/// <summary>
/// 初始化会话信息
/// </summary>
/// <param name="readBuffer">请求的缓存数据</param>
/// <param name="offset">起始位置</param>
/// <param name="length">长度</param>
/// <returns>组包后转化成DataSyncRequestInfo对象</returns>
protected override SocketRequestInfo ProcessMatchedRequest(byte[] readBuffer, int offset, int length)
{
if (length <= CommandRuleProvider.BytesLength)
{
return(NullRequestInfo);
}
var startMarkLength = BeginMark.Length;
var endMarkLength = EndMark.Length;
var requestBody = new byte[readBuffer.Length - offset - endMarkLength - startMarkLength - CommandRuleProvider.BytesLength];
Array.Copy(readBuffer, offset + startMarkLength + CommandRuleProvider.BytesLength, requestBody, 0, requestBody.Length);
var entry = readBuffer[offset + startMarkLength];
var cmdCode = new byte[CommandRuleProvider.BytesLength - 1];
Array.Copy(readBuffer, offset + startMarkLength + 1, cmdCode, 0, cmdCode.Length);
var routeRule = new CommandRule()
{
Command = cmdCode, Entry = entry
};
if (!CommandRuleProvider.Verfy(routeRule))//无效请求，路由错误
{
return(NullRequestInfo);
}
var requestInfo = new SocketRequestInfo(routeRule, CommandRuleProvider, requestBody);
return(requestInfo);
}
/// <summary>
/// 验证路由是否符合规则
/// </summary>
/// <param name="routeRule">路由</param>
/// <param name="enableThrowException">验证失败是否抛出异常，默认为false</param>
/// <returns>验证结果</returns>
public bool Verfy(CommandRule routeRule, bool enableThrowException = false)
{
if (routeRule.Entry == 0)
{
if (enableThrowException)
{
throw new StackOverflowException("命令路由起点不能为0x00！");
}
else
{
return(false);
}
}
if (routeRule.Command.Length != 2)
{
if (enableThrowException)
{
throw new StackOverflowException("命令路由长度无效！");
}
else
{
return(false);
}
}
return(true);
}
public BaseCommand(byte version, byte[] code)
{
Route = new CommandRule()
{
Entry = version,
Command = code
};
CommandRuleProvider = new CommandRuleProvider();
}
/// <summary>
/// 获取命令格式化名称
/// </summary>
/// <param name="routeRule"></param>
/// <returns></returns>
public string GetCommandName(CommandRule routeRule)
{
Verfy(routeRule, true);
return(string.Format(RouteFormatString, routeRule.Entry, routeRule.Command[0], routeRule.Command[1]));
}
