000
12.12.2009, 12:56 Uhr
~DasKlappt
Gast
|
huhu, kurz und knapp,
wo muss ich in diesem Code (von msdn.microsoft.com) die IP übergeben, das compilen funtzt nur hat er ja keine IP zum anpingen, welche Variable ist das?
args,
reply,
...
habe rumprobiert aber nichts rausgefunden
oder muss da noch nen Methodenaufruf rein?
| C++: |
#using <System.dll>
using namespace System;
using namespace System::Text;
using namespace System::Net;
using namespace System::Net::NetworkInformation;
using namespace System::ComponentModel;
using namespace System::Threading;
void PingCompletedCallback( Object^ sender, PingCompletedEventArgs^ e );
void DisplayReply( PingReply^ reply );
int main()
{
array<String^>^args = Environment::GetCommandLineArgs();
if ( args->Length == 1 )
throw gcnew ArgumentException( "Ping needs a host or IP Address." );
String^ who = args[ 1 ];
AutoResetEvent^ waiter = gcnew AutoResetEvent( false );
Ping ^ pingSender = gcnew Ping;
// When the PingCompleted event is raised,
// the PingCompletedCallback method is called.
pingSender->PingCompleted += gcnew PingCompletedEventHandler( PingCompletedCallback );
// Create a buffer of 32 bytes of data to be transmitted.
String^ data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
array<Byte>^buffer = Encoding::ASCII->GetBytes( data );
// Wait 12 seconds for a reply.
int timeout = 12000;
// Set options for transmission:
// The data can go through 64 gateways or routers
// before it is destroyed, and the data packet
// cannot be fragmented.
PingOptions ^ options = gcnew PingOptions( 64,true );
Console::WriteLine( "Time to live: {0}", options->Ttl );
Console::WriteLine( "Don't fragment: {0}", options->DontFragment );
// Send the ping asynchronously.
// Use the waiter as the user token.
// When the callback completes, it can wake up this thread.
pingSender->SendAsync( who, timeout, buffer, options, waiter );
// Prevent this example application from ending.
// A real application should do something useful
// when possible.
waiter->WaitOne();
Console::WriteLine( "Ping example completed." );
}
void PingCompletedCallback( Object^ /*sender*/, PingCompletedEventArgs^ e )
{
// If the operation was canceled, display a message to the user.
if ( e->Cancelled )
{
Console::WriteLine( "Ping canceled." );
// Let the main thread resume.
// UserToken is the AutoResetEvent object that the main thread
// is waiting for.
(dynamic_cast<AutoResetEvent^>(e->UserState))->Set();
}
// If an error occurred, display the exception to the user.
if ( e->Error != nullptr )
{
Console::WriteLine( "Ping failed:" );
Console::WriteLine( e->Error->ToString() );
// Let the main thread resume.
(dynamic_cast<AutoResetEvent^>(e->UserState))->Set();
}
PingReply ^ reply = e->Reply;
DisplayReply( reply );
// Let the main thread resume.
(dynamic_cast<AutoResetEvent^>(e->UserState))->Set();
}
void DisplayReply( PingReply ^ reply )
{
if ( reply == nullptr )
return;
Console::WriteLine( "ping status: {0}", reply->Status );
if ( reply->Status == IPStatus::Success )
{
Console::WriteLine( "Address: {0}", reply->Address->ToString() );
Console::WriteLine( "RoundTrip time: {0}", reply->RoundtripTime );
Console::WriteLine( "Time to live: {0}", reply->Options->Ttl );
Console::WriteLine( "Don't fragment: {0}", reply->Options->DontFragment );
Console::WriteLine( "Buffer size: {0}", reply->Buffer->Length );
}
}
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