mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-06-14 11:01:57 +08:00
9449f151d0
The sources can be obtained via: http://opensource.apple.com/tarballs/mDNSResponder/mDNSResponder-544.tar.gz
795 lines
20 KiB
C++
795 lines
20 KiB
C++
/* -*- Mode: C; tab-width: 4 -*-
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*
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* Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "StdAfx.h"
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#include "CommonServices.h"
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#include "DebugServices.h"
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#include "WinServices.h"
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#include "dns_sd.h"
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#include "ExplorerBar.h"
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#include "LoginDialog.h"
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#include "Resource.h"
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#include "ExplorerBarWindow.h"
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#include "ExplorerPlugin.h"
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// MFC Debugging
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#if 0
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#pragma mark == Constants ==
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#endif
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//===========================================================================================================================
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// Constants
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//===========================================================================================================================
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// Control IDs
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#define IDC_EXPLORER_TREE 1234
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// Private Messages
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#define WM_PRIVATE_SERVICE_EVENT ( WM_USER + 0x100 )
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// TXT records
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#define kTXTRecordKeyPath "path"
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// IE Icon resource
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#define kIEIconResource 32529
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#if 0
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#pragma mark == Prototypes ==
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#endif
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//===========================================================================================================================
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// Prototypes
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//===========================================================================================================================
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DEBUG_LOCAL int FindServiceArrayIndex( const ServiceInfoArray &inArray, const ServiceInfo &inService, int &outIndex );
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#if 0
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#pragma mark == Message Map ==
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#endif
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//===========================================================================================================================
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// Message Map
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//===========================================================================================================================
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BEGIN_MESSAGE_MAP( ExplorerBarWindow, CWnd )
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ON_WM_CREATE()
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ON_WM_DESTROY()
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ON_WM_SIZE()
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ON_NOTIFY( NM_DBLCLK, IDC_EXPLORER_TREE, OnDoubleClick )
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ON_MESSAGE( WM_PRIVATE_SERVICE_EVENT, OnServiceEvent )
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END_MESSAGE_MAP()
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#if 0
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#pragma mark -
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#endif
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//===========================================================================================================================
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// ExplorerBarWindow
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//===========================================================================================================================
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ExplorerBarWindow::ExplorerBarWindow( void )
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{
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mOwner = NULL;
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mResolveServiceRef = NULL;
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}
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//===========================================================================================================================
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// ~ExplorerBarWindow
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//===========================================================================================================================
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ExplorerBarWindow::~ExplorerBarWindow( void )
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{
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//
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}
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#if 0
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#pragma mark -
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#endif
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//===========================================================================================================================
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// OnCreate
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//===========================================================================================================================
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int ExplorerBarWindow::OnCreate( LPCREATESTRUCT inCreateStruct )
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{
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AFX_MANAGE_STATE( AfxGetStaticModuleState() );
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HINSTANCE module = NULL;
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OSStatus err;
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CRect rect;
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CBitmap bitmap;
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CString s;
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err = CWnd::OnCreate( inCreateStruct );
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require_noerr( err, exit );
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GetClientRect( rect );
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mTree.Create( WS_TABSTOP | WS_VISIBLE | WS_CHILD | TVS_HASBUTTONS | TVS_LINESATROOT | TVS_NOHSCROLL , rect, this,
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IDC_EXPLORER_TREE );
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ServiceHandlerEntry * e;
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s.LoadString( IDS_ABOUT );
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m_about = mTree.InsertItem( s, 0, 0 );
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// Web Site Handler
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e = new ServiceHandlerEntry;
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check( e );
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e->type = "_http._tcp";
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e->urlScheme = "http://";
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e->ref = NULL;
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e->obj = this;
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e->needsLogin = false;
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mServiceHandlers.Add( e );
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err = DNSServiceBrowse( &e->ref, 0, 0, e->type, NULL, BrowseCallBack, e );
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require_noerr( err, exit );
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err = WSAAsyncSelect((SOCKET) DNSServiceRefSockFD(e->ref), m_hWnd, WM_PRIVATE_SERVICE_EVENT, FD_READ|FD_CLOSE);
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require_noerr( err, exit );
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m_serviceRefs.push_back(e->ref);
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#if defined( _BROWSE_FOR_HTTPS_ )
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e = new ServiceHandlerEntry;
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check( e );
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e->type = "_https._tcp";
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e->urlScheme = "https://";
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e->ref = NULL;
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e->obj = this;
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e->needsLogin = false;
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mServiceHandlers.Add( e );
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err = DNSServiceBrowse( &e->ref, 0, 0, e->type, NULL, BrowseCallBack, e );
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require_noerr( err, exit );
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err = WSAAsyncSelect((SOCKET) DNSServiceRefSockFD(e->ref), m_hWnd, WM_PRIVATE_SERVICE_EVENT, FD_READ|FD_CLOSE);
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require_noerr( err, exit );
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m_serviceRefs.push_back(e->ref);
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#endif
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m_imageList.Create( 16, 16, ILC_MASK | ILC_COLOR16, 2, 0);
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bitmap.Attach( ::LoadBitmap( GetNonLocalizedResources(), MAKEINTRESOURCE( IDB_LOGO ) ) );
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m_imageList.Add( &bitmap, (CBitmap*) NULL );
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bitmap.Detach();
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mTree.SetImageList(&m_imageList, TVSIL_NORMAL);
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exit:
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if ( module )
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{
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FreeLibrary( module );
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module = NULL;
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}
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// Cannot talk to the mDNSResponder service. Show the error message and exit (with kNoErr so they can see it).
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if ( err )
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{
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if ( err == kDNSServiceErr_Firewall )
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{
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s.LoadString( IDS_FIREWALL );
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}
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else
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{
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s.LoadString( IDS_MDNSRESPONDER_NOT_AVAILABLE );
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}
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mTree.DeleteAllItems();
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mTree.InsertItem( s, 0, 0, TVI_ROOT, TVI_LAST );
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err = kNoErr;
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}
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return( err );
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}
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//===========================================================================================================================
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// OnDestroy
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//===========================================================================================================================
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void ExplorerBarWindow::OnDestroy( void )
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{
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// Stop any resolves that may still be pending (shouldn't be any).
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StopResolve();
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// Clean up the extant browses
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while (m_serviceRefs.size() > 0)
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{
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//
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// take the head of the list
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//
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DNSServiceRef ref = m_serviceRefs.front();
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//
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// Stop will remove it from the list
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//
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Stop( ref );
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}
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// Clean up the service handlers.
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int i;
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int n;
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n = (int) mServiceHandlers.GetSize();
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for( i = 0; i < n; ++i )
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{
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delete mServiceHandlers[ i ];
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}
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CWnd::OnDestroy();
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}
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//===========================================================================================================================
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// OnSize
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//===========================================================================================================================
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void ExplorerBarWindow::OnSize( UINT inType, int inX, int inY )
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{
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CWnd::OnSize( inType, inX, inY );
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mTree.MoveWindow( 0, 0, inX, inY );
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}
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//===========================================================================================================================
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// OnDoubleClick
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//===========================================================================================================================
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void ExplorerBarWindow::OnDoubleClick( NMHDR *inNMHDR, LRESULT *outResult )
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{
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HTREEITEM item;
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ServiceInfo * service;
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OSStatus err;
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DEBUG_UNUSED( inNMHDR );
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item = mTree.GetSelectedItem();
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require( item, exit );
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// Tell Internet Explorer to go to the URL if it's about item
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if ( item == m_about )
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{
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CString url;
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check( mOwner );
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url.LoadString( IDS_ABOUT_URL );
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mOwner->GoToURL( url );
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}
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else
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{
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service = reinterpret_cast < ServiceInfo * > ( mTree.GetItemData( item ) );
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require_quiet( service, exit );
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err = StartResolve( service );
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require_noerr( err, exit );
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}
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exit:
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*outResult = 0;
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}
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//===========================================================================================================================
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// OnServiceEvent
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//===========================================================================================================================
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LRESULT
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ExplorerBarWindow::OnServiceEvent(WPARAM inWParam, LPARAM inLParam)
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{
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if (WSAGETSELECTERROR(inLParam) && !(HIWORD(inLParam)))
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{
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dlog( kDebugLevelError, "OnServiceEvent: window error\n" );
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}
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else
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{
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SOCKET sock = (SOCKET) inWParam;
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// iterate thru list
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ServiceRefList::iterator it;
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for (it = m_serviceRefs.begin(); it != m_serviceRefs.end(); it++)
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{
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DNSServiceRef ref = *it;
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check(ref != NULL);
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if ((SOCKET) DNSServiceRefSockFD(ref) == sock)
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{
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DNSServiceErrorType err;
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err = DNSServiceProcessResult(ref);
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if (err != 0)
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{
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CString s;
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s.LoadString( IDS_MDNSRESPONDER_NOT_AVAILABLE );
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mTree.DeleteAllItems();
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mTree.InsertItem( s, 0, 0, TVI_ROOT, TVI_LAST );
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Stop(ref);
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}
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break;
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}
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}
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}
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return ( 0 );
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}
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#if 0
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#pragma mark -
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#endif
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//===========================================================================================================================
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// BrowseCallBack
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//===========================================================================================================================
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void DNSSD_API
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ExplorerBarWindow::BrowseCallBack(
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DNSServiceRef inRef,
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DNSServiceFlags inFlags,
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uint32_t inInterfaceIndex,
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DNSServiceErrorType inErrorCode,
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const char * inName,
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const char * inType,
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const char * inDomain,
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void * inContext )
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{
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ServiceHandlerEntry * obj;
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ServiceInfo * service;
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OSStatus err;
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DEBUG_UNUSED( inRef );
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obj = NULL;
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service = NULL;
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require_noerr( inErrorCode, exit );
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obj = reinterpret_cast < ServiceHandlerEntry * > ( inContext );
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check( obj );
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check( obj->obj );
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//
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// set the UI to hold off on updates
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//
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obj->obj->mTree.SetRedraw(FALSE);
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try
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{
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service = new ServiceInfo;
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require_action( service, exit, err = kNoMemoryErr );
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err = UTF8StringToStringObject( inName, service->displayName );
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check_noerr( err );
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service->name = _strdup( inName );
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require_action( service->name, exit, err = kNoMemoryErr );
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service->type = _strdup( inType );
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require_action( service->type, exit, err = kNoMemoryErr );
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service->domain = _strdup( inDomain );
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require_action( service->domain, exit, err = kNoMemoryErr );
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service->ifi = inInterfaceIndex;
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service->handler = obj;
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service->refs = 1;
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if (inFlags & kDNSServiceFlagsAdd) obj->obj->OnServiceAdd (service);
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else obj->obj->OnServiceRemove(service);
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service = NULL;
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}
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catch( ... )
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{
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dlog( kDebugLevelError, "BrowseCallBack: exception thrown\n" );
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}
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exit:
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//
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// If no more coming, then update UI
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//
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if (obj && obj->obj && ((inFlags & kDNSServiceFlagsMoreComing) == 0))
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{
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obj->obj->mTree.SetRedraw(TRUE);
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obj->obj->mTree.Invalidate();
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}
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if( service )
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{
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delete service;
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}
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}
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//===========================================================================================================================
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// OnServiceAdd
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//===========================================================================================================================
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LONG ExplorerBarWindow::OnServiceAdd( ServiceInfo * service )
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{
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ServiceHandlerEntry * handler;
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int cmp;
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int index;
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check( service );
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handler = service->handler;
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check( handler );
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cmp = FindServiceArrayIndex( handler->array, *service, index );
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if( cmp == 0 )
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{
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// Found a match so update the item. The index is index + 1 so subtract 1.
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index -= 1;
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check( index < handler->array.GetSize() );
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handler->array[ index ]->refs++;
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delete service;
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}
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else
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{
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HTREEITEM afterItem;
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// Insert the new item in sorted order.
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afterItem = ( index > 0 ) ? handler->array[ index - 1 ]->item : m_about;
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handler->array.InsertAt( index, service );
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service->item = mTree.InsertItem( service->displayName, 0, 0, NULL, afterItem );
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mTree.SetItemData( service->item, (DWORD_PTR) service );
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}
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return( 0 );
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}
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//===========================================================================================================================
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// OnServiceRemove
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//===========================================================================================================================
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LONG ExplorerBarWindow::OnServiceRemove( ServiceInfo * service )
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{
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ServiceHandlerEntry * handler;
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int cmp;
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int index;
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check( service );
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handler = service->handler;
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check( handler );
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// Search to see if we know about this service instance. If so, remove it from the list.
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cmp = FindServiceArrayIndex( handler->array, *service, index );
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check( cmp == 0 );
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if( cmp == 0 )
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{
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// Possibly found a match remove the item. The index
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// is index + 1 so subtract 1.
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index -= 1;
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check( index < handler->array.GetSize() );
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if ( --handler->array[ index ]->refs == 0 )
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{
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mTree.DeleteItem( handler->array[ index ]->item );
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delete handler->array[ index ];
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handler->array.RemoveAt( index );
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}
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}
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delete service;
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return( 0 );
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}
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#if 0
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#pragma mark -
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#endif
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//===========================================================================================================================
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// StartResolve
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//===========================================================================================================================
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OSStatus ExplorerBarWindow::StartResolve( ServiceInfo *inService )
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{
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OSStatus err;
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check( inService );
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// Stop any current resolve that may be in progress.
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StopResolve();
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// Resolve the service.
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err = DNSServiceResolve( &mResolveServiceRef, 0, 0,
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inService->name, inService->type, inService->domain, (DNSServiceResolveReply) ResolveCallBack, inService->handler );
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require_noerr( err, exit );
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err = WSAAsyncSelect((SOCKET) DNSServiceRefSockFD(mResolveServiceRef), m_hWnd, WM_PRIVATE_SERVICE_EVENT, FD_READ|FD_CLOSE);
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require_noerr( err, exit );
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m_serviceRefs.push_back(mResolveServiceRef);
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exit:
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return( err );
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}
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|
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//===========================================================================================================================
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// StopResolve
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//===========================================================================================================================
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void ExplorerBarWindow::StopResolve( void )
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{
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if( mResolveServiceRef )
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{
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Stop( mResolveServiceRef );
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mResolveServiceRef = NULL;
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}
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}
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|
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//===========================================================================================================================
|
|
// ResolveCallBack
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//===========================================================================================================================
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|
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void DNSSD_API
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|
ExplorerBarWindow::ResolveCallBack(
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DNSServiceRef inRef,
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DNSServiceFlags inFlags,
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uint32_t inInterfaceIndex,
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DNSServiceErrorType inErrorCode,
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const char * inFullName,
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const char * inHostName,
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uint16_t inPort,
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uint16_t inTXTSize,
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const char * inTXT,
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void * inContext )
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|
{
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ExplorerBarWindow * obj;
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ServiceHandlerEntry * handler;
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OSStatus err;
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DEBUG_UNUSED( inRef );
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DEBUG_UNUSED( inFlags );
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DEBUG_UNUSED( inErrorCode );
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DEBUG_UNUSED( inFullName );
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require_noerr( inErrorCode, exit );
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handler = (ServiceHandlerEntry *) inContext;
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check( handler );
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obj = handler->obj;
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check( obj );
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|
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try
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{
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|
ResolveInfo * resolve;
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int idx;
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dlog( kDebugLevelNotice, "resolved %s on ifi %d to %s\n", inFullName, inInterfaceIndex, inHostName );
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|
|
// Stop resolving after the first good result.
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|
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obj->StopResolve();
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|
|
// Post a message to the main thread so it can handle it since MFC is not thread safe.
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|
|
|
resolve = new ResolveInfo;
|
|
require_action( resolve, exit, err = kNoMemoryErr );
|
|
|
|
UTF8StringToStringObject( inHostName, resolve->host );
|
|
|
|
// rdar://problem/3841564
|
|
//
|
|
// strip trailing dot from hostname because some flavors of Windows
|
|
// have trouble parsing it.
|
|
|
|
idx = resolve->host.ReverseFind('.');
|
|
|
|
if ((idx > 1) && ((resolve->host.GetLength() - 1) == idx))
|
|
{
|
|
resolve->host.Delete(idx, 1);
|
|
}
|
|
|
|
resolve->port = ntohs( inPort );
|
|
resolve->ifi = inInterfaceIndex;
|
|
resolve->handler = handler;
|
|
|
|
err = resolve->txt.SetData( inTXT, inTXTSize );
|
|
check_noerr( err );
|
|
|
|
obj->OnResolve(resolve);
|
|
}
|
|
catch( ... )
|
|
{
|
|
dlog( kDebugLevelError, "ResolveCallBack: exception thrown\n" );
|
|
}
|
|
|
|
exit:
|
|
return;
|
|
}
|
|
|
|
//===========================================================================================================================
|
|
// OnResolve
|
|
//===========================================================================================================================
|
|
|
|
LONG ExplorerBarWindow::OnResolve( ResolveInfo * resolve )
|
|
{
|
|
CString url;
|
|
uint8_t * path;
|
|
uint8_t pathSize;
|
|
char * pathPrefix;
|
|
CString username;
|
|
CString password;
|
|
|
|
|
|
check( resolve );
|
|
|
|
// Get login info if needed.
|
|
|
|
if( resolve->handler->needsLogin )
|
|
{
|
|
LoginDialog dialog;
|
|
|
|
if( !dialog.GetLogin( username, password ) )
|
|
{
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
// If the HTTP TXT record is a "path=" entry, use it as the resource path. Otherwise, use "/".
|
|
|
|
pathPrefix = "";
|
|
if( strcmp( resolve->handler->type, "_http._tcp" ) == 0 )
|
|
{
|
|
uint8_t * txtData;
|
|
uint16_t txtLen;
|
|
|
|
resolve->txt.GetData( &txtData, &txtLen );
|
|
|
|
path = (uint8_t*) TXTRecordGetValuePtr(txtLen, txtData, kTXTRecordKeyPath, &pathSize);
|
|
|
|
if (path == NULL)
|
|
{
|
|
path = (uint8_t*) "";
|
|
pathSize = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
path = (uint8_t *) "";
|
|
pathSize = 1;
|
|
}
|
|
|
|
// Build the URL in the following format:
|
|
//
|
|
// <urlScheme>[<username>[:<password>]@]<name/ip>[<path>]
|
|
|
|
url.AppendFormat( TEXT( "%S" ), resolve->handler->urlScheme ); // URL Scheme
|
|
if( username.GetLength() > 0 )
|
|
{
|
|
url.AppendFormat( TEXT( "%s" ), username ); // Username
|
|
if( password.GetLength() > 0 )
|
|
{
|
|
url.AppendFormat( TEXT( ":%s" ), password ); // Password
|
|
}
|
|
url.AppendFormat( TEXT( "@" ) );
|
|
}
|
|
|
|
url += resolve->host; // Host
|
|
url.AppendFormat( TEXT( ":%d" ), resolve->port ); // :Port
|
|
url.AppendFormat( TEXT( "%S" ), pathPrefix ); // Path Prefix ("/" or empty).
|
|
url.AppendFormat( TEXT( "%.*S" ), (int) pathSize, (char *) path ); // Path (possibly empty).
|
|
|
|
// Tell Internet Explorer to go to the URL.
|
|
|
|
check( mOwner );
|
|
mOwner->GoToURL( url );
|
|
|
|
exit:
|
|
delete resolve;
|
|
return( 0 );
|
|
}
|
|
|
|
//===========================================================================================================================
|
|
// Stop
|
|
//===========================================================================================================================
|
|
void ExplorerBarWindow::Stop( DNSServiceRef ref )
|
|
{
|
|
m_serviceRefs.remove( ref );
|
|
|
|
WSAAsyncSelect(DNSServiceRefSockFD( ref ), m_hWnd, WM_PRIVATE_SERVICE_EVENT, 0);
|
|
|
|
DNSServiceRefDeallocate( ref );
|
|
}
|
|
|
|
|
|
#if 0
|
|
#pragma mark -
|
|
#endif
|
|
|
|
//===========================================================================================================================
|
|
// FindServiceArrayIndex
|
|
//===========================================================================================================================
|
|
|
|
DEBUG_LOCAL int FindServiceArrayIndex( const ServiceInfoArray &inArray, const ServiceInfo &inService, int &outIndex )
|
|
{
|
|
int result;
|
|
int lo;
|
|
int hi;
|
|
int mid;
|
|
|
|
result = -1;
|
|
mid = 0;
|
|
lo = 0;
|
|
hi = (int)( inArray.GetSize() - 1 );
|
|
while( lo <= hi )
|
|
{
|
|
mid = ( lo + hi ) / 2;
|
|
result = inService.displayName.CompareNoCase( inArray[ mid ]->displayName );
|
|
#if 0
|
|
if( result == 0 )
|
|
{
|
|
result = ( (int) inService.ifi ) - ( (int) inArray[ mid ]->ifi );
|
|
}
|
|
#endif
|
|
if( result == 0 )
|
|
{
|
|
break;
|
|
}
|
|
else if( result < 0 )
|
|
{
|
|
hi = mid - 1;
|
|
}
|
|
else
|
|
{
|
|
lo = mid + 1;
|
|
}
|
|
}
|
|
if( result == 0 )
|
|
{
|
|
mid += 1; // Bump index so new item is inserted after matching item.
|
|
}
|
|
else if( result > 0 )
|
|
{
|
|
mid += 1;
|
|
}
|
|
outIndex = mid;
|
|
return( result );
|
|
}
|