| // Copyright 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. |
| |
| #ifndef CONTENT_BROWSER_WEBSOCKETS_WEBSOCKET_IMPL_H_ |
| #define CONTENT_BROWSER_WEBSOCKETS_WEBSOCKET_IMPL_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/time/time.h" |
| #include "content/common/content_export.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "third_party/WebKit/public/platform/modules/websockets/websocket.mojom.h" |
| |
| class GURL; |
| |
| namespace url { |
| class Origin; |
| } // namespace url |
| |
| namespace net { |
| class WebSocketChannel; |
| } // namespace net |
| |
| namespace content { |
| class StoragePartition; |
| |
| // Host of net::WebSocketChannel. |
| class CONTENT_EXPORT WebSocketImpl |
| : NON_EXPORTED_BASE(public blink::mojom::WebSocket) { |
| public: |
| class Delegate { |
| public: |
| virtual ~Delegate() {} |
| virtual int GetClientProcessId() = 0; |
| virtual StoragePartition* GetStoragePartition() = 0; |
| virtual void OnReceivedResponseFromServer(WebSocketImpl* impl) = 0; |
| virtual void OnLostConnectionToClient(WebSocketImpl* impl) = 0; |
| }; |
| |
| WebSocketImpl(Delegate* delegate, |
| blink::mojom::WebSocketRequest request, |
| int child_id, |
| int frame_id, |
| base::TimeDelta delay); |
| ~WebSocketImpl() override; |
| |
| // The renderer process is going away. |
| // This function is virtual for testing. |
| virtual void GoAway(); |
| |
| // blink::mojom::WebSocket methods: |
| void AddChannelRequest(const GURL& url, |
| const std::vector<std::string>& requested_protocols, |
| const url::Origin& origin, |
| const GURL& first_party_for_cookies, |
| const std::string& user_agent_override, |
| blink::mojom::WebSocketClientPtr client) override; |
| void SendFrame(bool fin, |
| blink::mojom::WebSocketMessageType type, |
| const std::vector<uint8_t>& data) override; |
| void SendFlowControl(int64_t quota) override; |
| void StartClosingHandshake(uint16_t code, const std::string& reason) override; |
| |
| bool handshake_succeeded() const { return handshake_succeeded_; } |
| void OnHandshakeSucceeded() { handshake_succeeded_ = true; } |
| |
| protected: |
| class WebSocketEventHandler; |
| |
| void OnConnectionError(); |
| void AddChannel(const GURL& socket_url, |
| const std::vector<std::string>& requested_protocols, |
| const url::Origin& origin, |
| const GURL& first_party_for_cookies, |
| const std::string& user_agent_override); |
| |
| Delegate* delegate_; |
| mojo::Binding<blink::mojom::WebSocket> binding_; |
| |
| blink::mojom::WebSocketClientPtr client_; |
| |
| // The channel we use to send events to the network. |
| std::unique_ptr<net::WebSocketChannel> channel_; |
| |
| // Delay used for per-renderer WebSocket throttling. |
| base::TimeDelta delay_; |
| |
| // SendFlowControl() is delayed when OnFlowControl() is called before |
| // AddChannel() is called. |
| // Zero indicates there is no pending SendFlowControl(). |
| int64_t pending_flow_control_quota_; |
| |
| int child_id_; |
| int frame_id_; |
| |
| // handshake_succeeded_ is set and used by WebSocketManager to manage |
| // counters for per-renderer WebSocket throttling. |
| bool handshake_succeeded_; |
| |
| base::WeakPtrFactory<WebSocketImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebSocketImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_WEBSOCKETS_WEBSOCKET_IMPL_H_ |