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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/un.h>
#include <fcntl.h>
#include <syslog.h>
#define SK_NAME "/tmp/criu.unix.callback.test"
#define SK_NR 2
struct {
int id;
int sk;
int val;
} sks[SK_NR];
static int create_sock(int i)
{
int ret, id, sk, val = time(NULL) + i * 314;
char buf[4096];
struct sockaddr_un addr;
socklen_t addr_len;
id = getpid() * 10 + i;
sk = socket(AF_UNIX, SOCK_DGRAM, 0);
if (sk < 0)
return -1;
addr.sun_family = AF_UNIX;
addr_len = snprintf(addr.sun_path, UNIX_PATH_MAX, "%s%d", SK_NAME, id);
addr_len += sizeof(addr.sun_family);
if (bind(sk, (struct sockaddr *) &addr, addr_len) < 0) {
perror("bind");
return 1;
}
addr.sun_family = AF_UNIX;
addr_len = snprintf(addr.sun_path, UNIX_PATH_MAX, SK_NAME);
addr_len += sizeof(addr.sun_family);
if (connect(sk, (struct sockaddr *) &addr, addr_len) < 0) {
perror("connect");
return 1;
}
printf("init %d\n", val);
ret = sprintf(buf, "t%d", val);
if (send(sk, buf, ret, 0) < 0) {
perror("send");
return -1;
}
sks[i].sk = sk;
sks[i].val = val;
return 0;
}
static int check_sock(int i)
{
int sk = sks[i].sk, val = sks[i].val;
char buf[4096];
if (send(sk, "r", 1, 0) < 0) {
perror("send(\"r\")");
return -1;
}
if (recv(sk, buf, sizeof(buf), 0) <= 0) {
perror("recv");
return -1;
}
printf("%s - %d\n", buf, val);
if (atoi(buf) != val)
return -1;
return 0;
}
int main()
{
int i, fd;
sigset_t set;
int sig;
for (i = 0; i < SK_NR; i++)
if (create_sock(i))
return -1;
fd = open("pid", O_WRONLY | O_CREAT, 0666);
if (fd < 0)
return 1;
dprintf(fd, "%d\n", getpid());
close(fd);
openlog("test", LOG_NDELAY, LOG_USER );
sigemptyset(&set);
sigaddset(&set, SIGTERM);
sigprocmask(SIG_BLOCK, &set, NULL);
sigwait(&set, &sig);
syslog(LOG_CRIT, "test message");
for (i = 0; i < SK_NR; i++)
if (check_sock(i))
return -1;
printf("PASS\n");
return 0;
}
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