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67 lines
1.2 KiB
67 lines
1.2 KiB
package metadata
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// metadata common key
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const (
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// Network
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RemoteIP = "remote_ip"
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RemotePort = "remote_port"
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ServerAddr = "server_addr"
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ClientAddr = "client_addr"
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// Router
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Cluster = "cluster"
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Color = "color"
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// Trace
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Trace = "trace"
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Caller = "caller"
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// Timeout
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Timeout = "timeout"
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// Dispatch
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CPUUsage = "cpu_usage"
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Errors = "errors"
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Requests = "requests"
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// Mirror
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Mirror = "mirror"
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// Mid 外网账户用户id
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Mid = "mid" // NOTE: ！！！业务可重新修改key名！！！
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// Device 客户端信息
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Device = "device"
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// Criticality 重要性
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Criticality = "criticality"
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)
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var outgoingKey = map[string]struct{}{
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Color: struct{}{},
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RemoteIP: struct{}{},
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RemotePort: struct{}{},
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Mirror: struct{}{},
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Criticality: struct{}{},
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}
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var incomingKey = map[string]struct{}{
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Caller: struct{}{},
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}
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// IsOutgoingKey represent this key should propagate by rpc.
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func IsOutgoingKey(key string) bool {
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_, ok := outgoingKey[key]
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return ok
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}
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// IsIncomingKey represent this key should extract from rpc metadata.
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func IsIncomingKey(key string) (ok bool) {
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_, ok = outgoingKey[key]
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if ok {
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return
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}
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_, ok = incomingKey[key]
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return
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}
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