#include "VrThread.h"

VrThread::VrThread(int index)
    : m_nIndex(index)
    , m_bRuning(false)
{

}

int VrThread::Init()
{
    LOG_DEBUG("create thread : %d\n", m_nIndex);
    std::thread execThread(&VrThread::_ExecTask, this);
    execThread.detach();
    while(!m_bRuning)
    {
        std::this_thread::sleep_for(std::chrono::milliseconds(10));
    }
    return 0;
}

int VrThread::ExecTask(ThreadExecFunc fExecFunc, void *pParam, ExecFinishFunc pExecFinishFunc, void *pFinishParam)
{
    if(nullptr == fExecFunc) return -1;

    m_fExecFunc = fExecFunc;
    m_pParam = pParam;

    m_fFinishFunc = pExecFinishFunc;
    m_pFinishParam = pFinishParam;

    m_condExec.notify_all();
    return 0;
}

void VrThread::_ExecTask()
{
    while(true)
    {
        LOG_DEBUG("thread: %d wait \n", m_nIndex);
        m_bRuning = true;
        std::unique_lock<std::mutex> olck(m_mutexExec);
        m_condExec.wait(olck);

        LOG_DEBUG("thread: %d exec \n", m_nIndex);

        if(nullptr == m_fExecFunc)
        {
            m_nRet = -1;
            continue;
        }
        m_fExecFunc(m_pParam);

        //执行完
        m_fExecFunc = nullptr;
        m_pParam = nullptr;

        if(m_fFinishFunc)
        {
            m_fFinishFunc(m_pFinishParam);
        }
    }
}