HP-Socket/Windows/Src/TcpClient.h
2021-03-04 12:03:22 +08:00

254 lines
10 KiB
C++

/*
* Copyright: JessMA Open Source (ldcsaa@gmail.com)
*
* Author : Bruce Liang
* Website : https://github.com/ldcsaa
* Project : https://github.com/ldcsaa/HP-Socket
* Blog : http://www.cnblogs.com/ldcsaa
* Wiki : http://www.oschina.net/p/hp-socket
* QQ Group : 44636872, 75375912
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "SocketHelper.h"
class CTcpClient : public ITcpClient
{
public:
virtual BOOL Start (LPCTSTR lpszRemoteAddress, USHORT usPort, BOOL bAsyncConnect = TRUE, LPCTSTR lpszBindAddress = nullptr, USHORT usLocalPort = 0);
virtual BOOL Stop ();
virtual BOOL Send (const BYTE* pBuffer, int iLength, int iOffset = 0);
virtual BOOL SendSmallFile (LPCTSTR lpszFileName, const LPWSABUF pHead = nullptr, const LPWSABUF pTail = nullptr);
virtual BOOL SendPackets (const WSABUF pBuffers[], int iCount) {return DoSendPackets(pBuffers, iCount);}
virtual BOOL PauseReceive (BOOL bPause = TRUE);
virtual BOOL Wait (DWORD dwMilliseconds = INFINITE) {return m_evWait.Wait(dwMilliseconds);}
virtual BOOL HasStarted () {return m_enState == SS_STARTED || m_enState == SS_STARTING;}
virtual EnServiceState GetState () {return m_enState;}
virtual CONNID GetConnectionID () {return m_dwConnID;}
virtual EnSocketError GetLastError () {return m_enLastError;}
virtual LPCTSTR GetLastErrorDesc () {return ::GetSocketErrorDesc(m_enLastError);}
virtual BOOL GetLocalAddress (TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
virtual BOOL GetRemoteHost (TCHAR lpszHost[], int& iHostLen, USHORT& usPort);
virtual BOOL GetPendingDataLength (int& iPending) {iPending = m_iPending; return HasStarted();}
virtual BOOL IsPauseReceive (BOOL& bPaused) {bPaused = m_bPaused; return HasStarted();}
virtual BOOL IsConnected () {return m_bConnected;}
#ifdef _SSL_SUPPORT
virtual BOOL SetupSSLContext (int iVerifyMode = SSL_VM_NONE, LPCTSTR lpszPemCertFile = nullptr, LPCTSTR lpszPemKeyFile = nullptr, LPCTSTR lpszKeyPassword = nullptr, LPCTSTR lpszCAPemCertFileOrPath = nullptr) {return FALSE;}
virtual BOOL SetupSSLContextByMemory(int iVerifyMode = SSL_VM_NONE, LPCSTR lpszPemCert = nullptr, LPCSTR lpszPemKey = nullptr, LPCSTR lpszKeyPassword = nullptr, LPCSTR lpszCAPemCert = nullptr) {return FALSE;}
virtual void CleanupSSLContext () {}
virtual BOOL StartSSLHandShake () {return FALSE;}
virtual void SetSSLAutoHandShake(BOOL bAutoHandShake) {}
virtual BOOL IsSSLAutoHandShake () {return FALSE;}
virtual void SetSSLCipherList (LPCTSTR lpszCipherList){}
virtual LPCTSTR GetSSLCipherList() {return nullptr;}
virtual BOOL GetSSLSessionInfo(EnSSLSessionInfo enInfo, LPVOID* lppInfo) {return FALSE;}
protected:
virtual BOOL StartSSLHandShakeNoCheck() {return FALSE;}
#endif
public:
virtual BOOL IsSecure () {return FALSE;}
virtual void SetReuseAddressPolicy (EnReuseAddressPolicy enReusePolicy){ENSURE_HAS_STOPPED(); m_enReusePolicy = enReusePolicy;}
virtual void SetSocketBufferSize (DWORD dwSocketBufferSize) {ENSURE_HAS_STOPPED(); m_dwSocketBufferSize = dwSocketBufferSize;}
virtual void SetKeepAliveTime (DWORD dwKeepAliveTime) {ENSURE_HAS_STOPPED(); m_dwKeepAliveTime = dwKeepAliveTime;}
virtual void SetKeepAliveInterval (DWORD dwKeepAliveInterval) {ENSURE_HAS_STOPPED(); m_dwKeepAliveInterval = dwKeepAliveInterval;}
virtual void SetFreeBufferPoolSize (DWORD dwFreeBufferPoolSize) {ENSURE_HAS_STOPPED(); m_dwFreeBufferPoolSize = dwFreeBufferPoolSize;}
virtual void SetFreeBufferPoolHold (DWORD dwFreeBufferPoolHold) {ENSURE_HAS_STOPPED(); m_dwFreeBufferPoolHold = dwFreeBufferPoolHold;}
virtual void SetExtra (PVOID pExtra) {m_pExtra = pExtra;}
virtual EnReuseAddressPolicy GetReuseAddressPolicy () {return m_enReusePolicy;}
virtual DWORD GetSocketBufferSize () {return m_dwSocketBufferSize;}
virtual DWORD GetKeepAliveTime () {return m_dwKeepAliveTime;}
virtual DWORD GetKeepAliveInterval () {return m_dwKeepAliveInterval;}
virtual DWORD GetFreeBufferPoolSize () {return m_dwFreeBufferPoolSize;}
virtual DWORD GetFreeBufferPoolHold () {return m_dwFreeBufferPoolHold;}
virtual PVOID GetExtra () {return m_pExtra;}
protected:
virtual EnHandleResult FirePrepareConnect(SOCKET socket)
{return DoFirePrepareConnect(this, socket);}
virtual EnHandleResult FireConnect()
{
EnHandleResult rs = DoFireConnect(this);
if(rs != HR_ERROR) rs = FireHandShake();
return rs;
}
virtual EnHandleResult FireHandShake()
{return DoFireHandShake(this);}
virtual EnHandleResult FireSend(const BYTE* pData, int iLength)
{return DoFireSend(this, pData, iLength);}
virtual EnHandleResult FireReceive(const BYTE* pData, int iLength)
{return DoFireReceive(this, pData, iLength);}
virtual EnHandleResult FireReceive(int iLength)
{return DoFireReceive(this, iLength);}
virtual EnHandleResult FireClose(EnSocketOperation enOperation, int iErrorCode)
{return DoFireClose(this, enOperation, iErrorCode);}
virtual EnHandleResult DoFirePrepareConnect(ITcpClient* pSender, SOCKET socket)
{return m_pListener->OnPrepareConnect(pSender, pSender->GetConnectionID(), socket);}
virtual EnHandleResult DoFireConnect(ITcpClient* pSender)
{return m_pListener->OnConnect(pSender, pSender->GetConnectionID());}
virtual EnHandleResult DoFireHandShake(ITcpClient* pSender)
{return m_pListener->OnHandShake(pSender, pSender->GetConnectionID());}
virtual EnHandleResult DoFireSend(ITcpClient* pSender, const BYTE* pData, int iLength)
{return m_pListener->OnSend(pSender, pSender->GetConnectionID(), pData, iLength);}
virtual EnHandleResult DoFireReceive(ITcpClient* pSender, const BYTE* pData, int iLength)
{return m_pListener->OnReceive(pSender, pSender->GetConnectionID(), pData, iLength);}
virtual EnHandleResult DoFireReceive(ITcpClient* pSender, int iLength)
{return m_pListener->OnReceive(pSender, pSender->GetConnectionID(), iLength);}
virtual EnHandleResult DoFireClose(ITcpClient* pSender, EnSocketOperation enOperation, int iErrorCode)
{return m_pListener->OnClose(pSender, pSender->GetConnectionID(), enOperation, iErrorCode);}
void SetLastError(EnSocketError code, LPCSTR func, int ec);
virtual BOOL CheckParams();
virtual void PrepareStart();
virtual void Reset();
virtual BOOL BeforeUnpause() {return TRUE;}
virtual void OnWorkerThreadStart(THR_ID dwThreadID) {}
virtual void OnWorkerThreadEnd(THR_ID dwThreadID) {}
BOOL DoSendPackets(const WSABUF pBuffers[], int iCount);
static BOOL DoSendPackets(CTcpClient* pClient, const WSABUF pBuffers[], int iCount)
{return pClient->DoSendPackets(pBuffers, iCount);}
protected:
BOOL IsPaused () {return m_bPaused;}
void SetReserved (PVOID pReserved) {m_pReserved = pReserved;}
PVOID GetReserved () {return m_pReserved;}
BOOL GetRemoteHost (LPCSTR* lpszHost, USHORT* pusPort = nullptr);
private:
void SetRemoteHost (LPCTSTR lpszHost, USHORT usPort);
void SetConnected (BOOL bConnected = TRUE) {m_bConnected = bConnected; if(bConnected) m_enState = SS_STARTED;}
BOOL CheckStarting();
BOOL CheckStoping(DWORD dwCurrentThreadID);
BOOL CreateClientSocket(LPCTSTR lpszRemoteAddress, HP_SOCKADDR& addrRemote, USHORT usPort, LPCTSTR lpszBindAddress, HP_SOCKADDR& addrBind);
BOOL BindClientSocket(const HP_SOCKADDR& addrBind, const HP_SOCKADDR& addrRemote, USHORT usLocalPort);
BOOL ConnectToServer(const HP_SOCKADDR& addrRemote, BOOL bAsyncConnect);
BOOL CreateWorkerThread();
BOOL ProcessNetworkEvent();
BOOL ReadData();
BOOL SendData();
BOOL DoSendData(TItem* pItem, BOOL& bBlocked);
TItem* GetSendBuffer();
int SendInternal(const WSABUF pBuffers[], int iCount);
void WaitForWorkerThreadEnd(DWORD dwCurrentThreadID);
BOOL HandleError (WSANETWORKEVENTS& events);
BOOL HandleRead (WSANETWORKEVENTS& events);
BOOL HandleWrite (WSANETWORKEVENTS& events);
BOOL HandleConnect (WSANETWORKEVENTS& events);
BOOL HandleClose (WSANETWORKEVENTS& events);
static UINT WINAPI WorkerThreadProc(LPVOID pv);
public:
CTcpClient(ITcpClientListener* pListener)
: m_pListener (pListener)
, m_lsSend (m_itPool)
, m_soClient (INVALID_SOCKET)
, m_evSocket (nullptr)
, m_dwConnID (0)
, m_usPort (0)
, m_hWorker (nullptr)
, m_dwWorkerID (0)
, m_bPaused (FALSE)
, m_iPending (0)
, m_bConnected (FALSE)
, m_enLastError (SE_OK)
, m_enState (SS_STOPPED)
, m_pExtra (nullptr)
, m_pReserved (nullptr)
, m_enReusePolicy (RAP_ADDR_ONLY)
, m_dwSocketBufferSize (DEFAULT_TCP_SOCKET_BUFFER_SIZE)
, m_dwFreeBufferPoolSize(DEFAULT_CLIENT_FREE_BUFFER_POOL_SIZE)
, m_dwFreeBufferPoolHold(DEFAULT_CLIENT_FREE_BUFFER_POOL_HOLD)
, m_dwKeepAliveTime (DEFALUT_TCP_KEEPALIVE_TIME)
, m_dwKeepAliveInterval (DEFALUT_TCP_KEEPALIVE_INTERVAL)
, m_evWait (TRUE, TRUE)
{
ASSERT(sm_wsSocket.IsValid());
ASSERT(m_pListener);
}
virtual ~CTcpClient()
{
ENSURE_STOP();
}
private:
static const CInitSocket sm_wsSocket;
private:
CEvt m_evWait;
ITcpClientListener* m_pListener;
TClientCloseContext m_ccContext;
SOCKET m_soClient;
HANDLE m_evSocket;
CONNID m_dwConnID;
EnReuseAddressPolicy m_enReusePolicy;
DWORD m_dwSocketBufferSize;
DWORD m_dwFreeBufferPoolSize;
DWORD m_dwFreeBufferPoolHold;
DWORD m_dwKeepAliveTime;
DWORD m_dwKeepAliveInterval;
HANDLE m_hWorker;
UINT m_dwWorkerID;
EnSocketError m_enLastError;
volatile BOOL m_bConnected;
volatile EnServiceState m_enState;
PVOID m_pExtra;
PVOID m_pReserved;
CBufferPtr m_rcBuffer;
protected:
CStringA m_strHost;
USHORT m_usPort;
CItemPool m_itPool;
private:
CSpinGuard m_csState;
CCriSec m_csSend;
TItemList m_lsSend;
CEvt m_evBuffer;
CEvt m_evWorker;
CEvt m_evUnpause;
volatile int m_iPending;
volatile BOOL m_bPaused;
};