63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package json
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import (
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"encoding/json"
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"io"
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"git.loafle.net/commons_go/rpc/protocol"
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)
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var null = json.RawMessage([]byte("null"))
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// ----------------------------------------------------------------------------
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// Codec
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// ----------------------------------------------------------------------------
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// NewServerCodec returns a new JSON Codec.
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func NewServerCodec() protocol.ServerCodec {
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return &ServerCodec{}
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}
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// ServerCodec creates a ServerRequestCodec to process each request.
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type ServerCodec struct {
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}
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func (sc *ServerCodec) NewRequestB(buf []byte) (protocol.ServerRequestCodec, error) {
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return newServerRequestCodecB(buf)
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}
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func (sc *ServerCodec) NewNotificationB(method string, args []interface{}) ([]byte, error) {
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params, err := convertParamsToStringArray(args)
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if nil != err {
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return nil, err
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}
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noti := &serverNotification{Method: method, Params: params}
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res := &serverResponse{Version: Version, Result: noti}
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return json.Marshal(res)
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}
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// NewRequest returns a ServerRequestCodec.
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func (sc *ServerCodec) NewRequest(r io.Reader) (protocol.ServerRequestCodec, error) {
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return newServerRequestCodec(r)
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}
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// WriteNotification send a notification from server to client.
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func (sc *ServerCodec) WriteNotification(w io.Writer, method string, args []interface{}) error {
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params, err := convertParamsToStringArray(args)
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if nil != err {
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return err
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}
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noti := &serverNotification{Method: method, Params: params}
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res := &serverResponse{Version: Version, Result: noti}
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encoder := json.NewEncoder(w)
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// Not sure in which case will this happen. But seems harmless.
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if err := encoder.Encode(res); nil != err {
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return err
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}
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return nil
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}
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