MINOR/DOC: lua: just precise one thing

In the case of applet, the Lua context is taken from session
when we get the private values. This patch just update comments
associated to this action because it is not obvious.

diff --git a/src/hlua.c b/src/hlua.c
index 2621ba6bae638dde2a99e8922ab190ca2c3c3443..f662cb06d2b47f409b23ce9e645782e6ec1f88b0 100644 (file)
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -3298,7 +3298,10 @@ __LJMP static int hlua_applet_tcp_set_priv(lua_State *L)
 {
        struct hlua_appctx *appctx = MAY_LJMP(hlua_checkapplet_tcp(L, 1));
        struct stream *s = appctx->htxn.s;
-       struct hlua *hlua = &s->hlua;
+       struct hlua *hlua;
+
+       /* Note that this hlua struct is from the session and not from the applet. */
+       hlua = &s->hlua;
 
        MAY_LJMP(check_args(L, 2, "set_priv"));
 
@@ -3317,7 +3320,10 @@ __LJMP static int hlua_applet_tcp_get_priv(lua_State *L)
 {
        struct hlua_appctx *appctx = MAY_LJMP(hlua_checkapplet_tcp(L, 1));
        struct stream *s = appctx->htxn.s;
-       struct hlua *hlua = &s->hlua;
+       struct hlua *hlua;
+
+       /* Note that this hlua struct is from the session and not from the applet. */
+       hlua = &s->hlua;
 
        /* Push configuration index in the stack. */
        lua_rawgeti(L, LUA_REGISTRYINDEX, hlua->Mref);
@@ -3746,7 +3752,10 @@ __LJMP static int hlua_applet_http_set_priv(lua_State *L)
 {
        struct hlua_appctx *appctx = MAY_LJMP(hlua_checkapplet_http(L, 1));
        struct stream *s = appctx->htxn.s;
-       struct hlua *hlua = &s->hlua;
+       struct hlua *hlua;
+
+       /* Note that this hlua struct is from the session and not from the applet. */
+       hlua = &s->hlua;
 
        MAY_LJMP(check_args(L, 2, "set_priv"));
 
@@ -3765,7 +3774,10 @@ __LJMP static int hlua_applet_http_get_priv(lua_State *L)
 {
        struct hlua_appctx *appctx = MAY_LJMP(hlua_checkapplet_http(L, 1));
        struct stream *s = appctx->htxn.s;
-       struct hlua *hlua = &s->hlua;
+       struct hlua *hlua;
+
+       /* Note that this hlua struct is from the session and not from the applet. */
+       hlua = &s->hlua;
 
        /* Push configuration index in the stack. */
        lua_rawgeti(L, LUA_REGISTRYINDEX, hlua->Mref);
@@ -6693,8 +6705,6 @@ static int hlua_cli_parse_fct(char **args, struct appctx *appctx, void *private)
 
        /* Once the arguments parsed, the CLI is like an AppletTCP,
         * so push AppletTCP in the stack.
-        * TODO: get_priv() and set_priv() are useless. Maybe we will
-        * create a new object without these two functions.
         */
        if (!hlua_applet_tcp_new(hlua->T, appctx)) {
                SEND_ERR(NULL, "Lua cli '%s': full stack.\n", fcn->name);