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Unified Diff: services/resource_coordinator/public/cpp/tracing/chrome_trace_event_agent.h

Issue 2878533003: tracing: the client lib of the tracing service (Closed)
Patch Set: review Created 3 years, 7 months ago
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Index: services/resource_coordinator/public/cpp/tracing/chrome_trace_event_agent.h
diff --git a/services/resource_coordinator/public/cpp/tracing/chrome_trace_event_agent.h b/services/resource_coordinator/public/cpp/tracing/chrome_trace_event_agent.h
new file mode 100644
index 0000000000000000000000000000000000000000..90b0e02279b376e4be0c163ff2499f69a3e94dfe
--- /dev/null
+++ b/services/resource_coordinator/public/cpp/tracing/chrome_trace_event_agent.h
@@ -0,0 +1,64 @@
+// Copyright 2017 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 SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_TRACING_CHROME_TRACE_EVENT_AGENT_H_
+#define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_TRACING_CHROME_TRACE_EVENT_AGENT_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/ref_counted_memory.h"
+#include "base/threading/thread_checker.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "services/resource_coordinator/public/cpp/resource_coordinator_export.h"
+#include "services/resource_coordinator/public/interfaces/tracing/tracing.mojom.h"
+#include "services/service_manager/public/cpp/connector.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace tracing {
+
+class SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_EXPORT ChromeTraceEventAgent
+ : public mojom::Agent {
+ public:
+ using MetadataGeneratorFunction =
+ base::RepeatingCallback<std::unique_ptr<base::DictionaryValue>()>;
+
+ static ChromeTraceEventAgent* GetInstance();
+
+ void AddMetadataGeneratorFunction(MetadataGeneratorFunction generator);
+
+ private:
+ friend std::default_delete<ChromeTraceEventAgent>; // For Testing
+ friend class ChromeTraceEventAgentTest; // For Testing
+
+ explicit ChromeTraceEventAgent(mojom::AgentRegistryPtr agent_registry);
+ ~ChromeTraceEventAgent() override;
+
+ // mojom::Agent
+ void StartTracing(const std::string& config,
+ mojom::RecorderPtr recorder,
+ const StartTracingCallback& callback) override;
+ void StopAndFlush() override;
+ void RequestClockSyncMarker(
+ const std::string& sync_id,
+ const RequestClockSyncMarkerCallback& callback) override;
+ void RequestBufferStatus(
+ const RequestBufferStatusCallback& callback) override;
+ void GetCategories(const GetCategoriesCallback& callback) override;
+
+ void OnTraceLogFlush(const scoped_refptr<base::RefCountedString>& events_str,
+ bool has_more_events);
+
+ mojo::Binding<mojom::Agent> binding_;
+ mojom::RecorderPtr recorder_;
+ std::vector<MetadataGeneratorFunction> metadata_generator_functions_;
+
+ THREAD_CHECKER(thread_checker_);
+
+ DISALLOW_COPY_AND_ASSIGN(ChromeTraceEventAgent);
+};
+
+} // namespace tracing
+#endif // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_TRACING_CHROME_TRACE_EVENT_AGENT_H_

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