Jerome Poichet | 7c99785 | 2014-05-20 10:50:05 -0700 | [diff] [blame^] | 1 | // Copyright 2012 Google Inc. All Rights Reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #include "polo/pairing/serverpairingsession.h" |
| 16 | |
| 17 | #include <glog/logging.h> |
| 18 | #include "polo/pairing/polochallengeresponse.h" |
| 19 | #include "polo/util/poloutil.h" |
| 20 | |
| 21 | namespace polo { |
| 22 | namespace pairing { |
| 23 | |
| 24 | ServerPairingSession::ServerPairingSession(wire::PoloWireAdapter *wire, |
| 25 | PairingContext *context, |
| 26 | PoloChallengeResponse* challenge, |
| 27 | const std::string& server_name) |
| 28 | : PairingSession(wire, context, challenge), |
| 29 | server_name_(server_name) { |
| 30 | } |
| 31 | |
| 32 | ServerPairingSession::~ServerPairingSession() { |
| 33 | } |
| 34 | |
| 35 | void ServerPairingSession::DoInitializationPhase() { |
| 36 | LOG(INFO) << "Waiting for PairingRequest..."; |
| 37 | wire()->GetNextMessage(); |
| 38 | } |
| 39 | |
| 40 | void ServerPairingSession::DoConfigurationPhase() { |
| 41 | LOG(INFO) << "Waiting for Configuration..."; |
| 42 | wire()->GetNextMessage(); |
| 43 | } |
| 44 | |
| 45 | void ServerPairingSession::OnPairingRequestMessage( |
| 46 | const message::PairingRequestMessage& message) { |
| 47 | set_service_name(message.service_name()); |
| 48 | |
| 49 | if (message.has_client_name()) { |
| 50 | set_peer_name(message.client_name()); |
| 51 | } |
| 52 | |
| 53 | message::PairingRequestAckMessage ack(service_name()); |
| 54 | wire()->SendPairingRequestAckMessage(ack); |
| 55 | |
| 56 | LOG(INFO) << "Waiting for Options..."; |
| 57 | wire()->GetNextMessage(); |
| 58 | } |
| 59 | |
| 60 | void ServerPairingSession::OnOptionsMessage( |
| 61 | const message::OptionsMessage& message) { |
| 62 | // The client is responsible for negotiating a valid configuration, so just |
| 63 | // send the server options. |
| 64 | wire()->SendOptionsMessage(local_options()); |
| 65 | |
| 66 | DoConfigurationPhase(); |
| 67 | } |
| 68 | |
| 69 | void ServerPairingSession::OnConfigurationMessage( |
| 70 | const message::ConfigurationMessage& message) { |
| 71 | if (!SetConfiguration(message)) { |
| 72 | wire()->SendErrorMessage(kErrorBadConfiguration); |
| 73 | listener()->OnError(kErrorBadConfiguration); |
| 74 | return; |
| 75 | } |
| 76 | |
| 77 | const encoding::EncodingOption& encoding = message.encoding(); |
| 78 | |
| 79 | if (GetLocalRole() == message::OptionsMessage::kDisplayDevice) { |
| 80 | if (!local_options().SupportsOutputEncoding(encoding)) { |
| 81 | LOG(ERROR) << "Unsupported output encoding requested: " |
| 82 | << encoding.encoding_type(); |
| 83 | wire()->SendErrorMessage(kErrorBadConfiguration); |
| 84 | listener()->OnError(kErrorBadConfiguration); |
| 85 | return; |
| 86 | } |
| 87 | } else { |
| 88 | if (!local_options().SupportsInputEncoding(encoding)) { |
| 89 | LOG(ERROR) << "Unsupported input encoding requested: " |
| 90 | << encoding.encoding_type(); |
| 91 | wire()->SendErrorMessage(kErrorBadConfiguration); |
| 92 | listener()->OnError(kErrorBadConfiguration); |
| 93 | return; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | message::ConfigurationAckMessage ack; |
| 98 | wire()->SendConfigurationAckMessage(ack); |
| 99 | |
| 100 | DoPairingPhase(); |
| 101 | } |
| 102 | |
| 103 | void ServerPairingSession::OnConfigurationAckMessage( |
| 104 | const message::ConfigurationAckMessage& message) { |
| 105 | LOG(ERROR) << "Received unexpected ConfigurationAckMessage"; |
| 106 | wire()->SendErrorMessage(kErrorProtocol); |
| 107 | listener()->OnError(kErrorProtocol); |
| 108 | } |
| 109 | |
| 110 | void ServerPairingSession::OnPairingRequestAckMessage( |
| 111 | const message::PairingRequestAckMessage& message) { |
| 112 | LOG(ERROR) << "Received unexpected PairingRequestAckMessage"; |
| 113 | wire()->SendErrorMessage(kErrorProtocol); |
| 114 | listener()->OnError(kErrorProtocol); |
| 115 | } |
| 116 | |
| 117 | } // namespace pairing |
| 118 | } // namespace polo |