78 lines
2.2 KiB
Plaintext
78 lines
2.2 KiB
Plaintext
///////////////////////////////////////////////////////////////////////////////
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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: ChildPong.sg
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//
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// Note: Simple ping-pong second child process
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//
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using Microsoft.SingSharp;
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using Microsoft.SingSharp.Runtime;
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using Microsoft.Singularity;
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using Microsoft.Singularity.Diagnostics.Contracts;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Directory;
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using Microsoft.Singularity.PingPong.Contracts;
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using System;
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using System.Diagnostics;
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using Microsoft.Singularity.Io;
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using Microsoft.Singularity.Configuration;
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using Microsoft.SingSharp.Reflection;
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using Microsoft.Singularity.Applications;
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[assembly: Transform(typeof(WebAppResourceTransform))]
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namespace Microsoft.Singularity.PingPong
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{
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[Category("PingPong")]
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internal sealed class Parameters
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{
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[Endpoint]
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public readonly TRef<PongContract.Exp:Start> pongRef;
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reflective private Parameters();
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}
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public class ChildPong
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{
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internal static int AppMain(Parameters! config)
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{
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PongContract.Exp conn = ((!)config.pongRef).Acquire();
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if (conn == null) {
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throw new Exception("ChildPing: Unable to acquire handle to the the Pong Contract");
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}
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#if false
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Endpoint * in ExHeap ep = Process.GetStartupEndpoint(0);
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PongContract.Exp conn = ep as PongContract.Exp;
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if (conn == null) {
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// Wrong contract type!
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delete ep;
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return;
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}
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#endif
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conn.SendPongReady();
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try {
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while(true) {
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switch receive {
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case conn.Ping(int data):
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conn.SendPong(data);
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break;
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case conn.ChannelClosed():
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return -1;
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}
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}
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}
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finally {
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delete conn;
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}
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return 0;
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}
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}
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}
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