Examples of javax.sip.TimeoutEvent

javax.sip.TimeoutEvent
This class represents an Timeout event that is passed from a SipProvider to its SipListener. A specific message may need retransmitted on a specific transaction numerous times before it is acknowledged by the receiver. If the message is not acknowledged after a specified period in the underlying implementation the transaction will expire, this occurs usually after seven retransmissions. The mechanism to alert an application that a message for a an underlying transaction needs retransmitted (i.e. 200OK) or an underlying transaction has expired is a Timeout Event.
A Timeout Event can be of two different types, namely:
- {@link Timeout#RETRANSMIT}
- {@link Timeout#TRANSACTION}
A TimeoutEvent contains the following information:
- source - the SipProvider that sent the TimeoutEvent.
- transaction - the transaction that this Timeout applies to.
- isServerTransaction - boolean indicating whether the transaction refers to a client or server transaction.
- timeout - indicates what type of {@link Timeout} occurred.
@see Timeout @author BEA Systems, NIST @version 1.2

                    if (lastResponse.getStatusCode() / 100 > 2 && !this.isAckSeen)
                        super.sendMessage(lastResponse);
                } else {
                    // alert the application to retransmit the last response
                    SipProviderImpl sipProvider = (SipProviderImpl) this.getSipProvider();
                    TimeoutEvent txTimeout = new TimeoutEvent(sipProvider, this,
                            Timeout.RETRANSMIT);
                    sipProvider.handleEvent(txTimeout, this);
                }


            }

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                        }
                        lastRequest.setHeader(timeStamp);
                    }
                    super.sendMessage(lastRequest);
                    if (this.notifyOnRetransmit) {
                        TimeoutEvent txTimeout = new TimeoutEvent(this.getSipProvider(), this,
                                Timeout.RETRANSMIT);
                        this.getSipProvider().handleEvent(txTimeout, this);
                    }
                    if (this.timeoutIfStillInCallingState
                            && this.getState() == TransactionState.CALLING) {
                        this.callingStateTimeoutCount--;
                        if (callingStateTimeoutCount == 0) {
                            TimeoutEvent timeoutEvent = new TimeoutEvent(this.getSipProvider(),
                                    this, Timeout.RETRANSMIT);
                            this.getSipProvider().handleEvent(timeoutEvent, this);
                            this.timeoutIfStillInCallingState = false;
                        }

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                        resendLastResponseAsBytes();
                    }
                } else {
                    // alert the application to retransmit the last response
                    SipProviderImpl sipProvider = (SipProviderImpl) this.getSipProvider();
                    TimeoutEvent txTimeout = new TimeoutEvent(sipProvider, this,
                            Timeout.RETRANSMIT);
                    sipProvider.handleEvent(txTimeout, this);
                }


            }

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                      resendLastResponseAsBytes();
                    }
                } else {
                    // alert the application to retransmit the last response
                    SipProviderImpl sipProvider = (SipProviderImpl) this.getSipProvider();
                    TimeoutEvent txTimeout = new TimeoutEvent(sipProvider, this,
                            Timeout.RETRANSMIT);
                    sipProvider.handleEvent(txTimeout, this);
                }


            }

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                        "TransportError occured on " + transaction);
            }
            // Treat this like a timeout event. (Suggestion from Christophe).
            Object errorObject = transactionErrorEvent.getSource();
            Timeout timeout = Timeout.TRANSACTION;
            TimeoutEvent ev = null;


            if (errorObject instanceof SIPServerTransaction) {
                ev = new TimeoutEvent(this, (ServerTransaction) errorObject,
                        timeout);
            } else {
                SIPClientTransaction clientTx = (SIPClientTransaction) errorObject;
                Hop hop = clientTx.getNextHop();
                if ( sipStack.getRouter() instanceof RouterExt ) {
                    ((RouterExt) sipStack.getRouter()).transactionTimeout(hop);
                }
                ev = new TimeoutEvent(this, (ClientTransaction) errorObject,
                        timeout);
            }
            // Handling transport error like timeout
            this.handleEvent(ev, (SIPTransaction) errorObject);
        } else if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TIMEOUT_ERROR) {
            // This is a timeout event.
            Object errorObject = transactionErrorEvent.getSource();
            Timeout timeout = Timeout.TRANSACTION;
            TimeoutEvent ev = null;


            if (errorObject instanceof SIPServerTransaction) {
                ev = new TimeoutEvent(this, (ServerTransaction) errorObject,
                        timeout);
            } else {
                SIPClientTransaction clientTx = (SIPClientTransaction) errorObject;
                Hop hop = clientTx.getNextHop();
                if ( sipStack.getRouter() instanceof RouterExt ) {
                    ((RouterExt) sipStack.getRouter()).transactionTimeout(hop);
                }


                ev = new TimeoutEvent(this, (ClientTransaction) errorObject,
                        timeout);
            }
            this.handleEvent(ev, (SIPTransaction) errorObject);


        } else if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TIMEOUT_RETRANSMIT) {
            // This is a timeout retransmit event.
            // We should never get this if retransmit filter is
            // enabled (ie. in that case the stack should handle.
            // all retransmits.
            Object errorObject = transactionErrorEvent.getSource();
            Transaction tx = (Transaction) errorObject;


            if (tx.getDialog() != null)
                InternalErrorHandler.handleException("Unexpected event !",
                        this.logger);


            Timeout timeout = Timeout.RETRANSMIT;
            TimeoutEvent ev = null;


            if (errorObject instanceof SIPServerTransaction) {
                ev = new TimeoutEvent(this, (ServerTransaction) errorObject,
                        timeout);
            } else {
                ev = new TimeoutEvent(this, (ClientTransaction) errorObject,
                        timeout);
            }
            this.handleEvent(ev, (SIPTransaction) errorObject);
        }
    }

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                        }
                        lastRequest.setHeader(timeStamp);
                    }
                    super.sendMessage(lastRequest);
                    if (this.notifyOnRetransmit) {
                        TimeoutEvent txTimeout = new TimeoutEvent(this.getSipProvider(), this,
                                Timeout.RETRANSMIT);
                        this.getSipProvider().handleEvent(txTimeout, this);
                    }
                    if (this.timeoutIfStillInCallingState
                            && this.getInternalState() == TransactionState._CALLING) {
                        this.callingStateTimeoutCount--;
                        if (callingStateTimeoutCount == 0) {
                            TimeoutEvent timeoutEvent = new TimeoutEvent(this.getSipProvider(),
                                    this, Timeout.RETRANSMIT);
                            this.getSipProvider().handleEvent(timeoutEvent, this);
                            this.timeoutIfStillInCallingState = false;
                        }

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        public void runTask() {
            SIPClientTransaction ct = SIPClientTransaction.this;
            SipProviderImpl provider = ct.getSipProvider();
     
            if (ct.getState() != TransactionState.TERMINATED ) {
                TimeoutEvent tte = new TimeoutEvent(SIPClientTransaction.this.getSipProvider(), 
                        SIPClientTransaction.this, Timeout.TRANSACTION);
                provider.handleEvent(tte, ct);
            } else {
                if ( SIPClientTransaction.this.logger.isLoggingEnabled(LogWriter.TRACE_DEBUG) ) {
                    SIPClientTransaction.this.logger.logDebug("state = " + ct.getState());

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                    if (lastResponse.getStatusCode() / 100 > 2 && !this.isAckSeen)
                        super.sendMessage(lastResponse);
                } else {
                    // alert the application to retransmit the last response
                    SipProviderImpl sipProvider = (SipProviderImpl) this.getSipProvider();
                    TimeoutEvent txTimeout = new TimeoutEvent(sipProvider, this,
                            Timeout.RETRANSMIT);
                    sipProvider.handleEvent(txTimeout, this);
                }


            }

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                      resendLastResponseAsBytes(false);
                    }
                } else {
                    // alert the application to retransmit the last response
                    SipProviderImpl sipProvider = (SipProviderImpl) this.getSipProvider();
                    TimeoutEvent txTimeout = new TimeoutEvent(sipProvider, this,
                            Timeout.RETRANSMIT);
                    sipProvider.handleEvent(txTimeout, this);
                }


            }

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                        "TransportError occured on " + transaction);
            }
            // Treat this like a timeout event. (Suggestion from Christophe).
            Object errorObject = transactionErrorEvent.getSource();
            Timeout timeout = Timeout.TRANSACTION;
            TimeoutEvent ev = null;


            if (errorObject instanceof SIPServerTransaction) {
                ev = new TimeoutEvent(this, (ServerTransaction) errorObject,
                        timeout);
            } else {
                SIPClientTransaction clientTx = (SIPClientTransaction) errorObject;
                Hop hop = clientTx.getNextHop();
                if ( sipStack.getRouter() instanceof RouterExt ) {
                    ((RouterExt) sipStack.getRouter()).transactionTimeout(hop);
                }
                ev = new TimeoutEvent(this, (ClientTransaction) errorObject,
                        timeout);
            }
            // Handling transport error like timeout
            this.handleEvent(ev, (SIPTransaction) errorObject);
        } else if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TIMEOUT_ERROR) {
            // This is a timeout event.
            Object errorObject = transactionErrorEvent.getSource();
            Timeout timeout = Timeout.TRANSACTION;
            TimeoutEvent ev = null;


            if (errorObject instanceof SIPServerTransaction) {
                ev = new TimeoutEvent(this, (ServerTransaction) errorObject,
                        timeout);
            } else {
                SIPClientTransaction clientTx = (SIPClientTransaction) errorObject;
                Hop hop = clientTx.getNextHop();
                if ( sipStack.getRouter() instanceof RouterExt ) {
                    ((RouterExt) sipStack.getRouter()).transactionTimeout(hop);
                }


                ev = new TimeoutEvent(this, (ClientTransaction) errorObject,
                        timeout);
            }
            this.handleEvent(ev, (SIPTransaction) errorObject);


        } else if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TIMEOUT_RETRANSMIT) {
            // This is a timeout retransmit event.
            // We should never get this if retransmit filter is
            // enabled (ie. in that case the stack should handle.
            // all retransmits.
            Object errorObject = transactionErrorEvent.getSource();
            Transaction tx = (Transaction) errorObject;


            if (tx.getDialog() != null)
                InternalErrorHandler.handleException("Unexpected event !",
                        this.sipStack.getStackLogger());


            Timeout timeout = Timeout.RETRANSMIT;
            TimeoutEvent ev = null;


            if (errorObject instanceof SIPServerTransaction) {
                ev = new TimeoutEvent(this, (ServerTransaction) errorObject,
                        timeout);
            } else {
                ev = new TimeoutEvent(this, (ClientTransaction) errorObject,
                        timeout);
            }
            this.handleEvent(ev, (SIPTransaction) errorObject);
        }
    }

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gov.nist.javax.sip.SipProviderImpl

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