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@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@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 #include "tst_kernel.h"
57
58 char *TCID = __FILE__;
59 int TST_TOTAL = 1;
60 int TST_CNT = 0;
61
62 int
main(void)63 main(void)
64 {
65 int sk1, sk2;
66 sockaddr_storage_t loop1, loop2;
67 struct msghdr inmessage, outmessage;
68 struct iovec iov, out_iov;
69 int error;
70 char *big_buffer;
71 char *message = "hello, world!\n";
72 uint32_t autoclose;
73
74 if (tst_check_driver("sctp"))
75 tst_brkm(TCONF, tst_exit, "sctp driver not available");
76
77 /* Rather than fflush() throughout the code, set stdout to
78 * be unbuffered.
79 */
80 setvbuf(stdout, NULL, _IONBF, 0);
81
82 loop1.v4.sin_family = AF_INET;
83 loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
84 loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
85
86 loop2.v4.sin_family = AF_INET;
87 loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
88 loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
89
90 /* Create the two endpoints which will talk to each other. */
91 sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
92 sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
93
94 /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
95 test_enable_assoc_change(sk1);
96 test_enable_assoc_change(sk2);
97
98 /* Bind these sockets to the test ports. */
99 test_bind(sk1, &loop1.sa, sizeof(loop1));
100 test_bind(sk2, &loop2.sa, sizeof(loop2));
101
102 /* Mark sk2 as being able to accept new associations. */
103 test_listen(sk2, 1);
104
105 /* Set the autoclose duration for the associations created on sk1
106 * and sk2 to be 5 seconds.
107 */
108 autoclose = 5;
109 test_setsockopt(sk1, SCTP_AUTOCLOSE, &autoclose, sizeof(autoclose));
110 test_setsockopt(sk2, SCTP_AUTOCLOSE, &autoclose, sizeof(autoclose));
111
112 /* Send the first message. This will create the association. */
113 memset(&outmessage, 0, sizeof(outmessage));
114 outmessage.msg_name = &loop2;
115 outmessage.msg_namelen = sizeof(loop2);
116 outmessage.msg_iov = &out_iov;
117 outmessage.msg_iovlen = 1;
118 outmessage.msg_iov->iov_base = message;
119 outmessage.msg_iov->iov_len = strlen(message) + 1;
120
121 test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
122
123 /* Initialize inmessage for all receives. */
124 big_buffer = test_malloc(REALLY_BIG);
125 memset(&inmessage, 0, sizeof(inmessage));
126 iov.iov_base = big_buffer;
127 iov.iov_len = REALLY_BIG;
128 inmessage.msg_iov = &iov;
129 inmessage.msg_iovlen = 1;
130 inmessage.msg_control = NULL;
131
132 /* Get the communication up message on sk2. */
133 error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
134 test_check_msg_notification(&inmessage, error,
135 sizeof(struct sctp_assoc_change),
136 SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
137
138 /* Get the communication up message on sk1. */
139 error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
140 test_check_msg_notification(&inmessage, error,
141 sizeof(struct sctp_assoc_change),
142 SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
143
144 /* Get the first message which was sent. */
145 error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
146 test_check_msg_data(&inmessage, error, strlen(message) + 1,
147 MSG_EOR|MSG_CTRUNC, 0, 0);
148
149 tst_resm(TINFO, "Waiting for the associations to close automatically "
150 "in 5 secs");
151
152 /* Get the shutdown complete notification from sk1. */
153 error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
154 test_check_msg_notification(&inmessage, error,
155 sizeof(struct sctp_assoc_change),
156 SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
157
158 /* Get the shutdown complete notification from sk2. */
159 error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
160 test_check_msg_notification(&inmessage, error,
161 sizeof(struct sctp_assoc_change),
162 SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
163
164 tst_resm(TPASS, "Autoclose of associations");
165
166 /* Shut down the link. */
167 close(sk1);
168 close(sk2);
169
170 /* Indicate successful completion. */
171 return 0;
172 }
173