Visualize status of port forwarding sockets in chrome:inspect Devices tab

chrome/browser/devtools/devtools_protocol.cc

 // Copyright (c) 2013 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 "chrome/browser/devtools/devtools_protocol.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 
 namespace {
 const char kIdParam[] = "id";
 const char kMethodParam[] = "method";
 const char kParamsParam[] = "params";
+const char kErrorParam[] = "error";
+const char kErrorCodeParam[] = "code";
 }  // namespace
 
 DevToolsProtocol::Message::~Message() {
 }
 
 DevToolsProtocol::Message::Message(const std::string& method,
                                    base::DictionaryValue* params)
     : method_(method),
       params_(params ? params->DeepCopy() : NULL) {
 }
@@ skipping 21 matching lines @@
 }
 
 DevToolsProtocol::Notification::~Notification() {
 }
 
 DevToolsProtocol::Notification::Notification(const std::string& method,
                                              base::DictionaryValue* params)
     : Message(method, params) {
 }
 
+DevToolsProtocol::Response::~Response() {
+}
+
+DevToolsProtocol::Response::Response(int id, int error_code)
+    : id_(id),
+      error_code_(error_code) {
+}
+
 // static
 DevToolsProtocol::Notification* DevToolsProtocol::ParseNotification(
     const std::string& json) {
   scoped_ptr<base::Value> value(base::JSONReader::Read(json));
   if (!value || !value->IsType(Value::TYPE_DICTIONARY))
     return NULL;
 
   scoped_ptr<base::DictionaryValue> dict(
       static_cast<base::DictionaryValue*>(value.release()));
 
   std::string method;
   if (!dict->GetString(kMethodParam, &method))
     return NULL;
 
   base::DictionaryValue* params = NULL;
   dict->GetDictionary(kParamsParam, &params);
   return new Notification(method, params);
 }
+
+DevToolsProtocol::Response* DevToolsProtocol::ParseResponse(
+    const std::string& json) {
+  scoped_ptr<base::Value> value(base::JSONReader::Read(json));
+  if (!value || !value->IsType(Value::TYPE_DICTIONARY))
+    return NULL;
+
+  scoped_ptr<base::DictionaryValue> dict(
+      static_cast<base::DictionaryValue*>(value.release()));
+
+  int id;
+  if (!dict->GetInteger(kIdParam, &id))
+    return NULL;
+
+  int error_code = 0;
+  base::DictionaryValue* error_dict = NULL;
+  if (dict->GetDictionary(kErrorParam, &error_dict))
+    error_dict->GetInteger(kErrorCodeParam, &error_code);
+  return new Response(id, error_code);
+}