Hi,
I'm using evapi to emit JSON blobs to share presence event transitions
with a TCP client:
loadmodule "evapi"
modparam("evapi", "workers", 4)
modparam("evapi", "bind_addr", "0.0.0.0:8010")
modparam("evapi", "netstring_format", 0)
if($hdr(Event) eq 'dialog' && $cl > 0) {
$xml(u=>doc) = $rb;
$var(state) =
$xml(u=>xpath:/di:dialog-info/di:dialog/di:state/text());
evapi_relay("{ \"type\": \"state_transition\", "
"\"sip_user\": \"$(fU{s.escape.common})\", "
"\"sip_domain\": \"$(fd{s.escape.common})\", "
"\"state\": \"$var(state)\" }");
}
Every once in a while, however, my consumer service's JSON.parse()
throws a parsing exception. There seems to be no particular pattern.
When I investigated the actual string being sent, I found two objects
concatenated:
JSON parsing exception: SyntaxError: Unexpected token {
Raw received string was: { "type": "state_transition", "sip_user":
"6789540671", "sip_domain": "sip.evaristesys.com", "state": "" }{
"type": "state_transition", "sip_user": "6789540671", "sip_domain":
"sip.evaristesys.com", "state": "" }
Any ideas as to why this might happen?
Thanks,
-- Alex
--
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
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