188 lines
4.5 KiB
C++
188 lines
4.5 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2012-2016 Symless Ltd.
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* Copyright (C) 2012 Nick Bolton
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*
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* This package 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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* found in the file LICENSE that should have accompanied this file.
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*
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* This package 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "ipc/IpcServer.h"
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#include "ipc/Ipc.h"
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#include "ipc/IpcClientProxy.h"
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#include "ipc/IpcMessage.h"
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#include "net/IDataSocket.h"
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#include "io/IStream.h"
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#include "base/IEventQueue.h"
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#include "base/TMethodEventJob.h"
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#include "base/Event.h"
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#include "base/Log.h"
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//
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// IpcServer
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//
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IpcServer::IpcServer(IEventQueue* events, SocketMultiplexer* socketMultiplexer) :
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m_mock(false),
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m_events(events),
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m_socketMultiplexer(socketMultiplexer),
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m_socket(nullptr),
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m_address(NetworkAddress(IPC_HOST, IPC_PORT))
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{
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init();
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}
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IpcServer::IpcServer(IEventQueue* events, SocketMultiplexer* socketMultiplexer, int port) :
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m_mock(false),
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m_events(events),
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m_socketMultiplexer(socketMultiplexer),
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m_address(NetworkAddress(IPC_HOST, port))
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{
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init();
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}
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void
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IpcServer::init()
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{
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m_socket = new TCPListenSocket(m_events, m_socketMultiplexer);
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m_clientsMutex = ARCH->newMutex();
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m_address.resolve();
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m_events->adoptHandler(
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m_events->forIListenSocket().connecting(), m_socket,
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new TMethodEventJob<IpcServer>(
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this, &IpcServer::handleClientConnecting));
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}
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IpcServer::~IpcServer()
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{
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if (m_mock) {
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return;
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}
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if (m_socket != nullptr) {
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delete m_socket;
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}
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ARCH->lockMutex(m_clientsMutex);
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ClientList::iterator it;
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for (it = m_clients.begin(); it != m_clients.end(); it++) {
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deleteClient(*it);
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}
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m_clients.empty();
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ARCH->unlockMutex(m_clientsMutex);
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ARCH->closeMutex(m_clientsMutex);
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m_events->removeHandler(m_events->forIListenSocket().connecting(), m_socket);
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}
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void
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IpcServer::listen()
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{
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m_socket->bind(m_address);
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}
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void
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IpcServer::handleClientConnecting(const Event&, void*)
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{
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synergy::IStream* stream = m_socket->accept();
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if (stream == NULL) {
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return;
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}
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LOG((CLOG_DEBUG "accepted ipc client connection"));
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ARCH->lockMutex(m_clientsMutex);
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IpcClientProxy* proxy = new IpcClientProxy(*stream, m_events);
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m_clients.push_back(proxy);
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ARCH->unlockMutex(m_clientsMutex);
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m_events->adoptHandler(
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m_events->forIpcClientProxy().disconnected(), proxy,
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new TMethodEventJob<IpcServer>(
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this, &IpcServer::handleClientDisconnected));
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m_events->adoptHandler(
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m_events->forIpcClientProxy().messageReceived(), proxy,
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new TMethodEventJob<IpcServer>(
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this, &IpcServer::handleMessageReceived));
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m_events->addEvent(Event(
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m_events->forIpcServer().clientConnected(), this, proxy, Event::kDontFreeData));
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}
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void
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IpcServer::handleClientDisconnected(const Event& e, void*)
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{
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IpcClientProxy* proxy = static_cast<IpcClientProxy*>(e.getTarget());
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ArchMutexLock lock(m_clientsMutex);
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m_clients.remove(proxy);
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deleteClient(proxy);
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LOG((CLOG_DEBUG "ipc client proxy removed, connected=%d", m_clients.size()));
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}
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void
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IpcServer::handleMessageReceived(const Event& e, void*)
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{
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Event event(m_events->forIpcServer().messageReceived(), this);
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event.setDataObject(e.getDataObject());
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m_events->addEvent(event);
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}
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void
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IpcServer::deleteClient(IpcClientProxy* proxy)
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{
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m_events->removeHandler(m_events->forIpcClientProxy().messageReceived(), proxy);
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m_events->removeHandler(m_events->forIpcClientProxy().disconnected(), proxy);
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delete proxy;
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}
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bool
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IpcServer::hasClients(EIpcClientType clientType) const
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{
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ArchMutexLock lock(m_clientsMutex);
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if (m_clients.empty()) {
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return false;
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}
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ClientList::const_iterator it;
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for (it = m_clients.begin(); it != m_clients.end(); it++) {
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// at least one client is alive and type matches, there are clients.
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IpcClientProxy* p = *it;
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if (!p->m_disconnecting && p->m_clientType == clientType) {
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return true;
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}
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}
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// all clients must be disconnecting, no active clients.
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return false;
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}
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void
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IpcServer::send(const IpcMessage& message, EIpcClientType filterType)
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{
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ArchMutexLock lock(m_clientsMutex);
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ClientList::iterator it;
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for (it = m_clients.begin(); it != m_clients.end(); it++) {
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IpcClientProxy* proxy = *it;
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if (proxy->m_clientType == filterType) {
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proxy->send(message);
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}
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}
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}
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