Remove sub from rsubs sublist when user UNSUBs.
Fix bench test that was not actually creating a SUB per request
in the Benchmark_Gateways_Requests_CreateOneSubForEach test.
Also UNSUBs older SUBs after a certain threshold to simulate
actual req/reply.
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
This addresses the following race:
- client connection creates a subscription on a reply subject
- client connection sends a request
- server sends the subscription to inbound gateway
- server sends the message to outbound gateway (those may be
to different servers)
- receiving server sends to sub interested in request subject
- app sends reply
- its server then check for interest on the reply's subject
In interestOnly mode, there is a possibility that this server
has not received the interest on the reply subject yet and would
then drop the reply.
This PR detects above scenario and will prefix the reply subject
to identify the origin cluster if it is detected that the last
subscription from the sending connection was created less than
a second ago.
Once the destination has this prefix, the destination cluster
will always send back that message to origin cluster even if
there is no registered interest.
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
Check sublist only when required.
Send the subs list in place instead of go routine (gateways have
different outbound/inbound connections so they don't suffer same
issue than routes)
Bump the default array size when collecting gateway connections
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
Allow deny clauses for subscriptions to still allow wildcard subscriptions but do not deliver the messages themselves.
Signed-off-by: Derek Collison <derek@nats.io>