ServicePointManager.FindServicePoint メソッド
定義
重要
一部の情報は、リリース前に大きく変更される可能性があるプレリリースされた製品に関するものです。 Microsoft は、ここに記載されている情報について、明示または黙示を問わず、一切保証しません。
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) |
互換性のために残されています。
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) |
互換性のために残されています。
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) |
互換性のために残されています。
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)
注意事項
WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.
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);[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);public static System.Net.ServicePoint FindServicePoint (Uri address, System.Net.IWebProxy proxy);static member FindServicePoint : Uri * System.Net.IWebProxy -> System.Net.ServicePoint[<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.ServicePointPublic Shared Function FindServicePoint (address As Uri, proxy As IWebProxy) As ServicePointパラメーター
- proxy
- IWebProxy
この要求に対して使用するプロキシ データ。
戻り値
要求を処理するための通信を管理する ServicePoint オブジェクト。
- 属性
例外
address が nullです。
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
このメソッドは FindServicePoint 、指定された ServicePoint インターネット ホスト名に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、オブジェクトはオブジェクトを ServicePointManager 作成します。
こちらもご覧ください
適用対象
FindServicePoint(Uri)
注意事項
WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.
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);[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);static member FindServicePoint : Uri -> System.Net.ServicePoint[<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.ServicePointPublic Shared Function FindServicePoint (address As Uri) As ServicePointパラメーター
戻り値
要求を処理するための通信を管理する ServicePoint オブジェクト。
- 属性
例外
address が nullです。
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
このメソッドは FindServicePoint 、指定された ServicePoint インターネット ホスト名に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、オブジェクトはオブジェクトを ServicePointManager 作成します。
こちらもご覧ください
適用対象
FindServicePoint(String, IWebProxy)
注意事項
WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.
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);[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);public static System.Net.ServicePoint FindServicePoint (string uriString, System.Net.IWebProxy proxy);static member FindServicePoint : string * System.Net.IWebProxy -> System.Net.ServicePoint[<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.ServicePointPublic 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
要求を処理するための通信を管理する ServicePoint オブジェクト。
- 属性
例外
uriString で指定した URI が無効です。
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 != 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
注釈
このメソッドは FindServicePoint 、指定された ServicePoint インターネット ホスト名に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、オブジェクトはオブジェクトを ServicePointManager 作成します。