1 files changed, 120 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Protocol/LoggingProtocolTracer.js b/Source/WebInspectorUI/UserInterface/Protocol/LoggingProtocolTracer.js
new file mode 100644
index 000000000..c2c0fa6cc
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Protocol/LoggingProtocolTracer.js
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2015, 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WebInspector.LoggingProtocolTracer = class LoggingProtocolTracer extends WebInspector.ProtocolTracer
+{
+    constructor()
+    {
+        super();
+
+        this._dumpMessagesToConsole = false;
+        this._dumpTimingDataToConsole = false;
+        this._logToConsole = window.InspectorTest ? InspectorFrontendHost.unbufferedLog.bind(InspectorFrontendHost) : console.log.bind(console);
+    }
+
+    // Public
+
+    set dumpMessagesToConsole(value)
+    {
+        this._dumpMessagesToConsole = !!value;
+    }
+
+    get dumpMessagesToConsole()
+    {
+        return this._dumpMessagesToConsole;
+    }
+
+    set dumpTimingDataToConsole(value)
+    {
+        this._dumpTimingDataToConsole = !!value;
+    }
+
+    get dumpTimingDataToConsole()
+    {
+        return this._dumpTimingDataToConsole;
+    }
+
+    logFrontendException(message, exception)
+    {
+        this._processEntry({type: "exception", message, exception});
+    }
+
+    logProtocolError(message, error)
+    {
+        this._processEntry({type: "error", message, error});
+    }
+
+    logFrontendRequest(message)
+    {
+        this._processEntry({type: "request", message});
+    }
+
+    logWillHandleResponse(message)
+    {
+        let entry = {type: "response", message};
+        this._processEntry(entry);
+    }
+
+    logDidHandleResponse(message, timings = null)
+    {
+        let entry = {type: "response", message};
+        if (timings)
+            entry.timings = Object.shallowCopy(timings);
+
+        this._processEntry(entry);
+    }
+
+    logWillHandleEvent(message)
+    {
+        let entry = {type: "event", message};
+        this._processEntry(entry);
+    }
+
+    logDidHandleEvent(message, timings = null)
+    {
+        let entry = {type: "event", message};
+        if (timings)
+            entry.timings = Object.shallowCopy(timings);
+
+        this._processEntry(entry);
+    }
+
+    _processEntry(entry)
+    {
+        if (this._dumpTimingDataToConsole && entry.timings) {
+            if (entry.timings.rtt && entry.timings.dispatch)
+                this._logToConsole(`time-stats: Handling: ${entry.timings.dispatch || NaN}ms; RTT: ${entry.timings.rtt}ms`);
+            else if (entry.timings.dispatch)
+                this._logToConsole(`time-stats: Handling: ${entry.timings.dispatch || NaN}ms`);
+        } else if (this._dumpMessagesToConsole && !entry.timings) {
+            this._logToConsole(`${entry.type}: ${JSON.stringify(entry.message)}`);
+            if (entry.exception) {
+                this._logToConsole(entry.exception);
+                if (entry.exception.stack)
+                    this._logToConsole(entry.exception.stack);
+            }
+        }
+    }
+};