HP-Socket/Windows/Src/HPThreadPool.cpp
2024-01-21 01:15:36 +08:00

398 lines
8.4 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.
*/
#include "stdafx.h"
#include "HPThreadPool.h"
#include "Common/WaitFor.h"
LPTSocketTask CreateSocketTaskObj( Fn_SocketTaskProc fnTaskProc,
PVOID pSender, CONNID dwConnID,
LPCBYTE pBuffer, INT iBuffLen, EnTaskBufferType enBuffType,
WPARAM wParam, LPARAM lParam)
{
ASSERT(fnTaskProc != nullptr);
ASSERT(iBuffLen >= 0);
LPTSocketTask pTask = new TSocketTask;
pTask->fn = fnTaskProc;
pTask->sender = pSender;
pTask->connID = dwConnID;
pTask->bufLen = iBuffLen;
pTask->bufType = enBuffType;
pTask->wparam = wParam;
pTask->lparam = lParam;
if(enBuffType != TBT_COPY || !pBuffer)
pTask->buf = pBuffer;
else
{
pTask->buf = MALLOC(BYTE, iBuffLen);
::CopyMemory((LPBYTE)pTask->buf, pBuffer, iBuffLen);
}
return pTask;
}
void DestroySocketTaskObj(LPTSocketTask pTask)
{
if(pTask)
{
if(pTask->bufType != TBT_REFER && pTask->buf)
FREE(pTask->buf);
delete pTask;
}
}
volatile UINT CHPThreadPool::sm_uiNum = MAXUINT;
LPCTSTR CHPThreadPool::POOLED_THREAD_PREFIX = _T("hp-pool-");
BOOL CHPThreadPool::CWorker::Initialize(PVOID pvWorkerParam)
{
ASSERT(pvWorkerParam != nullptr);
m_pthPool = (CHPThreadPool*)pvWorkerParam;
::SetSequenceThreadName(SELF_THREAD, m_pthPool->m_strPrefix, m_pthPool->m_uiSeq);
m_pthPool->FireWorkerThreadStart();
return TRUE;
}
void CHPThreadPool::CWorker::Execute(TTask* pTask, PVOID pvWorkerParam, OVERLAPPED* pOverlapped)
{
ASSERT(pvWorkerParam == m_pthPool);
::InterlockedDecrement(&m_pthPool->m_dwQueueSize);
#if _WIN32_WINNT >= _WIN32_WINNT_WS08
if(m_pthPool->m_enRejectedPolicy == TRP_WAIT_FOR && m_pthPool->m_dwMaxQueueSize != 0)
{
CCriSecLock locallock(m_pthPool->m_csQueue);
m_pthPool->m_cvQueue.WakeUp();
}
#endif
m_pthPool->DoRunTaskProc(pTask->fn, pTask->arg, pTask->freeArg);
TTask::Destruct(pTask);
}
void CHPThreadPool::CWorker::Terminate(PVOID pvWorkerParam)
{
ASSERT(pvWorkerParam == m_pthPool);
m_pthPool->FireWorkerThreadEnd();
}
BOOL CHPThreadPool::Start(DWORD dwThreadCount, DWORD dwMaxQueueSize, EnRejectedPolicy enRejectedPolicy, DWORD dwStackSize)
{
if(!CheckStarting())
return FALSE;
m_dwMaxQueueSize = dwMaxQueueSize;
m_enRejectedPolicy = enRejectedPolicy;
if(dwThreadCount == 0)
dwThreadCount = ::GetDefaultWorkerThreadCount();
FireStartup();
HRESULT hr = m_thPool.Initialize(this, (int)dwThreadCount, dwStackSize);
if(FAILED(hr))
{
::SetLastError(HRESULT_CODE(hr));
EXECUTE_RESTORE_ERROR(Stop());
return FALSE;
}
m_enState = SS_STARTED;
m_evWait.Reset();
return TRUE;
}
BOOL CHPThreadPool::Stop(DWORD dwMaxWait)
{
if(!CheckStoping())
return FALSE;
::WaitWithMessageLoop(15);
#if _WIN32_WINNT >= _WIN32_WINNT_WS08
if(m_enRejectedPolicy == TRP_WAIT_FOR && m_dwMaxQueueSize != 0)
{
CCriSecLock locallock(m_csQueue);
m_cvQueue.WakeUpAll();
}
#endif
if(dwMaxWait == 0)
dwMaxWait = INFINITE;
m_thPool.Shutdown(dwMaxWait);
FireShutdown();
ASSERT(GetQueueSize() == 0);
ASSERT(GetThreadCount() == 0);
Reset();
return TRUE;
}
BOOL CHPThreadPool::Submit(Fn_TaskProc fnTaskProc, PVOID pvArg, DWORD dwMaxWait)
{
return DoSubmit(fnTaskProc, pvArg, FALSE, dwMaxWait);
}
BOOL CHPThreadPool::Submit(LPTSocketTask pTask, DWORD dwMaxWait)
{
return DoSubmit((Fn_TaskProc)pTask->fn, (PVOID)pTask, TRUE, dwMaxWait);
}
BOOL CHPThreadPool::DoSubmit(Fn_TaskProc fnTaskProc, PVOID pvArg, BOOL bFreeArg, DWORD dwMaxWait)
{
EnSubmitResult sr = DirectSubmit(fnTaskProc, pvArg, bFreeArg);
if(sr != SUBMIT_FULL)
return (sr == SUBMIT_OK);
if(m_enRejectedPolicy == TRP_CALL_FAIL)
{
::SetLastError(ERROR_DESTINATION_ELEMENT_FULL);
return FALSE;
}
else if(m_enRejectedPolicy == TRP_WAIT_FOR)
{
return CycleWaitSubmit(fnTaskProc, pvArg, dwMaxWait, bFreeArg);
}
else if(m_enRejectedPolicy == TRP_CALLER_RUN)
{
DoRunTaskProc(fnTaskProc, pvArg, bFreeArg);
}
else
{
ENSURE(FALSE);
::SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
return TRUE;
}
void CHPThreadPool::DoRunTaskProc(Fn_TaskProc fnTaskProc, PVOID pvArg, BOOL bFreeArg)
{
::InterlockedIncrement(&m_dwTaskCount);
fnTaskProc(pvArg);
::InterlockedDecrement(&m_dwTaskCount);
if(bFreeArg)
::DestroySocketTaskObj((LPTSocketTask)pvArg);
}
CHPThreadPool::EnSubmitResult CHPThreadPool::DirectSubmit(Fn_TaskProc fnTaskProc, PVOID pvArg, BOOL bFreeArg)
{
if(!CheckStarted())
return SUBMIT_ERROR;
if(m_dwMaxQueueSize == 0)
::InterlockedIncrement(&m_dwQueueSize);
else
{
for(UINT i = 0; ; i++)
{
DWORD dwQueueSize = m_dwQueueSize;
if(dwQueueSize >= m_dwMaxQueueSize)
return SUBMIT_FULL;
DWORD dwInitialQueueSize = ::InterlockedCompareExchange(&m_dwQueueSize, dwQueueSize + 1, dwQueueSize);
if(dwInitialQueueSize == dwQueueSize)
break;
else if(dwInitialQueueSize == m_dwMaxQueueSize)
return SUBMIT_FULL;
::YieldThread(i);
if(!CheckStarted())
return SUBMIT_ERROR;
}
}
TTask* pTask = TTask::Construct(fnTaskProc, pvArg, bFreeArg);
if(!m_thPool.QueueRequest(pTask))
{
::InterlockedDecrement(&m_dwQueueSize);
TTask::Destruct(pTask);
return SUBMIT_ERROR;
}
return SUBMIT_OK;
}
BOOL CHPThreadPool::CycleWaitSubmit(Fn_TaskProc fnTaskProc, PVOID pvArg, DWORD dwMaxWait, BOOL bFreeArg)
{
ASSERT(m_dwMaxQueueSize != 0);
DWORD dwTime = ::TimeGetTime();
BOOL bInfinite = (dwMaxWait == INFINITE || dwMaxWait == 0);
#if _WIN32_WINNT >= _WIN32_WINNT_WS08
while(TRUE)
{
EnSubmitResult sr = DirectSubmit(fnTaskProc, pvArg, bFreeArg);
if(sr == SUBMIT_OK)
return TRUE;
if(sr == SUBMIT_ERROR)
return FALSE;
CCriSecLock locallock(m_csQueue);
if(m_dwQueueSize < m_dwMaxQueueSize)
continue;
if(bInfinite)
m_cvQueue.Wait(m_csQueue.GetObject());
else
{
DWORD dwNow = ::GetTimeGap32(dwTime);
if(dwNow > dwMaxWait || !m_cvQueue.Wait(m_csQueue.GetObject(), dwMaxWait - dwNow))
{
::SetLastError(ERROR_TIMEOUT);
break;
}
}
}
#else
for(DWORD i = 0; bInfinite || ::GetTimeGap32(dwTime) <= dwMaxWait; i++)
{
((i & 8191) == 8191) ? ::WaitFor(1) : ::SwitchToThread();
EnSubmitResult sr = DirectSubmit(fnTaskProc, pvArg, bFreeArg);
if(sr == SUBMIT_OK)
return TRUE;
else if(sr == SUBMIT_ERROR)
return FALSE;
}
::SetLastError(ERROR_TIMEOUT);
#endif
return FALSE;
}
BOOL CHPThreadPool::AdjustThreadCount(DWORD dwNewThreadCount)
{
if(!CheckStarted())
return FALSE;
if(dwNewThreadCount == 0)
dwNewThreadCount = ::GetDefaultWorkerThreadCount();
HRESULT hr = m_thPool.SetSize(dwNewThreadCount);
if(!SUCCEEDED(hr))
{
::SetLastError(HRESULT_CODE(hr));
return FALSE;
}
return TRUE;
}
BOOL CHPThreadPool::CheckStarting()
{
if(::InterlockedCompareExchange((volatile LONG*)&m_enState, SS_STARTING, SS_STOPPED) != SS_STOPPED)
{
::SetLastError(ERROR_INVALID_STATE);
return FALSE;
}
return TRUE;
}
BOOL CHPThreadPool::CheckStarted()
{
if(m_enState != SS_STARTED)
{
::SetLastError(ERROR_INVALID_STATE);
return FALSE;
}
return TRUE;
}
BOOL CHPThreadPool::CheckStoping()
{
if( ::InterlockedCompareExchange((volatile LONG*)&m_enState, SS_STOPPING, SS_STARTED) != SS_STARTED &&
::InterlockedCompareExchange((volatile LONG*)&m_enState, SS_STOPPING, SS_STARTING) != SS_STARTING)
{
while(m_enState != SS_STOPPED)
::WaitFor(5);
::SetLastError(ERROR_INVALID_STATE);
return FALSE;
}
return TRUE;
}
void CHPThreadPool::Reset(BOOL bSetWaitEvent)
{
m_uiSeq = MAXUINT;
m_dwQueueSize = 0;
m_dwTaskCount = 0;
m_dwMaxQueueSize = 0;
m_enRejectedPolicy = TRP_CALL_FAIL;
m_enState = SS_STOPPED;
if(bSetWaitEvent)
m_evWait.Set();
}
void CHPThreadPool::MakePrefix()
{
UINT uiNumber = ::InterlockedIncrement(&sm_uiNum);
m_strPrefix.Format(_T("%s%u-"), POOLED_THREAD_PREFIX, uiNumber);
}