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[MINOR] http: detect tunnel mode and set it in the session

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In order to support keepalive, we'll have to differentiate
normal sessions from tunnel sessions, which are the ones we
don't want to analyse further.

Those are typically the CONNECT requests where we don't care
about any form of content-length, as well as the requests
which are forwarded on non-close and non-keepalive proxies.
This commit is contained in:
Willy Tarreau 2009-11-30 12:19:56 +01:00
parent b86db34fe0
commit d0f06fc4b2
2 changed files with 10 additions and 1 deletions
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2
include/types/session.h
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@ -52,7 +52,7 @@
#define SN_REDISP 0x00000100 /* set if this session was redispatched from one server to another */
#define SN_CONN_TAR 0x00000200 /* set if this session is turning around before reconnecting */
#define SN_REDIRECTABLE 0x00000400 /* set if this session is redirectable (GET or HEAD) */
/* unused: 0x00000800 */
#define SN_TUNNEL 0x00000800 /* tunnel-mode session, nothing to catch after data */
/* session termination conditions, bits values 0x1000 to 0x7000 (0-7 shift 12) */
#define SN_ERR_NONE 0x00000000

9
src/proto_http.c
View File

@ -2611,6 +2611,15 @@ int http_process_request(struct session *s, struct buffer *req, int an_bit)
}
}
/* indicate in the session if it will be a tunnel-mode one or not. If
* we don't intend to analyse contents after the first request, it's a
* tunnel.
*/
if (s->txn.meth == HTTP_METH_CONNECT ||
!((s->fe->options|s->be->options) & (PR_O_KEEPALIVE|PR_O_HTTP_CLOSE|PR_O_FORCE_CLO)))
s->flags |= SN_TUNNEL;
/* 11: add "Connection: close" if needed and not yet set. */
if (!(s->flags & SN_CONN_CLOSED) &&
((s->fe->options | s->be->options) & (PR_O_HTTP_CLOSE|PR_O_FORCE_CLO))) {