async Task <double> PerformOneAsync(IPAddress ipAddress, int count, int timeout, int interval, CancellationToken cancel = default)
{
await LocalNet.SendPingAsync(ipAddress, timeout : timeout, pingCancel : cancel);
int numOk = 0;
for (int i = 0; i < count; i++)
{
cancel.ThrowIfCancellationRequested();
var result = await LocalNet.SendPingAsync(ipAddress, timeout : timeout, pingCancel : cancel);
if (result.Ok)
{
numOk++;
}
if (interval >= 1)
{
await cancel._WaitUntilCanceledAsync(interval);
}
}
return((double)(count - numOk) / (double)count);
}
// ホストの登録
public async Task RegisterHostAsync(CactiHost h, CancellationToken cancel = default)
{
// 接続チェック
bool pingOk = false;
for (int i = 0; i < CactiConsts.PingRetry; i++)
{
var r = await LocalNet.SendPingAsync(h.Hostname, pingCancel : cancel, dnsCancel : cancel, pingTimeout : CactiConsts.PingTimeout, dnsTimeout : CactiConsts.DnsTimeout);
if (r.Ok)
{
pingOk = true;
break;
}
}
if (pingOk == false)
{
throw new CoresException($"Ping to {h.Hostname} error.");
}
string url = GenerateUrl("host.php");
var ret2 = await this.Http.SimpleQueryAsync(WebMethods.POST, url, cancel, null,
("action", "save"),
("__csrf_magic", this.Magic),
("description", h.Description),
("hostname", h.Hostname),
("host_template_id", "9"),
("device_threads", "1"),
("availability_method", "2"),
("ping_method", "2"),
("ping_port", "23"),
("ping_timeout", "400"),
("ping_retries", "1"),
("snmp_version", "2"),
("snmp_community", "public"),
("snmp_username", "admin"),
("snmp_password", "pass"),
("snmp_auth_protocol", "MD5"),
("snmp_priv_protocol", "DES"),
("snmp_port", "161"),
("snmp_timeout", "500"),
("max_oids", "0"),
("notes", ""),
("id", "0"),
("_host_template_id", "0"),
("Create", "Create"),
("save_component_host", "1"));
string body = ret2.ToString();
if (body._InStr("Save Successful") == false)
{
throw new CoresException($"Register host {h._ObjectToJson(compact: true)} failed.");
}
}
protected override async Task GetValueAsync(SortedDictionary <string, string> ret, RefInt nextPollingInterval, CancellationToken cancel = default)
{
SnmpWorkSettings settings = Host.Settings;
if (settings.PingTargets._IsSamei("none") || settings.PingTargets._IsSamei("null"))
{
return;
}
string hopsStr = "Hops";
if (settings.HopsToTTL)
{
hopsStr = "TTL";
}
string[] pingTargets = settings.PingTargets._Split(StringSplitOptions.RemoveEmptyEntries, ",");
numPerform++;
foreach (string pingTarget in pingTargets)
{
cancel.ThrowIfCancellationRequested();
ParseTargetString(pingTarget, out string hostname, out string alias);
bool ok = false;
try
{
IPAddress ipAddress = await LocalNet.GetIpAsync(hostname, cancel : cancel);
if (FirstPing.IsFirstCall())
{
// JIT 対策
try
{
await LocalNet.SendPingAsync(ipAddress, pingCancel : cancel);
}
catch { }
}
int numTry = 3;
if (numPerform >= 2)
{
// SpeedTest が動作中の場合は SpeedTest が完了するまで待機する
await TaskUtil.AwaitWithPollAsync(Timeout.Infinite, 10, () => !SpeedTestClient.IsInProgress, cancel);
// 試行回数を指定する
numTry = Math.Min(Math.Max(settings.PingNumTry, 1), 100);
}
SendPingReply reply = await LocalNet.SendPingAndGetBestResultAsync(ipAddress, pingCancel : cancel, numTry : numTry);
if (reply.Ok)
{
double rtt = reply.RttDouble;
rtt = Math.Min(rtt, 2.0);
int ttl = reply.Ttl;
bool ttl_ok = false;
if (ttl == 0)
{
// Use ping command to get TTL
try
{
var result = await EasyExec.ExecAsync(ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6?Consts.LinuxCommands.Ping6 : Consts.LinuxCommands.Ping,
$"-W 1 -c 1 {ipAddress.ToString()}",
cancel : cancel,
throwOnErrorExitCode : false);
string[] lines = result.OutputStr._GetLines(true);
foreach (string line in lines)
{
OneLineParams param = new OneLineParams(line, ' ', false);
string ttlStr = param._GetStrFirst("ttl");
if (ttlStr._IsFilled())
{
ttl = ttlStr._ToInt();
ttl_ok = true;
break;
}
}
}
catch (Exception ex)
{
ex._Debug();
}
}
else
{
ttl_ok = true;
}
ret.TryAdd($"Time - {alias}", (rtt * 1000.0).ToString("F3"));
if (ttl > 128)
{
ttl -= 128;
}
else if (ttl > 64)
{
ttl -= 64;
}
int hops = 64 - ttl;
if (ttl_ok == false)
{
hops = 0;
}
hops._SetMax(0);
hops._SetMin(64);
ret.TryAdd($"{hopsStr} - {alias}", hops.ToString());
ok = true;
}
}
catch (Exception ex)
{
ex._Debug();
}
if (ok == false)
{
ret.TryAdd($"Time - {alias}", "");
ret.TryAdd($"{hopsStr} - {alias}", "0");
}
}
}