AddressFamily Enumeration
Specifies the addressing scheme that an instance of the Socket class can use.
Assembly: System (in System.dll)
| Member name | Description | |
|---|---|---|
| AppleTalk | AppleTalk address. | |
| Atm | Native ATM services address. | |
| Banyan | Banyan address. | |
| Ccitt | Addresses for CCITT protocols, such as X.25. | |
| Chaos | Address for MIT CHAOS protocols. | |
| Cluster | Address for Microsoft cluster products. | |
| DataKit | Address for Datakit protocols. | |
| DataLink | Direct data-link interface address. | |
| DecNet | DECnet address. | |
| Ecma | European Computer Manufacturers Association (ECMA) address. | |
| FireFox | FireFox address. | |
| HyperChannel | NSC Hyperchannel address. | |
| Ieee12844 | IEEE 1284.4 workgroup address. | |
| ImpLink | ARPANET IMP address. | |
| InterNetwork | Address for IP version 4. | |
| InterNetworkV6 | Address for IP version 6. | |
| Ipx | IPX or SPX address. | |
| Irda | IrDA address. | |
| Iso | Address for ISO protocols. | |
| Lat | LAT address. | |
| Max | MAX address. | |
| NetBios | NetBios address. | |
| NetworkDesigners | Address for Network Designers OSI gateway-enabled protocols. | |
| NS | Address for Xerox NS protocols. | |
| Osi | Address for OSI protocols. | |
| Pup | Address for PUP protocols. | |
| Sna | IBM SNA address. | |
| Unix | Unix local to host address. | |
| Unknown | Unknown address family. | |
| Unspecified | Unspecified address family. | |
| VoiceView | VoiceView address. |
The following example creates a Socket using the InterNetworkAddressFamily.
#using <System.dll> using namespace System; using namespace System::Text; using namespace System::IO; using namespace System::Net; using namespace System::Net::Sockets; String^ DoSocketGet( String^ server ) { //Set up variables and String to write to the server. Encoding^ ASCII = Encoding::ASCII; String^ Get = "GET / HTTP/1.1\r\nHost: "; Get->Concat( server, "\r\nConnection: Close\r\n\r\n" ); array<Byte>^ByteGet = ASCII->GetBytes( Get ); array<Byte>^RecvBytes = gcnew array<Byte>(256); String^ strRetPage = nullptr; // IPAddress and IPEndPoint represent the endpoint that will // receive the request. // Get first IPAddress in list return by DNS. try { // Define those variables to be evaluated in the next for loop and // then used to connect to the server. These variables are defined // outside the for loop to make them accessible there after. Socket^ s = nullptr; IPEndPoint^ hostEndPoint; IPAddress^ hostAddress = nullptr; int conPort = 80; // Get DNS host information. IPHostEntry^ hostInfo = Dns::Resolve( server ); // Get the DNS IP addresses associated with the host. array<IPAddress^>^IPaddresses = hostInfo->AddressList; // Evaluate the socket and receiving host IPAddress and IPEndPoint. for ( int index = 0; index < IPaddresses->Length; index++ ) { hostAddress = IPaddresses[ index ]; hostEndPoint = gcnew IPEndPoint( hostAddress,conPort ); // Creates the Socket to send data over a TCP connection. s = gcnew Socket( AddressFamily::InterNetwork,SocketType::Stream,ProtocolType::Tcp ); // Connect to the host using its IPEndPoint. s->Connect( hostEndPoint ); if ( !s->Connected ) { // Connection failed, try next IPaddress. strRetPage = "Unable to connect to host"; s = nullptr; continue; } // Sent the GET request to the host. s->Send( ByteGet, ByteGet->Length, SocketFlags::None ); } // Receive the host home page content and loop until all the data is received. Int32 bytes = s->Receive( RecvBytes, RecvBytes->Length, SocketFlags::None ); strRetPage = "Default HTML page on "; strRetPage->Concat( server, ":\r\n", ASCII->GetString( RecvBytes, 0, bytes ) ); while ( bytes > 0 ) { bytes = s->Receive( RecvBytes, RecvBytes->Length, SocketFlags::None ); strRetPage->Concat( ASCII->GetString( RecvBytes, 0, bytes ) ); } } catch ( SocketException^ e ) { Console::WriteLine( "SocketException caught!!!" ); Console::Write( "Source : " ); Console::WriteLine( e->Source ); Console::Write( "Message : " ); Console::WriteLine( e->Message ); } catch ( ArgumentNullException^ e ) { Console::WriteLine( "ArgumentNULLException caught!!!" ); Console::Write( "Source : " ); Console::WriteLine( e->Source ); Console::Write( "Message : " ); Console::WriteLine( e->Message ); } catch ( NullReferenceException^ e ) { Console::WriteLine( "NULLReferenceException caught!!!" ); Console::Write( "Source : " ); Console::WriteLine( e->Source ); Console::Write( "Message : " ); Console::WriteLine( e->Message ); } catch ( Exception^ e ) { Console::WriteLine( "Exception caught!!!" ); Console::Write( "Source : " ); Console::WriteLine( e->Source ); Console::Write( "Message : " ); Console::WriteLine( e->Message ); } return strRetPage; } int main() { Console::WriteLine( DoSocketGet( "localhost" ) ); }
Available since 10
.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.1