Add interfaces for most major Blimp net components.

blimp/net/blimp_message_dispatcher.cc

-// 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 "blimp/net/blimp_message_dispatcher.h"
-
-#include <string>
-
-#include "base/strings/stringprintf.h"
-
-namespace blimp {
-namespace {
-
-std::string BlimpMessageToDebugString(const BlimpMessage& message) {
-  return base::StringPrintf("<message type=%d>", message.type());
-}
-
-}  // namespace
-
-BlimpMessageDispatcher::BlimpMessageDispatcher() {}
-
-BlimpMessageDispatcher::~BlimpMessageDispatcher() {}
-
-void BlimpMessageDispatcher::AddReceiver(BlimpMessage::Type type,
-                                         BlimpMessageReceiver* receiver) {
-  DCHECK(receiver);
-  if (feature_receiver_map_.find(type) == feature_receiver_map_.end()) {
-    feature_receiver_map_.insert(std::make_pair(type, receiver));
-  } else {
-    DLOG(FATAL) << "Handler already registered for type=" << type << ".";
-  }
-}
-
-net::Error BlimpMessageDispatcher::OnBlimpMessage(const BlimpMessage& message) {
-  auto receiver_iter = feature_receiver_map_.find(message.type());
-  if (receiver_iter == feature_receiver_map_.end()) {
-    DLOG(FATAL) << "No registered receiver for "
-                << BlimpMessageToDebugString(message) << ".";
-    return net::ERR_NOT_IMPLEMENTED;
-  }
-
-  return receiver_iter->second->OnBlimpMessage(message);
-}
-
-}  // namespace blimp