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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef PPAPI_SHARED_IMPL_PRIVATE_UDP_SOCKET_PRIVATE_IMPL_H_ | |
| 6 #define PPAPI_SHARED_IMPL_PRIVATE_UDP_SOCKET_PRIVATE_IMPL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "ppapi/shared_impl/resource.h" | |
| 12 #include "ppapi/shared_impl/tracked_callback.h" | |
| 13 #include "ppapi/thunk/ppb_udp_socket_private_api.h" | |
| 14 | |
| 15 namespace ppapi { | |
| 16 | |
| 17 // This class provides the shared implementation of a | |
| 18 // PPB_UDPSocket_Private. The functions that actually send messages | |
| 19 // to browser are implemented differently for the proxied and | |
| 20 // non-proxied derived classes. | |
| 21 class PPAPI_SHARED_EXPORT UDPSocketPrivateImpl | |
| 22 : public thunk::PPB_UDPSocket_Private_API, | |
| 23 public Resource { | |
| 24 public: | |
| 25 // C-tor used in Impl case. | |
| 26 UDPSocketPrivateImpl(PP_Instance instance, uint32 socket_id); | |
| 27 // C-tor used in Proxy case. | |
| 28 UDPSocketPrivateImpl(const HostResource& resource, uint32 socket_id); | |
| 29 | |
| 30 virtual ~UDPSocketPrivateImpl(); | |
| 31 | |
| 32 // The maximum number of bytes that each PpapiHostMsg_PPBUDPSocket_RecvFrom | |
| 33 // message is allowed to request. | |
| 34 static const int32_t kMaxReadSize; | |
| 35 // The maximum number of bytes that each PpapiHostMsg_PPBUDPSocket_SendTo | |
| 36 // message is allowed to carry. | |
| 37 static const int32_t kMaxWriteSize; | |
| 38 | |
| 39 // Resource overrides. | |
| 40 virtual PPB_UDPSocket_Private_API* AsPPB_UDPSocket_Private_API() OVERRIDE; | |
| 41 | |
| 42 // PPB_UDPSocket_Private_API implementation. | |
| 43 virtual int32_t SetSocketFeature(PP_UDPSocketFeature_Private name, | |
| 44 PP_Var value) OVERRIDE; | |
| 45 virtual int32_t Bind(const PP_NetAddress_Private* addr, | |
| 46 scoped_refptr<TrackedCallback> callback) OVERRIDE; | |
| 47 virtual PP_Bool GetBoundAddress(PP_NetAddress_Private* addr) OVERRIDE; | |
| 48 virtual int32_t RecvFrom(char* buffer, | |
| 49 int32_t num_bytes, | |
| 50 scoped_refptr<TrackedCallback> callback) OVERRIDE; | |
| 51 virtual PP_Bool GetRecvFromAddress(PP_NetAddress_Private* addr) OVERRIDE; | |
| 52 virtual int32_t SendTo(const char* buffer, | |
| 53 int32_t num_bytes, | |
| 54 const PP_NetAddress_Private* addr, | |
| 55 scoped_refptr<TrackedCallback> callback) OVERRIDE; | |
| 56 virtual void Close() OVERRIDE; | |
| 57 | |
| 58 // Notifications from the proxy. | |
| 59 void OnBindCompleted(bool succeeded, | |
| 60 const PP_NetAddress_Private& bound_addr); | |
| 61 void OnRecvFromCompleted(bool succeeded, | |
| 62 const std::string& data, | |
| 63 const PP_NetAddress_Private& addr); | |
| 64 void OnSendToCompleted(bool succeeded, int32_t bytes_written); | |
| 65 | |
| 66 // Send functions that need to be implemented differently for | |
| 67 // the proxied and non-proxied derived classes. | |
| 68 virtual void SendBoolSocketFeature(int32_t name, bool value) = 0; | |
| 69 virtual void SendBind(const PP_NetAddress_Private& addr) = 0; | |
| 70 virtual void SendRecvFrom(int32_t num_bytes) = 0; | |
| 71 virtual void SendSendTo(const std::string& buffer, | |
| 72 const PP_NetAddress_Private& addr) = 0; | |
| 73 virtual void SendClose() = 0; | |
| 74 | |
| 75 protected: | |
| 76 void Init(uint32 socket_id); | |
| 77 void PostAbortIfNecessary(scoped_refptr<TrackedCallback>* callback); | |
| 78 | |
| 79 uint32 socket_id_; | |
| 80 | |
| 81 bool bound_; | |
| 82 bool closed_; | |
| 83 | |
| 84 scoped_refptr<TrackedCallback> bind_callback_; | |
| 85 scoped_refptr<TrackedCallback> recvfrom_callback_; | |
| 86 scoped_refptr<TrackedCallback> sendto_callback_; | |
| 87 | |
| 88 char* read_buffer_; | |
| 89 int32_t bytes_to_read_; | |
| 90 | |
| 91 PP_NetAddress_Private recvfrom_addr_; | |
| 92 PP_NetAddress_Private bound_addr_; | |
| 93 | |
| 94 DISALLOW_COPY_AND_ASSIGN(UDPSocketPrivateImpl); | |
| 95 }; | |
| 96 | |
| 97 } // namespace ppapi | |
| 98 | |
| 99 #endif // PPAPI_SHARED_IMPL_PRIVATE_UDP_SOCKET_PRIVATE_IMPL_H_ | |
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