/
codec_creator.go
114 lines (100 loc) · 2.82 KB
/
codec_creator.go
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package codec
import (
"fmt"
"git.golaxy.org/core"
"git.golaxy.org/plugins/gtp"
)
// CreateDecoder 创建消息包解码器
func CreateDecoder(msgCreator gtp.IMsgCreator) DecoderCreator {
if msgCreator == nil {
panic(fmt.Errorf("%w: msgCreator is nil", core.ErrArgs))
}
return DecoderCreator{
decoder: &Decoder{
MsgCreator: msgCreator,
},
}
}
// DecoderCreator 消息包解码器构建器
type DecoderCreator struct {
decoder *Decoder
}
// SetupEncryptionModule 安装加密模块
func (dc DecoderCreator) SetupEncryptionModule(encryptionModule IEncryptionModule) DecoderCreator {
if dc.decoder == nil {
panic("gtp: must invoke CreateDecoder() first")
}
dc.decoder.EncryptionModule = encryptionModule
return dc
}
// SetupMACModule 安装MAC模块
func (dc DecoderCreator) SetupMACModule(macModule IMACModule) DecoderCreator {
if dc.decoder == nil {
panic("gtp: must invoke CreateDecoder() first")
}
dc.decoder.MACModule = macModule
return dc
}
// SetupCompressionModule 安装压缩模块
func (dc DecoderCreator) SetupCompressionModule(compressionModule ICompressionModule) DecoderCreator {
if dc.decoder == nil {
panic("gtp: must invoke CreateDecoder() first")
}
dc.decoder.CompressionModule = compressionModule
return dc
}
// Spawn 获取消息包解码器
func (dc DecoderCreator) Spawn() IDecoder {
if dc.decoder == nil {
panic("gtp: must invoke CreateDecoder() first")
}
return dc.decoder
}
// CreateEncoder 创建消息包编码器
func CreateEncoder() EncoderCreator {
return EncoderCreator{
encoder: &Encoder{},
}
}
// EncoderCreator 消息包编码器构建器
type EncoderCreator struct {
encoder *Encoder
}
// SetupEncryptionModule 安装加密模块
func (ec EncoderCreator) SetupEncryptionModule(encryptionModule IEncryptionModule) EncoderCreator {
if ec.encoder == nil {
panic("gtp: must invoke CreateEncoder() first")
}
ec.encoder.EncryptionModule = encryptionModule
ec.encoder.Encryption = encryptionModule != nil
return ec
}
// SetupMACModule 安装MAC模块
func (ec EncoderCreator) SetupMACModule(macModule IMACModule) EncoderCreator {
if ec.encoder == nil {
panic("gtp: must invoke CreateEncoder() first")
}
ec.encoder.MACModule = macModule
ec.encoder.PatchMAC = macModule != nil
return ec
}
// SetupCompressionModule 安装压缩模块
func (ec EncoderCreator) SetupCompressionModule(compressionModule ICompressionModule, compressedSize int) EncoderCreator {
if ec.encoder == nil {
panic("gtp: must invoke CreateEncoder() first")
}
ec.encoder.CompressionModule = compressionModule
if compressionModule != nil {
ec.encoder.CompressedSize = compressedSize
} else {
ec.encoder.CompressedSize = 0
}
return ec
}
// Spawn 获取消息包编码器
func (ec EncoderCreator) Spawn() IEncoder {
if ec.encoder == nil {
panic("gtp: must invoke CreateEncoder() first")
}
return ec.encoder
}