diff options
Diffstat (limited to 'backends/networking/sdl_net/localwebserver.cpp')
-rw-r--r-- | backends/networking/sdl_net/localwebserver.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/backends/networking/sdl_net/localwebserver.cpp b/backends/networking/sdl_net/localwebserver.cpp new file mode 100644 index 0000000000..681485701b --- /dev/null +++ b/backends/networking/sdl_net/localwebserver.cpp @@ -0,0 +1,144 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +* +*/ + +#define FORBIDDEN_SYMBOL_ALLOW_ALL + +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/str.h" +#include "common/system.h" +#include "common/timer.h" +#include "common/textconsole.h" +#include <SDL/SDL_net.h> + +namespace Common { + +DECLARE_SINGLETON(Networking::LocalWebserver); + +} + +namespace Networking { + +LocalWebserver::LocalWebserver(): _set(nullptr), _serverSocket(nullptr), _timerStarted(false), _clients(0) { + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) + _clientSocket[i] = nullptr; +} + +LocalWebserver::~LocalWebserver() { + stop(); +} + +void localWebserverTimer(void *ignored) { + LocalServer.handle(); +} + +void LocalWebserver::startTimer(int interval) { + Common::TimerManager *manager = g_system->getTimerManager(); + if (manager->installTimerProc(localWebserverTimer, interval, 0, "Networking::LocalWebserver's Timer")) { + _timerStarted = true; + } else { + warning("Failed to install Networking::LocalWebserver's timer"); + } +} + +void LocalWebserver::stopTimer() { + Common::TimerManager *manager = g_system->getTimerManager(); + manager->removeTimerProc(localWebserverTimer); + _timerStarted = false; +} + +void LocalWebserver::start() { + if (_timerStarted) return; + startTimer(); + + // Create a listening TCP socket + IPaddress ip; + if (SDLNet_ResolveHost(&ip, NULL, SERVER_PORT) == -1) { + error("SDLNet_ResolveHost: %s\n", SDLNet_GetError()); + } + _serverSocket = SDLNet_TCP_Open(&ip); + if (!_serverSocket) { + error("SDLNet_TCP_Open: %s\n", SDLNet_GetError()); + } + + // Create a socket set + _set = SDLNet_AllocSocketSet(MAX_CONNECTIONS + 1); //one more for our server socket + if (!_set) { + error("SDLNet_AllocSocketSet: %s\n", SDLNet_GetError()); + } + + int numused = SDLNet_TCP_AddSocket(_set, _serverSocket); + if (numused == -1) { + error("SDLNet_AddSocket: %s\n", SDLNet_GetError()); + } +} + +void LocalWebserver::stop() { + if (_timerStarted) stopTimer(); + + if (_set) { + SDLNet_FreeSocketSet(_set); + _set = nullptr; + } + + if (_serverSocket) { + SDLNet_TCP_Close(_serverSocket); + _serverSocket = nullptr; + } + + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) + if (_clientSocket[i]) { + SDLNet_TCP_Close(_clientSocket[i]); + _clientSocket[i] = nullptr; + } + + _clients = 0; +} + +void LocalWebserver::handle() { + int numready = SDLNet_CheckSockets(_set, 0); + if (numready == -1) { + error("SDLNet_CheckSockets: %s\n", SDLNet_GetError()); + } else if (numready) { + if (SDLNet_SocketReady(_serverSocket)) { + TCPsocket client = SDLNet_TCP_Accept(_serverSocket); + if (client) { + if (_clients == MAX_CONNECTIONS) { //drop the connection + SDLNet_TCP_Close(client); + } else { + int numused = SDLNet_TCP_AddSocket(_set, _serverSocket); + if (numused == -1) { + error("SDLNet_AddSocket: %s\n", SDLNet_GetError()); + } + _clientSocket[_clients++] = client; + } + } + } + + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) { + if (!_clientSocket[i]) continue; + if (!SDLNet_SocketReady(_clientSocket[i])) continue; + //TODO: handle client + } + } +} + +} // End of namespace Networking |