Home | History | Annotate | Download | only in func_tests
      1 /* SCTP kernel Implementation
      2  * (C) Copyright IBM Corp. 2001, 2003
      3  * Copyright (c) 1999-2000 Cisco, Inc.
      4  * Copyright (c) 1999-2001 Motorola, Inc.
      5  * Copyright (c) 2001 Intel Corp.
      6  * Copyright (c) 2001 Nokia, Inc.
      7  *
      8  * The SCTP implementation is free software;
      9  * you can redistribute it and/or modify it under the terms of
     10  * the GNU General Public License as published by
     11  * the Free Software Foundation; either version 2, or (at your option)
     12  * any later version.
     13  *
     14  * The SCTP implementation is distributed in the hope that it
     15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
     16  *                 ************************
     17  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     18  * See the GNU General Public License for more details.
     19  *
     20  * You should have received a copy of the GNU General Public License
     21  * along with GNU CC; see the file COPYING.  If not, write to
     22  * the Free Software Foundation, 59 Temple Place - Suite 330,
     23  * Boston, MA 02111-1307, USA.
     24  *
     25  * Please send any bug reports or fixes you make to the
     26  * email address(es):
     27  *    lksctp developers <lksctp-developers (at) lists.sourceforge.net>
     28  *
     29  * Or submit a bug report through the following website:
     30  *    http://www.sf.net/projects/lksctp
     31  *
     32  * Any bugs reported to us we will try to fix... any fixes shared will
     33  * be incorporated into the next SCTP release.
     34  *
     35  * Written or modified by:
     36  * Sridhar Samudrala <sri (at) us.ibm.com>
     37  */
     38 
     39 /* This is a Functional Test to verify autoclose functionality and the
     40  * socket option SCTP_AUTOCLOSE that can be used to specify the duration in
     41  * which an idle association is automatically closed.
     42  */
     43 
     44 #include <stdio.h>
     45 #include <unistd.h>
     46 #include <stdlib.h>
     47 #include <string.h>
     48 #include <sys/types.h>
     49 #include <sys/socket.h>
     50 #include <sys/uio.h>
     51 #include <netinet/in.h>
     52 #include <sys/errno.h>
     53 #include <errno.h>
     54 #include <netinet/sctp.h>
     55 #include <sctputil.h>
     56 
     57 char *TCID = __FILE__;
     58 int TST_TOTAL = 1;
     59 int TST_CNT = 0;
     60 
     61 int
     62 main(int argc, char *argv[])
     63 {
     64 	int sk1, sk2;
     65 	sockaddr_storage_t loop1, loop2;
     66 	struct msghdr inmessage, outmessage;
     67 	struct iovec iov, out_iov;
     68 	int error;
     69 	char *big_buffer;
     70 	char *message = "hello, world!\n";
     71 	uint32_t autoclose;
     72 
     73 	/* Rather than fflush() throughout the code, set stdout to
     74 	 * be unbuffered.
     75 	 */
     76 	setvbuf(stdout, NULL, _IONBF, 0);
     77 
     78 	loop1.v4.sin_family = AF_INET;
     79 	loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
     80 	loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
     81 
     82 	loop2.v4.sin_family = AF_INET;
     83 	loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
     84 	loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
     85 
     86 	/* Create the two endpoints which will talk to each other.  */
     87 	sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
     88 	sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
     89 
     90 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
     91 	test_enable_assoc_change(sk1);
     92 	test_enable_assoc_change(sk2);
     93 
     94 	/* Bind these sockets to the test ports.  */
     95 	test_bind(sk1, &loop1.sa, sizeof(loop1));
     96 	test_bind(sk2, &loop2.sa, sizeof(loop2));
     97 
     98 	/* Mark sk2 as being able to accept new associations.  */
     99 	test_listen(sk2, 1);
    100 
    101 	/* Set the autoclose duration for the associations created on sk1
    102 	 * and sk2 to be 5 seconds.
    103 	 */
    104 	autoclose = 5;
    105 	test_setsockopt(sk1, SCTP_AUTOCLOSE, &autoclose, sizeof(autoclose));
    106 	test_setsockopt(sk2, SCTP_AUTOCLOSE, &autoclose, sizeof(autoclose));
    107 
    108 	/* Send the first message.  This will create the association.  */
    109 	memset(&outmessage, 0, sizeof(outmessage));
    110 	outmessage.msg_name = &loop2;
    111 	outmessage.msg_namelen = sizeof(loop2);
    112 	outmessage.msg_iov = &out_iov;
    113 	outmessage.msg_iovlen = 1;
    114 	outmessage.msg_iov->iov_base = message;
    115 	outmessage.msg_iov->iov_len = strlen(message) + 1;
    116 
    117 	test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
    118 
    119 	/* Initialize inmessage for all receives. */
    120 	big_buffer = test_malloc(REALLY_BIG);
    121         memset(&inmessage, 0, sizeof(inmessage));
    122 	iov.iov_base = big_buffer;
    123 	iov.iov_len = REALLY_BIG;
    124 	inmessage.msg_iov = &iov;
    125 	inmessage.msg_iovlen = 1;
    126 	inmessage.msg_control = NULL;
    127 
    128 	/* Get the communication up message on sk2.  */
    129 	error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
    130 	test_check_msg_notification(&inmessage, error,
    131 				    sizeof(struct sctp_assoc_change),
    132 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
    133 
    134 	/* Get the communication up message on sk1.  */
    135 	error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
    136 	test_check_msg_notification(&inmessage, error,
    137 				    sizeof(struct sctp_assoc_change),
    138 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
    139 
    140 	/* Get the first message which was sent.  */
    141 	error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
    142 	test_check_msg_data(&inmessage, error, strlen(message) + 1,
    143 			    MSG_EOR|MSG_CTRUNC, 0, 0);
    144 
    145 	tst_resm(TINFO, "Waiting for the associations to close automatically "
    146 		 "in 5 secs");
    147 
    148 	/* Get the shutdown complete notification from sk1. */
    149 	error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
    150 	test_check_msg_notification(&inmessage, error,
    151 				    sizeof(struct sctp_assoc_change),
    152 				    SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
    153 
    154 	/* Get the shutdown complete notification from sk2. */
    155 	error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
    156 	test_check_msg_notification(&inmessage, error,
    157 				    sizeof(struct sctp_assoc_change),
    158 				    SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
    159 
    160 	tst_resm(TPASS, "Autoclose of associations");
    161 
    162 	/* Shut down the link.  */
    163 	close(sk1);
    164 	close(sk2);
    165 
    166 	/* Indicate successful completion.  */
    167 	return 0;
    168 }
    169