/*********************************************************************************************************
* Software License Agreement (BSD License)                                                               *
* Author: Alexandre Westfahl <awestfahl@freediameter.net>						 *
*													 *
* Copyright (c) 2010, Alexandre Westfahl, Teraoka Laboratory (Keio University), and the WIDE Project. 	 *		
*													 *
* All rights reserved.											 *
* 													 *
* Redistribution and use of this software in source and binary forms, with or without modification, are  *
* permitted provided that the following conditions are met:						 *
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* * Redistributions of source code must retain the above 						 *
*   copyright notice, this list of conditions and the 							 *
*   following disclaimer.										 *
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* * Redistributions in binary form must reproduce the above 						 *
*   copyright notice, this list of conditions and the 							 *
*   following disclaimer in the documentation and/or other						 *
*   materials provided with the distribution.								 *
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* * Neither the name of the Teraoka Laboratory nor the 							 *
*   names of its contributors may be used to endorse or 						 *
*   promote products derived from this software without 						 *
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*********************************************************************************************************/


#include"test_sip.h"

struct disp_hdl * test_sip_MAR_hdl=NULL;
struct disp_hdl * test_sip_LIR_hdl=NULL;
struct disp_hdl * test_sip_UAR_hdl=NULL;
struct disp_hdl * test_sip_SAR_hdl=NULL;
struct disp_hdl * test_sip_PPA_hdl=NULL;
struct disp_hdl * test_sip_RTA_hdl=NULL;

struct disp_hdl * test_sip_MAA_hdl=NULL;
struct disp_hdl * test_sip_LIA_hdl=NULL;
struct disp_hdl * test_sip_UAA_hdl=NULL;
struct disp_hdl * test_sip_SAA_hdl=NULL;
struct disp_hdl * test_sip_PPR_hdl=NULL;
struct disp_hdl * test_sip_RTR_hdl=NULL;


struct disp_hdl * test_sip_default_hdl=NULL;

//configuration stucture
struct ts_conf * ts_conf=NULL;
static struct ts_conf test_sip_conf;


//dictionary of SIP
struct sip_dict sip_dict;

int test_sip_default_cb( struct msg ** msg, struct avp * avp, struct session * sess, void * opaque, enum disp_action * act)
{
	TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act);
	
	return 0;
}


/*
void dump_config()
{
	TRACE_DEBUG(FULL,"***Configuration of TEST Diameter-SIP extension***");
	TRACE_DEBUG(FULL,"# username: *%s*",ts_conf->username);
	TRACE_DEBUG(FULL,"# password: *%s*",ts_conf->password);
	TRACE_DEBUG(FULL,"# sip_aor: *%s*",ts_conf->sip_aor);
	TRACE_DEBUG(FULL,"# destination_realm: *%s*",ts_conf->destination_realm);
	TRACE_DEBUG(FULL,"# destination_sip: *%s*",ts_conf->destination_sip);
	TRACE_DEBUG(FULL,"***End of TEST Diameter-SIP configuration extension***");
}
*/
static int ts_conf_init(void)
{
	ts_conf=&test_sip_conf;
	//memset(app_sip_conf, 0, sizeof(struct ts_conf));
	

	return 0;
}

/* entry point */
int ts_entry(char * conffile)
{
	TRACE_ENTRY("%p", conffile);
	
	struct dict_object * app=NULL;
	struct disp_when data;
	
	
	//TODO: activate again configuration file
	CHECK_FCT( ts_conf_init() );
	/* Initialize configuration 
	//CHECK_FCT( ts_conf_init() );
	
	
	//We parse the configuration file
	if (conffile != NULL) {
		CHECK_FCT( ts_conf_handle(conffile) );
	}
	else
	{
		TRACE_DEBUG(INFO, "We need a configuration file for Diameter-SIP extension. See doc/ for an example.");
	}
	
	//We can dump the configuration extracted from app_sip.conf
	dump_config();
	*/
	
	
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_APPLICATION, APPLICATION_BY_NAME, "Diameter Session Initiation Protocol (SIP) Application", &app, ENOENT) );
	CHECK_FCT( fd_disp_app_support ( app, NULL, 1, 0 ) );
	
	
	//We set useful AVPs 
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Auth-Session-State", &sip_dict.Auth_Session_State, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Auth-Application-Id", &sip_dict.Auth_Application_Id, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Host", &sip_dict.Destination_Host, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Realm", &sip_dict.Destination_Realm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &sip_dict.Session_Id, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Redirect-Host", &sip_dict.Redirect_Host, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Redirect-Host-Usage", &sip_dict.Redirect_Host_Usage, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Auth-Data-Item", &sip_dict.SIP_Auth_Data_Item, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authorization", &sip_dict.SIP_Authorization, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authenticate", &sip_dict.SIP_Authenticate, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Number-Auth-Items", &sip_dict.SIP_Number_Auth_Items, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authentication-Scheme", &sip_dict.SIP_Authentication_Scheme, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authentication-Info", &sip_dict.SIP_Authentication_Info, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Server-URI", &sip_dict.SIP_Server_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Server-Capabilities", &sip_dict.SIP_Server_Capabilities, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Mandatory-Capability", &sip_dict.SIP_Mandatory_Capability, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Optional-Capability", &sip_dict.SIP_Optional_Capability, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Method", &sip_dict.SIP_Method, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-AOR", &sip_dict.SIP_AOR, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Deregistration-Reason", &sip_dict.SIP_Deregistration_Reason, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Reason-Code", &sip_dict.SIP_Reason_Code, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Reason-Info", &sip_dict.SIP_Reason_Info, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Accounting-Information", &sip_dict.SIP_Accounting_Information, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Accounting-Server-URI", &sip_dict.SIP_Accounting_Server_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Credit-Control-Server-URI", &sip_dict.SIP_Credit_Control_Server_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Server-Assignment-Type", &sip_dict.SIP_Server_Assignment_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Item-Number", &sip_dict.SIP_Item_Number, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Authorization-Type", &sip_dict.SIP_User_Authorization_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Supported-User-Data-Type", &sip_dict.SIP_Supported_User_Data_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data", &sip_dict.SIP_User_Data, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data-Type", &sip_dict.SIP_User_Data_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data-Contents", &sip_dict.SIP_User_Data_Contents, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data-Already-Available", &sip_dict.SIP_User_Data_Already_Available, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Visited-Network-Id", &sip_dict.SIP_Visited_Network_Id, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Realm", &sip_dict.Digest_Realm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-URI", &sip_dict.Digest_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Nonce", &sip_dict.Digest_Nonce, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-CNonce", &sip_dict.Digest_CNonce, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Method", &sip_dict.Digest_Method, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Nonce-Count", &sip_dict.Digest_Nonce_Count, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Realm", &sip_dict.Digest_Realm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Response", &sip_dict.Digest_Response, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Response-Auth", &sip_dict.Digest_Response_Auth, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Username", &sip_dict.Digest_Username, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Algorithm", &sip_dict.Digest_Algorithm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-QoP", &sip_dict.Digest_QOP, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "User-Name", &sip_dict.User_Name, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-HA1", &sip_dict.Digest_HA1, ENOENT) );
	
	
	//Register Application
	memset(&data, 0, sizeof(data));
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_APPLICATION, APPLICATION_BY_NAME, "Diameter Session Initiation Protocol (SIP) Application", &data.app, ENOENT) );
	
	
	//**Command Codes
	/**/
	//MAA
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Multimedia-Auth-Answer", &data.command, ENOENT) );
	CHECK_FCT( fd_disp_register( test_sip_MAA_cb, DISP_HOW_CC, &data, NULL, &test_sip_MAA_hdl ) );
	
	//UAA
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "User-Authorization-Answer", &data.command, ENOENT) );
	CHECK_FCT( fd_disp_register( test_sip_UAA_cb, DISP_HOW_CC, &data, NULL, &test_sip_UAA_hdl ) );
	
	//RTR
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Registration-Termination-Request", &data.command, ENOENT) );
	CHECK_FCT( fd_disp_register( test_sip_RTR_cb, DISP_HOW_CC, &data, NULL, &test_sip_RTR_hdl ) );
	
	//LIA
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Location-Info-Answer", &data.command, ENOENT) );
	CHECK_FCT( fd_disp_register( test_sip_LIA_cb, DISP_HOW_CC, &data, NULL, &test_sip_LIA_hdl ) );
	
	//LIA
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Server-Assignment-Answer", &data.command, ENOENT) );
	CHECK_FCT( fd_disp_register( test_sip_SAA_cb, DISP_HOW_CC, &data, NULL, &test_sip_SAA_hdl ) );
	
	//Callback for unexpected messages
	CHECK_FCT( fd_disp_register( test_sip_default_cb, DISP_HOW_APPID, &data, NULL, &test_sip_default_hdl ) );
	
	/*
	//We start database connection
	if(start_mysql_connection())
		return 1;
	*/
	
	//CHECK_FCT( fd_event_trig_regcb(30, "test_sip", (void *)test_sipSL_LIR_cb ) );
	CHECK_FCT( fd_event_trig_regcb(30, "test_sip", (void *)test_sip_SAR_cb ) );
	CHECK_FCT( fd_event_trig_regcb(31, "test_sip", (void *)test_sip_LIR_cb ) );
	
	return 0;
}

//Cleanup callback
void fd_ext_fini(void)
{
	/*
	if (test_sip_MAR_cb) {
		(void) fd_disp_unregister(&test_sip_MAR_hdl);
		CHECK_FCT_DO( fd_sess_handler_destroy(&ts_sess_hdl),return);
	}
	*/
	//We close database connection
	//close_mysql_connection();
	

	TRACE_ENTRY();
	return ;
}

EXTENSION_ENTRY("test_sip", ts_entry, "dict_sip");