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MEDIUM: hlua: Update the tcp applet to use its own buffers

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Thanks to this patch, the lua TCP applet is now using its own buffers.
.rcv_buf and .snd_buf callback functions are now defined to use the default
raw functions. Other changes are quite light. Mainly, end of stream and
errors are reported on the appctx instead of the stream-endpoint descriptor.
This commit is contained in:
Christopher Faulet 2025-07-16 15:28:11 +02:00
parent 1f9a1cbefc
commit fdb66e6c5e
1 changed files with 9 additions and 3 deletions
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12
src/hlua.c
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@ -5533,6 +5533,9 @@ __LJMP static int hlua_applet_tcp_send_yield(lua_State *L, int status, lua_KCont
int l = MAY_LJMP(luaL_checkinteger(L, 3));
int max;
if (!applet_get_outbuf(luactx->appctx))
goto wait;
/* Get the max amount of data which can be written */
max = applet_output_room(luactx->appctx);
@ -5551,7 +5554,8 @@ __LJMP static int hlua_applet_tcp_send_yield(lua_State *L, int status, lua_KCont
* applet, and returns a yield.
*/
if (l < len) {
applet_need_room(luactx->appctx, applet_output_room(luactx->appctx) + 1);
wait:
applet_have_more_data(luactx->appctx);
MAY_LJMP(hlua_yieldk(L, 0, 0, hlua_applet_tcp_send_yield, TICK_ETERNITY, 0));
}
@ -11160,7 +11164,7 @@ void hlua_applet_tcp_fct(struct appctx *ctx)
struct hlua *hlua = tcp_ctx->hlua;
int yield = 0;
if (unlikely(se_fl_test(ctx->sedesc, (SE_FL_EOS|SE_FL_ERROR|SE_FL_SHR|SE_FL_SHW))))
if (unlikely(applet_fl_test(ctx, APPCTX_FL_EOS|APPCTX_FL_ERROR)))
goto out;
/* The applet execution is already done. */
@ -11172,7 +11176,7 @@ void hlua_applet_tcp_fct(struct appctx *ctx)
/* finished. */
case HLUA_E_OK:
tcp_ctx->flags |= APPLET_DONE;
se_fl_set(ctx->sedesc, SE_FL_EOI|SE_FL_EOS);
applet_set_eos(ctx);
break;
/* yield. */
@ -11805,6 +11809,8 @@ static enum act_parse_ret action_register_service_tcp(const char **args, int *cu
rule->applet.obj_type = OBJ_TYPE_APPLET;
rule->applet.name = fcn->name;
rule->applet.init = hlua_applet_tcp_init;
rule->applet.rcv_buf = appctx_raw_rcv_buf;
rule->applet.snd_buf = appctx_raw_snd_buf;
rule->applet.fct = hlua_applet_tcp_fct;
rule->applet.release = hlua_applet_tcp_release;
rule->applet.timeout = hlua_timeout_applet;