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/* ==== test_sock_1.c =========================================================
* Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
*
* Description : Test pthread_create() and pthread_exit() calls.
*
* 1.00 93/08/03 proven
* -Started coding this file.
*/
#include <pthread.h>
#include <errno.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include "test.h"
#include <sched.h>
#include <string.h>
struct sockaddr_in a_sout;
int success = 0;
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_attr_t attr;
#define MESSAGE5 "This should be message #5"
#define MESSAGE6 "This should be message #6"
void * sock_connect(void* arg)
{
char buf[1024];
int fd, tmp;
int ret;
/* Ensure sock_read runs first */
if ((ret = pthread_mutex_lock(&mutex)))
DIE(ret, "sock_connect:pthread_mutex_lock()");
a_sout.sin_addr.s_addr = htonl(0x7f000001); /* loopback */
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
DIE(errno, "sock_connect:socket()");
printf("This should be message #2\n");
if (connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)) < 0)
DIE(errno, "sock_connect:connect()");
close(fd);
if ((ret = pthread_mutex_unlock(&mutex)))
DIE(ret, "sock_connect:pthread_mutex_lock()");
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
DIE(ret, "sock_connect:socket()");
printf("This should be message #3\n");
if (connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)) < 0)
DIE(errno, "sock_connect:connect()");
/* Ensure sock_read runs again */
pthread_yield();
pthread_yield();
pthread_yield();
pthread_yield();
if ((ret = pthread_mutex_lock(&mutex)))
DIE(ret, "sock_connect:pthread_mutex_lock()");
if ((tmp = read(fd, buf, 1024)) <= 0)
DIE(errno, "sock_connect:read() == %d", tmp);
write(fd, MESSAGE6, sizeof(MESSAGE6));
printf("%s\n", buf);
close(fd);
success++;
if ((ret = pthread_mutex_unlock(&mutex)))
DIE(ret, "sock_connect:pthread_mutex_unlock()");
return(NULL);
}
extern struct fd_table_entry ** fd_table;
void * sock_write(void* arg)
{
int fd = *(int *)arg;
write(fd, MESSAGE5, sizeof(MESSAGE5));
return(NULL);
}
void * sock_accept(void* arg)
{
pthread_t thread;
struct sockaddr a_sin;
int a_sin_size, a_fd, fd, tmp;
short port;
char buf[1024];
int ret;
port = 3276;
a_sout.sin_family = AF_INET;
a_sout.sin_port = htons(port);
a_sout.sin_addr.s_addr = INADDR_ANY;
if ((a_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
DIE(errno, "sock_accept:socket()");
while (bind(a_fd, (struct sockaddr *) &a_sout, sizeof(a_sout)) < 0) {
if (errno == EADDRINUSE) {
a_sout.sin_port = htons((++port));
continue;
}
DIE(errno, "sock_accept:bind()");
}
if (listen(a_fd, 2))
DIE(errno, "sock_accept:listen()");
a_sin_size = sizeof(a_sin);
printf("This should be message #1\n");
if ((ret = pthread_create(&thread, &attr, sock_connect,
(void *)0xdeadbeaf)))
DIE(ret, "sock_accept:pthread_create(sock_connect)");
if ((fd = accept(a_fd, &a_sin, &a_sin_size)) < 0)
DIE(errno, "sock_accept:accept()");
if ((ret = pthread_mutex_lock(&mutex)))
DIE(ret, "sock_accept:pthread_mutex_lock()");
close(fd);
a_sin_size = sizeof(a_sin);
printf("This should be message #4\n");
if ((fd = accept(a_fd, &a_sin, &a_sin_size)) < 0)
DIE(errno, "sock_accept:accept()");
if ((ret = pthread_mutex_unlock(&mutex)))
DIE(ret, "sock_accept:pthread_mutex_unlock()");
/* Setup a write thread */
if ((ret = pthread_create(&thread, &attr, sock_write, &fd)))
DIE(ret, "sock_accept:pthread_create(sock_write)");
if ((tmp = read(fd, buf, 1024)) <= 0)
DIE(errno, "sock_accept:read() == %d\n", tmp);
printf("%s\n", buf);
close(fd);
if ((ret = pthread_mutex_lock(&mutex)))
DIE(ret, "sock_accept:pthread_mutex_lock()");
success++;
if ((ret = pthread_mutex_unlock(&mutex)))
DIE(ret, "sock_accept:pthread_mutex_unlock()");
return(NULL);
}
int
main()
{
pthread_t thread;
int ret;
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if ((ret = pthread_attr_init(&attr)))
DIE(ret, "main:pthread_attr_init()");
#if 0
if ((ret = pthread_attr_setschedpolicy(&attr, SCHED_FIFO)))
DIE(ret, "main:pthread_attr_setschedpolicy()");
#endif
if ((ret = pthread_create(&thread, &attr, sock_accept,
(void *)0xdeadbeaf)))
DIE(ret, "main:pthread_create(sock_accept)");
printf("initial thread %p going to sleep\n", pthread_self());
sleep(2);
printf("done sleeping. success = %d\n", success);
exit(success == 2?0:1);
}
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