blob: 0da70e436d08be99f420efd6f37eae432ef65d11 [file] [log] [blame]
/*
*
* Copyright (c) 2021 Project CHIP Authors
* All rights reserved.
*
* 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.
*/
/**
* @file
* Logging implementation for Mbed platform
*/
#include <lib/core/CHIPConfig.h>
#include <lib/support/logging/CHIPLogging.h>
#include <lib/support/logging/Constants.h>
#include <platform/logging/LogV.h>
#include <stdio.h>
#include <string.h>
#include "mbed-trace/mbed_trace.h"
#ifdef MBED_TRACE_FILTER_LENGTH
#define DEFAULT_TRACE_FILTER_LENGTH MBED_TRACE_FILTER_LENGTH
#else
#define DEFAULT_TRACE_FILTER_LENGTH 24
#endif
static const char * TRACE_GROUP = "CHIP";
namespace chip {
namespace DeviceLayer {
/**
* Called whenever a log message is emitted by chip or LwIP.
*
* This function is intended be overridden by the application to, e.g.,
* schedule output of queued log entries.
*/
void __attribute__((weak)) OnLogOutput() {}
} // namespace DeviceLayer
namespace Logging {
namespace Platform {
/**
* Logging static buffer
*/
namespace {
char logMsgBuffer[CHIP_CONFIG_LOG_MESSAGE_MAX_SIZE];
}
/**
* CHIP log output functions.
*/
void LogV(const char * module, uint8_t category, const char * msg, va_list v)
{
size_t prefixLen = 0;
snprintf(logMsgBuffer, sizeof(logMsgBuffer), "[%s]", module);
logMsgBuffer[sizeof(logMsgBuffer) - 2] = 0; // -2 to allow at least one char for the vsnprintf
prefixLen = strlen(logMsgBuffer);
vsnprintf(logMsgBuffer + prefixLen, sizeof(logMsgBuffer) - prefixLen, msg, v);
switch (category)
{
case kLogCategory_Error:
tr_err("%s", logMsgBuffer);
break;
case kLogCategory_Progress:
tr_info("%s", logMsgBuffer);
break;
case kLogCategory_Detail:
default:
tr_debug("%s", logMsgBuffer);
break;
}
// Let the application know that a log message has been emitted.
DeviceLayer::OnLogOutput();
}
void mbed_logging_init()
{
// Mbed trace initialization
mbed_trace_init();
mbed_trace_include_filters_set((char *) TRACE_GROUP);
mbed_trace_config_set(TRACE_ACTIVE_LEVEL_ALL | TRACE_MODE_COLOR);
#if MBED_BSD_SOCKET_TRACE
char filtersStr[DEFAULT_TRACE_FILTER_LENGTH];
auto filters = mbed_trace_include_filters_get();
snprintf(filtersStr, sizeof(filtersStr), "%s,BSDS,NETS", filters);
mbed_trace_include_filters_set(filtersStr);
#endif
#if MBED_DEBUG
chip::Logging::SetLogFilter(chip::Logging::LogCategory::kLogCategory_Detail);
#else
chip::Logging::SetLogFilter(chip::Logging::LogCategory::kLogCategory_Progress);
#endif
}
} // namespace Platform
} // namespace Logging
} // namespace chip