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MySockTaskPool.cpp
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309 lines (294 loc) · 6.66 KB
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/*************************************************************************
> File Name: MySockTaskPool.cpp
> Author: huangyun
> Mail: 895175589@qq.com
> Created Time: Sat 08 Aug 2015 02:31:39 AM
************************************************************************/
#include "MySockTaskPool.h"
#include "MySockTask.h"
#include "MyLock.h"
#include <queue>
#include <deque>
#include <set>
#include "errno.h"
#include "MySockTaskManager.h"
#include <climits>
namespace MyNameSpace
{
class TaskQueue
{
public:
void addTask(MySockTask *task)
{
MyScopeLock scopeLock(mLock);
mTaskQueue.push(task);
}
virtual void add(MySockTask *task) = 0;
void checkQueue()
{
{
MyScopeLock scopeLock(mLock);
while(!mTaskQueue.empty())
{
MySockTask *task = mTaskQueue.front();
mTaskQueueTmp.push(task);
mTaskQueue.pop();
}
}
while(!mTaskQueueTmp.empty())
{
MySockTask *task = mTaskQueueTmp.front();
add(task);
mTaskQueueTmp.pop();
}
}
private:
MyLock mLock;
std::queue<MySockTask*, std::deque<MySockTask*> > mTaskQueue;
std::queue<MySockTask*, std::deque<MySockTask*> > mTaskQueueTmp;
};
class MyIoThread : public MyThread, public TaskQueue
{
public:
MyIoThread(MySockTaskPool *pool, bool j = true) : MyThread(j), mPool(pool)
{
epfd = -1;
}
~MyIoThread()
{
if (epfd > 0)
{
close(epfd);
}
}
void run();
void add(MySockTask *task)
{
epoll_event ev;
ev.events = EPOLLIN|EPOLLOUT|EPOLLPRI|EPOLLERR; //EPOLLOUT在此处设置可能有busy loop现象，但是如果不设置会导致后面频繁设置EPOLLOUT，性能未必高，加上run每次有等待时间，所以还是在此处加上
ev.data.ptr = task;
task->addEpollEvent(epfd, ev);
taskSet.insert(task);
}
void remove(MySockTask *task)
{
epoll_event ev;
ev.events = EPOLLIN|EPOLLOUT|EPOLLPRI|EPOLLERR;
task->delEpollEvent(epfd, ev);
taskSet.erase(task);
}
int getTaskCount()
{
return taskSet.size();
}
bool init()
{
MyThread::init();
int maxCount = mPool->getMaxCoonPerIo();
epfd = epoll_create(maxCount);
if (epfd < 0)
{
std::cerr<<__FUNCTION__<<":"<<__LINE__<<" MyIoThread epoll create failed! "<< std::endl;
return false;
}
epev.resize(maxCount);
return true;
}
private:
MySockTaskPool *mPool;
int epfd;
std::vector<epoll_event> epev;
std::set<MySockTask *> taskSet;
};
void MyIoThread::run()
{
std::set<MySockTask *> taskWillDel;
while(!isFini())
{
checkQueue();
int retCode = epoll_wait(epfd, &epev[0], taskSet.size()/*常数级*/, 50/*ms*/);
for (int i = 0; i < retCode; ++i)
{
if (epev[i].events&EPOLLIN || epev[i].events&EPOLLPRI)
{
MySockTask *task = static_cast<MySockTask*>(epev[i].data.ptr);
int len = task->rcvBuffer();
if (len < 0)
{
taskWillDel.insert(task);
}
else if (len == 0)
{
std::cout<<"client close"<<std::endl;
taskWillDel.insert(task);
}
int getMsgRet = task->getMsg();
if (getMsgRet < 0)
{
taskWillDel.insert(task);
}
}
else if (epev[i].events&EPOLLOUT)
{
MySockTask *task = static_cast<MySockTask*>(epev[i].data.ptr);
int len = task->syncSendBuf();
if (len < 0)
{
taskWillDel.insert(task);
}
}
else if (epev[i].events&EPOLLERR)
{
MySockTask *task = static_cast<MySockTask*>(epev[i].data.ptr);
taskWillDel.insert(task);
}
}
if (!taskWillDel.empty())
{
std::cout<<"delete client size:"<<taskWillDel.size()<<std::endl;
std::set<MySockTask *>::iterator iter = taskWillDel.begin();
for (; iter != taskWillDel.end(); ++iter)
{
mPool->addRecycleThread(*iter);
remove(*iter);
}
taskWillDel.clear();
}
usleep(5000);
}
}
class MyRecycleThread : public MyThread, public TaskQueue
{
public:
MyRecycleThread(MySockTaskPool *pool, bool j = true) : MyThread(j), mPool(pool)
{
}
void run();
void add(MySockTask *task)
{
taskSet.insert(task);
}
void remove(MySockTask *task)
{
taskSet.erase(task);
}
private:
MySockTaskPool *mPool;
std::set<MySockTask *> taskSet;
};
void MyRecycleThread::run()
{
while(!isFini())
{
checkQueue();
if (!taskSet.empty())
{
std::set<MySockTask *>::iterator iter = taskSet.begin();
for (; iter != taskSet.end(); ++iter)
{
if (NULL != *iter)
{
MySockTaskManager::getInstance().removeTask(*iter);
delete *iter;
}
}
taskSet.clear();
}
usleep(10*1000);
}
}
MySockTaskPool::MySockTaskPool(int ioCount, int maxConnPerIo):mIoCount(ioCount), mMaxConnPerIo(maxConnPerIo)
{
}
bool MySockTaskPool::addTask(MySockTask * task)
{
int count = mIoThreadPool.getThreadCOunt();
int minCount = INT_MAX;
int index = -1;
for (int i = 0; i < count; ++i)
{
MyIoThread * thread = dynamic_cast<MyIoThread*>(mIoThreadPool.getThreadByIndex(i));
if (NULL != thread)
{
if (!thread->isStart())
{
if (!thread->start())
{
std::cerr<<__FUNCTION__<<":"<<__LINE__<<"thread start failed! "<< std::endl;
continue;
}
thread->addTask(task);
return true;
}
if ((minCount > thread->getTaskCount()) && (thread->getTaskCount() < mMaxConnPerIo))
{
index = i;
}
/* if (thread->getTaskCount() < mMaxConnPerIo)
{
thread->addTask(task);
return true;
}
else
{
std::cout<<"i: "<<i<<" mMaxConnPerIo: "<<mMaxConnPerIo<<" thread->getTaskCount(): "<<thread->getTaskCount()<<std::endl;
}
*/
}
}
if (-1 == index)
{
std::cerr<<__FUNCTION__<<":"<<__LINE__<<"task add error! "<< std::endl;
return false;
}
MyIoThread * thread = dynamic_cast<MyIoThread*>(mIoThreadPool.getThreadByIndex(index));
if (NULL != thread)
{
thread->addTask(task);
return true;
}
return false;
}
void MySockTaskPool::addRecycleThread(MySockTask * task)
{
mRecycleThread->addTask(task);
}
bool MySockTaskPool::init()
{
mRecycleThread = new MyRecycleThread(this);
if (NULL == mRecycleThread)
{
return false;
}
for (int i = 0; i < mIoCount; ++i)
{
MyIoThread * thread = new MyIoThread(this);
if (NULL == thread || !thread->init())
{
delete mRecycleThread;
mRecycleThread = NULL;
mIoThreadPool.delAllThread();
return false;
}
mIoThreadPool.putThread(thread);
}
return true;
}
void MySockTaskPool::fini()
{
mIoThreadPool.joinAll();
if (NULL != mRecycleThread)
{
mRecycleThread->terminate();
mRecycleThread->join();
}
}
MySockTaskPool::~MySockTaskPool()
{
mIoThreadPool.delAllThread();
if (NULL != mRecycleThread)
{
delete mRecycleThread;
}
}
}