72 lines
2.2 KiB
Plaintext
72 lines
2.2 KiB
Plaintext
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///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: NicManager.sg1
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//
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// Note:
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//
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// When a network device comes up, it registers with the
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// NicManager, who places it in the namespace under
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// /dev/nicX and advertises its existence with the netstack
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// runtime core. The netstack runtime core will be responsible
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// for notifying the NicManager when the device has gone away.
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//
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using System;
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using System.Threading;
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using Microsoft.SingSharp;
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using Microsoft.Singularity;
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using Microsoft.Singularity.V1.Services;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Io;
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using Microsoft.Singularity.Io.Net;
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using Microsoft.Singularity.Directory;
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using NetStack.Contracts;
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namespace NetStack.Channels.Nic
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{
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public class NicFactory
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{
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private static void ProbeNic(DirectoryServiceContract.Imp! ns,
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int number)
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{
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string! nicName = (!)String.Format("/dev/nic{0}", number);
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NicDeviceContract.Imp! imp;
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NicDeviceContract.Exp! exp;
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NicDeviceContract.NewChannel(out imp, out exp);
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Tracing.Log(Tracing.Debug, "Looking up {0}", nicName);
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ErrorCode errorOut;
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bool ok = SdsUtils.Bind(nicName, ns, exp, out errorOut);
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if (!ok) {
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delete imp;
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Tracing.Log(Tracing.Debug, "Error! reason {0}",
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SdsUtils.ErrorCodeToString(errorOut));
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}
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else {
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Tracing.Log(Tracing.Debug, "Found {0}", nicName);
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Nic.CreateAndRegister(imp, nicName);
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Tracing.Log(Tracing.Debug, "Done with {0}", nicName);
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}
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}
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public static void Probe()
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{
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DirectoryServiceContract.Imp ns = DirectoryService.NewClientEndpoint();
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try {
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for (int i = 0; i < 10; i++) {
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ProbeNic(ns, i);
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}
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}
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finally {
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delete ns;
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}
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}
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}
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}
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