Salut
Eric Faden wrote:
> I think that helps. I am going to start digging in to this problem this
> week. Hopefully should get a prototype working. I'll let you know if I
> have more questions.
Perfect :-) Thanks to put us on the radar :-)
A+
-- Jeanfrancois
>
> -Eric
>
> Jeanfrancois Arcand wrote:
>> Salut,
>>
>> Eric Faden wrote:
>>> Dead link as in a no longer viable TCP socket. E.g. black holed
>>> etc. I want to detect it from the server end and kill the client,
>>> and detect it from the client end to start reconnection attempts.
>>
>> with NIO, when a client close a connection, an NIO Selector wakes up
>> and the only way you can detect if the connection has been closed is
>> by do an operation on the connection, e.g. channel.read()/write(). So
>> if you want to detect a dead connection, you have to register for
>> OP_READ events and try to do a read. I know that sucks but that's the
>> only way for doing it using NIO. Are the connection created using the
>> Grizzly ConnectorHandler? If yes, make sure your CallbackHandler is
>> looking for:
>>
>> channel.read() == -1 or throw IOExceptoion (thanks win32 to act
>> differently).
>>
>> Those 2 use cases happens when the remote server/client close the
>> connection.
>>
>> Does that help?
>>
>> Thanks
>>
>> -- Jeanfrancois
>>
>>
>>
>>
>>>
>>> -Eric
>>>
>>> Jeanfrancois Arcand wrote:
>>>> Salut,
>>>>
>>>> Eric Faden wrote:
>>>>> Does anyone have an example of a pinger/heartbeater for dead link
>>>>> detection? I have been looking into writing one and am still
>>>>> unsure where to put it into the stack.
>>>>
>>>> By dead link, you mean a dead connection or a dead port on the
>>>> server side? Sorry if my question looks stupid :-)
>>>>
>>>> A+
>>>>
>>>> --Jeanfrancois
>>>>
>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
>>>>> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
>>>> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>>>>
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
>>> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
>> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>