Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 1 | /* SCTP kernel Implementation |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 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 | * |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 8 | * The SCTP implementation is free software; |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 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 | * |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 14 | * The SCTP implementation is distributed in the hope that it |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 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 the graceful shutdown of an |
| 40 | * association. |
| 41 | */ |
| 42 | |
| 43 | #include <stdio.h> |
| 44 | #include <unistd.h> |
| 45 | #include <stdlib.h> |
| 46 | #include <string.h> |
| 47 | #include <sys/types.h> |
| 48 | #include <sys/socket.h> |
| 49 | #include <sys/uio.h> |
| 50 | #include <netinet/in.h> |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 51 | #include <sys/errno.h> |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 52 | #include <errno.h> |
| 53 | #include <netinet/sctp.h> |
| 54 | #include <sctputil.h> |
| 55 | |
| 56 | char *TCID = __FILE__; |
| 57 | int TST_TOTAL = 1; |
| 58 | int TST_CNT = 0; |
| 59 | |
| 60 | #define MAX_CLIENTS 10 |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 61 | |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 62 | int |
| 63 | main(int argc, char *argv[]) |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 64 | { |
| 65 | int svr_sk, clt_sk[MAX_CLIENTS]; |
| 66 | sctp_assoc_t svr_associd[MAX_CLIENTS]; |
| 67 | sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS]; |
| 68 | struct iovec iov; |
| 69 | struct msghdr inmessage; |
| 70 | struct msghdr outmessage; |
| 71 | char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))]; |
| 72 | char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))]; |
| 73 | struct cmsghdr *cmsg; |
| 74 | struct sctp_sndrcvinfo *sinfo; |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 75 | struct iovec out_iov; |
| 76 | int error; |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 77 | uint32_t ppid; |
| 78 | uint32_t stream; |
| 79 | struct sctp_assoc_change *sac; |
| 80 | char *big_buffer; |
| 81 | int i; |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 82 | char *message = "hello, world!\n"; |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 83 | struct sctp_status status; |
| 84 | socklen_t status_len; |
| 85 | |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 86 | /* Rather than fflush() throughout the code, set stdout to |
| 87 | * be unbuffered. |
| 88 | */ |
| 89 | setvbuf(stdout, NULL, _IONBF, 0); |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 90 | |
| 91 | /* Create and bind the server socket. */ |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 92 | svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 93 | |
| 94 | svr_loop.v4.sin_family = AF_INET; |
| 95 | svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK; |
| 96 | svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1); |
| 97 | test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop)); |
| 98 | |
| 99 | /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */ |
| 100 | test_enable_assoc_change(svr_sk); |
| 101 | |
| 102 | /* Mark server socket as being able to accept new associations. */ |
| 103 | test_listen(svr_sk, 1); |
| 104 | |
| 105 | /* Create and bind all the client sockets. */ |
| 106 | for (i = 0; i < MAX_CLIENTS; i++) { |
| 107 | clt_sk[i] = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); |
| 108 | |
| 109 | clt_loop[i].v4.sin_family = AF_INET; |
| 110 | clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK; |
| 111 | clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i); |
| 112 | test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i])); |
| 113 | |
| 114 | test_enable_assoc_change(clt_sk[i]); |
| 115 | } |
| 116 | |
| 117 | /* Build up a msghdr structure we can use for all sending. */ |
| 118 | outmessage.msg_name = &svr_loop; |
| 119 | outmessage.msg_namelen = sizeof(svr_loop); |
| 120 | outmessage.msg_iov = &out_iov; |
| 121 | outmessage.msg_iovlen = 1; |
| 122 | outmessage.msg_control = outcmsg; |
| 123 | outmessage.msg_controllen = sizeof(outcmsg); |
| 124 | outmessage.msg_flags = 0; |
| 125 | cmsg = CMSG_FIRSTHDR(&outmessage); |
| 126 | cmsg->cmsg_level = IPPROTO_SCTP; |
| 127 | cmsg->cmsg_type = SCTP_SNDRCV; |
| 128 | cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); |
| 129 | outmessage.msg_controllen = cmsg->cmsg_len; |
| 130 | sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); |
| 131 | memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo)); |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 132 | ppid = rand(); /* Choose an arbitrary value. */ |
| 133 | stream = 1; |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 134 | sinfo->sinfo_ppid = ppid; |
| 135 | sinfo->sinfo_stream = stream; |
| 136 | out_iov.iov_base = message; |
| 137 | out_iov.iov_len = strlen(message) + 1; |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 138 | |
| 139 | /* Send the first message from all the clients to the server. This |
| 140 | * will create the associations. |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 141 | */ |
| 142 | for (i = 0; i < MAX_CLIENTS; i++) |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 143 | test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1); |
| 144 | |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 145 | /* Initialize inmessage for all receives. */ |
| 146 | big_buffer = test_malloc(REALLY_BIG); |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 147 | memset(&inmessage, 0, sizeof(inmessage)); |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 148 | iov.iov_base = big_buffer; |
| 149 | iov.iov_len = REALLY_BIG; |
| 150 | inmessage.msg_iov = &iov; |
| 151 | inmessage.msg_iovlen = 1; |
| 152 | inmessage.msg_control = incmsg; |
| 153 | |
| 154 | /* Get the communication up message on all client sockets. */ |
| 155 | for (i = 0; i < MAX_CLIENTS; i++) { |
| 156 | inmessage.msg_controllen = sizeof(incmsg); |
| 157 | error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL); |
| 158 | test_check_msg_notification(&inmessage, error, |
| 159 | sizeof(struct sctp_assoc_change), |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 160 | SCTP_ASSOC_CHANGE, SCTP_COMM_UP); |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | /* Get the communication up message and the data message on the |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 164 | * server sockets for all the clients. |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 165 | */ |
| 166 | for (i = 0; i < MAX_CLIENTS; i++) { |
| 167 | inmessage.msg_controllen = sizeof(incmsg); |
| 168 | error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL); |
| 169 | test_check_msg_notification(&inmessage, error, |
| 170 | sizeof(struct sctp_assoc_change), |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 171 | SCTP_ASSOC_CHANGE, SCTP_COMM_UP); |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 172 | |
| 173 | inmessage.msg_controllen = sizeof(incmsg); |
| 174 | error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL); |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 175 | test_check_msg_data(&inmessage, error, strlen(message)+1, |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 176 | MSG_EOR, stream, ppid); |
| 177 | sac = (struct sctp_assoc_change *)iov.iov_base; |
| 178 | svr_associd[i] = sac->sac_assoc_id; |
| 179 | } |
| 180 | |
| 181 | /* Build up a msghdr structure we can use for all sending. */ |
| 182 | outmessage.msg_name = NULL; |
| 183 | outmessage.msg_namelen = 0; |
| 184 | outmessage.msg_iov = NULL; |
| 185 | outmessage.msg_iovlen = 0; |
| 186 | outmessage.msg_control = outcmsg; |
| 187 | outmessage.msg_controllen = sizeof(outcmsg); |
| 188 | outmessage.msg_flags = 0; |
| 189 | cmsg = CMSG_FIRSTHDR(&outmessage); |
| 190 | cmsg->cmsg_level = IPPROTO_SCTP; |
| 191 | cmsg->cmsg_type = SCTP_SNDRCV; |
| 192 | cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); |
| 193 | outmessage.msg_controllen = cmsg->cmsg_len; |
| 194 | sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); |
| 195 | memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo)); |
mridge | 64a341f | 2006-01-03 19:16:46 +0000 | [diff] [blame] | 196 | sinfo->sinfo_flags |= SCTP_EOF; |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 197 | |
| 198 | /* Shutdown all the associations of the server socket in a loop. */ |
| 199 | for (i = 0; i < MAX_CLIENTS; i++) { |
| 200 | sinfo->sinfo_assoc_id = svr_associd[i]; |
| 201 | |
| 202 | /* Verify that the association is present. */ |
| 203 | memset(&status, 0, sizeof(struct sctp_status)); |
| 204 | status.sstat_assoc_id = sinfo->sinfo_assoc_id; |
| 205 | status_len = sizeof(struct sctp_status); |
| 206 | error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS, |
| 207 | &status, &status_len); |
| 208 | if (error) |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 209 | tst_brkm(TBROK, tst_exit, |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 210 | "getsockopt(SCTP_STATUS): %s", |
| 211 | strerror(errno)); |
| 212 | |
| 213 | /* Call sendmsg() to shutdown the association. */ |
| 214 | test_sendmsg(svr_sk, &outmessage, 0, 0); |
| 215 | |
| 216 | /* Verify that the association is no longer present. */ |
| 217 | memset(&status, 0, sizeof(struct sctp_status)); |
| 218 | status.sstat_assoc_id = sinfo->sinfo_assoc_id; |
| 219 | status_len = sizeof(struct sctp_status); |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 220 | error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS, |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 221 | &status, &status_len); |
| 222 | if ((error != -1) && (errno != EINVAL)) |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 223 | tst_brkm(TBROK, tst_exit, |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 224 | "getsockopt(SCTP_STATUS) " |
| 225 | "error:%d errno:%d", error, errno); |
| 226 | } |
| 227 | |
| 228 | close(svr_sk); |
| 229 | |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 230 | /* Get the shutdown complete notification. */ |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 231 | for (i = 0; i < MAX_CLIENTS; i++) { |
| 232 | inmessage.msg_controllen = sizeof(incmsg); |
| 233 | error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL); |
| 234 | test_check_msg_notification(&inmessage, error, |
| 235 | sizeof(struct sctp_assoc_change), |
| 236 | SCTP_ASSOC_CHANGE, |
| 237 | SCTP_SHUTDOWN_COMP); |
| 238 | |
| 239 | close(clt_sk[i]); |
| 240 | } |
| 241 | |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 242 | tst_resm(TPASS, "Graceful shutdown of associations using SCTP_EOF"); |
uid52817 | 89de9aa | 2003-10-23 18:42:24 +0000 | [diff] [blame] | 243 | |
Simon Xu | 6f22494 | 2013-12-06 11:51:16 +0800 | [diff] [blame] | 244 | /* Indicate successful completion. */ |
| 245 | return 0; |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 246 | } |