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Specify a custom dial function per config #1527

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Merged
merged 3 commits into from
Nov 10, 2024
Merged

Specify a custom dial function per config #1527

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63f0c4b
Specify a custom dial function per config
aaronjheng Mar 11, 2024
b52c4c5
reformat dsn.go
methane Nov 7, 2024
2d6a857
simplify calling dialer
methane Nov 7, 2024
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31 changes: 18 additions & 13 deletions connector.go
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Original file line number Diff line number Diff line change
Expand Up @@ -87,20 +87,25 @@ func (c *connector) Connect(ctx context.Context) (driver.Conn, error) {
mc.parseTime = mc.cfg.ParseTime

// Connect to Server
dialsLock.RLock()
dial, ok := dials[mc.cfg.Net]
dialsLock.RUnlock()
if ok {
dctx := ctx
if mc.cfg.Timeout > 0 {
var cancel context.CancelFunc
dctx, cancel = context.WithTimeout(ctx, c.cfg.Timeout)
defer cancel()
}
mc.netConn, err = dial(dctx, mc.cfg.Addr)
dctx := ctx
if mc.cfg.Timeout > 0 {
var cancel context.CancelFunc
dctx, cancel = context.WithTimeout(ctx, c.cfg.Timeout)
defer cancel()
}

if c.cfg.DialFunc != nil {
mc.netConn, err = c.cfg.DialFunc(dctx, mc.cfg.Net, mc.cfg.Addr)
} else {
nd := net.Dialer{Timeout: mc.cfg.Timeout}
mc.netConn, err = nd.DialContext(ctx, mc.cfg.Net, mc.cfg.Addr)
dialsLock.RLock()
dial, ok := dials[mc.cfg.Net]
dialsLock.RUnlock()
if ok {
mc.netConn, err = dial(dctx, mc.cfg.Addr)
} else {
nd := net.Dialer{}
mc.netConn, err = nd.DialContext(dctx, mc.cfg.Net, mc.cfg.Addr)
}
}
if err != nil {
return nil, err
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2 changes: 2 additions & 0 deletions dsn.go
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,8 @@ type Config struct {
ReadTimeout time.Duration // I/O read timeout
WriteTimeout time.Duration // I/O write timeout
Logger Logger // Logger
// DialFunc specifies the dial function for creating connections
DialFunc func(ctx context.Context, network, addr string) (net.Conn, error)

// boolean fields

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