static int l_ffi_layer_begin(knot_layer_t *ctx, void *module_param)
{
ctx->data = module_param;
LAYER_FFI_CALL(ctx, "begin");
lua_pushlightuserdata(L, module_param);
return l_ffi_call(L, 2);
}
static int l_ffi_layer_fail(knot_layer_t *ctx, knot_pkt_t *pkt)
{
LAYER_FFI_CALL(ctx, "fail");
lua_pushlightuserdata(L, ctx->data);
lua_pushlightuserdata(L, pkt);
set_metatable(L, META_PKT);
return l_ffi_call(L, 3);
}
static int l_ffi_layer_finish(knot_layer_t *ctx)
{
struct kr_request *req = ctx->data;
LAYER_FFI_CALL(ctx, finish);
lua_pushlightuserdata(L, req);
lua_pushlightuserdata(L, req->answer);
return l_ffi_call(L, 3);
}
static int l_ffi_layer_produce(knot_layer_t *ctx, knot_pkt_t *pkt)
{
if (ctx->state & (KNOT_STATE_FAIL)) {
return ctx->state; /* Already failed or done, skip */
}
LAYER_FFI_CALL(ctx, produce);
lua_pushlightuserdata(L, ctx->data);
lua_pushlightuserdata(L, pkt);
return l_ffi_call(L, 3);
}
static int l_ffi_layer_consume(knot_layer_t *ctx, knot_pkt_t *pkt)
{
if (ctx->state & KNOT_STATE_FAIL) {
return ctx->state; /* Already failed, skip */
}
LAYER_FFI_CALL(ctx, "consume");
lua_pushlightuserdata(L, ctx->data);
lua_pushlightuserdata(L, pkt);
set_metatable(L, META_PKT);
return l_ffi_call(L, 3);
}
static int l_ffi_layer_reset(knot_layer_t *ctx)
{
LAYER_FFI_CALL(ctx, "reset");
lua_pushlightuserdata(L, ctx->data);
return l_ffi_call(L, 2);
}