server

package
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Published: Jun 29, 2018 License: Apache-2.0 Imports: 15 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func DefaultSessionBuilder

func DefaultSessionBuilder(_ *mysql.Conn) sql.Session

DefaultSessionBuilder is a SessionBuilder that returns a base session.

Types

type Config

type Config struct {
	// Protocol for the connection.
	Protocol string
	// Address of the server.
	Address string
	// Auth of the server.
	Auth mysql.AuthServer
	// Tracer to use in the server. By default, a noop tracer will be used if
	// no tracer is provided.
	Tracer opentracing.Tracer
}

Config for the mysql server.

type DoneFunc

type DoneFunc func()

DoneFunc is a function that must be executed when the session is used and it can be disposed.

type Handler

type Handler struct {
	// contains filtered or unexported fields
}

Handler is a connection handler for a SQLe engine.

func NewHandler

func NewHandler(e *sqle.Engine, sm *SessionManager) *Handler

NewHandler creates a new Handler given a SQLe engine.

func (*Handler) ComQuery

func (h *Handler) ComQuery(
	c *mysql.Conn,
	query string,
	callback func(*sqltypes.Result) error,
) error

ComQuery executes a SQL query on the SQLe engine.

func (*Handler) ConnectionClosed

func (h *Handler) ConnectionClosed(c *mysql.Conn)

ConnectionClosed reports that a connection has been closed.

func (*Handler) NewConnection

func (h *Handler) NewConnection(c *mysql.Conn)

NewConnection reports that a new connection has been established.

type Server

type Server struct {
	Listener *mysql.Listener
}

Server is a MySQL server for SQLe engines.

func NewDefaultServer

func NewDefaultServer(cfg Config, e *sqle.Engine) (*Server, error)

NewDefaultServer creates a Server with the default session builder.

func NewServer

func NewServer(cfg Config, e *sqle.Engine, sb SessionBuilder) (*Server, error)

NewServer creates a server with the given protocol, address, authentication details given a SQLe engine and a session builder.

func (*Server) Close

func (s *Server) Close() error

Close closes the server connection.

func (*Server) Start

func (s *Server) Start() error

Start starts accepting connections on the server.

type SessionBuilder

type SessionBuilder func(*mysql.Conn) sql.Session

SessionBuilder creates sessions given a context and a MySQL connection.

type SessionManager

type SessionManager struct {
	// contains filtered or unexported fields
}

SessionManager is in charge of creating new sessions for the given connections and keep track of which sessions are in each connection, so they can be cancelled is the connection is closed.

func NewSessionManager

func NewSessionManager(builder SessionBuilder, tracer opentracing.Tracer) *SessionManager

NewSessionManager creates a SessionManager with the given ContextBuilder.

func (*SessionManager) CloseConn

func (s *SessionManager) CloseConn(conn *mysql.Conn)

CloseConn closes the connection in the session manager and all its associated contexts, which are cancelled.

func (*SessionManager) NewContext

func (s *SessionManager) NewContext(conn *mysql.Conn) (*sql.Context, DoneFunc, error)

NewContext creates a new context for the session at the given conn.

func (*SessionManager) NewSession

func (s *SessionManager) NewSession(conn *mysql.Conn)

NewSession creates a Session for the given connection.

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