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46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
package plugin
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import (
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"io"
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"net"
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)
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// Protocol is an enum representing the types of protocols.
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type Protocol string
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const (
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ProtocolInvalid Protocol = ""
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ProtocolNetRPC Protocol = "netrpc"
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ProtocolGRPC Protocol = "grpc"
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)
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// ServerProtocol is an interface that must be implemented for new plugin
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// protocols to be servers.
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type ServerProtocol interface {
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// Init is called once to configure and initialize the protocol, but
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// not start listening. This is the point at which all validation should
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// be done and errors returned.
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Init() error
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// Config is extra configuration to be outputted to stdout. This will
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// be automatically base64 encoded to ensure it can be parsed properly.
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// This can be an empty string if additional configuration is not needed.
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Config() string
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// Serve is called to serve connections on the given listener. This should
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// continue until the listener is closed.
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Serve(net.Listener)
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}
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// ClientProtocol is an interface that must be implemented for new plugin
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// protocols to be clients.
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type ClientProtocol interface {
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io.Closer
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// Dispense dispenses a new instance of the plugin with the given name.
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Dispense(string) (interface{}, error)
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// Ping checks that the client connection is still healthy.
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Ping() error
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}
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