plugin_core.c

partysip 插件开发 用于实时在线管理

/*
  The NOTIFY plugin is a GPL plugin for partysip.
  Copyright (C) 2002 2003  Aymeric MOIZARD - <[e-mail]>
  
  The NOTIFY plugin is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  
  The NOTIFY plugin is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with Foobar; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <partysip/partysip.h>
#include "plugin.h"

/* this structure is retreived by the core application
   with dlsym */
psp_plugin_t PSP_PLUGIN_DECLARE_DATA mysqldb_notify_plugin;

/* element shared with the core application layer */
/* all xxx_plugin elements MUST be DYNAMICLY ALLOCATED
   as the core application will assume they are */
sfp_plugin_t *apsp_plugin1;
char name_config[50];

extern plugin_ctx_t *plugin_context;

/* this is called by the core application when the module
   is loaded (the address of this method is located in
   the structure mysqldb_notify_plugin->plugin_init() */
PSP_PLUGIN_DECLARE (int)
plugin_init (char *_name_config)
{
  sfp_snd_func_t *fn2;
  int i;

  /* plugin MUST create their own structure and give them
     back to the core by calling:
     psp_core_load_xxx_plugin();
     where xxx is the module name related to the plugin.
     psp_plugins can have more than one xxx_plugins attached
   */
  OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO2, NULL,
                          "%s plugin: plugin_init()!\n", PLUGIN_NAME));

  /* default config name */
#ifndef WIN32
  if (_name_config==NULL)
    snprintf(name_config, 49, "mysqldb_notify");
  else
    snprintf(name_config, 49, _name_config);
#else
  if (_name_config==NULL)
    _snprintf(name_config, 49, "mysqldb_notify");
  else
    _snprintf(name_config, 49, _name_config);
#endif

  i = plugin_ctx_init ();
  if (i != 0)
    goto pi_error1;

  psp_plugin_take_ownership (&mysqldb_notify_plugin);
  i = psp_core_load_sfp_plugin (&apsp_plugin1, &mysqldb_notify_plugin);
  if (i != 0)
    goto pi_error2;


  /* INIT HOOK METHOD FOR UAP */
  i = sfp_snd_func_init (&fn2, &cb_plugin_catch_2xxanswer, mysqldb_notify_plugin.plug_id);
  if (i != 0)
    goto pi_error5;
  i = psp_core_add_sfp_snd_2xx_hook (fn2, PSP_HOOK_MIDDLE);
  if (i != 0)
    goto pi_error5;

  return 0;


  /* TODO */
pi_error5:
pi_error2:
  plugin_ctx_free ();
  plugin_context = NULL;
pi_error1:
  return -1;
}

PSP_PLUGIN_DECLARE (int)
plugin_start ()
{
  /*  Really useless!
     OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_INFO1,NULL,
     "%s plugin: plugin_start()!\n", PLUGIN_NAME));
   */

  return -1;
}

PSP_PLUGIN_DECLARE (int)
plugin_release ()
{
  OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO1, NULL,
                          "%s plugin: plugin_release()!\n", PLUGIN_NAME));
  plugin_ctx_free ();
  plugin_context = NULL;
  return -1;
}

psp_plugin_t PSP_PLUGIN_DECLARE_DATA mysqldb_notify_plugin = {
  0,                            /* uninitialized */
  "mysqldb_notify",
  "2.1.0",
  "plugin acting as a presence server (sends notify).",
  PLUGIN_SFP,
  0,                            /* number of owners is always 0 at the begining */
  NULL,                         /* future place for the dso_handle */
  &plugin_init,
  &plugin_start,
  &plugin_release
};