daScript/src/misc/network.cpp at revert_fence · WhyNot135/daScript · GitHub

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#include "daScript/misc/platform.h"

#include "daScript/misc/network.h"

#ifdef _WIN32

#include <winsock2.h>

#include <ws2tcpip.h>

#include <stdlib.h>

#include <stdio.h>

#pragma comment (lib, "Ws2_32.lib")

#pragma comment (lib, "Mswsock.lib")

#pragma comment (lib, "AdvApi32.lib")

#else

#ifdef __NINTENDO__

#include <arpa/inet.h>

#endif

#include <sys/socket.h>

#include <netinet/in.h>

#include <unistd.h>

#include <errno.h>

#include <fcntl.h>

#define closesocket close

#ifdef __APPLE__

#include <sys/errno.h>

#endif

namespace das {

#ifdef _WIN32

#define invalid_socket(x) ((x)==socket_t(~0))

#else

#define invalid_socket(x) ((x)<0)

#endif

bool Server::startup() {

#ifdef _WIN32

WSADATA wsaData;

return WSAStartup(MAKEWORD(2,2), &wsaData)==0;

#else

return true;

#endif

}

void Server::shutdown() {

#ifdef _WIN32

WSACleanup();

#endif

}

bool set_socket_blocking ( socket_t fd, bool blocking ) {

#ifdef _WIN32

unsigned long mode = blocking ? 0 : 1;

return (ioctlsocket(fd, FIONBIO, &mode) == 0) ? true : false;

#else

int flags = fcntl(fd, F_GETFL, 0);

if (flags == -1) return false;

flags = blocking ? (flags & ~O_NONBLOCK) : (flags | O_NONBLOCK);

return (fcntl(fd, F_SETFL, flags) == 0) ? true : false;

#endif

}

Server::Server() {

}

bool Server::init ( int port ) {

errno = 0;

server_fd = socket(AF_INET, SOCK_STREAM, 0);

if ( !server_fd ) {

onError("can't socket", errno);

return false;

}

struct sockaddr_in address;

address.sin_family = AF_INET;

address.sin_addr.s_addr = INADDR_ANY;

address.sin_port = htons(uint16_t(port) );

#if defined(__APPLE__)

int val = 1;

setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));

#endif

if ( ::bind(server_fd, (struct sockaddr *)&address,sizeof(address))<0 ) {

onError("can't bind", errno);

closesocket(server_fd);

return false;

}

if ( listen(server_fd, 3) < 0) {

onError("can't listen", errno);

closesocket(server_fd);

return false;

}

if ( !set_socket_blocking(server_fd,false) ) {

onError("can't set nbio", errno);

closesocket(server_fd);

return false;

}

return true;

}

void Server::onData(char *, int) {

// printf("%s\n", buf);

// send_msg(buf, size);

}

void Server::onConnect() {

}

void Server::onDisconnect() {

}

void Server::onError(const char *, int) {

// printf("server error %i - %s\n", code, msg);

}

void Server::onLog(const char *) {

// printf("server log %s\n", msg);

}

bool Server::send_msg ( char * data, int size ) {

errno = 0;

if ( client_fd <= 0 ) {

onError("can't send, not connected", -1);

return false;

}

int res = 0;

for ( ;; ) {

res = send(client_fd, data, size, 0);

if ( res>0 ) {

DAS_ASSERT(size>=res);

data += res;

size -= res;

if ( size==0 ) {

return true;

}

} else {

res = errno;

if ( res!=0 && res!=EAGAIN && res!=EWOULDBLOCK ) {

onError ( "can't send", res);

closesocket(client_fd);

client_fd = 0;

return false;

}

void Server::tick() {

errno = 0;

if ( client_fd==0 ) {

struct sockaddr_in address;

int addrlen = sizeof(address);

client_fd = accept(server_fd, (struct sockaddr *)&address,(socklen_t*)&addrlen);

if ( !invalid_socket(client_fd) ) {

if ( !set_socket_blocking(client_fd,false) ) {

onError("can't set client nbio", errno);

closesocket(client_fd);

client_fd = 0;

}

onLog("connection accepted");

onConnect();

} else {

client_fd = 0;

}

} else {

char buffer[1025];

int res = recv(client_fd, buffer, 1024, 0);

if ( res >0 ) {

buffer[res] = 0;

onData(buffer, res);

} else if ( res==0 ) {

onLog("connection closed");

onDisconnect();

closesocket(client_fd);

client_fd = 0;

} else { // res<0

res = errno;

if ( res!=0 && res!=EAGAIN && res!=EWOULDBLOCK ) {

onError("connection closed on error", res);

onDisconnect();

closesocket(client_fd);

client_fd = 0;

}

Server::~Server() {

errno = 0;

if ( client_fd >0 ) {

closesocket(client_fd);

}

if ( server_fd ) {

closesocket(server_fd);

}

bool Server::is_open() const {

return server_fd != 0;

}

bool Server::is_connected() const {

return client_fd > 0;

}

daScript/src/misc/network.cpp at revert_fence · WhyNot135/daScript · GitHub

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