func (s *Server) newClientConn(co net.Conn) *ClientConn { c := new(ClientConn) c.c = co c.schema = s.GetSchema(s.db) c.pkg = mysql.NewPacketIO(co) c.proxy = s c.c = co c.pkg.Sequence = 0 c.connectionId = atomic.AddUint32(&baseConnId, 1) c.status = mysql.SERVER_STATUS_AUTOCOMMIT c.salt, _ = mysql.RandomBuf(20) c.txConns = make(map[*backend.Node]*backend.BackendConn) c.closed = false c.collation = mysql.DEFAULT_COLLATION_ID c.charset = mysql.DEFAULT_CHARSET c.stmtId = 0 c.stmts = make(map[uint32]*Stmt) return c }
func (c *Conn) ReConnect() error { if c.conn != nil { c.conn.Close() } n := "tcp" if strings.Contains(c.addr, "/") { n = "unix" } netConn, err := net.Dial(n, c.addr) if err != nil { return err } c.conn = netConn c.pkg = mysql.NewPacketIO(netConn) if err := c.readInitialHandshake(); err != nil { c.conn.Close() return err } if err := c.writeAuthHandshake(); err != nil { c.conn.Close() return err } if _, err := c.readOK(); err != nil { c.conn.Close() return err } //we must always use autocommit if !c.IsAutoCommit() { if _, err := c.exec("set autocommit = 1"); err != nil { c.conn.Close() return err } } c.lastPing = time.Now().Unix() return nil }