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#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
int
connect2Server(char *host, int port) {
int socket_server_fd;
struct sockaddr_in server_address;
printf(">>>> connect2Server [%s@%d]\n", host, port );
socket_server_fd = socket(AF_INET, SOCK_STREAM, 0);
if( socket_server_fd==-1 ) {
perror("Failed to create socket");
exit(1);
}
if( isalpha(host[0]) ) {
struct hostent *hp;
if( (hp=gethostbyname( host ))==NULL ) {
printf("Unknown host: %s\n", host);
exit(1);
}
memcpy( &server_address.sin_addr.s_addr, hp->h_addr, hp->h_length );
} else {
inet_pton(AF_INET, host, &server_address.sin_addr);
}
server_address.sin_family=AF_INET;
server_address.sin_port=htons(port);
if( connect( socket_server_fd, (struct sockaddr*)&server_address, sizeof(server_address) )==-1 ) {
perror("Failed to connect to server");
close(socket_Stream_fd);
exit(1);
}
return socket_server_fd;
}
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