oscl/pvlogger/src/pvlogger_time_and_id_layout.h

/* ------------------------------------------------------------------
 * Copyright (C) 1998-2009 PacketVideo
 *
 * 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.
 * -------------------------------------------------------------------
 */
#ifndef PVLOGGER_TIME_AND_ID_LAYOUT_H_INCLUDED
#define PVLOGGER_TIME_AND_ID_LAYOUT_H_INCLUDED


#ifndef PVLOGGERACCESSORIES_H_INCLUDED
#include "pvlogger_accessories.h"
#endif

#ifndef OSCL_SNPRINTF_H_INCLUDED
#include "oscl_snprintf.h"
#endif

#ifndef OSCL_THREAD_H_INCLUDED
#include "oscl_thread.h"
#endif

#ifndef OSCL_TICKCOUNT_H_INCLUDED
#include "oscl_tickcount.h"
#endif

#define OSCLCLOCKUNIT_SEC = 2
/**
 * Class: MsgFormatter
 *
 * This class currently implements formatting of text messages. A time stamp is
 * appended to each meessage, prior to formatting. For message buffers, time stamp addition
 * is performed, but no formatting is done.
 *
 */

class TimeAndIdLayout : public PVLoggerLayout
{
    public:
        TimeAndIdLayout()
        {
            iTickBase = OsclTickCount::TickCount();
        }
        virtual ~TimeAndIdLayout() {}

        typedef PVLoggerLayout::message_id_type message_id_type;

        int32 FormatString(char* formatBuf, int32 formatBufSize,
                           message_id_type msgID, const char * fmt, va_list va)
        {
            int32 msgLen = 0;
            int32 remBufSpace = formatBufSize;
            uint32 msec = OsclTickCount::TicksToMsec(OsclTickCount::TickCount() - iTickBase);

            OSCL_UNUSED_ARG(msgID);

            TOsclThreadId threadId;
            OsclThread::GetId(threadId);

            msgLen += oscl_snprintf(formatBuf, remBufSpace, "PVLOG:TID(0x%x):Time=%d:", (uint32)threadId, msec);

            if (msgLen > formatBufSize) return (formatBufSize);

            remBufSpace -= msgLen;
            msgLen += oscl_vsnprintf(formatBuf + msgLen,
                                     remBufSpace,
                                     fmt, va);

            if (msgLen > formatBufSize) return (formatBufSize);

            return (msgLen);
        };

        int32 FormatOpaqueMessage(char* formatBuf, int32 maxformatBufSize,
                                  message_id_type msgID, int32 numPairs, va_list va)
        {
            OSCL_UNUSED_ARG(formatBuf);
            OSCL_UNUSED_ARG(maxformatBufSize);
            OSCL_UNUSED_ARG(msgID);
            OSCL_UNUSED_ARG(numPairs);
            OSCL_UNUSED_ARG(va);
            return 0;
        }
    private:
        uint32 iTickBase;

};

#endif // PVLOGGER_TIME_AND_ID_LAYOUT_H_INCLUDED