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http2: always wait for readable socket 

Since the server can at any time send a HTTP/2 frame to us, we need to
wait for the socket to be readable during all transfers so that we can
act on incoming frames even when uploading etc.

Reminded-by: Tatsuhiro Tsujikawa
This commit is contained in:
Daniel Stenberg 2016-08-05 00:42:52 +02:00
parent 9803e832d9
commit ea45b4334f
1 changed files with 3 additions and 2 deletions
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5
lib/http2.c
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@ -92,8 +92,9 @@ static int http2_perform_getsock(const struct connectdata *conn,
because of renegotiation. */
sock[0] = conn->sock[FIRSTSOCKET];
if(nghttp2_session_want_read(c->h2))
bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
/* in a HTTP/2 connection we can basically always get a frame so we should
always be ready for one */
bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
if(nghttp2_session_want_write(c->h2))
bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);