async Task IServer.Ping(SrvPingRequest request, ITcpOp tcpOp)
{
validate(request);
var user = await getUser(request);
authenticate(user, request);
var response = makeResponse <SrvPongResponse>(request);
await tcpOp.Write(response);
}
async Task IClient.Ping()
{
var request = new SrvPingRequest();
var tcpOp = startTcpOp(request);
await tcpOp.Write(request);
var response = await tcpOp.Read <SrvPongResponse>();
validate(response);
}
