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Viewing changes to external/maccore/src/CoreServices/CFHTTPStream.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/maccore/src/CoreServices/CFHTTPStream.cs
 
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//
 
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// MonoMac.CoreServices.CFHTTPStream
 
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//
 
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// Authors:
 
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//      Martin Baulig (martin.baulig@gmail.com)
 
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//
 
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// Copyright 2012 Xamarin Inc. (http://www.xamarin.com)
 
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//
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using MonoMac.Foundation;
 
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using MonoMac.CoreFoundation;
 
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using MonoMac.ObjCRuntime;
 
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namespace MonoMac.CoreServices {
 
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        public class CFHTTPStream : CFReadStream {
 
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                static readonly NSString _AttemptPersistentConnection;
 
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                static readonly NSString _FinalURL;
 
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                static readonly NSString _FinalRequest;
 
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                static readonly NSString _Proxy;
 
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                static readonly NSString _RequestBytesWrittenCount;
 
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                static readonly NSString _ResponseHeader;
 
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                static readonly NSString _ShouldAutoredirect;
 
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                static CFHTTPStream ()
 
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                {
 
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                        var handle = Dlfcn.dlopen (Constants.CFNetworkLibrary, 0);
 
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                        if (handle == IntPtr.Zero)
 
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                                throw new InvalidOperationException ();
 
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                        try {
 
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                                _AttemptPersistentConnection = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPAttemptPersistentConnection");
 
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                                _FinalURL = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPFinalURL");
 
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                                _FinalRequest = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPFinalRequest");
 
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                                _Proxy = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPProxy");
 
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                                _RequestBytesWrittenCount = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPRequestBytesWrittenCount");
 
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                                _ResponseHeader = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPResponseHeader");
 
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                                _ShouldAutoredirect = GetStringConstant (
 
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                                        handle, "kCFStreamPropertyHTTPShouldAutoredirect");
 
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                        } finally {
 
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                                Dlfcn.dlclose (handle);
 
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                        }
 
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                }
 
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                static NSString GetStringConstant (IntPtr handle, string name)
 
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                {
 
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                        var result = Dlfcn.GetStringConstant (handle, name);
 
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                        if (result == null)
 
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                                throw new InvalidOperationException (
 
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                                        string.Format ("Cannot get '{0}' property.", name));
 
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                        return result;
 
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                }
 
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                internal CFHTTPStream (IntPtr handle)
 
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                        : base (handle)
 
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                {
 
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                }
 
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                public Uri FinalURL {
 
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                        get {
 
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                                var handle = GetProperty (_FinalURL);
 
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                                if (handle == IntPtr.Zero)
 
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                                        return null;
 
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                                if (CFType.GetTypeID (handle) != CFUrl.GetTypeID ()) {
 
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                                        CFObject.CFRelease (handle);
 
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                                        throw new InvalidCastException ();
 
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                                }
 
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                                using (var url = new CFUrl (handle))
 
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                                        return new Uri (url.ToString ());
 
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                        }
 
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                }
 
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                public CFHTTPMessage GetFinalRequest ()
 
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                {
 
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                        var handle = GetProperty (_FinalRequest);
 
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                        if (handle == IntPtr.Zero)
 
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                                return null;
 
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                        if (CFType.GetTypeID (handle) != CFHTTPMessage.GetTypeID ()) {
 
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                                CFObject.CFRelease (handle);
 
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                                throw new InvalidCastException ();
 
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                        }
 
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                        return new CFHTTPMessage (handle);
 
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                }
 
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                public CFHTTPMessage GetResponseHeader ()
 
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                {
 
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                        var handle = GetProperty (_ResponseHeader);
 
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                        if (handle == IntPtr.Zero)
 
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                                return null;
 
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                        if (CFType.GetTypeID (handle) != CFHTTPMessage.GetTypeID ()) {
 
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                                CFObject.CFRelease (handle);
 
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                                throw new InvalidCastException ();
 
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                        }
 
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                        return new CFHTTPMessage (handle);
 
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                }
 
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                public bool AttemptPersistentConnection {
 
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                        get {
 
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                                var handle = GetProperty (_AttemptPersistentConnection);
 
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                                if (handle == IntPtr.Zero)
 
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                                        return false;
 
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                                else if (handle == CFBoolean.False.Handle)
 
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                                        return false;
 
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                                else if (handle == CFBoolean.True.Handle)
 
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                                        return true;
 
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                                else
 
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                                        throw new InvalidCastException ();
 
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                        }
 
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                        set {
 
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                                SetProperty (_AttemptPersistentConnection,
 
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                                             CFBoolean.FromBoolean (value));
 
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                        }
 
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                }
 
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                public int RequestBytesWrittenCount {
 
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                        get {
 
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                                var handle = GetProperty (_RequestBytesWrittenCount);
 
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                                if (handle == IntPtr.Zero)
 
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                                        return 0;
 
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                                using (var number = new NSNumber (handle))
 
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                                        return number.Int32Value;
 
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                        }
 
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                }
 
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                public bool ShouldAutoredirect {
 
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                        get {
 
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                                var handle = GetProperty (_ShouldAutoredirect);
 
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                                if (handle == IntPtr.Zero)
 
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                                        return false;
 
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                                else if (handle == CFBoolean.False.Handle)
 
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                                        return false;
 
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                                else if (handle == CFBoolean.True.Handle)
 
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                                        return true;
 
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                                else
 
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                                        throw new InvalidCastException ();
 
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                        }
 
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                        set {
 
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                                SetProperty (_ShouldAutoredirect,
 
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                                             CFBoolean.FromBoolean (value));
 
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                        }
 
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                }
 
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                internal CFDictionary Proxy {
 
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                        set {
 
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                                SetProperty (_Proxy, value);
 
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                        }
 
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                }
 
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        }
 
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}