text: /*********************************************************************************************************
  * Software License Agreement (BSD License)                                                               *
  * Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
  *													 *
  * Copyright (c) 2011, WIDE Project and NICT								 *
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  * 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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  *   copyright notice, this list of conditions and the 							 *
  *   following disclaimer.										 *
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  *   copyright notice, this list of conditions and the 							 *
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  *********************************************************************************************************/
  
  /* 
   * This extension provides a simple Diameter network emulator mechanism.
   * It allows the introduction of delays and duplicates of Diameter messages.
   * See test_netemul.conf.sample file for the format of the configuration file.
   */
  
  #include "test_netemul.h"
  
  /* The configuration structure */
  struct tne_conf tne_conf;
  
  
  
  /* Proxying callback */
  static int tne_fwd_cb(void * cbdata, struct msg ** msg)
  {
  	struct msg * m;
  	
  	TRACE_ENTRY("%p %p", cbdata, msg);
  	
  	m = *msg;
  	*msg = NULL;
  	
  	TRACE_DEBUG(FULL, "[tne] Processing message %p", m);
  	CHECK_FCT( tne_process_message(m) );
  	
  	return 0;
  }
  
  
  static struct fd_rt_fwd_hdl * fwd_hdl = NULL;
  
  /* Register the callbacks to the daemon */
  static int tne_main(char * conffile)
  {
  	TRACE_ENTRY("%p", conffile);
  	
  	/* Initialize the configuration */
  	memset(&tne_conf, 0, sizeof(tne_conf));
  	tne_conf.lat_avg = 500;
  	tne_conf.lat_dev = 20;
  	tne_conf.dupl_proba = 1E-2;
  	
  	/* Parse the configuration file */
  	CHECK_FCT( tne_conf_handle(conffile) );
  	
  	/* Initialize the process module */
  	CHECK_FCT( tne_process_init() );
  	
  	/* Now, register the proxying callback */
  	CHECK_FCT( fd_rt_fwd_register ( tne_fwd_cb, NULL, RT_FWD_REQ, &fwd_hdl ) );
  
  	return 0;
  }
  
  /* Cleanup the callbacks */
  void fd_ext_fini(void)
  {
  	TRACE_ENTRY();
  	
  	/* Unregister the module */
  	CHECK_FCT_DO( fd_rt_fwd_unregister ( fwd_hdl, NULL ), /* continue */ );
  	
  	/* Destroy the process thread */
  	CHECK_FCT_DO( tne_process_fini (  ), /* continue */ );
  	
  	return ;
  }
  
  /* Define the entry point function */
  EXTENSION_ENTRY("test_netemul", tne_main);
  