5 changed files with 569 additions and 0 deletions
@ -0,0 +1,12 @@ |
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package app |
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type Config struct { |
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Host string |
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Port int |
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User string |
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Pass string |
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ServerId int |
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LogFile string |
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Position int |
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} |
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@ -0,0 +1,414 @@ |
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package app |
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import ( |
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"bufio" |
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"bytes" |
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"context" |
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"crypto/sha1" |
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"encoding/binary" |
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"errors" |
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"fmt" |
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"io" |
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"net" |
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"os" |
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"time" |
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"github.com/go-mysql-org/go-mysql/replication" |
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) |
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const ( |
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MinProtocolVersion byte = 10 |
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OK_HEADER byte = 0x00 |
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ERR_HEADER byte = 0xff |
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EOF_HEADER byte = 0xfe |
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LocalInFile_HEADER byte = 0xfb |
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) |
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const MaxPayloadLength = 1<<24 - 1 |
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type Server struct { |
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Cfg *Config |
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Ctx context.Context |
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conn net.Conn |
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io *PacketIo |
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registerSucc bool |
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} |
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func (s *Server) Run() { |
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defer func() { |
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s.Quit() |
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}() |
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s.dump() |
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} |
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func (s *Server) dump() { |
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err := s.handshake() |
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if err != nil { |
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panic(err) |
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} |
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s.invalidChecksum() |
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fmt.Println("dump ...") |
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s.register() |
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s.writeDumpCommand() |
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parser := replication.NewBinlogParser() |
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for { |
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//time.Sleep(2 * time.Second)
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//s.query("select 1")
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data, err := s.io.readPacket() |
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if err != nil || len(data) == 0 { |
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continue |
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} |
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//s.Quit()
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if data[0] == OK_HEADER { |
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//skip ok
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data = data[1:] |
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if e, err := parser.Parse(data); err == nil { |
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e.Dump(os.Stdout) |
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} else { |
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fmt.Println(err) |
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} |
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} else { |
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s.io.HandleError(data) |
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} |
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} |
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} |
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func (s *Server) invalidChecksum() { |
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sql := `SET @master_binlog_checksum='NONE'` |
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if err := s.query(sql); err != nil { |
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fmt.Println(err) |
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} |
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//must read from tcp connection , either will be blocked
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_, _ = s.io.readPacket() |
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} |
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func (s *Server) handshake() error { |
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conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%d", s.Cfg.Host, s.Cfg.Port), 10*time.Second) |
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if err != nil { |
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return err |
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} |
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tc := conn.(*net.TCPConn) |
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tc.SetKeepAlive(true) |
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tc.SetNoDelay(true) |
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s.conn = tc |
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s.io = &PacketIo{} |
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s.io.r = bufio.NewReaderSize(s.conn, 16*1024) |
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s.io.w = tc |
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data, err := s.io.readPacket() |
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if err != nil { |
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return err |
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} |
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if data[0] == ERR_HEADER { |
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return errors.New("error packet") |
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} |
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if data[0] < MinProtocolVersion { |
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return fmt.Errorf("version is too lower, current:%d", data[0]) |
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} |
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pos := 1 + bytes.IndexByte(data[1:], 0x00) + 1 |
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connId := uint32(binary.LittleEndian.Uint32(data[pos : pos+4])) |
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pos += 4 |
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salt := data[pos : pos+8] |
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pos += 8 + 1 |
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capability := uint32(binary.LittleEndian.Uint16(data[pos : pos+2])) |
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pos += 2 |
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var status uint16 |
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var pluginName string |
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if len(data) > pos { |
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//skip charset
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pos++ |
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status = binary.LittleEndian.Uint16(data[pos : pos+2]) |
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pos += 2 |
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capability = uint32(binary.LittleEndian.Uint16(data[pos:pos+2]))<<16 | capability |
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pos += 2 |
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pos += 10 + 1 |
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salt = append(salt, data[pos:pos+12]...) |
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pos += 13 |
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if end := bytes.IndexByte(data[pos:], 0x00); end != -1 { |
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pluginName = string(data[pos : pos+end]) |
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} else { |
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pluginName = string(data[pos:]) |
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} |
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} |
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fmt.Printf("conn_id:%v, status:%d, plugin:%v\n", connId, status, pluginName) |
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//write
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capability = 500357 |
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length := 4 + 4 + 1 + 23 |
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length += len(s.Cfg.User) + 1 |
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pass := []byte(s.Cfg.Pass) |
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auth := calPassword(salt[:20], pass) |
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length += 1 + len(auth) |
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data = make([]byte, length+4) |
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data[4] = byte(capability) |
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data[5] = byte(capability >> 8) |
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data[6] = byte(capability >> 16) |
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data[7] = byte(capability >> 24) |
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//utf8
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data[12] = byte(33) |
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pos = 13 + 23 |
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if len(s.Cfg.User) > 0 { |
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pos += copy(data[pos:], s.Cfg.User) |
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} |
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pos++ |
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data[pos] = byte(len(auth)) |
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pos += 1 + copy(data[pos+1:], auth) |
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err = s.io.writePacket(data) |
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if err != nil { |
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return fmt.Errorf("write auth packet error") |
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} |
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pk, err := s.io.readPacket() |
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if err != nil { |
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return err |
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} |
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if pk[0] == OK_HEADER { |
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fmt.Println("handshake ok ") |
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return nil |
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} else if pk[0] == ERR_HEADER { |
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s.io.HandleError(pk) |
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return errors.New("handshake error ") |
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} |
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return nil |
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} |
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func (s *Server) writeDumpCommand() { |
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s.io.seq = 0 |
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data := make([]byte, 4+1+4+2+4+len(s.Cfg.LogFile)) |
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pos := 4 |
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data[pos] = 18 //dump binlog
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pos++ |
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binary.LittleEndian.PutUint32(data[pos:], uint32(s.Cfg.Position)) |
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pos += 4 |
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//dump command flag
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binary.LittleEndian.PutUint16(data[pos:], 0) |
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pos += 2 |
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binary.LittleEndian.PutUint32(data[pos:], uint32(s.Cfg.ServerId)) |
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pos += 4 |
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copy(data[pos:], s.Cfg.LogFile) |
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s.io.writePacket(data) |
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//ok
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res, _ := s.io.readPacket() |
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if res[0] == OK_HEADER { |
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fmt.Println("send dump command return ok.") |
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} else { |
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s.io.HandleError(res) |
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} |
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} |
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func (s *Server) register() { |
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s.io.seq = 0 |
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hostname, _ := os.Hostname() |
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data := make([]byte, 4+1+4+1+len(hostname)+1+len(s.Cfg.User)+1+len(s.Cfg.Pass)+2+4+4) |
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pos := 4 |
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data[pos] = 21 //register slave command
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pos++ |
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binary.LittleEndian.PutUint32(data[pos:], uint32(s.Cfg.ServerId)) |
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pos += 4 |
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data[pos] = uint8(len(hostname)) |
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pos++ |
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n := copy(data[pos:], hostname) |
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pos += n |
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data[pos] = uint8(len(s.Cfg.User)) |
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pos++ |
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n = copy(data[pos:], s.Cfg.User) |
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pos += n |
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data[pos] = uint8(len(s.Cfg.Pass)) |
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pos++ |
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n = copy(data[pos:], s.Cfg.Pass) |
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pos += n |
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binary.LittleEndian.PutUint16(data[pos:], uint16(s.Cfg.Port)) |
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pos += 2 |
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binary.LittleEndian.PutUint32(data[pos:], 0) |
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pos += 4 |
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//master id = 0
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binary.LittleEndian.PutUint32(data[pos:], 0) |
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s.io.writePacket(data) |
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//ok
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res, _ := s.io.readPacket() |
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if res[0] == OK_HEADER { |
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fmt.Println("register success.") |
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s.registerSucc = true |
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} else { |
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s.io.HandleError(data) |
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} |
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} |
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func (s *Server) writeCommand(command byte) { |
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s.io.seq = 0 |
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_ = s.io.writePacket([]byte{ |
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0x01, //1 byte long
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0x00, |
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0x00, |
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0x00, //seq
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command, |
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}) |
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} |
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func (s *Server) query(q string) error { |
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s.io.seq = 0 |
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length := len(q) + 1 |
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data := make([]byte, length+4) |
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data[4] = 3 |
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copy(data[5:], q) |
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return s.io.writePacket(data) |
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} |
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func (s *Server) Quit() { |
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//quit
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s.writeCommand(byte(1)) |
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//maybe only close
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if err := s.conn.Close(); nil != err { |
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fmt.Printf("error in close :%v\n", err) |
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} |
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} |
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type PacketIo struct { |
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r *bufio.Reader |
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w io.Writer |
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seq uint8 |
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} |
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func (p *PacketIo) readPacket() ([]byte, error) { |
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//to read header
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header := []byte{0, 0, 0, 0} |
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if _, err := io.ReadFull(p.r, header); err != nil { |
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return nil, err |
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} |
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length := int(uint32(header[0]) | uint32(header[1])<<8 | uint32(header[2])<<16) |
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if length == 0 { |
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p.seq++ |
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return []byte{}, nil |
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} |
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if length == 1 { |
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return nil, fmt.Errorf("invalid payload") |
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} |
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seq := uint8(header[3]) |
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if p.seq != seq { |
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return nil, fmt.Errorf("invalid seq %d", seq) |
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} |
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p.seq++ |
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data := make([]byte, length) |
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if _, err := io.ReadFull(p.r, data); err != nil { |
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return nil, err |
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} else { |
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if length < MaxPayloadLength { |
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return data, nil |
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} |
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var buf []byte |
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buf, err = p.readPacket() |
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if err != nil { |
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return nil, err |
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} |
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if len(buf) == 0 { |
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return data, nil |
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} else { |
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return append(data, buf...), nil |
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} |
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} |
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} |
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func (p *PacketIo) writePacket(data []byte) error { |
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length := len(data) - 4 |
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if length >= MaxPayloadLength { |
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data[0] = 0xff |
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data[1] = 0xff |
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data[2] = 0xff |
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data[3] = p.seq |
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if n, err := p.w.Write(data[:4+MaxPayloadLength]); err != nil { |
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return fmt.Errorf("write find error") |
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} else if n != 4+MaxPayloadLength { |
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return fmt.Errorf("not equal max pay load length") |
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} else { |
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p.seq++ |
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length -= MaxPayloadLength |
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data = data[MaxPayloadLength:] |
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} |
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} |
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data[0] = byte(length) |
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data[1] = byte(length >> 8) |
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data[2] = byte(length >> 16) |
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data[3] = p.seq |
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if n, err := p.w.Write(data); err != nil { |
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return errors.New("write find error") |
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} else if n != len(data) { |
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return errors.New("not equal length") |
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} else { |
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p.seq++ |
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return nil |
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} |
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} |
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|
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func calPassword(scramble, password []byte) []byte { |
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crypt := sha1.New() |
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crypt.Write(password) |
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stage1 := crypt.Sum(nil) |
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crypt.Reset() |
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crypt.Write(stage1) |
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hash := crypt.Sum(nil) |
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crypt.Reset() |
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crypt.Write(scramble) |
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crypt.Write(hash) |
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scramble = crypt.Sum(nil) |
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|
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for i := range scramble { |
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scramble[i] ^= stage1[i] |
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} |
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return scramble |
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} |
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func (p *PacketIo) HandleError(data []byte) { |
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pos := 1 |
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code := binary.LittleEndian.Uint16(data[pos:]) |
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pos += 2 |
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pos++ |
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state := string(data[pos : pos+5]) |
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pos += 5 |
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msg := string(data[pos:]) |
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fmt.Printf("code:%d, state:%s, msg:%s\n", code, state, msg) |
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} |
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@ -0,0 +1,21 @@ |
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module mblog |
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|
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go 1.24.6 |
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|
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require github.com/go-mysql-org/go-mysql v1.13.0 |
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|
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require ( |
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filippo.io/edwards25519 v1.1.0 // indirect |
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github.com/goccy/go-json v0.10.2 // indirect |
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github.com/google/uuid v1.3.0 // indirect |
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github.com/klauspost/compress v1.17.8 // indirect |
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|
github.com/pingcap/errors v0.11.5-0.20250318082626-8f80e5cb09ec // indirect |
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|
github.com/pingcap/log v1.1.1-0.20241212030209-7e3ff8601a2a // indirect |
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|
github.com/pingcap/tidb/pkg/parser v0.0.0-20250421232622-526b2c79173d // indirect |
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|
github.com/shopspring/decimal v1.2.0 // indirect |
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go.uber.org/atomic v1.11.0 // indirect |
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go.uber.org/multierr v1.11.0 // indirect |
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go.uber.org/zap v1.27.0 // indirect |
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|
golang.org/x/text v0.24.0 // indirect |
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|
gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect |
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) |
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@ -0,0 +1,73 @@ |
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|
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA= |
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|
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4= |
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|
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA= |
||||
|
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= |
||||
|
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= |
||||
|
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= |
||||
|
github.com/go-mysql-org/go-mysql v1.13.0 h1:Hlsa5x1bX/wBFtMbdIOmb6YzyaVNBWnwrb8gSIEPMDc= |
||||
|
github.com/go-mysql-org/go-mysql v1.13.0/go.mod h1:FQxw17uRbFvMZFK+dPtIPufbU46nBdrGaxOw0ac9MFs= |
||||
|
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU= |
||||
|
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I= |
||||
|
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I= |
||||
|
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= |
||||
|
github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU= |
||||
|
github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw= |
||||
|
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= |
||||
|
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= |
||||
|
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= |
||||
|
github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= |
||||
|
github.com/pingcap/errors v0.11.5-0.20250318082626-8f80e5cb09ec h1:3EiGmeJWoNixU+EwllIn26x6s4njiWRXewdx2zlYa84= |
||||
|
github.com/pingcap/errors v0.11.5-0.20250318082626-8f80e5cb09ec/go.mod h1:X2r9ueLEUZgtx2cIogM0v4Zj5uvvzhuuiu7Pn8HzMPg= |
||||
|
github.com/pingcap/log v1.1.1-0.20241212030209-7e3ff8601a2a h1:WIhmJBlNGmnCWH6TLMdZfNEDaiU8cFpZe3iaqDbQ0M8= |
||||
|
github.com/pingcap/log v1.1.1-0.20241212030209-7e3ff8601a2a/go.mod h1:ORfBOFp1eteu2odzsyaxI+b8TzJwgjwyQcGhI+9SfEA= |
||||
|
github.com/pingcap/tidb/pkg/parser v0.0.0-20250421232622-526b2c79173d h1:3Ej6eTuLZp25p3aH/EXdReRHY12hjZYs3RrGp7iLdag= |
||||
|
github.com/pingcap/tidb/pkg/parser v0.0.0-20250421232622-526b2c79173d/go.mod h1:+8feuexTKcXHZF/dkDfvCwEyBAmgb4paFc3/WeYV2eE= |
||||
|
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= |
||||
|
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= |
||||
|
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= |
||||
|
github.com/shopspring/decimal v1.2.0 h1:abSATXmQEYyShuxI4/vyW3tV1MrKAJzCZ/0zLUXYbsQ= |
||||
|
github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o= |
||||
|
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= |
||||
|
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= |
||||
|
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= |
||||
|
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= |
||||
|
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= |
||||
|
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= |
||||
|
go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= |
||||
|
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= |
||||
|
go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= |
||||
|
go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE= |
||||
|
go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0= |
||||
|
go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A= |
||||
|
go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto= |
||||
|
go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE= |
||||
|
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= |
||||
|
go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak= |
||||
|
go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0= |
||||
|
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y= |
||||
|
go.uber.org/zap v1.19.0/go.mod h1:xg/QME4nWcxGxrpdeYfq7UvYrLh66cuVKdrbD1XF/NI= |
||||
|
go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8= |
||||
|
go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E= |
||||
|
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= |
||||
|
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= |
||||
|
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= |
||||
|
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= |
||||
|
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= |
||||
|
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= |
||||
|
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= |
||||
|
golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0= |
||||
|
golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU= |
||||
|
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= |
||||
|
golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= |
||||
|
golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= |
||||
|
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= |
||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= |
||||
|
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= |
||||
|
gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc= |
||||
|
gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc= |
||||
|
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= |
||||
|
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= |
||||
|
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
||||
|
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
||||
|
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= |
||||
|
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
||||
@ -0,0 +1,49 @@ |
|||||
|
package main |
||||
|
|
||||
|
import ( |
||||
|
"flag" |
||||
|
"fmt" |
||||
|
"mblog/app" |
||||
|
"os" |
||||
|
"os/signal" |
||||
|
"runtime" |
||||
|
"syscall" |
||||
|
) |
||||
|
|
||||
|
var myHost = flag.String("host", "127.0.0.1", "MySQL replication host") |
||||
|
var myPort = flag.Int("port", 3306, "MySQL replication port") |
||||
|
var myUser = flag.String("user", "root", "MySQL replication user") |
||||
|
var myPass = flag.String("pass", "****", "MySQL replication pass") |
||||
|
var serverId = flag.Int("server_id", 1111, "MySQL replication server id") |
||||
|
|
||||
|
func main() { |
||||
|
sc := make(chan os.Signal, 1) |
||||
|
signal.Notify(sc, |
||||
|
os.Kill, |
||||
|
os.Interrupt, |
||||
|
syscall.SIGHUP, |
||||
|
syscall.SIGQUIT, |
||||
|
syscall.SIGINT, |
||||
|
syscall.SIGTERM, |
||||
|
) |
||||
|
|
||||
|
runtime.GOMAXPROCS(runtime.NumCPU()/4 + 1) |
||||
|
flag.Parse() |
||||
|
cfg := &app.Config{ |
||||
|
*myHost, |
||||
|
*myPort, |
||||
|
*myUser, |
||||
|
*myPass, |
||||
|
*serverId, |
||||
|
"mysql-bin.000032", |
||||
|
3070, |
||||
|
} |
||||
|
srv := &app.Server{Cfg: cfg} |
||||
|
go srv.Run() |
||||
|
|
||||
|
select { |
||||
|
case n := <-sc: |
||||
|
srv.Quit() |
||||
|
fmt.Printf("receive signal %v, closing", n) |
||||
|
} |
||||
|
} |
||||
Loading…
Reference in new issue