mirror of https://github.com/opencardev/aasdk
159 lines
5.2 KiB
C++
159 lines
5.2 KiB
C++
|
/*
|
||
|
* This file is part of aasdk library project.
|
||
|
* Copyright (C) 2018 f1x.studio (Michal Szwaj)
|
||
|
*
|
||
|
* aasdk is free software: you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU General Public License as published by
|
||
|
* the Free Software Foundation; either version 3 of the License, or
|
||
|
* (at your option) any later version.
|
||
|
|
||
|
* aasdk is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
* GNU General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU General Public License
|
||
|
* along with aasdk. If not, see <http://www.gnu.org/licenses/>.
|
||
|
*/
|
||
|
|
||
|
#include <f1x/aasdk/Messenger/MessageInStream.hpp>
|
||
|
#include <f1x/aasdk/Error/Error.hpp>
|
||
|
|
||
|
namespace f1x
|
||
|
{
|
||
|
namespace aasdk
|
||
|
{
|
||
|
namespace messenger
|
||
|
{
|
||
|
|
||
|
MessageInStream::MessageInStream(boost::asio::io_service& ioService, transport::ITransport::Pointer transport, ICryptor::Pointer cryptor)
|
||
|
: strand_(ioService)
|
||
|
, transport_(std::move(transport))
|
||
|
, cryptor_(std::move(cryptor))
|
||
|
{
|
||
|
|
||
|
}
|
||
|
|
||
|
void MessageInStream::startReceive(ReceivePromise::Pointer promise)
|
||
|
{
|
||
|
strand_.dispatch([this, self = this->shared_from_this(), promise = std::move(promise)]() mutable {
|
||
|
if(promise_ == nullptr)
|
||
|
{
|
||
|
promise_ = std::move(promise);
|
||
|
|
||
|
auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
|
||
|
transportPromise->then(
|
||
|
[this, self = this->shared_from_this()](common::Data data) mutable {
|
||
|
this->receiveFrameHeaderHandler(common::DataConstBuffer(data));
|
||
|
},
|
||
|
[this, self = this->shared_from_this()](const error::Error& e) mutable {
|
||
|
promise_->reject(e);
|
||
|
promise_.reset();
|
||
|
});
|
||
|
|
||
|
transport_->receive(FrameHeader::getSizeOf(), std::move(transportPromise));
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
promise->reject(error::Error(error::ErrorCode::OPERATION_IN_PROGRESS));
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
|
||
|
void MessageInStream::receiveFrameHeaderHandler(const common::DataConstBuffer& buffer)
|
||
|
{
|
||
|
FrameHeader frameHeader(buffer);
|
||
|
|
||
|
if(message_ == nullptr)
|
||
|
{
|
||
|
message_ = std::make_shared<Message>(frameHeader.getChannelId(), frameHeader.getEncryptionType(), frameHeader.getMessageType());
|
||
|
}
|
||
|
else if(message_->getChannelId() != frameHeader.getChannelId())
|
||
|
{
|
||
|
message_.reset();
|
||
|
promise_->reject(error::Error(error::ErrorCode::MESSENGER_INTERTWINED_CHANNELS));
|
||
|
promise_.reset();
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
recentFrameType_ = frameHeader.getType();
|
||
|
const size_t frameSize = FrameSize::getSizeOf(frameHeader.getType() == FrameType::FIRST ? FrameSizeType::EXTENDED : FrameSizeType::SHORT);
|
||
|
|
||
|
auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
|
||
|
transportPromise->then(
|
||
|
[this, self = this->shared_from_this()](common::Data data) mutable {
|
||
|
this->receiveFrameSizeHandler(common::DataConstBuffer(data));
|
||
|
},
|
||
|
[this, self = this->shared_from_this()](const error::Error& e) mutable {
|
||
|
message_.reset();
|
||
|
promise_->reject(e);
|
||
|
promise_.reset();
|
||
|
});
|
||
|
|
||
|
transport_->receive(frameSize, std::move(transportPromise));
|
||
|
}
|
||
|
|
||
|
void MessageInStream::receiveFrameSizeHandler(const common::DataConstBuffer& buffer)
|
||
|
{
|
||
|
auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
|
||
|
transportPromise->then(
|
||
|
[this, self = this->shared_from_this()](common::Data data) mutable {
|
||
|
this->receiveFramePayloadHandler(common::DataConstBuffer(data));
|
||
|
},
|
||
|
[this, self = this->shared_from_this()](const error::Error& e) mutable {
|
||
|
message_.reset();
|
||
|
promise_->reject(e);
|
||
|
promise_.reset();
|
||
|
});
|
||
|
|
||
|
FrameSize frameSize(buffer);
|
||
|
transport_->receive(frameSize.getSize(), std::move(transportPromise));
|
||
|
}
|
||
|
|
||
|
void MessageInStream::receiveFramePayloadHandler(const common::DataConstBuffer& buffer)
|
||
|
{
|
||
|
if(message_->getEncryptionType() == EncryptionType::ENCRYPTED)
|
||
|
{
|
||
|
try
|
||
|
{
|
||
|
cryptor_->decrypt(message_->getPayload(), buffer);
|
||
|
}
|
||
|
catch(const error::Error& e)
|
||
|
{
|
||
|
message_.reset();
|
||
|
promise_->reject(e);
|
||
|
promise_.reset();
|
||
|
return;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
message_->insertPayload(buffer);
|
||
|
}
|
||
|
|
||
|
if(recentFrameType_ == FrameType::BULK || recentFrameType_ == FrameType::LAST)
|
||
|
{
|
||
|
promise_->resolve(std::move(message_));
|
||
|
promise_.reset();
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
|
||
|
transportPromise->then(
|
||
|
[this, self = this->shared_from_this()](common::Data data) mutable {
|
||
|
this->receiveFrameHeaderHandler(common::DataConstBuffer(data));
|
||
|
},
|
||
|
[this, self = this->shared_from_this()](const error::Error& e) mutable {
|
||
|
message_.reset();
|
||
|
promise_->reject(e);
|
||
|
promise_.reset();
|
||
|
});
|
||
|
|
||
|
transport_->receive(FrameHeader::getSizeOf(), std::move(transportPromise));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
}
|
||
|
}
|
||
|
}
|