50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package rpc
|
|
|
|
import (
|
|
"log"
|
|
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
// A Logger records diagnostic information and errors that are not
|
|
// associated with a call. The arguments passed into a log call are
|
|
// interpreted like fmt.Printf. They should not be held onto past the
|
|
// call's return.
|
|
type Logger interface {
|
|
Infof(ctx context.Context, format string, args ...interface{})
|
|
Errorf(ctx context.Context, format string, args ...interface{})
|
|
}
|
|
|
|
type defaultLogger struct{}
|
|
|
|
func (defaultLogger) Infof(ctx context.Context, format string, args ...interface{}) {
|
|
log.Printf("rpc: "+format, args...)
|
|
}
|
|
|
|
func (defaultLogger) Errorf(ctx context.Context, format string, args ...interface{}) {
|
|
log.Printf("rpc: "+format, args...)
|
|
}
|
|
|
|
func (c *Conn) infof(format string, args ...interface{}) {
|
|
if c.log == nil {
|
|
return
|
|
}
|
|
c.log.Infof(c.bg, format, args...)
|
|
}
|
|
|
|
func (c *Conn) errorf(format string, args ...interface{}) {
|
|
if c.log == nil {
|
|
return
|
|
}
|
|
c.log.Errorf(c.bg, format, args...)
|
|
}
|
|
|
|
// ConnLog sets the connection's log to the given Logger, which may be
|
|
// nil to disable logging. By default, logs are sent to the standard
|
|
// log package.
|
|
func ConnLog(log Logger) ConnOption {
|
|
return ConnOption{func(c *connParams) {
|
|
c.log = log
|
|
}}
|
|
}
|