1 /* SCTP kernel Implementation
2  * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
3  * (C) Copyright IBM Corp. 2004
4  *
5  * This file does send and receive for 500 threads on a unique association for
6  * THREAD_SND_RCV_LOOPS = 10 many times. To change the number of threads
7  * change the THREADS valuen and loop change the THREAD_SND_RCV_LOOPS.
8  *
9  * The SCTP implementation is free software;
10  * you can redistribute it and/or modify it under the terms of
11  * the GNU General Public License as published by
12  * the Free Software Foundation; either version 2, or (at your option)
13  * any later version.
14  *
15  * The SCTP implementation is distributed in the hope that it
16  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
17  *                 ************************
18  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
19  * See the GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with GNU CC; see the file COPYING.  If not, write to
23  * the Free Software Foundation, 59 Temple Place - Suite 330,
24  * Boston, MA 02111-1307, USA.
25  *
26  * Please send any bug reports or fixes you make to the
27  * email address(es):
28  *    lksctp developers <lksctp-developers@lists.sourceforge.net>
29  *
30  * Or submit a bug report through the following website:
31  *    http://www.sf.net/projects/lksctp
32  *
33  * Any bugs reported given to us we will try to fix... any fixes shared will
34  * be incorporated into the next SCTP release
35  *
36  */
37 #include <pthread.h>
38 #include <stdio.h>
39 #include <unistd.h>
40 #include <fcntl.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <sys/types.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>         /* for sockaddr_in */
46 #include <arpa/inet.h>
47 #include <errno.h>
48 #include <netinet/sctp.h>
49 #include <sys/uio.h>
50 #include <linux/socket.h>
51 #include <sctputil.h>
52 
53 #define THREADS 10    /* FIXME should be 500 instead of 10 */
54 #define THREAD_SND_RCV_LOOPS 10
55 
56 char *TCID = __FILE__;
57 int TST_TOTAL = 1;
58 int TST_CNT = 0;
59 
60 int client_sk;
61 int server_sk;
62 int acpt_sk;
63 struct sockaddr_in  conn_addr;
64 char *message = "hello, world!\n";
65 
66 void
t_recv(void)67 t_recv(void) {
68 	int cnt;
69 	struct msghdr inmessage;
70 	struct iovec iov;
71         char incmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
72         char * buffer;
73 
74 	memset(&inmessage, 0, sizeof(inmessage));
75         buffer = malloc(100);
76 
77         iov.iov_base = buffer;
78         iov.iov_len = 100;
79         inmessage.msg_iov = &iov;
80         inmessage.msg_iovlen = 1;
81         inmessage.msg_control = incmsg;
82         inmessage.msg_controllen = sizeof(incmsg);
83 
84 	cnt = test_recvmsg(acpt_sk,&inmessage, MSG_WAITALL);
85         test_check_msg_data(&inmessage, cnt, strlen(message) + 1, MSG_EOR,
86 			    0, 0);
87 }
88 
89 void
t_send(void)90 t_send(void) {
91         struct msghdr outmessage;
92         struct sctp_sndrcvinfo *sinfo;
93         struct cmsghdr *cmsg;
94         struct iovec out_iov;
95         char outcmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
96 
97         memset(&outmessage, 0, sizeof(outmessage));
98         outmessage.msg_name = &conn_addr;
99         outmessage.msg_namelen = sizeof(conn_addr);
100         outmessage.msg_iov = &out_iov;
101         outmessage.msg_iovlen = 1;
102         outmessage.msg_control = outcmsg;
103         outmessage.msg_controllen = sizeof(outcmsg);
104         outmessage.msg_flags = 0;
105 
106         cmsg = CMSG_FIRSTHDR(&outmessage);
107 	cmsg->cmsg_level = IPPROTO_SCTP;
108         cmsg->cmsg_type = SCTP_SNDRCV;
109         cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
110         outmessage.msg_controllen = cmsg->cmsg_len;
111 
112         sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
113         memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
114         outmessage.msg_iov->iov_base = message;
115         outmessage.msg_iov->iov_len = (strlen(message) + 1);
116 
117         test_sendmsg(client_sk, &outmessage, 0, strlen(message)+1);
118 }
119 
relay(void * arg)120 void *relay(void *arg)
121 {
122 	int id = *(int *) arg;
123 
124 	if (id == 0) {
125 		t_send();
126 	} else {
127 		t_recv();
128 		t_send();
129 	}
130 
131 	pthread_exit(NULL);
132 }
133 
134 int
main(void)135 main(void)
136 {
137 
138 	int      cnt,i;
139 	int      pth[THREADS];
140 	pthread_t       thread[THREADS];
141 	int  status;
142 	int  exit_status;
143 	void *      result;
144 	pthread_attr_t attr;
145 	struct sockaddr_in lstn_addr;
146 	socklen_t len = sizeof(struct sockaddr_in);
147 	struct sockaddr_in svr_addr;
148 
149 	pthread_attr_init(&attr);
150 	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
151 
152 	server_sk = test_socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
153 	client_sk = test_socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
154 
155 	lstn_addr.sin_family = AF_INET;
156         lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
157 	lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
158 
159 	conn_addr.sin_family = AF_INET;
160         conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
161 	conn_addr.sin_port = htons(SCTP_TESTPORT_1);
162 
163 	test_bind(server_sk, (struct sockaddr *)&lstn_addr,
164 		 sizeof(struct sockaddr_in));
165 
166 	test_listen(server_sk,10);
167 
168 	test_connect(client_sk,(struct sockaddr *)&conn_addr,len);
169 
170 	acpt_sk = test_accept(server_sk, (struct sockaddr *)&svr_addr, &len);
171 
172 	for ( i = 0; i < THREAD_SND_RCV_LOOPS; i++ ) {
173 		for (cnt = 0; cnt < THREADS; cnt++) {
174 			pth[cnt] = cnt;
175 			status = pthread_create(&thread[cnt], &attr, relay, &pth[cnt]);
176 			if (status)
177 				tst_brkm(TBROK, tst_exit, "pthread_create "
178                          		 "failed status:%d, errno:%d", status,
179 					 errno);
180 		}
181 
182 		pthread_attr_destroy(&attr);
183 		for (cnt = 0; cnt < THREADS ; cnt++) {
184 			exit_status = pthread_join (thread[cnt], &result);
185 			if (exit_status == -1)
186 				tst_brkm(TBROK, tst_exit, "pthread_join "
187                          		 "Thread #%d exited with status:%d",
188 					 cnt, exit_status);
189 		}
190 	}
191 
192 	tst_resm(TPASS, "send and receive data across multiple threads - "
193 		 "SUCCESS");
194 
195 	return 0;
196 }
197