private void ux_buttonTestServer_Click(object sender, EventArgs e)
{
System.Web.Services.Discovery.DiscoveryClientProtocol dcp = new System.Web.Services.Discovery.DiscoveryClientProtocol();
dcp.Timeout = 1000;
dcp.AllowAutoRedirect = true;
// Test the address for the GRIN-Global web services...
try
{
string serverAddress = "http://" + ux_textboxServerName.Text.Trim() + "/GRINGlobal/GUI.asmx";
dcp.Discover(serverAddress);
MessageBox.Show("Successfully connected!");
dcp.Dispose();
}
catch
{
MessageBox.Show("Connection attempt failed");
dcp.Dispose();
}
}
private void SearchNetworkForWebServers(Dictionary<string, string> WebServiceURLs)
{
Cursor.Current = Cursors.WaitCursor;
string origMessage = ux_textboxLoginMessage.Text;
ux_textboxLoginMessage.Text = "Scanning...";
ux_progressbarScanning.Step = 1;
ux_progressbarScanning.Minimum = 0;
ux_progressbarScanning.Maximum = 255;
ux_progressbarScanning.Value = 1;
ux_progressbarScanning.Show();
System.Web.Services.Discovery.DiscoveryClientProtocol dcp = new System.Web.Services.Discovery.DiscoveryClientProtocol();
dcp.Timeout = 1000;
// Search for active servers hosting the GRIN-Global web services...
// Try the localhost first...
try
{
ux_textboxLoginMessage.Text = "Scanning localhost...";
ux_textboxLoginMessage.Update();
dcp.Discover("http://localhost/GRINGlobal/GUI.asmx");
WebServiceURLs.Add("localhost", "http://localhost/GRINGlobal/GUI.asmx");
}
catch
{
// Silently fail...
}
// Now scan the class D subnet for all available ethernet adapters...
System.Net.NetworkInformation.NetworkInterface[] adapters = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces();
foreach (System.Net.NetworkInformation.NetworkInterface adapter in adapters)
{
if (adapter.NetworkInterfaceType == System.Net.NetworkInformation.NetworkInterfaceType.Ethernet &&
adapter.OperationalStatus == System.Net.NetworkInformation.OperationalStatus.Up)
{
System.Net.NetworkInformation.IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
System.Net.NetworkInformation.UnicastIPAddressInformationCollection adapterAddresses = adapterProperties.UnicastAddresses;
foreach (System.Net.NetworkInformation.IPAddressInformation addressInfo in adapterAddresses)
{
DateTime dtStart = DateTime.Now;
string addrPrefix = addressInfo.Address.ToString().Substring(0, addressInfo.Address.ToString().LastIndexOf('.'));
string ipAddress = addrPrefix + ".1";
string webServiceURL = "http://" + ipAddress + "/GRINGlobal/GUI.asmx";
string serverName = System.Net.Dns.GetHostEntry(ipAddress).HostName;
System.Web.Services.Discovery.DiscoveryDocument dd = new System.Web.Services.Discovery.DiscoveryDocument();
for (int addrSuffix = 1; addrSuffix < 254; addrSuffix++)
{
try
{
// Now see if we can find a GG server...
ipAddress = addrPrefix + "." + addrSuffix;
// Display what IP address is being scanned...
ux_textboxLoginMessage.Text = "Scanning " + ipAddress + "...";
ux_textboxLoginMessage.Update();
// Attempt to discover the GG specific web services using the IP address...
dd = dcp.Discover("http://" + ipAddress + "/GRINGlobal/GUI.asmx");
// If we made it here, we found a webservice so now attempt to resolve the ipAddress to a friendlier host name
// Why do this now? Because DNS lookup can be expensive so only do it when really neccessary
// (BTW... unresolved DNS lookups will return the ipAddress)...
serverName = System.Net.Dns.GetHostEntry(ipAddress).HostName;
webServiceURL = "http://" + serverName + "/GRINGlobal/GUI.asmx";
// Attempt to discover the GG specific web services (again - this time with a DNS resolved computer name)
// Why do this? Because there is a slight possiblity the DNS lookup returned bogus data...
dd = dcp.Discover(webServiceURL);
for (int i = 0; i < dd.References.Count; i++)
{
// There are many different references in a discovery document - we only want the SOAP Bindings...
if (dd.References[i].GetType() == typeof(System.Web.Services.Discovery.SoapBinding))
{
System.Web.Services.Discovery.SoapBinding wsb = (System.Web.Services.Discovery.SoapBinding)dd.References[i];
// The bad news is that the references have duplicates bindings (one for each protocol), but the good
// news is that since the WebServiceURLs object is a dictionary... it will create and execption if the same Key entry is
// attempted to be added twice (net result is that it will silently fail in the catch block)...
WebServiceURLs.Add(serverName, wsb.Address);
}
}
}
catch
{
// Silently fail...
}
ux_progressbarScanning.PerformStep();
ux_progressbarScanning.Update();
// Check to see if we should bail out (at user request)...
Application.DoEvents();
}
}
}
}
ux_progressbarScanning.Hide();
ux_textboxLoginMessage.Text = origMessage;
}
private void SearchNetworkForWebServers(Dictionary <string, string> WebServiceURLs)
{
Cursor.Current = Cursors.WaitCursor;
string origMessage = ux_textboxLoginMessage.Text;
ux_textboxLoginMessage.Text = "Scanning...";
ux_progressbarScanning.Step = 1;
ux_progressbarScanning.Minimum = 0;
ux_progressbarScanning.Maximum = 255;
ux_progressbarScanning.Value = 1;
ux_progressbarScanning.Show();
System.Web.Services.Discovery.DiscoveryClientProtocol dcp = new System.Web.Services.Discovery.DiscoveryClientProtocol();
dcp.Timeout = 1000;
// Search for active servers hosting the GRIN-Global web services...
// Try the localhost first...
try
{
ux_textboxLoginMessage.Text = "Scanning localhost...";
ux_textboxLoginMessage.Update();
dcp.Discover("http://localhost/GRINGlobal/GUI.asmx");
WebServiceURLs.Add("localhost", "http://localhost/GRINGlobal/GUI.asmx");
}
catch
{
// Silently fail...
}
// Now scan the class D subnet for all available ethernet adapters...
System.Net.NetworkInformation.NetworkInterface[] adapters = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces();
foreach (System.Net.NetworkInformation.NetworkInterface adapter in adapters)
{
if (adapter.NetworkInterfaceType == System.Net.NetworkInformation.NetworkInterfaceType.Ethernet &&
adapter.OperationalStatus == System.Net.NetworkInformation.OperationalStatus.Up)
{
System.Net.NetworkInformation.IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
System.Net.NetworkInformation.UnicastIPAddressInformationCollection adapterAddresses = adapterProperties.UnicastAddresses;
foreach (System.Net.NetworkInformation.IPAddressInformation addressInfo in adapterAddresses)
{
DateTime dtStart = DateTime.Now;
string addrPrefix = addressInfo.Address.ToString().Substring(0, addressInfo.Address.ToString().LastIndexOf('.'));
string ipAddress = addrPrefix + ".1";
string webServiceURL = "http://" + ipAddress + "/GRINGlobal/GUI.asmx";
string serverName = System.Net.Dns.GetHostEntry(ipAddress).HostName;
System.Web.Services.Discovery.DiscoveryDocument dd = new System.Web.Services.Discovery.DiscoveryDocument();
for (int addrSuffix = 1; addrSuffix < 254; addrSuffix++)
{
try
{
// Now see if we can find a GG server...
ipAddress = addrPrefix + "." + addrSuffix;
// Display what IP address is being scanned...
ux_textboxLoginMessage.Text = "Scanning " + ipAddress + "...";
ux_textboxLoginMessage.Update();
// Attempt to discover the GG specific web services using the IP address...
dd = dcp.Discover("http://" + ipAddress + "/GRINGlobal/GUI.asmx");
// If we made it here, we found a webservice so now attempt to resolve the ipAddress to a friendlier host name
// Why do this now? Because DNS lookup can be expensive so only do it when really neccessary
// (BTW... unresolved DNS lookups will return the ipAddress)...
serverName = System.Net.Dns.GetHostEntry(ipAddress).HostName;
webServiceURL = "http://" + serverName + "/GRINGlobal/GUI.asmx";
// Attempt to discover the GG specific web services (again - this time with a DNS resolved computer name)
// Why do this? Because there is a slight possiblity the DNS lookup returned bogus data...
dd = dcp.Discover(webServiceURL);
for (int i = 0; i < dd.References.Count; i++)
{
// There are many different references in a discovery document - we only want the SOAP Bindings...
if (dd.References[i].GetType() == typeof(System.Web.Services.Discovery.SoapBinding))
{
System.Web.Services.Discovery.SoapBinding wsb = (System.Web.Services.Discovery.SoapBinding)dd.References[i];
// The bad news is that the references have duplicates bindings (one for each protocol), but the good
// news is that since the WebServiceURLs object is a dictionary... it will create and execption if the same Key entry is
// attempted to be added twice (net result is that it will silently fail in the catch block)...
WebServiceURLs.Add(serverName, wsb.Address);
}
}
}
catch
{
// Silently fail...
}
ux_progressbarScanning.PerformStep();
ux_progressbarScanning.Update();
// Check to see if we should bail out (at user request)...
Application.DoEvents();
}
}
}
}
ux_progressbarScanning.Hide();
ux_textboxLoginMessage.Text = origMessage;
}
private void ux_buttonTestServer_Click(object sender, EventArgs e)
{
System.Web.Services.Discovery.DiscoveryClientProtocol dcp = new System.Web.Services.Discovery.DiscoveryClientProtocol();
dcp.Timeout = 1000;
dcp.AllowAutoRedirect = true;
// Test the address for the GRIN-Global web services...
try
{
string serverAddress = "http://" + ux_textboxServerName.Text.Trim() + "/GRINGlobal/GUI.asmx";
dcp.Discover(serverAddress);
MessageBox.Show("Successfully connected!");
dcp.Dispose();
}
catch
{
MessageBox.Show("Connection attempt failed");
dcp.Dispose();
}
}
