57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
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package frame
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import (
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coder "git.hpds.cc/Component/mq_coder"
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)
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// RejectedFrame is a coder encoded bytes, Tag is a fixed value TYPE_ID_REJECTED_FRAME
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type RejectedFrame struct {
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message string
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}
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// NewRejectedFrame creates a new RejectedFrame with a given TagId of user's data
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func NewRejectedFrame(msg string) *RejectedFrame {
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return &RejectedFrame{message: msg}
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}
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// Type gets the type of Frame.
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func (f *RejectedFrame) Type() Type {
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return TagOfRejectedFrame
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}
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// Encode to coder encoded bytes
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func (f *RejectedFrame) Encode() []byte {
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rejected := coder.NewNodePacketEncoder(byte(f.Type()))
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// message
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msgBlock := coder.NewPrimitivePacketEncoder(byte(TagOfRejectedMessage))
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msgBlock.SetStringValue(f.message)
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rejected.AddPrimitivePacket(msgBlock)
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return rejected.Encode()
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}
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// Message rejected message
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func (f *RejectedFrame) Message() string {
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return f.message
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}
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// DecodeToRejectedFrame decodes coder encoded bytes to RejectedFrame
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func DecodeToRejectedFrame(buf []byte) (*RejectedFrame, error) {
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node := coder.NodePacket{}
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_, err := coder.DecodeToNodePacket(buf, &node)
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if err != nil {
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return nil, err
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}
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rejected := &RejectedFrame{}
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// message
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if msgBlock, ok := node.PrimitivePackets[byte(TagOfRejectedMessage)]; ok {
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msg, e := msgBlock.ToUTF8String()
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if e != nil {
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return nil, e
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}
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rejected.message = msg
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}
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return rejected, nil
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}
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