HP-Socket/Windows/Src/UdpServer.h
2022-03-03 23:04:51 +08:00

331 lines
15 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 "MiscHelper.h"
#include "Common/Event.h"
#include "Common/RWLock.h"
#include "Common/STLHelper.h"
#include "Common/RingBuffer.h"
#include "Common/PrivateHeap.h"
#ifdef _UDP_SUPPORT
class CUdpServer : public IUdpServer
{
public:
virtual BOOL Start (LPCTSTR lpszBindAddress, USHORT usPort);
virtual BOOL Stop ();
virtual BOOL Send (CONNID dwConnID, const BYTE* pBuffer, int iLength, int iOffset = 0);
virtual BOOL SendPackets (CONNID dwConnID, const WSABUF pBuffers[], int iCount);
virtual BOOL PauseReceive (CONNID dwConnID, 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 BOOL Disconnect (CONNID dwConnID, BOOL bForce = TRUE);
virtual BOOL DisconnectLongConnections (DWORD dwPeriod, BOOL bForce = TRUE);
virtual BOOL DisconnectSilenceConnections(DWORD dwPeriod, BOOL bForce = TRUE);
virtual BOOL GetListenAddress (TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
virtual BOOL GetLocalAddress (CONNID dwConnID, TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
virtual BOOL GetRemoteAddress (CONNID dwConnID, TCHAR lpszAddress[], int& iAddressLen, USHORT& usPort);
virtual BOOL IsConnected (CONNID dwConnID);
virtual BOOL IsPauseReceive (CONNID dwConnID, BOOL& bPaused);
virtual BOOL GetPendingDataLength (CONNID dwConnID, int& iPending);
virtual DWORD GetConnectionCount ();
virtual BOOL GetAllConnectionIDs (CONNID pIDs[], DWORD& dwCount);
virtual BOOL GetConnectPeriod (CONNID dwConnID, DWORD& dwPeriod);
virtual BOOL GetSilencePeriod (CONNID dwConnID, DWORD& dwPeriod);
virtual EnSocketError GetLastError () {return m_enLastError;}
virtual LPCTSTR GetLastErrorDesc () {return ::GetSocketErrorDesc(m_enLastError);}
public:
virtual BOOL IsSecure () {return FALSE;}
virtual BOOL SetConnectionExtra(CONNID dwConnID, PVOID pExtra);
virtual BOOL GetConnectionExtra(CONNID dwConnID, PVOID* ppExtra);
virtual void SetReuseAddressPolicy (EnReuseAddressPolicy enReusePolicy) {ENSURE_HAS_STOPPED(); m_enReusePolicy = enReusePolicy;}
virtual void SetSendPolicy (EnSendPolicy enSendPolicy) {ENSURE_HAS_STOPPED(); m_enSendPolicy = enSendPolicy;}
virtual void SetOnSendSyncPolicy (EnOnSendSyncPolicy enOnSendSyncPolicy) {ENSURE_HAS_STOPPED(); m_enOnSendSyncPolicy = enOnSendSyncPolicy;}
virtual void SetMaxConnectionCount (DWORD dwMaxConnectionCount) {ENSURE_HAS_STOPPED(); m_dwMaxConnectionCount = dwMaxConnectionCount;}
virtual void SetWorkerThreadCount (DWORD dwWorkerThreadCount) {ENSURE_HAS_STOPPED(); m_dwWorkerThreadCount = dwWorkerThreadCount;}
virtual void SetFreeSocketObjLockTime (DWORD dwFreeSocketObjLockTime) {ENSURE_HAS_STOPPED(); m_dwFreeSocketObjLockTime = dwFreeSocketObjLockTime;}
virtual void SetFreeSocketObjPool (DWORD dwFreeSocketObjPool) {ENSURE_HAS_STOPPED(); m_dwFreeSocketObjPool = dwFreeSocketObjPool;}
virtual void SetFreeBufferObjPool (DWORD dwFreeBufferObjPool) {ENSURE_HAS_STOPPED(); m_dwFreeBufferObjPool = dwFreeBufferObjPool;}
virtual void SetFreeSocketObjHold (DWORD dwFreeSocketObjHold) {ENSURE_HAS_STOPPED(); m_dwFreeSocketObjHold = dwFreeSocketObjHold;}
virtual void SetFreeBufferObjHold (DWORD dwFreeBufferObjHold) {ENSURE_HAS_STOPPED(); m_dwFreeBufferObjHold = dwFreeBufferObjHold;}
virtual void SetMaxDatagramSize (DWORD dwMaxDatagramSize) {ENSURE_HAS_STOPPED(); m_dwMaxDatagramSize = dwMaxDatagramSize;}
virtual void SetPostReceiveCount (DWORD dwPostReceiveCount) {ENSURE_HAS_STOPPED(); m_dwPostReceiveCount = dwPostReceiveCount;}
virtual void SetDetectAttempts (DWORD dwDetectAttempts) {ENSURE_HAS_STOPPED(); m_dwDetectAttempts = dwDetectAttempts;}
virtual void SetDetectInterval (DWORD dwDetectInterval) {ENSURE_HAS_STOPPED(); m_dwDetectInterval = dwDetectInterval;}
virtual void SetMarkSilence (BOOL bMarkSilence) {ENSURE_HAS_STOPPED(); m_bMarkSilence = bMarkSilence;}
virtual EnReuseAddressPolicy GetReuseAddressPolicy () {return m_enReusePolicy;}
virtual EnSendPolicy GetSendPolicy () {return m_enSendPolicy;}
virtual EnOnSendSyncPolicy GetOnSendSyncPolicy () {return m_enOnSendSyncPolicy;}
virtual DWORD GetMaxConnectionCount () {return m_dwMaxConnectionCount;}
virtual DWORD GetWorkerThreadCount () {return m_dwWorkerThreadCount;}
virtual DWORD GetFreeSocketObjLockTime () {return m_dwFreeSocketObjLockTime;}
virtual DWORD GetFreeSocketObjPool () {return m_dwFreeSocketObjPool;}
virtual DWORD GetFreeBufferObjPool () {return m_dwFreeBufferObjPool;}
virtual DWORD GetFreeSocketObjHold () {return m_dwFreeSocketObjHold;}
virtual DWORD GetFreeBufferObjHold () {return m_dwFreeBufferObjHold;}
virtual DWORD GetMaxDatagramSize () {return m_dwMaxDatagramSize;}
virtual DWORD GetPostReceiveCount () {return m_dwPostReceiveCount;}
virtual DWORD GetDetectAttempts () {return m_dwDetectAttempts;}
virtual DWORD GetDetectInterval () {return m_dwDetectInterval;}
virtual BOOL IsMarkSilence () {return m_bMarkSilence;}
protected:
virtual EnHandleResult FirePrepareListen(SOCKET soListen)
{return DoFirePrepareListen(soListen);}
virtual EnHandleResult FireAccept(TUdpSocketObj* pSocketObj)
{
EnHandleResult rs = DoFireAccept(pSocketObj);
if(rs != HR_ERROR) rs = FireHandShake(pSocketObj);
return rs;
}
virtual EnHandleResult FireHandShake(TUdpSocketObj* pSocketObj)
{return DoFireHandShake(pSocketObj);}
virtual EnHandleResult FireReceive(TUdpSocketObj* pSocketObj, const BYTE* pData, int iLength)
{return DoFireReceive(pSocketObj, pData, iLength);}
virtual EnHandleResult FireReceive(TUdpSocketObj* pSocketObj, int iLength)
{return DoFireReceive(pSocketObj, iLength);}
virtual EnHandleResult FireSend(TUdpSocketObj* pSocketObj, const BYTE* pData, int iLength)
{return DoFireSend(pSocketObj, pData, iLength);}
virtual EnHandleResult FireClose(TUdpSocketObj* pSocketObj, EnSocketOperation enOperation, int iErrorCode)
{return DoFireClose(pSocketObj, enOperation, iErrorCode);}
virtual EnHandleResult FireShutdown()
{return DoFireShutdown();}
virtual EnHandleResult DoFirePrepareListen(SOCKET soListen)
{return m_pListener->OnPrepareListen(this, soListen);}
virtual EnHandleResult DoFireAccept(TUdpSocketObj* pSocketObj)
{return m_pListener->OnAccept(this, pSocketObj->connID, (UINT_PTR)(&pSocketObj->remoteAddr));}
virtual EnHandleResult DoFireHandShake(TUdpSocketObj* pSocketObj)
{return m_pListener->OnHandShake(this, pSocketObj->connID);}
virtual EnHandleResult DoFireReceive(TUdpSocketObj* pSocketObj, const BYTE* pData, int iLength)
{return m_pListener->OnReceive(this, pSocketObj->connID, pData, iLength);}
virtual EnHandleResult DoFireReceive(TUdpSocketObj* pSocketObj, int iLength)
{return m_pListener->OnReceive(this, pSocketObj->connID, iLength);}
virtual EnHandleResult DoFireSend(TUdpSocketObj* pSocketObj, const BYTE* pData, int iLength)
{return m_pListener->OnSend(this, pSocketObj->connID, pData, iLength);}
virtual EnHandleResult DoFireClose(TUdpSocketObj* pSocketObj, EnSocketOperation enOperation, int iErrorCode)
{return m_pListener->OnClose(this, pSocketObj->connID, enOperation, iErrorCode);}
virtual EnHandleResult DoFireShutdown()
{return m_pListener->OnShutdown(this);}
void SetLastError(EnSocketError code, LPCSTR func, int ec);
virtual BOOL CheckParams();
virtual void PrepareStart();
virtual void Reset();
virtual void OnWorkerThreadStart(THR_ID dwThreadID) {}
virtual void OnWorkerThreadEnd(THR_ID dwThreadID) {}
TUdpSocketObj* FindSocketObj(CONNID dwConnID);
int SendInternal(TUdpSocketObj* pSocketObj, TUdpBufferObjPtr& bufPtr);
BOOL DoSend(TUdpSocketObj* pSocketObj, const BYTE* pBuffer, int iLength, int iOffset = 0);
private:
EnHandleResult TriggerFireAccept(TUdpSocketObj* pSocketObj);
EnHandleResult TriggerFireReceive(TUdpSocketObj* pSocketObj, TUdpBufferObj* pBufferObj);
EnHandleResult TriggerFireSend(TUdpSocketObj* pSocketObj, TUdpBufferObj* pBufferObj);
EnHandleResult TriggerFireClose(TUdpSocketObj* pSocketObj, EnSocketOperation enOperation, int iErrorCode);
protected:
BOOL SetConnectionExtra(TUdpSocketObj* pSocketObj, PVOID pExtra);
BOOL GetConnectionExtra(TUdpSocketObj* pSocketObj, PVOID* ppExtra);
BOOL SetConnectionReserved(CONNID dwConnID, PVOID pReserved);
BOOL GetConnectionReserved(CONNID dwConnID, PVOID* ppReserved);
BOOL SetConnectionReserved(TUdpSocketObj* pSocketObj, PVOID pReserved);
BOOL GetConnectionReserved(TUdpSocketObj* pSocketObj, PVOID* ppReserved);
BOOL SetConnectionReserved2(CONNID dwConnID, PVOID pReserved2);
BOOL GetConnectionReserved2(CONNID dwConnID, PVOID* ppReserved2);
BOOL SetConnectionReserved2(TUdpSocketObj* pSocketObj, PVOID pReserved2);
BOOL GetConnectionReserved2(TUdpSocketObj* pSocketObj, PVOID* ppReserved2);
private:
friend void ContinueReceiveFrom<>(CUdpServer* pThis, TUdpBufferObj* pBufferObj);
static UINT WINAPI WorkerThreadProc(LPVOID pv);
static void WINAPI DetectConnectionProc(LPVOID pv, BOOLEAN bTimerFired);
private:
BOOL CheckStarting();
BOOL CheckStoping();
BOOL CreateListenSocket(LPCTSTR lpszBindAddress, USHORT usPort);
BOOL CreateCompletePort();
BOOL CreateWorkerThreads();
BOOL StartAccept();
void SendCloseNotify();
void CloseListenSocket();
void WaitForPostReceiveRelease();
void DisconnectClientSocket();
void WaitForClientSocketClose();
void ReleaseClientSocket();
void ReleaseFreeSocket();
void ReleaseFreeBuffer();
void WaitForWorkerThreadEnd();
void CloseCompletePort();
TUdpBufferObj* GetFreeBufferObj(int iLen = -1);
TUdpSocketObj* GetFreeSocketObj(CONNID dwConnID);
void AddFreeBufferObj(TUdpBufferObj* pBufferObj);
void AddFreeSocketObj(CONNID dwConnID, EnSocketCloseFlag enFlag = SCF_NONE, EnSocketOperation enOperation = SO_UNKNOWN, int iErrorCode = 0, BOOL bNotify = TRUE);
void AddFreeSocketObj(TUdpSocketObj* pSocketObj, EnSocketCloseFlag enFlag = SCF_NONE, EnSocketOperation enOperation = SO_UNKNOWN, int iErrorCode = 0, BOOL bNotify = TRUE);
TUdpSocketObj* CreateSocketObj();
void DeleteSocketObj(TUdpSocketObj* pSocketObj);
BOOL InvalidSocketObj(TUdpSocketObj* pSocketObj);
void ReleaseGCSocketObj(BOOL bForce = FALSE);
void AddClientSocketObj(CONNID dwConnID, TUdpSocketObj* pSocketObj, const HP_SOCKADDR& remoteAddr);
void CloseClientSocketObj(TUdpSocketObj* pSocketObj, EnSocketCloseFlag enFlag = SCF_NONE, EnSocketOperation enOperation = SO_UNKNOWN, int iErrorCode = 0, BOOL bNotify = TRUE);
CONNID FindConnectionID(const HP_SOCKADDR* pAddr);
private:
EnIocpAction CheckIocpCommand(OVERLAPPED* pOverlapped, DWORD dwBytes, ULONG_PTR ulCompKey);
void ForceDisconnect(CONNID dwConnID, BOOL bNotify = FALSE);
void HandleIo (CONNID dwConnID, TUdpBufferObj* pBufferObj, DWORD dwBytes, DWORD dwErrorCode);
void HandleError (CONNID dwConnID, TUdpBufferObj* pBufferObj, DWORD dwErrorCode);
void HandleZeroBytes(CONNID dwConnID, TUdpBufferObj* pBufferObj);
CONNID HandleAccept (TUdpBufferObj* pBufferObj);
void HandleSend (CONNID dwConnID, TUdpBufferObj* pBufferObj);
void HandleReceive (CONNID dwConnID, TUdpBufferObj* pBufferObj);
void ProcessReceive (CONNID dwConnID, TUdpBufferObj* pBufferObj);
void ProcessReceiveBufferObj(TUdpBufferObj* pBufferObj);
int SendPack (TUdpSocketObj* pSocketObj, TUdpBufferObjPtr& bufPtr);
int SendSafe (TUdpSocketObj* pSocketObj, TUdpBufferObjPtr& bufPtr);
int CatAndPost (TUdpSocketObj* pSocketObj, TUdpBufferObjPtr& bufPtr);
int SendDirect (TUdpSocketObj* pSocketObj, TUdpBufferObjPtr& bufPtr);
int DoReceive (TUdpBufferObj* pBufferObj);
int DoSend (CONNID dwConnID);
int DoSendPack (TUdpSocketObj* pSocketObj);
int DoSendSafe (TUdpSocketObj* pSocketObj);
int SendItem (TUdpSocketObj* pSocketObj);
BOOL SendDetectPackage (CONNID dwConnID, TUdpSocketObj* pSocketObj);
BOOL IsNeedDetectConnection () {return m_dwDetectAttempts > 0 && m_dwDetectInterval > 0;}
SOCKET GetListenSocket () {return m_soListen;}
public:
CUdpServer(IUdpServerListener* pListener)
: m_pListener (pListener)
, m_hCompletePort (nullptr)
, m_soListen (INVALID_SOCKET)
, m_iRemainPostReceives (0)
, m_enLastError (SE_OK)
, m_enState (SS_STOPPED)
, m_usFamily (AF_UNSPEC)
, m_enSendPolicy (SP_PACK)
, m_enOnSendSyncPolicy (OSSP_NONE)
, m_enReusePolicy (RAP_ADDR_ONLY)
, m_dwMaxConnectionCount (DEFAULT_CONNECTION_COUNT)
, m_dwWorkerThreadCount (DEFAULT_WORKER_THREAD_COUNT)
, m_dwFreeSocketObjLockTime (DEFAULT_FREE_SOCKETOBJ_LOCK_TIME)
, m_dwFreeSocketObjPool (DEFAULT_FREE_SOCKETOBJ_POOL)
, m_dwFreeBufferObjPool (DEFAULT_FREE_BUFFEROBJ_POOL)
, m_dwFreeSocketObjHold (DEFAULT_FREE_SOCKETOBJ_HOLD)
, m_dwFreeBufferObjHold (DEFAULT_FREE_BUFFEROBJ_HOLD)
, m_dwMaxDatagramSize (DEFAULT_UDP_MAX_DATAGRAM_SIZE)
, m_dwPostReceiveCount (DEFAULT_UDP_POST_RECEIVE_COUNT)
, m_dwDetectAttempts (DEFAULT_UDP_DETECT_ATTEMPTS)
, m_dwDetectInterval (DEFAULT_UDP_DETECT_INTERVAL)
, m_bMarkSilence (TRUE)
, m_evWait (TRUE, TRUE)
{
ASSERT(sm_wsSocket.IsValid());
ASSERT(m_pListener);
}
virtual ~CUdpServer()
{
ENSURE_STOP();
}
private:
EnReuseAddressPolicy m_enReusePolicy;
EnSendPolicy m_enSendPolicy;
EnOnSendSyncPolicy m_enOnSendSyncPolicy;
DWORD m_dwMaxConnectionCount;
DWORD m_dwWorkerThreadCount;
DWORD m_dwFreeSocketObjLockTime;
DWORD m_dwFreeSocketObjPool;
DWORD m_dwFreeBufferObjPool;
DWORD m_dwFreeSocketObjHold;
DWORD m_dwFreeBufferObjHold;
DWORD m_dwMaxDatagramSize;
DWORD m_dwPostReceiveCount;
DWORD m_dwDetectAttempts;
DWORD m_dwDetectInterval;
BOOL m_bMarkSilence;
protected:
CUdpBufferObjPool m_bfObjPool;
private:
static const CInitSocket sm_wsSocket;
CEvt m_evWait;
ADDRESS_FAMILY m_usFamily;
IUdpServerListener* m_pListener;
SOCKET m_soListen;
HANDLE m_hCompletePort;
EnServiceState m_enState;
EnSocketError m_enLastError;
vector<HANDLE> m_vtWorkerThreads;
CPrivateHeap m_phSocket;
CSpinGuard m_csState;
CCriSec m_csAccept;
CTimerQueue m_tqDetect;
TUdpSocketObjPtrPool m_bfActiveSockets;
CSimpleRWLock m_csClientSocket;
TSockAddrMap m_mpClientAddr;
TUdpSocketObjPtrList m_lsFreeSocket;
TUdpSocketObjPtrQueue m_lsGCSocket;
volatile long m_iRemainPostReceives;
};
#endif