mirror of
https://github.com/openimsdk/open-im-server.git
synced 2025-12-03 02:42:19 +08:00
54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package direct
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import (
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"context"
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"github.com/OpenIMSDK/tools/log"
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"google.golang.org/grpc/resolver"
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"strings"
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)
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const (
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slashSeparator = "/"
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// EndpointSepChar is the separator char in endpoints.
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EndpointSepChar = ','
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subsetSize = 32
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scheme = "direct"
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)
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type ResolverDirect struct {
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}
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func NewResolverDirect() *ResolverDirect {
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return &ResolverDirect{}
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}
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func (rd *ResolverDirect) Build(target resolver.Target, cc resolver.ClientConn, _ resolver.BuildOptions) (
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resolver.Resolver, error) {
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log.ZDebug(context.Background(), "Build", "target", target)
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endpoints := strings.FieldsFunc(GetEndpoints(target), func(r rune) bool {
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return r == EndpointSepChar
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})
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endpoints = subset(endpoints, subsetSize)
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addrs := make([]resolver.Address, 0, len(endpoints))
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for _, val := range endpoints {
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addrs = append(addrs, resolver.Address{
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Addr: val,
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})
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}
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if err := cc.UpdateState(resolver.State{
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Addresses: addrs,
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}); err != nil {
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return nil, err
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}
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return &nopResolver{cc: cc}, nil
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}
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func init() {
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resolver.Register(&ResolverDirect{})
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}
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func (rd *ResolverDirect) Scheme() string {
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return scheme // return your custom scheme name
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}
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