cmdLog.cpp

/*

Module:	cmdLog.cpp

Function:
    Process the "log" command

Copyright and License:
    This file copyright (C) 2021 by

        MCCI Corporation
        3520 Krums Corners Road
        Ithaca, NY  14850

    See accompanying LICENSE file for copyright and license information.

Author:
    Terry Moore, MCCI Corporation	May 2021

*/

#include "Catena4610_cmd.h"

#include <Catena_Log.h>

using namespace McciCatena;

/*

Name:   ::cmdLog()

Function:
    Command dispatcher for "log" command.

Definition:
    McciCatena::cCommandStream::CommandFn cmdLog;

    McciCatena::cCommandStream::CommandStatus cmdLog(
        cCommandStream *pThis,
        void *pContext,
        int argc,
        char **argv
        );

Description:
    The "log" command has the following syntax:

    log
        Display the current log mask.

    log {number}
        Set the log mask to {number}

Returns:
    cCommandStream::CommandStatus::kSuccess if successful.
    Some other value for failure.

*/

// argv[0] is "log"
// argv[1] is new log flag mask; if omitted, mask is printed
cCommandStream::CommandStatus cmdLog(
    cCommandStream *pThis,
    void *pContext,
    int argc,
    char **argv
    )
    {
    if (argc > 2)
        return cCommandStream::CommandStatus::kInvalidParameter;

    if (argc == 1)
        {
        pThis->printf("log flags: %#x\n", gLog.getFlags());
        return cCommandStream::CommandStatus::kSuccess;
        }
    else
        {
        cCommandStream::CommandStatus status;
        uint32_t newFlags;

        // get arg 1 as newFlags; default is irrelevant
        status = cCommandStream::getuint32(argc, argv, 1, /*radix*/ 0, newFlags, /* default */ 0);
        if (status == cCommandStream::CommandStatus::kSuccess)
            {
            cLog::DebugFlags const oldFlags =
                gLog.setFlags(cLog::DebugFlags(newFlags));

            pThis->printf("log flags: %#x -> %#x\n", oldFlags, newFlags);
            }
        return status;
        }
    }