Files
mckernel/executer/user/ql_talker.c

102 lines
1.8 KiB
C

#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
#include "../include/qlmpi.h"
int fd = -1;
#define BUF_MAX 256
void terminate(int rc)
{
if(fd >= 0){
shutdown(fd, 2);
close(fd);
}
exit(rc);
}
int main(int argc, char* argv[])
{
int rc=-1, len;
struct sockaddr_un unix_addr;
char buf[BUF_MAX];
signal(SIGINT, terminate);
signal(SIGTERM, terminate);
if (argc < 5) {
#ifdef QL_DEBUG
printf("too few arguments\n");
#endif
return rc;
}
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd < 0) {
#ifdef QL_DEBUG
printf("client:socket error.\n");
#endif
terminate(rc);
}
#ifdef QL_DEBUG
printf("client:socket.\n");
#endif
unix_addr.sun_family = AF_UNIX;
strcpy(unix_addr.sun_path, argv[4]);
#ifdef QL_DEBUG
printf("socket_path %s\n",argv[4]);
#endif
len = sizeof(unix_addr.sun_family)+strlen(unix_addr.sun_path) + 1;
rc = connect(fd, (struct sockaddr*)&unix_addr, len);
if (rc < 0) {
#ifdef QL_DEBUG
printf("client:connect error.\n");
printf("%s %s\n", unix_addr.sun_path, strerror(errno));
#endif
terminate(rc);
}
if (argv[1][0]) {
sprintf(buf,"%s %04x %s",argv[1],
(unsigned int)strlen(argv[3]),argv[3]);
rc = send(fd, buf, strlen(buf) + 1, 0);
if (rc < 0) {
#ifdef QL_DEBUG
printf("send error.\n");
#endif
terminate(rc);
}
}
if (strcmp(argv[2],"-n")) {
#ifdef QL_DEBUG
printf("waiting reply message from ql_server ...\n");
#endif
rc = recv(fd, buf, 256, 0);
#ifdef QL_DEBUG
printf("%s\n",buf);
#endif
if (rc < 0) {
#ifdef QL_DEBUG
printf("recv error\n");
#endif
terminate(rc);
}
if (buf[0] == argv[2][0]){
terminate(0);
}
if (buf[0] == QL_AB_END){
/* abnormal end */
terminate(-2);
}
}
terminate(0);
return rc; /*not reached */
}