/// <summary>
/// 单次异步Ping完成事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Ping_PingCompleted(object sender, PingCompletedEventArgs e)
{
// 实例化新节点
Hop newHop = new Hop();
newHop.Distance = nowDist.ToString();
newHop.IP = e.Reply.Address.ToString();
newHop.Delay = e.Reply.RoundtripTime.ToString();
SetHopDetails(newHop);
HopList.Add(newHop);
// 设置列表显示
TraceGrid.ItemsSource = HopList;
// 地图页面新增节点数据
if (newHop.Lon != null &&
newHop.Lat != null)
{
traceMap.InvokeScript("AddNode", new object[] { newHop.Lon, newHop.Lat });
}
// 尚未跟踪到目标主机
if (e.Reply.Address.ToString().Equals(DestIP) != true)
{
++nowDist;
Ping ping = new Ping();
PingOptions options = new PingOptions(nowDist, true);
ping.PingCompleted += Ping_PingCompleted;
byte[] buf = new byte[256];
ping.SendAsync(DestIP, 1000, buf, options, null);
}
else
{
EndTraceRT(null);
}
}
/// <summary>
/// 获取新的字符串行动作
/// </summary>
/// <param name="result"></param>
private void ReadCMDLineAction(string line)
{
// 跳数(距离)
int dist = 0;
string[] items = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (items.Length >= 5 && Int32.TryParse(items[0], out dist) == true)
{
// 时延数量
int num_delay = 0;
// 实例化新节点
Hop newHop = new Hop();
newHop.Distance = items[0];
int index_items = 1;
for (; index_items < items.Length && num_delay < 3; index_items++)
{
if (items[index_items].Equals("ms") == false &&
items[index_items].Equals("毫秒") == false)
{
newHop.Delay += items[index_items];
if (++num_delay != 3)
{
newHop.Delay += " / ";
}
}
}
while (items[index_items].Equals("ms") == true ||
items[index_items].Equals("毫秒") == true)
{
++index_items;
}
newHop.IP = items[index_items];
SetHopDetails(newHop);
HopList.Add(newHop);
TraceGrid.ItemsSource = HopList;
if (newHop.Lon != null &&
newHop.Lat != null)
{
traceMap.InvokeScript("AddNode", new object[] { newHop.Lon, newHop.Lat });
}
}
}
/// <summary>
/// 获取单跳的详细数据
/// </summary>
/// <param name="node">单跳节点</param>
private void SetHopDetails(Hop node)
{
WebRequest request = WebRequest.Create("http://ip-api.com/line/" + node.IP + "?lang=zh-CN");
WebResponse response = request.GetResponse();
Stream s = response.GetResponseStream();
StreamReader sr = new StreamReader(s);
// IP地址数据是否有效
string str_status = sr.ReadLine();
if (str_status.Equals("success") == true)
{
// 设置地理位置
node.Geo = sr.ReadLine();
// 国家编号
sr.ReadLine();
// 区域编号
sr.ReadLine();
// 设置地理位置(区域名称)
node.Geo += " " + sr.ReadLine();
// 设置地理位置(城市名称)
node.Geo += " " + sr.ReadLine();
// 邮政编码
sr.ReadLine();
// 设置纬度
node.Lat = sr.ReadLine();
// 设置经度
node.Lon = sr.ReadLine();
// 时区
sr.ReadLine();
// 设置互联网服务提供商
node.ISP = sr.ReadLine();
// 设置组织机构
node.Org = sr.ReadLine();
// 设置自治系统
node.AS = sr.ReadLine();
}
sr.Dispose();
sr.Close();
s.Dispose();
s.Close();
}