Socket 통신하기 - TCP 클라이언트
클라이언트 파트 - client.c
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#define BUFF_SIZE 1024
int main( int argc, char **argv)
{
int client_socket;
struct sockaddr_in server_addr;
char buff[BUFF_SIZE+5];
client_socket = socket( PF_INET, SOCK_STREAM, 0);
if( -1 == client_socket)
{
exit( 1);
} else {
printf("socket created...\n");
}
memset( &server_addr, 0, sizeof( server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(9100);
server_addr.sin_addr.s_addr= htonl(INADDR_ANY);
if( -1 == connect( client_socket, (struct sockaddr*)&server_addr, sizeof( server_addr) ) )
{
exit( 1);
} else {
printf("client socket created....\n");
}
printf("send data .... \n");
write( client_socket, argv[1], strlen( argv[1])+1);
printf("read return value\n");
read ( client_socket, buff, BUFF_SIZE);
printf( "%s\n", buff);
close( client_socket);
return 0;
}