ServicePointManager.FindServicePoint Metode

Definisi

Ruang nama:

System.Net

Rakitan:

System.Net.ServicePoint.dll

Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi untuk permintaan ini.

Overload

FindServicePoint(Uri, IWebProxy)	Kedaluwarsa. Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi dengan objek yang ditentukan Uri .
FindServicePoint(Uri)	Kedaluwarsa. Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi dengan objek yang ditentukan Uri .
FindServicePoint(String, IWebProxy)	Kedaluwarsa. Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi dengan Pengidentifikasi Sumber Daya Seragam (URI) yang ditentukan.

FindServicePoint(Uri, IWebProxy)

Sumber:

ServicePointManager.cs

Perhatian

WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.

Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi dengan objek yang ditentukan Uri .

public:
 static System::Net::ServicePoint ^ FindServicePoint(Uri ^ address, System::Net::IWebProxy ^ proxy);

[System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Net.ServicePoint FindServicePoint (Uri address, System.Net.IWebProxy? proxy);

[<System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member FindServicePoint : Uri * System.Net.IWebProxy -> System.Net.ServicePoint

Public Shared Function FindServicePoint (address As Uri, proxy As IWebProxy) As ServicePoint

Parameter

address

Uri

Objek Uri yang berisi alamat sumber daya Internet yang akan dihubungi.

proxy

IWebProxy

Data proksi untuk permintaan ini.

Mengembalikan

ServicePoint

Objek ServicePoint yang mengelola komunikasi untuk permintaan.

Atribut

ObsoleteAttribute

Pengecualian

ArgumentNullException

addressadalah null.

InvalidOperationException

Jumlah ServicePoint maksimum objek yang ditentukan MaxServicePoints telah tercapai.

Keterangan

Metode mengembalikan FindServicePoint objek yang ServicePoint terkait dengan nama host Internet yang ditentukan. Jika tidak ada ServicePoint objek untuk host tersebut ServicePointManager , objek akan membuatnya.

Lihat juga

• ServicePoint

FindServicePoint(Uri)

Sumber:

ServicePointManager.cs

Perhatian

WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.

Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi dengan objek yang ditentukan Uri .

public:
 static System::Net::ServicePoint ^ FindServicePoint(Uri ^ address);

[System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Net.ServicePoint FindServicePoint (Uri address);

[<System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member FindServicePoint : Uri -> System.Net.ServicePoint

Public Shared Function FindServicePoint (address As Uri) As ServicePoint

Parameter

address

Uri

Objek Uri sumber daya Internet yang akan dihubungi.

Mengembalikan

ServicePoint

Objek ServicePoint yang mengelola komunikasi untuk permintaan.

Atribut

ObsoleteAttribute

Pengecualian

ArgumentNullException

addressadalah null.

InvalidOperationException

Jumlah ServicePoint maksimum objek yang ditentukan MaxServicePoints telah tercapai.

Keterangan

Metode mengembalikan FindServicePoint objek yang ServicePoint terkait dengan nama host Internet yang ditentukan. Jika tidak ada ServicePoint objek untuk host tersebut ServicePointManager , objek akan membuatnya.

Lihat juga

• ServicePoint

FindServicePoint(String, IWebProxy)

Sumber:

ServicePointManager.cs

Perhatian

WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.

Menemukan objek yang sudah ada ServicePoint atau membuat objek baru ServicePoint untuk mengelola komunikasi dengan Pengidentifikasi Sumber Daya Seragam (URI) yang ditentukan.

public:
 static System::Net::ServicePoint ^ FindServicePoint(System::String ^ uriString, System::Net::IWebProxy ^ proxy);

[System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Net.ServicePoint FindServicePoint (string uriString, System.Net.IWebProxy? proxy);

[<System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member FindServicePoint : string * System.Net.IWebProxy -> System.Net.ServicePoint

Public Shared Function FindServicePoint (uriString As String, proxy As IWebProxy) As ServicePoint

Parameter

uriString

String

URI sumber daya Internet yang akan dihubungi.

proxy

IWebProxy

Data proksi untuk permintaan ini.

Mengembalikan

ServicePoint

Objek ServicePoint yang mengelola komunikasi untuk permintaan.

Atribut

ObsoleteAttribute

Pengecualian

UriFormatException

URI yang ditentukan di uriString tidak valid.

InvalidOperationException

Jumlah ServicePoint maksimum objek yang ditentukan MaxServicePoints telah tercapai.

Contoh

Contoh kode berikut menunjukkan pemanggilan metode ini untuk mengakses ServicePoint objek.

int main()
{
   array<String^>^args = Environment::GetCommandLineArgs();
   int port = 80;
   
   // Define a regular expression to parse the user's input.
   // This is a security check. It allows only
   // alphanumeric input strings between 2 to 40 characters long.
   Regex^ rex = gcnew Regex( "^[a-zA-Z]\\w{1,39}$" );
   if ( args->Length < 2 )
   {
      showUsage();
      return  -1;
   }

   String^ proxy = args[ 1 ];
   if ( (rex->Match(proxy))->Success != true )
   {
      Console::WriteLine( "Input string format not allowed." );
      return  -1;
   }

   String^ proxyAdd = String::Format( "http://{0}:{1}", proxy, port );
   
   // Create a proxy object.  
   WebProxy^ DefaultProxy = gcnew WebProxy( proxyAdd,true );
   
   // Set the proxy that all HttpWebRequest instances use.
   WebRequest::DefaultWebProxy = DefaultProxy;
   
   // Get the base interface for proxy access for the 
   // WebRequest-based classes.
   IWebProxy^ Iproxy = WebRequest::DefaultWebProxy;

   
   // Set the maximum number of ServicePoint instances to 
   // maintain. If a ServicePoint instance for that host already 
   // exists when your application requests a connection to
   // an Internet resource, the ServicePointManager object
   // returns this existing ServicePoint instance. If none exists 
   // for that host, it creates a new ServicePoint instance.
   ServicePointManager::MaxServicePoints = 4;
   
   // Set the maximum idle time of a ServicePoint instance to 10 seconds.
   // After the idle time expires, the ServicePoint object is eligible for
   // garbage collection and cannot be used by the ServicePointManager.
   ServicePointManager::MaxServicePointIdleTime = 10000;
   
   ServicePointManager::UseNagleAlgorithm = true;
   ServicePointManager::Expect100Continue = true;
   ServicePointManager::CheckCertificateRevocationList = true;
   ServicePointManager::DefaultConnectionLimit = ServicePointManager::DefaultPersistentConnectionLimit;
   
   // Create the Uri object for the resource you want to access.
   Uri^ MS = gcnew Uri( "http://msdn.microsoft.com/" );
   
   // Use the FindServicePoint method to find an existing 
   // ServicePoint object or to create a new one.   
   ServicePoint^ servicePoint = ServicePointManager::FindServicePoint( MS, Iproxy );
   ShowProperties( servicePoint );
   int hashCode = servicePoint->GetHashCode();
   Console::WriteLine( "Service point hashcode: {0}", hashCode );
   
   // Make a request with the same scheme identifier and host fragment
   // used to create the previous ServicePoint object.
   makeWebRequest( hashCode, "http://msdn.microsoft.com/library/" );
}

public static void Main(string[] args)
{
    int port = 80;

    // Define a regular expression to parse the user's input.
    // This is a security check. It allows only
    // alphanumeric input strings between 2 to 40 characters long.
    Regex rex = new Regex(@"^[a-zA-Z]\w{1,39}$");

    if (args.Length < 1)
    {
        showUsage();
        return;
    }
    string proxy = args[0];

    if ((rex.Match(proxy)).Success != true)
    {
        Console.WriteLine("Input string format not allowed.");
        return;
    }
    string proxyAdd = "http://" + proxy + ":" + port;

    // Create a proxy object.
    WebProxy DefaultProxy = new WebProxy(proxyAdd, true);

    // Set the proxy that all HttpWebRequest instances use.
    WebRequest.DefaultWebProxy = DefaultProxy;

    // Get the base interface for proxy access for the
    // WebRequest-based classes.
    IWebProxy Iproxy = WebRequest.DefaultWebProxy;

    // Set the maximum number of ServicePoint instances to
    // maintain. If a ServicePoint instance for that host already
    // exists when your application requests a connection to
    // an Internet resource, the ServicePointManager object
    // returns this existing ServicePoint instance. If none exists
    // for that host, it creates a new ServicePoint instance.
    ServicePointManager.MaxServicePoints = 4;

    // Set the maximum idle time of a ServicePoint instance to 10 seconds.
    // After the idle time expires, the ServicePoint object is eligible for
    // garbage collection and cannot be used by the ServicePointManager object.
    ServicePointManager.MaxServicePointIdleTime = 10000;

    ServicePointManager.UseNagleAlgorithm = true;
    ServicePointManager.Expect100Continue = true;
    ServicePointManager.CheckCertificateRevocationList = true;
    ServicePointManager.DefaultConnectionLimit = ServicePointManager.DefaultPersistentConnectionLimit;
    // Create the Uri object for the resource you want to access.
    Uri MS = new Uri("http://msdn.microsoft.com/");

    // Use the FindServicePoint method to find an existing
    // ServicePoint object or to create a new one.
    ServicePoint servicePoint = ServicePointManager.FindServicePoint(MS, Iproxy);

    ShowProperties(servicePoint);

    int hashCode = servicePoint.GetHashCode();

    Console.WriteLine("Service point hashcode: " + hashCode);

    // Make a request with the same scheme identifier and host fragment
    // used to create the previous ServicePoint object.
    makeWebRequest(hashCode, "http://msdn.microsoft.com/library/");
}

' This is the program entry point. It allows the user to enter 
' a server name that is used to locate its current homepage.
Public Shared Sub Main(ByVal args() As String)
    Dim proxy As String = Nothing
    Dim port As Integer = 80

    ' Define a regular expression to parse the user's input.
    ' This is a security check. It allows only
    ' alphanumeric input strings between 2 to 40 characters long.
    Dim rex As New Regex("^[a-zA-Z]\w{1,39}$")

    If args.Length = 0 Then
        ' Show how to use this program.
        showUsage()
        Return
    End If

    proxy = args(0)
    If (Not (rex.Match(proxy)).Success) Then
        Console.WriteLine("Input string format not allowed.")
        Return
    End If

    ' Create a proxy object.  
    Dim proxyAdd As String
    proxyAdd = "http://" + proxy + ":" + port.ToString()


    Dim DefaultProxy As New WebProxy(proxyAdd, True)

    ' Set the proxy that all HttpWebRequest instances use.
    WebRequest.DefaultWebProxy = DefaultProxy


    ' Get the base interface for proxy access for the 
    ' WebRequest-based classes.
    Dim Iproxy As IWebProxy = WebRequest.DefaultWebProxy

    ' Set the maximum number of ServicePoint instances to maintain.
    ' Note that, if a ServicePoint instance for that host already 
    ' exists when your application requests a connection to
    ' an Internet resource, the ServicePointManager object
    ' returns this existing ServicePoint. If none exists 
    ' for that host, it creates a new ServicePoint instance.
    ServicePointManager.MaxServicePoints = 4

    ' Set the maximum idle time of a ServicePoint instance to 10 seconds.
    ' After the idle time expires, the ServicePoint object is eligible for
    ' garbage collection and cannot be used by the ServicePointManager.
    ServicePointManager.MaxServicePointIdleTime = 10000


    ServicePointManager.UseNagleAlgorithm = True
    ServicePointManager.Expect100Continue = True
    ServicePointManager.CheckCertificateRevocationList = True
    ServicePointManager.DefaultConnectionLimit = _
        ServicePointManager.DefaultPersistentConnectionLimit
    ' Create the Uri object for the resource you want to access.
    Dim MS As New Uri("http://msdn.microsoft.com/")

    ' Use the FindServicePoint method to find an existing 
    ' ServicePoint object or to create a new one.   
    Dim servicePoint As ServicePoint = ServicePointManager.FindServicePoint(MS, Iproxy)
    ShowProperties(servicePoint)
    Dim hashCode As Integer = servicePoint.GetHashCode()
    Console.WriteLine(("Service point hashcode: " + hashCode.ToString()))

    ' Make a request with the same scheme identifier and host fragment
    ' used to create the previous ServicePoint object.
    makeWebRequest(hashCode, "http://msdn.microsoft.com/library/")

End Sub

Keterangan

Metode mengembalikan FindServicePoint objek yang ServicePoint terkait dengan nama host Internet yang ditentukan. Jika tidak ada ServicePoint objek untuk host tersebut ServicePointManager , objek akan membuatnya.

Lihat juga

• Uri
• ServicePoint