mirror of https://github.com/opencardev/aasdk
Rework Message Handling.
Slight tweaks - Add isInterleaved boolean - If message is NULL and Frame Type is MIDDLE or LAST, then look for an existing message in buffer (if the message_ is null, then we need a FIRST or BULK frame) - If message is still NULL, then we will create a new message, but recognise it as a valid frame ONLY if this is a FIRST or BULK frame because we cannot start on a MIDDLE or LAST. - Rename recentFrameType to thisFrameType for more accuracy - Only Resolve the Frame if the frame is BULK or LAST and the frame is valid. - If the frame is interleaved, then we will use our interleavedPromise handler. Only resolve the main promise if the frame is not interleaved. - Also reset message once resolved. - Carry on reading if the original promise is not resolved (ie FIRST, MIDDLE, or Interleaved frame) - Add some counters for debugging purposes.pull/15/head
parent
5f4220b059
commit
f80e72c480
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@ -35,7 +35,8 @@ public:
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IMessageInStream() = default;
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IMessageInStream() = default;
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virtual ~IMessageInStream() = default;
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virtual ~IMessageInStream() = default;
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virtual void startReceive(ReceivePromise::Pointer promise) = 0;
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virtual void startReceive(ReceivePromise::Pointer promise, ChannelId channelId, int promiseIndex, int messageIndex) = 0;
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virtual void setInterleavedHandler(ReceivePromise::Pointer promise) = 0;
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};
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};
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}
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}
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@ -37,7 +37,8 @@ class MessageInStream: public IMessageInStream, public std::enable_shared_from_t
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public:
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public:
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MessageInStream(boost::asio::io_service& ioService, transport::ITransport::Pointer transport, ICryptor::Pointer cryptor);
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MessageInStream(boost::asio::io_service& ioService, transport::ITransport::Pointer transport, ICryptor::Pointer cryptor);
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void startReceive(ReceivePromise::Pointer promise) override;
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void startReceive(ReceivePromise::Pointer promise, ChannelId channelId, int promiseIndex, int messageIndex) override;
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void setInterleavedHandler(ReceivePromise::Pointer promise) override;
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private:
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private:
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using std::enable_shared_from_this<MessageInStream>::shared_from_this;
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using std::enable_shared_from_this<MessageInStream>::shared_from_this;
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@ -49,10 +50,18 @@ private:
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boost::asio::io_service::strand strand_;
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boost::asio::io_service::strand strand_;
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transport::ITransport::Pointer transport_;
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transport::ITransport::Pointer transport_;
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ICryptor::Pointer cryptor_;
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ICryptor::Pointer cryptor_;
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FrameType recentFrameType_;
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FrameType thisFrameType_;
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ReceivePromise::Pointer promise_;
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ReceivePromise::Pointer promise_;
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ReceivePromise::Pointer interleavedPromise_;
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Message::Pointer message_;
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Message::Pointer message_;
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std::map<messenger::ChannelId, Message::Pointer> messageBuffer_;
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std::map<messenger::ChannelId, Message::Pointer> messageBuffer_;
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int frameSize_;
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bool isInterleaved_;
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bool isValidFrame_;
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int currentMessageIndex_;
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};
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};
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}
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}
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@ -47,7 +47,9 @@ private:
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void inStreamMessageHandler(Message::Pointer message);
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void inStreamMessageHandler(Message::Pointer message);
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void outStreamMessageHandler(ChannelSendQueue::iterator queueElement);
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void outStreamMessageHandler(ChannelSendQueue::iterator queueElement);
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void rejectReceivePromiseQueue(const error::Error& e);
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void rejectReceivePromiseQueue(const error::Error& e);
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void interleavedMessageHandler(Message::Pointer message);
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void rejectSendPromiseQueue(const error::Error& e);
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void rejectSendPromiseQueue(const error::Error& e);
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void rejectInterleavedMessageHandler(const error::Error& e);
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boost::asio::io_service::strand receiveStrand_;
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boost::asio::io_service::strand receiveStrand_;
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boost::asio::io_service::strand sendStrand_;
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boost::asio::io_service::strand sendStrand_;
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@ -57,6 +59,9 @@ private:
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ChannelReceivePromiseQueue channelReceivePromiseQueue_;
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ChannelReceivePromiseQueue channelReceivePromiseQueue_;
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ChannelReceiveMessageQueue channelReceiveMessageQueue_;
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ChannelReceiveMessageQueue channelReceiveMessageQueue_;
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ChannelSendQueue channelSendPromiseQueue_;
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ChannelSendQueue channelSendPromiseQueue_;
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int currentPromiseIndex_;
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int currentMessageIndex_;
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};
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};
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}
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}
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@ -18,7 +18,8 @@
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#include <aasdk/Messenger/MessageInStream.hpp>
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#include <aasdk/Messenger/MessageInStream.hpp>
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#include <aasdk/Error/Error.hpp>
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#include <aasdk/Error/Error.hpp>
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#include <aasdk/Common/Log.hpp>
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#include <iostream>
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namespace aasdk
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namespace aasdk
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{
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{
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@ -30,65 +31,87 @@ MessageInStream::MessageInStream(boost::asio::io_service& ioService, transport::
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, transport_(std::move(transport))
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, transport_(std::move(transport))
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, cryptor_(std::move(cryptor))
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, cryptor_(std::move(cryptor))
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{
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{
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currentMessageIndex_ = 0;
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}
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}
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void MessageInStream::startReceive(ReceivePromise::Pointer promise)
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void MessageInStream::startReceive(ReceivePromise::Pointer promise, ChannelId channelId, int promiseIndex, int messageIndex)
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{
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{
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strand_.dispatch([this, self = this->shared_from_this(), promise = std::move(promise)]() mutable {
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AASDK_LOG(debug) << "[MessageInStream] 1. Start Receive called with channel " << channelIdToString(channelId) << " PI " << std::to_string(promiseIndex) << " MI " << std::to_string(messageIndex);
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if(promise_ == nullptr)
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{
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promise_ = std::move(promise);
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strand_.dispatch([this, self = this->shared_from_this(), promise = std::move(promise)]() mutable {
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if (promise_ == nullptr) {
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promise_ = std::move(promise);
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auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
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auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
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transportPromise->then(
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transportPromise->then(
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[this, self = this->shared_from_this()](common::Data data) mutable {
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[this, self = this->shared_from_this()](common::Data data) mutable {
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this->receiveFrameHeaderHandler(common::DataConstBuffer(data));
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this->receiveFrameHeaderHandler(common::DataConstBuffer(data));
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},
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},
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[this, self = this->shared_from_this()](const error::Error& e) mutable {
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[this, self = this->shared_from_this()](const error::Error &e) mutable {
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promise_->reject(e);
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AASDK_LOG(debug) << "[MessageInStream] 2. Error Here?";
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promise_.reset();
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promise_->reject(e);
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});
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promise_.reset();
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});
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transport_->receive(FrameHeader::getSizeOf(), std::move(transportPromise));
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transport_->receive(FrameHeader::getSizeOf(), std::move(transportPromise));
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}
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} else {
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else
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AASDK_LOG(debug) << "[MessageInStream] 3. Operation in Progress.";
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{
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promise->reject(error::Error(error::ErrorCode::OPERATION_IN_PROGRESS));
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promise->reject(error::Error(error::ErrorCode::OPERATION_IN_PROGRESS));
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}
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}
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});
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});
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}
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}
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void MessageInStream::setInterleavedHandler(ReceivePromise::Pointer promise)
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{
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interleavedPromise_ = std::move(promise);
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}
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void MessageInStream::receiveFrameHeaderHandler(const common::DataConstBuffer& buffer)
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void MessageInStream::receiveFrameHeaderHandler(const common::DataConstBuffer& buffer)
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{
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{
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FrameHeader frameHeader(buffer);
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FrameHeader frameHeader(buffer);
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if(message_ != nullptr && message_->getChannelId() != frameHeader.getChannelId())
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AASDK_LOG(debug) << "[MessageInStream] 5. Processing Frame Header: Ch " << channelIdToString(frameHeader.getChannelId()) << " Fr " << frameTypeToString(frameHeader.getType());
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{
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isValidFrame_ = true;
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isInterleaved_ = false;
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// New Promise or Interleaved
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if(message_ != nullptr && message_->getChannelId() != frameHeader.getChannelId()) {
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// We have an existing message but the channels don't match...
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AASDK_LOG(debug) << "[MessageInStream] 6. Interleaved ChannelId MisMatch - F: " << channelIdToString(frameHeader.getChannelId()) << " M: " << channelIdToString(message_->getChannelId());
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isInterleaved_ = true;
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// Store message in buffer;
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messageBuffer_[message_->getChannelId()] = message_;
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messageBuffer_[message_->getChannelId()] = message_;
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message_ = nullptr;
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message_.reset();
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}
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}
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auto bufferedMessage = messageBuffer_.find(frameHeader.getChannelId());
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// Look for Buffered Message
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if ((message_ == nullptr) && (frameHeader.getType() == FrameType::MIDDLE || frameHeader.getType() == FrameType::LAST)) {
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AASDK_LOG(debug) << "[MessageInStream] 7. Null Message but Middle or Last Frame.";
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auto bufferedMessage = messageBuffer_.find(frameHeader.getChannelId());
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if (bufferedMessage != messageBuffer_.end()) {
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AASDK_LOG(debug) << "[MessageInStream] 8. Found Existing Message on Channel.";
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if(bufferedMessage != messageBuffer_.end())
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{
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if(frameHeader.getType() != FrameType::FIRST)
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{
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message_ = bufferedMessage->second;
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message_ = bufferedMessage->second;
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messageBuffer_.erase(bufferedMessage);
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isInterleaved_ = false;
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}
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}
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else
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{
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message_ = std::make_shared<Message>(frameHeader.getChannelId(), frameHeader.getEncryptionType(), frameHeader.getMessageType());
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}
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messageBuffer_.erase(bufferedMessage);
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}
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}
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else if(message_ == nullptr)
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{
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if (message_ == nullptr) {
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if (frameHeader.getType() == FrameType::FIRST || frameHeader.getType() == FrameType::BULK) {
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AASDK_LOG(debug) << "[MessageInStream] 11. New message created with Index " << std::to_string(currentMessageIndex_);
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currentMessageIndex_++;
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} else {
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// This will be an invalid message, but we still need to read from the buffer.
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isValidFrame_ = false;
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}
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message_ = std::make_shared<Message>(frameHeader.getChannelId(), frameHeader.getEncryptionType(), frameHeader.getMessageType());
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message_ = std::make_shared<Message>(frameHeader.getChannelId(), frameHeader.getEncryptionType(), frameHeader.getMessageType());
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}
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}
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recentFrameType_ = frameHeader.getType();
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thisFrameType_ = frameHeader.getType();
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const size_t frameSize = FrameSize::getSizeOf(frameHeader.getType() == FrameType::FIRST ? FrameSizeType::EXTENDED : FrameSizeType::SHORT);
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const size_t frameSize = FrameSize::getSizeOf(frameHeader.getType() == FrameType::FIRST ? FrameSizeType::EXTENDED : FrameSizeType::SHORT);
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auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
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auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
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message_->insertPayload(buffer);
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message_->insertPayload(buffer);
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}
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}
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if(recentFrameType_ == FrameType::BULK || recentFrameType_ == FrameType::LAST)
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bool isResolved = false;
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// If this is the LAST frame or a BULK frame...
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if((thisFrameType_ == FrameType::BULK || thisFrameType_ == FrameType::LAST) && isValidFrame_)
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{
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{
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promise_->resolve(std::move(message_));
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if (!isInterleaved_) {
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promise_.reset();
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AASDK_LOG(debug) << "[MessageInStream] 12. Resolving Normal message. " << std::to_string(currentMessageIndex_);
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promise_->resolve(std::move(message_));
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promise_.reset();
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isResolved = true;
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} else {
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AASDK_LOG(debug) << "[MessageInStream] 13. Resolving Interleaved Message. " << std::to_string(currentMessageIndex_);
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interleavedPromise_->resolve(std::move(message_));
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}
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currentMessageIndex_--;
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message_.reset();
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}
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}
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else
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{
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// If the main promise isn't resolved, then carry on retrieving frame headers.
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if (!isResolved) {
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auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
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auto transportPromise = transport::ITransport::ReceivePromise::defer(strand_);
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transportPromise->then(
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transportPromise->then(
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[this, self = this->shared_from_this()](common::Data data) mutable {
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[this, self = this->shared_from_this()](common::Data data) mutable {
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this->receiveFrameHeaderHandler(common::DataConstBuffer(data));
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this->receiveFrameHeaderHandler(common::DataConstBuffer(data));
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},
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},
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[this, self = this->shared_from_this()](const error::Error& e) mutable {
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[this, self = this->shared_from_this()](const error::Error& e) mutable {
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message_.reset();
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message_.reset();
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promise_->reject(e);
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promise_->reject(e);
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promise_.reset();
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promise_.reset();
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});
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});
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transport_->receive(FrameHeader::getSizeOf(), std::move(transportPromise));
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transport_->receive(FrameHeader::getSizeOf(), std::move(transportPromise));
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}
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}
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#include <boost/endian/conversion.hpp>
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#include <boost/endian/conversion.hpp>
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#include <aasdk/Error/Error.hpp>
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#include <aasdk/Error/Error.hpp>
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#include <aasdk/Messenger/Messenger.hpp>
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#include <aasdk/Messenger/Messenger.hpp>
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#include <aasdk/Common/Log.hpp>
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namespace aasdk
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namespace aasdk
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{
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{
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@ -32,26 +32,43 @@ Messenger::Messenger(boost::asio::io_service& ioService, IMessageInStream::Point
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, messageInStream_(std::move(messageInStream))
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, messageInStream_(std::move(messageInStream))
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, messageOutStream_(std::move(messageOutStream))
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, messageOutStream_(std::move(messageOutStream))
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{
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{
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currentPromiseIndex_ = 0;
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currentMessageIndex_ = 0;
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}
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}
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void Messenger::enqueueReceive(ChannelId channelId, ReceivePromise::Pointer promise)
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void Messenger::enqueueReceive(ChannelId channelId, ReceivePromise::Pointer promise)
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{
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{
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// enqueueReceive is called from the service channel.
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AASDK_LOG(debug) << "[Messenger] 1. enqueueReceived called on Channel " << channelIdToString(channelId);
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receiveStrand_.dispatch([this, self = this->shared_from_this(), channelId, promise = std::move(promise)]() mutable {
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receiveStrand_.dispatch([this, self = this->shared_from_this(), channelId, promise = std::move(promise)]() mutable {
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auto interleavedPromise = ReceivePromise::defer(receiveStrand_);
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interleavedPromise->then(std::bind(&Messenger::interleavedMessageHandler, this->shared_from_this(), std::placeholders::_1),
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std::bind(&Messenger::rejectInterleavedMessageHandler, this->shared_from_this(), std::placeholders::_1));
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messageInStream_->setInterleavedHandler(std::move(interleavedPromise));
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//If there's any messages on the channel, resolve. The channel will call enqueueReceive again.
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if(!channelReceiveMessageQueue_.empty(channelId))
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if(!channelReceiveMessageQueue_.empty(channelId))
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{
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{
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promise->resolve(std::move(channelReceiveMessageQueue_.pop(channelId)));
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promise->resolve(std::move(channelReceiveMessageQueue_.pop(channelId)));
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AASDK_LOG(debug) << "[Messenger] 2. Message Queue not Empty. Resolving promise with Existing Message.";
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}
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}
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else
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else
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{
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{
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currentPromiseIndex_++;
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AASDK_LOG(debug) << "[Messenger] 3. Message Queue is Empty. Pushing Promise on Index " << std::to_string(currentPromiseIndex_);
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channelReceivePromiseQueue_.push(channelId, std::move(promise));
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channelReceivePromiseQueue_.push(channelId, std::move(promise));
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if(channelReceivePromiseQueue_.size() == 1)
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if(channelReceivePromiseQueue_.size() == 1)
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{
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{
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currentMessageIndex_++;
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AASDK_LOG(debug) << "[Messenger] 4. Calling startReceive on MessageIndex " << std::to_string(currentMessageIndex_);
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auto inStreamPromise = ReceivePromise::defer(receiveStrand_);
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auto inStreamPromise = ReceivePromise::defer(receiveStrand_);
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inStreamPromise->then(std::bind(&Messenger::inStreamMessageHandler, this->shared_from_this(), std::placeholders::_1),
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inStreamPromise->then(std::bind(&Messenger::inStreamMessageHandler, this->shared_from_this(), std::placeholders::_1),
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std::bind(&Messenger::rejectReceivePromiseQueue, this->shared_from_this(), std::placeholders::_1));
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std::bind(&Messenger::rejectReceivePromiseQueue, this->shared_from_this(), std::placeholders::_1));
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messageInStream_->startReceive(std::move(inStreamPromise));
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messageInStream_->startReceive(std::move(inStreamPromise), channelId, currentPromiseIndex_, currentMessageIndex_);
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}
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}
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}
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}
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});
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});
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@ -72,22 +89,32 @@ void Messenger::enqueueSend(Message::Pointer message, SendPromise::Pointer promi
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void Messenger::inStreamMessageHandler(Message::Pointer message)
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void Messenger::inStreamMessageHandler(Message::Pointer message)
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{
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{
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auto channelId = message->getChannelId();
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auto channelId = message->getChannelId();
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AASDK_LOG(debug) << "[Messenger] 5. inStreamMessageHandler from Channel " << channelIdToString(channelId);
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currentMessageIndex_--;
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// If there's a promise on the queue, we resolve the promise with this message....
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if(channelReceivePromiseQueue_.isPending(channelId))
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if(channelReceivePromiseQueue_.isPending(channelId))
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{
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{
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channelReceivePromiseQueue_.pop(channelId)->resolve(std::move(message));
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channelReceivePromiseQueue_.pop(channelId)->resolve(std::move(message));
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currentPromiseIndex_--;
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}
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}
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else
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else
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{
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{
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// Or we push the message to the Message Queue for when we do get a promise
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AASDK_LOG(debug) << "[Messenger] 7. Pushing Message to Queue as we have no Pending Promises." << std::to_string(currentPromiseIndex_);
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channelReceiveMessageQueue_.push(std::move(message));
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channelReceiveMessageQueue_.push(std::move(message));
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}
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}
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if(!channelReceivePromiseQueue_.empty())
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if(!channelReceivePromiseQueue_.empty())
|
||||||
{
|
{
|
||||||
|
currentMessageIndex_++;
|
||||||
|
AASDK_LOG(debug) << "[Messenger] 8. Calling startReceive on PromiseIndex " << std::to_string(currentPromiseIndex_) << " and MessageIndex " << std::to_string(currentMessageIndex_);
|
||||||
|
|
||||||
auto inStreamPromise = ReceivePromise::defer(receiveStrand_);
|
auto inStreamPromise = ReceivePromise::defer(receiveStrand_);
|
||||||
inStreamPromise->then(std::bind(&Messenger::inStreamMessageHandler, this->shared_from_this(), std::placeholders::_1),
|
inStreamPromise->then(std::bind(&Messenger::inStreamMessageHandler, this->shared_from_this(), std::placeholders::_1),
|
||||||
std::bind(&Messenger::rejectReceivePromiseQueue, this->shared_from_this(), std::placeholders::_1));
|
std::bind(&Messenger::rejectReceivePromiseQueue, this->shared_from_this(), std::placeholders::_1));
|
||||||
messageInStream_->startReceive(std::move(inStreamPromise));
|
messageInStream_->startReceive(std::move(inStreamPromise), channelId, currentPromiseIndex_,currentMessageIndex_);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -101,6 +128,20 @@ void Messenger::doSend()
|
||||||
messageOutStream_->stream(std::move(queueElementIter->first), std::move(outStreamPromise));
|
messageOutStream_->stream(std::move(queueElementIter->first), std::move(outStreamPromise));
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void Messenger::interleavedMessageHandler(Message::Pointer message)
|
||||||
|
{
|
||||||
|
auto channelId = message->getChannelId();
|
||||||
|
|
||||||
|
AASDK_LOG(debug) << "[Messenger] 9. interleavedMessageHandler from Channel " << channelIdToString(channelId);
|
||||||
|
|
||||||
|
channelReceiveMessageQueue_.push(std::move(message));
|
||||||
|
|
||||||
|
auto interleavedPromise = ReceivePromise::defer(receiveStrand_);
|
||||||
|
interleavedPromise->then(std::bind(&Messenger::interleavedMessageHandler, this->shared_from_this(), std::placeholders::_1),
|
||||||
|
std::bind(&Messenger::rejectInterleavedMessageHandler, this->shared_from_this(), std::placeholders::_1));
|
||||||
|
messageInStream_->setInterleavedHandler(std::move(interleavedPromise));
|
||||||
|
}
|
||||||
|
|
||||||
void Messenger::outStreamMessageHandler(ChannelSendQueue::iterator queueElement)
|
void Messenger::outStreamMessageHandler(ChannelSendQueue::iterator queueElement)
|
||||||
{
|
{
|
||||||
queueElement->second->resolve();
|
queueElement->second->resolve();
|
||||||
|
@ -117,9 +158,15 @@ void Messenger::rejectReceivePromiseQueue(const error::Error& e)
|
||||||
while(!channelReceivePromiseQueue_.empty())
|
while(!channelReceivePromiseQueue_.empty())
|
||||||
{
|
{
|
||||||
channelReceivePromiseQueue_.pop()->reject(e);
|
channelReceivePromiseQueue_.pop()->reject(e);
|
||||||
|
currentPromiseIndex_--;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void Messenger::rejectInterleavedMessageHandler(const error::Error& e)
|
||||||
|
{
|
||||||
|
// Dummy
|
||||||
|
}
|
||||||
|
|
||||||
void Messenger::rejectSendPromiseQueue(const error::Error& e)
|
void Messenger::rejectSendPromiseQueue(const error::Error& e)
|
||||||
{
|
{
|
||||||
while(!channelSendPromiseQueue_.empty())
|
while(!channelSendPromiseQueue_.empty())
|
||||||
|
@ -132,6 +179,7 @@ void Messenger::rejectSendPromiseQueue(const error::Error& e)
|
||||||
|
|
||||||
void Messenger::stop()
|
void Messenger::stop()
|
||||||
{
|
{
|
||||||
|
currentPromiseIndex_ = 0;
|
||||||
receiveStrand_.dispatch([this, self = this->shared_from_this()]() {
|
receiveStrand_.dispatch([this, self = this->shared_from_this()]() {
|
||||||
channelReceiveMessageQueue_.clear();
|
channelReceiveMessageQueue_.clear();
|
||||||
});
|
});
|
||||||
|
|
Loading…
Reference in New Issue