", s);
|
adamc@682
|
1523 return r;
|
adamc@682
|
1524 } else
|
adamc@682
|
1525 return "<Invalid time>";
|
adamc@682
|
1526 }
|
adamc@682
|
1527
|
adamc@682
|
1528 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@682
|
1529 size_t len;
|
adamc@439
|
1530 char *r;
|
adamc@439
|
1531 struct tm stm;
|
adamc@439
|
1532
|
adamc@439
|
1533 if (localtime_r(&t, &stm)) {
|
adamc@439
|
1534 uw_check_heap(ctx, TIMES_MAX);
|
adamc@666
|
1535 r = ctx->heap.front;
|
adamc@439
|
1536 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1537 ctx->heap.front += len+1;
|
adamc@439
|
1538 return r;
|
adamc@439
|
1539 } else
|
adamc@439
|
1540 return "<Invalid time>";
|
adamc@439
|
1541 }
|
adamc@439
|
1542
|
adamc@467
|
1543 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
|
adamc@467
|
1544 if (t == NULL)
|
adamc@467
|
1545 return "NULL";
|
adamc@467
|
1546 else
|
adamc@467
|
1547 return uw_Basis_sqlifyTime(ctx, *t);
|
adamc@467
|
1548 }
|
adamc@467
|
1549
|
adamc@311
|
1550 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
|
adamc@311
|
1551 static uw_Basis_int true = 1;
|
adamc@311
|
1552 static uw_Basis_int false = 0;
|
adamc@282
|
1553
|
adamc@311
|
1554 if (b == uw_Basis_False)
|
adamc@282
|
1555 return (char *)&false;
|
adamc@282
|
1556 else
|
adamc@282
|
1557 return (char *)&true;
|
adamc@282
|
1558 }
|
adamc@284
|
1559
|
adamc@311
|
1560 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
|
adamc@284
|
1561 int len;
|
adamc@284
|
1562 char *r;
|
adamc@284
|
1563
|
adamc@311
|
1564 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
1565 r = ctx->heap.front;
|
adamc@284
|
1566 sprintf(r, "%lld%n", n, &len);
|
adamc@666
|
1567 ctx->heap.front += len+1;
|
adamc@284
|
1568 return r;
|
adamc@284
|
1569 }
|
adamc@285
|
1570
|
adamc@311
|
1571 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
|
adamc@285
|
1572 int len;
|
adamc@285
|
1573 char *r;
|
adamc@285
|
1574
|
adamc@311
|
1575 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
1576 r = ctx->heap.front;
|
adamc@285
|
1577 sprintf(r, "%g%n", n, &len);
|
adamc@666
|
1578 ctx->heap.front += len+1;
|
adamc@285
|
1579 return r;
|
adamc@285
|
1580 }
|
adamc@285
|
1581
|
adamc@311
|
1582 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1583 if (b == uw_Basis_False)
|
adamc@285
|
1584 return "False";
|
adamc@285
|
1585 else
|
adamc@285
|
1586 return "True";
|
adamc@285
|
1587 }
|
adamc@288
|
1588
|
adamc@436
|
1589 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
|
adamc@436
|
1590 size_t len;
|
adamc@436
|
1591 char *r;
|
adamc@436
|
1592 struct tm stm;
|
adamc@436
|
1593
|
adamc@436
|
1594 if (localtime_r(&t, &stm)) {
|
adamc@436
|
1595 uw_check_heap(ctx, TIMES_MAX);
|
adamc@666
|
1596 r = ctx->heap.front;
|
adamc@436
|
1597 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1598 ctx->heap.front += len+1;
|
adamc@436
|
1599 return r;
|
adamc@436
|
1600 } else
|
adamc@436
|
1601 return "<Invalid time>";
|
adamc@436
|
1602 }
|
adamc@288
|
1603
|
adamc@311
|
1604 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
|
adamc@288
|
1605 char *endptr;
|
adamc@311
|
1606 uw_Basis_int n = strtoll(s, &endptr, 10);
|
adamc@288
|
1607
|
adamc@288
|
1608 if (*s != '\0' && *endptr == '\0') {
|
adamc@311
|
1609 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
|
adamc@288
|
1610 *r = n;
|
adamc@288
|
1611 return r;
|
adamc@288
|
1612 } else
|
adamc@288
|
1613 return NULL;
|
adamc@288
|
1614 }
|
adamc@289
|
1615
|
adamc@311
|
1616 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
|
adamc@289
|
1617 char *endptr;
|
adamc@311
|
1618 uw_Basis_float n = strtod(s, &endptr);
|
adamc@289
|
1619
|
adamc@289
|
1620 if (*s != '\0' && *endptr == '\0') {
|
adamc@311
|
1621 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
|
adamc@289
|
1622 *r = n;
|
adamc@289
|
1623 return r;
|
adamc@289
|
1624 } else
|
adamc@289
|
1625 return NULL;
|
adamc@289
|
1626 }
|
adamc@289
|
1627
|
adamc@311
|
1628 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
|
adamc@311
|
1629 static uw_Basis_bool true = uw_Basis_True;
|
adamc@311
|
1630 static uw_Basis_bool false = uw_Basis_False;
|
adamc@289
|
1631
|
adamc@289
|
1632 if (!strcasecmp (s, "True"))
|
adamc@289
|
1633 return &true;
|
adamc@289
|
1634 else if (!strcasecmp (s, "False"))
|
adamc@289
|
1635 return &false;
|
adamc@289
|
1636 else
|
adamc@289
|
1637 return NULL;
|
adamc@289
|
1638 }
|
adamc@292
|
1639
|
adamc@436
|
1640 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
|
adamc@438
|
1641 char *dot = strchr(s, '.'), *end = strchr(s, 0);
|
adamc@436
|
1642 struct tm stm;
|
adamc@436
|
1643
|
adamc@439
|
1644 if (dot) {
|
adamc@439
|
1645 *dot = 0;
|
adamc@439
|
1646 if (strptime(s, TIME_FMT_PG, &stm) == end) {
|
adamc@439
|
1647 *dot = '.';
|
adamc@439
|
1648 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
|
adamc@439
|
1649 *r = mktime(&stm);
|
adamc@439
|
1650 return r;
|
adamc@439
|
1651 }
|
adamc@439
|
1652 else {
|
adamc@439
|
1653 *dot = '.';
|
adamc@439
|
1654 return NULL;
|
adamc@439
|
1655 }
|
adamc@436
|
1656 }
|
adamc@439
|
1657 else {
|
adamc@439
|
1658 if (strptime(s, TIME_FMT_PG, &stm) == end) {
|
adamc@439
|
1659 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
|
adamc@439
|
1660 *r = mktime(&stm);
|
adamc@439
|
1661 return r;
|
adamc@439
|
1662 }
|
adamc@439
|
1663 else if (strptime(s, TIME_FMT, &stm) == end) {
|
adamc@439
|
1664 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
|
adamc@439
|
1665 *r = mktime(&stm);
|
adamc@439
|
1666 return r;
|
adamc@439
|
1667 }
|
adamc@439
|
1668 else
|
adamc@439
|
1669 return NULL;
|
adamc@439
|
1670 }
|
adamc@436
|
1671 }
|
adamc@436
|
1672
|
adamc@311
|
1673 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
|
adamc@292
|
1674 char *endptr;
|
adamc@311
|
1675 uw_Basis_int n = strtoll(s, &endptr, 10);
|
adamc@292
|
1676
|
adamc@292
|
1677 if (*s != '\0' && *endptr == '\0')
|
adamc@292
|
1678 return n;
|
adamc@292
|
1679 else
|
adamc@311
|
1680 uw_error(ctx, FATAL, "Can't parse int: %s", s);
|
adamc@292
|
1681 }
|
adamc@293
|
1682
|
adamc@682
|
1683 #include <errno.h>
|
adamc@682
|
1684
|
adamc@678
|
1685 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
|
adamc@682
|
1686 unsigned long long n;
|
adamc@682
|
1687
|
adamc@682
|
1688 if (sscanf(s, "%llu", &n) < 1)
|
adamc@682
|
1689 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
|
adamc@682
|
1690 else {
|
adamc@682
|
1691 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
|
adamc@682
|
1692 return ch;
|
adamc@682
|
1693 }
|
adamc@682
|
1694 }
|
adamc@682
|
1695
|
adamc@682
|
1696 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
|
adamc@678
|
1697 char *endptr;
|
adamc@682
|
1698 unsigned long n = strtoul(s, &endptr, 10);
|
adamc@678
|
1699
|
adamc@678
|
1700 if (*s != '\0' && *endptr == '\0')
|
adamc@678
|
1701 return n;
|
adamc@678
|
1702 else
|
adamc@682
|
1703 uw_error(ctx, FATAL, "Can't parse client: %s", s);
|
adamc@678
|
1704 }
|
adamc@678
|
1705
|
adamc@311
|
1706 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
|
adamc@293
|
1707 char *endptr;
|
adamc@311
|
1708 uw_Basis_float n = strtod(s, &endptr);
|
adamc@293
|
1709
|
adamc@293
|
1710 if (*s != '\0' && *endptr == '\0')
|
adamc@293
|
1711 return n;
|
adamc@293
|
1712 else
|
adamc@311
|
1713 uw_error(ctx, FATAL, "Can't parse float: %s", s);
|
adamc@293
|
1714 }
|
adamc@293
|
1715
|
adamc@311
|
1716 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
|
adamc@296
|
1717 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
|
adamc@311
|
1718 return uw_Basis_True;
|
adamc@296
|
1719 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
|
adamc@311
|
1720 return uw_Basis_False;
|
adamc@293
|
1721 else
|
adamc@311
|
1722 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
|
adamc@293
|
1723 }
|
adamc@436
|
1724
|
adamc@436
|
1725 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
|
adamc@438
|
1726 char *dot = strchr(s, '.'), *end = strchr(s, 0);
|
adamc@436
|
1727 struct tm stm = {};
|
adamc@436
|
1728
|
adamc@438
|
1729 if (dot) {
|
adamc@438
|
1730 *dot = 0;
|
adamc@438
|
1731 if (strptime(s, TIME_FMT_PG, &stm)) {
|
adamc@438
|
1732 *dot = '.';
|
adamc@438
|
1733 return mktime(&stm);
|
adamc@438
|
1734 }
|
adamc@438
|
1735 else {
|
adamc@438
|
1736 *dot = '.';
|
adamc@438
|
1737 uw_error(ctx, FATAL, "Can't parse time: %s", s);
|
adamc@438
|
1738 }
|
adamc@438
|
1739 }
|
adamc@438
|
1740 else {
|
adamc@439
|
1741 if (strptime(s, TIME_FMT_PG, &stm) == end)
|
adamc@439
|
1742 return mktime(&stm);
|
adamc@439
|
1743 else if (strptime(s, TIME_FMT, &stm) == end)
|
adamc@438
|
1744 return mktime(&stm);
|
adamc@438
|
1745 else
|
adamc@438
|
1746 uw_error(ctx, FATAL, "Can't parse time: %s", s);
|
adamc@438
|
1747 }
|
adamc@436
|
1748 }
|
adamc@457
|
1749
|
adamc@463
|
1750 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
|
adamc@463
|
1751 int len = strlen(c);
|
adamc@666
|
1752 char *s = ctx->headers, *p = ctx->outHeaders.start;
|
adamc@474
|
1753
|
adamc@474
|
1754 while (p = strstr(p, "\nSet-Cookie: ")) {
|
adamc@474
|
1755 char *p2;
|
adamc@474
|
1756 p += 13;
|
adamc@474
|
1757 p2 = strchr(p, '=');
|
adamc@474
|
1758
|
adamc@474
|
1759 if (p2) {
|
adamc@474
|
1760 size_t sz = strcspn(p2+1, ";\r\n");
|
adamc@474
|
1761
|
adamc@474
|
1762 if (!strncasecmp(p, c, p2 - p)) {
|
adamc@474
|
1763 char *ret = uw_malloc(ctx, sz + 1);
|
adamc@474
|
1764 memcpy(ret, p2+1, sz);
|
adamc@474
|
1765 ret[sz] = 0;
|
adamc@474
|
1766 return ret;
|
adamc@474
|
1767 }
|
adamc@474
|
1768 }
|
adamc@474
|
1769 }
|
adamc@463
|
1770
|
adamc@463
|
1771 while (p = strchr(s, ':')) {
|
adamc@476
|
1772 if (!strncasecmp(s, "Cookie: ", 8)) {
|
adamc@476
|
1773 p += 2;
|
adamc@476
|
1774 while (1) {
|
adamc@476
|
1775 if (!strncmp(p, c, len)
|
adamc@476
|
1776 && p + len < ctx->headers_end && p[len] == '=')
|
adamc@476
|
1777 return p + 1 + len;
|
adamc@476
|
1778 else if (p = strchr(p, ';'))
|
adamc@476
|
1779 p += 2;
|
adamc@476
|
1780 else if ((s = strchr(s, 0)) && s < ctx->headers_end) {
|
adamc@476
|
1781 s += 2;
|
adamc@476
|
1782 break;
|
adamc@476
|
1783 }
|
adamc@476
|
1784 else
|
adamc@476
|
1785 return NULL;
|
adamc@476
|
1786 }
|
adamc@463
|
1787 } else {
|
adamc@463
|
1788 if ((s = strchr(p, 0)) && s < ctx->headers_end)
|
adamc@463
|
1789 s += 2;
|
adamc@463
|
1790 else
|
adamc@463
|
1791 return NULL;
|
adamc@463
|
1792 }
|
adamc@463
|
1793 }
|
adamc@457
|
1794 }
|
adamc@462
|
1795
|
adamc@466
|
1796 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
|
adamc@462
|
1797 uw_write_header(ctx, "Set-Cookie: ");
|
adamc@462
|
1798 uw_write_header(ctx, c);
|
adamc@462
|
1799 uw_write_header(ctx, "=");
|
adamc@462
|
1800 uw_write_header(ctx, v);
|
adamc@466
|
1801 uw_write_header(ctx, "; path=");
|
adamc@466
|
1802 uw_write_header(ctx, prefix);
|
adamc@462
|
1803 uw_write_header(ctx, "\r\n");
|
adamc@462
|
1804
|
adamc@462
|
1805 return uw_unit_v;
|
adamc@462
|
1806 }
|
adamc@667
|
1807
|
adamc@682
|
1808 static delta *allocate_delta(uw_context ctx, unsigned client) {
|
adamc@682
|
1809 unsigned i;
|
adamc@682
|
1810 delta *d;
|
adamc@671
|
1811
|
adamc@682
|
1812 for (i = 0; i < ctx->used_deltas; ++i)
|
adamc@682
|
1813 if (ctx->deltas[i].client == client)
|
adamc@682
|
1814 return &ctx->deltas[i];
|
adamc@671
|
1815
|
adamc@682
|
1816 if (ctx->used_deltas >= ctx->n_deltas) {
|
adamc@682
|
1817 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
|
adamc@682
|
1818 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
|
adamc@682
|
1819 }
|
adamc@671
|
1820
|
adamc@682
|
1821 d = &ctx->deltas[ctx->used_deltas++];
|
adamc@682
|
1822 d->client = client;
|
adamc@682
|
1823 buf_reset(&d->msgs);
|
adamc@682
|
1824 return d;
|
adamc@671
|
1825 }
|
adamc@671
|
1826
|
adamc@668
|
1827 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
|
adamc@682
|
1828 if (ctx->client == NULL)
|
adamc@682
|
1829 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
|
adamc@671
|
1830
|
adamc@682
|
1831 return new_channel(ctx->client);
|
adamc@668
|
1832 }
|
adamc@668
|
1833
|
adamc@668
|
1834 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
|
adamc@682
|
1835 delta *d = allocate_delta(ctx, chn.cli);
|
adamc@682
|
1836 size_t len;
|
adamc@682
|
1837 int preLen;
|
adamc@682
|
1838 char pre[INTS_MAX + 2];
|
adamc@668
|
1839
|
adamc@682
|
1840 len = strlen(msg);
|
adamc@682
|
1841
|
adamc@682
|
1842 sprintf(pre, "%u\n%n", chn.chn, &preLen);
|
adamc@682
|
1843
|
adamc@682
|
1844 buf_append(&d->msgs, pre, preLen);
|
adamc@682
|
1845 buf_append(&d->msgs, msg, len);
|
adamc@682
|
1846 buf_append(&d->msgs, "\n", 1);
|
adamc@671
|
1847
|
adamc@671
|
1848 return uw_unit_v;
|
adamc@668
|
1849 }
|
adamc@671
|
1850
|
adamc@671
|
1851 int uw_db_commit(uw_context);
|
adamc@671
|
1852 int uw_db_rollback(uw_context);
|
adamc@671
|
1853
|
adamc@671
|
1854 void uw_commit(uw_context ctx) {
|
adamc@682
|
1855 unsigned i;
|
adamc@671
|
1856
|
adamc@671
|
1857 if (uw_db_commit(ctx))
|
adamc@671
|
1858 uw_error(ctx, FATAL, "Error running SQL COMMIT");
|
adamc@682
|
1859
|
adamc@682
|
1860 for (i = 0; i < ctx->used_deltas; ++i) {
|
adamc@682
|
1861 delta *d = &ctx->deltas[i];
|
adamc@682
|
1862 client *c = find_client(d->client);
|
adamc@682
|
1863
|
adamc@682
|
1864 assert (c != NULL && c->mode == USED);
|
adamc@682
|
1865
|
adamc@685
|
1866 client_send(c, &d->msgs);
|
adamc@682
|
1867 }
|
adamc@682
|
1868
|
adamc@682
|
1869 if (ctx->client)
|
adamc@685
|
1870 release_client(ctx->client);
|
adamc@671
|
1871 }
|
adamc@671
|
1872
|
adamc@671
|
1873 int uw_rollback(uw_context ctx) {
|
adamc@682
|
1874 if (ctx->client)
|
adamc@685
|
1875 release_client(ctx->client);
|
adamc@671
|
1876
|
adamc@671
|
1877 return uw_db_rollback(ctx);
|
adamc@671
|
1878 }
|
adamc@683
|
1879
|
adamc@683
|
1880
|
adamc@683
|
1881 // "Garbage collection"
|
adamc@683
|
1882
|
adamc@683
|
1883 void uw_expunger(uw_context ctx, uw_Basis_client cli);
|
adamc@683
|
1884
|
adamc@683
|
1885 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
|
adamc@683
|
1886 int r = setjmp(ctx->jmp_buf);
|
adamc@683
|
1887
|
adamc@684
|
1888 if (r == 0) {
|
adamc@684
|
1889 if (uw_db_begin(ctx))
|
adamc@684
|
1890 uw_error(ctx, FATAL, "Error running SQL BEGIN");
|
adamc@683
|
1891 uw_expunger(ctx, cli);
|
adamc@684
|
1892 if (uw_db_commit(ctx))
|
adamc@684
|
1893 uw_error(ctx, FATAL, "Error running SQL COMMIT");
|
adamc@684
|
1894 }
|
adamc@683
|
1895
|
adamc@683
|
1896 return r;
|
adamc@683
|
1897 }
|
adamc@683
|
1898
|
adamc@683
|
1899 void uw_prune_clients(uw_context ctx) {
|
adamc@683
|
1900 client *c, *next, *prev = NULL;
|
adamc@683
|
1901 time_t cutoff;
|
adamc@683
|
1902
|
adamc@683
|
1903 cutoff = time(NULL) - uw_timeout;
|
adamc@683
|
1904
|
adamc@683
|
1905 pthread_mutex_lock(&clients_mutex);
|
adamc@683
|
1906
|
adamc@683
|
1907 for (c = clients_used; c; c = next) {
|
adamc@683
|
1908 next = c->next;
|
adamc@683
|
1909 pthread_mutex_lock(&c->lock);
|
adamc@685
|
1910 if (c->last_contact < cutoff && c->refcount == 0) {
|
adamc@683
|
1911 failure_kind fk = UNLIMITED_RETRY;
|
adamc@683
|
1912 if (prev)
|
adamc@683
|
1913 prev->next = next;
|
adamc@683
|
1914 else
|
adamc@683
|
1915 clients_used = next;
|
adamc@684
|
1916 uw_reset(ctx);
|
adamc@683
|
1917 while (fk == UNLIMITED_RETRY) {
|
adamc@683
|
1918 fk = uw_expunge(ctx, c->id);
|
adamc@684
|
1919 if (fk == UNLIMITED_RETRY) {
|
adamc@684
|
1920 uw_db_rollback(ctx);
|
adamc@684
|
1921 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
|
adamc@683
|
1922 }
|
adamc@683
|
1923 }
|
adamc@684
|
1924 if (fk == SUCCESS)
|
adamc@684
|
1925 free_client(c);
|
adamc@684
|
1926 else {
|
adamc@684
|
1927 uw_db_rollback(ctx);
|
adamc@683
|
1928 printf("Expunge blocked by error: %s\n", uw_error_message(ctx));
|
adamc@684
|
1929 }
|
adamc@683
|
1930 }
|
adamc@683
|
1931 else
|
adamc@683
|
1932 prev = c;
|
adamc@683
|
1933 pthread_mutex_unlock(&c->lock);
|
adamc@683
|
1934 }
|
adamc@683
|
1935
|
adamc@683
|
1936 pthread_mutex_unlock(&clients_mutex);
|
adamc@683
|
1937 }
|
adamc@687
|
1938
|
adamc@687
|
1939 void uw_initializer(uw_context ctx);
|
adamc@687
|
1940
|
adamc@687
|
1941 failure_kind uw_initialize(uw_context ctx) {
|
adamc@687
|
1942 int r = setjmp(ctx->jmp_buf);
|
adamc@687
|
1943
|
adamc@687
|
1944 if (r == 0) {
|
adamc@687
|
1945 if (uw_db_begin(ctx))
|
adamc@687
|
1946 uw_error(ctx, FATAL, "Error running SQL BEGIN");
|
adamc@687
|
1947 uw_initializer(ctx);
|
adamc@687
|
1948 if (uw_db_commit(ctx))
|
adamc@687
|
1949 uw_error(ctx, FATAL, "Error running SQL COMMIT");
|
adamc@687
|
1950 }
|
adamc@687
|
1951
|
adamc@687
|
1952 return r;
|
adamc@687
|
1953 }
|