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27 lines
802 B
Go
27 lines
802 B
Go
// docker-proxy provides a network Proxy interface and implementations for TCP
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// and UDP.
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package main
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// ipVersion refers to IP version - v4 or v6
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type ipVersion string
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const (
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// IPv4 is version 4
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ip4 ipVersion = "4"
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// IPv6 is version 6
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ip6 ipVersion = "6"
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)
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// Proxy defines the behavior of a proxy. It forwards traffic back and forth
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// between two endpoints : the frontend and the backend.
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// It can be used to do software port-mapping between two addresses.
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// e.g. forward all traffic between the frontend (host) 127.0.0.1:3000
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// to the backend (container) at 172.17.42.108:4000.
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type Proxy interface {
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// Run starts forwarding traffic back and forth between the front
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// and back-end addresses.
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Run()
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// Close stops forwarding traffic and close both ends of the Proxy.
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Close()
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}
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