/*  The sample_plugin plugin is a plugin for partysip.  Copyright (C) 2002  Aymeric MOIZARD - <jack@atosc.org>    The sample_plugin 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 sample_plugin 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 sample_plugin; if not, write to the Free Software  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*/#include <partysip/partysip.h>#include "sample_plugin.h"#define PSP_SERVER_CF_DIR PSP_SERVER_CONFIG_DIR/* this structure is retreived by the core application   with dlsym */psp_plugin_t PPL_DECLARE_DATA sample_plugin_plugin;/* element shared with the core application layer *//* all xxx_plugin elements MUST be DYNAMICLY ALLOCATED   as the core application will assume they are */imp_plugin_t *sample_plugin_plugin1;uap_plugin_t *sample_plugin_plugin2;extern sample_plugin_ctx_t *sample_plugin_context;/* this is called by the core application when the module   is loaded (the address of this method is located in   the structure sample_plugin_plugin->plugin_init() */int plugin_init(){  char *noauth;  imp_func_t *fn;  uap_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  */  TRACE(trace(__FILE__,__LINE__,TRACE_LEVEL2,NULL,	      "INFO: sample_plugin plugin: plugin_init()!\n"));  i = sample_plugin_ctx_init();  if (i!=0)    goto pi_error1;  psp_plugin_take_ownership(&sample_plugin_plugin);  i = psp_core_load_imp_plugin(&sample_plugin_plugin1, &sample_plugin_plugin);  if (i!=0)    goto pi_error2;  psp_plugin_take_ownership(&sample_plugin_plugin);  i = psp_core_load_uap_plugin(&sample_plugin_plugin2, &sample_plugin_plugin);  if (i!=0)    goto pi_error2;  /* INIT HOOK METHOD FOR IMP */  /* hook sample for INVITE */  i = imp_func_init(&fn, &cb_sample_plugin_on_INVITE,		    sample_plugin_plugin.plug_id);  if (i!=0) goto pi_error3;  i = psp_core_add_imp_invite_hook(fn, PSP_HOOK_REALLY_FIRST);  if (i!=0) goto pi_error4;  /* hook sample for 2XX */  i = uap_func_init(&fn2, &cb_sample_plugin_on_2XX,		    sample_plugin_plugin.plug_id);  if (i!=0) goto pi_error5;  i = psp_core_add_uap_2xx_hook(fn2, PSP_HOOK_MIDDLE);  if (i!=0) goto pi_error6;  i = uap_func_init(&fn2, &cb_sample_plugin_on_3456XX,		    sample_plugin_plugin.plug_id);  if (i!=0) goto pi_error7;  i = psp_core_add_uap_2xx_hook(fn2, PSP_HOOK_MIDDLE);  if (i!=0) goto pi_error8;  return 0; pi_error8:  /* YOU HAVE TO manage the memory in case of errors... */ pi_error7: pi_error6: pi_error5: pi_error4: pi_error3:  /* ... */ pi_error2:  sample_plugin_ctx_free(); pi_error1:  return -1;}/* THIS METHOD IS NOT USED IN 0.4.4 */int plugin_start(){  TRACE(trace(__FILE__,__LINE__,TRACE_LEVEL2,NULL,	      "INFO: sample_plugin plugin: plugin_start()!\n"));  return -1;}int plugin_release(){  TRACE(trace(__FILE__,__LINE__,TRACE_LEVEL2,NULL,	      "INFO: sample_plugin plugin: plugin_release()!\n"));  sample_plugin_ctx_free();  sample_plugin_context=NULL;  return -1;}psp_plugin_t PPL_DECLARE_DATA sample_plugin_plugin = {  0,          /* uninitialized DO NOT TOUCH */  "Sample_Plugin plugin",  "0.1.0",  "This is just a sample_plugin. It does nothing.",  PLUGIN_IMP|PLUGIN_UAP,              /* PLUGIN_TLP | PLUGIN_IMP | PLUGIN_UAP | PLUGIN_SLP | PLUGIN_SFP */  0,          /* number of owners is always 0 at the begining: DO NOT TOUCH */  NULL,       /* future place for the dso_handle: DO NOT TOUCH */  &plugin_init,        /* DO NOT TOUCH */  &plugin_start,       /* DO NOT TOUCH */  &plugin_release      /* DO NOT TOUCH */};