/*********************************************************************************************************
* Software License Agreement (BSD License)                                                               *
* Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
*													 *
* Copyright (c) 2013, WIDE Project and NICT								 *
* 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:						 *
* 													 *
* * Redistributions of source code must retain the above 						 *
*   copyright notice, this list of conditions and the 							 *
*   following disclaimer.										 *
*    													 *
* * 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.								 *
* 													 *
* * Neither the name of the WIDE Project or NICT nor the 						 *
*   names of its contributors may be used to endorse or 						 *
*   promote products derived from this software without 						 *
*   specific prior written permission of WIDE Project and 						 *
*   NICT.												 *
* 													 *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
*********************************************************************************************************/

#include "tests.h"

#include <cnxctx.h>

#ifndef TEST_PORT
#define TEST_PORT	3868
#endif /* TEST_PORT */

#ifndef NB_STREAMS
#define NB_STREAMS	10
#endif /* NB_STREAMS */



/* Main test routine */
int main(int argc, char *argv[])
{
#ifdef DISABLE_SCTP
	INIT_FD();
	/* In this case, we don't perform this simple test */
	PASSTEST();
#else /* DISABLE_SCTP */
	struct cnxctx cli, srv; /* we use only their cc_socket & cc_state */
	int sock;
	char buf1[]="abcdef";
	char *buf2;
	size_t sz;
	struct iovec iov;
	struct fd_list eps = FD_LIST_INITIALIZER(eps);
	uint16_t str;
	int ev;
	
	/* Initialize the server addresses */
	{
		struct addrinfo hints, *ai, *aip;
		memset(&hints, 0, sizeof(hints));
		hints.ai_flags  = AI_NUMERICSERV;
		hints.ai_family = AF_INET;
		CHECK( 0, getaddrinfo("localhost", _stringize(TEST_PORT), &hints, &ai) );
		aip = ai;
		while (aip) {
			CHECK( 0, fd_ep_add_merge( &eps, aip->ai_addr, aip->ai_addrlen, EP_FL_DISC | EP_ACCEPTALL ));
			aip = aip->ai_next;
		};
		freeaddrinfo(ai);
		
		CHECK( 0, FD_IS_LIST_EMPTY(&eps) ? 1 : 0 );
	}
	
	memset(&cli, 0, sizeof(cli));
	memset(&srv, 0, sizeof(srv));
	
	/* First, initialize the daemon modules */
	INIT_FD();
	
	/* Restrain the # of streams */
	fd_g_config->cnf_sctp_str = NB_STREAMS;
	
	/* Create the server socket */
	CHECK( 0, fd_sctp_create_bind_server( &sock, AF_INET6, &eps, TEST_PORT ));
	
	/* Accept incoming clients */
	CHECK( 0, fd_sctp_listen( sock ));
	
	/* Now, create the client socket */
	CHECK( 0, fd_sctp_client( &cli.cc_socket, 0, TEST_PORT, &eps ));
	
	/* Accept this connection */
	srv.cc_socket = accept(sock, NULL, NULL);
	
	/* Send a first message */
	iov.iov_base = buf1;
	iov.iov_len = sizeof(buf1);
	CHECK( sizeof(buf1), fd_sctp_sendstrv(&srv, 1, &iov, 1 ) );
	CHECK( 0, srv.cc_state);
	
	/* Receive this message */
redo1:
	CHECK( 0, fd_sctp_recvmeta(&cli, &str, (uint8_t **)&buf2, &sz, &ev) );
	if (ev == FDEVP_CNX_EP_CHANGE)
		goto redo1;
	CHECK( FDEVP_CNX_MSG_RECV, ev);
	CHECK( 0, cli.cc_state);
	CHECK( 1, str);
	CHECK( sizeof(buf1), sz );
	CHECK( 0, memcmp(buf1, buf2, sz) );
	free(buf2); buf2 = NULL;
	
	/* Send in the other direction */
	CHECK( sizeof(buf1), fd_sctp_sendstrv(&cli, 2, &iov, 1) );
	CHECK( 0, cli.cc_state);
	
	/* Receive this message */
redo2:
	CHECK( 0, fd_sctp_recvmeta(&srv, &str, (uint8_t **)&buf2, &sz, &ev) );
	if (ev == FDEVP_CNX_EP_CHANGE)
		goto redo2;
	CHECK( FDEVP_CNX_MSG_RECV, ev);
	CHECK( 0, srv.cc_state);
	CHECK( 2, str);
	CHECK( sizeof(buf1), sz );
	CHECK( 0, memcmp(buf1, buf2, sz) );
	free(buf2); buf2 = NULL;
	
	/* That's all for the tests yet */
	PASSTEST();
#endif /* DISABLE_SCTP */
}