mirror of
https://github.com/liyunfan1223/azerothcore-wotlk.git
synced 2026-08-07 07:17:57 +00:00
132 lines
3.4 KiB
C++
132 lines
3.4 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
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* Copyright (C) 2021+ WarheadCore <https://github.com/WarheadCore>
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*/
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#ifndef SocketMgr_h__
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#define SocketMgr_h__
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#include "AsyncAcceptor.h"
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#include "Errors.h"
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#include "NetworkThread.h"
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#include <boost/asio/ip/tcp.hpp>
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#include <memory>
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using boost::asio::ip::tcp;
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template<class SocketType>
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class SocketMgr
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{
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public:
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virtual ~SocketMgr()
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{
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ASSERT(!_threads && !_acceptor && !_threadCount, "StopNetwork must be called prior to SocketMgr destruction");
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}
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virtual bool StartNetwork(acore::Asio::IoContext& ioContext, std::string const& bindIp, uint16 port, int threadCount)
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{
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ASSERT(threadCount > 0);
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AsyncAcceptor* acceptor = nullptr;
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try
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{
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acceptor = new AsyncAcceptor(ioContext, bindIp, port);
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}
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catch (boost::system::system_error const& err)
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{
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LOG_ERROR("network", "Exception caught in SocketMgr.StartNetwork (%s:%u): %s", bindIp.c_str(), port, err.what());
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return false;
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}
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if (!acceptor->Bind())
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{
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LOG_ERROR("network", "StartNetwork failed to bind socket acceptor");
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delete acceptor;
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return false;
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}
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_acceptor = acceptor;
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_threadCount = threadCount;
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_threads = CreateThreads();
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ASSERT(_threads);
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for (int32 i = 0; i < _threadCount; ++i)
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_threads[i].Start();
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_acceptor->SetSocketFactory([this]() { return GetSocketForAccept(); });
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return true;
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}
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virtual void StopNetwork()
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{
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_acceptor->Close();
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if (_threadCount != 0)
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for (int32 i = 0; i < _threadCount; ++i)
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_threads[i].Stop();
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Wait();
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delete _acceptor;
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_acceptor = nullptr;
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delete[] _threads;
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_threads = nullptr;
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_threadCount = 0;
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}
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void Wait()
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{
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if (_threadCount != 0)
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for (int32 i = 0; i < _threadCount; ++i)
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_threads[i].Wait();
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}
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virtual void OnSocketOpen(tcp::socket&& sock, uint32 threadIndex)
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{
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try
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{
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std::shared_ptr<SocketType> newSocket = std::make_shared<SocketType>(std::move(sock));
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newSocket->Start();
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_threads[threadIndex].AddSocket(newSocket);
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}
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catch (boost::system::system_error const& err)
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{
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LOG_WARN("network", "Failed to retrieve client's remote address %s", err.what());
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}
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}
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int32 GetNetworkThreadCount() const { return _threadCount; }
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uint32 SelectThreadWithMinConnections() const
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{
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uint32 min = 0;
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for (int32 i = 1; i < _threadCount; ++i)
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if (_threads[i].GetConnectionCount() < _threads[min].GetConnectionCount())
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min = i;
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return min;
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}
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std::pair<tcp::socket*, uint32> GetSocketForAccept()
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{
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uint32 threadIndex = SelectThreadWithMinConnections();
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return std::make_pair(_threads[threadIndex].GetSocketForAccept(), threadIndex);
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}
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protected:
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SocketMgr() :
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_acceptor(nullptr), _threads(nullptr), _threadCount(0) { }
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virtual NetworkThread<SocketType>* CreateThreads() const = 0;
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AsyncAcceptor* _acceptor;
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NetworkThread<SocketType>* _threads;
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int32 _threadCount;
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};
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#endif // SocketMgr_h__
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