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socket_qemu_monitor_client.c
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socket_qemu_monitor_client.c
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/* socket_qemu_monitor_clinet.c
* Connect to remote QEMU monitor socket and sending a command to the monitor.
* author: Jay <smile665@gmail.com>
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char *argv[])
{
int sockfd;
int len;
struct sockaddr_in address;
int result;
char *cmd = "info kvm\n";
char output[200];
/* Create a socket for the client. */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
/* Name the socket, as agreed with the server. */
address.sin_family = AF_INET;
address.sin_addr.s_addr = inet_addr("10.1.77.82");
address.sin_port = htons(4444);
len = sizeof(address);
/* Now connect our socket to the server's socket. */
result = connect(sockfd, (struct sockaddr *)&address, len);
if(result == -1) {
perror("oops: socket connetion failed.");
exit(1);
}
/* We can now read/write via sockfd. */
printf("sending command '%s' to remote qemu monitor\n", cmd);
write(sockfd, cmd, strlen(cmd));
read(sockfd, output, sizeof(output));
printf("output from qemu monitor: %s\n", output);
read(sockfd, output, sizeof(output));
printf("output from qemu monitor: %s\n", output);
close(sockfd);
exit(0);
}