91 lines
2.6 KiB
C#
91 lines
2.6 KiB
C#
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/*******************************************************************************
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Copyright © 2015-2022 PICO Technology Co., Ltd.All rights reserved.
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NOTICE：All information contained herein is, and remains the property of
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PICO Technology Co., Ltd. The intellectual and technical concepts
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contained herein are proprietary to PICO Technology Co., Ltd. and may be
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covered by patents, patents in process, and are protected by trade secret or
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copyright law. Dissemination of this information or reproduction of this
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material is strictly forbidden unless prior written permission is obtained from
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PICO Technology Co., Ltd.
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*******************************************************************************/
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namespace Pico.Platform.Models
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{
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using System;
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using System.Runtime.InteropServices;
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/// <summary>
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/// The information about the message packet.
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/// </summary>
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public sealed class Packet : IDisposable
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{
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/// The size of the message packet.
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private readonly ulong size;
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/// The handler of the message packet.
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private readonly IntPtr handler;
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public Packet(IntPtr handler)
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{
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this.handler = handler;
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this.size = (ulong) CLIB.ppf_Packet_GetSize(handler);
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}
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/// <summary>Get message content.</summary>
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public ulong GetBytes(byte[] dest)
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{
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if ((ulong) dest.LongLength >= size)
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{
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Marshal.Copy(CLIB.ppf_Packet_GetBytes(handler), dest, 0, (int) size);
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return size;
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}
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else
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{
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throw new ArgumentException($"Dest array can't hold {size} bytes");
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}
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}
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/// <summary>Get message content.</summary>
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public string GetBytes()
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{
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if (size > 0)
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{
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byte[] bytes = new byte[size];
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Marshal.Copy(CLIB.ppf_Packet_GetBytes(handler), bytes, 0, (int) size);
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return System.Text.Encoding.UTF8.GetString(bytes);
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}
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else
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{
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return string.Empty;
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}
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}
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/// <summary>Get the ID of the message sender.</summary>
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public string SenderId
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{
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get { return CLIB.ppf_Packet_GetSenderID(handler); }
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}
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/// <summary>Get message size.</summary>
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public ulong Size
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{
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get { return size; }
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}
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#region IDisposable
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~Packet()
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{
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Dispose();
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}
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public void Dispose()
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{
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CLIB.ppf_Packet_Free(handler);
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GC.SuppressFinalize(this);
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}
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#endregion
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}
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}
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