diff options
Diffstat (limited to 'network.c')
| -rw-r--r-- | network.c | 20 |
1 files changed, 12 insertions, 8 deletions
@@ -1,27 +1,31 @@ #include <unistd.h> +#include <netinet/in.h> +#include <netdb.h> #include <sys/types.h> #include <sys/socket.h> #include <stdio.h> +#include "network.h" + int connect2Server(char *host, int port) { int socket_server_fd; struct sockaddr_in server_address; - printf(">>>> connect2Server [%s@%d]\n", host, port ); + 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); + return -1; } if( isalpha(host[0]) ) { - struct hostent *hp; - if( (hp=gethostbyname( host ))==NULL ) { + struct hostent *hp =(struct hostent*)gethostbyname( host ); + if( hp==NULL ) { printf("Unknown host: %s\n", host); - exit(1); + return -1; } - memcpy( &server_address.sin_addr.s_addr, hp->h_addr, hp->h_length ); + memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr, hp->h_length ); } else { inet_pton(AF_INET, host, &server_address.sin_addr); } @@ -30,8 +34,8 @@ connect2Server(char *host, int 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); + close(socket_server_fd); + return -1; } return socket_server_fd; } |