Add support for logging information about mojo messages retrieved by the mojo debugger

mojo/spy/websocket_server.cc

 // Copyright 2014 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 "mojo/spy/websocket_server.h"
 
 #include "base/bind.h"
+#include "base/logging.h"
 #include "base/strings/stringprintf.h"
+#include "base/time/time.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/server/http_server_request_info.h"
 #include "net/server/http_server_response_info.h"
 #include "net/socket/tcp_listen_socket.h"
+#include "url/gurl.h"
 
 namespace spy {
 
 const int kNotConnected = -1;
 
 WebSocketServer::WebSocketServer(int port)
     : port_(port), connection_id_(kNotConnected) {
 }
 
 WebSocketServer::~WebSocketServer() {
 }
 
 bool WebSocketServer::Start() {
   net::TCPListenSocketFactory factory("0.0.0.0", port_);
   server_ = new net::HttpServer(factory, this);
   net::IPEndPoint address;
   int error = server_->GetLocalAddress(&address);
   port_ = address.port();
   return (error == net::OK);
 }
 
+void WebSocketServer::LogMessageInfo(
+    const mojo::MojoMessageHeader& message_header,
+    const GURL& url,
+    const base::Time& message_time) {
+  base::Time::Exploded exploded;
+  message_time.LocalExplode(&exploded);
+

[cpu_(ooo_6.6-7.5), 2014/06/27 01:44:06]

assume you have:

bool WebSocketServer::connected() const {
 return connection_id_ !=  kNotConnected;
}

here you can do 
if (connected()) {
  str = FormatMojoMessage(....)
  server_->SendOverWebSocket(connection_id, str);
}

See line 91.

[ananta, 2014/07/03 00:04:40]

Done.

+  DLOG(INFO) << "\n\nStart of message for url :" << url.spec();
+  DLOG(INFO) << "Message Time Hours :" << exploded.hour;
+  DLOG(INFO) << "Message Time Mins :" << exploded.minute;
+  DLOG(INFO) << "Message Time Secs :" << exploded.second;
+  DLOG(INFO) << "Message Bytes  : " << message_header.num_bytes;
+  DLOG(INFO) << "Message Fields : " << message_header.num_fields;
+  DLOG(INFO) << "Message name : " << message_header.name;
+  if (message_header.num_fields == 3) {
+    DLOG(INFO) << "Message has request id";
+    DLOG(INFO) << "Message Request ID : "
+                << message_header.request_id;
+  }
+  if (message_header.flags & mojo::kMessageExpectsResponse) {
+    DLOG(INFO) << "Message expects response";
+  } else if (message_header.flags & mojo::kMessageIsResponse) {
+    DLOG(INFO) << "Message is response";
+  }
+  DLOG(INFO) << "End of message : ";
+}
+
 void WebSocketServer::OnHttpRequest(
     int connection_id,
     const net::HttpServerRequestInfo& info) {
   server_->Send500(connection_id, "websockets protocol only");
 }
 
 void WebSocketServer::OnWebSocketRequest(
     int connection_id,
     const net::HttpServerRequestInfo& info) {
   if (connection_id_ != kNotConnected) {
@@ skipping 16 matching lines @@
     server_->SendOverWebSocket(connection_id, "\"hi there!\"");
 }
 
 void WebSocketServer::OnClose(
     int connection_id) {
   if (connection_id == connection_id_)
     connection_id_ = kNotConnected;
 }
 
 }  // namespace spy