Method SendRequest

tailnet/controllers.go:240–247

SendRequest sends a coordinate request on the client connection, holding the coordination lock to prevent concurrent writes on the dRPC stream.

(req *proto.CoordinateRequest)

// SendRequest sends a coordinate request on the client connection, holding
// the coordination lock to prevent concurrent writes on the dRPC stream.
func (c *BasicCoordination) SendRequest(req *proto.CoordinateRequest) error {
	c.Lock()
	defer c.Unlock()
	if c.closed {
		return xerrors.New("coordination is closed")
	}
	return c.client.Send(req)
}

// Close the coordination gracefully. If the context expires before the remote API server has hung
// up on us, we forcibly close the Client connection.