private void WriteLogFile()
{
try
{
if (list_log.Count > 0)
{
var name_file = string.Format("Tracert-{0:yyMMddHHmmss}-【{1}】.log", DateTime.Now, this.txt_DomainOrIP.Text.Trim());
var path_file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, name_file);
lock (locker)
{
var file = new FileInfo(path_file);
if (file.Exists &&
file.Attributes == FileAttributes.ReadOnly)
{
MessageBox.Show(string.Format("{0} 已存在，且文件只读无法写入日志", name_file));
return;
}
using (var sw = new StreamWriter(path_file, append: true, encoding: Encoding.UTF8))
{
sw.Write(StringExtension.Join(list_log.ToArray(), string.Empty));
sw.Flush();
sw.Dispose();
}
}
SyncContext.Send(this.AppendResult,
string.Format("日志文件：{0}", path_file));
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btn_Begin_Click(object sender, EventArgs e)
{
this.EnableControl(false);
list_log.Clear();
#region 参数校验
var list_err = new List <string>();
var domain = this.txt_DomainOrIP.Text.Trim();
var icmp_param = new ICMP_PARAM {
PingOptions = new PingOptions(1, false)
};
if (IPAddress.TryParse(domain, out icmp_param.IPAddress))
{
SyncContext.Send(this.AppendResult,
string.Format("正在跟踪到 {0} 间的路由：", icmp_param.IPAddress.ToString()));
}
else
{
// 解析域名
var regEx = new Regex("\\d+\\.\\d+\\.\\d+\\.\\d+"); // 最多4级域名
var hostEntry = default(IPHostEntry);
try
{
hostEntry = Dns.GetHostEntry(this.txt_DomainOrIP.Text);
foreach (var ipAddr in hostEntry.AddressList)
{
if (regEx.IsMatch(ipAddr.ToString()))
{
icmp_param.IPAddress = ipAddr;
break;
}
}
if (icmp_param.IPAddress == null)
{
list_err.Add("域名错误或无法解析");
}
else
{
SyncContext.Send(this.AppendResult,
string.Format("正在跟踪到 {0} [{1}] 间的路由：", domain, icmp_param.IPAddress.ToString()));
}
}
catch (Exception ex)
{
list_err.Add(ex.Message);
}
}
if (list_err.Count > 0)
{
this.AppendResult(StringExtension.Join(list_err.ToArray(), ";"));
WriteLogFile();
this.EnableControl(true);
return;
}
#endregion 参数校验
thread = new Thread(new ParameterizedThreadStart(Icmp_Ping))
{
IsBackground = true
};
thread.Start(icmp_param);
}