[asterisk-dev] [Code Review] 3691: HTTP: Add persistent connection support.

[rmudgett]

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https://reviewboard.asterisk.org/r/3691/
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Review request for Asterisk Developers.


Bugs: ASTERISK-23552
    https://issues.asterisk.org/jira/browse/ASTERISK-23552


Repository: Asterisk


Description
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Persistent HTTP connection support is needed due to the increased usage of
the Asterisk core HTTP transport and the frequency at which REST API calls
are going to be issued.

* Add http.conf session_keep_alive option to enable persistent
connections.

* Parse and discard optional chunked body extension information and
trailing request headers.

* Increased the maximum application/json and
application/x-www-form-urlencoded body size allowed to 4k.  The previous
1k was kind of small.

* Removed a couple inlined versions of ast_http_manid_from_vars() by
calling the function.  manager.c:generic_http_callback() and
res_http_post.c:http_post_callback()

* Add missing va_end() in ast_ari_response_error().

* Eliminated unnecessary RAII_VAR() use in http.c:auth_create().


Diffs
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  /branches/12/res/res_phoneprov.c 417704 
  /branches/12/res/res_http_websocket.c 417704 
  /branches/12/res/res_http_post.c 417704 
  /branches/12/res/res_ari.c 417704 
  /branches/12/main/tcptls.c 417704 
  /branches/12/main/manager.c 417704 
  /branches/12/main/http.c 417704 
  /branches/12/include/asterisk/tcptls.h 417704 
  /branches/12/include/asterisk/http.h 417704 
  /branches/12/configs/http.conf.sample 417704 
  /branches/12/UPGRADE.txt 417704 

Diff: https://reviewboard.asterisk.org/r/3691/diff/


Testing
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Added debug messages showing when HTTP connections were opened and closed.
Performed the following operations:
http://127.0.0.1:8088/static/ajamdemo.html
https://127.0.0.1:8088/static/ajamdemo.html
http://127.0.0.1:8088/static/mantest.html
https://127.0.0.1:8088/static/mantest.html

Had sgalarneau perform ARI queries and actions with node.js.

The opened HTTP connections remained open and processed repeated requests until they idle timed out.

Performed the following get:
GET /httpstatus HTTP/1.1
Connection: close

Observed that the connection closed as requested when completed.


Thanks,

rmudgett

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