/*

 *

 *    Copyright (c) 2021-2024 Project CHIP Authors

 *

 *    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.

 */

#include <platform/logging/LogV.h>

#include <lib/support/logging/Constants.h>

#include <inttypes.h>

#include <stdio.h>

#include <time.h>

#if defined(__APPLE__)

#include <platform/Darwin/DispatchQueueNames.h>

#include <pthread.h>

#include <unistd.h>

#elif defined(__gnu_linux__)

#include <sys/syscall.h>

#include <unistd.h>

#endif

namespace chip {

namespace Logging {

namespace Platform {

// TODO: investigate whether pw_chrono or pw_log could be used here

void LogV(const char * module, uint8_t category, const char * msg, va_list v)

{

    // Stdout needs to be locked, because it's printed in pieces

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS)

    flockfile(stdout);

#endif

    switch (category)

    {

    case kLogCategory_Error:

        printf("\033[1;31m");

        break;

    case kLogCategory_Progress:

        printf("\033[0;32m");

        break;

    case kLogCategory_Detail:

        printf("\033[0;34m");

        break;

    }

#if defined(__APPLE__) || defined(__gnu_linux__)

    timespec ts;

    timespec_get(&ts, TIME_UTC);

    printf("[%lld.%03ld] ", static_cast<long long>(ts.tv_sec), static_cast<long>(ts.tv_nsec / 1000000));

#endif

#if defined(__APPLE__)

    uint64_t ktid;

    pthread_threadid_np(nullptr, &ktid);

    const char * label = darwin::queues::CurrentLabel();

    printf("[%lld:%lld:%s] ", static_cast<long long>(getpid()), static_cast<long long>(ktid), label);

#elif defined(__gnu_linux__) && !defined(__NuttX__)

    // TODO: change to getpid() and gettid() after glib upgrade

    printf("[%lld:%lld] ", static_cast<long long>(syscall(SYS_getpid)), static_cast<long long>(syscall(SYS_gettid)));

#endif

    printf("[%s] ", module);

    vprintf(msg, v);

    printf("\033[0m\n");

    fflush(stdout);

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS)

    funlockfile(stdout);

#endif

}

} // namespace Platform

} // namespace Logging

} // namespace chip