mirror of
https://github.com/etcd-io/etcd.git
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55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package balancer
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import (
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"fmt"
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"net/url"
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"sort"
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"sync/atomic"
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"time"
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"google.golang.org/grpc/balancer"
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"google.golang.org/grpc/resolver"
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)
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func scToString(sc balancer.SubConn) string {
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return fmt.Sprintf("%p", sc)
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}
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func scsToStrings(scs map[resolver.Address]balancer.SubConn) (ss []string) {
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ss = make([]string, 0, len(scs))
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for a, sc := range scs {
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ss = append(ss, fmt.Sprintf("%s (%s)", a.Addr, scToString(sc)))
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}
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sort.Strings(ss)
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return ss
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}
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func addrsToStrings(addrs []resolver.Address) (ss []string) {
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ss = make([]string, len(addrs))
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for i := range addrs {
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ss[i] = addrs[i].Addr
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}
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sort.Strings(ss)
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return ss
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}
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func epsToAddrs(eps ...string) (addrs []resolver.Address) {
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addrs = make([]resolver.Address, 0, len(eps))
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for _, ep := range eps {
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u, err := url.Parse(ep)
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if err != nil {
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addrs = append(addrs, resolver.Address{Addr: ep, Type: resolver.Backend})
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continue
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}
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addrs = append(addrs, resolver.Address{Addr: u.Host, Type: resolver.Backend})
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}
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return addrs
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}
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var genN = new(uint32)
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func genName() string {
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now := time.Now().UnixNano()
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return fmt.Sprintf("%X%X", now, atomic.AddUint32(genN, 1))
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}
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