48 lines
1008 B
Go
48 lines
1008 B
Go
package codec
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import (
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"net"
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"strconv"
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"github.com/ethereum/go-ethereum/rpc/shared"
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)
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type Codec int
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// (de)serialization support for rpc interface
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type ApiCoder interface {
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// Parse message to request from underlying stream
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ReadRequest() (*shared.Request, error)
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// Parse response message from underlying stream
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ReadResponse() (interface{}, error)
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// Encode response to encoded form in underlying stream
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WriteResponse(interface{}) error
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// Decode single message from data
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Decode([]byte, interface{}) error
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// Encode msg to encoded form
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Encode(msg interface{}) ([]byte, error)
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// close the underlying stream
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Close()
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}
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// supported codecs
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const (
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JSON Codec = iota
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nCodecs
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)
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var (
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// collection with supported coders
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coders = make([]func(net.Conn) ApiCoder, nCodecs)
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)
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// create a new coder instance
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func (c Codec) New(conn net.Conn) ApiCoder {
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switch c {
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case JSON:
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return NewJsonCoder(conn)
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}
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panic("codec: request for codec #" + strconv.Itoa(int(c)) + " is unavailable")
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}
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