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https://issues.apache.org/jira/browse/PROTON-46?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rafael H. Schloming resolved PROTON-46.
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Resolution: Fixed
Assignee: Rafael H. Schloming
> No way to get at a message's subscription using pn_messenger_t and
> pn_message_t APIs
> -------------------------------------------------------------------------------------
>
> Key: PROTON-46
> URL: https://issues.apache.org/jira/browse/PROTON-46
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Reporter: William Henry
> Assignee: Rafael H. Schloming
> Priority: Blocker
> Labels: api
> Fix For: 0.2
>
>
> Motivation:
> Integrate with another messaging API. That other API may handle incoming
> messages differently based on their notion of a subscription. There is no
> way to know which subscription a message came in on when using the messenger
> API.
> It would be handier if I could just get something back form the API to help
> me track/lookup.
> What would be nice is two API additions.
> int pn_messenger_context_subscribe(pn_messenger_t *messenger, const char
> *source, void* context);
> int pn_messenger_context_get(pn_messenger_t *messenger, pn_message_t *msg,
> void* context);
> The get would return the context for that message based on the subscription.
> Alternatively what would be better is:
> int pn_messenger_subscribe(pn_messenger_t *messenger, const char *source,
> void* context);
> void *pn_message_subscribe_context(pn_message_t *msg);
> For C we can just leave it as NULL if we don't care about it and in the
> idiomatic APIs we can turn it into an optional argument.
> An incoming message would have it's subscription context stored with it when
> it arrives. No extra lookup required on the: void
> *pn_message_subscribe_context(pn_message_t *msg);
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