http_blerg.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <microhttpd.h>
   5 #include "database.h"
   6 #include "tags.h"
   7
   8 #define DERP "DERP DERP DERP"
   9 #define NOTFOUND "<html><head><title>404 Not Found</title></head><body><h1>404 Not Found</h1>I couldn't find that record.</body></html>"
  10
  11 static int
  12 ahc_derp (void *cls, struct MHD_Connection *connection, const char *url, const char *method,
  13           const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) {
  14         struct MHD_Response *response;
  15         int ret, len;
  16         const char *c;
  17         char *data;
  18
  19         if (strncmp(url, "/get", 4) == 0 && strlen(url) > 4) {
  20                 char author[33];
  21                 uint64_t record;
  22
  23                 if (strcmp(method, MHD_HTTP_METHOD_GET) != 0)
  24                         return MHD_NO;
  25                 c = strchr(url + 5, '/');
  26                 if (c == NULL) {
  27                         len = strlen(url) - 5;
  28                 } else {
  29                         len = c - (url + 5);
  30                 }
  31                 memcpy(author, url + 5, len);
  32                 author[len] = 0;
  33
  34                 c = url + (5 + len);
  35                 if (c[0] == '/' && c[1] != 0) {
  36                         record = strtoull(c + 1, NULL, 10);
  37                         if (*ptr == NULL) {
  38                                 *ptr = (void *) 1;
  39                                 return MHD_YES;
  40                         } else {
  41                                 *ptr == NULL;
  42
  43                                 struct blerg *b = blerg_open(author);
  44                                 ret = blerg_fetch(b, record, &data, &len);
  45                                 blerg_close(b);
  46
  47                                 if (ret == 0) {
  48                                         response = MHD_create_response_from_data(strlen(NOTFOUND), NOTFOUND, MHD_NO, MHD_NO);
  49                                         ret = MHD_queue_response(connection, MHD_HTTP_NOT_FOUND, response);
  50                                 } else {
  51                                         response = MHD_create_response_from_data(len, data, MHD_YES, MHD_NO);
  52                                         ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
  53                                 }
  54                                 MHD_destroy_response(response);
  55                                 return ret;
  56                         }
  57                 } else {
  58                         if (*ptr == NULL) {
  59                                 *ptr = (void*) 1;
  60                                 return MHD_YES;
  61                         } else {
  62                                 *ptr == NULL;
  63                                 response = MHD_create_response_from_data(strlen(DERP), DERP, MHD_NO, MHD_NO);
  64                                 ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
  65                                 MHD_destroy_response(response);
  66                                 return ret;
  67                         }
  68                 }
  69         } else {
  70                 return MHD_NO;
  71         }
  72 }
  73
  74
  75 int main(int argc, char *argv[]) {
  76         struct MHD_Daemon *daemon;
  77         fd_set rs, ws, es;
  78         int max;
  79
  80         daemon = MHD_start_daemon(MHD_USE_DEBUG, 8080, NULL, NULL, &ahc_derp, NULL, MHD_OPTION_END);
  81         if (daemon == NULL) {
  82                 fprintf(stderr, "Could not start web server\n");
  83                 return 1;
  84         }
  85
  86         while (1) {
  87                 FD_ZERO(&rs); FD_ZERO(&ws); FD_ZERO(&es);
  88                 if (MHD_get_fdset(daemon, &rs, &ws, &es, &max) != MHD_YES) {
  89                         fprintf(stderr, "Fatal error getting fd sets\n");
  90                         break;
  91                 }
  92                 select(max + 1, &rs, &ws, &es, NULL);
  93                 MHD_run(daemon);
  94         }
  95         MHD_stop_daemon(daemon);
  96         return 0;
  97 }