refactor(info): 删除多余的信息结构体文件
- 移除了多个未使用的 Java 和 Go 信息结构体文件 - 优化了项目结构，减少了冗余代码 - 这些文件可能是早期开发阶段的遗留代码，现在已不再需要
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@@ -1,111 +1,111 @@
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package codec
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import (
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"blazing/common/data/entity"
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"encoding/binary"
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"errors"
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"io"
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"log"
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"github.com/panjf2000/gnet/v2"
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)
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// CROSS_DOMAIN 定义跨域策略文件内容
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const CROSS_DOMAIN = "<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy><cross-domain-policy><allow-access-from domain=\"*\" to-ports=\"*\" /></cross-domain-policy>\x00"
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// TEXT 定义跨域请求的文本格式
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const TEXT = "<policy-file-request/>\x00"
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var ErrIncompletePacket = errors.New("incomplete packet")
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// TomeeSocketCodec 协议格式:
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//
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// * 0 4
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// * +-----------+
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// * | body len |
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// * +-----------+
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// * | |
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// * + +
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// * | body bytes|
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// * + +
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// * | ... ... |
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// * +-----------+
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type TomeeSocketCodec struct{}
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var _ SocketCodec = (*TomeeSocketCodec)(nil)
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func NewTomeeSocketCodec() *TomeeSocketCodec {
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return &TomeeSocketCodec{}
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}
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func handle(c gnet.Conn) {
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clientdata:=c.Context().(*entity.ClientData)
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if(clientdata.IsCrossDomain){
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return
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}
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// 读取数据并检查是否为跨域请求
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data, err := c.Peek(len(TEXT))
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if err != nil {
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log.Printf("Error reading cross-domain request: %v", err)
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return
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}
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if string(data) == TEXT { //判断是否是跨域请求
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log.Printf("Received cross-domain request from %s", c.RemoteAddr())
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// 处理跨域请求
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c.Write([]byte(CROSS_DOMAIN))
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c.Discard(len(TEXT))
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clientdata.IsCrossDomain=true
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return
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}
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return
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}
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func (codec TomeeSocketCodec) Encode(buf []byte) ([]byte, error) {
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bodyLen := len(buf)
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data := make([]byte, 4+bodyLen)
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// 写入4字节的包长度
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binary.BigEndian.PutUint32(data[:4], uint32(bodyLen))
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// 写入包体
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copy(data[4:], buf)
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return data, nil
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}
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func (codec TomeeSocketCodec) Decode(c gnet.Conn) ([]byte, error) {
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handle(c)
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// 先读取4字节的包长度
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lenBuf, err := c.Peek(4)
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if err != nil {
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if errors.Is(err, io.ErrShortBuffer) {
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return nil, ErrIncompletePacket
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}
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return nil, err
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}
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bodyLen := binary.BigEndian.Uint32(lenBuf)
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totalLen := 4 + int(bodyLen)
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// 检查整个包是否完整
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buf, err := c.Peek(totalLen)
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if err != nil {
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if errors.Is(err, io.ErrShortBuffer) {
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return nil, ErrIncompletePacket
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}
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return nil, err
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}
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// 提取包体
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body := make([]byte, bodyLen)
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copy(body, buf[4:totalLen])
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// 从缓冲区中丢弃已读取的数据
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_, _ = c.Discard(totalLen)
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return body, nil
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}
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package codec
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import (
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"blazing/common/data/entity"
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"encoding/binary"
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"errors"
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"io"
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"log"
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"github.com/panjf2000/gnet/v2"
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)
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// CROSS_DOMAIN 定义跨域策略文件内容
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const CROSS_DOMAIN = "<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy><cross-domain-policy><allow-access-from domain=\"*\" to-ports=\"*\" /></cross-domain-policy>\x00"
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// TEXT 定义跨域请求的文本格式
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const TEXT = "<policy-file-request/>\x00"
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var ErrIncompletePacket = errors.New("incomplete packet")
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// TomeeSocketCodec 协议格式:
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//
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// * 0 4
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// * +-----------+
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// * | body len |
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// * +-----------+
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// * | |
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// * + +
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// * | body bytes|
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// * + +
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// * | ... ... |
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// * +-----------+
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type TomeeSocketCodec struct{}
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var _ SocketCodec = (*TomeeSocketCodec)(nil)
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func NewTomeeSocketCodec() *TomeeSocketCodec {
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return &TomeeSocketCodec{}
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}
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func handle(c gnet.Conn) {
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clientdata := c.Context().(*entity.ClientData)
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if clientdata.IsCrossDomain {
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return
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}
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// 读取数据并检查是否为跨域请求
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data, err := c.Peek(len(TEXT))
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if err != nil {
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log.Printf("Error reading cross-domain request: %v", err)
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return
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}
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if string(data) == TEXT { //判断是否是跨域请求
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log.Printf("Received cross-domain request from %s", c.RemoteAddr())
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// 处理跨域请求
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c.Write([]byte(CROSS_DOMAIN))
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c.Discard(len(TEXT))
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clientdata.IsCrossDomain = true
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return
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}
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//return
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}
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func (codec TomeeSocketCodec) Encode(buf []byte) ([]byte, error) {
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bodyLen := len(buf)
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data := make([]byte, 4+bodyLen)
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// 写入4字节的包长度
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binary.BigEndian.PutUint32(data[:4], uint32(bodyLen))
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// 写入包体
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copy(data[4:], buf)
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return data, nil
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}
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func (codec TomeeSocketCodec) Decode(c gnet.Conn) ([]byte, error) {
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handle(c)
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// 先读取4字节的包长度
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lenBuf, err := c.Peek(4)
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if err != nil {
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if errors.Is(err, io.ErrShortBuffer) {
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return nil, ErrIncompletePacket
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}
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return nil, err
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}
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bodyLen := binary.BigEndian.Uint32(lenBuf)
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totalLen := 4 + int(bodyLen)
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// 检查整个包是否完整
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buf, err := c.Peek(int(bodyLen))
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if err != nil {
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if errors.Is(err, io.ErrShortBuffer) {
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return nil, ErrIncompletePacket
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}
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return nil, err
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}
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// 提取包体
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body := make([]byte, bodyLen)
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copy(body, buf)
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// 从缓冲区中丢弃已读取的数据
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_, _ = c.Discard(totalLen)
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return body, nil
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}
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