ServicePointManager.FindServicePoint メソッド

定義

名前空間:

System.Net

アセンブリ:

System.Net.Requests.dll

要求を処理するための通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。

オーバーロード

FindServicePoint(Uri, IWebProxy)	指定した Uri オブジェクトとの通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。
FindServicePoint(Uri)	指定した Uri オブジェクトとの通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。
FindServicePoint(String, IWebProxy)	指定した URI (Uniform Resource Identifier) との通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。

FindServicePoint(Uri, IWebProxy)

ソース:

ServicePointManager.cs

指定した Uri オブジェクトとの通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。

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

public static System.Net.ServicePoint FindServicePoint (Uri address, System.Net.IWebProxy? proxy);

static member FindServicePoint : Uri * System.Net.IWebProxy -> System.Net.ServicePoint

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

パラメーター

address

Uri

接続先のインターネット リソースのアドレスを格納している Uriオブジェクト。

proxy

IWebProxy

この要求に対して使用するプロキシ データ。

戻り値

ServicePoint

要求を処理するための通信を管理する ServicePoint オブジェクト。

例外

ArgumentNullException

address が nullです。

InvalidOperationException

ServicePoint で定義されている MaxServicePoints オブジェクトの最大数に達しました。

注釈

メソッドは FindServicePoint 、指定されたインターネット ホスト名に ServicePoint 関連付けられている オブジェクトを返します。 そのホストにオブジェクトが存在しない ServicePoint 場合、オブジェクトによって ServicePointManager 作成されます。

こちらもご覧ください

• ServicePoint

FindServicePoint(Uri)

ソース:

ServicePointManager.cs

指定した Uri オブジェクトとの通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。

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

public static System.Net.ServicePoint FindServicePoint (Uri address);

static member FindServicePoint : Uri -> System.Net.ServicePoint

Public Shared Function FindServicePoint (address As Uri) As ServicePoint

パラメーター

address

Uri

接続先のインターネット リソースの Uri オブジェクト。

戻り値

ServicePoint

要求を処理するための通信を管理する ServicePoint オブジェクト。

例外

ArgumentNullException

address が nullです。

InvalidOperationException

ServicePoint で定義されている MaxServicePoints オブジェクトの最大数に達しました。

注釈

メソッドは FindServicePoint 、指定されたインターネット ホスト名に ServicePoint 関連付けられている オブジェクトを返します。 そのホストにオブジェクトが存在しない ServicePoint 場合、オブジェクトによって ServicePointManager 作成されます。

こちらもご覧ください

• ServicePoint

FindServicePoint(String, IWebProxy)

ソース:

ServicePointManager.cs

指定した URI (Uniform Resource Identifier) との通信を管理するには、既存の ServicePoint オブジェクトを検出するか、新しい ServicePoint オブジェクトを作成します。

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

public static System.Net.ServicePoint FindServicePoint (string uriString, System.Net.IWebProxy? proxy);

static member FindServicePoint : string * System.Net.IWebProxy -> System.Net.ServicePoint

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

パラメーター

uriString

String

接続先のインターネット リソースの URI。

proxy

IWebProxy

この要求に対して使用するプロキシ データ。

戻り値

ServicePoint

要求を処理するための通信を管理する ServicePoint オブジェクト。

例外

UriFormatException

uriString で指定した URI が無効です。

InvalidOperationException

ServicePoint で定義されている MaxServicePoints オブジェクトの最大数に達しました。

例

次のコード例では、このメソッドを呼び出して オブジェクトにアクセスする方法を ServicePoint 示します。

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)
   {
      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)
    {
        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

注釈

メソッドは FindServicePoint 、指定されたインターネット ホスト名に ServicePoint 関連付けられている オブジェクトを返します。 そのホストにオブジェクトが存在しない ServicePoint 場合、オブジェクトによって ServicePointManager 作成されます。

こちらもご覧ください

• Uri
• ServicePoint