Re: Redirection with TCP

Verena,

This problem has been fixed and the cvs repository has been updated. 
Give it a spin and let me know if it bombs.

Ranga

Verena Kahmann wrote:

> Ranga,
> I've made up the example with shootist/shootme, actually it has the 
> same problems, using UDP works but TCP does not. I give you the code 
> (it's just a quick hack, sorry, but I think you'll get the meaning out 
> of it) and all traces with udp/tcp. Maybe you can give it a try 
> yourself or you'll see what is getting wrong. It's a little difficult 
> to exactly mark where the problem is, since nothing happens for the 
> second INVITE with TCP whereas with UDP things just work.
>
> Thanks and Regards,
> Verena
>
>
> M. Rangnathan wrote:
>
>> Verena,
>>
>> I am afraid I dont understand the scenario. Are you saying you cannot 
>> see second invite via TCP?  Can you perhaps make up a really simple 
>> example along the lines of  examples.busy.Shootist.java / 
>> Shootme.java  (should be realively simple to modify and would save me 
>> some time) so I can debug the problem and revert back to you quickly. 
>> Please annotate the problem as comments in your code.
>>
>> Thanks
>>
>> Regards
>>
>> Ranga
>>
>> Verena Kahmann wrote:
>>
>>> Hi,
>>>
>>> I've made up a little conferencing service which issues a 302 Moved 
>>> Temporarily to a certain conferencing URI after being invited. The 
>>> client then sends an INVITE to this URI. This works if UDP is used, 
>>> and also worked with TCP using the "old" 1.1, but with the new 
>>> version from CVS it doesn't work with TCP. The new INVITE packet 
>>> arrives at the conferencing host and is acked by TCP, but it doesn't 
>>> seem to arrive at the stack.
>>>
>>> Below is an excerpt from the debug log. The client stack has sent an 
>>> ACK to the 302 Moved (which is correct behavior, I think). The 
>>> server stack seems to fire a timer, but I cannot make more out of 
>>> the debug log, sorry..
>>>
>>> Maybe you can help me out of this. Should the new INVITE be sent to 
>>> a different TCP connection to be successful? Or is there any other 
>>> thing that must be kept in mind when using TCP?
>>>
>>> I may also send more information about the single messages 
>>> exchanged, if you're interested.
>>>
>>> Best regards,
>>> Verena
>>>
>>>
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.TCPMessageChannel.processMessage(TCPMessageChannel.java:428) 
>>> [----Processing Message---]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransactionStack.newSIPServerRequest(SIPTransactionStack.java:821) 
>>> [newSIPServerRequest( 
>>> ACK:z9hG4bKb497f3feb691f9b7d6b750ebb2bb8186):gov.nist.javax.sip.stack.SIPServerTransaction 
>>>
>>> @1d2f8935]
>>> DEBUG - 
>>> gov.nist.javax.sip.NistSipMessageFactoryImpl.newSIPServerRequest(NistSipMessageFactoryImpl.java:62) 
>>> [Returning request interface for ACK sip:134.169.34.40:5074 SIP/2.0^M
>>> gov.nist.javax.sip.NistSipMessageHandlerImpl@49d67c messageChannel = 
>>> gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction.fireTimer(SIPTransaction.java:568) 
>>> [fireTimer gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935 
>>> retransmissionTicks -1]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPClientTransaction$TransactionTimer.run(SIPClientTransaction.java:176) 
>>> [removing  = gov.nist.javax.sip.stack.SIPClientTransaction@af8a64de 
>>> isReliable true]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransactionStack.removeTransaction(SIPTransactionStack.java:1044) 
>>> [Removing Transaction = z9hg4bk7f78052b5a170311d23df3dbf13bb23d]
>>> DEBUG - 
>>> gov.nist.javax.sip.SipProviderImpl.handleEvent(SipProviderImpl.java:91) 
>>> [handleEvent 
>>> javax.sip.TransactionTerminatedEvent[source=gov.nist.javax.sip.SipProviderImpl@b8f8eb]currentTransaction 
>>> = gov.nist.javax.
>>> [email protected] = 
>>> [email protected] = 
>>> gov.nist.javax.sip.SipProviderImpl@b8f8eb]
>>> DEBUG - gov.nist.core.LogWriter.logStackTrace(LogWriter.java:102) 
>>> [[SipProviderImpl.java:103][SIPTransactionStack.java:1076][SIPClientTransaction.java:182][Timer.java:512][Timer.java:462]] 
>>>
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPClientTransaction$TransactionTimer.run(SIPClientTransaction.java:242) 
>>> [Client Use Count = 3]
>>> DEBUG - gov.nist.javax.sip.EventScanner.run(EventScanner.java:396) 
>>> [Processing gov.nist.javax.sip.EventWrapper@1a06e38nevents 1]
>>> DEBUG - 
>>> gov.nist.javax.sip.EventScanner.deliverEvent(EventScanner.java:325) 
>>> [About to deliver transactionTerminatedEvent]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction.fireTimer(SIPTransaction.java:568) 
>>> [fireTimer gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935 
>>> retransmissionTicks -1]
>>> ... many more ..
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPServerTransaction.fireTimeoutTimer(SIPServerTransaction.java:963) 
>>> [SIPServerTransaction.fireTimeoutTimer Completed Transaction method 
>>> = INVITE]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransactionStack.isDialogCreated(SIPTransactionStack.java:312) 
>>> [isDialogCreated : INVITE returning true]
>>> DEBUG - 
>>> gov.nist.javax.sip.SipProviderImpl.handleEvent(SipProviderImpl.java:91) 
>>> [handleEvent 
>>> javax.sip.TimeoutEvent[source=gov.nist.javax.sip.SipProviderImpl@b8f8eb]currentTransaction 
>>> = gov.nist.javax.sip.stack.SIPS
>>> [email protected] = 
>>> [email protected] = 
>>> gov.nist.javax.sip.SipProviderImpl@b8f8eb]
>>> DEBUG - gov.nist.core.LogWriter.logStackTrace(LogWriter.java:102) 
>>> [[SipProviderImpl.java:103][SipProviderImpl.java:854][SIPTransaction.java:757][SIPServerTransaction.java:981][SIPTransaction.java:577][SIPServerTrans 
>>>
>>> action.java:290][Timer.java:512][Timer.java:462]]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction.setState(SIPTransaction.java:492) 
>>> [Transaction:setState Terminated Transaction 
>>> gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935 branchID = 
>>> z9hG4bKb497f3feb691f9b
>>> 7d6b750ebb2bb8186 isClient = false]
>>> DEBUG - gov.nist.core.LogWriter.logStackTrace(LogWriter.java:102) 
>>> [[SIPTransaction.java:495][SIPServerTransaction.java:1175][SIPTransaction.java:767][SIPServerTransaction.java:981][SIPTransaction.java:577][SIPServer 
>>>
>>> Transaction.java:290][Timer.java:512][Timer.java:462]]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction.setState(SIPTransaction.java:492) 
>>> [Transaction:setState Terminated Transaction 
>>> gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935 branchID = 
>>> z9hG4bKb497f3feb691f9b
>>> 7d6b750ebb2bb8186 isClient = false]
>>> DEBUG - gov.nist.core.LogWriter.logStackTrace(LogWriter.java:102) 
>>> [[SIPTransaction.java:495][SIPServerTransaction.java:1175][SIPServerTransaction.java:983][SIPTransaction.java:577][SIPServerTransaction.java:290][Tim 
>>>
>>> er.java:512][Timer.java:462]]
>>> DEBUG - gov.nist.javax.sip.EventScanner.run(EventScanner.java:396) 
>>> [Processing gov.nist.javax.sip.EventWrapper@12a55aanevents 1]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction$LingerTimer.<init>(SIPTransaction.java:229) 
>>> [LingerTimer : gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction$LingerTimer.run(SIPTransaction.java:238) 
>>> [LingerTimer: run() : 
>>> gov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransaction$LingerTimer.run(SIPTransaction.java:246) 
>>> [removinggov.nist.javax.sip.stack.SIPServerTransaction@1d2f8935]
>>> DEBUG - 
>>> gov.nist.javax.sip.stack.SIPTransactionStack.removeTransaction(SIPTransactionStack.java:1044) 
>>> [Removing Transaction = z9hg4bkb497f3feb691f9b7d6b750ebb2bb8186]
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> nist-sip mailing list
>>> [email protected]
>>> http://www-x.antd.nist.gov/mailman/listinfo/nist-sip
>>
>>
>>
>>
>>


-- 
M. Ranganathan 

Advanced Networking Technologies Division,
National Institute of Standards and Technology (NIST),
100 Bureau Drive, Stop 8920, Gaithersburg, MD 20899. 
tel:301 975 3664 , fax:301 590 0932 http://w3.antd.nist.gov/
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