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//
// TCPServer.cpp
//
// Library: Net
// Package: TCPServer
// Module: TCPServer
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Net/TCPServer.h"
#include "Poco/Net/TCPServerDispatcher.h"
#include "Poco/Net/TCPServerConnection.h"
#include "Poco/Net/TCPServerConnectionFactory.h"
#include "Poco/Timespan.h"
#include "Poco/Exception.h"
#include "Poco/ErrorHandler.h"
using Poco::ErrorHandler;
namespace Poco {
namespace Net {
//
// TCPServerConnectionFilter
//
TCPServerConnectionFilter::~TCPServerConnectionFilter()
{
}
//
// TCPServer
//
TCPServer::TCPServer(TCPServerConnectionFactory::Ptr pFactory, Poco::UInt16 portNumber, TCPServerParams::Ptr pParams):
_socket(ServerSocket(portNumber)),
_thread(threadName(_socket)),
_stopped(true)
{
Poco::ThreadPool& pool = Poco::ThreadPool::defaultPool();
if (pParams)
{
int toAdd = pParams->getMaxThreads() - pool.capacity();
if (toAdd > 0) pool.addCapacity(toAdd);
}
_pDispatcher = new TCPServerDispatcher(pFactory, pool, pParams);
}
TCPServer::TCPServer(TCPServerConnectionFactory::Ptr pFactory, const ServerSocket& socket, TCPServerParams::Ptr pParams):
_socket(socket),
_thread(threadName(socket)),
_stopped(true)
{
Poco::ThreadPool& pool = Poco::ThreadPool::defaultPool();
if (pParams)
{
int toAdd = pParams->getMaxThreads() - pool.capacity();
if (toAdd > 0) pool.addCapacity(toAdd);
}
_pDispatcher = new TCPServerDispatcher(pFactory, pool, pParams);
}
TCPServer::TCPServer(TCPServerConnectionFactory::Ptr pFactory, Poco::ThreadPool& threadPool, const ServerSocket& socket, TCPServerParams::Ptr pParams):
_socket(socket),
_pDispatcher(new TCPServerDispatcher(pFactory, threadPool, pParams)),
_thread(threadName(socket)),
_stopped(true)
{
}
TCPServer::~TCPServer()
{
try
{
stop();
_pDispatcher->release();
}
catch (...)
{
poco_unexpected();
}
}
const TCPServerParams& TCPServer::params() const
{
return _pDispatcher->params();
}
void TCPServer::start()
{
poco_assert (_stopped);
_stopped = false;
_thread.start(*this);
}
void TCPServer::stop()
{
if (!_stopped)
{
_stopped = true;
_thread.join();
_pDispatcher->stop();
}
}
void TCPServer::run()
{
while (!_stopped)
{
Poco::Timespan timeout(250000);
try
{
if (_socket.poll(timeout, Socket::SELECT_READ))
{
try
{
StreamSocket ss = _socket.acceptConnection();
if (!_pConnectionFilter || _pConnectionFilter->accept(ss))
{
// enable nodelay per default: OSX really needs that
#if defined(POCO_OS_FAMILY_UNIX)
if (ss.address().family() != AddressFamily::UNIX_LOCAL)
#endif
{
ss.setNoDelay(true);
}
_pDispatcher->enqueue(ss);
}
}
catch (Poco::Exception& exc)
{
ErrorHandler::handle(exc);
}
catch (std::exception& exc)
{
ErrorHandler::handle(exc);
}
catch (...)
{
ErrorHandler::handle();
}
}
}
catch (Poco::Exception& exc)
{
ErrorHandler::handle(exc);
// possibly a resource issue since poll() failed;
// give some time to recover before trying again
Poco::Thread::sleep(50);
}
}
}
int TCPServer::currentThreads() const
{
return _pDispatcher->currentThreads();
}
int TCPServer::maxThreads() const
{
return _pDispatcher->maxThreads();
}
int TCPServer::totalConnections() const
{
return _pDispatcher->totalConnections();
}
int TCPServer::currentConnections() const
{
return _pDispatcher->currentConnections();
}
int TCPServer::maxConcurrentConnections() const
{
return _pDispatcher->maxConcurrentConnections();
}
int TCPServer::queuedConnections() const
{
return _pDispatcher->queuedConnections();
}
int TCPServer::refusedConnections() const
{
return _pDispatcher->refusedConnections();
}
void TCPServer::setConnectionFilter(const TCPServerConnectionFilter::Ptr& pConnectionFilter)
{
poco_assert (_stopped);
_pConnectionFilter = pConnectionFilter;
}
std::string TCPServer::threadName(const ServerSocket& socket)
{
#if _WIN32_WCE == 0x0800
// Workaround for WEC2013: only the first call to getsockname()
// succeeds. To mitigate the impact of this bug, do not call
// socket.address(), which calls getsockname(), here.
std::string name("TCPServer");
#pragma message("Using WEC2013 getsockname() workaround in TCPServer::threadName(). Remove when no longer needed.")
#else
std::string name("TCPServer: ");
name.append(socket.address().toString());
#endif
return name;
}
} } // namespace Poco::Net
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