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Class ncsa.habanero.SessionManager

java.lang.Object
   |
   +----ncsa.habanero.ModelObject
           |
           +----ncsa.habanero.SessionManager

public class SessionManager

extends ModelObject

implements Runnable

addressCache

clipboard

collaborativeEnvironment

context

id

latestHood

listener

multicastAddress

multicastPort

multipleConnections

nextSessionController

owner

portLocations

server

startTime

addSession(Session)

Add the given session to my list.

askForInfo(SessionInfo)

checkSessionExistence(MarshallInput, MarshallOutput)

checkUserPassword(MarshallInput, MarshallOutput)

This is a client-side method which is called when a server requires a session-owner to verify that a user/passwd combination is valid.

checkVersion(MarshallInput)

dumpSharable(MarshallInput, MarshallOutput)

This method is called when a SessionManager is asked to dump the state of either a Session or a Collobject.

dumpSharable(Sharable, String, MarshallOutput)

This method is called when a SessionManager is asked to dump the state of either a Session or a Collobject.

executeMissedActions(MarshallInput, MarshallOutput)

findAddress(String)

findAuthentication(MarshallInput, MarshallOutput)

findParticipant(MarshallInput, MarshallOutput)

findSessionName(MarshallInput, MarshallOutput)

findType(MarshallInput, MarshallOutput)

getAppletContext()

getClipboard()

getCollaborativeEnvironment()

getEnvAsEnvironmentAware()

getEnvAsParticipantsAware()

getEnvAsSessionsAware()

getEnvAsToolsAware()

getEnvAsWarningAware()

getInfoAsString()

Returns a string with info about all the sessions on this server

getLatestNeighborhood()

getListeningPort()

getManager()

Static method called to get the one instance of this class.

getMulticastAddress()

getMulticastPort()

getNextMulticastPort()

getNextPortNum()

getReplayController()

good()

handleInstruction(String, MarshallInput, MarshallOutput)

handleNewConnection(MarshallInput, MarshallOutput)

id()

Returns the id of this object, which is the hostname + listening port.

initiateReplaySession(SessionInfo, MarshallInput)

This is called by a client to start a session of the given name on a given address/port.

initiateSession(SessionInfo)

This is called by a client to start a session of the given name on a given address/port.

initiateSession(SessionInfo, String, MarshallInput)

This is called by a client to start a session of the given name on a given address/port.

invited(MarshallInput, MarshallOutput)

isEnvironmentInterface(String)

isInterface(Object, String)

joinOrStartRequested(MarshallInput, MarshallOutput)

joinSession(String, String, int)

This is called by a client to join a session of the given name on a given address/port.

joinSessionRequested(MarshallInput, MarshallOutput)

When a client asks to join an existing session, this routine writes back the session's owner object, which is where the client goes to get the session's data.

joinSessionRequested(Session, SessionParticipant, MarshallInput, MarshallOutput)

joinSessionWithAuthentication(String, String, int, int, String)

This is called by a client to join a session of the given name on a given address/port with the given authentification.

joinSessionWithAuthenticationRequested(MarshallInput, MarshallOutput)

When a client asks to join an existing session, this routine writes back the session's owner object, which is where the client goes to get the session's data.

majorVersionNumber()

makeManager(Vector)

makeManager(Vector, boolean, String)

makeParticipant(String, int)

Static method called to create a TCP participant annie modif

makeSession(String, SessionParticipant, SessionInfo, String)

Return a new Session with the given name, owner and additional information.

minorVersionNumber()

multicastEnabled()

newSessionRequested(MarshallInput, MarshallOutput)

This is a server-side method which is called when a client requests a new session be created.

newSessionRequested(String, MarshallInput, MarshallOutput)

notifyNeighborhood(String, String, String)

owner()

Returns the owner of this object.

releaseNumber()

returnInvitation(SessionInfo, String)

run()

Listen until someone makes a connection.

sendBeep(SessionParticipant)

sessionFromId(String)

Returns a Session object given an Identifier

setAppletContext(AppletContext)

setClipboard(ImagePrimitiveP)

setCollaborativeEnvironment(Object)

setLatestNeighborhood(String)

setMulticastInformation(String, int)

setReplay(ReplayController)

setSingleConnection()

stop()

subModels()

useMultipleConnections()

 protected SessionParticipant owner

 protected String id

 protected ServerSocket server

 protected static Hashtable addressCache

 protected String latestHood

 protected static AppletContext context

 protected ImagePrimitiveP clipboard

 protected Thread listener

 protected boolean multipleConnections

 protected ReplayController nextSessionController

 protected String multicastAddress

 protected int multicastPort

 protected Vector portLocations

 protected Date startTime

 protected Object collaborativeEnvironment

 public int getNextPortNum()

 protected SessionManagerCommand handleInstruction(String instruction,
                                                   MarshallInput in,
                                                   MarshallOutput out)

 public void run()

Listen until someone makes a connection. Read the request, call a a routine to execute it. Close the connection.

 public void stop()

 public boolean useMultipleConnections()

 public void setSingleConnection()

 public int getListeningPort()

 public void setMulticastInformation(String address,
                                     int port)

 public boolean multicastEnabled()

 public String getMulticastAddress()

 public int getMulticastPort()

 public int getNextMulticastPort()

 public static SessionParticipant makeParticipant(String host,
                                                  int port)

Static method called to create a TCP participant annie modif

 public static SessionManager getManager() throws IllegalArgumentException

Static method called to get the one instance of this class. Throws an exception if there is no instance.

 public static void makeManager(Vector listeningPort) throws Exception

 public static synchronized void makeManager(Vector listeningPort,
                                             boolean url,
                                             String location) throws Exception

 public void addSession(Session toAdd)

Add the given session to my list. Will be called when a user creates a new session as well as when a user joins a remote session.

Parameters:

toAdd - the new session

owner - who has rights to determine access to the session

 protected Session sessionFromId(String sessionId)

Returns a Session object given an Identifier

Parameters:

sessionId - Specifier of the session

 public SessionParticipant owner()

Returns the owner of this object.

 public String id()

Returns the id of this object, which is the hostname + listening port.

 protected SubModels subModels()

Overrides:

subModels in class ModelObject

 protected synchronized String getInfoAsString()

Returns a string with info about all the sessions on this server

 protected Session makeSession(String sessionName,
                               SessionParticipant sessionOwner,
                               SessionInfo sessionInfo,
                               String arbitratorName) throws IOException

Return a new Session with the given name, owner and additional information.

 protected String findSessionName(MarshallInput in,
                                  MarshallOutput out) throws IOException

 protected SessionParticipant findParticipant(MarshallInput in,
                                              MarshallOutput out) throws IOException, ClassNotFoundException

 protected int findType(MarshallInput in,
                        MarshallOutput out) throws IOException, ClassNotFoundException

 protected String findAuthentication(MarshallInput in,
                                     MarshallOutput out) throws IOException, ClassNotFoundException

 protected Session newSessionRequested(String sessionName,
                                       MarshallInput in,
                                       MarshallOutput out) throws IOException, ClassNotFoundException

 protected Session newSessionRequested(MarshallInput in,
                                       MarshallOutput out)

This is a server-side method which is called when a client requests a new session be created. It reads the session's name from the input object, and if the name is not already being used, makes a new session of that name with the owner it reads from the input object.

 public void handleNewConnection(MarshallInput in,
                                 MarshallOutput out)

 public void executeMissedActions(MarshallInput in,
                                  MarshallOutput out)

 public void checkUserPassword(MarshallInput in,
                               MarshallOutput out)

This is a client-side method which is called when a server requires a session-owner to verify that a user/passwd combination is valid.

 public void invited(MarshallInput in,
                     MarshallOutput out)

 public void returnInvitation(SessionInfo info,
                              String neighborhood)

 protected boolean checkVersion(MarshallInput in)

 public synchronized void joinSessionRequested(Session session,
                                               SessionParticipant joiner,
                                               MarshallInput in,
                                               MarshallOutput out) throws IOException, ClassNotFoundException

 public synchronized Session joinSessionRequested(MarshallInput in,
                                                  MarshallOutput out)

When a client asks to join an existing session, this routine writes back the session's owner object, which is where the client goes to get the session's data. It also adds the client to the session's list of participants. This is a server-side method.

 public synchronized Session joinSessionWithAuthenticationRequested(MarshallInput in,
                                                                    MarshallOutput out)

When a client asks to join an existing session, this routine writes back the session's owner object, which is where the client goes to get the session's data. It also adds the client to the session's list of participants. This is a server-side method.

 public Session initiateSession(SessionInfo is)

This is called by a client to start a session of the given name on a given address/port. It makes a connection to the server, writes out the new session request, and gets back the port of the session arbitrator. Then it creates a new session object as its child.

 public Session initiateReplaySession(SessionInfo is,
                                      MarshallInput input)

This is called by a client to start a session of the given name on a given address/port. It makes a connection to the server, writes out the new session request, and gets back the port of the session arbitrator. Then it creates a new session object as its child.

 protected Session joinOrStartRequested(MarshallInput in,
                                        MarshallOutput out)

 public void askForInfo(SessionInfo is)

 public Session initiateSession(SessionInfo is,
                                String strArb,
                                MarshallInput input)

This is called by a client to start a session of the given name on a given address/port. It makes a connection to the server, writes out the new session request, and gets back the port of the session arbitrator. Then it creates a new session object as its child.

 public Session joinSession(String sessionName,
                            String serverName,
                            int serverPort)

This is called by a client to join a session of the given name on a given address/port. It makes a connection to the server, writes out the join session request, and gets back the object referring to the owner of that session. It then contacts that owner's SessionManager and asks it to dump the state of the session. It unmarshalls and returns the session.

 public Session joinSessionWithAuthentication(String sessionName,
                                              String serverName,
                                              int serverPort,
                                              int type,
                                              String authentication)

This is called by a client to join a session of the given name on a given address/port with the given authentification. It makes a connection to the server, writes out the join authentication session request, and gets back the object referring to the owner of that session. It then contacts that owner's SessionManager and asks it to dump the state of the session. It unmarshalls and returns the session.

 public synchronized void dumpSharable(MarshallInput in,
                                       MarshallOutput out)

This method is called when a SessionManager is asked to dump the state of either a Session or a Collobject.

 public synchronized void dumpSharable(Sharable toDump,
                                       String toWho,
                                       MarshallOutput out)

This method is called when a SessionManager is asked to dump the state of either a Session or a Collobject.

 public boolean good()

 protected static int minorVersionNumber()

 protected static int majorVersionNumber()

 public static String releaseNumber()

 public static void setAppletContext(AppletContext ac)

 public static AppletContext getAppletContext()

 public static InetAddress findAddress(String key)

 public void setLatestNeighborhood(String hood)

 public String getLatestNeighborhood()

 protected void notifyNeighborhood(String sessionName,
                                   String server,
                                   String portNum)

 public void setClipboard(ImagePrimitiveP clipboard)

 public ImagePrimitiveP getClipboard()

 public void sendBeep(SessionParticipant p)

 public void setCollaborativeEnvironment(Object e)

 public Object getCollaborativeEnvironment()

 public boolean isEnvironmentInterface(String className)

 public boolean isInterface(Object object,
                            String className)

 public WarningAware getEnvAsWarningAware()

 public SessionsAware getEnvAsSessionsAware()

 public ParticipantsAware getEnvAsParticipantsAware()

 public ToolsAware getEnvAsToolsAware()

 public EnvironmentAware getEnvAsEnvironmentAware()

 public ReplayController getReplayController()

Returns:

returns the replay object for the user

 public void setReplay(ReplayController newReplayController)

Parameters:

newReplayController - the new replay controller

Returns:

sets the replay controller

 public void checkSessionExistence(MarshallInput in,
                                   MarshallOutput out)

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