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2025-12-11 09:17:16 +08:00
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Common;
using Domain;
using RCUHost.Protocols;
using Dao;
using CommonEntity;
namespace RCUHost.Implement
{
/// <summary>
/// 发送命令给rcu获取密钥
/// </summary>
public class HostSecretReceiver : GenericReceiverBase, IHostSecretReceiver
{
private static log4net.ILog logger = log4net.LogManager.GetLogger(typeof(HostSecretReceiver));
public IHostRepository HostRepository { get; set; }
public void Send(Host host)
{
var data = CreateHostSecretPacket(host);
Send(data, host.HostNumber, host.MAC);// host.IP, host.Port);
}
public byte[] CreateHostSecretPacket(Host host)
{
SystemHeader systemHeader = CreateSystemHeader();
int size = StructConverter.SizeOf(systemHeader) + 2;
systemHeader.FrameLength = (ushort)size;
using (MemoryStream stream = new MemoryStream(size))
{
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.Write(StructConverter.StructToBytes(systemHeader));
writer.Write(new byte[] { 0, 0 });
return stream.ToArray();
}
}
}
public override void Process(ReceiverContext context)
{
//base.Process(context);
string HostNumberOnly = context.SystemHeader.Value.HostNumber.ToString();
Host host = null;
string Key = CacheKey.HostInfo_Key_HostNumber + "_" + HostNumberOnly;
object obj = MemoryCacheHelper.Get(Key);
if (obj != null)
{
host = obj as Host;
}
else
{
host = HostRepository.GetByHostNumber(context.SystemHeader.Value.HostNumber.ToString());
MemoryCacheHelper.SlideSet(Key,host);
}
if (host != null)
{
try
{
int offset = StructConverter.SizeOf(context.SystemHeader);
int length = context.Data.Length - offset - 2;
using (MemoryStream stream = new MemoryStream(context.Data, offset, length))
{
using (BinaryReader reader = new BinaryReader(stream))
{
reader.ReadBytes(4);//string hostVersion = String.Join(".", reader.ReadBytes(4));
reader.ReadBytes(6);//string mac = BitConverter.ToString(reader.ReadBytes(6));
string hostSecret = System.Text.Encoding.UTF8.GetString(reader.ReadBytes(32));
host.HostSecret = hostSecret;
HostRepository.Update(host);
}
}
}
catch (Exception ex)
{
logger.Error(context.RemoteEndPoint.Address.ToString() + ":" + context.RemoteEndPoint.Port.ToString() + ":" + Tools.ByteToString(context.Data));
logger.Error("解析【" + host.HostNumber + "】客房主机密钥出错。", ex);
}
}
}
public override CommandType CommandType
{
get { return CommandType.GetHostSecret; }
}
}
}