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This commit is contained in:
Ivan Kozlovic
2018-03-12 15:53:11 -06:00
parent ee8f001131
commit 6f9983291c
1 changed files with 7 additions and 8 deletions
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15
server/client.go
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@@ -1159,9 +1159,9 @@ func (c *client) processMsg(msg []byte) {
// we didn't make a delivery attempt, because either a subscriber limit
// was exceeded or a subscription is already gone.
// So, let the code below find yet another matching subscription.
// We are at risk that a message might go forth and back
// between routes during these attempts, but at the end
// it shall either be delivered (at most once) or drop.
// We are at risk that a message might go back and forth between routes
// during these attempts, but at the end it shall either be delivered
// (at most once) or dropped.
}
}
@@ -1208,8 +1208,8 @@ func (c *client) processMsg(msg []byte) {
}
}
// Now process any queue subs we have if not a route.
// ... Or if it's a route and we need to resend.
// Now process any queue subs we have if not a route...
// or if we did not make a delivery attempt yet.
if isRouteQsub || !isRoute {
// Check to see if we have our own rand yet. Global rand
// has contention with lots of clients, etc.
@@ -1219,9 +1219,8 @@ func (c *client) processMsg(msg []byte) {
// Process queue subs
for i := 0; i < len(r.qsubs); i++ {
qsubs := r.qsubs[i]
// Iterate over all subscribed clients starting at a random index
// until we find one that's able to deliver a message.
// Drop a message on the floor if there are noone.
// Find a subscription that is able to deliver this message
// starting at a random index.
startIndex := c.cache.prand.Intn(len(qsubs))
for i := 0; i < len(qsubs); i++ {
index := (startIndex + i) % len(qsubs)