105 lines
2.8 KiB
C#
105 lines
2.8 KiB
C#
/*
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* Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using SafeExamBrowser.Communication.Contracts;
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using SafeExamBrowser.Communication.Contracts.Data;
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using SafeExamBrowser.Communication.Contracts.Proxies;
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using SafeExamBrowser.Configuration.Contracts;
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using SafeExamBrowser.Logging.Contracts;
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namespace SafeExamBrowser.Communication.Proxies
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{
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/// <summary>
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/// Default implementation of the <see cref="IServiceProxy"/>, to be used for communication with the service application component.
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/// </summary>
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public class ServiceProxy : BaseProxy, IServiceProxy
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{
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public ServiceProxy(string address, IProxyObjectFactory factory, ILogger logger, Interlocutor owner) : base(address, factory, logger, owner)
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{
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}
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public CommunicationResult RunSystemConfigurationUpdate()
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{
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try
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{
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var response = Send(SimpleMessagePurport.UpdateSystemConfiguration);
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var success = IsAcknowledged(response);
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if (success)
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{
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Logger.Debug("Service acknowledged system configuration update.");
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}
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else
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{
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Logger.Error($"Service did not acknowledge system configuration update! Received: {ToString(response)}.");
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}
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return new CommunicationResult(success);
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}
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catch (Exception e)
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{
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Logger.Error($"Failed to perform '{nameof(RunSystemConfigurationUpdate)}'", e);
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return new CommunicationResult(false);
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}
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}
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public CommunicationResult StartSession(ServiceConfiguration configuration)
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{
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try
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{
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var response = Send(new SessionStartMessage(configuration));
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var success = IsAcknowledged(response);
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if (success)
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{
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Logger.Debug("Service acknowledged session start.");
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}
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else
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{
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Logger.Error($"Service did not acknowledge session start! Received: {ToString(response)}.");
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}
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return new CommunicationResult(success);
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}
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catch (Exception e)
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{
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Logger.Error($"Failed to perform '{nameof(StartSession)}'", e);
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return new CommunicationResult(false);
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}
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}
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public CommunicationResult StopSession(Guid sessionId)
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{
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try
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{
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var response = Send(new SessionStopMessage(sessionId));
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var success = IsAcknowledged(response);
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if (success)
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{
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Logger.Debug("Service acknowledged session stop.");
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}
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else
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{
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Logger.Error($"Service did not acknowledge session stop! Received: {ToString(response)}.");
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}
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return new CommunicationResult(success);
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}
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catch (Exception e)
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{
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Logger.Error($"Failed to perform '{nameof(StopSession)}'", e);
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return new CommunicationResult(false);
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}
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}
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}
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}
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