DevTools: Make network events continuous on Timeline

third_party/WebKit/Source/core/fetch/TraceEventArguments.cpp

+// Copyright 2015 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 "config.h"
+#include "core/fetch/TraceEventArguments.h"
+
+#include "bindings/core/v8/ScriptCallStackFactory.h"
+#include "platform/TraceEvent.h"
+#include "platform/TracedValue.h"
+#include "platform/network/ResourceRequest.h"
+#include "platform/network/ResourceResponse.h"
+
+namespace blink {
+
+namespace {
+
+void setCallStack(TracedValue* value)
+{
+    static const unsigned char* traceCategoryEnabled = 0;
+    WTF_ANNOTATE_BENIGN_RACE(&traceCategoryEnabled, "trace_event category");
+    if (!traceCategoryEnabled)
+        traceCategoryEnabled = TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"));
+    if (!*traceCategoryEnabled)
+        return;
+    RefPtrWillBeRawPtr<ScriptCallStack> scriptCallStack = currentScriptCallStack(ScriptCallStack::maxCallStackSizeToCapture);
+    if (scriptCallStack)
+        scriptCallStack->toTracedValue(value, "stackTrace");
+}
+
+} // namespace
+
+PassRefPtr<TraceEvent::ConvertableToTraceFormat> InspectorSendRequestEvent::data(unsigned long identifier, const ResourceRequest& request)
+{
+    RefPtr<TracedValue> value = TracedValue::create();
+    value->setString("requestId", String::number(identifier));
+    value->setString("url", request.url().string());
+    value->setString("requestMethod", request.httpMethod());
+    setCallStack(value.get());
+    return value.release();
+}
+
+PassRefPtr<TraceEvent::ConvertableToTraceFormat> InspectorReceiveResponseEvent::data(unsigned long identifier, const ResourceResponse& response)
+{
+    RefPtr<TracedValue> value = TracedValue::create();
+    value->setString("requestId", String::number(identifier));
+    value->setInteger("statusCode", response.httpStatusCode());
+    value->setString("mimeType", response.mimeType().string().isolatedCopy());
+    return value.release();
+}
+
+PassRefPtr<TraceEvent::ConvertableToTraceFormat> InspectorReceiveDataEvent::data(unsigned long identifier, int encodedDataLength)
+{
+    RefPtr<TracedValue> value = TracedValue::create();
+    value->setString("requestId", String::number(identifier));
+    value->setInteger("encodedDataLength", encodedDataLength);
+    return value.release();
+}
+
+PassRefPtr<TraceEvent::ConvertableToTraceFormat> InspectorResourceFinishEvent::data(unsigned long identifier, double finishTime, bool didFail)
+{
+    RefPtr<TracedValue> value = TracedValue::create();
+    value->setString("requestId", String::number(identifier));
+    value->setBoolean("didFail", didFail);
+    if (finishTime)
+        value->setDouble("networkTime", finishTime);
+    return value.release();
+}
+
+} // namespace blink