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MEDIUM: mux: make mux->rcv_buf() take a size_t for the count

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It also returns a size_t. This is in order to clean the API. Note
that the H2 mux still uses some ints in the functions called from
h2_rcv_buf(), though it's not really a problem given that H2 frames
are smaller. It may deserve a general cleanup later though.
This commit is contained in:
Willy Tarreau 2018-07-18 11:29:06 +02:00
parent bfc4d77ad3
commit d9cf540457
3 changed files with 6 additions and 6 deletions
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2
include/types/connection.h
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@ -297,7 +297,7 @@ struct mux_ops {
void (*send)(struct connection *conn); /* mux-layer send callback */
int (*wake)(struct connection *conn); /* mux-layer callback to report activity, mandatory */
void (*update_poll)(struct conn_stream *cs); /* commit cs flags to mux/conn */
int (*rcv_buf)(struct conn_stream *cs, struct buffer *buf, int count); /* Called from the upper layer to get data */
size_t (*rcv_buf)(struct conn_stream *cs, struct buffer *buf, size_t count); /* Called from the upper layer to get data */
size_t (*snd_buf)(struct conn_stream *cs, const struct buffer *buf, size_t count, int flags); /* Called from the upper layer to send data */
int (*rcv_pipe)(struct conn_stream *cs, struct pipe *pipe, unsigned int count); /* recv-to-pipe callback */
int (*snd_pipe)(struct conn_stream *cs, struct pipe *pipe); /* send-to-pipe callback */

4
src/mux_h2.c
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@ -2920,11 +2920,11 @@ static int h2_frt_transfer_data(struct h2s *h2s, struct buffer *buf, int count)
* caller is responsible for never asking for more data than what is available
* in the buffer.
*/
static int h2_rcv_buf(struct conn_stream *cs, struct buffer *buf, int count)
static size_t h2_rcv_buf(struct conn_stream *cs, struct buffer *buf, size_t count)
{
struct h2s *h2s = cs->ctx;
struct h2c *h2c = h2s->h2c;
int ret = 0;
size_t ret = 0;
if (h2c->st0 != H2_CS_FRAME_P)
return 0; // no pre-parsed frame yet

6
src/mux_pt.c
View File

@ -159,16 +159,16 @@ static void mux_pt_shutw(struct conn_stream *cs, enum cs_shw_mode mode)
/*
* Called from the upper layer, to get more data
*/
static int mux_pt_rcv_buf(struct conn_stream *cs, struct buffer *buf, int count)
static size_t mux_pt_rcv_buf(struct conn_stream *cs, struct buffer *buf, size_t count)
{
int ret;
size_t ret;
ret = cs->conn->xprt->rcv_buf(cs->conn, buf, count);
if (conn_xprt_read0_pending(cs->conn))
cs->flags |= CS_FL_EOS;
if (cs->conn->flags & CO_FL_ERROR)
cs->flags |= CS_FL_ERROR;
return (ret);
return ret;
}
/* Called from the upper layer, to send data */