Joseph Doherty
745 lines
27 KiB
C#
745 lines
27 KiB
C#
using System.Globalization;
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using System.Text.Json;
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using Google.Protobuf;
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using MxGateway.Client;
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using MxGateway.Contracts.Proto;
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namespace MxGateway.Client.Cli;
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public static class MxGatewayClientCli
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{
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private static readonly JsonFormatter ProtobufJsonFormatter = JsonFormatter.Default;
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private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
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public static int Run(
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string[] args,
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TextWriter standardOutput,
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TextWriter standardError)
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{
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return RunAsync(args, standardOutput, standardError)
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.GetAwaiter()
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.GetResult();
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}
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public static Task<int> RunAsync(
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string[] args,
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TextWriter standardOutput,
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TextWriter standardError,
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Func<MxGatewayClientOptions, IMxGatewayCliClient>? clientFactory = null)
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{
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ArgumentNullException.ThrowIfNull(args);
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ArgumentNullException.ThrowIfNull(standardOutput);
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ArgumentNullException.ThrowIfNull(standardError);
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return RunCoreAsync(
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args,
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standardOutput,
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standardError,
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clientFactory ?? CreateDefaultClient);
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}
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private static async Task<int> RunCoreAsync(
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string[] args,
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TextWriter standardOutput,
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TextWriter standardError,
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Func<MxGatewayClientOptions, IMxGatewayCliClient> clientFactory)
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{
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if (args.Length is 0 || IsHelp(args[0]))
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{
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WriteUsage(standardOutput);
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return 0;
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}
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string command = args[0].ToLowerInvariant();
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CliArguments arguments = new(args.Skip(1));
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try
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{
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if (command is "version")
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{
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WriteVersion(arguments, standardOutput);
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return 0;
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}
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if (!IsKnownGatewayCommand(command))
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{
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return WriteUnknownCommand(command, standardError);
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}
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await using IMxGatewayCliClient client = clientFactory(CreateOptions(arguments));
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using CancellationTokenSource cancellation = CreateCancellation(arguments);
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return command switch
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{
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"open-session" => await OpenSessionAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"close-session" => await CloseSessionAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"ping" => await PingAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"register" => await RegisterAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"add-item" => await AddItemAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"advise" => await AdviseAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"stream-events" => await StreamEventsAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"write" => await WriteAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"write2" => await Write2Async(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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"smoke" => await SmokeAsync(arguments, client, standardOutput, cancellation.Token)
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.ConfigureAwait(false),
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_ => WriteUnknownCommand(command, standardError),
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};
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}
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catch (Exception exception) when (exception is not OperationCanceledException)
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{
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string? apiKey = arguments.GetOptional("api-key");
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string message = MxGatewayCliSecretRedactor.Redact(exception.Message, apiKey);
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if (arguments.HasFlag("json"))
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{
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standardError.WriteLine(JsonSerializer.Serialize(
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new { error = message, type = exception.GetType().Name },
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JsonOptions));
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}
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else
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{
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standardError.WriteLine(message);
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}
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return 1;
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}
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}
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private static IMxGatewayCliClient CreateDefaultClient(MxGatewayClientOptions options)
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{
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return new MxGatewayCliClientAdapter(MxGatewayClient.Create(options));
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}
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private static MxGatewayClientOptions CreateOptions(CliArguments arguments)
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{
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string endpoint = arguments.GetOptional("endpoint")
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?? Environment.GetEnvironmentVariable("MXGATEWAY_ENDPOINT")
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?? "http://localhost:5000";
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string apiKey = ResolveApiKey(arguments);
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return new MxGatewayClientOptions
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{
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Endpoint = new Uri(endpoint, UriKind.Absolute),
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ApiKey = apiKey,
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UseTls = arguments.HasFlag("tls")
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|| endpoint.StartsWith("https://", StringComparison.OrdinalIgnoreCase),
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DefaultCallTimeout = arguments.GetDuration("timeout", TimeSpan.FromSeconds(30)),
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ConnectTimeout = arguments.GetDuration("connect-timeout", TimeSpan.FromSeconds(10)),
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CaCertificatePath = arguments.GetOptional("ca-file"),
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ServerNameOverride = arguments.GetOptional("server-name"),
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};
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}
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private static string ResolveApiKey(CliArguments arguments)
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{
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string? apiKey = arguments.GetOptional("api-key");
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if (!string.IsNullOrWhiteSpace(apiKey))
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{
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return apiKey;
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}
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string apiKeyEnvironmentName = arguments.GetOptional("api-key-env")
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?? "MXGATEWAY_API_KEY";
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apiKey = Environment.GetEnvironmentVariable(apiKeyEnvironmentName);
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if (!string.IsNullOrWhiteSpace(apiKey))
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{
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return apiKey;
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}
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throw new ArgumentException(
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$"Gateway API key is required. Pass --api-key or set {apiKeyEnvironmentName}.");
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}
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private static CancellationTokenSource CreateCancellation(CliArguments arguments)
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{
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var cancellation = new CancellationTokenSource();
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TimeSpan timeout = arguments.GetDuration("timeout", TimeSpan.FromSeconds(30));
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cancellation.CancelAfter(timeout);
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return cancellation;
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}
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private static Task<int> OpenSessionAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return WriteReplyAsync(
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client.OpenSessionAsync(
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new OpenSessionRequest
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{
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ClientSessionName = arguments.GetOptional("client-name") ?? "mxgw-dotnet-cli",
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ClientCorrelationId = CreateCorrelationId(),
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RequestedBackend = arguments.GetOptional("backend") ?? string.Empty,
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},
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cancellationToken),
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arguments,
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output);
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}
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private static Task<int> CloseSessionAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return WriteReplyAsync(
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client.CloseSessionAsync(
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new CloseSessionRequest
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{
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SessionId = arguments.GetRequired("session-id"),
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ClientCorrelationId = CreateCorrelationId(),
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},
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cancellationToken),
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arguments,
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output);
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}
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private static Task<int> PingAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return InvokeAndWriteAsync(
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arguments,
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client,
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output,
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new MxCommand
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{
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Kind = MxCommandKind.Ping,
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Ping = new PingCommand { Message = arguments.GetOptional("message") ?? "ping" },
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},
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cancellationToken);
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}
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private static Task<int> RegisterAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return InvokeAndWriteAsync(
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arguments,
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client,
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output,
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new MxCommand
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{
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Kind = MxCommandKind.Register,
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Register = new RegisterCommand { ClientName = arguments.GetOptional("client-name") ?? "mxgw-dotnet-cli" },
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},
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cancellationToken);
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}
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private static Task<int> AddItemAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return InvokeAndWriteAsync(
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arguments,
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client,
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output,
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new MxCommand
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{
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Kind = MxCommandKind.AddItem,
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AddItem = new AddItemCommand
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{
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ServerHandle = arguments.GetInt32("server-handle"),
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ItemDefinition = arguments.GetRequired("item"),
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},
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},
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cancellationToken);
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}
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private static Task<int> AdviseAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return InvokeAndWriteAsync(
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arguments,
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client,
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output,
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new MxCommand
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{
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Kind = MxCommandKind.Advise,
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Advise = new AdviseCommand
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{
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ServerHandle = arguments.GetInt32("server-handle"),
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ItemHandle = arguments.GetInt32("item-handle"),
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},
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},
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cancellationToken);
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}
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private static Task<int> WriteAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return InvokeAndWriteAsync(
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arguments,
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client,
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output,
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new MxCommand
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{
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Kind = MxCommandKind.Write,
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Write = new WriteCommand
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{
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ServerHandle = arguments.GetInt32("server-handle"),
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ItemHandle = arguments.GetInt32("item-handle"),
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UserId = arguments.GetInt32("user-id", 0),
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Value = ParseValue(arguments),
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},
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},
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cancellationToken);
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}
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private static Task<int> Write2Async(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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return InvokeAndWriteAsync(
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arguments,
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client,
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output,
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new MxCommand
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{
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Kind = MxCommandKind.Write2,
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Write2 = new Write2Command
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{
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ServerHandle = arguments.GetInt32("server-handle"),
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ItemHandle = arguments.GetInt32("item-handle"),
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UserId = arguments.GetInt32("user-id", 0),
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Value = ParseValue(arguments),
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TimestampValue = ParseTimestampValue(arguments),
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},
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},
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cancellationToken);
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}
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private static async Task<int> StreamEventsAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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var events = new List<MxEvent>();
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uint maxEvents = arguments.GetUInt32("max-events", 0);
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uint eventCount = 0;
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var request = new StreamEventsRequest
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{
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SessionId = arguments.GetRequired("session-id"),
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AfterWorkerSequence = arguments.GetUInt64("after-worker-sequence", 0),
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};
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await foreach (MxEvent gatewayEvent in client.StreamEventsAsync(request, cancellationToken)
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.WithCancellation(cancellationToken)
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.ConfigureAwait(false))
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{
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if (arguments.HasFlag("json"))
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{
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events.Add(gatewayEvent);
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}
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else
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{
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output.WriteLine(ProtobufJsonFormatter.Format(gatewayEvent));
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}
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eventCount++;
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if (maxEvents > 0 && eventCount >= maxEvents)
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{
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break;
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}
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}
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if (arguments.HasFlag("json"))
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{
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output.WriteLine(JsonSerializer.Serialize(
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new { events = events.Select(EventToJsonElement).ToArray() },
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JsonOptions));
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}
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return 0;
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}
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private static async Task<int> SmokeAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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CancellationToken cancellationToken)
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{
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OpenSessionReply? openReply = null;
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CloseSessionReply? closeReply = null;
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var commandReplies = new List<MxCommandReply>();
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var events = new List<MxEvent>();
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try
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{
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openReply = await client.OpenSessionAsync(
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new OpenSessionRequest
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{
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ClientSessionName = arguments.GetOptional("client-name") ?? "mxgw-dotnet-smoke",
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ClientCorrelationId = CreateCorrelationId(),
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},
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cancellationToken)
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.ConfigureAwait(false);
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int serverHandle = await InvokeForHandleAsync(
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arguments,
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client,
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openReply.SessionId,
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new MxCommand
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{
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Kind = MxCommandKind.Register,
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Register = new RegisterCommand { ClientName = arguments.GetOptional("client-name") ?? "mxgw-dotnet-smoke" },
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},
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reply => reply.Register?.ServerHandle ?? reply.ReturnValue.Int32Value,
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commandReplies,
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cancellationToken)
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.ConfigureAwait(false);
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int itemHandle = await InvokeForHandleAsync(
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arguments,
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client,
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openReply.SessionId,
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new MxCommand
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{
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Kind = MxCommandKind.AddItem,
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AddItem = new AddItemCommand
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{
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ServerHandle = serverHandle,
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ItemDefinition = arguments.GetRequired("item"),
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},
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},
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reply => reply.AddItem?.ItemHandle ?? reply.ReturnValue.Int32Value,
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commandReplies,
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cancellationToken)
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.ConfigureAwait(false);
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commandReplies.Add(await InvokeAndEnsureAsync(
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client,
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CreateCommandRequest(
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openReply.SessionId,
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new MxCommand
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{
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Kind = MxCommandKind.Advise,
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Advise = new AdviseCommand
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{
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ServerHandle = serverHandle,
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ItemHandle = itemHandle,
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},
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}),
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cancellationToken)
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.ConfigureAwait(false));
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if (arguments.GetOptional("value") is not null)
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{
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commandReplies.Add(await InvokeAndEnsureAsync(
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client,
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CreateCommandRequest(
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openReply.SessionId,
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new MxCommand
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{
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Kind = MxCommandKind.Write,
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Write = new WriteCommand
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{
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ServerHandle = serverHandle,
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ItemHandle = itemHandle,
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UserId = arguments.GetInt32("user-id", 0),
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Value = ParseValue(arguments),
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},
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}),
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cancellationToken)
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.ConfigureAwait(false));
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}
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using CancellationTokenSource streamCancellation = CancellationTokenSource
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.CreateLinkedTokenSource(cancellationToken);
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streamCancellation.CancelAfter(arguments.GetDuration(
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"event-timeout",
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TimeSpan.FromSeconds(2)));
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try
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{
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await foreach (MxEvent gatewayEvent in client.StreamEventsAsync(
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new StreamEventsRequest { SessionId = openReply.SessionId },
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streamCancellation.Token)
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.WithCancellation(streamCancellation.Token)
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.ConfigureAwait(false))
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{
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events.Add(gatewayEvent);
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if (events.Count >= arguments.GetUInt32("max-events", 1))
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{
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break;
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}
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}
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}
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catch (OperationCanceledException) when (!cancellationToken.IsCancellationRequested)
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{
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}
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}
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finally
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{
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if (openReply is not null)
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{
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closeReply = await client.CloseSessionAsync(
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new CloseSessionRequest
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{
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SessionId = openReply.SessionId,
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ClientCorrelationId = CreateCorrelationId(),
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},
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CancellationToken.None)
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.ConfigureAwait(false);
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}
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}
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WriteSmokeResult(arguments, output, openReply, closeReply, commandReplies, events);
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return 0;
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}
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private static async Task<int> InvokeAndWriteAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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TextWriter output,
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MxCommand command,
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CancellationToken cancellationToken)
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{
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MxCommandReply reply = await InvokeAndEnsureAsync(
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client,
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CreateCommandRequest(arguments.GetRequired("session-id"), command),
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cancellationToken)
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.ConfigureAwait(false);
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WriteMessage(arguments, output, reply);
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return 0;
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}
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private static async Task<int> InvokeForHandleAsync(
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CliArguments arguments,
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IMxGatewayCliClient client,
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string sessionId,
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MxCommand command,
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Func<MxCommandReply, int> handleSelector,
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List<MxCommandReply> replies,
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CancellationToken cancellationToken)
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{
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MxCommandReply reply = await InvokeAndEnsureAsync(
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client,
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CreateCommandRequest(sessionId, command),
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cancellationToken)
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.ConfigureAwait(false);
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replies.Add(reply);
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return handleSelector(reply);
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}
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private static async Task<MxCommandReply> InvokeAndEnsureAsync(
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IMxGatewayCliClient client,
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MxCommandRequest request,
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CancellationToken cancellationToken)
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{
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MxCommandReply reply = await client.InvokeAsync(request, cancellationToken)
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.ConfigureAwait(false);
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reply.EnsureProtocolSuccess().EnsureMxAccessSuccess();
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return reply;
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}
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private static MxCommandRequest CreateCommandRequest(
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string sessionId,
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MxCommand command)
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{
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return new MxCommandRequest
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{
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SessionId = sessionId,
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ClientCorrelationId = CreateCorrelationId(),
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Command = command,
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};
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}
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private static async Task<int> WriteReplyAsync<TReply>(
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Task<TReply> replyTask,
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CliArguments arguments,
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TextWriter output)
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where TReply : IMessage
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{
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TReply reply = await replyTask.ConfigureAwait(false);
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WriteMessage(arguments, output, reply);
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return 0;
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}
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private static void WriteVersion(CliArguments arguments, TextWriter output)
|
|
{
|
|
if (arguments.HasFlag("json"))
|
|
{
|
|
output.WriteLine(JsonSerializer.Serialize(
|
|
new
|
|
{
|
|
gatewayProtocolVersion = MxGatewayClientContractInfo.GatewayProtocolVersion,
|
|
workerProtocolVersion = MxGatewayClientContractInfo.WorkerProtocolVersion,
|
|
},
|
|
JsonOptions));
|
|
return;
|
|
}
|
|
|
|
output.WriteLine(
|
|
$"gateway-protocol={MxGatewayClientContractInfo.GatewayProtocolVersion}");
|
|
output.WriteLine(
|
|
$"worker-protocol={MxGatewayClientContractInfo.WorkerProtocolVersion}");
|
|
}
|
|
|
|
private static void WriteMessage(
|
|
CliArguments arguments,
|
|
TextWriter output,
|
|
IMessage message)
|
|
{
|
|
output.WriteLine(arguments.HasFlag("json")
|
|
? ProtobufJsonFormatter.Format(message)
|
|
: message.ToString());
|
|
}
|
|
|
|
private static void WriteSmokeResult(
|
|
CliArguments arguments,
|
|
TextWriter output,
|
|
OpenSessionReply? openReply,
|
|
CloseSessionReply? closeReply,
|
|
IReadOnlyList<MxCommandReply> commandReplies,
|
|
IReadOnlyList<MxEvent> events)
|
|
{
|
|
if (!arguments.HasFlag("json"))
|
|
{
|
|
output.WriteLine($"session-id={openReply?.SessionId}");
|
|
output.WriteLine($"commands={commandReplies.Count}");
|
|
output.WriteLine($"events={events.Count}");
|
|
output.WriteLine($"closed={closeReply is not null}");
|
|
return;
|
|
}
|
|
|
|
output.WriteLine(JsonSerializer.Serialize(
|
|
new
|
|
{
|
|
sessionId = openReply?.SessionId,
|
|
closed = closeReply is not null,
|
|
commandReplies = commandReplies.Select(CommandReplyToJsonElement).ToArray(),
|
|
events = events.Select(EventToJsonElement).ToArray(),
|
|
},
|
|
JsonOptions));
|
|
}
|
|
|
|
private static JsonElement CommandReplyToJsonElement(MxCommandReply reply)
|
|
{
|
|
return JsonDocument.Parse(ProtobufJsonFormatter.Format(reply)).RootElement.Clone();
|
|
}
|
|
|
|
private static JsonElement EventToJsonElement(MxEvent gatewayEvent)
|
|
{
|
|
return JsonDocument.Parse(ProtobufJsonFormatter.Format(gatewayEvent)).RootElement.Clone();
|
|
}
|
|
|
|
private static MxValue ParseValue(CliArguments arguments)
|
|
{
|
|
string type = arguments.GetRequired("type").ToLowerInvariant();
|
|
string value = arguments.GetRequired("value");
|
|
string[] values = value.Split(',', StringSplitOptions.TrimEntries);
|
|
|
|
return type switch
|
|
{
|
|
"bool" or "boolean" => bool.Parse(value).ToMxValue(),
|
|
"bool-array" or "boolean-array" => values.Select(bool.Parse).ToArray().ToMxValue(),
|
|
"int32" or "integer" => int.Parse(value, CultureInfo.InvariantCulture).ToMxValue(),
|
|
"int32-array" or "integer-array" => values.Select(item => int.Parse(item, CultureInfo.InvariantCulture)).ToArray().ToMxValue(),
|
|
"int64" => long.Parse(value, CultureInfo.InvariantCulture).ToMxValue(),
|
|
"int64-array" => values.Select(item => long.Parse(item, CultureInfo.InvariantCulture)).ToArray().ToMxValue(),
|
|
"float" => float.Parse(value, CultureInfo.InvariantCulture).ToMxValue(),
|
|
"float-array" => values.Select(item => float.Parse(item, CultureInfo.InvariantCulture)).ToArray().ToMxValue(),
|
|
"double" => double.Parse(value, CultureInfo.InvariantCulture).ToMxValue(),
|
|
"double-array" => values.Select(item => double.Parse(item, CultureInfo.InvariantCulture)).ToArray().ToMxValue(),
|
|
"string" => value.ToMxValue(),
|
|
"string-array" => values.ToMxValue(),
|
|
"time" or "timestamp" => DateTimeOffset.Parse(value, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal).ToMxValue(),
|
|
"time-array" or "timestamp-array" => values
|
|
.Select(item => DateTimeOffset.Parse(item, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal))
|
|
.ToArray()
|
|
.ToMxValue(),
|
|
_ => throw new ArgumentException($"Unsupported MX value type '{type}'."),
|
|
};
|
|
}
|
|
|
|
private static MxValue ParseTimestampValue(CliArguments arguments)
|
|
{
|
|
string timestamp = arguments.GetOptional("timestamp")
|
|
?? DateTimeOffset.UtcNow.ToString("O", CultureInfo.InvariantCulture);
|
|
|
|
return DateTimeOffset.Parse(
|
|
timestamp,
|
|
CultureInfo.InvariantCulture,
|
|
DateTimeStyles.AssumeUniversal)
|
|
.ToMxValue();
|
|
}
|
|
|
|
private static int WriteUnknownCommand(string command, TextWriter standardError)
|
|
{
|
|
standardError.WriteLine($"Unknown command '{command}'.");
|
|
WriteUsage(standardError);
|
|
return 2;
|
|
}
|
|
|
|
private static bool IsHelp(string value)
|
|
{
|
|
return string.Equals(value, "-h", StringComparison.OrdinalIgnoreCase)
|
|
|| string.Equals(value, "--help", StringComparison.OrdinalIgnoreCase)
|
|
|| string.Equals(value, "help", StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
|
|
private static bool IsKnownGatewayCommand(string command)
|
|
{
|
|
return command is "open-session"
|
|
or "close-session"
|
|
or "ping"
|
|
or "register"
|
|
or "add-item"
|
|
or "advise"
|
|
or "stream-events"
|
|
or "write"
|
|
or "write2"
|
|
or "smoke";
|
|
}
|
|
|
|
private static string CreateCorrelationId()
|
|
{
|
|
return Guid.NewGuid().ToString("N");
|
|
}
|
|
|
|
private static void WriteUsage(TextWriter writer)
|
|
{
|
|
writer.WriteLine("mxgw-dotnet version [--json]");
|
|
writer.WriteLine("mxgw-dotnet ping --session-id <id> [--json]");
|
|
writer.WriteLine("mxgw-dotnet open-session [--client-name <name>] [--json]");
|
|
writer.WriteLine("mxgw-dotnet close-session --session-id <id> [--json]");
|
|
writer.WriteLine("mxgw-dotnet register --session-id <id> --client-name <name> [--json]");
|
|
writer.WriteLine("mxgw-dotnet add-item --session-id <id> --server-handle <n> --item <ref> [--json]");
|
|
writer.WriteLine("mxgw-dotnet advise --session-id <id> --server-handle <n> --item-handle <n> [--json]");
|
|
writer.WriteLine("mxgw-dotnet stream-events --session-id <id> [--max-events <n>] [--json]");
|
|
writer.WriteLine("mxgw-dotnet write --session-id <id> --server-handle <n> --item-handle <n> --type <type> --value <value> [--json]");
|
|
writer.WriteLine("mxgw-dotnet write2 --session-id <id> --server-handle <n> --item-handle <n> --type <type> --value <value> [--timestamp <iso>] [--json]");
|
|
writer.WriteLine("mxgw-dotnet smoke --item <ref> [--value <value> --type <type>] [--json]");
|
|
}
|
|
}
|