Package kr.ac.konkuk.ccslab.cm.event.mqttevent

Class CMMqttEventFixedHeader

java.lang.Object

kr.ac.konkuk.ccslab.cm.entity.CMObject

kr.ac.konkuk.ccslab.cm.event.CMEvent

kr.ac.konkuk.ccslab.cm.event.mqttevent.CMMqttEvent

kr.ac.konkuk.ccslab.cm.event.mqttevent.CMMqttEventFixedHeader

Direct Known Subclasses:

CMMqttEventCONNACK, CMMqttEventCONNECT, CMMqttEventDISCONNECT, CMMqttEventPINGREQ, CMMqttEventPINGRESP, CMMqttEventPUBACK, CMMqttEventPUBCOMP, CMMqttEventPUBLISH, CMMqttEventPUBREC, CMMqttEventPUBREL, CMMqttEventSUBACK, CMMqttEventSUBSCRIBE, CMMqttEventUNSUBACK, CMMqttEventUNSUBSCRIBE

public abstract class CMMqttEventFixedHeader
extends CMMqttEvent

This class represents CM events that belong to the fixed header of MQTT control packets.

See Also:

• http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718020

Field Summary

Fields

Modifier and Type	Field	Description
protected byte	m_flag
protected int	m_nRemainingLength
protected byte	m_packetType

Fields inherited from class kr.ac.konkuk.ccslab.cm.event.mqttevent.CMMqttEvent

CONNACK, CONNECT, DISCONNECT, PINGREQ, PINGRESP, PUBACK, PUBCOMP, PUBLISH, PUBREC, PUBREL, SUBACK, SUBSCRIBE, UNSUBACK, UNSUBSCRIBE

Fields inherited from class kr.ac.konkuk.ccslab.cm.event.CMEvent

m_bytes, m_nByteNum, m_nID, m_strDistributionGroup, m_strDistributionSession, m_strHandlerGroup, m_strHandlerSession, m_strReceiver, m_strSender

Fields inherited from class kr.ac.konkuk.ccslab.cm.entity.CMObject

m_nType

Constructor Summary

Constructors

Constructor	Description
CMMqttEventFixedHeader()

Method Summary

Modifier and Type	Method	Description
protected String	getBinaryString(byte inputByte, int nLSBits)
protected String	getBinaryStringOfByte(byte inputByte)
protected int	getFixedHeaderByteNum()
byte	getFlag()	Returns the flag.
byte	getPacketType()	Returns the packet type.
int	getRemainingLength()	Returns the remaining length.
protected void	marshallFixedHeader()
void	setFixedHeader(byte packetType, byte flag)	Sets the fixed header.
void	setFlag(byte flag)	Sets the flag.
void	setPacketType(byte type)	Sets the packet type
void	setRemainingLength(int len)
String	toString()	Returns the string representation of the CMMqttEventFixedHeader.
protected void	unmarshallFixedHeader(ByteBuffer buf)

Methods inherited from class kr.ac.konkuk.ccslab.cm.event.mqttevent.CMMqttEvent

getByteNum, getPacketID, getPayloadByteNum, getVarHeaderByteNum, marshallBody, marshallPayload, marshallVarHeader, unmarshallBody, unmarshallPayload, unmarshallVarHeader

Methods inherited from class kr.ac.konkuk.ccslab.cm.event.CMEvent

allocate, equals, getDistributionGroup, getDistributionSession, getHandlerGroup, getHandlerSession, getID, getInt2BytesFromByteBuffer, getReceiver, getSender, getStringFromByteBuffer, marshall, marshallHeader, putInt2BytesToByteBuffer, putStringToByteBuffer, setByteNum, setDistributionGroup, setDistributionSession, setHandlerGroup, setHandlerSession, setID, setReceiver, setSender, unmarshall, unmarshallHeader

Methods inherited from class kr.ac.konkuk.ccslab.cm.entity.CMObject

getType, setType

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

m_packetType

protected byte m_packetType

m_flag

protected byte m_flag

m_nRemainingLength

protected int m_nRemainingLength

Constructor Details

CMMqttEventFixedHeader

public CMMqttEventFixedHeader()

Method Details

setFixedHeader

public void setFixedHeader(byte packetType,
 byte flag)

Sets the fixed header.

Parameters:

packetType - - the packet type

flag - - the flag

setPacketType

public void setPacketType(byte type)

Sets the packet type

Parameters:

type - - the packet type

getPacketType

public byte getPacketType()

Returns the packet type.

Returns:

the packet type

setFlag

public void setFlag(byte flag)

Sets the flag.

Parameters:

flag - - the flag

getFlag

public byte getFlag()

Returns the flag.

Returns:

the flag

setRemainingLength

public void setRemainingLength(int len)

getRemainingLength

public int getRemainingLength()

Returns the remaining length.

This value is set after a CMMqttEvent is marshalled.

Returns:

the remaining length.

getBinaryStringOfByte

protected String getBinaryStringOfByte(byte inputByte)

getBinaryString

protected String getBinaryString(byte inputByte,
 int nLSBits)

getFixedHeaderByteNum

protected int getFixedHeaderByteNum()

Specified by:

getFixedHeaderByteNum in class CMMqttEvent

marshallFixedHeader

protected void marshallFixedHeader()

Specified by:

marshallFixedHeader in class CMMqttEvent

unmarshallFixedHeader

protected void unmarshallFixedHeader(ByteBuffer buf)

Specified by:

unmarshallFixedHeader in class CMMqttEvent

toString

public String toString()

Returns the string representation of the CMMqttEventFixedHeader.

Overrides:

toString in class CMMqttEvent

Returns:

string of this object.