KasmVNC/win/winvnc/ManagedListener.cxx
2020-09-20 12:16:44 +00:00

120 lines
3.4 KiB
C++

/* Copyright (C) 2005 RealVNC Ltd. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <winvnc/ManagedListener.h>
#include <rfb/LogWriter.h>
using namespace winvnc;
using namespace rfb;
using namespace win32;
static LogWriter vlog("ManagedListener");
ManagedListener::ManagedListener(SocketManager* mgr)
: filter(0), manager(mgr), addrChangeNotifier(0), server(0), port(0), localOnly(false) {
}
ManagedListener::~ManagedListener() {
if (!sockets.empty()) {
std::list<network::SocketListener*>::iterator iter;
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
manager->remListener(*iter);
sockets.clear();
}
delete filter;
}
void ManagedListener::setServer(network::SocketServer* svr) {
if (svr == server)
return;
vlog.info("set server to %p", svr);
server = svr;
refresh();
}
void ManagedListener::setPort(int port_, bool localOnly_) {
if ((port_ == port) && (localOnly == localOnly_))
return;
vlog.info("set port to %d", port_);
port = port_;
localOnly = localOnly_;
refresh();
}
void ManagedListener::setFilter(const char* filterStr) {
vlog.info("set filter to %s", filterStr);
delete filter;
filter = new network::TcpFilter(filterStr);
if (!sockets.empty() && !localOnly) {
std::list<network::SocketListener*>::iterator iter;
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
(*iter)->setFilter(filter);
}
}
void ManagedListener::setAddressChangeNotifier(SocketManager::AddressChangeNotifier* acn) {
if (acn == addrChangeNotifier)
return;
addrChangeNotifier = acn;
refresh();
}
bool ManagedListener::isListening() {
return !sockets.empty();
}
void ManagedListener::refresh() {
std::list<network::SocketListener*>::iterator iter;
if (!sockets.empty()) {
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
manager->remListener(*iter);
sockets.clear();
}
if (!server)
return;
try {
if (port) {
if (localOnly)
network::createLocalTcpListeners(&sockets, port);
else
network::createTcpListeners(&sockets, NULL, port);
}
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
}
if (!sockets.empty()) {
if (!localOnly) {
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
(*iter)->setFilter(filter);
}
try {
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
manager->addListener(*iter, server, addrChangeNotifier);
} catch (...) {
std::list<network::SocketListener*>::iterator iter2;
for (iter2 = sockets.begin(); iter2 != iter; ++iter2)
manager->remListener(*iter2);
for (; iter2 != sockets.end(); ++iter2)
delete *iter;
sockets.clear();
throw;
}
}
}