| // 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. |
| |
| #ifndef CONTENT_BROWSER_TRACING_TRACE_SUBSCRIBER_STDIO_H_ |
| #define CONTENT_BROWSER_TRACING_TRACE_SUBSCRIBER_STDIO_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "content/public/browser/trace_subscriber.h" |
| #include "content/common/content_export.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace content { |
| |
| // Stdio implementation of TraceSubscriber. Use this to write traces to a file. |
| class CONTENT_EXPORT TraceSubscriberStdio |
| : NON_EXPORTED_BASE(public TraceSubscriber) { |
| public: |
| enum FileType { |
| // Output file as array, representing trace events: |
| // [event1, event2, ...] |
| FILE_TYPE_ARRAY, |
| // Output file as property list with one or two items: |
| // {traceEvents: [event1, event2, ...], |
| // systemTraceEvents: "event1\nevent2\n..." // optional} |
| FILE_TYPE_PROPERTY_LIST |
| }; |
| |
| // has_system_trace indicates whether system trace events are expected. |
| TraceSubscriberStdio(const base::FilePath& path, |
| FileType file_type, |
| bool has_system_trace); |
| virtual ~TraceSubscriberStdio(); |
| |
| // Implementation of TraceSubscriber |
| virtual void OnEndTracingComplete() OVERRIDE; |
| virtual void OnTraceDataCollected( |
| const scoped_refptr<base::RefCountedString>& data_ptr) OVERRIDE; |
| |
| // To be used as callback to DebugDaemonClient::RequestStopSystemTracing(). |
| virtual void OnEndSystemTracing( |
| const scoped_refptr<base::RefCountedString>& events_str_ptr); |
| |
| private: |
| class TraceSubscriberStdioWorker; |
| scoped_refptr<TraceSubscriberStdioWorker> worker_; |
| DISALLOW_COPY_AND_ASSIGN(TraceSubscriberStdio); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_TRACING_TRACE_SUBSCRIBER_STDIO_H_ |