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path: root/vendor/github.com/go-sql-driver/mysql/driver.go
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Diffstat (limited to 'vendor/github.com/go-sql-driver/mysql/driver.go')
-rw-r--r--vendor/github.com/go-sql-driver/mysql/driver.go165
1 files changed, 0 insertions, 165 deletions
diff --git a/vendor/github.com/go-sql-driver/mysql/driver.go b/vendor/github.com/go-sql-driver/mysql/driver.go
deleted file mode 100644
index ba12978..0000000
--- a/vendor/github.com/go-sql-driver/mysql/driver.go
+++ /dev/null
@@ -1,165 +0,0 @@
-// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at http://mozilla.org/MPL/2.0/.
-
-// Package mysql provides a MySQL driver for Go's database/sql package.
-//
-// The driver should be used via the database/sql package:
-//
-// import "database/sql"
-// import _ "github.com/go-sql-driver/mysql"
-//
-// db, err := sql.Open("mysql", "user:password@/dbname")
-//
-// See https://github.com/go-sql-driver/mysql#usage for details
-package mysql
-
-import (
- "database/sql"
- "database/sql/driver"
- "net"
- "sync"
-)
-
-// MySQLDriver is exported to make the driver directly accessible.
-// In general the driver is used via the database/sql package.
-type MySQLDriver struct{}
-
-// DialFunc is a function which can be used to establish the network connection.
-// Custom dial functions must be registered with RegisterDial
-type DialFunc func(addr string) (net.Conn, error)
-
-var (
- dialsLock sync.RWMutex
- dials map[string]DialFunc
-)
-
-// RegisterDial registers a custom dial function. It can then be used by the
-// network address mynet(addr), where mynet is the registered new network.
-// addr is passed as a parameter to the dial function.
-func RegisterDial(net string, dial DialFunc) {
- dialsLock.Lock()
- defer dialsLock.Unlock()
- if dials == nil {
- dials = make(map[string]DialFunc)
- }
- dials[net] = dial
-}
-
-// Open new Connection.
-// See https://github.com/go-sql-driver/mysql#dsn-data-source-name for how
-// the DSN string is formated
-func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
- var err error
-
- // New mysqlConn
- mc := &mysqlConn{
- maxAllowedPacket: maxPacketSize,
- maxWriteSize: maxPacketSize - 1,
- closech: make(chan struct{}),
- }
- mc.cfg, err = ParseDSN(dsn)
- if err != nil {
- return nil, err
- }
- mc.parseTime = mc.cfg.ParseTime
-
- // Connect to Server
- dialsLock.RLock()
- dial, ok := dials[mc.cfg.Net]
- dialsLock.RUnlock()
- if ok {
- mc.netConn, err = dial(mc.cfg.Addr)
- } else {
- nd := net.Dialer{Timeout: mc.cfg.Timeout}
- mc.netConn, err = nd.Dial(mc.cfg.Net, mc.cfg.Addr)
- }
- if err != nil {
- return nil, err
- }
-
- // Enable TCP Keepalives on TCP connections
- if tc, ok := mc.netConn.(*net.TCPConn); ok {
- if err := tc.SetKeepAlive(true); err != nil {
- // Don't send COM_QUIT before handshake.
- mc.netConn.Close()
- mc.netConn = nil
- return nil, err
- }
- }
-
- // Call startWatcher for context support (From Go 1.8)
- mc.startWatcher()
-
- mc.buf = newBuffer(mc.netConn)
-
- // Set I/O timeouts
- mc.buf.timeout = mc.cfg.ReadTimeout
- mc.writeTimeout = mc.cfg.WriteTimeout
-
- // Reading Handshake Initialization Packet
- authData, plugin, err := mc.readHandshakePacket()
- if err != nil {
- mc.cleanup()
- return nil, err
- }
- if plugin == "" {
- plugin = defaultAuthPlugin
- }
-
- // Send Client Authentication Packet
- authResp, addNUL, err := mc.auth(authData, plugin)
- if err != nil {
- // try the default auth plugin, if using the requested plugin failed
- errLog.Print("could not use requested auth plugin '"+plugin+"': ", err.Error())
- plugin = defaultAuthPlugin
- authResp, addNUL, err = mc.auth(authData, plugin)
- if err != nil {
- mc.cleanup()
- return nil, err
- }
- }
- if err = mc.writeHandshakeResponsePacket(authResp, addNUL, plugin); err != nil {
- mc.cleanup()
- return nil, err
- }
-
- // Handle response to auth packet, switch methods if possible
- if err = mc.handleAuthResult(authData, plugin); err != nil {
- // Authentication failed and MySQL has already closed the connection
- // (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
- // Do not send COM_QUIT, just cleanup and return the error.
- mc.cleanup()
- return nil, err
- }
-
- if mc.cfg.MaxAllowedPacket > 0 {
- mc.maxAllowedPacket = mc.cfg.MaxAllowedPacket
- } else {
- // Get max allowed packet size
- maxap, err := mc.getSystemVar("max_allowed_packet")
- if err != nil {
- mc.Close()
- return nil, err
- }
- mc.maxAllowedPacket = stringToInt(maxap) - 1
- }
- if mc.maxAllowedPacket < maxPacketSize {
- mc.maxWriteSize = mc.maxAllowedPacket
- }
-
- // Handle DSN Params
- err = mc.handleParams()
- if err != nil {
- mc.Close()
- return nil, err
- }
-
- return mc, nil
-}
-
-func init() {
- sql.Register("mysql", &MySQLDriver{})
-}