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MINOR: mux_h2: Don't use h2_send() as a callback.

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Instead of using h2_send() directly as a callback, introcude h2_io_cb(), that
will call h2_send() if it is possible to send data.
This commit is contained in:
Olivier Houchard 2018-08-02 18:56:36 +02:00 committed by Willy Tarreau
parent 8f0b4c66f5
commit 29fb89dc5e
1 changed files with 19 additions and 10 deletions
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29
src/mux_h2.c
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@ -219,7 +219,8 @@ static const struct h2s *h2_idle_stream = &(const struct h2s){
};
static struct task *h2_timeout_task(struct task *t, void *context, unsigned short state);
static struct task *h2_send(struct task *t, void *ctx, unsigned short state);
static void h2_send(struct h2c *h2c);
static struct task *h2_io_cb(struct task *t, void *ctx, unsigned short state);
static inline struct h2s *h2c_st_by_id(struct h2c *h2c, int id);
static int h2_frt_decode_headers(struct h2s *h2s);
static int h2_frt_transfer_data(struct h2s *h2s);
@ -367,8 +368,8 @@ static int h2c_frt_init(struct connection *conn)
h2c->wait_list.task = tasklet_new();
if (!h2c->wait_list.task)
goto fail;
h2c->wait_list.task->process = h2_send;
h2c->wait_list.task->context = conn;
h2c->wait_list.task->process = h2_io_cb;
h2c->wait_list.task->context = h2c;
h2c->wait_list.wait_reason = 0;
h2c->ddht = hpack_dht_alloc(h2_settings_header_table_size);
@ -2218,18 +2219,17 @@ static void h2_recv(struct connection *conn)
}
/* Try to send data if possible */
static struct task *h2_send(struct task *t, void *ctx, unsigned short state)
static void h2_send(struct h2c *h2c)
{
struct connection *conn = ctx;
struct h2c *h2c = conn->mux_ctx;
struct connection *conn = h2c->conn;
int done;
if (conn->flags & CO_FL_ERROR)
return NULL;
return;
if (conn->flags & (CO_FL_HANDSHAKE|CO_FL_WAIT_L4_CONN|CO_FL_WAIT_L6_CONN)) {
/* a handshake was requested */
return NULL;
return;
}
/* This loop is quite simple : it tries to fill as much as it can from
@ -2297,10 +2297,19 @@ static struct task *h2_send(struct task *t, void *ctx, unsigned short state)
}
/* We're done, no more to send */
if (!b_data(&h2c->mbuf))
return NULL;
return;
schedule:
if (LIST_ISEMPTY(&h2c->wait_list.list))
conn->xprt->subscribe(conn, SUB_CAN_SEND, &h2c->wait_list);
return;
}
static struct task *h2_io_cb(struct task *t, void *ctx, unsigned short status)
{
struct h2c *h2c = ctx;
if (!(h2c->wait_list.wait_reason & SUB_CAN_SEND))
h2_send(h2c);
return NULL;
}
@ -2313,7 +2322,7 @@ static int h2_wake(struct connection *conn)
struct h2c *h2c = conn->mux_ctx;
struct session *sess = conn->owner;
h2_send(NULL, conn, 0);
h2_send(h2c);
if (b_data(&h2c->dbuf) && !(h2c->flags & H2_CF_DEM_BLOCK_ANY)) {
h2_process_demux(h2c);