org.tranche.flatfile
Class FlatFileTrancheServer

java.lang.Object
  org.tranche.commons.Debuggable
      org.tranche.TrancheServer
          org.tranche.flatfile.FlatFileTrancheServer

public class FlatFileTrancheServer
extends TrancheServer

An implementation of the TrancheServer interface that relies on the underlying operating system's filesystem.

This is the workhorse for the Tranche server, and it is very efficient in terms of speed and memory usage.

Author:

Jayson Falkner - jfalkner@umich.edu, Bryan E. Smith - bryanesmith@gmail.com, James "Augie" Hill - augman85@gmail.com

Field Summary

static int	DEFAULT_GET_CONFIGURATION_CACHE_TIME Servers will re-use cached configuration when getConfiguration called.
protected boolean	doneLoadingDataBlocks Flag if finished loading data blocks (a start-up activity).

Fields inherited from class org.tranche.TrancheServer

BAD_NONCE, BAD_SIG

Constructor Summary

FlatFileTrancheServer(java.io.File dir)

FlatFileTrancheServer(java.io.File dir, ActivityLog log)

FlatFileTrancheServer(java.lang.String homeDirectoryName)

FlatFileTrancheServer(java.lang.String homeDirectoryName, ActivityLog log)

FlatFileTrancheServer(java.lang.String homeDirectoryName, ActivityLog log, java.security.cert.X509Certificate cert, java.security.PrivateKey key)

FlatFileTrancheServer(java.lang.String homeDirectoryName, java.security.cert.X509Certificate cert, java.security.PrivateKey key)

Method Summary

protected void	addKnownProject(BigHash hash)
boolean	addListener(FlatFileTrancheServerListener l) Add a FlatFileTrancheServerListener.
boolean	canRead() Returns whether server mode flag is set to allow clients to read server's data.
boolean	canWrite() Returns whether server mode flag is set to allow clients to write data to server.
protected void	clearKnownProjects()
void	clearListeners() Clear all FlatFileTrancheServerListener objects.
void	close() Close off resources associated with this server.
PropagationReturnWrapper	deleteData(BigHash hash, Signature[] sigs, byte[][] nonces, java.lang.String[] hosts) Delete data chunk from selected servers.
PropagationReturnWrapper	deleteMetaData(BigHash hash, java.lang.String uploaderName, java.lang.Long uploadTimestamp, java.lang.String relativePathInDataSet, Signature[] sigs, byte[][] nonces, java.lang.String[] hosts)
void	fireConfigurationSet(Configuration config) Fired when configuration is set.
void	fireDataChunkAdded(BigHash hash) Fired when data chunk is added.
void	fireDataChunkDeleted(BigHash hash) Fired when data chunk is deleted.
void	fireMetaDataChunkAdded(BigHash hash) Fired when meta data chunk is added.
void	fireMetaDataChunkDeleted(BigHash hash) Fired when meta data chunk is deleted.
ActivityLog	getActivityLog() Returns the activity log.
Activity[]	getActivityLogEntries(long startTimestamp, long finishTimestamp, int limit, byte mask) Get all activity log entries from within a time period.
int	getActivityLogEntriesCount(long startTimestamp, long stopTimestamp, byte mask) Returns a count of all activity log entries from within a time period.
java.security.cert.X509Certificate	getAuthCert() By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.
java.security.PrivateKey	getAuthPrivateKey() By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.
Configuration	getConfiguration() Get the Configuration object for this FlatFileTrancheServer.
protected Configuration	getConfiguration(boolean useCache) Get the Configuration object for this FlatFileTrancheServer.
Configuration	getConfiguration(Signature sig, byte[] nonce) Get the Configuration object.
int	getConfigurationCacheTime() Gets the time to internally cache the configuration.
PropagationReturnWrapper	getData(BigHash[] hashes, boolean propagateRequest) Get a batch of data chunks.
DataBlockUtil	getDataBlockUtil() Get the DataBlockUtil associated with this FlatFileTrancheServer.
BigHash[]	getDataHashes(java.math.BigInteger offset, java.math.BigInteger length) Get a batch of hashes.
static java.lang.String	getDefaultHomeDir() A simple method for determining the home directory where Tranche should both store files and keep temporary files.
HashSpanFixingThread	getHashSpanFixingThread() Return the healing thread associated with this FlatFileTrancheServer.
java.io.File	getHomeDirectory()
java.lang.String	getHost() Returns the host name for this server.
long	getLastTimeConfigurationWasSet() Timestamp of last change to Configuration.
PropagationReturnWrapper	getMetaData(BigHash[] hashes, boolean propagateRequest) Get a batch of meta data chunks.
BigHash[]	getMetaDataHashes(java.math.BigInteger offset, java.math.BigInteger length) Get a batch of hashes.
StatusTable	getNetworkStatusPortion(java.lang.String startHost, java.lang.String endHost) Returns the rows in the local network status that have host names that are between the startHost (inclusive) and the endHost (exclusive.)
PropagationReturnWrapper	getNonces(java.lang.String[] hosts, int count) Get batch of nonces from selected server hosts.
BigHash[]	getProjectHashes(java.math.BigInteger offset, java.math.BigInteger length) Gets all of the hashes for projects that are in memory.
TargetHashSpanThread	getTargetHashSpanThread() The thread that looks for target hash spans and injects/deletes chunks until can swap out current hash span(s) with target hash span.
java.lang.String	getTrancheUrl() Returns the Tranche url (e.g., tranche://123.123.123.123:443), if set.
boolean[]	hasData(BigHash[] hashes) Check to see whether server has the data chunks represented by the hashes.
boolean[]	hasMetaData(BigHash[] hashes) Check to see whether server has the meta data chunks represented by the hashes.
boolean	isClosed() Returns true if the server is closed down.
boolean	isReadOnly() Deprecated. There are different modes for server. Right now, there's none, read-only, write-only, and read/write.
protected boolean	isStickyMetaDataForThisServer(MetaData md) Determine whether meta data specifies that this is sticky server.
void	ping() Functionality to ping this server.
void	registerServer(java.lang.String url) Register a Tranche server.
protected void	removeKnownProject(BigHash hash)
boolean	removeListener(FlatFileTrancheServerListener l) Remove a FlatFileTrancheServerListener.
void	requestShutdown(Signature sig, byte[] nonce) Ask whether allowed to shutdown.
void	saveConfiguration() Serialize the Configurtation data and save to disk.
void	setAuthCert(java.security.cert.X509Certificate authCert) By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.
void	setAuthPrivateKey(java.security.PrivateKey authPrivateKey) By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.
void	setConfiguration(byte[] data, Signature sig, byte[] nonce) Set the Configuration for this FlatFileTrancheServer.
void	setConfiguration(Configuration c) Set the Configuration for this FlatFileTrancheServer.
void	setConfigurationCacheTime(int value) Gets the time to internally cache the configuration.
PropagationReturnWrapper	setData(BigHash hash, byte[] data, Signature sig, java.lang.String[] hosts) Set data and replicate to specified hosts.
void	setHostsToUseWithOverlappingHashSpans(java.util.Map<java.util.Collection<HashSpan>,java.lang.String> hostsToUseWithOverlappingHashSpans) Tells the server to use the given server hosts for necessary communications with servers with overlapping hash spans.
PropagationReturnWrapper	setMetaData(boolean merge, BigHash hash, byte[] metaData, Signature sig, java.lang.String[] hosts) Set meta data and replicate to specified hosts.
static boolean	tryDirectory(java.lang.String subdirName) Test a directory to see whether can read and write.
void	waitToLoadExistingDataBlocks() Blocking method to wait for project-finding thread to finish loading.

Methods inherited from class org.tranche.commons.Debuggable

debugErr, debugErr, debugOut, isDebug, setDebug

Methods inherited from class java.lang.Object

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

Field Detail

doneLoadingDataBlocks

protected boolean doneLoadingDataBlocks

Flag if finished loading data blocks (a start-up activity).

DEFAULT_GET_CONFIGURATION_CACHE_TIME

public static final int DEFAULT_GET_CONFIGURATION_CACHE_TIME

Servers will re-use cached configuration when getConfiguration called. This is the default time to cache.

The value used can be set in Configuration attributes.

See Also:

Constant Field Values

Constructor Detail

FlatFileTrancheServer

public FlatFileTrancheServer(java.io.File dir)

Parameters:

dir - the directory received

FlatFileTrancheServer

public FlatFileTrancheServer(java.io.File dir,
                             ActivityLog log)

Parameters:

dir -

log -

FlatFileTrancheServer

public FlatFileTrancheServer(java.lang.String homeDirectoryName)

Parameters:

homeDirectoryName -

FlatFileTrancheServer

public FlatFileTrancheServer(java.lang.String homeDirectoryName,
                             java.security.cert.X509Certificate cert,
                             java.security.PrivateKey key)

FlatFileTrancheServer

public FlatFileTrancheServer(java.lang.String homeDirectoryName,
                             ActivityLog log)

Parameters:

homeDirectoryName - the home directory name received

FlatFileTrancheServer

public FlatFileTrancheServer(java.lang.String homeDirectoryName,
                             ActivityLog log,
                             java.security.cert.X509Certificate cert,
                             java.security.PrivateKey key)

Parameters:

homeDirectoryName -

log -

cert -

key -

Method Detail

getDefaultHomeDir

public static java.lang.String getDefaultHomeDir()

A simple method for determining the home directory where Tranche should both store files and keep temporary files.

Returns:

the default home directory name

tryDirectory

public static boolean tryDirectory(java.lang.String subdirName)

Test a directory to see whether can read and write. Also, don't want multiple processes writing to same temporary subdirectory, so identify if available.

Parameters:

subdirName -

Returns:

getHomeDirectory

public java.io.File getHomeDirectory()

Returns:

the home directory

getConfiguration

public Configuration getConfiguration()

Get the Configuration object for this FlatFileTrancheServer.

Specified by:

getConfiguration in class TrancheServer

Returns:

the local configuration

getConfiguration

protected Configuration getConfiguration(boolean useCache)

Get the Configuration object for this FlatFileTrancheServer.

Parameters:

useCache - If true, uses cache if time not elapsed to update; if false, updates unconditionally

Returns:

the local configuration

waitToLoadExistingDataBlocks

public void waitToLoadExistingDataBlocks()

Blocking method to wait for project-finding thread to finish loading.

ping

public void ping()
          throws java.lang.Exception

Functionality to ping this server. Note this does nothing for the FlatFileTrancheServer.

Specified by:

ping in class TrancheServer

Throws:

java.lang.Exception

getNetworkStatusPortion

public StatusTable getNetworkStatusPortion(java.lang.String startHost,
                                           java.lang.String endHost)
                                    throws java.lang.Exception

Returns the rows in the local network status that have host names that are between the startHost (inclusive) and the endHost (exclusive.)

Specified by:

getNetworkStatusPortion in class TrancheServer

Parameters:

startHost -

endHost -

Returns:

Throws:

java.lang.Exception

getDataHashes

public BigHash[] getDataHashes(java.math.BigInteger offset,
                               java.math.BigInteger length)
                        throws java.lang.Exception

Get a batch of hashes. Used to discover data chunks on server.

Specified by:

getDataHashes in class TrancheServer

Parameters:

offset - the offset

length - the length

Returns:

an array of data hashes

Throws:

java.lang.Exception - if any exception occurs

getMetaDataHashes

public BigHash[] getMetaDataHashes(java.math.BigInteger offset,
                                   java.math.BigInteger length)
                            throws java.lang.Exception

Get a batch of hashes. Used to discover meta data chunks on server.

Specified by:

getMetaDataHashes in class TrancheServer

Parameters:

offset - the offset

length - the length

Returns:

an array of meta data hashes

Throws:

java.lang.Exception - if any exception occurs

hasData

public boolean[] hasData(BigHash[] hashes)
                  throws java.lang.Exception

Check to see whether server has the data chunks represented by the hashes.

Specified by:

hasData in class TrancheServer

Parameters:

hashes - the BigHash array of data chunks

Returns:

boolean array

Throws:

java.lang.Exception - if any exception occurs

hasMetaData

public boolean[] hasMetaData(BigHash[] hashes)
                      throws java.lang.Exception

Check to see whether server has the meta data chunks represented by the hashes.

Specified by:

hasMetaData in class TrancheServer

Parameters:

hashes - the BigHash array of meta data

Returns:

boolean array

Throws:

java.lang.Exception - if any exception occurs

getData

public PropagationReturnWrapper getData(BigHash[] hashes,
                                        boolean propagateRequest)
                                 throws java.lang.Exception

Get a batch of data chunks.

Specified by:

getData in class TrancheServer

Parameters:

hashes -

propagateRequest -

Returns:

Throws:

java.lang.Exception

getMetaData

public PropagationReturnWrapper getMetaData(BigHash[] hashes,
                                            boolean propagateRequest)
                                     throws java.lang.Exception

Get a batch of meta data chunks.

Specified by:

getMetaData in class TrancheServer

Parameters:

hashes -

propagateRequest -

Returns:

Throws:

java.lang.Exception

registerServer

public void registerServer(java.lang.String url)
                    throws java.lang.Exception

Register a Tranche server.

Specified by:

registerServer in class TrancheServer

Parameters:

url - the URL of the Tranche server (e.g. tranche://proteomecommons.org:443)

Throws:

java.io.IOException - if an exception occurs

java.lang.Exception - if any exception occurs

isStickyMetaDataForThisServer

protected boolean isStickyMetaDataForThisServer(MetaData md)
                                         throws java.lang.Exception

Determine whether meta data specifies that this is sticky server.

Parameters:

md -

Returns:

Throws:

java.lang.Exception

close

public void close()

Close off resources associated with this server.

Specified by:

close in class TrancheServer

saveConfiguration

public void saveConfiguration()

Serialize the Configurtation data and save to disk.

getDataBlockUtil

public DataBlockUtil getDataBlockUtil()

Get the DataBlockUtil associated with this FlatFileTrancheServer.

Returns:

the data block utility

getConfiguration

public Configuration getConfiguration(Signature sig,
                                      byte[] nonce)
                               throws java.lang.Exception

Get the Configuration object.

Specified by:

getConfiguration in class TrancheServer

Parameters:

sig - the signature

nonce - the nonce bytes

Returns:

the configuration

Throws:

java.lang.Exception - if any exception occurs

requestShutdown

public void requestShutdown(Signature sig,
                            byte[] nonce)
                     throws java.lang.Exception

Ask whether allowed to shutdown. Does NOT shutdown the server. Used by Server to find out whether it should shut down resources or not.

Specified by:

requestShutdown in class TrancheServer

Parameters:

sig -

nonce -

Throws:

java.lang.Exception - Any security issues.

setConfiguration

public void setConfiguration(Configuration c)
                      throws java.lang.Exception

Set the Configuration for this FlatFileTrancheServer.

Parameters:

c -

Throws:

java.lang.Exception

setConfiguration

public void setConfiguration(byte[] data,
                             Signature sig,
                             byte[] nonce)
                      throws java.lang.Exception

Set the Configuration for this FlatFileTrancheServer.

Specified by:

setConfiguration in class TrancheServer

Parameters:

data - the data bytes

sig - the signature

nonce - the nonce bytes

Throws:

java.lang.Exception - if any exception occurs

getProjectHashes

public BigHash[] getProjectHashes(java.math.BigInteger offset,
                                  java.math.BigInteger length)
                           throws java.lang.Exception

Gets all of the hashes for projects that are in memory.

Specified by:

getProjectHashes in class TrancheServer

Parameters:

offset - the offset

length - the length

Returns:

an array of project hashes that are in memory

Throws:

java.lang.Exception - if any exception occurs

getHashSpanFixingThread

public HashSpanFixingThread getHashSpanFixingThread()

Return the healing thread associated with this FlatFileTrancheServer.

Returns:

isClosed

public boolean isClosed()

Returns true if the server is closed down.

Returns:

canRead

public boolean canRead()

Returns whether server mode flag is set to allow clients to read server's data.

Returns:

canWrite

public boolean canWrite()

Returns whether server mode flag is set to allow clients to write data to server.

Returns:

isReadOnly

public boolean isReadOnly()
                   throws java.lang.Exception

Deprecated. There are different modes for server. Right now, there's none, read-only, write-only, and read/write.

Checks configuration to see whether this server is read-only.

Returns:

True if read-only, false otherwise. Default is false.

Throws:

java.lang.Exception

See Also:

canRead(), canWrite()

getLastTimeConfigurationWasSet

public long getLastTimeConfigurationWasSet()

Timestamp of last change to Configuration.

Returns:

getConfigurationCacheTime

public int getConfigurationCacheTime()

Gets the time to internally cache the configuration. This is the time that must ellapse before the FlatFileTrancheServer will update the configuration that is returned by getConfiguration.

A lower time means up-to-date configurations, but substantially more work.

Returns:

setConfigurationCacheTime

public void setConfigurationCacheTime(int value)

Gets the time to internally cache the configuration. This is the time that must ellapse before the FlatFileTrancheServer will update the configuration that is returned by getConfiguration.

A lower time means up-to-date configurations, but substantially more work.

Parameters:

value -

getTrancheUrl

public java.lang.String getTrancheUrl()

Returns the Tranche url (e.g., tranche://123.123.123.123:443), if set.

Returns:

The Tranche url, if set, or null otherwise

getHost

public java.lang.String getHost()

Returns the host name for this server. Prefers one set by Server, but if not found, finds by iterating the interfaces.

Specified by:

getHost in class TrancheServer

Returns:

getActivityLogEntries

public Activity[] getActivityLogEntries(long startTimestamp,
                                        long finishTimestamp,
                                        int limit,
                                        byte mask)
                                 throws java.lang.Exception

Get all activity log entries from within a time period.

Specified by:

getActivityLogEntries in class TrancheServer

Parameters:

startTimestamp - Timestamp from which to include activities (inclusive)

finishTimestamp - Timestamp to which to include activities (inclusive)

limit - Limit number of activity entries to return

mask - Used to match activity bytes. If all the bits in the mask are included in the activity byte, then the activity will be included. For example, if the mask is Activity.ACTION_TYPE_SET, then all logs that have this bit set (set data and set meta data) will be included. However, if Activity.SET_DATA is the mask, then only set data actions will match (since there are two bits set in the mask, making it more restrictive). 0 is least restrictive (restricts nothing) and 0xFF is most restrictive (restricts everything but itself).

Returns:

Throws:

java.lang.Exception

getActivityLogEntriesCount

public int getActivityLogEntriesCount(long startTimestamp,
                                      long stopTimestamp,
                                      byte mask)
                               throws java.lang.Exception

Returns a count of all activity log entries from within a time period.

Specified by:

getActivityLogEntriesCount in class TrancheServer

Parameters:

startTimestamp - Timestamp from which to include activities (inclusive)

stopTimestamp - Timestamp to which to include activities (inclusive)

mask - Used to match activity bytes. If all the bits in the mask are included in the activity byte, then the activity will be included. For example, if the mask is Activity.ACTION_TYPE_SET, then all logs that have this bit set (set data and set meta data) will be included. However, if Activity.SET_DATA is the mask, then only set data actions will match (since there are two bits set in the mask, making it more restrictive). 0 is least restrictive (restricts nothing) and 0xFF is most restrictive (restricts everything but itself).

Returns:

Throws:

java.lang.Exception

getActivityLog

public ActivityLog getActivityLog()

Returns the activity log.

Returns:

ActivityLog object, if set; otherwise, null.

addListener

public boolean addListener(FlatFileTrancheServerListener l)

Add a FlatFileTrancheServerListener.

Parameters:

l -

Returns:

removeListener

public boolean removeListener(FlatFileTrancheServerListener l)

Remove a FlatFileTrancheServerListener.

Parameters:

l -

Returns:

clearListeners

public void clearListeners()

Clear all FlatFileTrancheServerListener objects.

fireDataChunkAdded

public void fireDataChunkAdded(BigHash hash)

Fired when data chunk is added.

Parameters:

hash -

fireMetaDataChunkAdded

public void fireMetaDataChunkAdded(BigHash hash)

Fired when meta data chunk is added.

Parameters:

hash -

fireDataChunkDeleted

public void fireDataChunkDeleted(BigHash hash)

Fired when data chunk is deleted.

Parameters:

hash -

fireMetaDataChunkDeleted

public void fireMetaDataChunkDeleted(BigHash hash)

Fired when meta data chunk is deleted.

Parameters:

hash -

fireConfigurationSet

public void fireConfigurationSet(Configuration config)

Fired when configuration is set.

Parameters:

config -

setHostsToUseWithOverlappingHashSpans

public void setHostsToUseWithOverlappingHashSpans(java.util.Map<java.util.Collection<HashSpan>,java.lang.String> hostsToUseWithOverlappingHashSpans)

Tells the server to use the given server hosts for necessary communications with servers with overlapping hash spans.

The data structure is given the way it is to allow for ease-of-lookup.

The hosts to be used will be modified every time connections are adjusted.

Parameters:

hostsToUseWithOverlappingHashSpans -

clearKnownProjects

protected void clearKnownProjects()

addKnownProject

protected void addKnownProject(BigHash hash)

Parameters:

hash -

removeKnownProject

protected void removeKnownProject(BigHash hash)

Parameters:

hash -

setData

public PropagationReturnWrapper setData(BigHash hash,
                                        byte[] data,
                                        Signature sig,
                                        java.lang.String[] hosts)
                                 throws java.lang.Exception

Set data and replicate to specified hosts.

Specified by:

setData in class TrancheServer

Parameters:

hash -

data -

sig -

hosts -

Returns:

Throws:

java.lang.Exception

setMetaData

public PropagationReturnWrapper setMetaData(boolean merge,
                                            BigHash hash,
                                            byte[] metaData,
                                            Signature sig,
                                            java.lang.String[] hosts)
                                     throws java.lang.Exception

Set meta data and replicate to specified hosts.

Specified by:

setMetaData in class TrancheServer

Parameters:

merge -

hash -

metaData -

sig -

hosts -

Returns:

Throws:

java.lang.Exception

getNonces

public PropagationReturnWrapper getNonces(java.lang.String[] hosts,
                                          int count)
                                   throws java.lang.Exception

Get batch of nonces from selected server hosts.

Specified by:

getNonces in class TrancheServer

Parameters:

hosts -

count -

Returns:

Throws:

java.lang.Exception

deleteData

public PropagationReturnWrapper deleteData(BigHash hash,
                                           Signature[] sigs,
                                           byte[][] nonces,
                                           java.lang.String[] hosts)
                                    throws java.lang.Exception

Delete data chunk from selected servers.

Specified by:

deleteData in class TrancheServer

Parameters:

hash -

sigs -

nonces -

hosts -

Throws:

java.lang.Exception

deleteMetaData

public PropagationReturnWrapper deleteMetaData(BigHash hash,
                                               java.lang.String uploaderName,
                                               java.lang.Long uploadTimestamp,
                                               java.lang.String relativePathInDataSet,
                                               Signature[] sigs,
                                               byte[][] nonces,
                                               java.lang.String[] hosts)
                                        throws java.lang.Exception

Specified by:

deleteMetaData in class TrancheServer

Parameters:

hash -

uploaderName -

uploadTimestamp -

relativePathInDataSet -

sigs -

nonces -

hosts -

Throws:

java.lang.Exception

getTargetHashSpanThread

public TargetHashSpanThread getTargetHashSpanThread()

The thread that looks for target hash spans and injects/deletes chunks until can swap out current hash span(s) with target hash span.

Returns:

getAuthCert

public java.security.cert.X509Certificate getAuthCert()

By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.

It is the responsibility of the administrator starting the server to secure a signed key/certificate that can set chunks. Please contact the Tranche network administrators for more information.

Returns:

setAuthCert

public void setAuthCert(java.security.cert.X509Certificate authCert)

By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.

It is the responsibility of the administrator starting the server to secure a signed key/certificate that can set chunks. Please contact the Tranche network administrators for more information.

Parameters:

authCert -

getAuthPrivateKey

public java.security.PrivateKey getAuthPrivateKey()

By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.

It is the responsibility of the administrator starting the server to secure a signed key/certificate that can set chunks. Please contact the Tranche network administrators for more information.

Returns:

setAuthPrivateKey

public void setAuthPrivateKey(java.security.PrivateKey authPrivateKey)

By setting a certificate and private key to the flat file server that has write privileges on other servers, can inject data to network when needed.

It is the responsibility of the administrator starting the server to secure a signed key/certificate that can set chunks. Please contact the Tranche network administrators for more information.

Parameters:

authPrivateKey -