michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "base/tracked.h"
michael@0: 
michael@0: #include "base/string_util.h"
michael@0: #include "base/tracked_objects.h"
michael@0: 
michael@0: using base::Time;
michael@0: 
michael@0: namespace tracked_objects {
michael@0: 
michael@0: //------------------------------------------------------------------------------
michael@0: void Location::Write(bool display_filename, bool display_function_name,
michael@0:                      std::string* output) const {
michael@0:   StringAppendF(output, "%s[%d] ",
michael@0:       display_filename ? file_name_ : "line",
michael@0:       line_number_);
michael@0: 
michael@0:   if (display_function_name) {
michael@0:     WriteFunctionName(output);
michael@0:     output->push_back(' ');
michael@0:   }
michael@0: }
michael@0: 
michael@0: void Location::WriteFunctionName(std::string* output) const {
michael@0:   // Translate "<" to "&lt;" for HTML safety.
michael@0:   // TODO(jar): Support ASCII or html for logging in ASCII.
michael@0:   for (const char *p = function_name_; *p; p++) {
michael@0:     switch (*p) {
michael@0:       case '<':
michael@0:         output->append("&lt;");
michael@0:         break;
michael@0: 
michael@0:       case '>':
michael@0:         output->append("&gt;");
michael@0:         break;
michael@0: 
michael@0:       default:
michael@0:         output->push_back(*p);
michael@0:         break;
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: //------------------------------------------------------------------------------
michael@0: 
michael@0: #ifndef TRACK_ALL_TASK_OBJECTS
michael@0: 
michael@0: Tracked::Tracked() {}
michael@0: Tracked::~Tracked() {}
michael@0: void Tracked::SetBirthPlace(const Location& from_here) {}
michael@0: bool Tracked::MissingBirthplace() const { return false; }
michael@0: void Tracked::ResetBirthTime() {}
michael@0: 
michael@0: #else
michael@0: 
michael@0: Tracked::Tracked() : tracked_births_(NULL), tracked_birth_time_(Time::Now()) {
michael@0:   if (!ThreadData::IsActive())
michael@0:     return;
michael@0:   SetBirthPlace(Location("NoFunctionName", "NeedToSetBirthPlace", -1));
michael@0: }
michael@0: 
michael@0: Tracked::~Tracked() {
michael@0:   if (!ThreadData::IsActive() || !tracked_births_)
michael@0:     return;
michael@0:   ThreadData::current()->TallyADeath(*tracked_births_,
michael@0:                                      Time::Now() - tracked_birth_time_);
michael@0: }
michael@0: 
michael@0: void Tracked::SetBirthPlace(const Location& from_here) {
michael@0:   if (!ThreadData::IsActive())
michael@0:     return;
michael@0:   if (tracked_births_)
michael@0:     tracked_births_->ForgetBirth();
michael@0:   ThreadData* current_thread_data = ThreadData::current();
michael@0:   if (!current_thread_data)
michael@0:     return;  // Shutdown started, and this thread wasn't registered.
michael@0:   tracked_births_ = current_thread_data->FindLifetime(from_here);
michael@0:   tracked_births_->RecordBirth();
michael@0: }
michael@0: 
michael@0: void Tracked::ResetBirthTime() {
michael@0:   tracked_birth_time_ = Time::Now();
michael@0: }
michael@0: 
michael@0: bool Tracked::MissingBirthplace() const {
michael@0:   return -1 == tracked_births_->location().line_number();
michael@0: }
michael@0: 
michael@0: #endif  // NDEBUG
michael@0: 
michael@0: }  // namespace tracked_objects