Add Pepper API to use UDP

ppapi/proxy/ppb_flash_udp_socket_proxy.h

+// Copyright (c) 2011 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 PPAPI_PROXY_PPB_FLASH_UDP_SOCKET_PROXY_H_
+#define PPAPI_PROXY_PPB_FLASH_UDP_SOCKET_PROXY_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/private/ppb_flash_udp_socket.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+namespace ppapi {
+namespace proxy {
+
+// The maximum number of bytes that each PpapiHostMsg_PPBFlashUDPSocket_RecvFrom
+// message is allowed to request.
+extern const int32_t kFlashUDPSocketMaxReadSize;
+// The maximum number of bytes that each PpapiHostMsg_PPBFlashUDPSocket_SendTo
+// message is allowed to carry.
+extern const int32_t kFlashUDPSocketMaxWriteSize;
+
+class PPB_Flash_UDPSocket_Proxy : public InterfaceProxy {
+ public:
+  PPB_Flash_UDPSocket_Proxy(Dispatcher* dispatcher);
+  virtual ~PPB_Flash_UDPSocket_Proxy();
+
+  static const Info* GetInfo();
+
+  static PP_Resource CreateProxyResource(PP_Instance instance);
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  // Browser->plugin message handlers.
+  void OnMsgBindACK(uint32 plugin_dispatcher_id,
+                    uint32 socket_id,
+                    bool succeeded);
+  void OnMsgRecvFromACK(uint32 plugin_dispatcher_id,
+                        uint32 socket_id,
+                        bool succeeded,
+                        const std::string& data,
+                        const PP_Flash_NetAddress& addr);
+  void OnMsgSendToACK(uint32 plugin_dispatcher_id,
+                      uint32 socket_id,
+                      bool succeeded,
+                      int32_t bytes_written);
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Flash_UDPSocket_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_PPB_FLASH_UDP_SOCKET_PROXY_H_
+