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d_socket.c
171 lines (117 loc) · 3.69 KB
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d_socket.c
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#include "d_socket.h"
#include "d_memory.h"
#include <sys/types.h>
#ifndef _WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#define SOCKET_ERROR -1
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#pragma comment(lib, "Ws2_32.lib")
#endif
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#ifdef __ANDROID__
#include <android/log.h>
#endif
typedef struct _d_socket {
int socket_desc; // socket descriptor
} DSocket;
#if !defined(__WIN32__)
DSocket* d_socket_connect_by_ip(char* ip, int port, DError** error) {
DSocket* new_socket = d_malloc(sizeof (DSocket));
struct sockaddr_in sock_adress;
if ((sock_adress.sin_addr.s_addr = inet_addr(ip)) == -1) {
if (error)
*error = DERROR("IP adress %s is invalid", ip);
goto error;
};
sock_adress.sin_family = AF_INET; /* Protocol IP */
sock_adress.sin_port = htons(port);
new_socket->socket_desc = socket(AF_INET, SOCK_STREAM, 0);
if (new_socket->socket_desc == 0) {
if (error)
*error = DERROR("Cant create socket, %s", strerror(errno));
goto error;
}
if (connect(new_socket->socket_desc, (const struct sockaddr*) &sock_adress, sizeof (sock_adress)) == SOCKET_ERROR) {
if (error)
*error = DERROR("Connection to %s:%d failed, %s", ip, port, strerror(errno));
goto error;
}
return new_socket;
error:
if (new_socket) d_socket_close(new_socket);
return NULL;
}
void d_socket_close(DSocket* socket) {
if (socket->socket_desc > 0) {
#if __WIN32__ == 1
shutdown(socket->socket_desc, SHUT_RDWR);
#endif
close(socket->socket_desc);
}
free(socket);
}
void d_socket_send(DSocket* socket, void* buffer, size_t len, DError** error) {
int result = send(socket->socket_desc, buffer, len, 0);
if (result == SOCKET_ERROR) {
if (error)
*error = DERROR("Error while sending data, %s", strerror(errno));
}
}
#else
DSocket* d_socket_connect_by_ip(char* ip, int port, DError** error) {
int iResult;
WSADATA wsaData;
// Initialize Winsock
iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != 0) {
printf("WSAStartup failed: %d\n", iResult);
return NULL;
}
DSocket* new_socket = d_malloc(sizeof (DSocket));
struct sockaddr_in sock_adress;
if ((sock_adress.sin_addr.s_addr = inet_addr(ip)) == -1) {
if (error)
*error = DERROR("IP adress %s is invalid", ip);
goto error;
};
sock_adress.sin_family = AF_INET; /* Protocol IP */
sock_adress.sin_port = htons(port);
new_socket->socket_desc = socket(AF_INET, SOCK_STREAM, 0);
if (new_socket->socket_desc == INVALID_SOCKET) {
if (error)
*error = DERROR("Cant create socket, %s", strerror(errno));
goto error;
}
if (connect(new_socket->socket_desc, (const struct sockaddr*) &sock_adress, sizeof (sock_adress)) == SOCKET_ERROR) {
if (error)
*error = DERROR("Connection to %s:%d failed, %s", ip, port, strerror(errno));
goto error;
}
return new_socket;
error:
if (new_socket) d_socket_close(new_socket);
return NULL;
}
void d_socket_close(DSocket* socket) {
if (socket->socket_desc > 0) {
shutdown(socket->socket_desc, SD_BOTH);
closesocket(socket->socket_desc);
}
free(socket);
}
void d_socket_send(DSocket* socket, void* buffer, size_t len, DError** error) {
int result = send(socket->socket_desc, buffer, len, 0);
if (result == SOCKET_ERROR) {
if (error)
*error = DERROR("Error while sending data, %s", strerror(errno));
}
}
#endif