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49 lines
1.9 KiB
49 lines
1.9 KiB
From 3de8e7ab8d9125402cc1a8fb48ee475ee21d7d4c Mon Sep 17 00:00:00 2001
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From: Willy Tarreau <w@1wt.eu>
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Date: Wed, 25 Nov 2015 20:11:11 +0100
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Subject: [PATCH 06/10] BUG/MEDIUM: http: don't enable auto-close on the
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response side
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There is a bug where "option http-keep-alive" doesn't force a response
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to stay in keep-alive if the server sends the FIN along with the response
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on the second or subsequent response. The reason is that the auto-close
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was forced enabled when recycling the HTTP transaction and it's never
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disabled along the response processing chain before the SHUTR gets a
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chance to be forwarded to the client side. The MSG_DONE state of the
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HTTP response properly disables it but too late.
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There's no more reason for enabling auto-close here, because either it
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doesn't matter in non-keep-alive modes because the connection is closed,
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or it is automatically enabled by process_stream() when it sees there's
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no analyser on the stream.
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This bug also affects 1.5 so a backport is desired.
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(cherry picked from commit 714ea78c9a09fe6a35a1f2d86af8f7fc9abb64d1)
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(cherry picked from commit a15091be17f27fcf4e3a84338df1a8b732e396a1)
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---
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src/proto_http.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/src/proto_http.c b/src/proto_http.c
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index b32e778..5facfbb 100644
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--- a/src/proto_http.c
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+++ b/src/proto_http.c
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@@ -4946,11 +4946,13 @@ void http_end_txn_clean_session(struct session *s)
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s->rep->flags |= CF_EXPECT_MORE;
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}
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- /* we're removing the analysers, we MUST re-enable events detection */
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+ /* we're removing the analysers, we MUST re-enable events detection.
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+ * We don't enable close on the response channel since it's either
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+ * already closed, or in keep-alive with an idle connection handler.
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+ */
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channel_auto_read(s->req);
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channel_auto_close(s->req);
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channel_auto_read(s->rep);
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- channel_auto_close(s->rep);
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/* we're in keep-alive with an idle connection, monitor it */
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si_idle_conn(s->req->cons);
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--
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2.4.10
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