MINOR: lua: Make `set_var()` and `unset_var()` return success

This patch makes `set_var()` and `unset_var()` return a boolean indicating
success.
This commit is contained in:
Tim Duesterhus 2020-05-19 13:49:41 +02:00 committed by Christopher Faulet
parent b4fac1eb3c
commit 84ebc136a1
3 changed files with 53 additions and 12 deletions

12
reg-tests/lua/set_var.lua Normal file
View File

@ -0,0 +1,12 @@
core.register_service("set_var", "http", function(applet)
local var_name = applet.headers["var"][0]
local result = applet:set_var(var_name, "value")
if result then
applet:set_status(202)
else
applet:set_status(400)
end
applet:add_header("echo", applet:get_var(var_name) or "(nil)")
applet:start_response()
applet:send("")
end)

29
reg-tests/lua/set_var.vtc Normal file
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@ -0,0 +1,29 @@
varnishtest "Lua: set_var"
#REQUIRE_OPTIONS=LUA
feature ignore_unknown_macro
haproxy h1 -conf {
global
lua-load ${testdir}/set_var.lua
frontend fe1
mode http
${no-htx} option http-use-htx
bind "fd@${fe1}"
http-request use-service lua.set_var
} -start
client c0 -connect ${h1_fe1_sock} {
txreq -url "/" \
-hdr "Var: txn.foo"
rxresp
expect resp.status == 202
expect resp.http.echo == "value"
txreq -url "/" \
-hdr "Var: invalid.var"
rxresp
expect resp.status == 400
expect resp.http.echo == "(nil)"
} -run

View File

@ -3489,8 +3489,8 @@ __LJMP static int hlua_applet_tcp_set_var(lua_State *L)
/* Store the sample in a variable. */ /* Store the sample in a variable. */
smp_set_owner(&smp, s->be, s->sess, s, 0); smp_set_owner(&smp, s->be, s->sess, s, 0);
vars_set_by_name(name, len, &smp); lua_pushboolean(L, vars_set_by_name(name, len, &smp) != 0);
return 0; return 1;
} }
__LJMP static int hlua_applet_tcp_unset_var(lua_State *L) __LJMP static int hlua_applet_tcp_unset_var(lua_State *L)
@ -3512,8 +3512,8 @@ __LJMP static int hlua_applet_tcp_unset_var(lua_State *L)
/* Unset the variable. */ /* Unset the variable. */
smp_set_owner(&smp, s->be, s->sess, s, 0); smp_set_owner(&smp, s->be, s->sess, s, 0);
vars_unset_by_name_ifexist(name, len, &smp); lua_pushboolean(L, vars_unset_by_name_ifexist(name, len, &smp) != 0);
return 0; return 1;
} }
__LJMP static int hlua_applet_tcp_get_var(lua_State *L) __LJMP static int hlua_applet_tcp_get_var(lua_State *L)
@ -3967,8 +3967,8 @@ __LJMP static int hlua_applet_http_set_var(lua_State *L)
/* Store the sample in a variable. */ /* Store the sample in a variable. */
smp_set_owner(&smp, s->be, s->sess, s, 0); smp_set_owner(&smp, s->be, s->sess, s, 0);
vars_set_by_name(name, len, &smp); lua_pushboolean(L, vars_set_by_name(name, len, &smp) != 0);
return 0; return 1;
} }
__LJMP static int hlua_applet_http_unset_var(lua_State *L) __LJMP static int hlua_applet_http_unset_var(lua_State *L)
@ -3990,8 +3990,8 @@ __LJMP static int hlua_applet_http_unset_var(lua_State *L)
/* Unset the variable. */ /* Unset the variable. */
smp_set_owner(&smp, s->be, s->sess, s, 0); smp_set_owner(&smp, s->be, s->sess, s, 0);
vars_unset_by_name_ifexist(name, len, &smp); lua_pushboolean(L, vars_unset_by_name_ifexist(name, len, &smp) != 0);
return 0; return 1;
} }
__LJMP static int hlua_applet_http_get_var(lua_State *L) __LJMP static int hlua_applet_http_get_var(lua_State *L)
@ -5053,8 +5053,8 @@ __LJMP static int hlua_set_var(lua_State *L)
/* Store the sample in a variable. */ /* Store the sample in a variable. */
smp_set_owner(&smp, htxn->p, htxn->s->sess, htxn->s, htxn->dir & SMP_OPT_DIR); smp_set_owner(&smp, htxn->p, htxn->s->sess, htxn->s, htxn->dir & SMP_OPT_DIR);
vars_set_by_name(name, len, &smp); lua_pushboolean(L, vars_set_by_name(name, len, &smp) != 0);
return 0; return 1;
} }
__LJMP static int hlua_unset_var(lua_State *L) __LJMP static int hlua_unset_var(lua_State *L)
@ -5074,8 +5074,8 @@ __LJMP static int hlua_unset_var(lua_State *L)
/* Unset the variable. */ /* Unset the variable. */
smp_set_owner(&smp, htxn->p, htxn->s->sess, htxn->s, htxn->dir & SMP_OPT_DIR); smp_set_owner(&smp, htxn->p, htxn->s->sess, htxn->s, htxn->dir & SMP_OPT_DIR);
vars_unset_by_name_ifexist(name, len, &smp); lua_pushboolean(L, vars_unset_by_name_ifexist(name, len, &smp) != 0);
return 0; return 1;
} }
__LJMP static int hlua_get_var(lua_State *L) __LJMP static int hlua_get_var(lua_State *L)