| OLD | NEW |
| (Empty) |
| 1 // Copyright 2015 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 #include "blimp/net/blimp_message_checkpointer.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "blimp/common/create_blimp_message.h" | |
| 9 #include "blimp/common/proto/blimp_message.pb.h" | |
| 10 #include "blimp/common/proto/protocol_control.pb.h" | |
| 11 #include "blimp/net/blimp_message_checkpoint_observer.h" | |
| 12 #include "net/base/net_errors.h" | |
| 13 | |
| 14 namespace blimp { | |
| 15 | |
| 16 namespace { | |
| 17 const int kDeferCheckpointAckSeconds = 1; | |
| 18 } | |
| 19 | |
| 20 BlimpMessageCheckpointer::BlimpMessageCheckpointer( | |
| 21 BlimpMessageProcessor* incoming_processor, | |
| 22 BlimpMessageProcessor* outgoing_processor, | |
| 23 BlimpMessageCheckpointObserver* checkpoint_observer) | |
| 24 : incoming_processor_(incoming_processor), | |
| 25 outgoing_processor_(outgoing_processor), | |
| 26 checkpoint_observer_(checkpoint_observer), | |
| 27 weak_factory_(this) { | |
| 28 DCHECK(incoming_processor_); | |
| 29 DCHECK(outgoing_processor_); | |
| 30 DCHECK(checkpoint_observer_); | |
| 31 } | |
| 32 | |
| 33 BlimpMessageCheckpointer::~BlimpMessageCheckpointer() {} | |
| 34 | |
| 35 void BlimpMessageCheckpointer::ProcessMessage( | |
| 36 std::unique_ptr<BlimpMessage> message, | |
| 37 const net::CompletionCallback& callback) { | |
| 38 if (message->has_protocol_control()) { | |
| 39 if (message->protocol_control().has_checkpoint_ack() && | |
| 40 message->protocol_control().checkpoint_ack().has_checkpoint_id()) { | |
| 41 checkpoint_observer_->OnMessageCheckpoint( | |
| 42 message->protocol_control().checkpoint_ack().checkpoint_id()); | |
| 43 callback.Run(net::OK); | |
| 44 } else { | |
| 45 DLOG(WARNING) << "Invalid checkpoint ACK. Dropping connection."; | |
| 46 callback.Run(net::ERR_FAILED); | |
| 47 } | |
| 48 | |
| 49 return; | |
| 50 } | |
| 51 | |
| 52 // TODO(wez): Provide independent checkpoints for each message->type()? | |
| 53 DCHECK(message->has_message_id()); | |
| 54 | |
| 55 // Store the message-Id to include in the checkpoint ACK. | |
| 56 checkpoint_id_ = message->message_id(); | |
| 57 | |
| 58 // Kick the timer, if not running, to ACK after a short delay. | |
| 59 if (!defer_timer_.IsRunning()) { | |
| 60 defer_timer_.Start(FROM_HERE, | |
| 61 base::TimeDelta::FromSeconds(kDeferCheckpointAckSeconds), | |
| 62 this, &BlimpMessageCheckpointer::SendCheckpointAck); | |
| 63 } | |
| 64 | |
| 65 // Pass the message along for actual processing. | |
| 66 incoming_processor_->ProcessMessage( | |
| 67 std::move(message), | |
| 68 base::Bind(&BlimpMessageCheckpointer::InvokeCompletionCallback, | |
| 69 weak_factory_.GetWeakPtr(), callback)); | |
| 70 } | |
| 71 | |
| 72 void BlimpMessageCheckpointer::InvokeCompletionCallback( | |
| 73 const net::CompletionCallback& callback, | |
| 74 int result) { | |
| 75 callback.Run(result); | |
| 76 } | |
| 77 | |
| 78 void BlimpMessageCheckpointer::SendCheckpointAck() { | |
| 79 outgoing_processor_->ProcessMessage( | |
| 80 CreateCheckpointAckMessage(checkpoint_id_), net::CompletionCallback()); | |
| 81 } | |
| 82 | |
| 83 } // namespace blimp | |
| OLD | NEW |