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c7bc44d5ad
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer with state-of-the-art rendering techniques tuned to work as low as middle end handheld devices - without compromising with the possibilities given for higher end desktop games of course. Great times ahead for the Godot community and the gamers that will play our games!
374 lines
8.4 KiB
C++
374 lines
8.4 KiB
C++
/*************************************************************************/
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/* stream_peer_winsock.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifdef WINDOWS_ENABLED
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#include "stream_peer_winsock.h"
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include "drivers/unix/socket_helpers.h"
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int winsock_refcount = 0;
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StreamPeerTCP* StreamPeerWinsock::_create() {
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return memnew(StreamPeerWinsock);
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};
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void StreamPeerWinsock::make_default() {
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StreamPeerTCP::_create = StreamPeerWinsock::_create;
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if (winsock_refcount == 0) {
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WSADATA data;
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WSAStartup(MAKEWORD(2,2), &data);
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};
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++winsock_refcount;
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};
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void StreamPeerWinsock::cleanup() {
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--winsock_refcount;
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if (winsock_refcount == 0) {
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WSACleanup();
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};
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};
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Error StreamPeerWinsock::_block(int p_sockfd, bool p_read, bool p_write) const {
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fd_set read, write;
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FD_ZERO(&read);
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FD_ZERO(&write);
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if (p_read)
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FD_SET(p_sockfd, &read);
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if (p_write)
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FD_SET(p_sockfd, &write);
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int ret = select(p_sockfd + 1, &read, &write, NULL, NULL); // block forever
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return ret < 0 ? FAILED : OK;
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};
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Error StreamPeerWinsock::_poll_connection(bool p_block) const {
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ERR_FAIL_COND_V(status != STATUS_CONNECTING || sockfd == INVALID_SOCKET, FAILED);
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if (p_block) {
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_block(sockfd, false, true);
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};
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struct sockaddr_storage their_addr;
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size_t addr_size = _set_sockaddr(&their_addr, peer_host, peer_port);
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if (::connect(sockfd, (struct sockaddr *)&their_addr,addr_size) == SOCKET_ERROR) {
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int err = WSAGetLastError();
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if (err == WSAEISCONN) {
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status = STATUS_CONNECTED;
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return OK;
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};
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return OK;
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} else {
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status = STATUS_CONNECTED;
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return OK;
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};
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return OK;
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};
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Error StreamPeerWinsock::write(const uint8_t* p_data,int p_bytes, int &r_sent, bool p_block) {
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if (status == STATUS_NONE || status == STATUS_ERROR) {
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return FAILED;
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};
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if (status != STATUS_CONNECTED) {
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if (_poll_connection(p_block) != OK) {
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return FAILED;
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};
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if (status != STATUS_CONNECTED) {
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r_sent = 0;
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return OK;
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};
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};
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int data_to_send = p_bytes;
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const uint8_t *offset = p_data;
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if (sockfd == -1) return FAILED;
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errno = 0;
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int total_sent = 0;
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while (data_to_send) {
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int sent_amount = send(sockfd, (const char*)offset, data_to_send, 0);
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//printf("Sent TCP data of %d bytes, errno %d\n", sent_amount, errno);
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if (sent_amount == -1) {
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if (WSAGetLastError() != WSAEWOULDBLOCK) {
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perror("shit?");
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disconnect();
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ERR_PRINT("Server disconnected!\n");
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return FAILED;
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};
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if (!p_block) {
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r_sent = total_sent;
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return OK;
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};
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_block(sockfd, false, true);
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} else {
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data_to_send -= sent_amount;
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offset += sent_amount;
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total_sent += sent_amount;
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};
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}
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r_sent = total_sent;
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return OK;
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};
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Error StreamPeerWinsock::read(uint8_t* p_buffer, int p_bytes,int &r_received, bool p_block) {
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if (!is_connected()) {
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return FAILED;
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};
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if (status != STATUS_CONNECTED) {
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if (_poll_connection(p_block) != OK) {
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return FAILED;
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};
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if (status != STATUS_CONNECTED) {
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r_received = 0;
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return OK;
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};
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};
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int to_read = p_bytes;
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int total_read = 0;
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errno = 0;
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while (to_read) {
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int read = recv(sockfd, (char*)p_buffer + total_read, to_read, 0);
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if (read == -1) {
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if (WSAGetLastError() != WSAEWOULDBLOCK) {
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perror("shit?");
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disconnect();
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ERR_PRINT("Server disconnected!\n");
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return FAILED;
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};
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if (!p_block) {
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r_received = total_read;
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return OK;
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};
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_block(sockfd, true, false);
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} else if (read == 0) {
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disconnect();
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return ERR_FILE_EOF;
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} else {
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to_read -= read;
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total_read += read;
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};
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};
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r_received = total_read;
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return OK;
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};
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Error StreamPeerWinsock::put_data(const uint8_t* p_data,int p_bytes) {
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int total;
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return write(p_data, p_bytes, total, true);
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};
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Error StreamPeerWinsock::put_partial_data(const uint8_t* p_data,int p_bytes, int &r_sent) {
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return write(p_data, p_bytes, r_sent, false);
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};
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Error StreamPeerWinsock::get_data(uint8_t* p_buffer, int p_bytes) {
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int total;
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return read(p_buffer, p_bytes, total, true);
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};
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Error StreamPeerWinsock::get_partial_data(uint8_t* p_buffer, int p_bytes,int &r_received) {
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return read(p_buffer, p_bytes, r_received, false);
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};
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StreamPeerTCP::Status StreamPeerWinsock::get_status() const {
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if (status == STATUS_CONNECTING) {
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_poll_connection(false);
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};
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return status;
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};
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bool StreamPeerWinsock::is_connected() const {
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if (status == STATUS_NONE || status == STATUS_ERROR) {
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return false;
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};
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if (status != STATUS_CONNECTED) {
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return true;
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};
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return (sockfd!=INVALID_SOCKET);
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};
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void StreamPeerWinsock::disconnect() {
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if (sockfd != INVALID_SOCKET)
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closesocket(sockfd);
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sockfd=INVALID_SOCKET;
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status = STATUS_NONE;
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peer_host = IP_Address();
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peer_port = 0;
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};
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void StreamPeerWinsock::set_socket(int p_sockfd, IP_Address p_host, int p_port) {
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sockfd = p_sockfd;
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status = STATUS_CONNECTING;
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peer_host = p_host;
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peer_port = p_port;
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};
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Error StreamPeerWinsock::connect(const IP_Address& p_host, uint16_t p_port) {
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ERR_FAIL_COND_V( p_host.type == IP_Address::TYPE_NONE, ERR_INVALID_PARAMETER);
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sockfd = _socket_create(p_host.type, SOCK_STREAM, IPPROTO_TCP);
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if (sockfd == INVALID_SOCKET) {
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ERR_PRINT("Socket creation failed!");
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disconnect();
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//perror("socket");
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return FAILED;
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};
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unsigned long par = 1;
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if (ioctlsocket(sockfd, FIONBIO, &par)) {
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perror("setting non-block mode");
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disconnect();
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return FAILED;
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};
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struct sockaddr_storage their_addr;
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size_t addr_size = _set_sockaddr(&their_addr, p_host, p_port);
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if (::connect(sockfd, (struct sockaddr *)&their_addr,addr_size) == SOCKET_ERROR) {
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if (WSAGetLastError() != WSAEWOULDBLOCK) {
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ERR_PRINT("Connection to remote host failed!");
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disconnect();
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return FAILED;
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};
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status = STATUS_CONNECTING;
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} else {
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status = STATUS_CONNECTED;
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};
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peer_host = p_host;
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peer_port = p_port;
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return OK;
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};
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void StreamPeerWinsock::set_nodelay(bool p_enabled) {
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ERR_FAIL_COND(!is_connected());
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int flag=p_enabled?1:0;
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setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(int));
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}
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int StreamPeerWinsock::get_available_bytes() const {
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unsigned long len;
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int ret = ioctlsocket(sockfd,FIONREAD,&len);
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ERR_FAIL_COND_V(ret==-1,0)
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return len;
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}
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IP_Address StreamPeerWinsock::get_connected_host() const {
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return peer_host;
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};
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uint16_t StreamPeerWinsock::get_connected_port() const {
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return peer_port;
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};
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StreamPeerWinsock::StreamPeerWinsock() {
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sockfd = INVALID_SOCKET;
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status = STATUS_NONE;
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peer_port = 0;
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};
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StreamPeerWinsock::~StreamPeerWinsock() {
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disconnect();
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};
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#endif
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