1 // Copyright 2016 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_EDK_SYSTEM_PORTS_PORT_H_ 6 #define MOJO_EDK_SYSTEM_PORTS_PORT_H_ 7 8 #include <memory> 9 #include <queue> 10 #include <utility> 11 #include <vector> 12 13 #include "base/macros.h" 14 #include "base/memory/ref_counted.h" 15 #include "base/synchronization/lock.h" 16 #include "mojo/edk/system/ports/message_queue.h" 17 #include "mojo/edk/system/ports/user_data.h" 18 19 namespace mojo { 20 namespace edk { 21 namespace ports { 22 23 class Port : public base::RefCountedThreadSafe<Port> { 24 public: 25 enum State { 26 kUninitialized, 27 kReceiving, 28 kBuffering, 29 kProxying, 30 kClosed 31 }; 32 33 base::Lock lock; 34 State state; 35 NodeName peer_node_name; 36 PortName peer_port_name; 37 uint64_t next_sequence_num_to_send; 38 uint64_t last_sequence_num_to_receive; 39 MessageQueue message_queue; 40 std::unique_ptr<std::pair<NodeName, ScopedMessage>> send_on_proxy_removal; 41 scoped_refptr<UserData> user_data; 42 bool remove_proxy_on_last_message; 43 bool peer_closed; 44 45 Port(uint64_t next_sequence_num_to_send, 46 uint64_t next_sequence_num_to_receive); 47 48 private: 49 friend class base::RefCountedThreadSafe<Port>; 50 51 ~Port(); 52 53 DISALLOW_COPY_AND_ASSIGN(Port); 54 }; 55 56 } // namespace ports 57 } // namespace edk 58 } // namespace mojo 59 60 #endif // MOJO_EDK_SYSTEM_PORTS_PORT_H_ 61
