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/* SCTP kernel Implementation
* Copyright (c) 2003 Hewlett-Packard Development Company, L.P
* (C) Copyright IBM Corp. 2004
*
* This file does send and receive for 500 threads on a unique association for
* THREAD_SND_RCV_LOOPS = 10 many times. To change the number of threads
* change the THREADS valuen and loop change the THREAD_SND_RCV_LOOPS.
*
* 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 <lksctp-developers@lists.sourceforge.net>
*
* 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 <pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h> /* for sockaddr_in */
#include <arpa/inet.h>
#include <errno.h>
#include <netinet/sctp.h>
#include <sys/uio.h>
#include <linux/socket.h>
#include <sctputil.h>
#include "tst_kernel.h"
#define THREADS 10 /* FIXME should be 500 instead of 10 */
#define THREAD_SND_RCV_LOOPS 10
char *TCID = __FILE__;
int TST_TOTAL = 1;
int TST_CNT = 0;
int client_sk;
int server_sk;
int acpt_sk;
struct sockaddr_in conn_addr;
char *message = "hello, world!\n";
void
t_recv(void) {
int cnt;
struct msghdr inmessage;
struct iovec iov;
char incmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
char * buffer;
memset(&inmessage, 0, sizeof(inmessage));
buffer = malloc(100);
iov.iov_base = buffer;
iov.iov_len = 100;
inmessage.msg_iov = &iov;
inmessage.msg_iovlen = 1;
inmessage.msg_control = incmsg;
inmessage.msg_controllen = sizeof(incmsg);
cnt = test_recvmsg(acpt_sk,&inmessage, MSG_WAITALL);
test_check_msg_data(&inmessage, cnt, strlen(message) + 1, MSG_EOR,
0, 0);
}
void
t_send(void) {
struct msghdr outmessage;
struct sctp_sndrcvinfo *sinfo;
struct cmsghdr *cmsg;
struct iovec out_iov;
char outcmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
memset(&outmessage, 0, sizeof(outmessage));
outmessage.msg_name = &conn_addr;
outmessage.msg_namelen = sizeof(conn_addr);
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));
outmessage.msg_iov->iov_base = message;
outmessage.msg_iov->iov_len = (strlen(message) + 1);
test_sendmsg(client_sk, &outmessage, 0, strlen(message)+1);
}
void *relay(void *arg)
{
int id = *(int *) arg;
if (id == 0) {
t_send();
} else {
t_recv();
t_send();
}
pthread_exit(NULL);
}
int
main(void)
{
int cnt,i;
int pth[THREADS];
pthread_t thread[THREADS];
int status;
int exit_status;
void * result;
pthread_attr_t attr;
struct sockaddr_in lstn_addr;
socklen_t len = sizeof(struct sockaddr_in);
struct sockaddr_in svr_addr;
if (tst_check_driver("sctp"))
tst_brkm(TCONF, tst_exit, "sctp driver not available");
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
server_sk = test_socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
client_sk = test_socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
lstn_addr.sin_family = AF_INET;
lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
conn_addr.sin_family = AF_INET;
conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
conn_addr.sin_port = htons(SCTP_TESTPORT_1);
test_bind(server_sk, (struct sockaddr *)&lstn_addr,
sizeof(struct sockaddr_in));
test_listen(server_sk,10);
test_connect(client_sk,(struct sockaddr *)&conn_addr,len);
acpt_sk = test_accept(server_sk, (struct sockaddr *)&svr_addr, &len);
for ( i = 0; i < THREAD_SND_RCV_LOOPS; i++ ) {
for (cnt = 0; cnt < THREADS; cnt++) {
pth[cnt] = cnt;
status = pthread_create(&thread[cnt], &attr, relay, &pth[cnt]);
if (status)
tst_brkm(TBROK, tst_exit, "pthread_create "
"failed status:%d, errno:%d", status,
errno);
}
pthread_attr_destroy(&attr);
for (cnt = 0; cnt < THREADS ; cnt++) {
exit_status = pthread_join (thread[cnt], &result);
if (exit_status == -1)
tst_brkm(TBROK, tst_exit, "pthread_join "
"Thread #%d exited with status:%d",
cnt, exit_status);
}
}
tst_resm(TPASS, "send and receive data across multiple threads - "
"SUCCESS");
return 0;
}
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