[jira] [Updated] (TS-2181) Add an identifier ID to remap rules, and corresponding log tag and plugin APIs

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom updated TS-2181:
------------------------------

    Fix Version/s: 4.2.0
    
> Add an identifier ID to remap rules, and corresponding log tag and plugin APIs
> ------------------------------------------------------------------------------
>
>                 Key: TS-2181
>                 URL: https://issues.apache.org/jira/browse/TS-2181
>             Project: Traffic Server
>          Issue Type: New Feature
>          Components: Logging, Remap API
>            Reporter: Leif Hedstrom
>             Fix For: 4.2.0
>
>
> It would be useful to be able to have an identifier (not necessarily unique) in remap rules. Something like e.g.
> {code}
> map http://example.com http://a.example.com @id="Rule 1"
> {code}
> Where the ID can be any freeform string up to say 32 characters (fixed size for efficient APIs). In addition, we would also add a new log tag, RID or some such, which can be used in custom log formats.
> Finally, since not all remapping happens through remap.config, we'd want to add two new APIs as well (this is where the fixed size string comes to play, to avoid allocations):
> {code}
> const char* TSRemapIdentifierGet();
> {code}
> and
> {code}
> TSReturnCode TSRemapIdentifierSet(const char* str);
> {code}
> The string is guaranteed to be NULL terminated (for the Get()'er to be safe and easy to use).
> Question: Does it makes sense to instead use a (char*, int) to pass along ? I think not personally, and we have precedence in both (in marshaled buffers, this makes more sense).

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