Vehicle-cpp/EgoJC/EgoDLL/message_queue.cpp

#include <atomic>
#include <string>
#include "../common/comm.h"
#include "api.h"
#include "message_queue.h"
#include "../common/iobuffer.h"
#include "../common/peer_connection.h"
 
#include <json/json.h>
#include "protocol.pb.h"
#include <fstream>
#include <cstring>
CMessageQueue::CMessageQueue():_head(nullptr),_tail(nullptr)
{
    _ping = false;
}
CMessageQueue::~CMessageQueue()
{

}
void CMessageQueue::Start()
{
  
    _thread = std::thread(&CMessageQueue::Run, this);


}
void CMessageQueue::Stop()
{
    _run = false;
    _thread.join();
}
 
void CMessageQueue::EnQueue(CIOBuffer* pBuffer)
{
    bool bNullBuffer=false;
    std::unique_lock <std::mutex>  lck(_lock);
    if(_head ==nullptr)
    {
        _head =_tail=pBuffer;
        bNullBuffer=true;
    }
    else{
        _tail->NextBuf=pBuffer;
        _tail = _tail->NextBuf;
    } 
    pBuffer->NextBuf=nullptr;
    if(bNullBuffer)
    {
        _cv.notify_one();
    }
}
void CMessageQueue::Run()
{
    _run = true;
	CIOBuffer* ptr = nullptr;
    std::vector<CIOBuffer* >  array;
    while(_run)
    {
        array.clear();
        {
            std::unique_lock <std::mutex>  lck(_lock);
            while (_head == nullptr && _cv.wait_for(lck, std::chrono::milliseconds(500)) == std::cv_status::timeout)
            {
                OnIdle();
                //  CheckSignal();
                 // std::cout<<".";
                 // std::cout.flush();

            }

            while (_head != nullptr)
            {
                ptr = _head;
                _head = _head->NextBuf;
                if (ptr != nullptr)
                {
                    array.push_back(ptr);
                    //  Process(ptr);
                  //	
                }
            }
        }
        for (auto ptr:array )
        {
            Process(ptr);
            ptr->Release(__FILE__, __LINE__);
        }
        
    }
   
}