diff options
Diffstat (limited to 'content/browser/devtools/devtools_tracing_handler.cc')
-rw-r--r-- | content/browser/devtools/devtools_tracing_handler.cc | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/content/browser/devtools/devtools_tracing_handler.cc b/content/browser/devtools/devtools_tracing_handler.cc new file mode 100644 index 0000000..5514452 --- /dev/null +++ b/content/browser/devtools/devtools_tracing_handler.cc @@ -0,0 +1,103 @@ +// Copyright (c) 2012 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 "content/browser/devtools/devtools_tracing_handler.h" + +#include "base/bind.h" +#include "base/callback.h" +#include "base/location.h" +#include "base/values.h" +#include "content/browser/devtools/devtools_http_handler_impl.h" +#include "content/public/browser/browser_thread.h" +#include "content/public/browser/trace_controller.h" +#include "content/public/browser/trace_subscriber.h" + +namespace content { + +DevToolsTracingHandler::DevToolsTracingHandler() + : has_completed_(false), + buffer_data_size_(0) { +} + +DevToolsTracingHandler::~DevToolsTracingHandler() { +} + +std::string DevToolsTracingHandler::Domain() { + return "Tracing"; +} + +void DevToolsTracingHandler::OnEndTracingComplete() { + has_completed_ = true; +} + +void DevToolsTracingHandler::OnTraceDataCollected( + const scoped_refptr<base::RefCountedString>& trace_fragment) { + buffer_.push_back(trace_fragment->data()); + buffer_data_size_ += trace_fragment->data().size(); +} + +base::Value* DevToolsTracingHandler::OnProtocolCommand( + const std::string& method, + const base::DictionaryValue* params, + base::Value** error_out) { + if (method == "Tracing.start") + return Start(params); + else if (method == "Tracing.end") + return End(params); + else if (method == "Tracing.hasCompleted") + return HasCompleted(params); + else if (method == "Tracing.getTraceAndReset") + return GetTraceAndReset(params); + + base::DictionaryValue* error_object = new base::DictionaryValue(); + error_object->SetInteger("code", -1); + error_object->SetString("message", "Invalid method"); + + *error_out = error_object; + + return NULL; +} + +base::Value* DevToolsTracingHandler::Start( + const base::DictionaryValue* params) { + std::string categories; + if (params && params->HasKey("categories")) + params->GetString("categories", &categories); + TraceController::GetInstance()->BeginTracing(this, categories); + + return base::Value::CreateBooleanValue(true); +} + +base::Value* DevToolsTracingHandler::End( + const base::DictionaryValue* /* params */) { + TraceController::GetInstance()->EndTracingAsync(this); + + return base::Value::CreateBooleanValue(true); +} + + +base::Value* DevToolsTracingHandler::HasCompleted( + const base::DictionaryValue* /* params */) { + + return base::Value::CreateBooleanValue(has_completed_); +} + +base::Value* DevToolsTracingHandler::GetTraceAndReset( + const base::DictionaryValue* /* params */) { + std::string ret; + ret.reserve(buffer_data_size_); + for (std::vector<std::string>::const_iterator i = buffer_.begin(); + i != buffer_.end(); ++i) { + if (!ret.empty()) + ret.append(","); + ret.append(*i); + } + buffer_.clear(); + has_completed_ = false; + buffer_data_size_ = 0; + + return base::Value::CreateStringValue(ret); +} + +} // namespace content |