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39 lines
794 B
39 lines
794 B
package selector |
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import ( |
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"context" |
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"git.diulo.com/mogfee/kit/errors" |
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"google.golang.org/grpc/balancer" |
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) |
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var ErrNoAvailable = errors.ServiceUnavailable("no_available_node", "") |
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type Selector interface { |
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Rebalancer |
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Select(ctx context.Context, opts ...SelectOption) (selected WeightedNode, di DoneFunc, err error) |
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} |
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type Rebalancer interface { |
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Apply(nodes []Node) |
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} |
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type Builder interface { |
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Build() Selector |
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} |
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type Node interface { |
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Scheme() string |
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Address() string |
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ServerName() string |
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InitialWeight() *int64 |
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Version() string |
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Metadata() map[string]string |
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} |
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type DoneInfo struct { |
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Err error |
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ReplyMD ReplyMD |
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BytesSent bool |
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BytesReceived bool |
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} |
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type ReplyMD interface { |
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Get(key string) string |
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} |
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type DoneFunc func(ctx context.Context, di balancer.DoneInfo)
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