mirror of
https://gitee.com/ldcsaa/HP-Socket.git
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213 lines
7.9 KiB
C
213 lines
7.9 KiB
C
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/*
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* Copyright: JessMA Open Source (ldcsaa@gmail.com)
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*
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* Author : Bruce Liang
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* Website : https://github.com/ldcsaa
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* Project : https://github.com/ldcsaa/HP-Socket
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* Blog : http://www.cnblogs.com/ldcsaa
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* Wiki : http://www.oschina.net/p/hp-socket
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* QQ Group : 44636872, 75375912
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "MiscHelper.h"
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#ifdef _UDP_SUPPORT
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class CUdpNode : public IUdpNode
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{
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public:
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virtual BOOL Start(LPCTSTR lpszBindAddress = nullptr, USHORT usPort = 0, EnCastMode enCastMode = CM_UNICAST, LPCTSTR lpszCastAddress = nullptr);
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virtual BOOL Stop();
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virtual BOOL Send(LPCTSTR lpszRemoteAddress, USHORT usRemotePort, const BYTE* pBuffer, int iLength, int iOffset = 0);
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virtual BOOL SendPackets(LPCTSTR lpszRemoteAddress, USHORT usRemotePort, const WSABUF pBuffers[], int iCount);
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virtual BOOL SendCast(const BYTE* pBuffer, int iLength, int iOffset = 0);
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virtual BOOL SendCastPackets(const WSABUF pBuffers[], int iCount);
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virtual BOOL Wait(DWORD dwMilliseconds = INFINITE) {return m_evWait.Wait(dwMilliseconds);}
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virtual BOOL HasStarted () {return m_enState == SS_STARTED || m_enState == SS_STARTING;}
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virtual EnServiceState GetState () {return m_enState;}
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virtual BOOL GetLocalAddress (TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
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virtual BOOL GetCastAddress (TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
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virtual BOOL GetPendingDataLength (int& iPending) {iPending = m_iPending; return HasStarted();}
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virtual EnSocketError GetLastError () {return m_enLastError;}
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virtual LPCTSTR GetLastErrorDesc () {return ::GetSocketErrorDesc(m_enLastError);}
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public:
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virtual void SetReuseAddressPolicy (EnReuseAddressPolicy enReusePolicy){ENSURE_HAS_STOPPED(); m_enReusePolicy = enReusePolicy;}
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virtual void SetWorkerThreadCount (DWORD dwWorkerThreadCount) {ENSURE_HAS_STOPPED(); m_dwWorkerThreadCount = dwWorkerThreadCount;}
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virtual void SetFreeBufferPoolSize (DWORD dwFreeBufferPoolSize) {ENSURE_HAS_STOPPED(); m_dwFreeBufferPoolSize = dwFreeBufferPoolSize;}
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virtual void SetFreeBufferPoolHold (DWORD dwFreeBufferPoolHold) {ENSURE_HAS_STOPPED(); m_dwFreeBufferPoolHold = dwFreeBufferPoolHold;}
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virtual void SetPostReceiveCount (DWORD dwPostReceiveCount) {ENSURE_HAS_STOPPED(); m_dwPostReceiveCount = dwPostReceiveCount;}
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virtual void SetMaxDatagramSize (DWORD dwMaxDatagramSize) {ENSURE_HAS_STOPPED(); m_dwMaxDatagramSize = dwMaxDatagramSize;}
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virtual void SetMultiCastTtl (int iMCTtl) {ENSURE_HAS_STOPPED(); m_iMCTtl = iMCTtl;}
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virtual void SetMultiCastLoop (BOOL bMCLoop) {ENSURE_HAS_STOPPED(); m_bMCLoop = bMCLoop;}
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virtual void SetExtra (PVOID pExtra) {m_pExtra = pExtra;}
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virtual EnReuseAddressPolicy GetReuseAddressPolicy () {return m_enReusePolicy;}
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virtual DWORD GetWorkerThreadCount () {return m_dwWorkerThreadCount;}
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virtual DWORD GetFreeBufferPoolSize () {return m_dwFreeBufferPoolSize;}
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virtual DWORD GetFreeBufferPoolHold () {return m_dwFreeBufferPoolHold;}
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virtual DWORD GetPostReceiveCount () {return m_dwPostReceiveCount;}
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virtual DWORD GetMaxDatagramSize () {return m_dwMaxDatagramSize;}
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virtual EnCastMode GetCastMode () {return m_enCastMode;}
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virtual int GetMultiCastTtl () {return m_iMCTtl;}
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virtual BOOL IsMultiCastLoop () {return m_bMCLoop;}
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virtual PVOID GetExtra () {return m_pExtra;}
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protected:
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EnHandleResult FirePrepareListen(SOCKET soListen)
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{return m_pListener->OnPrepareListen(this, soListen);}
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EnHandleResult FireShutdown()
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{return m_pListener->OnShutdown(this);}
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EnHandleResult FireSend(TUdpBufferObj* pBufferObj);
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EnHandleResult FireReceive(TUdpBufferObj* pBufferObj);
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EnHandleResult FireError(TUdpBufferObj* pBufferObj, int iErrorCode);
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void ProcessReceiveBufferObj(TUdpBufferObj* pBufferObj)
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{TRIGGER(FireReceive(pBufferObj));}
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void SetLastError(EnSocketError code, LPCSTR func, int ec);
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virtual BOOL CheckParams();
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virtual void PrepareStart();
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virtual void Reset();
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virtual void OnWorkerThreadStart(THR_ID dwThreadID) {}
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virtual void OnWorkerThreadEnd(THR_ID dwThreadID) {}
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BOOL DoSend(HP_SOCKADDR& addrRemote, const BYTE* pBuffer, int iLength, int iOffset = 0);
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BOOL DoSendPackets(HP_SOCKADDR& addrRemote, const WSABUF pBuffers[], int iCount);
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int SendInternal(HP_SOCKADDR& addrRemote, TUdpBufferObjPtr& bufPtr);
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private:
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friend void ContinueReceiveFrom<>(CUdpNode* pThis, TUdpBufferObj* pBufferObj);
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static UINT WINAPI WorkerThreadProc(LPVOID pv);
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BOOL CheckStarting();
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BOOL CheckStoping();
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BOOL CreateListenSocket(LPCTSTR lpszBindAddress, USHORT usPort, LPCTSTR lpszCastAddress);
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BOOL CreateListenSocket(LPCTSTR lpszBindAddress, USHORT usPort, LPCTSTR lpszCastAddress, HP_SOCKADDR& bindAddr);
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BOOL BindListenSocket(HP_SOCKADDR& bindAddr);
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BOOL ConnectToGroup(const HP_SOCKADDR& bindAddr);
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BOOL CreateCompletePort();
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BOOL CreateWorkerThreads();
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BOOL StartAccept();
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void CloseListenSocket();
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void WaitForPostReceiveRelease();
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void WaitForWorkerThreadEnd();
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void ReleaseFreeBuffer();
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void CloseCompletePort();
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TUdpBufferObj* GetFreeBufferObj(int iLen = -1);
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void AddFreeBufferObj(TUdpBufferObj* pBufferObj);
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EnIocpAction CheckIocpCommand(OVERLAPPED* pOverlapped, DWORD dwBytes, ULONG_PTR ulCompKey);
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void HandleIo(TUdpBufferObj* pBufferObj, DWORD dwBytes, DWORD dwErrorCode);
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void HandleError(TUdpBufferObj* pBufferObj, DWORD dwErrorCode);
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void HandleSend(TUdpBufferObj* pBufferObj);
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void HandleReceive(TUdpBufferObj* pBufferObj);
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int ProcessReceive(TUdpBufferObj* pBufferObj);
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int ProcessSend(TUdpBufferObj* pBufferObj);
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int ProcessSend();
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BOOL IsCanSend () {return m_iSending <= GetSendBufferSize();}
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int GetSendBufferSize () {return (32 * DEFAULT_SOCKET_SNDBUFF_SIZE);}
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BOOL IsValid () {return m_enState == SS_STARTED;}
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BOOL IsPending () {return m_iPending > 0;}
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SOCKET GetListenSocket () {return m_soListen;}
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private:
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public:
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CUdpNode(IUdpNodeListener* pListener)
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: m_pListener (pListener)
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, m_sndBuff (m_bfObjPool)
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, m_hCompletePort (nullptr)
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, m_soListen (INVALID_SOCKET)
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, m_iRemainPostReceives (0)
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, m_iPending (0)
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, m_iSending (0)
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, m_enLastError (SE_OK)
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, m_enState (SS_STOPPED)
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, m_enReusePolicy (RAP_ADDR_ONLY)
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, m_dwWorkerThreadCount (DEFAULT_WORKER_THREAD_COUNT)
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, m_dwFreeBufferPoolSize (DEFAULT_FREE_BUFFEROBJ_POOL)
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, m_dwFreeBufferPoolHold (DEFAULT_FREE_BUFFEROBJ_HOLD)
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, m_dwMaxDatagramSize (DEFAULT_UDP_MAX_DATAGRAM_SIZE)
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, m_dwPostReceiveCount (DEFAULT_UDP_POST_RECEIVE_COUNT)
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, m_pExtra (nullptr)
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, m_iMCTtl (1)
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, m_bMCLoop (FALSE)
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, m_enCastMode (CM_UNICAST)
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, m_castAddr (AF_UNSPEC, TRUE)
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, m_localAddr (AF_UNSPEC, TRUE)
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, m_evWait (TRUE, TRUE)
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{
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ASSERT(sm_wsSocket.IsValid());
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ASSERT(m_pListener);
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}
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virtual ~CUdpNode()
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{
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ENSURE_STOP();
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}
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private:
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static const CInitSocket sm_wsSocket;
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CEvt m_evWait;
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EnReuseAddressPolicy m_enReusePolicy;
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DWORD m_dwWorkerThreadCount;
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DWORD m_dwFreeBufferPoolSize;
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DWORD m_dwFreeBufferPoolHold;
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DWORD m_dwMaxDatagramSize;
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DWORD m_dwPostReceiveCount;
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PVOID m_pExtra;
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int m_iMCTtl;
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BOOL m_bMCLoop;
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EnCastMode m_enCastMode;
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HP_SOCKADDR m_castAddr;
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HP_SOCKADDR m_localAddr;
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CUdpBufferObjPool m_bfObjPool;
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TUdpBufferObjList m_sndBuff;
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IUdpNodeListener* m_pListener;
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SOCKET m_soListen;
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HANDLE m_hCompletePort;
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EnServiceState m_enState;
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EnSocketError m_enLastError;
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vector<HANDLE> m_vtWorkerThreads;
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CSpinGuard m_csState;
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volatile long m_iPending;
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volatile long m_iSending;
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volatile long m_iRemainPostReceives;
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};
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#endif
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