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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DEBUG_DEBUG_WEB_SERVER_H_
#define COBALT_DEBUG_DEBUG_WEB_SERVER_H_
#include <string>
#include "base/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "base/optional.h"
#include "base/threading/thread.h"
#include "base/values.h"
#include "cobalt/base/c_val.h"
#include "cobalt/debug/debug_client.h"
#include "cobalt/debug/debug_server.h"
#include "net/base/stream_listen_socket.h"
#include "net/server/http_server.h"
namespace cobalt {
namespace debug {
// This class implements the net::HttpServer::Delegate interface, and
// is registered with a net::HttpServer instance that this class owns.
//
// Also implements the DebugClient::Delegate interface, to receive events
// from the DebugClient instance, |debug_client_|, owned by this class.
class DebugWebServer : public net::HttpServer::Delegate,
public DebugClient::Delegate {
public:
// Callback to get the debug server. The debug server is owned by the
// WebModule it connects to, and this class can get a reference to is using
// a callback specified in the constructor.
typedef base::Callback<DebugServer*()> GetDebugServerCallback;
DebugWebServer(int port,
const GetDebugServerCallback& get_debug_server_callback);
~DebugWebServer();
protected:
// net::HttpServer::Delegate implementation.
void OnHttpRequest(int connection_id,
const net::HttpServerRequestInfo& info) override;
void OnWebSocketRequest(int connection_id,
const net::HttpServerRequestInfo& info) override;
void OnWebSocketMessage(int connection_id, const std::string& json) override;
void OnClose(int connection_id) override {
UNREFERENCED_PARAMETER(connection_id);
}
// Debugger command response handler.
void OnDebuggerResponse(int id, const base::optional<std::string>& response);
// DebugClient::Delegate implementation.
void OnDebugClientEvent(
const std::string& method,
const base::optional<std::string>& json_params) override;
void OnDebugClientDetach(const std::string& reason) override;
private:
int GetLocalAddress(std::string* out) const;
void StartServer(int port);
void StopServer();
void SendErrorResponseOverWebSocket(int id, const std::string& message);
base::ThreadChecker thread_checker_;
base::Thread http_server_thread_;
scoped_ptr<net::StreamListenSocketFactory> factory_;
// net::HttpServer is a ref-counted object, so we have to use scoped_refptr.
scoped_refptr<net::HttpServer> server_;
GetDebugServerCallback get_debug_server_callback_;
// The debug client that connects to the server.
scoped_ptr<DebugClient> debug_client_;
int websocket_id_;
base::CVal<std::string> local_address_;
FilePath content_root_dir_;
};
} // namespace debug
} // namespace cobalt
#endif // COBALT_DEBUG_DEBUG_WEB_SERVER_H_