mirror of
https://gitee.com/ldcsaa/HP-Socket.git
synced 2024-12-05 13:17:53 +08:00
230 lines
7.9 KiB
C++
230 lines
7.9 KiB
C++
/*
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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 "SocketHelper.h"
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#ifdef _UDP_SUPPORT
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class CUdpCast : public IUdpCast
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{
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public:
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virtual BOOL Start (LPCTSTR lpszRemoteAddress, USHORT usPort, BOOL bAsyncConnect = TRUE, LPCTSTR lpszBindAddress = nullptr, USHORT usLocalPort = 0);
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virtual BOOL Stop ();
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virtual BOOL Send (const BYTE* pBuffer, int iLength, int iOffset = 0);
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virtual BOOL SendPackets (const WSABUF pBuffers[], int iCount);
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virtual BOOL PauseReceive (BOOL bPause = TRUE);
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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 CONNID GetConnectionID () {return m_dwConnID;}
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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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virtual BOOL GetLocalAddress (TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
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virtual BOOL GetRemoteHost (TCHAR lpszHost[], int& iHostLen, USHORT& usPort);
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virtual BOOL GetPendingDataLength (int& iPending) {iPending = m_iPending; return HasStarted();}
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virtual BOOL IsPauseReceive (BOOL& bPaused) {bPaused = m_bPaused; return HasStarted();}
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virtual BOOL IsConnected () {return m_bConnected;}
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public:
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virtual BOOL IsSecure () {return FALSE;}
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virtual void SetReuseAddressPolicy (EnReuseAddressPolicy enReusePolicy){ENSURE_HAS_STOPPED(); m_enReusePolicy = enReusePolicy;}
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virtual void SetMaxDatagramSize (DWORD dwMaxDatagramSize) {ENSURE_HAS_STOPPED(); m_dwMaxDatagramSize = dwMaxDatagramSize;}
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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 SetCastMode (EnCastMode enCastMode) {ENSURE_HAS_STOPPED(); m_enCastMode = enCastMode;}
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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 GetMaxDatagramSize () {return m_dwMaxDatagramSize;}
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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 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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virtual BOOL GetRemoteAddress(TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort)
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{
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ADDRESS_FAMILY usFamily;
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return ::sockaddr_IN_2_A(m_remoteAddr, usFamily, lpszAddress, iAddressLen, usPort);
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}
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protected:
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virtual EnHandleResult FirePrepareConnect(SOCKET socket)
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{return m_pListener->OnPrepareConnect(this, m_dwConnID, socket);}
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virtual EnHandleResult FireConnect()
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{
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EnHandleResult rs = m_pListener->OnConnect(this, m_dwConnID);
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if(rs != HR_ERROR) rs = FireHandShake();
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return rs;
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}
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virtual EnHandleResult FireHandShake()
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{return m_pListener->OnHandShake(this, m_dwConnID);}
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virtual EnHandleResult FireSend(const BYTE* pData, int iLength)
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{return m_pListener->OnSend(this, m_dwConnID, pData, iLength);}
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virtual EnHandleResult FireReceive(const BYTE* pData, int iLength)
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{return m_pListener->OnReceive(this, m_dwConnID, pData, iLength);}
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virtual EnHandleResult FireReceive(int iLength)
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{return m_pListener->OnReceive(this, m_dwConnID, iLength);}
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virtual EnHandleResult FireClose(EnSocketOperation enOperation, int iErrorCode)
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{return m_pListener->OnClose(this, m_dwConnID, enOperation, iErrorCode);}
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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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protected:
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void SetReserved (PVOID pReserved) {m_pReserved = pReserved;}
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PVOID GetReserved () {return m_pReserved;}
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BOOL GetRemoteHost (LPCSTR* lpszHost, USHORT* pusPort = nullptr);
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private:
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void SetRemoteHost (LPCTSTR lpszHost, USHORT usPort);
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void SetConnected (BOOL bConnected = TRUE) {m_bConnected = bConnected; if(bConnected) m_enState = SS_STARTED;}
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BOOL CheckStarting();
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BOOL CheckStoping(DWORD dwCurrentThreadID);
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BOOL CreateClientSocket(LPCTSTR lpszRemoteAddress, USHORT usPort, LPCTSTR lpszBindAddress, HP_SOCKADDR& bindAddr);
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BOOL BindClientSocket(HP_SOCKADDR& bindAddr);
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BOOL ConnectToGroup(const HP_SOCKADDR& bindAddr);
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BOOL CreateWorkerThread();
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BOOL ProcessNetworkEvent();
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BOOL ReadData();
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BOOL SendData();
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TItem* GetSendBuffer();
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int SendInternal(TItemPtr& itPtr);
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void WaitForWorkerThreadEnd(DWORD dwCurrentThreadID);
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BOOL HandleError(WSANETWORKEVENTS& events);
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BOOL HandleRead(WSANETWORKEVENTS& events);
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BOOL HandleWrite(WSANETWORKEVENTS& events);
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BOOL HandleClose(WSANETWORKEVENTS& events);
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static UINT WINAPI WorkerThreadProc(LPVOID pv);
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public:
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CUdpCast(IUdpCastListener* pListener)
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: m_pListener (pListener)
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, m_lsSend (m_itPool)
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, m_soClient (INVALID_SOCKET)
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, m_evSocket (nullptr)
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, m_dwConnID (0)
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, m_usPort (0)
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, m_hWorker (nullptr)
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, m_dwWorkerID (0)
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, m_bPaused (FALSE)
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, m_iPending (0)
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, m_bConnected (FALSE)
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, m_enLastError (SE_OK)
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, m_enState (SS_STOPPED)
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, m_pExtra (nullptr)
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, m_pReserved (nullptr)
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, m_enReusePolicy (RAP_ADDR_ONLY)
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, m_dwMaxDatagramSize (DEFAULT_UDP_MAX_DATAGRAM_SIZE)
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, m_dwFreeBufferPoolSize(DEFAULT_CLIENT_FREE_BUFFER_POOL_SIZE)
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, m_dwFreeBufferPoolHold(DEFAULT_CLIENT_FREE_BUFFER_POOL_HOLD)
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, m_iMCTtl (1)
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, m_bMCLoop (FALSE)
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, m_enCastMode (CM_MULTICAST)
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, m_castAddr (AF_UNSPEC, TRUE)
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, m_remoteAddr (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 ~CUdpCast()
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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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private:
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CEvt m_evWait;
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IUdpCastListener* m_pListener;
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TClientCloseContext m_ccContext;
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SOCKET m_soClient;
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HANDLE m_evSocket;
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CONNID m_dwConnID;
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EnReuseAddressPolicy m_enReusePolicy;
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DWORD m_dwMaxDatagramSize;
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DWORD m_dwFreeBufferPoolSize;
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DWORD m_dwFreeBufferPoolHold;
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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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HANDLE m_hWorker;
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UINT m_dwWorkerID;
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EnSocketError m_enLastError;
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volatile BOOL m_bConnected;
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volatile EnServiceState m_enState;
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PVOID m_pExtra;
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PVOID m_pReserved;
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HP_SOCKADDR m_castAddr;
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HP_SOCKADDR m_remoteAddr;
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CBufferPtr m_rcBuffer;
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protected:
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CStringA m_strHost;
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USHORT m_usPort;
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CItemPool m_itPool;
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private:
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CSpinGuard m_csState;
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CCriSec m_csSend;
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TItemList m_lsSend;
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CEvt m_evBuffer;
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CEvt m_evWorker;
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CEvt m_evUnpause;
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volatile int m_iPending;
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volatile BOOL m_bPaused;
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};
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#endif
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