// Copyright Keysight Technologies 2012-2019
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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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using OpenTap.Diagnostic;
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using System.Collections.Generic;
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namespace OpenTap
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{
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/// <summary>
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/// A class that listens to trace messages and raises an event when a message occurs.
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/// </summary>
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public class EventTraceListener : TraceListener
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{
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/// <summary>
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/// Delegate for the log messages.
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/// </summary>
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/// <param name="Events"></param>
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public delegate void LogMessageDelegate(IEnumerable<Event> Events);
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/// <summary>
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/// Event for when messages are logged.
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/// </summary>
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public event LogMessageDelegate MessageLogged;
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/// <summary>
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/// Invokes the MessageLogged event with the new events.
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/// </summary>
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/// <param name="events"></param>
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public override void TraceEvents(IEnumerable<Event> events)
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{
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if (MessageLogged != null)
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MessageLogged(events);
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}
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/// <summary>
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/// Invokes the MessageLogged event with the new event from the legacy TraceEvent system.
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/// </summary>
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/// <param name="source"></param>
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/// <param name="eventType"></param>
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/// <param name="id"></param>
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/// <param name="text"></param>
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public override void TraceEvent(string source, LogEventType eventType, int id, string text)
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{
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Event @event = new Event(0, (int)eventType, text, source, 0);
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using (EventCollection eventCollection = new EventCollection(new Event[] { @event }))
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{
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MessageLogged.Invoke(eventCollection);
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}
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}
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/// <summary>Constructor of the EventTraceListener.</summary>
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public EventTraceListener()
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{
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}
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}
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}
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