1/* SCTP kernel Implementation 2 * Copyright (c) 2003 Hewlett-Packard Development Company, L.P 3 * (C) Copyright IBM Corp. 2004 4 * 5 * This test tests the events for 1-1 style sockets. 6 * 7 * The SCTP implementation is free software; 8 * you can redistribute it and/or modify it under the terms of 9 * the GNU General Public License as published by 10 * the Free Software Foundation; either version 2, or (at your option) 11 * any later version. 12 * 13 * The SCTP implementation is distributed in the hope that it 14 * will be useful, but WITHOUT ANY WARRANTY; without even the implied 15 * ************************ 16 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 17 * See the GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with GNU CC; see the file COPYING. If not, write to 21 * the Free Software Foundation, 59 Temple Place - Suite 330, 22 * Boston, MA 02111-1307, USA. 23 * 24 * Please send any bug reports or fixes you make to the 25 * email address(es): 26 * lksctp developers <lksctp-developers@lists.sourceforge.net> 27 * 28 * Or submit a bug report through the following website: 29 * http://www.sf.net/projects/lksctp 30 * 31 * 32 * Any bugs reported given to us we will try to fix... any fixes shared will 33 * be incorporated into the next SCTP release. 34 * 35 */ 36#include <stdio.h> 37#include <unistd.h> 38#include <stdlib.h> 39#include <sys/types.h> 40#include <sys/socket.h> /* needed by linux/sctp.h */ 41#include <sys/uio.h> 42#include <netinet/in.h> /* for sockaddr_in */ 43#include <errno.h> 44#include <netinet/sctp.h> 45#include <sctputil.h> 46#include <string.h> 47 48char *TCID = __FILE__; 49int TST_TOTAL = 4; 50int TST_CNT = 0; 51 52int 53main(int argc, char *argv[]) 54{ 55 int svr_sk, clt_sk,acpt_sk; 56 struct sockaddr_in svr_loop, clt_loop,acpt_loop; 57 struct iovec iov, out_iov; 58 struct msghdr inmessage, outmessage; 59 char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))]; 60 char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))]; 61 int error; 62 socklen_t len; 63 char *big_buffer; 64 struct sctp_event_subscribe event; 65 struct cmsghdr *cmsg; 66 struct sctp_sndrcvinfo *sinfo; 67 char *message = "hello, world!\n"; 68 uint32_t ppid; 69 uint32_t stream; 70 71 /* Rather than fflush() throughout the code, set stdout to 72 * be unbuffered. 73 */ 74 setvbuf(stdout, NULL, _IONBF, 0); 75 76 /* Initialize the server and client addresses. */ 77 svr_loop.sin_family = AF_INET; 78 svr_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK; 79 svr_loop.sin_port = htons(SCTP_TESTPORT_1); 80 81 clt_loop.sin_family = AF_INET; 82 clt_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK; 83 clt_loop.sin_port = htons(SCTP_TESTPORT_1); 84 85 /* Create and bind the server socket. */ 86 svr_sk = test_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP); 87 test_bind(svr_sk, (struct sockaddr *) &svr_loop, sizeof(svr_loop)); 88 89 /* Mark server socket as being able to accept new associations. */ 90 test_listen(svr_sk, 3); 91 92 /* Create the client socket. */ 93 clt_sk = test_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP); 94 95 event.sctp_data_io_event = 1; 96 event.sctp_association_event = 1; 97 event.sctp_shutdown_event = 1; 98 len = sizeof(struct sctp_event_subscribe); 99 test_setsockopt(svr_sk, SCTP_EVENTS, &event, len); 100 test_setsockopt(clt_sk, SCTP_EVENTS, &event, len); 101 102 len = sizeof(struct sockaddr_in); 103 test_connect(clt_sk, (struct sockaddr *) &clt_loop, len); 104 105 acpt_sk = test_accept(svr_sk, (struct sockaddr *) &acpt_loop, &len); 106 107 /* Build up a msghdr structure we can use for all sending. */ 108 memset(&outmessage, 0, sizeof(outmessage)); 109 outmessage.msg_name = &svr_loop; 110 outmessage.msg_namelen = sizeof(svr_loop); 111 outmessage.msg_iov = &out_iov; 112 outmessage.msg_iovlen = 1; 113 outmessage.msg_control = outcmsg; 114 outmessage.msg_controllen = sizeof(outcmsg); 115 outmessage.msg_flags = 0; 116 117 cmsg = CMSG_FIRSTHDR(&outmessage); 118 cmsg->cmsg_level = IPPROTO_SCTP; 119 cmsg->cmsg_type = SCTP_SNDRCV; 120 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); 121 outmessage.msg_controllen = cmsg->cmsg_len; 122 sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); 123 memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo)); 124 ppid = rand(); /* Choose an arbitrary value. */ 125 stream = 1; 126 127 sinfo->sinfo_ppid = ppid; 128 sinfo->sinfo_stream = stream; 129 130 outmessage.msg_iov->iov_base = message; 131 outmessage.msg_iov->iov_len = (strlen(message) + 1); 132 133 /* Send . This will create the association*/ 134 test_sendmsg(clt_sk, &outmessage, 0, strlen(message)+1); 135 136 memset(&inmessage, 0, sizeof(inmessage)); 137 /* NOW initialize inmessage with enough space for DATA... */ 138 big_buffer = malloc(REALLY_BIG); 139 if (!big_buffer) { DUMP_CORE; } 140 141 /* Let's do a test to do a recvmsg when we are not listening and 142 * when we have no associations. 143 */ 144 iov.iov_base = big_buffer; 145 iov.iov_len = REALLY_BIG; 146 inmessage.msg_iov = &iov; 147 inmessage.msg_iovlen = 1; 148 inmessage.msg_control = incmsg; 149 inmessage.msg_controllen = sizeof(incmsg); 150 151 error = test_recvmsg(clt_sk, &inmessage, MSG_WAITALL); 152 test_check_msg_notification(&inmessage, 153 error, 154 sizeof(struct sctp_assoc_change), 155 SCTP_ASSOC_CHANGE, 156 SCTP_COMM_UP); 157 158 tst_resm(TPASS, "COMM_UP notification on client socket - SUCCESS"); 159 160 error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL); 161 test_check_msg_notification(&inmessage, 162 error, 163 sizeof(struct sctp_assoc_change), 164 SCTP_ASSOC_CHANGE, 165 SCTP_COMM_UP); 166 167 tst_resm(TPASS, "COMM_UP notification on server socket - SUCCESS"); 168 169 inmessage.msg_control = incmsg; 170 inmessage.msg_controllen = sizeof(incmsg); 171 error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL); 172 test_check_msg_data(&inmessage, error, strlen(message) + 1, 173 MSG_EOR, stream, ppid); 174 175 tst_resm(TPASS, "Data message on server socket - SUCCESS"); 176 177 close(clt_sk); 178 error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL); 179 test_check_msg_notification(&inmessage, 180 error, 181 sizeof(struct sctp_shutdown_event), 182 SCTP_SHUTDOWN_EVENT, 183 0); 184 185 tst_resm(TPASS, "SHUTDOWN notification on accepted socket - SUCCESS"); 186 close(svr_sk); 187 close(acpt_sk); 188 189 return 0; 190} 191