66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
/*
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Copyright 2016 GitHub Inc.
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See https://github.com/github/gh-ost/blob/master/LICENSE
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*/
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package mysql
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import (
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"fmt"
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"net"
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)
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// ConnectionConfig is the minimal configuration required to connect to a MySQL server
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type ConnectionConfig struct {
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Key InstanceKey
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User string
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Password string
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ImpliedKey *InstanceKey
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}
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func NewConnectionConfig() *ConnectionConfig {
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config := &ConnectionConfig{
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Key: InstanceKey{},
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}
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config.ImpliedKey = &config.Key
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return config
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}
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// DuplicateCredentials creates a new connection config with given key and with same credentials as this config
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func (this *ConnectionConfig) DuplicateCredentials(key InstanceKey) *ConnectionConfig {
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config := &ConnectionConfig{
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Key: key,
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User: this.User,
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Password: this.Password,
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}
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config.ImpliedKey = &config.Key
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return config
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}
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func (this *ConnectionConfig) Duplicate() *ConnectionConfig {
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return this.DuplicateCredentials(this.Key)
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}
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func (this *ConnectionConfig) String() string {
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return fmt.Sprintf("%s, user=%s", this.Key.DisplayString(), this.User)
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}
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func (this *ConnectionConfig) Equals(other *ConnectionConfig) bool {
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return this.Key.Equals(&other.Key) || this.ImpliedKey.Equals(other.ImpliedKey)
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}
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func (this *ConnectionConfig) GetDBUri(databaseName string, includeRiskCharset bool) string {
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hostname := this.Key.Hostname
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var ip = net.ParseIP(hostname)
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if (ip != nil) && (ip.To4() == nil) {
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// Wrap IPv6 literals in square brackets
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hostname = fmt.Sprintf("[%s]", hostname)
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}
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var riskCharset string
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interpolateParams := !includeRiskCharset
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if includeRiskCharset {
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riskCharset = ",gbk,gb2312,big5,cp932,sjis"
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}
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return fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?interpolateParams=%t&autocommit=true&charset=utf8mb4,utf8,latin1%s", this.User, this.Password, hostname, this.Key.Port, databaseName, interpolateParams, riskCharset)
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}
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