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in prefer(), move server to top of list instead of duplicating #19

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Merged
stapelberg merged 1 commit into from
Dec 17, 2024
Merged

in prefer(), move server to top of list instead of duplicating #19

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15 changes: 11 additions & 4 deletions robustsession/robustsession.go
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Original file line number Diff line number Diff line change
Expand Up @@ -214,14 +214,21 @@ func (n *Network) setServers(servers []string) {
n.servers = servers
}

// prefer adds the specified server to the front of the servers list, thereby
// trying to prefer it over other servers for the next request. Note that
// exponential backoff overrides this, so this is only a hint, not a guarantee.
// prefer moves (or adds, if it doesn't already exist) the specified server to
// the top of the servers list, thereby trying to prefer it over other servers
// for the next request. Note that exponential backoff overrides this, so this
// is only a hint, not a guarantee.
func (n *Network) prefer(server string) {
n.mu.Lock()
defer n.mu.Unlock()

n.servers = append([]string{server}, n.servers...)
servers := []string{server}
for i := 0; i < len(n.servers); i++ {
if n.servers[i] != server {
servers = append(servers, n.servers[i])
}
}
n.servers = servers
}

func (n *Network) failed(server string) {
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