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amqpprox_packetprocessor.h
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amqpprox_packetprocessor.h
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/*
** Copyright 2020 Bloomberg Finance L.P.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef BLOOMBERG_AMQPPROX_PROCESS
#define BLOOMBERG_AMQPPROX_PROCESS
#include <amqpprox_buffer.h>
#include <amqpprox_flowtype.h>
#include <cstddef>
namespace Bloomberg {
namespace amqpprox {
class Connector;
class SessionState;
/**
* \brief Splits the received buffer into AMQP frames, decode into AMQP methods
* and pass them to Connector if required. It is also responsible for setting
* which slices of memory are to be used by the Session for sending to ingress
* or egress sockets.
*/
class PacketProcessor {
SessionState &d_state;
Connector &d_connector;
Buffer d_ingressWriteBuffer;
Buffer d_egressWriteBuffer;
Buffer d_remainingBuffer;
public:
PacketProcessor(SessionState &state, Connector &connector);
/**
* \brief Split the readBuffer into AMQP frames, decode into AMQP methods
* and pass them to connector if required
* \param direction specifies egress or ingress communication
* \param readBuffer is the buffer to be processed
*/
void process(FlowType direction, const Buffer &readBuffer);
inline Buffer remaining();
inline Buffer ingressWrite();
inline Buffer egressWrite();
};
inline Buffer PacketProcessor::remaining()
{
return d_remainingBuffer;
}
inline Buffer PacketProcessor::ingressWrite()
{
return d_ingressWriteBuffer;
}
inline Buffer PacketProcessor::egressWrite()
{
return d_egressWriteBuffer;
}
}
}
#endif