func (ps *PinbaSender) Send(req *pinba.Request) error {
cli := ps.GetClient()
if cli == nil {
return nil
}
req.Hostname = ps.ServiceName
req.ServerName = ps.InstanceName
err := cli.SendRequest(req)
ps.clientPool.Put(cli) // this might be a frequent operation, save on defer
return err
}
func (server *Server) sendToPinba(req *pinba.Request, script_name string, duration time.Duration) {
if server.pinbaSender == nil {
return
}
req.ScriptName = script_name
req.RequestCount = 1
req.RequestTime = duration
err := server.pinbaSender.Send(req)
if err != nil { // this is pretty unlikely, therefore don't care about performance inside this 'if'
shouldLog := func() bool {
opErr, ok := err.(*net.OpError)
if !ok {
return true
}
syscallErr, ok := opErr.Err.(*os.SyscallError)
if !ok {
return true
}
errno, ok := syscallErr.Err.(syscall.Errno)
if !ok {
return true
}
if errno == syscall.ECONNREFUSED {
// NOTE(antoxa): see CT-2394
// just ignore connection refused errors, those happen when pinba is unavailable, but configured (since we use UDP)
// we kinda lose on error reporting that nothing is logged to pinba, but in practice the message is just annoying
return false
}
return true
}()
if shouldLog {
log.Warnf("sendToPinba() failed: %v", err)
}
}
}