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MEDIUM: sink: Update the sink applets to use their own buffers

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Thanks to this patch, the sink applets is now using their own buffers.
.rcv_buf and .snd_buf callback functions are now defined to use the default
raw functions. The applet API is now used and any dependencies on the
stream-connectors and the channels were removed.
This commit is contained in:
Christopher Faulet 2025-07-22 18:46:38 +02:00
parent 5da704b55f
commit 576361c23e
1 changed files with 16 additions and 7 deletions
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23
src/sink.c
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@ -419,7 +419,6 @@ void sink_setup_proxy(struct proxy *px)
static void _sink_forward_io_handler(struct appctx *appctx,
ssize_t (*msg_handler)(void *ctx, struct ist v1, struct ist v2, size_t ofs, size_t len, char delim))
{
struct stconn *sc = appctx_sc(appctx);
struct sink_forward_target *sft = appctx->svcctx;
struct sink *sink = sft->sink;
struct ring *ring = sink->ctx.ring;
@ -427,9 +426,8 @@ static void _sink_forward_io_handler(struct appctx *appctx,
size_t processed;
int ret = 0;
if (unlikely(se_fl_test(appctx->sedesc, (SE_FL_EOS|SE_FL_ERROR)))) {
if (unlikely(applet_fl_test(appctx, APPCTX_FL_EOS|APPCTX_FL_ERROR)))
goto out;
}
/* if stopping was requested, close immediately */
if (unlikely(stopping))
@ -438,9 +436,13 @@ static void _sink_forward_io_handler(struct appctx *appctx,
/* if the connection is not established, inform the stream that we want
* to be notified whenever the connection completes.
*/
if (sc_opposite(sc)->state < SC_ST_EST) {
if (se_fl_test(appctx->sedesc, SE_FL_APPLET_NEED_CONN)) {
applet_need_more_data(appctx);
se_need_remote_conn(appctx->sedesc);
applet_have_more_data(appctx);
goto out;
}
if (!applet_get_outbuf(appctx)) {
applet_have_more_data(appctx);
goto out;
}
@ -489,7 +491,7 @@ static void _sink_forward_io_handler(struct appctx *appctx,
out:
/* always drain data from server */
co_skip(sc_oc(sc), sc_oc(sc)->output);
applet_reset_input(appctx);
return;
soft_close:
@ -497,7 +499,9 @@ static void _sink_forward_io_handler(struct appctx *appctx,
* soft_close will result in the port staying in TIME_WAIT state:
* don't abuse from soft_close!
*/
se_fl_set(appctx->sedesc, SE_FL_EOS|SE_FL_EOI);
applet_set_eoi(appctx);
applet_set_eos(appctx);
/* if required, hard_close could be achieve by using SE_FL_EOS|SE_FL_ERROR
* flag combination: RST will be sent, TIME_WAIT will be avoided as if
* we performed a normal close with NOLINGER flag set
@ -568,6 +572,7 @@ static int sink_forward_session_init(struct appctx *appctx)
s->do_log = NULL;
s->uniq_id = 0;
se_need_remote_conn(appctx->sedesc);
applet_expect_no_data(appctx);
HA_SPIN_UNLOCK(SFT_LOCK, &sft->lock);
@ -598,6 +603,8 @@ static struct applet sink_forward_applet = {
.obj_type = OBJ_TYPE_APPLET,
.name = "<SINKFWD>", /* used for logging */
.fct = sink_forward_io_handler,
.rcv_buf = appctx_raw_rcv_buf,
.snd_buf = appctx_raw_snd_buf,
.init = sink_forward_session_init,
.release = sink_forward_session_release,
};
@ -606,6 +613,8 @@ static struct applet sink_forward_oc_applet = {
.obj_type = OBJ_TYPE_APPLET,
.name = "<SINKFWDOC>", /* used for logging */
.fct = sink_forward_oc_io_handler,
.rcv_buf = appctx_raw_rcv_buf,
.snd_buf = appctx_raw_snd_buf,
.init = sink_forward_session_init,
.release = sink_forward_session_release,
};