#include "SGIPLog.h"

CMobilLog::CMobilLog()
{
        m_nHan = -1;
        memset(m_cFile, 0, sizeof(m_cFile));
        strcpy(m_cFile, "./gwmsgid.log");

        if ((m_nHan = open(m_cFile, O_WRONLY)) == -1)
        {
                m_nHan = open(m_cFile, O_WRONLY|O_CREAT|O_TRUNC, 00666);
        }

	pthread_mutex_init(&m_log_mutex , NULL);
}

CMobilLog::~CMobilLog(void)
{
        if (m_nHan != -1)
                close(m_nHan);
}

void CMobilLog::add(char *pLog)
{
        if (m_nHan < 0)
        {
                if ((m_nHan = open(m_cFile, O_RDWR)) == -1)
                {
                        if ((m_nHan = open(m_cFile, O_WRONLY|O_CREAT|O_TRUNC)) == -1)
                                return;
                }
        }
        char cBuf[1024] = "";
        memset(cBuf, 0, sizeof(cBuf));

        time_t tt = time(NULL);
        struct tm *pTime = localtime(&tt);
        char cTime[20] = "";
        memset(cTime, 0, sizeof(cTime));
        sprintf(cTime, "[ %d-%d-%d %d:%d:%d ] ", pTime->tm_year+1900,
                                                pTime->tm_mon+1,
                                                pTime->tm_mday,
                                                pTime->tm_hour,
                                                pTime->tm_min,
                                                pTime->tm_sec);
        strcat(cBuf, cTime);
        strcat(cBuf, pLog);

        int nLen = strlen(cBuf);
        int nWrLen = 0;
		pthread_mutex_lock(&m_log_mutex);
        while (nLen > 0)
        {
                lseek(m_nHan, 0, SEEK_END);
                nLen -= nWrLen;
                nWrLen = write(m_nHan, cBuf, nLen);
        }
		pthread_mutex_unlock(&m_log_mutex);
}