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
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262
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adamc@668
|
263 clients = malloc(0);
|
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
|
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;
|
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
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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
|
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@693
|
303 int needs_push;
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adamc@693
|
304
|
adamc@682
|
305 size_t n_deltas, used_deltas;
|
adamc@682
|
306 delta *deltas;
|
adamc@671
|
307
|
adamc@673
|
308 int timeout;
|
adamc@673
|
309
|
adamc@682
|
310 client *client;
|
adamc@682
|
311
|
adamc@167
|
312 char error_message[ERROR_BUF_LEN];
|
adamc@117
|
313 };
|
adamc@117
|
314
|
adamc@683
|
315 extern int uw_inputs_len, uw_timeout;
|
adamc@144
|
316
|
adamc@687
|
317 uw_context uw_init() {
|
adamc@311
|
318 uw_context ctx = malloc(sizeof(struct uw_context));
|
adamc@136
|
319
|
adamc@458
|
320 ctx->headers = ctx->headers_end = NULL;
|
adamc@457
|
321
|
adamc@687
|
322 buf_init(&ctx->outHeaders, 0);
|
adamc@687
|
323 buf_init(&ctx->page, 0);
|
adamc@687
|
324 buf_init(&ctx->heap, 0);
|
adamc@687
|
325 buf_init(&ctx->script, 0);
|
adamc@667
|
326 ctx->script.start[0] = 0;
|
adamc@136
|
327
|
adamc@311
|
328 ctx->inputs = calloc(uw_inputs_len, sizeof(char *));
|
adamc@144
|
329
|
adamc@272
|
330 ctx->db = NULL;
|
adamc@272
|
331
|
adamc@323
|
332 ctx->regions = NULL;
|
adamc@323
|
333
|
adamc@425
|
334 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
|
adamc@425
|
335
|
adamc@643
|
336 ctx->script_header = "";
|
adamc@667
|
337 ctx->url_prefix = "/";
|
adamc@693
|
338 ctx->needs_push = 0;
|
adamc@643
|
339
|
adamc@167
|
340 ctx->error_message[0] = 0;
|
adamc@167
|
341
|
adamc@565
|
342 ctx->source_count = 0;
|
adamc@562
|
343
|
adamc@682
|
344 ctx->n_deltas = ctx->used_deltas = 0;
|
adamc@671
|
345 ctx->deltas = malloc(0);
|
adamc@671
|
346
|
adamc@673
|
347 ctx->timeout = uw_timeout;
|
adamc@673
|
348
|
adamc@117
|
349 return ctx;
|
adamc@106
|
350 }
|
adamc@106
|
351
|
adamc@311
|
352 void uw_set_db(uw_context ctx, void *db) {
|
adamc@272
|
353 ctx->db = db;
|
adamc@272
|
354 }
|
adamc@272
|
355
|
adamc@311
|
356 void *uw_get_db(uw_context ctx) {
|
adamc@272
|
357 return ctx->db;
|
adamc@272
|
358 }
|
adamc@272
|
359
|
adamc@311
|
360 void uw_free(uw_context ctx) {
|
adamc@671
|
361 size_t i;
|
adamc@671
|
362
|
adamc@666
|
363 buf_free(&ctx->outHeaders);
|
adamc@666
|
364 buf_free(&ctx->script);
|
adamc@666
|
365 buf_free(&ctx->page);
|
adamc@666
|
366 buf_free(&ctx->heap);
|
adamc@144
|
367 free(ctx->inputs);
|
adamc@425
|
368 free(ctx->cleanup);
|
adamc@671
|
369
|
adamc@682
|
370 for (i = 0; i < ctx->n_deltas; ++i)
|
adamc@671
|
371 buf_free(&ctx->deltas[i].msgs);
|
adamc@671
|
372
|
adamc@136
|
373 free(ctx);
|
adamc@136
|
374 }
|
adamc@136
|
375
|
adamc@562
|
376 void uw_reset_keep_error_message(uw_context ctx) {
|
adamc@666
|
377 buf_reset(&ctx->outHeaders);
|
adamc@666
|
378 buf_reset(&ctx->script);
|
adamc@667
|
379 ctx->script.start[0] = 0;
|
adamc@666
|
380 buf_reset(&ctx->page);
|
adamc@666
|
381 buf_reset(&ctx->heap);
|
adamc@323
|
382 ctx->regions = NULL;
|
adamc@425
|
383 ctx->cleanup_front = ctx->cleanup;
|
adamc@565
|
384 ctx->source_count = 0;
|
adamc@682
|
385 ctx->used_deltas = 0;
|
adamc@682
|
386 ctx->client = NULL;
|
adamc@167
|
387 }
|
adamc@167
|
388
|
adamc@562
|
389 void uw_reset_keep_request(uw_context ctx) {
|
adamc@562
|
390 uw_reset_keep_error_message(ctx);
|
adamc@562
|
391 ctx->error_message[0] = 0;
|
adamc@167
|
392 }
|
adamc@167
|
393
|
adamc@311
|
394 void uw_reset(uw_context ctx) {
|
adamc@311
|
395 uw_reset_keep_request(ctx);
|
adamc@311
|
396 memset(ctx->inputs, 0, uw_inputs_len * sizeof(char *));
|
adamc@144
|
397 }
|
adamc@144
|
398
|
adamc@311
|
399 void uw_db_init(uw_context);
|
adamc@311
|
400 void uw_handle(uw_context, char *);
|
adamc@167
|
401
|
adamc@311
|
402 failure_kind uw_begin_init(uw_context ctx) {
|
adamc@272
|
403 int r = setjmp(ctx->jmp_buf);
|
adamc@272
|
404
|
adamc@272
|
405 if (r == 0)
|
adamc@311
|
406 uw_db_init(ctx);
|
adamc@272
|
407
|
adamc@272
|
408 return r;
|
adamc@272
|
409 }
|
adamc@272
|
410
|
adamc@458
|
411 void uw_set_headers(uw_context ctx, char *headers) {
|
adamc@458
|
412 char *s = headers, *s2;
|
adamc@458
|
413 ctx->headers = headers;
|
adamc@458
|
414
|
adamc@458
|
415 while (s2 = strchr(s, '\r')) {
|
adamc@458
|
416 s = s2;
|
adamc@458
|
417
|
adamc@458
|
418 if (s[1] == 0)
|
adamc@458
|
419 break;
|
adamc@458
|
420
|
adamc@458
|
421 *s = 0;
|
adamc@458
|
422 s += 2;
|
adamc@458
|
423 }
|
adamc@458
|
424
|
adamc@458
|
425 ctx->headers_end = s;
|
adamc@458
|
426 }
|
adamc@458
|
427
|
adamc@671
|
428 int uw_db_begin(uw_context);
|
adamc@167
|
429
|
adamc@311
|
430 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
|
adamc@425
|
431 cleanup *cl;
|
adamc@425
|
432
|
adamc@167
|
433 va_list ap;
|
adamc@167
|
434 va_start(ap, fmt);
|
adamc@167
|
435
|
adamc@167
|
436 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
|
adamc@167
|
437
|
adamc@425
|
438 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
|
adamc@425
|
439 cl->func(cl->arg);
|
adamc@425
|
440
|
adamc@425
|
441 ctx->cleanup_front = ctx->cleanup;
|
adamc@425
|
442
|
adamc@190
|
443 longjmp(ctx->jmp_buf, fk);
|
adamc@167
|
444 }
|
adamc@167
|
445
|
adamc@425
|
446 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
|
adamc@425
|
447 if (ctx->cleanup_front >= ctx->cleanup_back) {
|
adamc@425
|
448 int len = ctx->cleanup_back - ctx->cleanup, newLen;
|
adamc@425
|
449 if (len == 0)
|
adamc@425
|
450 newLen = 1;
|
adamc@425
|
451 else
|
adamc@428
|
452 newLen = len * 2;
|
adamc@470
|
453 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
|
adamc@425
|
454 ctx->cleanup_front = ctx->cleanup + len;
|
adamc@425
|
455 ctx->cleanup_back = ctx->cleanup + newLen;
|
adamc@425
|
456 }
|
adamc@425
|
457
|
adamc@425
|
458 ctx->cleanup_front->func = func;
|
adamc@425
|
459 ctx->cleanup_front->arg = arg;
|
adamc@425
|
460 ++ctx->cleanup_front;
|
adamc@425
|
461 }
|
adamc@425
|
462
|
adamc@682
|
463 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
|
adamc@682
|
464 int len = strlen(h);
|
adamc@682
|
465 char *s = ctx->headers, *p;
|
adamc@682
|
466
|
adamc@682
|
467 while (p = strchr(s, ':')) {
|
adamc@682
|
468 if (p - s == len && !strncasecmp(s, h, len)) {
|
adamc@682
|
469 return p + 2;
|
adamc@682
|
470 } else {
|
adamc@682
|
471 if ((s = strchr(p, 0)) && s < ctx->headers_end)
|
adamc@682
|
472 s += 2;
|
adamc@682
|
473 else
|
adamc@682
|
474 return NULL;
|
adamc@682
|
475 }
|
adamc@682
|
476 }
|
adamc@682
|
477
|
adamc@682
|
478 return NULL;
|
adamc@682
|
479 }
|
adamc@682
|
480
|
adamc@682
|
481 void uw_login(uw_context ctx) {
|
adamc@693
|
482 if (ctx->needs_push) {
|
adamc@682
|
483 char *id_s, *pass_s;
|
adamc@682
|
484
|
adamc@682
|
485 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
|
adamc@682
|
486 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
|
adamc@682
|
487 unsigned id = atoi(id_s);
|
adamc@682
|
488 int pass = atoi(pass_s);
|
adamc@682
|
489 client *c = find_client(id);
|
adamc@682
|
490
|
adamc@682
|
491 if (c == NULL)
|
adamc@682
|
492 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
|
adamc@682
|
493 else {
|
adamc@685
|
494 use_client(c);
|
adamc@682
|
495 ctx->client = c;
|
adamc@682
|
496
|
adamc@682
|
497 if (c->mode != USED)
|
adamc@682
|
498 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
|
adamc@682
|
499 if (c->pass != pass)
|
adamc@682
|
500 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
|
adamc@682
|
501 }
|
adamc@682
|
502 } else {
|
adamc@682
|
503 client *c = new_client();
|
adamc@685
|
504 use_client(c);
|
adamc@682
|
505 ctx->client = c;
|
adamc@682
|
506 }
|
adamc@682
|
507 }
|
adamc@682
|
508 }
|
adamc@682
|
509
|
adamc@671
|
510 failure_kind uw_begin(uw_context ctx, char *path) {
|
adamc@671
|
511 int r = setjmp(ctx->jmp_buf);
|
adamc@671
|
512
|
adamc@671
|
513 if (r == 0) {
|
adamc@671
|
514 if (uw_db_begin(ctx))
|
adamc@671
|
515 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
|
adamc@682
|
516
|
adamc@671
|
517 uw_handle(ctx, path);
|
adamc@671
|
518 }
|
adamc@671
|
519
|
adamc@671
|
520 return r;
|
adamc@671
|
521 }
|
adamc@671
|
522
|
adamc@682
|
523 uw_Basis_client uw_Basis_self(uw_context ctx, uw_unit u) {
|
adamc@682
|
524 if (ctx->client == NULL)
|
adamc@682
|
525 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
|
adamc@682
|
526
|
adamc@682
|
527 return ctx->client->id;
|
adamc@682
|
528 }
|
adamc@682
|
529
|
adamc@425
|
530 void uw_pop_cleanup(uw_context ctx) {
|
adamc@425
|
531 if (ctx->cleanup_front == ctx->cleanup)
|
adamc@425
|
532 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
|
adamc@425
|
533
|
adamc@425
|
534 --ctx->cleanup_front;
|
adamc@425
|
535 ctx->cleanup_front->func(ctx->cleanup_front->arg);
|
adamc@425
|
536 }
|
adamc@425
|
537
|
adamc@311
|
538 char *uw_error_message(uw_context ctx) {
|
adamc@167
|
539 return ctx->error_message;
|
adamc@167
|
540 }
|
adamc@167
|
541
|
adamc@311
|
542 int uw_input_num(char*);
|
adamc@144
|
543
|
adamc@311
|
544 void uw_set_input(uw_context ctx, char *name, char *value) {
|
adamc@311
|
545 int n = uw_input_num(name);
|
adamc@144
|
546
|
adamc@169
|
547 if (n < 0)
|
adamc@311
|
548 uw_error(ctx, FATAL, "Bad input name %s", name);
|
adamc@144
|
549
|
adamc@311
|
550 if (n >= uw_inputs_len)
|
adamc@311
|
551 uw_error(ctx, FATAL, "For input name %s, index %d is out of range", name, n);
|
adamc@169
|
552
|
adamc@144
|
553 ctx->inputs[n] = value;
|
adamc@144
|
554
|
adamc@282
|
555 //printf("[%d] %s = %s\n", n, name, value);
|
adamc@144
|
556 }
|
adamc@144
|
557
|
adamc@311
|
558 char *uw_get_input(uw_context ctx, int n) {
|
adamc@169
|
559 if (n < 0)
|
adamc@311
|
560 uw_error(ctx, FATAL, "Negative input index %d", n);
|
adamc@311
|
561 if (n >= uw_inputs_len)
|
adamc@311
|
562 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
|
adamc@282
|
563 //printf("[%d] = %s\n", n, ctx->inputs[n]);
|
adamc@144
|
564 return ctx->inputs[n];
|
adamc@138
|
565 }
|
adamc@138
|
566
|
adamc@311
|
567 char *uw_get_optional_input(uw_context ctx, int n) {
|
adamc@190
|
568 if (n < 0)
|
adamc@311
|
569 uw_error(ctx, FATAL, "Negative input index %d", n);
|
adamc@311
|
570 if (n >= uw_inputs_len)
|
adamc@311
|
571 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
|
adamc@426
|
572 //printf("[%d] = %s\n", n, ctx->inputs[n]);
|
adamc@190
|
573 return (ctx->inputs[n] == NULL ? "" : ctx->inputs[n]);
|
adamc@190
|
574 }
|
adamc@190
|
575
|
adamc@643
|
576 void uw_set_script_header(uw_context ctx, const char *s) {
|
adamc@643
|
577 ctx->script_header = s;
|
adamc@643
|
578 }
|
adamc@643
|
579
|
adamc@667
|
580 void uw_set_url_prefix(uw_context ctx, const char *s) {
|
adamc@667
|
581 ctx->url_prefix = s;
|
adamc@667
|
582 }
|
adamc@667
|
583
|
adamc@693
|
584 void uw_set_needs_push(uw_context ctx, int n) {
|
adamc@693
|
585 ctx->needs_push = n;
|
adamc@693
|
586 }
|
adamc@693
|
587
|
adamc@667
|
588
|
adamc@667
|
589 static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc) {
|
adamc@666
|
590 if (b->back - b->front < extra) {
|
adamc@666
|
591 size_t desired = b->front - b->start + extra, next;
|
adamc@136
|
592 char *new_heap;
|
adamc@136
|
593
|
adamc@666
|
594 next = b->back - b->start;
|
adamc@317
|
595 if (next == 0)
|
adamc@317
|
596 next = 1;
|
adamc@317
|
597 for (; next < desired; next *= 2);
|
adamc@136
|
598
|
adamc@666
|
599 new_heap = realloc(b->start, next);
|
adamc@666
|
600 b->front = new_heap + (b->front - b->start);
|
adamc@666
|
601 b->back = new_heap + next;
|
adamc@136
|
602
|
adamc@667
|
603 if (new_heap != b->start) {
|
adamc@666
|
604 b->start = new_heap;
|
adamc@666
|
605 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
|
adamc@136
|
606 }
|
adamc@136
|
607
|
adamc@666
|
608 b->start = new_heap;
|
adamc@136
|
609 }
|
adamc@136
|
610 }
|
adamc@136
|
611
|
adamc@666
|
612 static void uw_check_heap(uw_context ctx, size_t extra) {
|
adamc@667
|
613 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
|
adamc@666
|
614 }
|
adamc@666
|
615
|
adamc@311
|
616 void *uw_malloc(uw_context ctx, size_t len) {
|
adamc@136
|
617 void *result;
|
adamc@136
|
618
|
adamc@311
|
619 uw_check_heap(ctx, len);
|
adamc@136
|
620
|
adamc@666
|
621 result = ctx->heap.front;
|
adamc@666
|
622 ctx->heap.front += len;
|
adamc@136
|
623 return result;
|
adamc@117
|
624 }
|
adamc@117
|
625
|
adamc@323
|
626 void uw_begin_region(uw_context ctx) {
|
adamc@666
|
627 regions *r = (regions *) ctx->heap.front;
|
adamc@323
|
628
|
adamc@323
|
629 uw_check_heap(ctx, sizeof(regions));
|
adamc@323
|
630
|
adamc@666
|
631 ctx->heap.front += sizeof(regions);
|
adamc@323
|
632
|
adamc@323
|
633 r->next = ctx->regions;
|
adamc@323
|
634 ctx->regions = r;
|
adamc@323
|
635 }
|
adamc@323
|
636
|
adamc@323
|
637 void uw_end_region(uw_context ctx) {
|
adamc@323
|
638 regions *r = ctx->regions;
|
adamc@323
|
639
|
adamc@323
|
640 if (r == NULL)
|
adamc@323
|
641 uw_error(ctx, FATAL, "Region stack underflow");
|
adamc@323
|
642
|
adamc@666
|
643 ctx->heap.front = (char *) r;
|
adamc@323
|
644 ctx->regions = r->next;
|
adamc@323
|
645 }
|
adamc@323
|
646
|
adamc@324
|
647 void uw_memstats(uw_context ctx) {
|
adamc@666
|
648 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
|
adamc@666
|
649 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
|
adamc@666
|
650 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
|
adamc@666
|
651 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
|
adamc@324
|
652 }
|
adamc@324
|
653
|
adamc@311
|
654 int uw_send(uw_context ctx, int sock) {
|
adamc@666
|
655 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
|
adamc@462
|
656
|
adamc@462
|
657 if (n < 0)
|
adamc@462
|
658 return n;
|
adamc@462
|
659
|
adamc@462
|
660 n = uw_really_send(sock, "\r\n", 2);
|
adamc@462
|
661
|
adamc@462
|
662 if (n < 0)
|
adamc@462
|
663 return n;
|
adamc@462
|
664
|
adamc@666
|
665 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
|
adamc@462
|
666 }
|
adamc@462
|
667
|
adamc@462
|
668 static void uw_check_headers(uw_context ctx, size_t extra) {
|
adamc@667
|
669 buf_check(&ctx->outHeaders, extra);
|
adamc@462
|
670 }
|
adamc@462
|
671
|
adamc@462
|
672 void uw_write_header(uw_context ctx, uw_Basis_string s) {
|
adamc@462
|
673 int len = strlen(s);
|
adamc@462
|
674
|
adamc@462
|
675 uw_check_headers(ctx, len + 1);
|
adamc@666
|
676 strcpy(ctx->outHeaders.front, s);
|
adamc@666
|
677 ctx->outHeaders.front += len;
|
adamc@562
|
678 }
|
adamc@562
|
679
|
adamc@562
|
680 static void uw_check_script(uw_context ctx, size_t extra) {
|
adamc@667
|
681 buf_check(&ctx->script, extra);
|
adamc@562
|
682 }
|
adamc@562
|
683
|
adamc@562
|
684 void uw_write_script(uw_context ctx, uw_Basis_string s) {
|
adamc@562
|
685 int len = strlen(s);
|
adamc@562
|
686
|
adamc@562
|
687 uw_check_script(ctx, len + 1);
|
adamc@666
|
688 strcpy(ctx->script.front, s);
|
adamc@666
|
689 ctx->script.front += len;
|
adamc@562
|
690 }
|
adamc@562
|
691
|
adamc@645
|
692 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
|
adamc@667
|
693 if (ctx->script_header[0] == 0)
|
adamc@667
|
694 return "";
|
adamc@696
|
695 else if (buf_used(&ctx->script) == 0)
|
adamc@696
|
696 return ctx->script_header;
|
adamc@667
|
697 else {
|
adamc@695
|
698 char *r = uw_malloc(ctx, strlen(ctx->script_header) + 42 + buf_used(&ctx->script));
|
adamc@695
|
699 sprintf(r, "%s<script type=\"text/javascript\">%s</script>",
|
adamc@673
|
700 ctx->script_header,
|
adamc@673
|
701 ctx->script.start);
|
adamc@565
|
702 return r;
|
adamc@565
|
703 }
|
adamc@565
|
704 }
|
adamc@565
|
705
|
adamc@695
|
706 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
|
adamc@695
|
707 if (s[0] == 0)
|
adamc@695
|
708 return "";
|
adamc@695
|
709 else {
|
adamc@695
|
710 char *r = uw_malloc(ctx, 11 + strlen(s));
|
adamc@695
|
711 sprintf(r, " onload='%s'", s);
|
adamc@695
|
712 return r;
|
adamc@695
|
713 }
|
adamc@695
|
714 }
|
adamc@695
|
715
|
adamc@694
|
716 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
|
adamc@682
|
717 if (ctx->client == NULL)
|
adamc@667
|
718 return "";
|
adamc@668
|
719 else {
|
adamc@694
|
720 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->url_prefix));
|
adamc@694
|
721 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;listener();",
|
adamc@682
|
722 ctx->client->id,
|
adamc@682
|
723 ctx->client->pass,
|
adamc@679
|
724 ctx->url_prefix,
|
adamc@694
|
725 ctx->timeout);
|
adamc@679
|
726 return r;
|
adamc@668
|
727 }
|
adamc@667
|
728 }
|
adamc@667
|
729
|
adamc@574
|
730 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@574
|
731 char *r, *s2;
|
adamc@574
|
732
|
adamc@574
|
733 uw_check_heap(ctx, strlen(s) * 4 + 2);
|
adamc@574
|
734
|
adamc@666
|
735 r = s2 = ctx->heap.front;
|
adamc@574
|
736 *s2++ = '"';
|
adamc@574
|
737
|
adamc@574
|
738 for (; *s; s++) {
|
adamc@574
|
739 char c = *s;
|
adamc@574
|
740
|
adamc@574
|
741 switch (c) {
|
adamc@574
|
742 case '"':
|
adamc@574
|
743 strcpy(s2, "\\\"");
|
adamc@574
|
744 s2 += 2;
|
adamc@574
|
745 break;
|
adamc@574
|
746 case '\\':
|
adamc@574
|
747 strcpy(s2, "\\\\");
|
adamc@574
|
748 s2 += 2;
|
adamc@574
|
749 break;
|
adamc@574
|
750 default:
|
adamc@574
|
751 if (isprint(c))
|
adamc@574
|
752 *s2++ = c;
|
adamc@574
|
753 else {
|
adamc@574
|
754 sprintf(s2, "\\%3o", c);
|
adamc@574
|
755 s2 += 4;
|
adamc@574
|
756 }
|
adamc@574
|
757 }
|
adamc@574
|
758 }
|
adamc@574
|
759
|
adamc@574
|
760 strcpy(s2, "\"");
|
adamc@666
|
761 ctx->heap.front = s2 + 1;
|
adamc@574
|
762 return r;
|
adamc@574
|
763 }
|
adamc@574
|
764
|
adamc@574
|
765 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
|
adamc@574
|
766 char *r, *s2;
|
adamc@574
|
767
|
adamc@574
|
768 uw_check_script(ctx, strlen(s) * 4 + 2);
|
adamc@574
|
769
|
adamc@666
|
770 r = s2 = ctx->script.front;
|
adamc@574
|
771 *s2++ = '"';
|
adamc@574
|
772
|
adamc@574
|
773 for (; *s; s++) {
|
adamc@574
|
774 char c = *s;
|
adamc@574
|
775
|
adamc@574
|
776 switch (c) {
|
adamc@577
|
777 case '\'':
|
adamc@574
|
778 strcpy(s2, "\\\"");
|
adamc@574
|
779 s2 += 2;
|
adamc@574
|
780 break;
|
adamc@574
|
781 case '\\':
|
adamc@574
|
782 strcpy(s2, "\\\\");
|
adamc@574
|
783 s2 += 2;
|
adamc@574
|
784 break;
|
adamc@574
|
785 default:
|
adamc@574
|
786 if (isprint(c))
|
adamc@574
|
787 *s2++ = c;
|
adamc@574
|
788 else {
|
adamc@574
|
789 sprintf(s2, "\\%3o", c);
|
adamc@574
|
790 s2 += 4;
|
adamc@574
|
791 }
|
adamc@574
|
792 }
|
adamc@574
|
793 }
|
adamc@574
|
794
|
adamc@574
|
795 strcpy(s2, "\"");
|
adamc@666
|
796 ctx->script.front = s2 + 1;
|
adamc@574
|
797 return r;
|
adamc@574
|
798 }
|
adamc@574
|
799
|
adamc@682
|
800 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
801 if (ctx->client == NULL || chn.cli != ctx->client->id)
|
adamc@682
|
802 return "null";
|
adamc@682
|
803 else {
|
adamc@682
|
804 int len;
|
adamc@682
|
805 char *r;
|
adamc@682
|
806
|
adamc@682
|
807 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
808 r = ctx->heap.front;
|
adamc@682
|
809 sprintf(r, "%u%n", chn.chn, &len);
|
adamc@682
|
810 ctx->heap.front += len+1;
|
adamc@682
|
811 return r;
|
adamc@682
|
812 }
|
adamc@682
|
813 }
|
adamc@682
|
814
|
adamc@577
|
815 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
|
adamc@577
|
816 int len;
|
adamc@577
|
817 size_t s_len = strlen(s);
|
adamc@562
|
818
|
adamc@577
|
819 uw_check_script(ctx, 12 + INTS_MAX + s_len);
|
adamc@666
|
820 sprintf(ctx->script.front, "var s%d=sc(%n", ctx->source_count, &len);
|
adamc@666
|
821 ctx->script.front += len;
|
adamc@666
|
822 strcpy(ctx->script.front, s);
|
adamc@666
|
823 ctx->script.front += s_len;
|
adamc@666
|
824 strcpy(ctx->script.front, ");");
|
adamc@666
|
825 ctx->script.front += 2;
|
adamc@562
|
826
|
adamc@565
|
827 return ctx->source_count++;
|
adamc@117
|
828 }
|
adamc@117
|
829
|
adamc@577
|
830 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
|
adamc@577
|
831 int len;
|
adamc@577
|
832 size_t s_len = strlen(s);
|
adamc@577
|
833
|
adamc@577
|
834 uw_check_script(ctx, 6 + INTS_MAX + s_len);
|
adamc@666
|
835 sprintf(ctx->script.front, "s%d.v=%n", (int)n, &len);
|
adamc@666
|
836 ctx->script.front += len;
|
adamc@666
|
837 strcpy(ctx->script.front, s);
|
adamc@666
|
838 ctx->script.front += s_len;
|
adamc@666
|
839 strcpy(ctx->script.front, ";");
|
adamc@666
|
840 ctx->script.front++;
|
adamc@577
|
841
|
adamc@577
|
842 return uw_unit_v;
|
adamc@577
|
843 }
|
adamc@577
|
844
|
adamc@311
|
845 static void uw_check(uw_context ctx, size_t extra) {
|
adamc@667
|
846 buf_check(&ctx->page, extra);
|
adamc@117
|
847 }
|
adamc@117
|
848
|
adamc@311
|
849 static void uw_writec_unsafe(uw_context ctx, char c) {
|
adamc@666
|
850 *(ctx->page.front)++ = c;
|
adamc@117
|
851 }
|
adamc@117
|
852
|
adamc@311
|
853 void uw_writec(uw_context ctx, char c) {
|
adamc@311
|
854 uw_check(ctx, 1);
|
adamc@311
|
855 uw_writec_unsafe(ctx, c);
|
adamc@117
|
856 }
|
adamc@117
|
857
|
adamc@311
|
858 static void uw_write_unsafe(uw_context ctx, const char* s) {
|
adamc@117
|
859 int len = strlen(s);
|
adamc@666
|
860 memcpy(ctx->page.front, s, len);
|
adamc@666
|
861 ctx->page.front += len;
|
adamc@117
|
862 }
|
adamc@117
|
863
|
adamc@311
|
864 void uw_write(uw_context ctx, const char* s) {
|
adamc@311
|
865 uw_check(ctx, strlen(s) + 1);
|
adamc@311
|
866 uw_write_unsafe(ctx, s);
|
adamc@666
|
867 *ctx->page.front = 0;
|
adamc@102
|
868 }
|
adamc@106
|
869
|
adamc@311
|
870 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@136
|
871 char *result;
|
adamc@136
|
872 int len;
|
adamc@311
|
873 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
874 result = ctx->heap.front;
|
adamc@276
|
875 sprintf(result, "%lld%n", n, &len);
|
adamc@666
|
876 ctx->heap.front += len+1;
|
adamc@136
|
877 return result;
|
adamc@106
|
878 }
|
adamc@106
|
879
|
adamc@311
|
880 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@136
|
881 char *result;
|
adamc@136
|
882 int len;
|
adamc@311
|
883 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
884 result = ctx->heap.front;
|
adamc@136
|
885 sprintf(result, "%g%n", n, &len);
|
adamc@666
|
886 ctx->heap.front += len+1;
|
adamc@136
|
887 return result;
|
adamc@106
|
888 }
|
adamc@106
|
889
|
adamc@311
|
890 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@136
|
891 int len = strlen(s);
|
adamc@136
|
892 char *result, *p;
|
adamc@311
|
893 uw_check_heap(ctx, len * 6 + 1);
|
adamc@136
|
894
|
adamc@666
|
895 result = p = ctx->heap.front;
|
adamc@136
|
896
|
adamc@136
|
897 for (; *s; s++) {
|
adamc@136
|
898 char c = *s;
|
adamc@136
|
899
|
adamc@136
|
900 if (c == '"') {
|
adamc@136
|
901 strcpy(p, """);
|
adamc@136
|
902 p += 6;
|
adamc@136
|
903 } else if (c == '&') {
|
adamc@136
|
904 strcpy(p, "&");
|
adamc@136
|
905 p += 5;
|
adamc@136
|
906 }
|
adamc@136
|
907 else if (isprint(c))
|
adamc@136
|
908 *p++ = c;
|
adamc@136
|
909 else {
|
adamc@136
|
910 int len2;
|
adamc@136
|
911 sprintf(p, "&#%d;%n", c, &len2);
|
adamc@136
|
912 p += len2;
|
adamc@136
|
913 }
|
adamc@136
|
914 }
|
adamc@136
|
915
|
adamc@137
|
916 *p++ = 0;
|
adamc@666
|
917 ctx->heap.front = p;
|
adamc@136
|
918 return result;
|
adamc@106
|
919 }
|
adamc@106
|
920
|
adamc@311
|
921 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
|
adamc@117
|
922 int len;
|
adamc@117
|
923
|
adamc@666
|
924 sprintf(ctx->page.front, "%lld%n", n, &len);
|
adamc@666
|
925 ctx->page.front += len;
|
adamc@106
|
926 }
|
adamc@106
|
927
|
adamc@428
|
928 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
|
adamc@311
|
929 uw_check(ctx, INTS_MAX);
|
adamc@311
|
930 uw_Basis_attrifyInt_w_unsafe(ctx, n);
|
adamc@428
|
931
|
adamc@428
|
932 return uw_unit_v;
|
adamc@106
|
933 }
|
adamc@106
|
934
|
adamc@428
|
935 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
|
adamc@117
|
936 int len;
|
adamc@117
|
937
|
adamc@311
|
938 uw_check(ctx, FLOATS_MAX);
|
adamc@666
|
939 sprintf(ctx->page.front, "%g%n", n, &len);
|
adamc@666
|
940 ctx->page.front += len;
|
adamc@428
|
941
|
adamc@428
|
942 return uw_unit_v;
|
adamc@117
|
943 }
|
adamc@117
|
944
|
adamc@428
|
945 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
|
adamc@311
|
946 uw_check(ctx, strlen(s) * 6);
|
adamc@117
|
947
|
adamc@106
|
948 for (; *s; s++) {
|
adamc@106
|
949 char c = *s;
|
adamc@106
|
950
|
adamc@106
|
951 if (c == '"')
|
adamc@311
|
952 uw_write_unsafe(ctx, """);
|
adamc@136
|
953 else if (c == '&')
|
adamc@311
|
954 uw_write_unsafe(ctx, "&");
|
adamc@106
|
955 else if (isprint(c))
|
adamc@311
|
956 uw_writec_unsafe(ctx, c);
|
adamc@106
|
957 else {
|
adamc@311
|
958 uw_write_unsafe(ctx, "&#");
|
adamc@311
|
959 uw_Basis_attrifyInt_w_unsafe(ctx, c);
|
adamc@311
|
960 uw_writec_unsafe(ctx, ';');
|
adamc@106
|
961 }
|
adamc@106
|
962 }
|
adamc@428
|
963
|
adamc@428
|
964 return uw_unit_v;
|
adamc@106
|
965 }
|
adamc@120
|
966
|
adamc@120
|
967
|
adamc@311
|
968 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@137
|
969 int len;
|
adamc@137
|
970 char *r;
|
adamc@137
|
971
|
adamc@311
|
972 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
973 r = ctx->heap.front;
|
adamc@276
|
974 sprintf(r, "%lld%n", n, &len);
|
adamc@666
|
975 ctx->heap.front += len+1;
|
adamc@137
|
976 return r;
|
adamc@120
|
977 }
|
adamc@120
|
978
|
adamc@682
|
979 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
980 if (ctx->client == NULL || chn.cli != ctx->client->id)
|
adamc@682
|
981 return "";
|
adamc@682
|
982 else {
|
adamc@682
|
983 int len;
|
adamc@682
|
984 char *r;
|
adamc@679
|
985
|
adamc@682
|
986 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
987 r = ctx->heap.front;
|
adamc@682
|
988 sprintf(r, "%u%n", chn.chn, &len);
|
adamc@682
|
989 ctx->heap.front += len+1;
|
adamc@682
|
990 return r;
|
adamc@682
|
991 }
|
adamc@679
|
992 }
|
adamc@679
|
993
|
adamc@311
|
994 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@137
|
995 int len;
|
adamc@137
|
996 char *r;
|
adamc@137
|
997
|
adamc@311
|
998 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
999 r = ctx->heap.front;
|
adamc@137
|
1000 sprintf(r, "%g%n", n, &len);
|
adamc@666
|
1001 ctx->heap.front += len+1;
|
adamc@137
|
1002 return r;
|
adamc@120
|
1003 }
|
adamc@120
|
1004
|
adamc@311
|
1005 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@137
|
1006 char *r, *p;
|
adamc@137
|
1007
|
adamc@311
|
1008 uw_check_heap(ctx, strlen(s) * 3 + 1);
|
adamc@137
|
1009
|
adamc@666
|
1010 for (r = p = ctx->heap.front; *s; s++) {
|
adamc@137
|
1011 char c = *s;
|
adamc@137
|
1012
|
adamc@137
|
1013 if (c == ' ')
|
adamc@137
|
1014 *p++ = '+';
|
adamc@137
|
1015 else if (isalnum(c))
|
adamc@137
|
1016 *p++ = c;
|
adamc@137
|
1017 else {
|
adamc@137
|
1018 sprintf(p, "%%%02X", c);
|
adamc@137
|
1019 p += 3;
|
adamc@137
|
1020 }
|
adamc@137
|
1021 }
|
adamc@137
|
1022
|
adamc@137
|
1023 *p++ = 0;
|
adamc@666
|
1024 ctx->heap.front = p;
|
adamc@137
|
1025 return r;
|
adamc@120
|
1026 }
|
adamc@120
|
1027
|
adamc@311
|
1028 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1029 if (b == uw_Basis_False)
|
adamc@186
|
1030 return "0";
|
adamc@186
|
1031 else
|
adamc@186
|
1032 return "1";
|
adamc@186
|
1033 }
|
adamc@186
|
1034
|
adamc@311
|
1035 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
|
adamc@120
|
1036 int len;
|
adamc@120
|
1037
|
adamc@666
|
1038 sprintf(ctx->page.front, "%lld%n", n, &len);
|
adamc@666
|
1039 ctx->page.front += len;
|
adamc@120
|
1040 }
|
adamc@120
|
1041
|
adamc@428
|
1042 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
|
adamc@311
|
1043 uw_check(ctx, INTS_MAX);
|
adamc@311
|
1044 uw_Basis_urlifyInt_w_unsafe(ctx, n);
|
adamc@428
|
1045
|
adamc@428
|
1046 return uw_unit_v;
|
adamc@120
|
1047 }
|
adamc@120
|
1048
|
adamc@682
|
1049 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
1050 if (ctx->client != NULL && chn.cli == ctx->client->id) {
|
adamc@682
|
1051 int len;
|
adamc@682
|
1052
|
adamc@682
|
1053 uw_check(ctx, INTS_MAX + 1);
|
adamc@682
|
1054 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
|
adamc@682
|
1055 ctx->page.front += len;
|
adamc@682
|
1056 }
|
adamc@682
|
1057
|
adamc@679
|
1058 return uw_unit_v;
|
adamc@679
|
1059 }
|
adamc@679
|
1060
|
adamc@428
|
1061 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
|
adamc@120
|
1062 int len;
|
adamc@120
|
1063
|
adamc@311
|
1064 uw_check(ctx, FLOATS_MAX);
|
adamc@666
|
1065 sprintf(ctx->page.front, "%g%n", n, &len);
|
adamc@666
|
1066 ctx->page.front += len;
|
adamc@428
|
1067
|
adamc@428
|
1068 return uw_unit_v;
|
adamc@120
|
1069 }
|
adamc@120
|
1070
|
adamc@488
|
1071 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@488
|
1072 return uw_Basis_urlifyInt(ctx, t);
|
adamc@488
|
1073 }
|
adamc@488
|
1074
|
adamc@428
|
1075 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
|
adamc@311
|
1076 uw_check(ctx, strlen(s) * 3);
|
adamc@120
|
1077
|
adamc@120
|
1078 for (; *s; s++) {
|
adamc@120
|
1079 char c = *s;
|
adamc@120
|
1080
|
adamc@120
|
1081 if (c == ' ')
|
adamc@311
|
1082 uw_writec_unsafe(ctx, '+');
|
adamc@120
|
1083 else if (isalnum(c))
|
adamc@311
|
1084 uw_writec_unsafe(ctx, c);
|
adamc@120
|
1085 else {
|
adamc@666
|
1086 sprintf(ctx->page.front, "%%%02X", c);
|
adamc@666
|
1087 ctx->page.front += 3;
|
adamc@120
|
1088 }
|
adamc@120
|
1089 }
|
adamc@428
|
1090
|
adamc@428
|
1091 return uw_unit_v;
|
adamc@120
|
1092 }
|
adamc@120
|
1093
|
adamc@428
|
1094 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1095 if (b == uw_Basis_False)
|
adamc@311
|
1096 uw_writec(ctx, '0');
|
adamc@186
|
1097 else
|
adamc@311
|
1098 uw_writec(ctx, '1');
|
adamc@428
|
1099
|
adamc@428
|
1100 return uw_unit_v;
|
adamc@186
|
1101 }
|
adamc@186
|
1102
|
adamc@120
|
1103
|
adamc@311
|
1104 static char *uw_unurlify_advance(char *s) {
|
adamc@144
|
1105 char *new_s = strchr(s, '/');
|
adamc@120
|
1106
|
adamc@120
|
1107 if (new_s)
|
adamc@120
|
1108 *new_s++ = 0;
|
adamc@120
|
1109 else
|
adamc@144
|
1110 new_s = strchr(s, 0);
|
adamc@144
|
1111
|
adamc@144
|
1112 return new_s;
|
adamc@144
|
1113 }
|
adamc@144
|
1114
|
adamc@311
|
1115 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
|
adamc@311
|
1116 char *new_s = uw_unurlify_advance(*s);
|
adamc@311
|
1117 uw_Basis_int r;
|
adamc@120
|
1118
|
adamc@276
|
1119 r = atoll(*s);
|
adamc@120
|
1120 *s = new_s;
|
adamc@120
|
1121 return r;
|
adamc@120
|
1122 }
|
adamc@120
|
1123
|
adamc@311
|
1124 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
|
adamc@311
|
1125 char *new_s = uw_unurlify_advance(*s);
|
adamc@311
|
1126 uw_Basis_float r;
|
adamc@120
|
1127
|
adamc@120
|
1128 r = atof(*s);
|
adamc@120
|
1129 *s = new_s;
|
adamc@120
|
1130 return r;
|
adamc@120
|
1131 }
|
adamc@120
|
1132
|
adamc@488
|
1133 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
|
adamc@488
|
1134 return uw_Basis_unurlifyInt(ctx, s);
|
adamc@488
|
1135 }
|
adamc@488
|
1136
|
adamc@311
|
1137 static uw_Basis_string uw_unurlifyString_to(uw_context ctx, char *r, char *s) {
|
adamc@144
|
1138 char *s1, *s2;
|
adamc@144
|
1139 int n;
|
adamc@136
|
1140
|
adamc@144
|
1141 for (s1 = r, s2 = s; *s2; ++s1, ++s2) {
|
adamc@136
|
1142 char c = *s2;
|
adamc@136
|
1143
|
adamc@136
|
1144 switch (c) {
|
adamc@136
|
1145 case '+':
|
adamc@136
|
1146 *s1 = ' ';
|
adamc@136
|
1147 break;
|
adamc@136
|
1148 case '%':
|
adamc@169
|
1149 if (s2[1] == 0)
|
adamc@311
|
1150 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
|
adamc@169
|
1151 if (s2[2] == 0)
|
adamc@311
|
1152 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
|
adamc@169
|
1153 if (sscanf(s2+1, "%02X", &n) != 1)
|
adamc@311
|
1154 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
|
adamc@136
|
1155 *s1 = n;
|
adamc@136
|
1156 s2 += 2;
|
adamc@136
|
1157 break;
|
adamc@136
|
1158 default:
|
adamc@136
|
1159 *s1 = c;
|
adamc@136
|
1160 }
|
adamc@136
|
1161 }
|
adamc@136
|
1162 *s1++ = 0;
|
adamc@144
|
1163 return s1;
|
adamc@144
|
1164 }
|
adamc@144
|
1165
|
adamc@311
|
1166 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
|
adamc@311
|
1167 char *new_s = uw_unurlify_advance(*s);
|
adamc@311
|
1168 uw_Basis_bool r;
|
adamc@186
|
1169
|
adamc@186
|
1170 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
|
adamc@311
|
1171 r = uw_Basis_False;
|
adamc@186
|
1172 else
|
adamc@311
|
1173 r = uw_Basis_True;
|
adamc@186
|
1174
|
adamc@186
|
1175 *s = new_s;
|
adamc@186
|
1176 return r;
|
adamc@186
|
1177 }
|
adamc@186
|
1178
|
adamc@311
|
1179 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
|
adamc@311
|
1180 char *new_s = uw_unurlify_advance(*s);
|
adamc@144
|
1181 char *r, *s1, *s2;
|
adamc@144
|
1182 int len, n;
|
adamc@144
|
1183
|
adamc@200
|
1184 len = strlen(*s);
|
adamc@311
|
1185 uw_check_heap(ctx, len + 1);
|
adamc@144
|
1186
|
adamc@666
|
1187 r = ctx->heap.front;
|
adamc@666
|
1188 ctx->heap.front = uw_unurlifyString_to(ctx, ctx->heap.front, *s);
|
adamc@136
|
1189 *s = new_s;
|
adamc@136
|
1190 return r;
|
adamc@120
|
1191 }
|
adamc@135
|
1192
|
adamc@135
|
1193
|
adamc@311
|
1194 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@286
|
1195 int len;
|
adamc@286
|
1196 char *r;
|
adamc@286
|
1197
|
adamc@311
|
1198 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
1199 r = ctx->heap.front;
|
adamc@286
|
1200 sprintf(r, "%lld%n", n, &len);
|
adamc@666
|
1201 ctx->heap.front += len+1;
|
adamc@286
|
1202 return r;
|
adamc@286
|
1203 }
|
adamc@286
|
1204
|
adamc@428
|
1205 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
|
adamc@286
|
1206 int len;
|
adamc@286
|
1207
|
adamc@311
|
1208 uw_check(ctx, INTS_MAX);
|
adamc@666
|
1209 sprintf(ctx->page.front, "%lld%n", n, &len);
|
adamc@666
|
1210 ctx->page.front += len;
|
adamc@428
|
1211
|
adamc@428
|
1212 return uw_unit_v;
|
adamc@286
|
1213 }
|
adamc@286
|
1214
|
adamc@311
|
1215 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@286
|
1216 int len;
|
adamc@286
|
1217 char *r;
|
adamc@286
|
1218
|
adamc@311
|
1219 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
1220 r = ctx->heap.front;
|
adamc@286
|
1221 sprintf(r, "%g%n", n, &len);
|
adamc@666
|
1222 ctx->heap.front += len+1;
|
adamc@286
|
1223 return r;
|
adamc@286
|
1224 }
|
adamc@286
|
1225
|
adamc@428
|
1226 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
|
adamc@286
|
1227 int len;
|
adamc@286
|
1228
|
adamc@311
|
1229 uw_check(ctx, FLOATS_MAX);
|
adamc@666
|
1230 sprintf(ctx->page.front, "%g%n", n, &len);
|
adamc@666
|
1231 ctx->page.front += len;
|
adamc@428
|
1232
|
adamc@428
|
1233 return uw_unit_v;
|
adamc@286
|
1234 }
|
adamc@286
|
1235
|
adamc@311
|
1236 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@137
|
1237 char *r, *s2;
|
adamc@137
|
1238
|
adamc@311
|
1239 uw_check_heap(ctx, strlen(s) * 5 + 1);
|
adamc@137
|
1240
|
adamc@666
|
1241 for (r = s2 = ctx->heap.front; *s; s++) {
|
adamc@137
|
1242 char c = *s;
|
adamc@137
|
1243
|
adamc@137
|
1244 switch (c) {
|
adamc@137
|
1245 case '<':
|
adamc@137
|
1246 strcpy(s2, "<");
|
adamc@137
|
1247 s2 += 4;
|
adamc@137
|
1248 break;
|
adamc@137
|
1249 case '&':
|
adamc@137
|
1250 strcpy(s2, "&");
|
adamc@137
|
1251 s2 += 5;
|
adamc@137
|
1252 break;
|
adamc@137
|
1253 default:
|
adamc@137
|
1254 if (isprint(c))
|
adamc@137
|
1255 *s2++ = c;
|
adamc@137
|
1256 else {
|
adamc@137
|
1257 int len2;
|
adamc@137
|
1258 sprintf(s2, "&#%d;%n", c, &len2);
|
adamc@137
|
1259 s2 += len2;
|
adamc@137
|
1260 }
|
adamc@137
|
1261 }
|
adamc@137
|
1262 }
|
adamc@137
|
1263
|
adamc@137
|
1264 *s2++ = 0;
|
adamc@666
|
1265 ctx->heap.front = s2;
|
adamc@137
|
1266 return r;
|
adamc@135
|
1267 }
|
adamc@135
|
1268
|
adamc@428
|
1269 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
|
adamc@321
|
1270 uw_check(ctx, strlen(s) * 6);
|
adamc@135
|
1271
|
adamc@135
|
1272 for (; *s; s++) {
|
adamc@135
|
1273 char c = *s;
|
adamc@135
|
1274
|
adamc@135
|
1275 switch (c) {
|
adamc@135
|
1276 case '<':
|
adamc@311
|
1277 uw_write_unsafe(ctx, "<");
|
adamc@135
|
1278 break;
|
adamc@135
|
1279 case '&':
|
adamc@311
|
1280 uw_write_unsafe(ctx, "&");
|
adamc@135
|
1281 break;
|
adamc@135
|
1282 default:
|
adamc@135
|
1283 if (isprint(c))
|
adamc@311
|
1284 uw_writec_unsafe(ctx, c);
|
adamc@135
|
1285 else {
|
adamc@311
|
1286 uw_write_unsafe(ctx, "&#");
|
adamc@311
|
1287 uw_Basis_attrifyInt_w_unsafe(ctx, c);
|
adamc@311
|
1288 uw_writec_unsafe(ctx, ';');
|
adamc@135
|
1289 }
|
adamc@135
|
1290 }
|
adamc@135
|
1291 }
|
adamc@428
|
1292
|
adamc@428
|
1293 return uw_unit_v;
|
adamc@135
|
1294 }
|
adamc@180
|
1295
|
adamc@311
|
1296 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1297 if (b == uw_Basis_False)
|
adamc@286
|
1298 return "False";
|
adamc@286
|
1299 else
|
adamc@286
|
1300 return "True";
|
adamc@286
|
1301 }
|
adamc@286
|
1302
|
adamc@428
|
1303 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1304 if (b == uw_Basis_False) {
|
adamc@311
|
1305 uw_check(ctx, 6);
|
adamc@666
|
1306 strcpy(ctx->page.front, "False");
|
adamc@666
|
1307 ctx->page.front += 5;
|
adamc@286
|
1308 } else {
|
adamc@311
|
1309 uw_check(ctx, 5);
|
adamc@666
|
1310 strcpy(ctx->page.front, "True");
|
adamc@666
|
1311 ctx->page.front += 4;
|
adamc@286
|
1312 }
|
adamc@428
|
1313
|
adamc@428
|
1314 return uw_unit_v;
|
adamc@286
|
1315 }
|
adamc@286
|
1316
|
adamc@436
|
1317 #define TIME_FMT "%x %X"
|
adamc@438
|
1318 #define TIME_FMT_PG "%Y-%m-%d %T"
|
adamc@436
|
1319
|
adamc@436
|
1320 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@436
|
1321 size_t len;
|
adamc@436
|
1322 char *r;
|
adamc@436
|
1323 struct tm stm;
|
adamc@436
|
1324
|
adamc@436
|
1325 if (localtime_r(&t, &stm)) {
|
adamc@436
|
1326 uw_check_heap(ctx, TIMES_MAX);
|
adamc@666
|
1327 r = ctx->heap.front;
|
adamc@436
|
1328 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1329 ctx->heap.front += len+1;
|
adamc@436
|
1330 return r;
|
adamc@436
|
1331 } else
|
adamc@436
|
1332 return "<i>Invalid time</i>";
|
adamc@436
|
1333 }
|
adamc@436
|
1334
|
adamc@436
|
1335 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
|
adamc@436
|
1336 size_t len;
|
adamc@436
|
1337 char *r;
|
adamc@436
|
1338 struct tm stm;
|
adamc@436
|
1339
|
adamc@436
|
1340 if (localtime_r(&t, &stm)) {
|
adamc@436
|
1341 uw_check(ctx, TIMES_MAX);
|
adamc@666
|
1342 r = ctx->page.front;
|
adamc@436
|
1343 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1344 ctx->page.front += len;
|
adamc@436
|
1345 } else {
|
adamc@436
|
1346 uw_check(ctx, 20);
|
adamc@666
|
1347 strcpy(ctx->page.front, "<i>Invalid time</i>");
|
adamc@666
|
1348 ctx->page.front += 19;
|
adamc@436
|
1349 }
|
adamc@436
|
1350
|
adamc@436
|
1351 return uw_unit_v;
|
adamc@436
|
1352 }
|
adamc@436
|
1353
|
adamc@311
|
1354 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
|
adamc@180
|
1355 int len = strlen(s1) + strlen(s2) + 1;
|
adamc@180
|
1356 char *s;
|
adamc@180
|
1357
|
adamc@311
|
1358 uw_check_heap(ctx, len);
|
adamc@180
|
1359
|
adamc@666
|
1360 s = ctx->heap.front;
|
adamc@180
|
1361
|
adamc@180
|
1362 strcpy(s, s1);
|
adamc@180
|
1363 strcat(s, s2);
|
adamc@666
|
1364 ctx->heap.front += len;
|
adamc@180
|
1365
|
adamc@180
|
1366 return s;
|
adamc@180
|
1367 }
|
adamc@278
|
1368
|
adamc@311
|
1369 uw_Basis_string uw_Basis_strdup(uw_context ctx, uw_Basis_string s1) {
|
adamc@278
|
1370 int len = strlen(s1) + 1;
|
adamc@278
|
1371 char *s;
|
adamc@278
|
1372
|
adamc@311
|
1373 uw_check_heap(ctx, len);
|
adamc@278
|
1374
|
adamc@666
|
1375 s = ctx->heap.front;
|
adamc@278
|
1376
|
adamc@278
|
1377 strcpy(s, s1);
|
adamc@666
|
1378 ctx->heap.front += len;
|
adamc@278
|
1379
|
adamc@278
|
1380 return s;
|
adamc@278
|
1381 }
|
adamc@280
|
1382
|
adamc@493
|
1383 uw_Basis_string uw_Basis_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
|
adamc@493
|
1384 if (s1)
|
adamc@493
|
1385 return uw_Basis_strdup(ctx, s1);
|
adamc@493
|
1386 else
|
adamc@493
|
1387 return NULL;
|
adamc@493
|
1388 }
|
adamc@493
|
1389
|
adamc@280
|
1390
|
adamc@311
|
1391 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
|
adamc@281
|
1392 int len;
|
adamc@281
|
1393 char *r;
|
adamc@281
|
1394
|
adamc@311
|
1395 uw_check_heap(ctx, INTS_MAX + 6);
|
adamc@666
|
1396 r = ctx->heap.front;
|
adamc@281
|
1397 sprintf(r, "%lld::int8%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_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
|
adamc@467
|
1403 if (n == NULL)
|
adamc@467
|
1404 return "NULL";
|
adamc@467
|
1405 else
|
adamc@467
|
1406 return uw_Basis_sqlifyInt(ctx, *n);
|
adamc@467
|
1407 }
|
adamc@467
|
1408
|
adamc@311
|
1409 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
|
adamc@281
|
1410 int len;
|
adamc@281
|
1411 char *r;
|
adamc@281
|
1412
|
adamc@311
|
1413 uw_check_heap(ctx, FLOATS_MAX + 8);
|
adamc@666
|
1414 r = ctx->heap.front;
|
adamc@281
|
1415 sprintf(r, "%g::float8%n", n, &len);
|
adamc@666
|
1416 ctx->heap.front += len+1;
|
adamc@281
|
1417 return r;
|
adamc@281
|
1418 }
|
adamc@281
|
1419
|
adamc@467
|
1420 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
|
adamc@467
|
1421 if (n == NULL)
|
adamc@467
|
1422 return "NULL";
|
adamc@467
|
1423 else
|
adamc@467
|
1424 return uw_Basis_sqlifyFloat(ctx, *n);
|
adamc@467
|
1425 }
|
adamc@467
|
1426
|
adamc@281
|
1427
|
adamc@311
|
1428 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
|
adamc@280
|
1429 char *r, *s2;
|
adamc@280
|
1430
|
adamc@311
|
1431 uw_check_heap(ctx, strlen(s) * 2 + 10);
|
adamc@280
|
1432
|
adamc@666
|
1433 r = s2 = ctx->heap.front;
|
adamc@280
|
1434 *s2++ = 'E';
|
adamc@280
|
1435 *s2++ = '\'';
|
adamc@280
|
1436
|
adamc@280
|
1437 for (; *s; s++) {
|
adamc@280
|
1438 char c = *s;
|
adamc@280
|
1439
|
adamc@280
|
1440 switch (c) {
|
adamc@280
|
1441 case '\'':
|
adamc@280
|
1442 strcpy(s2, "\\'");
|
adamc@280
|
1443 s2 += 2;
|
adamc@280
|
1444 break;
|
adamc@280
|
1445 case '\\':
|
adamc@280
|
1446 strcpy(s2, "\\\\");
|
adamc@280
|
1447 s2 += 2;
|
adamc@280
|
1448 break;
|
adamc@280
|
1449 default:
|
adamc@280
|
1450 if (isprint(c))
|
adamc@280
|
1451 *s2++ = c;
|
adamc@280
|
1452 else {
|
adamc@280
|
1453 sprintf(s2, "\\%3o", c);
|
adamc@280
|
1454 s2 += 4;
|
adamc@280
|
1455 }
|
adamc@280
|
1456 }
|
adamc@280
|
1457 }
|
adamc@280
|
1458
|
adamc@281
|
1459 strcpy(s2, "'::text");
|
adamc@666
|
1460 ctx->heap.front = s2 + 8;
|
adamc@280
|
1461 return r;
|
adamc@280
|
1462 }
|
adamc@281
|
1463
|
adamc@682
|
1464 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
1465 int len;
|
adamc@682
|
1466 char *r;
|
adamc@682
|
1467 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
|
adamc@682
|
1468
|
adamc@682
|
1469 uw_check_heap(ctx, INTS_MAX + 7);
|
adamc@682
|
1470 r = ctx->heap.front;
|
adamc@682
|
1471 sprintf(r, "%lld::int8%n", combo, &len);
|
adamc@682
|
1472 ctx->heap.front += len+1;
|
adamc@682
|
1473 return r;
|
adamc@682
|
1474 }
|
adamc@682
|
1475
|
adamc@682
|
1476 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
|
adamc@682
|
1477 int len;
|
adamc@682
|
1478 char *r;
|
adamc@682
|
1479 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
|
adamc@682
|
1480
|
adamc@682
|
1481 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
1482 r = ctx->heap.front;
|
adamc@682
|
1483 sprintf(r, "%lld%n", combo, &len);
|
adamc@682
|
1484 ctx->heap.front += len+1;
|
adamc@682
|
1485 return r;
|
adamc@682
|
1486 }
|
adamc@682
|
1487
|
adamc@682
|
1488 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
|
adamc@682
|
1489 int len;
|
adamc@682
|
1490 char *r;
|
adamc@682
|
1491
|
adamc@682
|
1492 uw_check_heap(ctx, INTS_MAX + 7);
|
adamc@682
|
1493 r = ctx->heap.front;
|
adamc@682
|
1494 sprintf(r, "%u::int4%n", cli, &len);
|
adamc@682
|
1495 ctx->heap.front += len+1;
|
adamc@682
|
1496 return r;
|
adamc@682
|
1497 }
|
adamc@682
|
1498
|
adamc@682
|
1499 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
|
adamc@682
|
1500 int len;
|
adamc@682
|
1501 char *r;
|
adamc@682
|
1502
|
adamc@682
|
1503 uw_check_heap(ctx, INTS_MAX + 1);
|
adamc@682
|
1504 r = ctx->heap.front;
|
adamc@682
|
1505 sprintf(r, "%u%n", cli, &len);
|
adamc@682
|
1506 ctx->heap.front += len+1;
|
adamc@682
|
1507 return r;
|
adamc@682
|
1508 }
|
adamc@682
|
1509
|
adamc@467
|
1510 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
|
adamc@467
|
1511 if (s == NULL)
|
adamc@467
|
1512 return "NULL";
|
adamc@467
|
1513 else
|
adamc@467
|
1514 return uw_Basis_sqlifyString(ctx, s);
|
adamc@467
|
1515 }
|
adamc@467
|
1516
|
adamc@311
|
1517 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1518 if (b == uw_Basis_False)
|
adamc@281
|
1519 return "FALSE";
|
adamc@281
|
1520 else
|
adamc@281
|
1521 return "TRUE";
|
adamc@281
|
1522 }
|
adamc@282
|
1523
|
adamc@467
|
1524 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
|
adamc@467
|
1525 if (b == NULL)
|
adamc@467
|
1526 return "NULL";
|
adamc@467
|
1527 else
|
adamc@467
|
1528 return uw_Basis_sqlifyBool(ctx, *b);
|
adamc@467
|
1529 }
|
adamc@467
|
1530
|
adamc@439
|
1531 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@439
|
1532 size_t len;
|
adamc@682
|
1533 char *r, *s;
|
adamc@682
|
1534 struct tm stm;
|
adamc@682
|
1535
|
adamc@682
|
1536 if (localtime_r(&t, &stm)) {
|
adamc@682
|
1537 s = uw_malloc(ctx, TIMES_MAX);
|
adamc@682
|
1538 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
|
adamc@682
|
1539 r = uw_malloc(ctx, len + 14);
|
adamc@682
|
1540 sprintf(r, "'%s'::timestamp", s);
|
adamc@682
|
1541 return r;
|
adamc@682
|
1542 } else
|
adamc@682
|
1543 return "<Invalid time>";
|
adamc@682
|
1544 }
|
adamc@682
|
1545
|
adamc@682
|
1546 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
|
adamc@682
|
1547 size_t len;
|
adamc@439
|
1548 char *r;
|
adamc@439
|
1549 struct tm stm;
|
adamc@439
|
1550
|
adamc@439
|
1551 if (localtime_r(&t, &stm)) {
|
adamc@439
|
1552 uw_check_heap(ctx, TIMES_MAX);
|
adamc@666
|
1553 r = ctx->heap.front;
|
adamc@439
|
1554 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1555 ctx->heap.front += len+1;
|
adamc@439
|
1556 return r;
|
adamc@439
|
1557 } else
|
adamc@439
|
1558 return "<Invalid time>";
|
adamc@439
|
1559 }
|
adamc@439
|
1560
|
adamc@467
|
1561 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
|
adamc@467
|
1562 if (t == NULL)
|
adamc@467
|
1563 return "NULL";
|
adamc@467
|
1564 else
|
adamc@467
|
1565 return uw_Basis_sqlifyTime(ctx, *t);
|
adamc@467
|
1566 }
|
adamc@467
|
1567
|
adamc@311
|
1568 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
|
adamc@311
|
1569 static uw_Basis_int true = 1;
|
adamc@311
|
1570 static uw_Basis_int false = 0;
|
adamc@282
|
1571
|
adamc@311
|
1572 if (b == uw_Basis_False)
|
adamc@282
|
1573 return (char *)&false;
|
adamc@282
|
1574 else
|
adamc@282
|
1575 return (char *)&true;
|
adamc@282
|
1576 }
|
adamc@284
|
1577
|
adamc@311
|
1578 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
|
adamc@284
|
1579 int len;
|
adamc@284
|
1580 char *r;
|
adamc@284
|
1581
|
adamc@311
|
1582 uw_check_heap(ctx, INTS_MAX);
|
adamc@666
|
1583 r = ctx->heap.front;
|
adamc@284
|
1584 sprintf(r, "%lld%n", n, &len);
|
adamc@666
|
1585 ctx->heap.front += len+1;
|
adamc@284
|
1586 return r;
|
adamc@284
|
1587 }
|
adamc@285
|
1588
|
adamc@311
|
1589 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
|
adamc@285
|
1590 int len;
|
adamc@285
|
1591 char *r;
|
adamc@285
|
1592
|
adamc@311
|
1593 uw_check_heap(ctx, FLOATS_MAX);
|
adamc@666
|
1594 r = ctx->heap.front;
|
adamc@285
|
1595 sprintf(r, "%g%n", n, &len);
|
adamc@666
|
1596 ctx->heap.front += len+1;
|
adamc@285
|
1597 return r;
|
adamc@285
|
1598 }
|
adamc@285
|
1599
|
adamc@311
|
1600 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
|
adamc@311
|
1601 if (b == uw_Basis_False)
|
adamc@285
|
1602 return "False";
|
adamc@285
|
1603 else
|
adamc@285
|
1604 return "True";
|
adamc@285
|
1605 }
|
adamc@288
|
1606
|
adamc@436
|
1607 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
|
adamc@436
|
1608 size_t len;
|
adamc@436
|
1609 char *r;
|
adamc@436
|
1610 struct tm stm;
|
adamc@436
|
1611
|
adamc@436
|
1612 if (localtime_r(&t, &stm)) {
|
adamc@436
|
1613 uw_check_heap(ctx, TIMES_MAX);
|
adamc@666
|
1614 r = ctx->heap.front;
|
adamc@436
|
1615 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
|
adamc@666
|
1616 ctx->heap.front += len+1;
|
adamc@436
|
1617 return r;
|
adamc@436
|
1618 } else
|
adamc@436
|
1619 return "<Invalid time>";
|
adamc@436
|
1620 }
|
adamc@288
|
1621
|
adamc@311
|
1622 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
|
adamc@288
|
1623 char *endptr;
|
adamc@311
|
1624 uw_Basis_int n = strtoll(s, &endptr, 10);
|
adamc@288
|
1625
|
adamc@288
|
1626 if (*s != '\0' && *endptr == '\0') {
|
adamc@311
|
1627 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
|
adamc@288
|
1628 *r = n;
|
adamc@288
|
1629 return r;
|
adamc@288
|
1630 } else
|
adamc@288
|
1631 return NULL;
|
adamc@288
|
1632 }
|
adamc@289
|
1633
|
adamc@311
|
1634 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
|
adamc@289
|
1635 char *endptr;
|
adamc@311
|
1636 uw_Basis_float n = strtod(s, &endptr);
|
adamc@289
|
1637
|
adamc@289
|
1638 if (*s != '\0' && *endptr == '\0') {
|
adamc@311
|
1639 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
|
adamc@289
|
1640 *r = n;
|
adamc@289
|
1641 return r;
|
adamc@289
|
1642 } else
|
adamc@289
|
1643 return NULL;
|
adamc@289
|
1644 }
|
adamc@289
|
1645
|
adamc@311
|
1646 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
|
adamc@311
|
1647 static uw_Basis_bool true = uw_Basis_True;
|
adamc@311
|
1648 static uw_Basis_bool false = uw_Basis_False;
|
adamc@289
|
1649
|
adamc@289
|
1650 if (!strcasecmp (s, "True"))
|
adamc@289
|
1651 return &true;
|
adamc@289
|
1652 else if (!strcasecmp (s, "False"))
|
adamc@289
|
1653 return &false;
|
adamc@289
|
1654 else
|
adamc@289
|
1655 return NULL;
|
adamc@289
|
1656 }
|
adamc@292
|
1657
|
adamc@436
|
1658 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
|
adamc@438
|
1659 char *dot = strchr(s, '.'), *end = strchr(s, 0);
|
adamc@436
|
1660 struct tm stm;
|
adamc@436
|
1661
|
adamc@439
|
1662 if (dot) {
|
adamc@439
|
1663 *dot = 0;
|
adamc@439
|
1664 if (strptime(s, TIME_FMT_PG, &stm) == end) {
|
adamc@439
|
1665 *dot = '.';
|
adamc@439
|
1666 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
|
adamc@439
|
1667 *r = mktime(&stm);
|
adamc@439
|
1668 return r;
|
adamc@439
|
1669 }
|
adamc@439
|
1670 else {
|
adamc@439
|
1671 *dot = '.';
|
adamc@439
|
1672 return NULL;
|
adamc@439
|
1673 }
|
adamc@436
|
1674 }
|
adamc@439
|
1675 else {
|
adamc@439
|
1676 if (strptime(s, TIME_FMT_PG, &stm) == end) {
|
adamc@439
|
1677 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
|
adamc@439
|
1678 *r = mktime(&stm);
|
adamc@439
|
1679 return r;
|
adamc@439
|
1680 }
|
adamc@439
|
1681 else if (strptime(s, TIME_FMT, &stm) == end) {
|
adamc@439
|
1682 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
|
adamc@439
|
1683 *r = mktime(&stm);
|
adamc@439
|
1684 return r;
|
adamc@439
|
1685 }
|
adamc@439
|
1686 else
|
adamc@439
|
1687 return NULL;
|
adamc@439
|
1688 }
|
adamc@436
|
1689 }
|
adamc@436
|
1690
|
adamc@311
|
1691 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
|
adamc@292
|
1692 char *endptr;
|
adamc@311
|
1693 uw_Basis_int n = strtoll(s, &endptr, 10);
|
adamc@292
|
1694
|
adamc@292
|
1695 if (*s != '\0' && *endptr == '\0')
|
adamc@292
|
1696 return n;
|
adamc@292
|
1697 else
|
adamc@311
|
1698 uw_error(ctx, FATAL, "Can't parse int: %s", s);
|
adamc@292
|
1699 }
|
adamc@293
|
1700
|
adamc@682
|
1701 #include <errno.h>
|
adamc@682
|
1702
|
adamc@678
|
1703 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
|
adamc@682
|
1704 unsigned long long n;
|
adamc@682
|
1705
|
adamc@682
|
1706 if (sscanf(s, "%llu", &n) < 1)
|
adamc@682
|
1707 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
|
adamc@682
|
1708 else {
|
adamc@682
|
1709 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
|
adamc@682
|
1710 return ch;
|
adamc@682
|
1711 }
|
adamc@682
|
1712 }
|
adamc@682
|
1713
|
adamc@682
|
1714 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
|
adamc@678
|
1715 char *endptr;
|
adamc@682
|
1716 unsigned long n = strtoul(s, &endptr, 10);
|
adamc@678
|
1717
|
adamc@678
|
1718 if (*s != '\0' && *endptr == '\0')
|
adamc@678
|
1719 return n;
|
adamc@678
|
1720 else
|
adamc@682
|
1721 uw_error(ctx, FATAL, "Can't parse client: %s", s);
|
adamc@678
|
1722 }
|
adamc@678
|
1723
|
adamc@311
|
1724 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
|
adamc@293
|
1725 char *endptr;
|
adamc@311
|
1726 uw_Basis_float n = strtod(s, &endptr);
|
adamc@293
|
1727
|
adamc@293
|
1728 if (*s != '\0' && *endptr == '\0')
|
adamc@293
|
1729 return n;
|
adamc@293
|
1730 else
|
adamc@311
|
1731 uw_error(ctx, FATAL, "Can't parse float: %s", s);
|
adamc@293
|
1732 }
|
adamc@293
|
1733
|
adamc@311
|
1734 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
|
adamc@296
|
1735 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
|
adamc@311
|
1736 return uw_Basis_True;
|
adamc@296
|
1737 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
|
adamc@311
|
1738 return uw_Basis_False;
|
adamc@293
|
1739 else
|
adamc@311
|
1740 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
|
adamc@293
|
1741 }
|
adamc@436
|
1742
|
adamc@436
|
1743 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
|
adamc@438
|
1744 char *dot = strchr(s, '.'), *end = strchr(s, 0);
|
adamc@436
|
1745 struct tm stm = {};
|
adamc@436
|
1746
|
adamc@438
|
1747 if (dot) {
|
adamc@438
|
1748 *dot = 0;
|
adamc@438
|
1749 if (strptime(s, TIME_FMT_PG, &stm)) {
|
adamc@438
|
1750 *dot = '.';
|
adamc@438
|
1751 return mktime(&stm);
|
adamc@438
|
1752 }
|
adamc@438
|
1753 else {
|
adamc@438
|
1754 *dot = '.';
|
adamc@438
|
1755 uw_error(ctx, FATAL, "Can't parse time: %s", s);
|
adamc@438
|
1756 }
|
adamc@438
|
1757 }
|
adamc@438
|
1758 else {
|
adamc@439
|
1759 if (strptime(s, TIME_FMT_PG, &stm) == end)
|
adamc@439
|
1760 return mktime(&stm);
|
adamc@439
|
1761 else if (strptime(s, TIME_FMT, &stm) == end)
|
adamc@438
|
1762 return mktime(&stm);
|
adamc@438
|
1763 else
|
adamc@438
|
1764 uw_error(ctx, FATAL, "Can't parse time: %s", s);
|
adamc@438
|
1765 }
|
adamc@436
|
1766 }
|
adamc@457
|
1767
|
adamc@463
|
1768 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
|
adamc@463
|
1769 int len = strlen(c);
|
adamc@666
|
1770 char *s = ctx->headers, *p = ctx->outHeaders.start;
|
adamc@474
|
1771
|
adamc@474
|
1772 while (p = strstr(p, "\nSet-Cookie: ")) {
|
adamc@474
|
1773 char *p2;
|
adamc@474
|
1774 p += 13;
|
adamc@474
|
1775 p2 = strchr(p, '=');
|
adamc@474
|
1776
|
adamc@474
|
1777 if (p2) {
|
adamc@474
|
1778 size_t sz = strcspn(p2+1, ";\r\n");
|
adamc@474
|
1779
|
adamc@474
|
1780 if (!strncasecmp(p, c, p2 - p)) {
|
adamc@474
|
1781 char *ret = uw_malloc(ctx, sz + 1);
|
adamc@474
|
1782 memcpy(ret, p2+1, sz);
|
adamc@474
|
1783 ret[sz] = 0;
|
adamc@474
|
1784 return ret;
|
adamc@474
|
1785 }
|
adamc@474
|
1786 }
|
adamc@474
|
1787 }
|
adamc@463
|
1788
|
adamc@463
|
1789 while (p = strchr(s, ':')) {
|
adamc@476
|
1790 if (!strncasecmp(s, "Cookie: ", 8)) {
|
adamc@476
|
1791 p += 2;
|
adamc@476
|
1792 while (1) {
|
adamc@476
|
1793 if (!strncmp(p, c, len)
|
adamc@476
|
1794 && p + len < ctx->headers_end && p[len] == '=')
|
adamc@476
|
1795 return p + 1 + len;
|
adamc@476
|
1796 else if (p = strchr(p, ';'))
|
adamc@476
|
1797 p += 2;
|
adamc@476
|
1798 else if ((s = strchr(s, 0)) && s < ctx->headers_end) {
|
adamc@476
|
1799 s += 2;
|
adamc@476
|
1800 break;
|
adamc@476
|
1801 }
|
adamc@476
|
1802 else
|
adamc@476
|
1803 return NULL;
|
adamc@476
|
1804 }
|
adamc@463
|
1805 } else {
|
adamc@463
|
1806 if ((s = strchr(p, 0)) && s < ctx->headers_end)
|
adamc@463
|
1807 s += 2;
|
adamc@463
|
1808 else
|
adamc@463
|
1809 return NULL;
|
adamc@463
|
1810 }
|
adamc@463
|
1811 }
|
adamc@457
|
1812 }
|
adamc@462
|
1813
|
adamc@466
|
1814 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
|
adamc@462
|
1815 uw_write_header(ctx, "Set-Cookie: ");
|
adamc@462
|
1816 uw_write_header(ctx, c);
|
adamc@462
|
1817 uw_write_header(ctx, "=");
|
adamc@462
|
1818 uw_write_header(ctx, v);
|
adamc@466
|
1819 uw_write_header(ctx, "; path=");
|
adamc@466
|
1820 uw_write_header(ctx, prefix);
|
adamc@462
|
1821 uw_write_header(ctx, "\r\n");
|
adamc@462
|
1822
|
adamc@462
|
1823 return uw_unit_v;
|
adamc@462
|
1824 }
|
adamc@667
|
1825
|
adamc@682
|
1826 static delta *allocate_delta(uw_context ctx, unsigned client) {
|
adamc@682
|
1827 unsigned i;
|
adamc@682
|
1828 delta *d;
|
adamc@671
|
1829
|
adamc@682
|
1830 for (i = 0; i < ctx->used_deltas; ++i)
|
adamc@682
|
1831 if (ctx->deltas[i].client == client)
|
adamc@682
|
1832 return &ctx->deltas[i];
|
adamc@671
|
1833
|
adamc@682
|
1834 if (ctx->used_deltas >= ctx->n_deltas) {
|
adamc@682
|
1835 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
|
adamc@682
|
1836 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
|
adamc@682
|
1837 }
|
adamc@671
|
1838
|
adamc@682
|
1839 d = &ctx->deltas[ctx->used_deltas++];
|
adamc@682
|
1840 d->client = client;
|
adamc@682
|
1841 buf_reset(&d->msgs);
|
adamc@682
|
1842 return d;
|
adamc@671
|
1843 }
|
adamc@671
|
1844
|
adamc@668
|
1845 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
|
adamc@682
|
1846 if (ctx->client == NULL)
|
adamc@682
|
1847 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
|
adamc@671
|
1848
|
adamc@682
|
1849 return new_channel(ctx->client);
|
adamc@668
|
1850 }
|
adamc@668
|
1851
|
adamc@668
|
1852 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
|
adamc@682
|
1853 delta *d = allocate_delta(ctx, chn.cli);
|
adamc@682
|
1854 size_t len;
|
adamc@682
|
1855 int preLen;
|
adamc@682
|
1856 char pre[INTS_MAX + 2];
|
adamc@668
|
1857
|
adamc@682
|
1858 len = strlen(msg);
|
adamc@682
|
1859
|
adamc@682
|
1860 sprintf(pre, "%u\n%n", chn.chn, &preLen);
|
adamc@682
|
1861
|
adamc@682
|
1862 buf_append(&d->msgs, pre, preLen);
|
adamc@682
|
1863 buf_append(&d->msgs, msg, len);
|
adamc@682
|
1864 buf_append(&d->msgs, "\n", 1);
|
adamc@671
|
1865
|
adamc@671
|
1866 return uw_unit_v;
|
adamc@668
|
1867 }
|
adamc@671
|
1868
|
adamc@671
|
1869 int uw_db_commit(uw_context);
|
adamc@671
|
1870 int uw_db_rollback(uw_context);
|
adamc@671
|
1871
|
adamc@671
|
1872 void uw_commit(uw_context ctx) {
|
adamc@682
|
1873 unsigned i;
|
adamc@671
|
1874
|
adamc@671
|
1875 if (uw_db_commit(ctx))
|
adamc@671
|
1876 uw_error(ctx, FATAL, "Error running SQL COMMIT");
|
adamc@682
|
1877
|
adamc@682
|
1878 for (i = 0; i < ctx->used_deltas; ++i) {
|
adamc@682
|
1879 delta *d = &ctx->deltas[i];
|
adamc@682
|
1880 client *c = find_client(d->client);
|
adamc@682
|
1881
|
adamc@682
|
1882 assert (c != NULL && c->mode == USED);
|
adamc@682
|
1883
|
adamc@685
|
1884 client_send(c, &d->msgs);
|
adamc@682
|
1885 }
|
adamc@682
|
1886
|
adamc@682
|
1887 if (ctx->client)
|
adamc@685
|
1888 release_client(ctx->client);
|
adamc@671
|
1889 }
|
adamc@671
|
1890
|
adamc@671
|
1891 int uw_rollback(uw_context ctx) {
|
adamc@682
|
1892 if (ctx->client)
|
adamc@685
|
1893 release_client(ctx->client);
|
adamc@671
|
1894
|
adamc@671
|
1895 return uw_db_rollback(ctx);
|
adamc@671
|
1896 }
|
adamc@683
|
1897
|
adamc@683
|
1898
|
adamc@683
|
1899 // "Garbage collection"
|
adamc@683
|
1900
|
adamc@683
|
1901 void uw_expunger(uw_context ctx, uw_Basis_client cli);
|
adamc@683
|
1902
|
adamc@683
|
1903 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
|
adamc@683
|
1904 int r = setjmp(ctx->jmp_buf);
|
adamc@683
|
1905
|
adamc@684
|
1906 if (r == 0) {
|
adamc@684
|
1907 if (uw_db_begin(ctx))
|
adamc@684
|
1908 uw_error(ctx, FATAL, "Error running SQL BEGIN");
|
adamc@683
|
1909 uw_expunger(ctx, cli);
|
adamc@684
|
1910 if (uw_db_commit(ctx))
|
adamc@684
|
1911 uw_error(ctx, FATAL, "Error running SQL COMMIT");
|
adamc@684
|
1912 }
|
adamc@683
|
1913
|
adamc@683
|
1914 return r;
|
adamc@683
|
1915 }
|
adamc@683
|
1916
|
adamc@683
|
1917 void uw_prune_clients(uw_context ctx) {
|
adamc@683
|
1918 client *c, *next, *prev = NULL;
|
adamc@683
|
1919 time_t cutoff;
|
adamc@683
|
1920
|
adamc@683
|
1921 cutoff = time(NULL) - uw_timeout;
|
adamc@683
|
1922
|
adamc@683
|
1923 pthread_mutex_lock(&clients_mutex);
|
adamc@683
|
1924
|
adamc@683
|
1925 for (c = clients_used; c; c = next) {
|
adamc@683
|
1926 next = c->next;
|
adamc@683
|
1927 pthread_mutex_lock(&c->lock);
|
adamc@685
|
1928 if (c->last_contact < cutoff && c->refcount == 0) {
|
adamc@683
|
1929 failure_kind fk = UNLIMITED_RETRY;
|
adamc@683
|
1930 if (prev)
|
adamc@683
|
1931 prev->next = next;
|
adamc@683
|
1932 else
|
adamc@683
|
1933 clients_used = next;
|
adamc@684
|
1934 uw_reset(ctx);
|
adamc@683
|
1935 while (fk == UNLIMITED_RETRY) {
|
adamc@683
|
1936 fk = uw_expunge(ctx, c->id);
|
adamc@684
|
1937 if (fk == UNLIMITED_RETRY) {
|
adamc@684
|
1938 uw_db_rollback(ctx);
|
adamc@684
|
1939 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
|
adamc@683
|
1940 }
|
adamc@683
|
1941 }
|
adamc@684
|
1942 if (fk == SUCCESS)
|
adamc@684
|
1943 free_client(c);
|
adamc@684
|
1944 else {
|
adamc@684
|
1945 uw_db_rollback(ctx);
|
adamc@683
|
1946 printf("Expunge blocked by error: %s\n", uw_error_message(ctx));
|
adamc@684
|
1947 }
|
adamc@683
|
1948 }
|
adamc@683
|
1949 else
|
adamc@683
|
1950 prev = c;
|
adamc@683
|
1951 pthread_mutex_unlock(&c->lock);
|
adamc@683
|
1952 }
|
adamc@683
|
1953
|
adamc@683
|
1954 pthread_mutex_unlock(&clients_mutex);
|
adamc@683
|
1955 }
|
adamc@687
|
1956
|
adamc@687
|
1957 void uw_initializer(uw_context ctx);
|
adamc@687
|
1958
|
adamc@687
|
1959 failure_kind uw_initialize(uw_context ctx) {
|
adamc@687
|
1960 int r = setjmp(ctx->jmp_buf);
|
adamc@687
|
1961
|
adamc@687
|
1962 if (r == 0) {
|
adamc@687
|
1963 if (uw_db_begin(ctx))
|
adamc@687
|
1964 uw_error(ctx, FATAL, "Error running SQL BEGIN");
|
adamc@687
|
1965 uw_initializer(ctx);
|
adamc@687
|
1966 if (uw_db_commit(ctx))
|
adamc@687
|
1967 uw_error(ctx, FATAL, "Error running SQL COMMIT");
|
adamc@687
|
1968 }
|
adamc@687
|
1969
|
adamc@687
|
1970 return r;
|
adamc@687
|
1971 }
|