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 // A toy server, which listens on a specified address for QUIC traffic and 6 // handles incoming responses. 7 8 #ifndef NET_QUIC_QUIC_SERVER_H_ 9 #define NET_QUIC_QUIC_SERVER_H_ 10 11 #include "base/basictypes.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "net/base/io_buffer.h" 14 #include "net/base/ip_endpoint.h" 15 #include "net/base/net_log.h" 16 #include "net/quic/crypto/quic_crypto_server_config.h" 17 #include "net/quic/quic_clock.h" 18 #include "net/quic/quic_config.h" 19 #include "net/quic/quic_connection_helper.h" 20 21 namespace net { 22 23 24 namespace test { 25 class QuicServerPeer; 26 } // namespace test 27 28 class QuicDispatcher; 29 class UDPServerSocket; 30 31 class QuicServer { 32 public: 33 QuicServer(const QuicConfig& config, 34 const QuicVersionVector& supported_versions); 35 36 virtual ~QuicServer(); 37 38 // Start listening on the specified address. Returns an error code. 39 int Listen(const IPEndPoint& address); 40 41 // Server deletion is imminent. Start cleaning up. 42 void Shutdown(); 43 44 // Start reading on the socket. On asynchronous reads, this registers 45 // OnReadComplete as the callback, which will then call StartReading again. 46 void StartReading(); 47 48 // Called on reads that complete asynchronously. Dispatches the packet and 49 // continues the read loop. 50 void OnReadComplete(int result); 51 52 void SetStrikeRegisterNoStartupPeriod() { 53 crypto_config_.set_strike_register_no_startup_period(); 54 } 55 56 // SetProofSource sets the ProofSource that will be used to verify the 57 // server's certificate, and takes ownership of |source|. 58 void SetProofSource(ProofSource* source) { 59 crypto_config_.SetProofSource(source); 60 } 61 62 private: 63 friend class net::test::QuicServerPeer; 64 65 // Initialize the internal state of the server. 66 void Initialize(); 67 68 // Accepts data from the framer and demuxes clients to sessions. 69 scoped_ptr<QuicDispatcher> dispatcher_; 70 71 // Used by the helper_ to time alarms. 72 QuicClock clock_; 73 74 // Used to manage the message loop. 75 QuicConnectionHelper helper_; 76 77 // Listening socket. Also used for outbound client communication. 78 scoped_ptr<UDPServerSocket> socket_; 79 80 // config_ contains non-crypto parameters that are negotiated in the crypto 81 // handshake. 82 QuicConfig config_; 83 // crypto_config_ contains crypto parameters for the handshake. 84 QuicCryptoServerConfig crypto_config_; 85 86 // This vector contains QUIC versions which we currently support. 87 // This should be ordered such that the highest supported version is the first 88 // element, with subsequent elements in descending order (versions can be 89 // skipped as necessary). 90 QuicVersionVector supported_versions_; 91 92 // The address that the server listens on. 93 IPEndPoint server_address_; 94 95 // Keeps track of whether a read is currently in flight, after which 96 // OnReadComplete will be called. 97 bool read_pending_; 98 99 // The number of iterations of the read loop that have completed synchronously 100 // and without posting a new task to the message loop. 101 int synchronous_read_count_; 102 103 // The target buffer of the current read. 104 scoped_refptr<IOBufferWithSize> read_buffer_; 105 106 // The source address of the current read. 107 IPEndPoint client_address_; 108 109 // The log to use for the socket. 110 NetLog net_log_; 111 112 base::WeakPtrFactory<QuicServer> weak_factory_; 113 114 DISALLOW_COPY_AND_ASSIGN(QuicServer); 115 }; 116 117 } // namespace net 118 119 #endif // NET_QUIC_QUIC_SERVER_H_ 120