src/ttrss_wsasync.c

   1 /*
   2  * Copyright (C) 2010-2013 jeanfi@gmail.com
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  */
  19
  20 #include <unistd.h>
  21
  22 #include <pthread.h>
  23
  24 #include <json/json.h>
  25
  26 #include "list.h"
  27 #include "log.h"
  28 #include "ttrss_ws.h"
  29 #include "ttrss_wsasync.h"
  30
  31 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
  32
  33 static struct json_object **requests;
  34
  35 static pthread_t *thread;
  36
  37 void *loop()
  38 {
  39         struct json_object **tmp, **cur, *rp, *rq;
  40
  41         while (1) {
  42                 log_debug("loop()");
  43
  44                 pthread_mutex_lock(&lock);
  45                 if (requests) {
  46                         tmp = requests;
  47                         requests = NULL;
  48                 } else {
  49                         tmp = NULL;
  50                 }
  51                 pthread_mutex_unlock(&lock);
  52
  53                 if (tmp) {
  54                         cur = tmp;
  55                         while (*cur) {
  56                                 rq = *cur;
  57                                 rp = ws_execute(rq);
  58                                 json_object_put(rq);
  59                                 if (rp)
  60                                         json_object_put(rp);
  61                                 cur++;
  62                         }
  63                         free(tmp);
  64                 }
  65
  66                 log_debug("loop() done");
  67                 sleep(1);
  68         }
  69
  70         pthread_exit(NULL);
  71 }
  72
  73 void ws_async_set_article_unread(int id, int unread)
  74 {
  75         struct json_object *rq, **tmp;
  76
  77         log_debug("ws_async_set_article_unread(%d,%d)", id, unread);
  78
  79         rq = ws_request_new_set_article_unread(id, unread);
  80
  81         pthread_mutex_lock(&lock);
  82         if (!thread) {
  83                 thread = malloc(sizeof(pthread_t));
  84                 pthread_create(thread, NULL, loop, NULL);
  85         }
  86
  87         tmp = (struct json_object **)list_add((void **)requests, rq);
  88         list_free((void **)requests);
  89         requests = tmp;
  90         pthread_mutex_unlock(&lock);
  91
  92         log_debug("ws_async_set_article_unread(%d,%d) done", id, unread);
  93 }