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[core] update comment about server.max-write-idle

This commit is contained in:
Glenn Strauss 2021-09-09 16:14:33 -04:00
parent e97a5b7e49
commit 4763e08c07
1 changed files with 9 additions and 2 deletions
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11
src/connections.c
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@ -1494,8 +1494,15 @@ static void connection_check_timeout (connection * const con, const unix_time64_
/* max_write_idle timeout currently functions as backend timeout,
* too, after response has been started.
* future: have separate backend timeout, and then change this
* to check for write interest before checking for timeout */
* Although backend timeouts now exist, there is no default for timeouts
* to backends, so were this client timeout now to be changed to check
* for write interest to the client, then timeout would not occur if the
* backend hung and there was no backend read timeout set. Therefore,
* max_write_idle timeout remains timeout for both reading from backend
* and writing to client, though this check here is only for HTTP/1.1.
* In the future, if there were a quick way to detect that a backend
* read timeout was in effect, then this timeout could check for write
* interest to client. (not a priority) */
/*if (waitevents & FDEVENT_OUT)*/
if (r->http_version <= HTTP_VERSION_1_1
&& r->state == CON_STATE_WRITE && con->write_request_ts != 0) {