Method send

flow/Net2.actor.cpp:666–672

	}

	Future<int> send(uint8_t const* begin, uint8_t const* end) override {
		++g_net2->countUDPWrites;
		ReadPromise p("N2_UDPWriteError", id);
		auto res = p.getFuture();
		socket.async_send(boost::asio::const_buffer(begin, end - begin), std::move(p));
		return res;
	}

	Future<int> sendTo(uint8_t const* begin, uint8_t const* end, NetworkAddress const& peer) override {
		++g_net2->countUDPWrites;