org.onosproject.isis.controller

Interface IsisLsdb

public interface IsisLsdb

Representation of an ISIS link state database.

Method Summary

Modifier and Type	Method and Description
boolean	addLsp(IsisMessage lsPdu, boolean isSelfOriginated, IsisInterface isisInterface) Installs a new self-originated LSA in LSDB.
List<LspWrapper>	allLspHeaders(boolean excludeMaxAgeLsp) Returns all LSPs (L1 and L2).
void	deleteLsp(IsisMessage lsp) Deletes the given LSP.
LspWrapper	findLsp(IsisPduType pduType, String lspId) Finds the LSP from LSDB.
Map<String,LspWrapper>	getL1Db() Gets the neighbor database information.
Map<String,LspWrapper>	getL2Db() Gets the neighbor database information.
void	initializeDb() Initializes LSDB.
IsisLsdb	isisLsdb() Returns the ISIS LSDB.
String	isNewerOrSameLsp(IsisMessage receivedLsp, IsisMessage lspFromDb) Checks received LSP is latest, same or old.
String	lspKey(String systemId) Returns the LSDB LSP key.
int	lsSequenceNumber(IsisPduType lspType) Returns the sequence number.
void	removeTopology(IsisNeighbor neighbor, IsisInterface isisInterface) Removes topology information when neighbor down.
void	setL1LspSeqNo(int l1LspSeqNo) Sets the level 1 link state sequence number.
void	setL2LspSeqNo(int l2LspSeqNo) Sets the level 2 link state sequence number.

Method Detail

isisLsdb

IsisLsdb isisLsdb()

Returns the ISIS LSDB.

Returns:

ISIS LSDB

initializeDb

void initializeDb()

Initializes LSDB.

lspKey

String lspKey(String systemId)

Returns the LSDB LSP key.

Parameters:

systemId - system ID

Returns:

LSP key

lsSequenceNumber

int lsSequenceNumber(IsisPduType lspType)

Returns the sequence number.

Parameters:

lspType - L1 or L2 LSP

Returns:

sequence number

findLsp

LspWrapper findLsp(IsisPduType pduType,
                   String lspId)

Finds the LSP from LSDB.

Parameters:

pduType - L1 or L2 LSP

lspId - LSP ID

Returns:

LSP wrapper object

addLsp

boolean addLsp(IsisMessage lsPdu,
               boolean isSelfOriginated,
               IsisInterface isisInterface)

Installs a new self-originated LSA in LSDB. Return true if installing was successful else false.

Parameters:

lsPdu - PDU instance

isSelfOriginated - true if self originated else false

isisInterface - ISIS interface instance

Returns:

true if successfully added

isNewerOrSameLsp

String isNewerOrSameLsp(IsisMessage receivedLsp,
                        IsisMessage lspFromDb)

Checks received LSP is latest, same or old.

Parameters:

receivedLsp - received LSP

lspFromDb - existing LSP

Returns:

"latest", "old" or "same"

allLspHeaders

List<LspWrapper> allLspHeaders(boolean excludeMaxAgeLsp)

Returns all LSPs (L1 and L2).

Parameters:

excludeMaxAgeLsp - exclude the max age LSPs

Returns:

List of LSPs

deleteLsp

void deleteLsp(IsisMessage lsp)

Deletes the given LSP.

Parameters:

lsp - LSP instance

getL1Db

Map<String,LspWrapper> getL1Db()

Gets the neighbor database information.

Returns:

neighbor database information

getL2Db

Map<String,LspWrapper> getL2Db()

Gets the neighbor database information.

Returns:

neighbor database information

setL1LspSeqNo

void setL1LspSeqNo(int l1LspSeqNo)

Sets the level 1 link state sequence number.

Parameters:

l1LspSeqNo - link state sequence number

setL2LspSeqNo

void setL2LspSeqNo(int l2LspSeqNo)

Sets the level 2 link state sequence number.

Parameters:

l2LspSeqNo - link state sequence number

removeTopology

void removeTopology(IsisNeighbor neighbor,
                    IsisInterface isisInterface)

Removes topology information when neighbor down.

Parameters:

neighbor - ISIS neighbor instance

isisInterface - ISIS interface instance