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From "Claus Ibsen (JIRA)" <>
Subject [jira] [Updated] (AMQ-3876) WireTap of TransportConnector messages for diagnostic purposes
Date Sat, 08 Sep 2012 09:37:08 GMT


Claus Ibsen updated AMQ-3876:

    Fix Version/s: NEEDS_REVIEWED

At first though I think it would be cool with a easy to setup and use wireTap on a transport
> WireTap of TransportConnector messages for diagnostic purposes
> --------------------------------------------------------------
>                 Key: AMQ-3876
>                 URL:
>             Project: ActiveMQ
>          Issue Type: New Feature
>            Reporter: Arthur Naseef
>            Priority: Minor
>             Fix For: NEEDS_REVIEWED
>         Attachments:, WiretapPrototype1.patch
> Being able to tap into the flow of messages on a TransportConnection would greatly help
with diagnosing problems such as complaints from clients that they are not receiving messages.
> Think "tcpdump" for broker traffic.
> A rough, working prototype will be attached.
> The idea in the prototype is a new Connector on the BrokerService which does the following:
> * accepts connections from a wire-tap tool (application)
> * accepts a request to tap a specific TransportConnection
> * adds a tap to the TransportConnection (requires change to TransportConnection)
> * sends a copy of every command sent over the connection, via the {{oneway}} call, to
the tap
> After posting the prototype, I'll post wish-list items.
> If someone with more knowledge and background working with connectors can pick this up,
that would be great.  Otherwise, I'll plan to implement it, looking for any advice.  For example,
one concern is that the tap should prefer to drop content rather than either (a) use large
amounts of resources to buffer them, or (b) in any way impacting the normal flow on the TransportConnection.

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