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MINOR: frontend: retrieve the ALPN name when available

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Here we try to retrieve the negociated ALPN on the front connection.
This will be used to decide whether or not we want to switch to H2.
This commit is contained in:
Willy Tarreau 2016-12-04 18:59:29 +01:00
parent 8743f7e567
commit 0cfe3887de
1 changed files with 8 additions and 0 deletions
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8
src/frontend.c
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@ -56,6 +56,14 @@ int frontend_accept(struct stream *s)
struct connection *conn = objt_conn(sess->origin);
struct listener *l = sess->listener;
struct proxy *fe = sess->fe;
const char *alpn_str = NULL;
int alpn_len;
/* check if we're in HTTP mode, directly connected to the connection,
* and with ALPN advertising H2.
*/
if (conn->owner == &s->si[0])
conn_get_alpn(conn, &alpn_str, &alpn_len);
if ((fe->mode == PR_MODE_TCP || fe->mode == PR_MODE_HTTP)
&& (!LIST_ISEMPTY(&fe->logsrvs))) {