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//
// ServicePointTest.cs - NUnit Test Cases for System.Net.ServicePoint
//
// Authors:
// Lawrence Pit (loz@cable.a2000.nl)
// Martin Willemoes Hansen (mwh@sysrq.dk)
//
// (C) 2003 Martin Willemoes Hansen
//
using NUnit.Framework;
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Threading;
namespace MonoTests.System.Net
{
[TestFixture]
public class ServicePointTest
{
static private int max;
[SetUp]
public void SaveMax () {
max = ServicePointManager.MaxServicePoints;
ServicePointManager.MaxServicePoints = 0;
}
[TearDown]
public void RestoreMax () {
ServicePointManager.MaxServicePoints = max;
}
[Test]
[Category ("InetAccess")]
public void All ()
{
ServicePoint p = ServicePointManager.FindServicePoint (new Uri ("mailto:xx@yyy.com"));
//WriteServicePoint ("A servicepoint that isn't really", p);
ServicePointManager.MaxServicePoints = 2;
ServicePoint google = ServicePointManager.FindServicePoint (new Uri ("http://www.google.com"));
try {
ServicePoint slashdot = ServicePointManager.FindServicePoint (new Uri ("http://www.slashdot.org"));
Assertion.Fail ("#1");
} catch (InvalidOperationException) { }
ServicePointManager.MaxServicePoints = 0;
//WriteServicePoint ("google before getting a webrequest", google);
HttpWebRequest req = (HttpWebRequest) WebRequest.Create ("http://www.google.com");
HttpWebResponse res = (HttpWebResponse) req.GetResponse ();
//WriteServicePoint ("google after getting a response", google);
ServicePoint google2 = ServicePointManager.FindServicePoint (new Uri ("http://www.google.com/dilbert.html"));
Assertion.AssertEquals ("#equals", google, google2);
res.Close ();
// in both instances property CurrentConnections is 0 according to ms.net.
// let's see what it says when we do async operations...
HttpWebRequest req2 = (HttpWebRequest) WebRequest.Create ("http://www.google.com");
req2.Method = "PUT";
IAsyncResult async = req2.BeginGetRequestStream (null, null);
//WriteServicePoint ("after async BeginGetRequestStream", google);
// CurrentConnections: 1
Stream stream2 = req2.EndGetRequestStream (async);
//WriteServicePoint ("after async EndGetRequestStream", google);
// CurrentConnections: 1
stream2.Close ();
req2 = (HttpWebRequest) WebRequest.Create ("http://www.google.com");
async = req2.BeginGetResponse (null, null);
//WriteServicePoint ("after async BeginGetResponse", google);
// CurrentConnections: 2
WebResponse res2 = req2.EndGetResponse (async);
//WriteServicePoint ("after async EndGetResponse", google);
// CurrentConnections: 0
// curious that after you get the webresponse object CurrentConnections is set to 0.
// you'd think that you'd still be connected until you close the webresponse..
//Console.WriteLine ("ContentLength: " + res2.ContentLength);
res2.Close ();
// unless of course some buffering is taking place.. let's check
Uri uri2 = new Uri ("http://freedesktop.org/Software/pkgconfig/releases/pkgconfig-0.15.0.tar.gz");
ServicePoint sp2 = ServicePointManager.FindServicePoint (uri2);
req2 = (HttpWebRequest) WebRequest.Create (uri2);
async = req2.BeginGetResponse (null, null);
//WriteServicePoint ("Large file: after async BeginGetResponse", sp2);
// CurrentConnections: 1
res2 = req2.EndGetResponse (async);
//WriteServicePoint ("Large file: after async EndGetResponse", sp2);
// CurrentConnections: 1
// and so it shows
//Console.WriteLine ("ContentLength: " + res2.ContentLength);
res2.Close ();
// what's the limit of the cache?
req2 = (HttpWebRequest) WebRequest.Create ("http://www.apache.org/");
res2 = req2.GetResponse ();
sp2 = ServicePointManager.FindServicePoint (new Uri("http://www.apache.org/"));
//WriteServicePoint ("apache", sp2);
//Console.WriteLine ("ContentLength: " + res2.ContentLength);
// CurrentConnections: 1
res2.Close ();
// curious other effect: address is actually the full Uri of the previous request
// anyways, buffer is probably 4096 bytes
}
// try getting the stream to 5 web response objects
// while ConnectionLimit equals 2
[Test]
[Category ("InetAccess")]
public void ConnectionLimit ()
{
// the default is already 2, just in case it isn't..
ServicePointManager.DefaultConnectionLimit = 5;
Uri uri = new Uri ("http://www.go-mono.com/");
ServicePoint sp = ServicePointManager.FindServicePoint (uri);
WebResponse [] res = new WebResponse [5];
for (int i = 0; i < 5; i++) {
//Console.WriteLine ("GOT1 : " + i);
HttpWebRequest req = (HttpWebRequest) WebRequest.Create (uri);
//Console.WriteLine ("GOT2 : " + i);
res [i] = req.GetResponse ();
//WriteServicePoint ("after getting " + (i + 1) + " web response objects", sp);
}
for (int i = 0; i < 5; i++) {
Stream stream = res [i].GetResponseStream();
//Console.WriteLine ("Reading stream: " + i + " : " + stream);
int len = 0;
while (stream.ReadByte () != -1)
len++;
//Console.WriteLine ("Finished reading: " + len + " bytes");
}
for (int i = 0; i < 5; i++) {
res [i].Close ();
}
}
// Debug code not used now, but could be useful later
/*
private void WriteServicePoint (string label, ServicePoint sp)
{
Console.WriteLine ("\n" + label);
Console.WriteLine ("Address: " + sp.Address);
Console.WriteLine ("ConnectionLimit: " + sp.ConnectionLimit);
Console.WriteLine ("ConnectionName: " + sp.ConnectionName);
Console.WriteLine ("CurrentConnections: " + sp.CurrentConnections);
Console.WriteLine ("IdleSince: " + sp.IdleSince);
Console.WriteLine ("MaxIdletime: " + sp.MaxIdleTime);
Console.WriteLine ("ProtocolVersion: " + sp.ProtocolVersion);
Console.WriteLine ("SupportsPipelining: " + sp.SupportsPipelining);
}
*/
}
}
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