protected override void OnStart(string[] args)
{
// TODO: 在此处添加代码以启动服务。
EventLog.WriteEntry("索引服务开始运行....");
WriteToLog("尝试运行索引服务...");
string[] imagePathArgs = Environment.GetCommandLineArgs();
string configfile = System.AppDomain.CurrentDomain.BaseDirectory + @"\config.xml";
if (imagePathArgs.Length >= 2)
{
configfile = imagePathArgs[1];
}
WriteToLog("配置文件:\t" + configfile);
try
{
maker = new IndexMaker(configfile);
}
catch (Exception ex)
{
WriteToLog(string.Format("Exception for open config file {0},{1}", configfile, ex.ToString()));
}
this.timer.Enabled = true;
timeStart = DateTime.Now;
WriteToLog("索引服务开始...");
}
private void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (maker == null)
{
string[] imagePathArgs = Environment.GetCommandLineArgs();
string configfile = System.AppDomain.CurrentDomain.BaseDirectory + @"\config.xml";
if (imagePathArgs.Length >= 2)
{
configfile = imagePathArgs[1];
}
try
{
maker = new IndexMaker(configfile);
}
catch (Exception ex)
{
WriteToLog(string.Format("打开文件 {0}时发生异常：{1}",configfile, ex.ToString()));
}
}
DateTime now = DateTime.Now;
TimeSpan span = DateTime.Now - timeStart;
if (!busy)
{
busy = true;
if (maker.CanIndex(span, IndexTypeEnum.Ordinary) || maker.CanIndex(span, IndexTypeEnum.Increment))
{
try
{
WriteToLog("停止搜索服务....");
StopSystemService("Searchd");
WriteToLog("搜索服务停止成功！");
}
catch (Exception ssse)
{
WriteToLog("搜索服务无法停止.原因是:" + ssse.Message);
}
}
if (maker.CanIndex(span, IndexTypeEnum.Ordinary))
{
WriteToLog("尝试开始写主索引......");
try
{
Message msg = maker.ExecuteBoostIndexer(span, IndexTypeEnum.Ordinary);
if (msg.Success)
WriteToLog(msg.ToString());
else
if (msg.ExceptionOccur)
WriteToLog(msg.ToString());
}
catch (Exception exp)
{
WriteToLog("写主索引出错.原因是:" + exp.Message);
EventLog.WriteEntry("写主索引出错.原因是:" + exp.Message);
}
try
{
maker.IndexFile(true);
}
catch (Exception fe)
{
WriteToLog("文件索引出错。原因是:" + fe.StackTrace.ToString());
}
WriteToLog("主索引完成！");
}
if (maker.CanIndex(span, IndexTypeEnum.Increment))
{
try
{
WriteToLog("开始增量索引......");
Message msg = maker.ExecuteBoostIndexer( span, IndexTypeEnum.Increment);
if (msg.Success)
WriteToLog(msg.ToString());
else
if (msg.ExceptionOccur)
WriteToLog(msg.ToString());
WriteToLog("完成增量索引！");
}
catch (Exception exp)
{
WriteToLog("写增量索引时出错.原因是:" + exp.Message);
}
}
if (maker.CanIndex(span, IndexTypeEnum.Ordinary) || maker.CanIndex(span, IndexTypeEnum.Increment))
{
try
{
WriteToLog("开启搜索服务......");
StartSystemService("Searchd");
WriteToLog("搜索服务开始!");
}
catch (Exception ste)
{
WriteToLog("搜索服务无法开始.原因是:" + ste.Message);
}
}
busy = false;
}
else
{
WriteToLog("正在建立索引，请等待.......");
}
}
static void TestIndexMaker()
{
string path = @"d:\Indexer\config.xml";
IndexMaker maker = new IndexMaker(path);
Console.WriteLine("Begin indexing....." + DateTime.Now.ToShortTimeString());
DateTime start = DateTime.Now;
maker.IndexFile(true);
TimeSpan span = DateTime.Now - start;
Console.WriteLine(span.TotalMilliseconds.ToString());
}