private PingCollectorResult PingHTTP()
{
PingCollectorResult result = new PingCollectorResult();
string lastStep = "[Create WebClientEx]";
result.Success = false;
result.PingTime = -1;
result.ResponseDetails = "";
try
{
lastStep = "[HTTPSSetup]";
if (Address.ToLower().StartsWith("https://"))
{
System.Net.ServicePointManager.Expect100Continue = true;
if (HttpsSecurityProtocol == "Tls")
{
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls;
}
else if (HttpsSecurityProtocol == "Tls11")
{
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls11;
}
else if (HttpsSecurityProtocol == "Tls12")
{
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
}
else
{
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Ssl3;
}
//System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
if (IgnoreInvalidHTTPSCerts)
{
System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return(true); }
}
;
else
{
System.Net.ServicePointManager.ServerCertificateValidationCallback += ValidateRemoteCertificate;
}
}
Stopwatch sw = new Stopwatch();
using (WebClientEx wc = new WebClientEx())
{
wc.Timeout = (TimeOutMS * 1000);
if (HttpProxyServer.Length > 0)
{
System.Net.WebProxy proxy = null;
System.Net.ICredentials credentials = null;
if (HttpProxyUserName.Length == 0)
{
credentials = System.Net.CredentialCache.DefaultNetworkCredentials;
proxy = new System.Net.WebProxy(HttpProxyServer, true, null, credentials);
proxy.UseDefaultCredentials = true;
}
else
{
if (HttpProxyUserName.Contains('\\'))
{
string domain = HttpProxyUserName.Split('\\')[0];
string userName = HttpProxyUserName.Split('\\')[1];
credentials = new System.Net.NetworkCredential(userName, HttpProxyPassword, domain);
}
else
{
credentials = new System.Net.NetworkCredential(HttpProxyUserName, HttpProxyPassword);
}
proxy = new System.Net.WebProxy(HttpProxyServer, true, null, credentials);
proxy.UseDefaultCredentials = false;
proxy.Credentials = credentials;
}
wc.Proxy = proxy;
}
else
{
wc.Proxy = null;
}
wc.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.BypassCache);
if (HttpHeaderUserName.Trim().Length > 0)
{
wc.UseDefaultCredentials = false;
wc.Credentials = new System.Net.NetworkCredential(HttpHeaderUserName, HttpHeaderPassword);
}
else
{
wc.UseDefaultCredentials = true;
}
sw.Start();
lastStep = "[OpenRead]";
using (System.IO.Stream webRequest = wc.OpenRead(Address))
{
int chars = 0;
StringBuilder docContents = new StringBuilder();
lastStep = "[CanRead]";
if (webRequest.CanRead)
{
lastStep = "[ReadByte]";
int readByte = webRequest.ReadByte();
while (readByte != -1) // && chars < 256)
{
chars++;
docContents.Append(Char.ConvertFromUtf32(readByte));
readByte = webRequest.ReadByte();
if (sw.ElapsedMilliseconds > TimeOutMS)
{
break;
}
}
if (chars > 1)
{
result.ResponseContent = docContents.ToString();
result.ResponseDetails = "Characters returned:" + chars.ToString();
}
}
else
{
throw new Exception("Could not read web request stream");
}
}
sw.Stop();
}
result.PingTime = (int)sw.ElapsedMilliseconds;
if (sw.ElapsedMilliseconds < TimeOutMS)
{
result.Success = true;
}
else
{
result.Success = false;
}
}
catch (Exception ex)
{
result.Success = false;
result.PingTime = -1;
if (ex is System.Net.WebException)
{
if (((System.Net.WebException)ex).Response != null && ((System.Net.WebException)ex).Response is System.Net.HttpWebResponse)
{
System.Net.HttpWebResponse httpResp = ((System.Net.HttpWebResponse)((System.Net.WebException)ex).Response);
if (httpResp.StatusCode == System.Net.HttpStatusCode.Unauthorized)
{
result.ResponseDetails = string.Format("The URL '{0}' requires authorization to connect - i.e. Username/Password", Address);
}
else
{
result.ResponseDetails = string.Format("The URL '{0}' returned an HTTP error: {1}", httpResp);
}
}
else
{
result.ResponseDetails = lastStep + " " + ex.Message;
}
}
else
{
if (ex.InnerException != null)
{
result.ResponseDetails = lastStep + " " + ex.InnerException.Message;
}
else
{
result.ResponseDetails = lastStep + " " + ex.Message;
}
}
}
return(result);
}
private PingCollectorResult PingHTTP()
{
PingCollectorResult result = new PingCollectorResult();
string lastStep = "[Create WebClientEx]";
result.Success = false;
result.PingTime = -1;
result.ResponseDetails = "";
try
{
lastStep = "[HTTPSSetup]";
if (Address.ToLower().StartsWith("https://"))
{
System.Net.ServicePointManager.Expect100Continue = true;
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Ssl3;
if (IgnoreInvalidHTTPSCerts)
{
System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return(true); }
}
;
else
{
System.Net.ServicePointManager.ServerCertificateValidationCallback += ValidateRemoteCertificate; // = delegate { return true; };
}
}
Stopwatch sw = new Stopwatch();
using (WebClientEx wc = new WebClientEx())
{
wc.Timeout = (TimeOutMS * 1000);
wc.UseDefaultCredentials = true;
if (HttpProxyServer.Length > 0)
{
wc.Proxy = new System.Net.WebProxy(HttpProxyServer);
wc.Proxy.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials;
}
else
{
wc.Proxy = null;
}
wc.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.BypassCache);
sw.Start();
lastStep = "[OpenRead]";
using (System.IO.Stream webRequest = wc.OpenRead(Address))
{
int chars = 0;
lastStep = "[CanRead]";
if (webRequest.CanRead)
{
lastStep = "[ReadByte]";
int readByte = webRequest.ReadByte();
while (readByte != -1) // && chars < 256)
{
readByte = webRequest.ReadByte();
chars++;
if (sw.ElapsedMilliseconds > TimeOutMS)
{
break;
}
}
result.ResponseDetails = "Characters returned:" + chars.ToString();
}
else
{
throw new Exception("Could not read web request stream");
}
}
sw.Stop();
}
result.PingTime = (int)sw.ElapsedMilliseconds;
if (sw.ElapsedMilliseconds < TimeOutMS)
{
result.Success = true;
}
else
{
result.Success = false;
result.ResponseDetails = "Operation timed out!\r\n" + result.ResponseDetails;
}
}
catch (Exception ex)
{
result.Success = false;
result.PingTime = -1;
if (ex.InnerException != null)
{
result.ResponseDetails = lastStep + " " + ex.InnerException.Message;
}
else
{
result.ResponseDetails = lastStep + " " + ex.Message;
}
}
return(result);
}