src/func_tests/test_assoc_shutdown.c - RealtimeRoboticsGroup/test - Gitiles

 /* SCTP kernel Implementation
  * (C) Copyright IBM Corp. 2001, 2003
  * Copyright (c) 1999-2000 Cisco, Inc.
  * Copyright (c) 1999-2001 Motorola, Inc.
  * Copyright (c) 2001 Intel Corp.
  * Copyright (c) 2001 Nokia, Inc.
  *
  * The SCTP implementation 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, or (at your option)
  * any later version.
  *
  * The SCTP implementation 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 GNU CC; see the file COPYING.  If not, write to
  * the Free Software Foundation, 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  *
  * Please send any bug reports or fixes you make to the
  * email address(es):
  *    lksctp developers <lksctp-developers@lists.sourceforge.net>
  *
  * Or submit a bug report through the following website:
  *    http://www.sf.net/projects/lksctp
  *
  * Any bugs reported to us we will try to fix... any fixes shared will
  * be incorporated into the next SCTP release.
  *
  * Written or modified by:
  *    Sridhar Samudrala <sri@us.ibm.com>
  */

 /* This is a functional test to verify the graceful shutdown of an
  * association.
  */

 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/uio.h>
 #include <netinet/in.h>
 #include <errno.h>
 #include <netinet/sctp.h>
 #include <sctputil.h>

 char *TCID = __FILE__;
 int TST_TOTAL = 1;
 int TST_CNT = 0;

 #define MAX_CLIENTS 10

 int
 main(int argc, char *argv[])
 {
 	int svr_sk, clt_sk[MAX_CLIENTS];
 	sctp_assoc_t svr_associd[MAX_CLIENTS];
 	sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
 	struct iovec iov;
 	struct msghdr inmessage;
 	struct msghdr outmessage;
 	char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
 	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
 	struct cmsghdr *cmsg;
 	struct sctp_sndrcvinfo *sinfo;
         struct iovec out_iov;
         int error;
 	uint32_t ppid;
 	uint32_t stream;
 	struct sctp_assoc_change *sac;
 	char *big_buffer;
 	int i;
         char *message = "hello, world!\n";
 	struct sctp_status status;
 	socklen_t status_len;

         /* Rather than fflush() throughout the code, set stdout to
 	 * be unbuffered.
 	 */
 	setvbuf(stdout, NULL, _IONBF, 0);

 	/* Create and bind the server socket.  */
         svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);

 	svr_loop.v4.sin_family = AF_INET;
 	svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
 	svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
 	test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));

 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
 	test_enable_assoc_change(svr_sk);

 	/* Mark server socket as being able to accept new associations.  */
 	test_listen(svr_sk, 1);

 	/* Create and bind all the client sockets.  */
 	for (i = 0; i < MAX_CLIENTS; i++) {
 		clt_sk[i] = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);

 		clt_loop[i].v4.sin_family = AF_INET;
 		clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
 		clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
 		test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));

 		test_enable_assoc_change(clt_sk[i]);
 	}

 	/* Build up a msghdr structure we can use for all sending.  */
 	outmessage.msg_name = &svr_loop;
 	outmessage.msg_namelen = sizeof(svr_loop);
 	outmessage.msg_iov = &out_iov;
 	outmessage.msg_iovlen = 1;
 	outmessage.msg_control = outcmsg;
 	outmessage.msg_controllen = sizeof(outcmsg);
 	outmessage.msg_flags = 0;
 	cmsg = CMSG_FIRSTHDR(&outmessage);
 	cmsg->cmsg_level = IPPROTO_SCTP;
 	cmsg->cmsg_type = SCTP_SNDRCV;
 	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
 	outmessage.msg_controllen = cmsg->cmsg_len;
 	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
 	memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
 	ppid = rand(); /* Choose an arbitrary value. */
 	stream = 1;
 	sinfo->sinfo_ppid = ppid;
 	sinfo->sinfo_stream = stream;
 	out_iov.iov_base = message;
 	out_iov.iov_len = strlen(message) + 1;

         /* Send the first message from all the clients to the server.  This
 	 * will create the associations.
 	 */
 	for (i = 0; i < MAX_CLIENTS; i++)
 		test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1);

 	/* Initialize inmessage for all receives. */
 	big_buffer = test_malloc(REALLY_BIG);
         memset(&inmessage, 0, sizeof(inmessage));
 	iov.iov_base = big_buffer;
 	iov.iov_len = REALLY_BIG;
 	inmessage.msg_iov = &iov;
 	inmessage.msg_iovlen = 1;
 	inmessage.msg_control = incmsg;

 	/* Get the communication up message on all client sockets.  */
 	for (i = 0; i < MAX_CLIENTS; i++) {
 		inmessage.msg_controllen = sizeof(incmsg);
 		error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
 		test_check_msg_notification(&inmessage, error,
 					    sizeof(struct sctp_assoc_change),
 					    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
 	}

 	/* Get the communication up message and the data message on the
 	 * server sockets for all the clients.
 	 */
 	for (i = 0; i < MAX_CLIENTS; i++) {
 		inmessage.msg_controllen = sizeof(incmsg);
 		error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
 		test_check_msg_notification(&inmessage, error,
 					    sizeof(struct sctp_assoc_change),
 					    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);

 		inmessage.msg_controllen = sizeof(incmsg);
 		error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
 		test_check_msg_data(&inmessage, error, strlen(message)+1,
 				    MSG_EOR, stream, ppid);
 		sac = (struct sctp_assoc_change *)iov.iov_base;
 		svr_associd[i] = sac->sac_assoc_id;
 	}

 	/* Build up a msghdr structure we can use for all sending.  */
 	outmessage.msg_name = NULL;
 	outmessage.msg_namelen = 0;
 	outmessage.msg_iov = NULL;
 	outmessage.msg_iovlen = 0;
 	outmessage.msg_control = outcmsg;
 	outmessage.msg_controllen = sizeof(outcmsg);
 	outmessage.msg_flags = 0;
 	cmsg = CMSG_FIRSTHDR(&outmessage);
 	cmsg->cmsg_level = IPPROTO_SCTP;
 	cmsg->cmsg_type = SCTP_SNDRCV;
 	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
 	outmessage.msg_controllen = cmsg->cmsg_len;
 	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
 	memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
 	sinfo->sinfo_flags |= SCTP_EOF;

 	/* Shutdown all the associations of the server socket in a loop.  */
 	for (i = 0; i < MAX_CLIENTS; i++) {
 		sinfo->sinfo_assoc_id = svr_associd[i];

 		/* Verify that the association is present. */
 		memset(&status, 0, sizeof(struct sctp_status));
 		status.sstat_assoc_id = sinfo->sinfo_assoc_id;
 		status_len = sizeof(struct sctp_status);
 		error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
 				   &status, &status_len);
 		if (error)
 			tst_brkm(TBROK, tst_exit,
 				 "getsockopt(SCTP_STATUS): %s",
 				 strerror(errno));

 		/* Call sendmsg() to shutdown the association.  */
 		test_sendmsg(svr_sk, &outmessage, 0, 0);

 		/* Verify that the association is no longer present.  */
 		memset(&status, 0, sizeof(struct sctp_status));
 		status.sstat_assoc_id = sinfo->sinfo_assoc_id;
 		status_len = sizeof(struct sctp_status);
 		error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
 				   &status, &status_len);
 		if ((error != -1) && (errno != EINVAL))
 			tst_brkm(TBROK, tst_exit,
 				 "getsockopt(SCTP_STATUS) "
 				 "error:%d errno:%d", error, errno);
 	}

 	close(svr_sk);

         /* Get the shutdown complete notification. */
 	for (i = 0; i < MAX_CLIENTS; i++) {
 		inmessage.msg_controllen = sizeof(incmsg);
 		error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
 		test_check_msg_notification(&inmessage, error,
 					    sizeof(struct sctp_assoc_change),
 					    SCTP_ASSOC_CHANGE,
 					    SCTP_SHUTDOWN_COMP);

 		close(clt_sk[i]);
 	}

 	tst_resm(TPASS, "Graceful shutdown of associations using SCTP_EOF");

         /* Indicate successful completion.  */
         return 0;
 }
	/* SCTP kernel Implementation
	* (C) Copyright IBM Corp. 2001, 2003
	* Copyright (c) 1999-2000 Cisco, Inc.
	* Copyright (c) 1999-2001 Motorola, Inc.
	* Copyright (c) 2001 Intel Corp.
	* Copyright (c) 2001 Nokia, Inc.
	*
	* The SCTP implementation 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, or (at your option)
	* any later version.
	*
	* The SCTP implementation 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 GNU CC; see the file COPYING. If not, write to
	* the Free Software Foundation, 59 Temple Place - Suite 330,
	* Boston, MA 02111-1307, USA.
	*
	* Please send any bug reports or fixes you make to the
	* email address(es):
	* lksctp developers <lksctp-developers@lists.sourceforge.net>
	*
	* Or submit a bug report through the following website:
	* http://www.sf.net/projects/lksctp
	*
	* Any bugs reported to us we will try to fix... any fixes shared will
	* be incorporated into the next SCTP release.
	*
	* Written or modified by:
	* Sridhar Samudrala <sri@us.ibm.com>
	*/

	/* This is a functional test to verify the graceful shutdown of an
	* association.
	*/

	#include <stdio.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <string.h>
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <sys/uio.h>
	#include <netinet/in.h>
	#include <errno.h>
	#include <netinet/sctp.h>
	#include <sctputil.h>

	char *TCID = __FILE__;
	int TST_TOTAL = 1;
	int TST_CNT = 0;

	#define MAX_CLIENTS 10

	int
	main(int argc, char *argv[])
	{
	int svr_sk, clt_sk[MAX_CLIENTS];
	sctp_assoc_t svr_associd[MAX_CLIENTS];
	sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
	struct iovec iov;
	struct msghdr inmessage;
	struct msghdr outmessage;
	char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
	struct cmsghdr *cmsg;
	struct sctp_sndrcvinfo *sinfo;
	struct iovec out_iov;
	int error;
	uint32_t ppid;
	uint32_t stream;
	struct sctp_assoc_change *sac;
	char *big_buffer;
	int i;
	char *message = "hello, world!\n";
	struct sctp_status status;
	socklen_t status_len;

	/* Rather than fflush() throughout the code, set stdout to
	* be unbuffered.
	*/
	setvbuf(stdout, NULL, _IONBF, 0);

	/* Create and bind the server socket. */
	svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);

	svr_loop.v4.sin_family = AF_INET;
	svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
	svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
	test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));

	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
	test_enable_assoc_change(svr_sk);

	/* Mark server socket as being able to accept new associations. */
	test_listen(svr_sk, 1);

	/* Create and bind all the client sockets. */
	for (i = 0; i < MAX_CLIENTS; i++) {
	clt_sk[i] = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);

	clt_loop[i].v4.sin_family = AF_INET;
	clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
	clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
	test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));

	test_enable_assoc_change(clt_sk[i]);
	}

	/* Build up a msghdr structure we can use for all sending. */
	outmessage.msg_name = &svr_loop;
	outmessage.msg_namelen = sizeof(svr_loop);
	outmessage.msg_iov = &out_iov;
	outmessage.msg_iovlen = 1;
	outmessage.msg_control = outcmsg;
	outmessage.msg_controllen = sizeof(outcmsg);
	outmessage.msg_flags = 0;
	cmsg = CMSG_FIRSTHDR(&outmessage);
	cmsg->cmsg_level = IPPROTO_SCTP;
	cmsg->cmsg_type = SCTP_SNDRCV;
	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
	outmessage.msg_controllen = cmsg->cmsg_len;
	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
	memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
	ppid = rand(); /* Choose an arbitrary value. */
	stream = 1;
	sinfo->sinfo_ppid = ppid;
	sinfo->sinfo_stream = stream;
	out_iov.iov_base = message;
	out_iov.iov_len = strlen(message) + 1;

	/* Send the first message from all the clients to the server. This
	* will create the associations.
	*/
	for (i = 0; i < MAX_CLIENTS; i++)
	test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1);

	/* Initialize inmessage for all receives. */
	big_buffer = test_malloc(REALLY_BIG);
	memset(&inmessage, 0, sizeof(inmessage));
	iov.iov_base = big_buffer;
	iov.iov_len = REALLY_BIG;
	inmessage.msg_iov = &iov;
	inmessage.msg_iovlen = 1;
	inmessage.msg_control = incmsg;

	/* Get the communication up message on all client sockets. */
	for (i = 0; i < MAX_CLIENTS; i++) {
	inmessage.msg_controllen = sizeof(incmsg);
	error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
	test_check_msg_notification(&inmessage, error,
	sizeof(struct sctp_assoc_change),
	SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
	}

	/* Get the communication up message and the data message on the
	* server sockets for all the clients.
	*/
	for (i = 0; i < MAX_CLIENTS; i++) {
	inmessage.msg_controllen = sizeof(incmsg);
	error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
	test_check_msg_notification(&inmessage, error,
	sizeof(struct sctp_assoc_change),
	SCTP_ASSOC_CHANGE, SCTP_COMM_UP);

	inmessage.msg_controllen = sizeof(incmsg);
	error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
	test_check_msg_data(&inmessage, error, strlen(message)+1,
	MSG_EOR, stream, ppid);
	sac = (struct sctp_assoc_change *)iov.iov_base;
	svr_associd[i] = sac->sac_assoc_id;
	}

	/* Build up a msghdr structure we can use for all sending. */
	outmessage.msg_name = NULL;
	outmessage.msg_namelen = 0;
	outmessage.msg_iov = NULL;
	outmessage.msg_iovlen = 0;
	outmessage.msg_control = outcmsg;
	outmessage.msg_controllen = sizeof(outcmsg);
	outmessage.msg_flags = 0;
	cmsg = CMSG_FIRSTHDR(&outmessage);
	cmsg->cmsg_level = IPPROTO_SCTP;
	cmsg->cmsg_type = SCTP_SNDRCV;
	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
	outmessage.msg_controllen = cmsg->cmsg_len;
	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
	memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
	sinfo->sinfo_flags \|= SCTP_EOF;

	/* Shutdown all the associations of the server socket in a loop. */
	for (i = 0; i < MAX_CLIENTS; i++) {
	sinfo->sinfo_assoc_id = svr_associd[i];

	/* Verify that the association is present. */
	memset(&status, 0, sizeof(struct sctp_status));
	status.sstat_assoc_id = sinfo->sinfo_assoc_id;
	status_len = sizeof(struct sctp_status);
	error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
	&status, &status_len);
	if (error)
	tst_brkm(TBROK, tst_exit,
	"getsockopt(SCTP_STATUS): %s",
	strerror(errno));

	/* Call sendmsg() to shutdown the association. */
	test_sendmsg(svr_sk, &outmessage, 0, 0);

	/* Verify that the association is no longer present. */
	memset(&status, 0, sizeof(struct sctp_status));
	status.sstat_assoc_id = sinfo->sinfo_assoc_id;
	status_len = sizeof(struct sctp_status);
	error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
	&status, &status_len);
	if ((error != -1) && (errno != EINVAL))
	tst_brkm(TBROK, tst_exit,
	"getsockopt(SCTP_STATUS) "
	"error:%d errno:%d", error, errno);
	}

	close(svr_sk);

	/* Get the shutdown complete notification. */
	for (i = 0; i < MAX_CLIENTS; i++) {
	inmessage.msg_controllen = sizeof(incmsg);
	error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
	test_check_msg_notification(&inmessage, error,
	sizeof(struct sctp_assoc_change),
	SCTP_ASSOC_CHANGE,
	SCTP_SHUTDOWN_COMP);

	close(clt_sk[i]);
	}

	tst_resm(TPASS, "Graceful shutdown of associations using SCTP_EOF");

	/* Indicate successful completion. */
	return 0;
	}