pocketpy/src/common/socket.c
2025-07-05 16:20:15 +08:00

126 lines
3.7 KiB
C

#include "pocketpy/common/socket.h"
#if PK_ENABLE_OS
#include <stddef.h>
#if defined (_WIN32) || defined (_WIN64)
#include <WinSock2.h>
#include <ws2tcpip.h>
typedef SOCKET socket_fd;
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
typedef int socket_fd;
#endif
#define SOCKET_HANDLERTOFD(handler) (socket_fd)(uintptr_t)(handler)
#define SOCKET_FDTOHANDLER(fd) (c11_socket_handler)(uintptr_t)(fd)
static int c11_socket_init(){
#if defined (_WIN32) || defined (_WIN64)
WORD sockVersion = MAKEWORD(2,2);
WSADATA wsaData;
return WSAStartup(sockVersion, &wsaData);
#endif
return 0;
}
c11_socket_handler c11_socket_create(int family, int type, int protocol){
static int is_initialized = 0;
if(is_initialized == 0)
{
c11_socket_init();
is_initialized = 1;
}
return SOCKET_FDTOHANDLER(socket(family, type, protocol));
}
int c11_socket_bind(c11_socket_handler socket, const char* hostname, unsigned short port){
struct sockaddr_in bind_addr;
bind_addr.sin_family = AF_INET;
bind_addr.sin_port = htons(port);
inet_pton(AF_INET,hostname,&bind_addr.sin_addr);
if(bind(SOCKET_HANDLERTOFD(socket), (const struct sockaddr*)&bind_addr, sizeof(bind_addr)) == -1){
return -1;
}
return 0;
}
int c11_socket_listen(c11_socket_handler socket, int backlog){
listen(SOCKET_HANDLERTOFD(socket), backlog);
return 0;
}
c11_socket_handler c11_socket_accept(c11_socket_handler socket, char* client_ip, unsigned short* client_port){
struct sockaddr_in client_addr;
socklen_t sockaddr_len = sizeof(client_addr);
socket_fd client_socket = accept(SOCKET_HANDLERTOFD(socket), (struct sockaddr*)&client_addr, &sockaddr_len);
if(client_ip != NULL){
inet_ntop(AF_INET, &client_addr.sin_addr,client_ip,sizeof("255.255.255.255"));
}
if(client_port != NULL){
*client_port = ntohs(client_addr.sin_port);
}
return SOCKET_FDTOHANDLER(client_socket);
}
int c11_socket_connect(c11_socket_handler socket, const char* server_ip, unsigned short server_port){
struct sockaddr_in server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(server_port);
inet_pton(AF_INET, server_ip, &server_addr.sin_addr);
if(connect(SOCKET_HANDLERTOFD(socket), (const struct sockaddr*)&server_addr, sizeof(server_addr)) == -1){
return -1;
}
return 0;
}
int c11_socket_recv(c11_socket_handler socket, char* buffer, int maxsize){
return recv(SOCKET_HANDLERTOFD(socket), buffer, maxsize,0);
}
int c11_socket_send(c11_socket_handler socket, const char* senddata, int datalen){
return send(SOCKET_HANDLERTOFD(socket), senddata, datalen, 0);
}
int c11_socket_close(c11_socket_handler socket){
#if defined (_WIN32) || defined (_WIN64)
return closesocket(SOCKET_HANDLERTOFD(socket));
#else
return close(SOCKET_HANDLERTOFD(socket));
#endif
}
int c11_socket_set_block(c11_socket_handler socket,int flag){
#if defined (_WIN32) || defined (_WIN64)
u_long mode = flag == 1 ? 0 : 1;
return ioctlsocket(SOCKET_HANDLERTOFD(socket), FIONBIO, &mode);
#else
int flags = fcntl(SOCKET_HANDLERTOFD(socket), F_GETFL, 0);
return fcntl(SOCKET_HANDLERTOFD(socket), F_SETFL, flags | O_NONBLOCK);
#endif
}
c11_socket_handler c11_socket_invalid_socket_handler(){
return (void*)(uintptr_t)(-1);
}
int c11_socket_get_last_error(){
#if defined (_WIN32) || defined (_WIN64)
return WSAGetLastError();
#else
return errno;
#endif
}
#undef SOCKET_HANDLERTOFD
#undef SOCKET_FDTOHANDLER
#endif // PK_ENABLE_OS