a68570b5d9
1. Add computing offloading code 2. Add script.md 3. Add virsh_demo.xml Change-Id: Id9ef883e2f0eb727eb5448b9d1c47767f46b1021 Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
#include <errno.h>
|
|
#include <netinet/in.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <unistd.h>
|
|
#include <stddef.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <linux/limits.h>
|
|
#include "uds.h"
|
|
|
|
static const char *HEAD = "write from server:\n";
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *path = NULL;
|
|
if (argc != 2) {
|
|
printf("Usage: %s pathtosock\n", argv[0]);
|
|
return -EINVAL;
|
|
}
|
|
path=argv[1];
|
|
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
printf("Fail to create socket: %s\n", strerror(errno));
|
|
return -1;
|
|
}
|
|
struct sockaddr_un addr;
|
|
addr.sun_family = AF_UNIX;
|
|
memcpy(addr.sun_path, path, strlen(path) + 1);
|
|
socklen_t size = offsetof(struct sockaddr_un, sun_path) + strlen(path) + 1;;
|
|
unlink(path);
|
|
printf("begin bind %s\n", addr.sun_path);
|
|
int ret = bind(fd, (struct sockaddr*)&addr, sizeof(addr));
|
|
if (ret < 0) {
|
|
printf("Fail to bind socket: %s\n", strerror(errno));
|
|
return ret;
|
|
}
|
|
printf("begin listen...\n");
|
|
ret = listen(fd, 10);
|
|
if (ret < 0) {
|
|
printf("Fail to listen, %s\n", strerror(errno));
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
size = sizeof(addr);
|
|
while (1) {
|
|
printf("try accept %s...\n", addr.sun_path);
|
|
int new_fd = accept(fd, (struct sockaddr*)&addr, &size);
|
|
if (new_fd < 0) {
|
|
printf("Fail to accpet, %s\n", strerror(errno));
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
printf("try udsRecvFd...\n");
|
|
int share_fd = udsRecvFd(new_fd, 0);
|
|
if (share_fd) {
|
|
printf("server write to share_fd[%d]\n", share_fd);
|
|
write(share_fd, HEAD, strlen(HEAD));
|
|
}
|
|
printf("receive share_fd=%d\n", share_fd);
|
|
char buf[PATH_MAX];
|
|
while (1) {
|
|
printf("try read from uds client...\n");
|
|
ret = read(new_fd, buf, PATH_MAX);
|
|
if (ret <= 0) {
|
|
printf("closed: %s\n", strerror(errno));
|
|
close(fd);
|
|
close(new_fd);
|
|
unlink(path);
|
|
return -1;
|
|
}
|
|
buf[ret] = '\0';
|
|
if (strncmp(buf, "quit", 4) == 0) {
|
|
printf("receive quit\n");
|
|
break;
|
|
}
|
|
printf("readmsg from client: %s\n", buf);
|
|
write(share_fd, buf, ret);
|
|
}
|
|
close(share_fd);
|
|
close(new_fd);
|
|
}
|
|
close(fd);
|
|
} |