WizardConnectionPage.cpp

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//
// WizardConnectionPage.cpp
//
// Copyright (c) Shareaza Development Team, 2002-2005.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza is free software; you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Shareaza is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#include "StdAfx.h"
#include "Shareaza.h"
#include "Settings.h"
#include "Network.h"
#include "WizardSheet.h"
#include "WizardConnectionPage.h"
#include "UploadQueues.h"
#include "Skin.h"
#include "DlgHelp.h"
#include "HostCache.h"
#include "DiscoveryServices.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

IMPLEMENT_DYNCREATE(CWizardConnectionPage, CWizardPage)

BEGIN_MESSAGE_MAP(CWizardConnectionPage, CWizardPage)
        //{{AFX_MSG_MAP(CWizardConnectionPage)
        ON_CBN_SELCHANGE(IDC_CONNECTION_TYPE, OnSelChangeConnectionType)
        ON_CBN_EDITCHANGE(IDC_CONNECTION_SPEED, OnEditChangeConnectionSpeed)
        ON_CBN_SELCHANGE(IDC_CONNECTION_SPEED, OnSelChangeConnectionSpeed)
        ON_CBN_SELCHANGE(IDC_CONNECTION_GROUP, OnSelChangeConnectionGroup)
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()


// CWizardConnectionPage property page

CWizardConnectionPage::CWizardConnectionPage() : CWizardPage(CWizardConnectionPage::IDD)
{
        //{{AFX_DATA_INIT(CWizardConnectionPage)
        //}}AFX_DATA_INIT
}

CWizardConnectionPage::~CWizardConnectionPage()
{
}

void CWizardConnectionPage::DoDataExchange(CDataExchange* pDX)
{
        CPropertyPage::DoDataExchange(pDX);
        //{{AFX_DATA_MAP(CWizardConnectionPage)
        DDX_Control(pDX, IDC_CONNECTION_LAN_SELECT, m_wndLanSelect);
        DDX_Control(pDX, IDC_CONNECTION_LAN_LABEL, m_wndLanLabel);
        DDX_Control(pDX, IDC_CONNECTION_HOME_SELECT, m_wndHomeSelect);
        DDX_Control(pDX, IDC_CONNECTION_HOME_LABEL, m_wndHomeLabel);
        DDX_Control(pDX, IDC_CONNECTION_GROUP, m_wndGroup);
        DDX_Control(pDX, IDC_CONNECTION_SPEED, m_wndSpeed);
        DDX_Control(pDX, IDC_CONNECTION_TYPE, m_wndType);
        //}}AFX_DATA_MAP
}

// CWizardConnectionPage message handlers

BOOL CWizardConnectionPage::OnInitDialog() 
{
        CPropertyPage::OnInitDialog();
        
        Skin.Apply( _T("CWizardConnectionPage"), this );
        
        m_wndGroup.SetCurSel( 0 );
        
        m_wndType.SetItemData( 0, 0 );
        m_wndType.SetItemData( 1, 56 );         // Dial up Modem;
        m_wndType.SetItemData( 2, 128 );        // ISDN
        m_wndType.SetItemData( 3, 256);         // ADSL (256K)
        m_wndType.SetItemData( 4, 512);         // ADSL (512K)
        m_wndType.SetItemData( 5, 768);         // ADSL (768K)
        m_wndType.SetItemData( 6, 1536 );       // ADSL (1.5M)
        m_wndType.SetItemData( 7, 4096 );       // ADSL (4.0M)
        m_wndType.SetItemData( 8, 8192 );       // ADSL2 (8.0M)
        m_wndType.SetItemData( 9, 12288 );      // ADSL2 (12.0M)
        m_wndType.SetItemData(10, 24576 );      // ADSL2+ (24.0M)
        m_wndType.SetItemData(11, 1550 );       // Cable Modem/SDSL
        m_wndType.SetItemData(12, 1544 );       // T1
        m_wndType.SetItemData(13, 45000 );      // T3
        m_wndType.SetItemData(14, 100000 );     // LAN
        m_wndType.SetItemData(15, 155000 );     // OC3
        //; Dial up Modem; ISDN; ADSL (256K); ADSL (512K); ADSL (768K); ADSL (1.5M); ADSL (4.0M); ADSL2 (8.0M); ADSL2 (12.0M); ADSL2+ (24.0M); Cable Modem/SDSL; T1; T3; LAN; OC3;
        
        CString strSpeed;
        strSpeed.Format( _T(" %lu.0 kbps"), Settings.Connection.InSpeed );
        m_wndSpeed.SetWindowText( strSpeed );

        //; 28.8 kbps; 33.6 kbps; 56.6 kbps; 64.0 kbps; 128 kbps; 256 kbps; 384 kbps; 512 kbps; 1024 kbps; 1536 kbps; 2048 kbps; 3072 kbps; 4096 kbps; 5120 kbps; 8192 kbps; 12288 kbps;
        
        return TRUE;
}

BOOL CWizardConnectionPage::OnSetActive() 
{
        SetWizardButtons( PSWIZB_BACK | PSWIZB_NEXT );
        return CWizardPage::OnSetActive();
}

void CWizardConnectionPage::OnSelChangeConnectionGroup() 
{
        int nGroup = m_wndGroup.GetCurSel();
        
        m_wndHomeLabel.ShowWindow( nGroup == 1 ? SW_SHOW : SW_HIDE );
        m_wndHomeSelect.ShowWindow( nGroup == 1 ? SW_SHOW : SW_HIDE );
        m_wndLanLabel.ShowWindow( nGroup > 1 ? SW_SHOW : SW_HIDE );
        m_wndLanSelect.ShowWindow( nGroup > 1 ? SW_SHOW : SW_HIDE );
        
        m_wndHomeSelect.SetCurSel( 2 );
        m_wndLanSelect.SetCurSel( nGroup == 2 ? 0 : 1 );
        
        m_wndSpeed.SetWindowText( _T("") );
        m_wndSpeed.SetCurSel( -1 );
        m_wndSpeed.EnableWindow( FALSE );
        m_wndType.EnableWindow( TRUE );
        m_wndType.SetCurSel( nGroup == 1 ? 1 : 8 );
}

void CWizardConnectionPage::OnSelChangeConnectionType() 
{
        m_wndSpeed.EnableWindow( m_wndType.GetCurSel() < 1 );
        if ( m_wndType.GetCurSel() > 0 ) m_wndSpeed.SetWindowText( _T("") );
}

void CWizardConnectionPage::OnEditChangeConnectionSpeed()
{
        CString strSpeed;
        m_wndSpeed.GetWindowText( strSpeed );
        m_wndType.EnableWindow( strSpeed.IsEmpty() );
        if ( strSpeed.GetLength() ) m_wndType.SetCurSel( -1 );
}

void CWizardConnectionPage::OnSelChangeConnectionSpeed()
{
        m_wndType.EnableWindow( m_wndSpeed.GetCurSel() < 1 );
        if ( m_wndSpeed.GetCurSel() > 0 ) m_wndType.SetCurSel( -1 );
}

LRESULT CWizardConnectionPage::OnWizardNext() 
{
        if ( GetAsyncKeyState( VK_SHIFT ) & 0x8000 ) return 0;
        
        int nGroup = m_wndGroup.GetCurSel();
        
        if ( nGroup <= 0 )
        {
                CString strMessage;
                LoadString( strMessage, IDS_WIZARD_NEED_CONNECTION );
                AfxMessageBox( strMessage, MB_ICONEXCLAMATION );
                return -1;
        }
        else if ( nGroup == 1 )
        {
                CString strFormat, strMessage;
                
                switch ( m_wndHomeSelect.GetCurSel() )
                {
                case 0:
                        Settings.Connection.FirewallStatus      = CONNECTION_OPEN;
                        if ( Settings.Connection.InPort == 6346 )
                                Settings.Connection.InPort      = Network.RandomPort();
                        break;
                case 1:
                        Settings.Connection.FirewallStatus      = CONNECTION_OPEN;
                        // Settings.Connection.InPort           = 6346;
                        LoadString( strFormat, IDS_WIZARD_PORT_FORWARD );
                        strMessage.Format( strFormat, Settings.Connection.InPort );
                        AfxMessageBox( strMessage, MB_ICONINFORMATION );
                        break;
                case 2:
                        Settings.Connection.FirewallStatus      = CONNECTION_FIREWALLED;
                        Settings.Connection.InPort                      = 6346;
                        break;
                case 3:
                        Settings.Connection.FirewallStatus      = CONNECTION_AUTO;
                        Settings.Connection.InPort                      = 6346;
                        break;
                }
        }
        else
        {
                switch ( m_wndLanSelect.GetCurSel() )
                {
                case 0:
                        Settings.Connection.FirewallStatus      = CONNECTION_OPEN;
                        if ( Settings.Connection.InPort == 6346 )
                                Settings.Connection.InPort      = Network.RandomPort();
                        break;
                case 1:
                        Settings.Connection.FirewallStatus      = CONNECTION_FIREWALLED;
                        Settings.Connection.InPort                      = 6346;
                        break;
                case 2:
                        Settings.Connection.FirewallStatus      = CONNECTION_AUTO;
                        Settings.Connection.InPort                      = 6346;
                        break;
                }
        }
        
        int nIndex      = m_wndType.GetCurSel();
        int nSpeed      = 0;
        
        if ( nIndex > 0 )
        {
                nSpeed = m_wndType.GetItemData( nIndex );
        }
        else
        {
                CString strSpeed;
                m_wndSpeed.GetWindowText( strSpeed );
                
                if ( _stscanf( strSpeed, _T("%lu"), &nSpeed ) != 1 || nSpeed <= 0 )
                {
                        LoadString( strSpeed, IDS_WIZARD_NEED_SPEED );
                        AfxMessageBox( strSpeed, MB_ICONEXCLAMATION );
                        return -1;
                }
        }
        
        Settings.Connection.InSpeed             = nSpeed;

        if( nSpeed <= 56 )                                                              // Dial up modem
                Settings.Connection.OutSpeed = 32;
        else if( nSpeed <= 128 )                                                // ISDN
                Settings.Connection.OutSpeed = nSpeed;
        else if( nSpeed == 384 )                                                // 384/128 DSL (Europe)
                Settings.Connection.OutSpeed = 128;
        else if( nSpeed <= 700 )                                                // ADSL (4:1)
                Settings.Connection.OutSpeed = nSpeed / 4;
        else if( nSpeed <  1544 )                                               // ADSL (6:1)
                Settings.Connection.OutSpeed = nSpeed / 6;
        else if( nSpeed == 1544 )                                               // T1 (1:1)
                Settings.Connection.OutSpeed = nSpeed;
        else if( nSpeed <= 4000 )                                               // Cable (2:1)
                Settings.Connection.OutSpeed = nSpeed / 2;
        else if( nSpeed <= 8192 )                                               // ADSL2 (8:1)
                Settings.Connection.OutSpeed = nSpeed / 8;
        else if( nSpeed <= 12288 )                                              // ADSL2 (10:1)
                Settings.Connection.OutSpeed = nSpeed / 10;
        else if( nSpeed <= 24576 )                                              // ADSL2+ (12:1)
                Settings.Connection.OutSpeed = nSpeed / 12;
        else                                                                                    // High capacity lines. (LAN, etc)
                Settings.Connection.OutSpeed = nSpeed;

        // Set upload limit to 90% of capacity, trimmed down to the nearest KB. (Usually works out at ~85% total)
        Settings.Bandwidth.Uploads = (DWORD)( Settings.Connection.OutSpeed * 0.9 );
        Settings.Bandwidth.Uploads >>= 3;
        Settings.Bandwidth.Uploads *= 1024;
        
        if ( nSpeed > 750 )
        {
                Settings.Gnutella2.NumPeers = max( Settings.Gnutella2.NumPeers, 4 );
        }
        
        Settings.eDonkey.MaxLinks = ( nSpeed < 100 || ! theApp.m_bNT ) ? 35 : 250;
        
        if ( nSpeed > 2500 && theApp.m_bNT && ( !theApp.m_bLimitedConnections || Settings.General.IgnoreXPsp2 ) )
        {       // Very high capacity connection
                Settings.Downloads.MaxFiles                             = 32;
                Settings.Downloads.MaxTransfers                 = 200;
                Settings.Downloads.MaxFileTransfers             = 32;
                Settings.Downloads.MaxConnectingSources = 32;
                Settings.Downloads.MaxFileSearches              = 3;

                Settings.Gnutella2.NumLeafs                             = 400; //Can probably support more leaves
                Settings.BitTorrent.DownloadTorrents    = 4;    // Should be able to handle several torrents
        }
        else if ( nSpeed > 768 && theApp.m_bNT )
        {       // Fast broadband
                Settings.Downloads.MaxFiles                             = 26;
                Settings.Downloads.MaxTransfers                 = 100;
                Settings.Downloads.MaxFileTransfers             = 10;
                Settings.Downloads.MaxConnectingSources = 28;
                Settings.Downloads.MaxFileSearches              = 2;
        }
        else if ( nSpeed > 256 && theApp.m_bNT )
        {       // Slower broadband
                Settings.Downloads.MaxFiles                             = 20;
                Settings.Downloads.MaxTransfers                 = 64;
                Settings.Downloads.MaxFileTransfers             = 8;
                Settings.Downloads.MaxConnectingSources = 24;
                Settings.Downloads.MaxFileSearches              = 1;
                Settings.Search.GeneralThrottle                 = 250;
        }
        else if ( nSpeed > 80 && theApp.m_bNT )
        {       // IDSN, Dual modems, etc
                Settings.Downloads.MaxFiles                             = 14;
                Settings.Downloads.MaxTransfers                 = 32;
                Settings.Downloads.MaxFileTransfers             = 6;
                Settings.Downloads.MaxConnectingSources = 20;
                Settings.Downloads.MaxFileSearches              = 0;
                Settings.Search.GeneralThrottle                 = 250;  // Slow searches a little so we don't get flooded
        }
        else
        {       // Modem users / Win9x
                Settings.Downloads.MaxFiles                             = 8;
                Settings.Downloads.MaxTransfers                 = 24;
                Settings.Downloads.MaxFileTransfers             = 4;
                Settings.Downloads.MaxConnectingSources = 16;
                Settings.Downloads.MaxFileSearches              = 0;
                Settings.Downloads.SourcesWanted                = 200;  // Don't bother requesting so many sources
                Settings.Search.GeneralThrottle                 = 300;  // Slow searches a little so we don't get flooded

                Settings.BitTorrent.DownloadTorrents    = 1;    // Best not to try too many torrents
        }
        
        UploadQueues.CreateDefault();

        if ( ( theApp.m_bLimitedConnections ) && ( ! Settings.General.IgnoreXPsp2 ) ) 
        {       // Window XP Service Pack 2
                theApp.Message( MSG_ERROR, _T("Warning  - Windows XP Service Pack 2 detected. Performance may be reduced.") );
                Settings.Downloads.ConnectThrottle              = max( Settings.Downloads.ConnectThrottle, DWORD(800) );
                Settings.Connection.ConnectThrottle             = max( Settings.Connection.ConnectThrottle, DWORD(250) );
                Settings.Gnutella.ConnectFactor                 = min( Settings.Gnutella.ConnectFactor, DWORD(3) );
                Settings.Gnutella2.NumHubs                              = min( Settings.Gnutella2.NumHubs, 2 );
                Settings.Gnutella1.EnableAlways                 = FALSE;
                Settings.Gnutella1.EnableToday                  = FALSE;
                Settings.Downloads.MaxConnectingSources = 8;
                Settings.Connection.RequireForTransfers = TRUE;
                Settings.Connection.SlowConnect                 = TRUE;
                //Settings.Connection.TimeoutConnect    = 30000;
                //Settings.Connection.TimeoutHandshake  = 60000;

                CHelpDlg::Show( _T("GeneralHelp.XPsp2") );
        }

        // Update the G2 host cache (if necessary)
        if ( HostCache.Gnutella2.CountHosts() < 25 ) DiscoveryServices.QueryForHosts( PROTOCOL_G2 );

        // Load default ed2k server list (if necessary)
        if ( HostCache.eDonkey.CountHosts() < 8 ) HostCache.eDonkey.LoadDefaultED2KServers();
        
        return 0;
}

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