X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1949cd9c5c938b37559f25ff563a814c111bb5ff..a0b4c98b8aed2e0006d75adc158f526018650dba:/src/unix/net.cpp diff --git a/src/unix/net.cpp b/src/unix/net.cpp deleted file mode 100644 index 04369bb929..0000000000 --- a/src/unix/net.cpp +++ /dev/null @@ -1,379 +0,0 @@ -// -*- c++ -*- /////////////////////////////////////////////////////////////// -// Name: unix/net.cpp -// Purpose: Network related wxWindows classes and functions -// Author: Karsten Ballüder -// Modified by: -// Created: 03.10.99 -// RCS-ID: $Id$ -// Copyright: (c) Karsten Ballüder -// Licence: wxWindows licence -///////////////////////////////////////////////////////////////////////////// - -#include "wx/setup.h" - -#if wxUSE_DIALUP_MANAGER - -#ifndef WX_PRECOMP -# include "wx/defs.h" -#endif // !PCH - -#include "wx/string.h" -#include "wx/event.h" -#include "wx/net.h" -#include "wx/timer.h" -#include "wx/filefn.h" -#include "wx/utils.h" -#include "wx/log.h" - -#include - -#include -#include -#include -#define __STRICT_ANSI__ -#include -#include -#include -#include - -// ---------------------------------------------------------------------------- -// A class which groups functions dealing with connecting to the network from a -// workstation using dial-up access to the net. There is at most one instance -// of this class in the program accessed via GetDialUpManager(). -// ---------------------------------------------------------------------------- - -/* TODO - * - * 1. more configurability for Unix: i.e. how to initiate the connection, how - * to check for online status, &c. - * 2. add a "long Dial(long connectionId = -1)" function which asks the user - * about which connection to dial (this may be done using native dialogs - * under NT, need generic dialogs for all others) and returns the identifier - * of the selected connection (it's opaque to the application) - it may be - * reused later to dial the same connection later (or use strings instead of - * longs may be?) - * 3. add an async version of dialing functions which notify the caller about - * the progress (or may be even start another thread to monitor it) - * 4. the static creation/accessor functions are not MT-safe - but is this - * really crucial? I think we may suppose they're always called from the - * main thread? - */ - -class WXDLLEXPORT wxDialUpManagerImpl : public wxDialUpManager -{ -public: - wxDialUpManagerImpl() - { - m_IsOnline = -1; // unknown - m_timer = NULL; - m_CanUseIfconfig = -1; // unknown - m_BeaconHost = WXDIALUP_MANAGER_DEFAULT_BEACONHOST; - m_BeaconPort = 80; - } - - /** Could the dialup manager be initialized correctly? If this function - returns FALSE, no other functions will work neither, so it's a good idea - to call this function and check its result before calling any other - wxDialUpManager methods. - */ - virtual bool IsOk() const - { return TRUE; } - - /** The simplest way to initiate a dial up: this function dials the given - ISP (exact meaning of the parameter depends on the platform), returns - TRUE on success or FALSE on failure and logs the appropriate error - message in the latter case. - @param nameOfISP optional paramater for dial program - @param username unused - @param password unused - */ - virtual bool Dial(const wxString& nameOfISP, - const wxString& WXUNUSED(username), - const wxString& WXUNUSED(password)); - - /// Hang up the currently active dial up connection. - virtual bool HangUp(); - - // returns TRUE if the computer is connected to the network: under Windows, - // this just means that a RAS connection exists, under Unix we check that - // the "well-known host" (as specified by SetWellKnownHost) is reachable - virtual bool IsOnline() const - { - if( (! m_timer) // we are not polling, so test now: - || m_IsOnline == -1 - ) - CheckStatus(); - return m_IsOnline != 0; - } - - // sometimes the built-in logic for determining the online status may fail, - // so, in general, the user should be allowed to override it. This function - // allows to forcefully set the online status - whatever our internal - // algorithm may think about it. - virtual void SetOnlineStatus(bool isOnline = TRUE) - { m_IsOnline = isOnline; } - - // set misc wxDialUpManager options - // -------------------------------- - - // enable automatical checks for the connection status and sending of - // wxEVT_DIALUP_CONNECTED/wxEVT_DIALUP_DISCONNECTED events. The interval - // parameter is only for Unix where we do the check manually: under - // Windows, the notification about the change of connection status is - // instantenous. - // - // Returns FALSE if couldn't set up automatic check for online status. - virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds); - - // disable automatic check for connection status change - notice that the - // wxEVT_DIALUP_XXX events won't be sent any more neither. - virtual void DisableAutoCheckOnlineStatus(); - - // under Unix, the value of well-known host is used to check whether we're - // connected to the internet. It's unused under Windows, but this function - // is always safe to call. The default value is www.yahoo.com. - virtual void SetWellKnownHost(const wxString& hostname, - int portno = 80); - /** Sets the commands to start up the network and to hang up - again. Used by the Unix implementations only. - */ - virtual void SetConnectCommand(const wxString &command, const wxString &hupcmd) - { m_ConnectCommand = command; m_HangUpCommand = hupcmd; } - -private: - /// -1: don´t know, 0 = no, 1 = yes - int m_IsOnline; - - /// Can we use ifconfig to list active devices? - int m_CanUseIfconfig; - /// The path to ifconfig - wxString m_IfconfigPath; - - /// beacon host: - wxString m_BeaconHost; - /// beacon host portnumber for connect: - int m_BeaconPort; - - /// command to connect to network - wxString m_ConnectCommand; - /// command to hang up - wxString m_HangUpCommand; - /// name of ISP - wxString m_ISPname; - /// a timer for regular testing - class AutoCheckTimer *m_timer; - - friend class AutoCheckTimer; - /// determine status - void CheckStatus(void) const; - - /// real status check - void CheckStatusInternal(void); -}; - - -class AutoCheckTimer : public wxTimer -{ -public: - AutoCheckTimer(wxDialUpManagerImpl *dupman) - { - m_dupman = dupman; - m_started = FALSE; - } - - virtual bool Start( int millisecs = -1 ) - { m_started = TRUE; return wxTimer::Start(millisecs, FALSE); } - - virtual void Notify() - { wxLogTrace("Checking dial up network status."); m_dupman->CheckStatus(); } - - virtual void Stop() - { if ( m_started ) wxTimer::Stop(); } -public: - bool m_started; - wxDialUpManagerImpl *m_dupman; -}; - -bool -wxDialUpManagerImpl::Dial(const wxString &isp, - const wxString & WXUNUSED(username), - const wxString & WXUNUSED(password)) -{ - if(m_IsOnline == 1) - return FALSE; - m_IsOnline = -1; - m_ISPname = isp; - wxString cmd; - if(m_ConnectCommand.Find("%s")) - cmd.Printf(m_ConnectCommand,m_ISPname.c_str()); - else - cmd = m_ConnectCommand; - return wxExecute(cmd, /* sync */ TRUE) == 0; -} - -bool -wxDialUpManagerImpl::HangUp(void) -{ - if(m_IsOnline == 0) - return FALSE; - m_IsOnline = -1; - wxString cmd; - if(m_HangUpCommand.Find("%s")) - cmd.Printf(m_HangUpCommand,m_ISPname.c_str()); - else - cmd = m_HangUpCommand; - return wxExecute(cmd, /* sync */ TRUE) == 0; -} - - -bool -wxDialUpManagerImpl::EnableAutoCheckOnlineStatus(size_t nSeconds) -{ - wxASSERT(m_timer == NULL); - m_timer = new AutoCheckTimer(this); - bool rc = m_timer->Start(nSeconds*1000); - if(! rc) - { - delete m_timer; - m_timer = NULL; - } - return rc; -} - -void -wxDialUpManagerImpl::DisableAutoCheckOnlineStatus() -{ - wxASSERT(m_timer != NULL); - m_timer->Stop(); - delete m_timer; - m_timer = NULL; -} - - -void -wxDialUpManagerImpl::SetWellKnownHost(const wxString& hostname, int portno) -{ - /// does hostname contain a port number? - wxString port = hostname.After(':'); - if(port.Length()) - { - m_BeaconHost = hostname.Before(':'); - m_BeaconPort = atoi(port); - } - else - { - m_BeaconHost = hostname; - m_BeaconPort = portno; - } -} - - -void -wxDialUpManagerImpl::CheckStatus(void) const -{ - // This function calls the CheckStatusInternal() helper function - // which is OS - specific and then sends the events. - - int oldIsOnline = m_IsOnline; - ( /* non-const */ (wxDialUpManagerImpl *)this)->CheckStatusInternal(); - - // now send the events as appropriate: - if(m_IsOnline != oldIsOnline) - { - if(m_IsOnline) - ; // send ev - else - ; // send ev - } -} - -/* - We have three methods that we can use: - - 1. test via /sbin/ifconfig and grep for "sl", "ppp", "pl" - --> should be fast enough for regular polling - 2. test if we can reach the well known beacon host - --> too slow for polling - 3. check /proc/net/dev on linux?? - This method should be preferred, if possible. Need to do more - testing. - -*/ - -void -wxDialUpManagerImpl::CheckStatusInternal(void) -{ - m_IsOnline = -1; - - // First time check for ifconfig location. We only use the variant - // which does not take arguments, a la GNU. - if(m_CanUseIfconfig == -1) // unknown - { - if(wxFileExists("/sbin/ifconfig")) - m_IfconfigPath = "/sbin/ifconfig"; - else if(wxFileExists("/usr/sbin/ifconfig")) - m_IfconfigPath = "/usr/sbin/ifconfig"; - } - - // Let´s try the ifconfig method first, should be fastest: - if(m_CanUseIfconfig != 0) // unknown or yes - { - wxASSERT(m_IfconfigPath.length()); - - wxString tmpfile = wxGetTempFileName("_wxdialuptest"); - wxString cmd = m_IfconfigPath; - cmd << " >" << tmpfile; - if(wxExecute(m_IfconfigPath,TRUE /* sync */) == 0) - { - m_CanUseIfconfig = 1; - wxString cmd1 = "grep ppp <"+tmpfile; // PPP - wxString cmd2 = "grep sl <"+tmpfile; // SLIP - wxString cmd3 = "grep pl <"+tmpfile; // PLIP - if(wxExecute(cmd1,TRUE) == 0 - || wxExecute(cmd2,TRUE) == 0 - || wxExecute(cmd3,TRUE) == 0 - ) - m_IsOnline = 1; - } - else // could not run ifconfig correctly - m_CanUseIfconfig = 0; // don´t try again - wxRemoveFile(tmpfile); - if(m_IsOnline != -1) // we are done - return; - } - - // second method: try to connect to well known host: - struct hostent *hp; - struct sockaddr_in serv_addr; - int sockfd; - - m_IsOnline = 0; // assume false - if((hp = gethostbyname(m_BeaconHost)) == NULL) - return; // no DNS no net - - serv_addr.sin_family = hp->h_addrtype; - memcpy(&serv_addr.sin_addr,hp->h_addr, hp->h_length); - serv_addr.sin_port = htons(m_BeaconPort); - if( ( sockfd = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0) - { - // sys_error("cannot create socket for gw"); - return; - } - if( connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) - { - //sys_error("cannot connect to server"); - return; - } - //connected! - close(sockfd); -} - - -/* static */ -wxDialUpManager * -wxDialUpManager::wxDialUpManager::Create(void) -{ - return new wxDialUpManagerImpl; -} - -#endif // wxUSE_DIALUP_MANAGER