mcs/class/System/Test/System.Net/ServicePointTest.cs

   1 //\r
   2 // ServicePointTest.cs - NUnit Test Cases for System.Net.ServicePoint\r
   3 //\r
   4 // Authors:\r
   5 //   Lawrence Pit (loz@cable.a2000.nl)\r
   6 //   Martin Willemoes Hansen (mwh@sysrq.dk)\r
   7 //\r
   8 // (C) 2003 Martin Willemoes Hansen\r
   9 //\r
  10 \r
  11 using NUnit.Framework;\r
  12 using System;\r
  13 using System.Collections;\r
  14 using System.IO;\r
  15 using System.Net;\r
  16 using System.Threading;\r
  17 \r
  18 namespace MonoTests.System.Net\r
  19 {\r
  20 \r
  21 [TestFixture]\r
  22 public class ServicePointTest\r
  23 {\r
  24         static private int max;\r
  25         [SetUp]\r
  26         public void SaveMax () {\r
  27                 max = ServicePointManager.MaxServicePoints;\r
  28                 ServicePointManager.MaxServicePoints = 0;\r
  29         }\r
  30 \r
  31         [TearDown]\r
  32         public void RestoreMax () {\r
  33                 ServicePointManager.MaxServicePoints = max;\r
  34         }\r
  35 \r
  36         [Test]\r
  37         public void All ()\r
  38         {\r
  39                 ServicePoint p = ServicePointManager.FindServicePoint (new Uri ("mailto:xx@yyy.com"));\r
  40                 //WriteServicePoint ("A servicepoint that isn't really", p);                    \r
  41                 \r
  42                 ServicePointManager.MaxServicePoints = 2;\r
  43                 ServicePoint google = ServicePointManager.FindServicePoint (new Uri ("http://www.google.com"));\r
  44                 try {                   \r
  45                         ServicePoint slashdot = ServicePointManager.FindServicePoint (new Uri ("http://www.slashdot.org"));\r
  46                         Assertion.Fail ("#1");\r
  47                 } catch (InvalidOperationException) { }\r
  48                 ServicePointManager.MaxServicePoints = 0;\r
  49                 \r
  50                 //WriteServicePoint ("google before getting a webrequest", google);\r
  51                 \r
  52                 HttpWebRequest req = (HttpWebRequest) WebRequest.Create ("http://www.google.com");\r
  53                 HttpWebResponse res = (HttpWebResponse) req.GetResponse ();                     \r
  54                 \r
  55                 //WriteServicePoint ("google after getting a response", google);\r
  56                 ServicePoint google2 = ServicePointManager.FindServicePoint (new Uri ("http://www.google.com/dilbert.html"));\r
  57                 Assertion.AssertEquals ("#equals", google, google2);\r
  58                 res.Close ();\r
  59                 \r
  60                 // in both instances property CurrentConnections is 0 according to ms.net.\r
  61                 // let's see what it says when we do async operations...\r
  62                 \r
  63                 HttpWebRequest req2 = (HttpWebRequest) WebRequest.Create ("http://www.google.com");\r
  64                 req2.Method = "PUT";\r
  65                 IAsyncResult async = req2.BeginGetRequestStream (null, null);\r
  66                 //WriteServicePoint ("after async BeginGetRequestStream", google);\r
  67                 // CurrentConnections: 1\r
  68                 Stream stream2 = req2.EndGetRequestStream (async);\r
  69                 //WriteServicePoint ("after async EndGetRequestStream", google);\r
  70                 // CurrentConnections: 1\r
  71                 stream2.Close ();\r
  72                 \r
  73                 req2 = (HttpWebRequest) WebRequest.Create ("http://www.google.com");\r
  74                 async = req2.BeginGetResponse (null, null);\r
  75                 //WriteServicePoint ("after async BeginGetResponse", google);\r
  76                 // CurrentConnections: 2\r
  77                 WebResponse res2 = req2.EndGetResponse (async);\r
  78                 //WriteServicePoint ("after async EndGetResponse", google);\r
  79                 // CurrentConnections: 0                        \r
  80                 // curious that after you get the webresponse object CurrentConnections is set to 0.\r
  81                 // you'd think that you'd still be connected until you close the webresponse..\r
  82                 //Console.WriteLine ("ContentLength: " + res2.ContentLength);\r
  83                 res2.Close ();\r
  84                 \r
  85                 \r
  86                 // unless of course some buffering is taking place.. let's check\r
  87                 Uri uri2 = new Uri ("http://freedesktop.org/Software/pkgconfig/releases/pkgconfig-0.15.0.tar.gz");\r
  88                 ServicePoint sp2 = ServicePointManager.FindServicePoint (uri2);\r
  89                 req2 = (HttpWebRequest) WebRequest.Create (uri2);\r
  90                 async = req2.BeginGetResponse (null, null);\r
  91                 //WriteServicePoint ("Large file: after async BeginGetResponse", sp2);\r
  92                 // CurrentConnections: 1\r
  93                 res2 = req2.EndGetResponse (async);\r
  94                 //WriteServicePoint ("Large file: after async EndGetResponse", sp2);\r
  95                 // CurrentConnections: 1\r
  96                 // and so it shows\r
  97                 //Console.WriteLine ("ContentLength: " + res2.ContentLength);\r
  98                 res2.Close ();\r
  99                 \r
 100                 \r
 101                 // what's the limit of the cache?\r
 102                 req2 = (HttpWebRequest) WebRequest.Create ("http://www.apache.org/");\r
 103                 res2 = req2.GetResponse ();\r
 104                 sp2 = ServicePointManager.FindServicePoint (new Uri("http://www.apache.org/"));\r
 105                 //WriteServicePoint ("apache", sp2);\r
 106                 //Console.WriteLine ("ContentLength: " + res2.ContentLength);\r
 107                 // CurrentConnections: 1\r
 108                 res2.Close ();\r
 109                 // curious other effect: address is actually the full Uri of the previous request\r
 110                 // anyways, buffer is probably 4096 bytes\r
 111         }\r
 112 \r
 113         // try getting the stream to 5 web response objects     \r
 114         // while ConnectionLimit equals 2\r
 115 \r
 116         [Test]\r
 117         public void ConnectionLimit ()\r
 118         {               \r
 119                 // the default is already 2, just in case it isn't..\r
 120                 ServicePointManager.DefaultConnectionLimit = 5;\r
 121                 \r
 122                 Uri uri = new Uri ("http://www.go-mono.com/");\r
 123                 ServicePoint sp = ServicePointManager.FindServicePoint (uri);                   \r
 124                 WebResponse [] res = new WebResponse [5];\r
 125                 for (int i = 0; i < 5; i++) {\r
 126                         //Console.WriteLine ("GOT1 : " + i);\r
 127                         HttpWebRequest req = (HttpWebRequest) WebRequest.Create (uri);\r
 128                         //Console.WriteLine ("GOT2 : " + i);\r
 129                         res [i] = req.GetResponse ();\r
 130                         //WriteServicePoint ("after getting " + (i + 1) + " web response objects", sp);\r
 131                 }\r
 132                 \r
 133                 for (int i = 0; i < 5; i++) {\r
 134                         Stream stream = res [i].GetResponseStream();\r
 135                         //Console.WriteLine ("Reading stream: " + i + " : " + stream);\r
 136                         int len = 0;\r
 137                         while (stream.ReadByte () != -1)\r
 138                                 len++;\r
 139                         //Console.WriteLine ("Finished reading: " + len + " bytes");\r
 140                 }\r
 141                 \r
 142                 for (int i = 0; i < 5; i++) {\r
 143                         res [i].Close ();\r
 144                 }\r
 145         }\r
 146 \r
 147 // Debug code not used now, but could be useful later\r
 148 /*\r
 149         private void WriteServicePoint (string label, ServicePoint sp)\r
 150         {\r
 151                 Console.WriteLine ("\n" + label);\r
 152                 Console.WriteLine ("Address: " + sp.Address);\r
 153                 Console.WriteLine ("ConnectionLimit: " + sp.ConnectionLimit);\r
 154                 Console.WriteLine ("ConnectionName: " + sp.ConnectionName);\r
 155                 Console.WriteLine ("CurrentConnections: " + sp.CurrentConnections);\r
 156                 Console.WriteLine ("IdleSince: " + sp.IdleSince);\r
 157                 Console.WriteLine ("MaxIdletime: " + sp.MaxIdleTime);\r
 158                 Console.WriteLine ("ProtocolVersion: " + sp.ProtocolVersion);\r
 159                 Console.WriteLine ("SupportsPipelining: " + sp.SupportsPipelining);             \r
 160         }\r
 161 */\r
 162 }\r
 163 }\r
 164 \r