platform/impl/text_trace_logging_platform.cc

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "platform/impl/text_trace_logging_platform.h"

#include <limits>
#include <sstream>

#include "util/chrono_helpers.h"
#include "util/osp_logging.h"

namespace openscreen {

bool TextTraceLoggingPlatform::IsTraceLoggingEnabled(
    TraceCategory::Value category) {
  constexpr uint64_t kAllLogCategoriesMask =
      std::numeric_limits<uint64_t>::max();
  return (kAllLogCategoriesMask & category) != 0;
}

TextTraceLoggingPlatform::TextTraceLoggingPlatform() {
  StartTracing(this);
}

TextTraceLoggingPlatform::~TextTraceLoggingPlatform() {
  StopTracing();
}

void TextTraceLoggingPlatform::LogTrace(const char* name,
                                        const uint32_t line,
                                        const char* file,
                                        Clock::time_point start_time,
                                        Clock::time_point end_time,
                                        TraceIdHierarchy ids,
                                        Error::Code error) {
  auto total_runtime = to_microseconds(end_time - start_time).count();
  constexpr auto microseconds_symbol = "\u03BCs";  // Greek Mu + 's'
  std::stringstream ss;
  ss << "TRACE [" << std::hex << ids.root << ":" << ids.parent << ":"
     << ids.current << "] (" << std::dec << total_runtime << microseconds_symbol
     << ") " << name << "<" << file << ":" << line << "> " << error;

  OSP_LOG_INFO << ss.str();
}

void TextTraceLoggingPlatform::LogAsyncStart(const char* name,
                                             const uint32_t line,
                                             const char* file,
                                             Clock::time_point timestamp,
                                             TraceIdHierarchy ids) {
  std::stringstream ss;
  ss << "ASYNC TRACE START [" << std::hex << ids.root << ":" << ids.parent
     << ":" << ids.current << std::dec << "] (" << timestamp << ") " << name
     << "<" << file << ":" << line << ">";

  OSP_LOG_INFO << ss.str();
}

void TextTraceLoggingPlatform::LogAsyncEnd(const uint32_t line,
                                           const char* file,
                                           Clock::time_point timestamp,
                                           TraceId trace_id,
                                           Error::Code error) {
  OSP_LOG_INFO << "ASYNC TRACE END [" << std::hex << trace_id << std::dec
               << "] (" << timestamp << ") " << error;
}

}  // namespace openscreen