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241 lines
10 KiB
241 lines
10 KiB
11 months ago
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#if !BESTHTTP_DISABLE_SIGNALR_CORE
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using System;
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using UnityEngine;
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using BestHTTP.SignalRCore;
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using BestHTTP.SignalRCore.Encoders;
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using UnityEngine.UI;
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using BestHTTP.Examples.Helpers;
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#if CSHARP_7_OR_LATER
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using System.Threading.Tasks;
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#endif
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namespace BestHTTP.Examples
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{
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// Server side of this example can be found here:
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// https://github.com/Benedicht/BestHTTP_DemoSite/blob/master/BestHTTP_DemoSite/Hubs/TestHub.cs
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public class AsyncTestHubSample : BestHTTP.Examples.Helpers.SampleBase
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{
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#pragma warning disable 0649
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#pragma warning disable 0414
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[SerializeField]
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private string _path = "/TestHub";
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[SerializeField]
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private ScrollRect _scrollRect;
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[SerializeField]
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private RectTransform _contentRoot;
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[SerializeField]
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private TextListItem _listItemPrefab;
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[SerializeField]
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private int _maxListItemEntries = 100;
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[SerializeField]
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private Button _connectButton;
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[SerializeField]
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private Button _closeButton;
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#pragma warning restore
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// Instance of the HubConnection
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HubConnection hub;
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protected override void Start()
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{
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base.Start();
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#if !CSHARP_7_OR_LATER
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AddText("<color=red>This sample can work only when at least c# 7.3 is supported!</color>");
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SetButtons(false, false);
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#else
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SetButtons(true, false);
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#endif
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}
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#if CSHARP_7_OR_LATER
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async void OnDestroy()
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{
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await hub?.CloseAsync();
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}
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#endif
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/// <summary>
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/// GUI button callback
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/// </summary>
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public
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#if CSHARP_7_OR_LATER
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async
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#endif
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void OnConnectButton()
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{
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#if CSHARP_7_OR_LATER
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#if BESTHTTP_SIGNALR_CORE_ENABLE_MESSAGEPACK_CSHARP
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try
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{
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MessagePack.Resolvers.StaticCompositeResolver.Instance.Register(
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MessagePack.Resolvers.DynamicEnumAsStringResolver.Instance,
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MessagePack.Unity.UnityResolver.Instance,
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//MessagePack.Unity.Extension.UnityBlitWithPrimitiveArrayResolver.Instance,
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//MessagePack.Resolvers.StandardResolver.Instance,
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MessagePack.Resolvers.ContractlessStandardResolver.Instance
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);
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var options = MessagePack.MessagePackSerializerOptions.Standard.WithResolver(MessagePack.Resolvers.StaticCompositeResolver.Instance);
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MessagePack.MessagePackSerializer.DefaultOptions = options;
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}
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catch
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{ }
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#endif
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IProtocol protocol = null;
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#if BESTHTTP_SIGNALR_CORE_ENABLE_MESSAGEPACK_CSHARP
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protocol = new MessagePackCSharpProtocol();
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#elif BESTHTTP_SIGNALR_CORE_ENABLE_GAMEDEVWARE_MESSAGEPACK
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protocol = new MessagePackProtocol();
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#else
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protocol = new JsonProtocol(new LitJsonEncoder());
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#endif
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// Crete the HubConnection
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hub = new HubConnection(new Uri(this.sampleSelector.BaseURL + this._path), protocol);
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// Subscribe to hub events
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hub.OnError += Hub_OnError;
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hub.OnTransportEvent += (hub, transport, ev) => AddText(string.Format("Transport(<color=green>{0}</color>) event: <color=green>{1}</color>", transport.TransportType, ev));
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// Set up server callable functions
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hub.On("Send", (string arg) => AddText(string.Format("On '<color=green>Send</color>': '<color=yellow>{0}</color>'", arg)).AddLeftPadding(20));
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hub.On<Person>("Person", (person) => AddText(string.Format("On '<color=green>Person</color>': '<color=yellow>{0}</color>'", person)).AddLeftPadding(20));
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hub.On<Person, Person>("TwoPersons", (person1, person2) => AddText(string.Format("On '<color=green>TwoPersons</color>': '<color=yellow>{0}</color>', '<color=yellow>{1}</color>'", person1, person2)).AddLeftPadding(20));
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AddText("StartConnect called");
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SetButtons(false, false);
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// And finally start to connect to the server
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await hub.ConnectAsync();
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SetButtons(false, true);
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AddText(string.Format("Hub Connected with <color=green>{0}</color> transport using the <color=green>{1}</color> encoder.", hub.Transport.TransportType.ToString(), hub.Protocol.Name));
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// Call a server function with a string param. We expect no return value.
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await hub.SendAsync("Send", "my message");
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// Call a parameterless function. We expect a string return value.
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try
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{
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string result = await hub.InvokeAsync<string>("NoParam");
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AddText(string.Format("'<color=green>NoParam</color>' returned: '<color=yellow>{0}</color>'", result))
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.AddLeftPadding(20);
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}
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catch (Exception ex)
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{
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AddText(string.Format("'<color=green>NoParam</color>' error: '<color=red>{0}</color>'", ex.Message)).AddLeftPadding(20);
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}
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// Call a function on the server to add two numbers. OnSuccess will be called with the result and OnError if there's an error.
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var addResult = await hub.InvokeAsync<int>("Add", 10, 20);
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AddText(string.Format("'<color=green>Add(10, 20)</color>' returned: '<color=yellow>{0}</color>'", addResult)).AddLeftPadding(20);
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var nullabelTestResult = await hub.InvokeAsync<int?>("NullableTest", 10);
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AddText(string.Format("'<color=green>NullableTest(10)</color>' returned: '<color=yellow>{0}</color>'", nullabelTestResult)).AddLeftPadding(20);
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// Call a function that will return a Person object constructed from the function's parameters.
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var getPersonResult = await hub.InvokeAsync<Person>("GetPerson", "Mr. Smith", 26);
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AddText(string.Format("'<color=green>GetPerson(\"Mr. Smith\", 26)</color>' returned: '<color=yellow>{0}</color>'", getPersonResult)).AddLeftPadding(20);
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// To test errors/exceptions this call always throws an exception on the server side resulting in an OnError call.
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// OnError expected here!
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try
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{
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var singleResultFailureResult = await hub.InvokeAsync<int>("SingleResultFailure", 10, 20);
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AddText(string.Format("'<color=green>SingleResultFailure(10, 20)</color>' returned: '<color=yellow>{0}</color>'", singleResultFailureResult)).AddLeftPadding(20);
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}
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catch (Exception ex)
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{
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AddText(string.Format("'<color=green>SingleResultFailure(10, 20)</color>' error: '<color=red>{0}</color>'", ex.Message)).AddLeftPadding(20);
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}
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// This call demonstrates IEnumerable<> functions, result will be the yielded numbers.
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var batchedResult = await hub.InvokeAsync<int[]>("Batched", 10);
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AddText(string.Format("'<color=green>Batched(10)</color>' returned items: '<color=yellow>{0}</color>'", batchedResult.Length)).AddLeftPadding(20);
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// OnItem is called for a streaming request for every items returned by the server. OnSuccess will still be called with all the items.
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hub.GetDownStreamController<int>("ObservableCounter", 10, 1000)
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.OnItem(result => AddText(string.Format("'<color=green>ObservableCounter(10, 1000)</color>' OnItem: '<color=yellow>{0}</color>'", result)).AddLeftPadding(20))
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.OnSuccess(result => AddText("'<color=green>ObservableCounter(10, 1000)</color>' OnSuccess.").AddLeftPadding(20))
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.OnError(error => AddText(string.Format("'<color=green>ObservableCounter(10, 1000)</color>' error: '<color=red>{0}</color>'", error)).AddLeftPadding(20));
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// A stream request can be cancelled any time.
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var controller = hub.GetDownStreamController<int>("ChannelCounter", 10, 1000);
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controller.OnItem(result => AddText(string.Format("'<color=green>ChannelCounter(10, 1000)</color>' OnItem: '<color=yellow>{0}</color>'", result)).AddLeftPadding(20))
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.OnSuccess(result => AddText("'<color=green>ChannelCounter(10, 1000)</color>' OnSuccess.").AddLeftPadding(20))
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.OnError(error => AddText(string.Format("'<color=green>ChannelCounter(10, 1000)</color>' error: '<color=red>{0}</color>'", error)).AddLeftPadding(20));
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// a stream can be cancelled by calling the controller's Cancel method
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controller.Cancel();
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// This call will stream strongly typed objects
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hub.GetDownStreamController<Person>("GetRandomPersons", 20, 2000)
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.OnItem(result => AddText(string.Format("'<color=green>GetRandomPersons(20, 1000)</color>' OnItem: '<color=yellow>{0}</color>'", result)).AddLeftPadding(20))
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.OnSuccess(result => AddText("'<color=green>GetRandomPersons(20, 1000)</color>' OnSuccess.").AddLeftPadding(20));
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#endif
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}
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/// <summary>
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/// GUI button callback
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/// </summary>
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public
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#if CSHARP_7_OR_LATER
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async
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#endif
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void OnCloseButton()
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{
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#if CSHARP_7_OR_LATER
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if (this.hub != null)
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{
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AddText("Calling CloseAsync");
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SetButtons(false, false);
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await this.hub.CloseAsync();
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SetButtons(true, false);
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AddText("Hub Closed");
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}
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#endif
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}
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/// <summary>
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/// Called when an unrecoverable error happen. After this event the hub will not send or receive any messages.
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/// </summary>
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private void Hub_OnError(HubConnection hub, string error)
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{
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SetButtons(true, false);
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AddText(string.Format("Hub Error: <color=red>{0}</color>", error));
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}
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private void SetButtons(bool connect, bool close)
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{
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if (this._connectButton != null)
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this._connectButton.interactable = connect;
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if (this._closeButton != null)
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this._closeButton.interactable = close;
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}
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private TextListItem AddText(string text)
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{
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return GUIHelper.AddText(this._listItemPrefab, this._contentRoot, text, this._maxListItemEntries, this._scrollRect);
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}
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}
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}
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#endif
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