99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#define FORBIDDEN_SYMBOL_ALLOW_ALL
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#include "backends/networking/sdl_net/client.h"
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#include "common/textconsole.h"
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#include <SDL/SDL_net.h>
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namespace Networking {
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Client::Client(): _state(INVALID), _set(nullptr), _socket(nullptr) {}
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Client::Client(SDLNet_SocketSet set, TCPsocket socket): _state(INVALID), _set(nullptr), _socket(nullptr) {
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open(set, socket);
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}
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Client::~Client() {
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close();
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}
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void Client::open(SDLNet_SocketSet set, TCPsocket socket) {
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if (_state != INVALID) close();
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_state = READING_HEADERS;
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_socket = socket;
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_set = set;
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if (set) {
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int numused = SDLNet_TCP_AddSocket(set, socket);
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if (numused == -1) {
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error("SDLNet_AddSocket: %s\n", SDLNet_GetError());
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}
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}
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}
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void Client::readHeaders() {
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if (!_socket) return;
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if (!SDLNet_SocketReady(_socket)) return;
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const uint32 BUFFER_SIZE = 16 * 1024;
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char buffer[BUFFER_SIZE];
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int bytes = SDLNet_TCP_Recv(_socket, buffer, BUFFER_SIZE);
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if (bytes <= 0) {
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warning("Client::readHeaders recv fail");
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_state = INVALID;
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return;
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}
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_headers += Common::String(buffer, bytes);
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checkIfHeadersEnded();
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}
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void Client::checkIfHeadersEnded() {
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const char *cstr = _headers.c_str();
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const char *position = strstr(cstr, "\r\n\r\n");
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if (position) _state = READ_HEADERS;
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}
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void Client::close() {
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if (_set) {
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if (_socket) {
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int numused = SDLNet_TCP_DelSocket(_set, _socket);
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if (numused == -1)
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error("SDLNet_DelSocket: %s\n", SDLNet_GetError());
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}
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_set = nullptr;
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}
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if (_socket) {
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SDLNet_TCP_Close(_socket);
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_socket = nullptr;
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}
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_state = INVALID;
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}
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ClientState Client::state() { return _state; }
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Common::String Client::headers() { return _headers; }
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} // End of namespace Networking
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