private static string SendDingDingMsg(RobotSetting setting, string content)
{
long timestamp = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
string strSign = timestamp + "\n" + setting.Secret;
string sign = string.Empty;
using (var hmacsha256 = new HMACSHA256(Encoding.UTF8.GetBytes(setting.Secret)))
{
byte[] hashmessage = hmacsha256.ComputeHash(Encoding.UTF8.GetBytes(strSign));
sign = HttpUtility.UrlEncode(Convert.ToBase64String(hashmessage), Encoding.UTF8);
}
IDingTalkClient client = new DefaultDingTalkClient($"{setting.SendUrl}×tamp={timestamp}&sign={sign}");
OapiRobotSendRequest.TextDomain text = new OapiRobotSendRequest.TextDomain()
{
Content = content
};
OapiRobotSendRequest request = new OapiRobotSendRequest()
{
Msgtype = "text",
Text_ = text
};
OapiRobotSendResponse response = client.Execute(request);
return(response.Body);
}
public static async ValueTask Send(RobotSetting setting, ILogger <object> logger)
{
if (!File.Exists("IPConfig.txt"))
{
logger.LogError("缺少IPConfig.txt配置文件");
return;
}
setting.IPAddrs = File.ReadAllLines("IPConfig.txt");
setting.InitAddr();
var pingResult = await ToPingStr(setting);
if (!string.IsNullOrEmpty(pingResult))
{
logger.LogInformation(pingResult);
SendDingDingMsg(setting, pingResult);
}
}
public static async Task <string> ToPingStr(RobotSetting setting)
{
int failedNum = 0;
int warningNum = 0;
ConcurrentBag <string> pingBag = new ConcurrentBag <string>();
ConcurrentBag <string> DNSBag = new ConcurrentBag <string>();
await Parallel.ForEachAsync(setting.IpSettings, async (item, cancellationToken) =>
{
switch (await PingIp(item.Url, setting))
{
case var s when s.Success == 0:
Interlocked.Increment(ref failedNum);
pingBag.Add(s.ToString() + "\r\n");
break;
case var s when s.Max > setting.PingWarningTime:
Interlocked.Increment(ref warningNum);
pingBag.Add(s.ToString() + "\r\n");
break;
}
if (setting.IsAnalyzeUrl)//是否解析URL
{
var(result, resStr) = await item.DNSAnalyze();
if (result)
{
DNSBag.Add(resStr);
}
}
});
string pingResult = null;
if (pingBag.Count > 0)
{
pingResult = string.Concat($"ping {setting.PingTimes}次,响应超过{(double)setting.PingWarningTime / 1000}秒的有{warningNum}个,响应失败的有{failedNum}个\r\n", string.Join("", pingBag.AsEnumerable()), "\r\n");
}
if (DNSBag.Count > 0)
{
pingResult += string.Join("", DNSBag.AsEnumerable());
}
return(pingResult);
}
private static async Task <PingResult> PingIp(string host, RobotSetting setting)
{
using (Ping pingSender = new Ping())
{
PingResult result = new PingResult {
IpAddr = host, PingTimes = setting.PingTimes
};
List <long> roundtripTimeList = new List <long>();
for (int i = 0; i < setting.PingTimes; i++)
{
//模拟ping
try
{
PingReply reply = await pingSender.SendPingAsync(host, setting.PingTimeout);
if (reply.Status != IPStatus.Success)
{
result.Failed += 1;
}
else
{
roundtripTimeList.Add(reply.RoundtripTime);
}
}
catch
{
result.Failed += 1;
}
}
result.Success = result.PingTimes - result.Failed;
result.LossRate = ((double)result.Failed / (double)result.PingTimes) * 100;
if (roundtripTimeList.Count > 0)
{
result.Min = roundtripTimeList.Min();
result.Max = roundtripTimeList.Max();
result.Avg = (long)roundtripTimeList.Average();
}
return(result);
}
}
public PingHostedService(ILogger <PingHostedService> logger, IOptions <RobotSetting> option)
{
_logger = logger;
robotSetting = option.Value;
}
