105 lines
2.5 KiB
C#
105 lines
2.5 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace CYQ.Data.Cache
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{
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/*
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协议规范
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redis允许客户端以TCP方式连接，默认6379端口。传输数据都以\r\n结尾。
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请求格式
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*<number of arguments>\r\n$<number of bytes of argument 1>\r\n<argument data>\r\n
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例：*1\r\n$4\r\nINFO\r\n
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响应格式
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1：简单字符串，非二进制安全字符串，一般是状态回复。 +开头，例：+OK\r\n
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2: 错误信息。 -开头， 例：-ERR unknown command 'mush'\r\n
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3: 整型数字。 :开头， 例：:1\r\n
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4：大块回复值，最大512M。 $开头+数据长度。 例：$4\r\mush\r\n
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5：多条回复。 *开头， 例：*2\r\n$3\r\nfoo\r\n$3\r\nbar\r\n
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*/
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/// <summary>
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/// RedisCommand
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/// </summary>
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internal class RedisCommand : IDisposable
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{
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MSocket socket;
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public RedisCommand(MSocket socket, int commandCount, string command)
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{
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this.socket = socket;
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Write(string.Format("*{0}\r\n", commandCount));
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WriteKey(command);
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}
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private void Write(string cmd)
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{
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WriteData(Encoding.UTF8.GetBytes(cmd));
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}
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private void WriteHeader(int bodyLen)
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{
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Write("$" + bodyLen + "\r\n");
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}
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public void WriteKey(string cmd)
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{
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byte[] data = Encoding.UTF8.GetBytes(cmd);
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WriteHeader(data.Length);
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WriteData(data);
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Write("\r\n");
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}
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public void WriteValue(string value)
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{
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WriteKey(value);
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}
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public void WriteValue(byte[] data1)
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{
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WriteValue(data1, null);
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}
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public void WriteValue(byte[] data1, byte[] data2)
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{
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int len = data1.Length;
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if (data2 != null)
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{
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len += data2.Length;
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}
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WriteHeader(len);
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WriteData(data1);
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if (data2 != null)
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{
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WriteData(data2);
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}
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Write("\r\n");
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}
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private void WriteData(byte[] cmd)
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{
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socket.Write(cmd);
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}
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public void Reset(int commandCount, string command)
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{
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Write(string.Format("*{0}\r\n", commandCount));
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WriteKey(command);
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}
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public void Dispose()
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{
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}
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}
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}
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