Add a new UMA histogram for tracking SpdySessionErrorDetails

net/spdy/spdy_session.h

 // 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 NET_SPDY_SPDY_SESSION_H_
 #define NET_SPDY_SPDY_SESSION_H_
 #pragma once
 
 #include <algorithm>
 #include <list>
@@ skipping 31 matching lines @@
 // reasonably with ethernet. Chop the world into 2-packet chunks.  This is
 // somewhat arbitrary, but is reasonably small and ensures that we elicit
 // ACKs quickly from TCP (because TCP tries to only ACK every other packet).
 const int kMss = 1430;
 const int kMaxSpdyFrameChunkSize = (2 * kMss) - SpdyFrame::kHeaderSize;
 
 class BoundNetLog;
 class SpdyStream;
 class SSLInfo;
 
+enum SpdyProtocolErrorDetails {
+  // SpdyFramer::SpdyErrors
+  SPDY_ERROR_NO_ERROR,
+  SPDY_ERROR_INVALID_CONTROL_FRAME,
+  SPDY_ERROR_CONTROL_PAYLOAD_TOO_LARGE,
+  SPDY_ERROR_ZLIB_INIT_FAILURE,
+  SPDY_ERROR_UNSUPPORTED_VERSION,
+  SPDY_ERROR_DECOMPRESS_FAILURE,
+  SPDY_ERROR_COMPRESS_FAILURE,
+  SPDY_ERROR_CREDENTIAL_FRAME_CORRUPT,
+  SPDY_ERROR_INVALID_DATA_FRAME_FLAGS,
+
+  // SpdyStatusCodes
+  STATUS_CODE_INVALID,
+  STATUS_CODE_PROTOCOL_ERROR,
+  STATUS_CODE_INVALID_STREAM,
+  STATUS_CODE_REFUSED_STREAM,
+  STATUS_CODE_UNSUPPORTED_VERSION,
+  STATUS_CODE_CANCEL,
+  STATUS_CODE_INTERNAL_ERROR,
+  STATUS_CODE_FLOW_CONTROL_ERROR,
+  STATUS_CODE_STREAM_IN_USE,
+  STATUS_CODE_STREAM_ALREADY_CLOSED,
+  STATUS_CODE_INVALID_CREDENTIALS,
+  STATUS_CODE_FRAME_TOO_LARGE,
+
+  // SpdySession errors
+  PROTOCOL_ERROR_UNEXPECTED_PING,
+  PROTOCOL_ERROR_RST_STREAM_FOR_NON_ACTIVE_STREAM,
+  PROTOCOL_ERROR_SPDY_COMPRESSION_FAILURE,
+  PROTOCOL_ERROR_REQUST_FOR_SECURE_CONTENT_OVER_INSECURE_SESSION,
+  PROTOCOL_ERROR_SYN_REPLY_NOT_RECEIVED,
+  NUM_SPDY_PROTOCOL_ERROR_DETAILS
+};
+
+COMPILE_ASSERT(STATUS_CODE_INVALID ==
+               static_cast<SpdyProtocolErrorDetails>(SpdyFramer::LAST_ERROR),
+               SpdyProtocolErrorDetails_SpdyErrors_mismatch);
+
+COMPILE_ASSERT(PROTOCOL_ERROR_UNEXPECTED_PING ==
+               static_cast<SpdyProtocolErrorDetails>(NUM_STATUS_CODES +
+                                                     STATUS_CODE_INVALID),
+               SpdyProtocolErrorDetails_SpdyErrors_mismatch);
+
 class NET_EXPORT SpdySession : public base::RefCounted<SpdySession>,
                                public BufferedSpdyFramerVisitorInterface {
  public:
   // Create a new SpdySession.
   // |host_port_proxy_pair| is the host/port that this session connects to, and
   // the proxy configuration settings that it's using.
   // |spdy_session_pool| is the SpdySessionPool that owns us.  Its lifetime must
   // strictly be greater than |this|.
   // |session| is the HttpNetworkSession.  |net_log| is the NetLog that we log
   // network events to.
@@ skipping 348 matching lines @@
   scoped_refptr<SpdyStream> GetActivePushStream(const std::string& url);
 
   // Calls OnResponseReceived().
   // Returns true if successful.
   bool Respond(const SpdyHeaderBlock& headers,
                const scoped_refptr<SpdyStream> stream);
 
 
   void RecordPingRTTHistogram(base::TimeDelta duration);
   void RecordHistograms();
+  void RecordProtocolErrorHistogram(SpdyProtocolErrorDetails details);
 
   // Closes all streams.  Used as part of shutdown.
   void CloseAllStreams(net::Error status);
 
   // Invokes a user callback for stream creation.  We provide this method so it
   // can be deferred to the MessageLoop, so we avoid re-entrancy problems.
   void InvokeUserStreamCreationCallback(scoped_refptr<SpdyStream>* stream);
 
   // BufferedSpdyFramerVisitorInterface:
   virtual void OnError(SpdyFramer::SpdyError error_code) OVERRIDE;
@@ skipping 268 matching lines @@
 
   const int status_;
   const std::string description_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogSpdySessionCloseParameter);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_H_