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42 lines
714 B
Go
42 lines
714 B
Go
package wire
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import (
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"encoding/json"
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"fmt"
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)
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type Request struct {
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Seq int
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Body Value
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}
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func (r Request) MarshalJSON() ([]byte, error) {
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return json.Marshal([]interface{}{r.Seq, r.Body.NetTag(), r.Body})
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}
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func (r *Request) UnmarshalJSON(b []byte) error {
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var parts [3]json.RawMessage
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if err := json.Unmarshal(b, &parts); err != nil {
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return err
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}
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if err := json.Unmarshal(parts[0], &r.Seq); err != nil {
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return err
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}
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var tag string
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if err := json.Unmarshal(parts[1], &tag); err != nil {
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return err
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}
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f, ok := registry[tag]
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if !ok {
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return fmt.Errorf("unknown tag: %q", tag)
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}
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v := f()
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if err := json.Unmarshal(parts[2], v); err != nil {
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return err
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}
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r.Body = v
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return nil
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}
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