Query timeout parameter
-----------------------
Key: HTTPCLIENT-1074
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1074
Project: HttpComponents HttpClient
Issue Type: New Feature
Affects Versions: 4.0.3
Reporter: Stepan Koltsov
Priority: Minor
HttpClient has connect timeout and read timeout. I also need a "query timeout"
parameter.
Have a situation:
We are some server "B". Client "A" calls us with timeout 10s. To serve requests
we call some internal HTTP service "C":
A -> B -> C
HttpClient is used to call C from B.
Our call to that service "C" should be completed within 9s or should be
interrupted, because:
* client "A" should get meaningful error message instead of just socket timeout
* we should not consume server resources (threads, connection) after client "A"
stopped a request
This behavior cannot be implemented with just connect timeout + socket timeout.
For example, if socket timeout is 5 seconds, and client sends 1 byte portions,
socket timeout won't happen for a long time.
So I'm requesting "query timeout" parameter. It's value is a system time
(milliseconds since epoch). HttpClient should execute request with respect to
connect timeout and socket timeout as usual, but if "query timeout" time has
come, HttpClient throws an exception.
AFAIU, this behavior can be now achieved by using a extra thread and abort()
method.
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