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 <stdlib.h>
  21 #include <unistd.h>
  22
  23 #include <pthread.h>
  24
  25 #include <json/json.h>
  26
  27 #include "list.h"
  28 #include "log.h"
  29 #include "ttrss_ws.h"
  30 #include "ttrss_wsasync.h"
  31
  32 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
  33
  34 static struct json_object **requests;
  35
  36 static pthread_t *thread;
  37
  38 void *loop()
  39 {
  40         struct json_object **tmp, **cur, *rp, *rq;
  41
  42         while (1) {
  43                 log_debug("loop()");
  44
  45                 pthread_mutex_lock(&lock);
  46                 if (requests) {
  47                         tmp = requests;
  48                         requests = NULL;
  49                 } else {
  50                         tmp = NULL;
  51                 }
  52                 pthread_mutex_unlock(&lock);
  53
  54                 if (tmp) {
  55                         cur = tmp;
  56                         while (*cur) {
  57                                 rq = *cur;
  58                                 rp = ws_execute(rq);
  59                                 json_object_put(rq);
  60                                 if (rp)
  61                                         json_object_put(rp);
  62                                 cur++;
  63                         }
  64                         free(tmp);
  65                 }
  66
  67                 log_debug("loop() done");
  68                 sleep(1);
  69         }
  70
  71         pthread_exit(NULL);
  72 }
  73
  74 void ws_async_set_article_unread(int id, int unread)
  75 {
  76         struct json_object *rq, **tmp;
  77
  78         log_debug("ws_async_set_article_unread(%d,%d)", id, unread);
  79
  80         rq = ws_request_new_set_article_unread(id, unread);
  81
  82         pthread_mutex_lock(&lock);
  83         if (!thread) {
  84                 thread = malloc(sizeof(pthread_t));
  85                 pthread_create(thread, NULL, loop, NULL);
  86         }
  87
  88         tmp = (struct json_object **)list_add((void **)requests, rq);
  89         list_free((void **)requests);
  90         requests = tmp;
  91         pthread_mutex_unlock(&lock);
  92
  93         log_debug("ws_async_set_article_unread(%d,%d) done", id, unread);
  94 }