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| 1 // Copyright 2014 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 MOJO_SERVICES_NETWORK_UDP_SOCKET_IMPL_H_ | |
| 6 #define MOJO_SERVICES_NETWORK_UDP_SOCKET_IMPL_H_ | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 #include <stdint.h> | |
| 10 | |
| 11 #include <deque> | |
| 12 | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/ref_counted.h" | |
| 15 #include "mojo/public/cpp/bindings/strong_binding.h" | |
| 16 #include "mojo/services/network/public/interfaces/udp_socket.mojom.h" | |
| 17 #include "mojo/shell/public/cpp/message_loop_ref.h" | |
| 18 #include "net/base/ip_endpoint.h" | |
| 19 #include "net/udp/udp_socket.h" | |
| 20 | |
| 21 namespace net { | |
| 22 class IOBuffer; | |
| 23 class IOBufferWithSize; | |
| 24 } | |
| 25 | |
| 26 namespace mojo { | |
| 27 | |
| 28 class UDPSocketImpl : public UDPSocket { | |
| 29 public: | |
| 30 // The lifetime of a new UDPSocketImpl is bound to the connection associated | |
| 31 // with |request|. | |
| 32 UDPSocketImpl(InterfaceRequest<UDPSocket> request, | |
| 33 scoped_ptr<mojo::MessageLoopRef> app_refcount); | |
| 34 ~UDPSocketImpl() override; | |
| 35 | |
| 36 // UDPSocket implementation. | |
| 37 void AllowAddressReuse( | |
| 38 const Callback<void(NetworkErrorPtr)>& callback) override; | |
| 39 | |
| 40 void Bind(NetAddressPtr addr, | |
| 41 const Callback<void(NetworkErrorPtr, | |
| 42 NetAddressPtr, | |
| 43 InterfaceRequest<UDPSocketReceiver>)>& callback) | |
| 44 override; | |
| 45 | |
| 46 void Connect(NetAddressPtr remote_addr, | |
| 47 const Callback<void(NetworkErrorPtr, | |
| 48 NetAddressPtr, | |
| 49 InterfaceRequest<UDPSocketReceiver>)>& | |
| 50 callback) override; | |
| 51 | |
| 52 void SetSendBufferSize( | |
| 53 uint32_t size, | |
| 54 const Callback<void(NetworkErrorPtr)>& callback) override; | |
| 55 | |
| 56 void SetReceiveBufferSize( | |
| 57 uint32_t size, | |
| 58 const Callback<void(NetworkErrorPtr)>& callback) override; | |
| 59 | |
| 60 void NegotiateMaxPendingSendRequests( | |
| 61 uint32_t requested_size, | |
| 62 const Callback<void(uint32_t)>& callback) override; | |
| 63 | |
| 64 void ReceiveMore(uint32_t datagram_number) override; | |
| 65 | |
| 66 void SendTo(NetAddressPtr dest_addr, | |
| 67 Array<uint8_t> data, | |
| 68 const Callback<void(NetworkErrorPtr)>& callback) override; | |
| 69 | |
| 70 private: | |
| 71 enum State { | |
| 72 NOT_BOUND_OR_CONNECTED, | |
| 73 BOUND, | |
| 74 CONNECTED | |
| 75 }; | |
| 76 | |
| 77 struct PendingSendRequest { | |
| 78 PendingSendRequest(); | |
| 79 ~PendingSendRequest(); | |
| 80 | |
| 81 NetAddressPtr addr; | |
| 82 Array<uint8_t> data; | |
| 83 Callback<void(NetworkErrorPtr)> callback; | |
| 84 }; | |
| 85 | |
| 86 void DoRecvFrom(); | |
| 87 void DoSendTo(NetAddressPtr addr, | |
| 88 Array<uint8_t> data, | |
| 89 const Callback<void(NetworkErrorPtr)>& callback); | |
| 90 | |
| 91 void OnRecvFromCompleted(int net_result); | |
| 92 void OnSendToCompleted(const Callback<void(NetworkErrorPtr)>& callback, | |
| 93 int net_result); | |
| 94 | |
| 95 bool IsBoundOrConnected() const { | |
| 96 return state_ == BOUND || state_ == CONNECTED; | |
| 97 } | |
| 98 | |
| 99 StrongBinding<UDPSocket> binding_; | |
| 100 | |
| 101 net::UDPSocket socket_; | |
| 102 | |
| 103 State state_; | |
| 104 | |
| 105 bool allow_address_reuse_; | |
| 106 | |
| 107 // Non-null when there is a pending RecvFrom operation on |socket_|. | |
| 108 scoped_refptr<net::IOBuffer> recvfrom_buffer_; | |
| 109 // Non-null when there is a pending SendTo operation on |socket_|. | |
| 110 scoped_refptr<net::IOBufferWithSize> sendto_buffer_; | |
| 111 | |
| 112 // The address of the pending RecvFrom operation, if any. | |
| 113 net::IPEndPoint recvfrom_address_; | |
| 114 | |
| 115 // The interface which gets data from fulfilled receive requests. | |
| 116 UDPSocketReceiverPtr receiver_; | |
| 117 | |
| 118 // How many more packets the client side expects to receive. | |
| 119 size_t remaining_recv_slots_; | |
| 120 | |
| 121 // The queue owns the PendingSendRequest instances. | |
| 122 std::deque<PendingSendRequest*> pending_send_requests_; | |
| 123 // The maximum size of the |pending_send_requests_| queue. | |
| 124 size_t max_pending_send_requests_; | |
| 125 | |
| 126 scoped_ptr<mojo::MessageLoopRef> app_refcount_; | |
| 127 | |
| 128 DISALLOW_COPY_AND_ASSIGN(UDPSocketImpl); | |
| 129 }; | |
| 130 | |
| 131 } // namespace mojo | |
| 132 | |
| 133 #endif // MOJO_SERVICES_NETWORK_UDP_SOCKET_IMPL_H_ | |
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Chromium Code Reviews
Issue 1873463003:
Remove mojo network service. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master