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Unified Diff: chrome/browser/feedback/tracing_manager.cc

Issue 225183018: Move feedback files into src/components (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix deps, merge gyp targets, sync with latest Created 6 years, 8 months ago
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Index: chrome/browser/feedback/tracing_manager.cc
diff --git a/chrome/browser/feedback/tracing_manager.cc b/chrome/browser/feedback/tracing_manager.cc
deleted file mode 100644
index 577a7c1c483a8f221c5aa32c3433c1fae9e4f502..0000000000000000000000000000000000000000
--- a/chrome/browser/feedback/tracing_manager.cc
+++ /dev/null
@@ -1,145 +0,0 @@
-// Copyright 2013 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 "chrome/browser/feedback/tracing_manager.h"
-
-#include "base/bind.h"
-#include "base/file_util.h"
-#include "base/location.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/prefs/pref_service.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/feedback/feedback_util.h"
-#include "chrome/common/pref_names.h"
-#include "content/public/browser/tracing_controller.h"
-
-namespace {
-// Only once trace manager can exist at a time.
-TracingManager* g_tracing_manager = NULL;
-// Trace IDs start at 1 and increase.
-int g_next_trace_id = 1;
-// Name of the file to store the tracing data as.
-const base::FilePath::CharType kTracingFilename[] =
- FILE_PATH_LITERAL("tracing.json");
-}
-
-TracingManager::TracingManager()
- : current_trace_id_(0),
- weak_ptr_factory_(this) {
- DCHECK(!g_tracing_manager);
- g_tracing_manager = this;
- StartTracing();
-}
-
-TracingManager::~TracingManager() {
- DCHECK(g_tracing_manager == this);
- g_tracing_manager = NULL;
-}
-
-int TracingManager::RequestTrace() {
- // Return the current trace if one is being collected.
- if (current_trace_id_)
- return current_trace_id_;
-
- current_trace_id_ = g_next_trace_id;
- ++g_next_trace_id;
- content::TracingController::GetInstance()->DisableRecording(
- base::FilePath(),
- base::Bind(&TracingManager::OnTraceDataCollected,
- weak_ptr_factory_.GetWeakPtr()));
- return current_trace_id_;
-}
-
-bool TracingManager::GetTraceData(int id, const TraceDataCallback& callback) {
- // If a trace is being collected currently, send it via callback when
- // complete.
- if (current_trace_id_) {
- // Only allow one trace data request at a time.
- if (trace_callback_.is_null()) {
- trace_callback_ = callback;
- return true;
- } else {
- return false;
- }
- } else {
- std::map<int, scoped_refptr<base::RefCountedString> >::iterator data =
- trace_data_.find(id);
- if (data == trace_data_.end())
- return false;
-
- // Always return the data asychronously, so the behavior is consistant.
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
- base::Bind(callback, data->second));
- return true;
- }
-}
-
-void TracingManager::DiscardTraceData(int id) {
- trace_data_.erase(id);
-
- // If the trace is discarded before it is complete, clean up the accumulators.
- if (id == current_trace_id_) {
- current_trace_id_ = 0;
-
- // If the trace has already been requested, provide an empty string.
- if (!trace_callback_.is_null()) {
- trace_callback_.Run(scoped_refptr<base::RefCountedString>());
- trace_callback_.Reset();
- }
- }
-}
-
-void TracingManager::StartTracing() {
- content::TracingController::GetInstance()->EnableRecording(
- "", content::TracingController::DEFAULT_OPTIONS,
- content::TracingController::EnableRecordingDoneCallback());
-}
-
-void TracingManager::OnTraceDataCollected(const base::FilePath& path) {
- if (!current_trace_id_)
- return;
-
- std::string data;
- if (!base::ReadFileToString(path, &data)) {
- LOG(ERROR) << "Failed to read trace data from: " << path.value();
- return;
- }
- base::DeleteFile(path, false);
-
- std::string output_val;
- feedback_util::ZipString(
- base::FilePath(kTracingFilename), data, &output_val);
-
- scoped_refptr<base::RefCountedString> output(
- base::RefCountedString::TakeString(&output_val));
-
- trace_data_[current_trace_id_] = output;
-
- if (!trace_callback_.is_null()) {
- trace_callback_.Run(output);
- trace_callback_.Reset();
- }
-
- current_trace_id_ = 0;
-
- // Tracing has to be restarted asynchronous, so the TracingController can
- // clean up.
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
- base::Bind(&TracingManager::StartTracing,
- weak_ptr_factory_.GetWeakPtr()));
-}
-
-// static
-scoped_ptr<TracingManager> TracingManager::Create() {
- if (g_tracing_manager)
- return scoped_ptr<TracingManager>();
- return scoped_ptr<TracingManager>(new TracingManager());
-}
-
-TracingManager* TracingManager::Get() {
- return g_tracing_manager;
-}

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