/* SCTP kernel Implementation * Copyright (c) 2003 Hewlett-Packard Development Company, L.P * (C) Copyright IBM Corp. 2004 * * This test tests the events for 1-1 style sockets. * * 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 * * Or submit a bug report through the following website: * http://www.sf.net/projects/lksctp * * * Any bugs reported given to us we will try to fix... any fixes shared will * be incorporated into the next SCTP release. * */ #include #include #include #include #include /* needed by linux/sctp.h */ #include #include /* for sockaddr_in */ #include #include #include #include char *TCID = __FILE__; int TST_TOTAL = 4; int TST_CNT = 0; int main(void) { int svr_sk, clt_sk,acpt_sk; struct sockaddr_in svr_loop, clt_loop,acpt_loop; struct iovec iov, out_iov; struct msghdr inmessage, outmessage; char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))]; char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))]; int error; socklen_t len; char *big_buffer; struct sctp_event_subscribe event; struct cmsghdr *cmsg; struct sctp_sndrcvinfo *sinfo; char *message = "hello, world!\n"; uint32_t ppid; uint32_t stream; /* Rather than fflush() throughout the code, set stdout to * be unbuffered. */ setvbuf(stdout, NULL, _IONBF, 0); /* Initialize the server and client addresses. */ svr_loop.sin_family = AF_INET; svr_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK; svr_loop.sin_port = htons(SCTP_TESTPORT_1); clt_loop.sin_family = AF_INET; clt_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK; clt_loop.sin_port = htons(SCTP_TESTPORT_1); /* Create and bind the server socket. */ svr_sk = test_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP); test_bind(svr_sk, (struct sockaddr *) &svr_loop, sizeof(svr_loop)); /* Mark server socket as being able to accept new associations. */ test_listen(svr_sk, 3); /* Create the client socket. */ clt_sk = test_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP); event.sctp_data_io_event = 1; event.sctp_association_event = 1; event.sctp_shutdown_event = 1; len = sizeof(struct sctp_event_subscribe); test_setsockopt(svr_sk, SCTP_EVENTS, &event, len); test_setsockopt(clt_sk, SCTP_EVENTS, &event, len); len = sizeof(struct sockaddr_in); test_connect(clt_sk, (struct sockaddr *) &clt_loop, len); acpt_sk = test_accept(svr_sk, (struct sockaddr *) &acpt_loop, &len); /* Build up a msghdr structure we can use for all sending. */ memset(&outmessage, 0, sizeof(outmessage)); 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; outmessage.msg_iov->iov_base = message; outmessage.msg_iov->iov_len = (strlen(message) + 1); /* Send . This will create the association*/ test_sendmsg(clt_sk, &outmessage, 0, strlen(message)+1); memset(&inmessage, 0, sizeof(inmessage)); /* NOW initialize inmessage with enough space for DATA... */ big_buffer = malloc(REALLY_BIG); if (!big_buffer) { DUMP_CORE; } /* Let's do a test to do a recvmsg when we are not listening and * when we have no associations. */ iov.iov_base = big_buffer; iov.iov_len = REALLY_BIG; inmessage.msg_iov = &iov; inmessage.msg_iovlen = 1; inmessage.msg_control = incmsg; inmessage.msg_controllen = sizeof(incmsg); error = test_recvmsg(clt_sk, &inmessage, MSG_WAITALL); test_check_msg_notification(&inmessage, error, sizeof(struct sctp_assoc_change), SCTP_ASSOC_CHANGE, SCTP_COMM_UP); tst_resm(TPASS, "COMM_UP notification on client socket - SUCCESS"); error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL); test_check_msg_notification(&inmessage, error, sizeof(struct sctp_assoc_change), SCTP_ASSOC_CHANGE, SCTP_COMM_UP); tst_resm(TPASS, "COMM_UP notification on server socket - SUCCESS"); inmessage.msg_control = incmsg; inmessage.msg_controllen = sizeof(incmsg); error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL); test_check_msg_data(&inmessage, error, strlen(message) + 1, MSG_EOR, stream, ppid); tst_resm(TPASS, "Data message on server socket - SUCCESS"); close(clt_sk); error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL); test_check_msg_notification(&inmessage, error, sizeof(struct sctp_shutdown_event), SCTP_SHUTDOWN_EVENT, 0); tst_resm(TPASS, "SHUTDOWN notification on accepted socket - SUCCESS"); close(svr_sk); close(acpt_sk); return 0; }