Hi,
I am using app_lua to frequently store some data in htable and avp
entries, using sr.pv.sets. When I read the values using sr.pv.get
immediately after writing them, they seem correct. However, when I read
them later from Lua, I have noticed that sometimes the value is
incorrect or nil. Am I doing something wrong?
The following code uses rtimer to duplicate the problem on startup,
printing the errors to syslog.
Tested on version: kamailio 3.3.1 (i386/linux) 2d0f6f
###############
# kamailio.cfg
###############
loadmodule "pv.so"
loadmodule "xlog.so"
loadmodule "htable.so"
loadmodule "rtimer.so"
loadmodule "app_lua"
modparam("htable", "htable", "status=>size=14;autoexpire=0;")
modparam("rtimer", "timer", "name=ta;interval=10;mode=1")
modparam("rtimer", "exec", "timer=ta;route=LUA_TEST")
# the following path may need to change depending on filesystem setup
modparam("app_lua", "load", "/etc/kamailio/kamailio.lua")
route
{
route(LUA_TEST);
}
route[LUA_TEST] {
$var(lua_test_key) = $(pp{s.toupper}) + "::";
lua_runstring("htable_test([[status=>$var(lua_test_key)]])");
lua_runstring("avp_test([[status=>$var(lua_test_key)]])");
}
----------------
-- kamailio.lua
----------------
-- Test of sr.pv operations in Lua
function htable_test (namekey)
local pvar_prefix = "$sht("..namekey
pvar_test(pvar_prefix)
end
function avp_test ( name )
local pvar_prefix = "$avp("..name
pvar_test(pvar_prefix)
end
function pvar_test ( pvar_prefix )
for value = 10000, 10050 do
local pvar = pvar_prefix..value..")"
--sr.log("info", "Lua attempting to set '"..pvar.."' to value
'"..value.."'")
sr.pv.sets(pvar, value)
end
for value = 10000, 10050 do
-- now we check what was stored
local pvar = pvar_prefix..value..")"
local checkvar = sr.pv.get(pvar)
if ( tostring(checkvar) ~= tostring(value) ) then
sr.err(string.format("CHECK: Lua checking pvar '%s' and got value
'%s' which is NOT '%s'",
tostring(pvar),
tostring(checkvar),
tostring(value)
))
end
end
end
-- end of kamailio.lua
Thanks,
-Andrew
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