// -*- c++ -*- ///////////////////////////////////////////////////////////////
// Name: unix/net.cpp
// Purpose: Network related wxWindows classes and functions
-// Author: Karsten Ballüder
+// Author: Karsten Ballüder
// Modified by:
// Created: 03.10.99
// RCS-ID: $Id$
-// Copyright: (c) Karsten Ballüder
+// Copyright: (c) Karsten Ballüder
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/event.h"
#include "wx/net.h"
#include "wx/timer.h"
-#include "wx/filefn.h"
+#include "wx/filename.h"
#include "wx/utils.h"
#include "wx/log.h"
+#include "wx/file.h"
#include <stdlib.h>
-
#include <signal.h>
#include <fcntl.h>
#include <unistd.h>
#define __STRICT_ANSI__
#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
wxDialUpManager methods.
*/
virtual bool IsOk() const
- { return TRUE; }
+ { 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
/// 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
// 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)
+ virtual void SetOnlineStatus(bool isOnline = true)
{ m_IsOnline = isOnline; }
// set misc wxDialUpManager options
{ m_ConnectCommand = command; m_HangUpCommand = hupcmd; }
private:
- /// -1: don´t know, 0 = no, 1 = yes
+ /// -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
AutoCheckTimer(wxDialUpManagerImpl *dupman)
{
m_dupman = dupman;
- m_started = FALSE;
+ m_started = false;
}
virtual bool Start( int millisecs = -1 )
- { m_started = TRUE; return wxTimer::Start(millisecs, FALSE); }
+ { m_started = true; return wxTimer::Start(millisecs, false); }
virtual void Notify()
{ wxLogTrace("Checking dial up network status."); m_dupman->CheckStatus(); }
const wxString & WXUNUSED(password))
{
if(m_IsOnline == 1)
- return FALSE;
+ return false;
m_IsOnline = -1;
m_ISPname = isp;
wxString cmd;
wxDialUpManagerImpl::HangUp(void)
{
if(m_IsOnline == 0)
- return FALSE;
+ return false;
m_IsOnline = -1;
wxString cmd;
if(m_HangUpCommand.Find("%s"))
bool rc = m_timer->Start(nSeconds*1000);
if(! rc)
{
- delete m_timer;
- m_timer = NULL;
+ wxDELETE(m_timer);
}
return rc;
}
{
wxASSERT(m_timer != NULL);
m_timer->Stop();
- delete m_timer;
- m_timer = NULL;
+ wxDELETE(m_timer);
}
{
/// does hostname contain a port number?
wxString port = hostname.After(':');
- if(port.Length())
+ if(port.empty())
{
- m_BeaconHost = hostname.Before(':');
- m_BeaconPort = atoi(port);
+ m_BeaconHost = hostname;
+ m_BeaconPort = portno;
}
else
{
- m_BeaconHost = hostname;
- m_BeaconPort = portno;
+ m_BeaconHost = hostname.Before(':');
+ m_BeaconPort = atoi(port);
}
}
3. check /proc/net/dev on linux??
This method should be preferred, if possible. Need to do more
testing.
-
+
*/
void
m_IfconfigPath = "/usr/sbin/ifconfig";
}
- // Let´s try the ifconfig method first, should be fastest:
+ wxLogNull ln; // suppress all error messages
+ // 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)
+ wxASSERT( !m_IfconfigPath.empty() );
+
+ wxString tmpfile = wxFileName::CreateTempFileName("_wxdialuptest");
+ wxString cmd = "/bin/sh -c \'";
+ cmd << m_IfconfigPath << " >" << tmpfile << '\'';
+ /* I tried to add an option to wxExecute() to not close stdout,
+ so we could let ifconfig write directly to the tmpfile, but
+ this does not work. That should be faster, as it doesn't call
+ the shell first. I have no idea why. :-( (KB) */
+#if 0
+ // temporarily redirect stdout/stderr:
+ int
+ new_stdout = dup(STDOUT_FILENO),
+ new_stderr = dup(STDERR_FILENO);
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+
+ int
+ // new stdout:
+ output_fd = open(tmpfile, O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR),
+ // new stderr:
+ null_fd = open("/dev/null", O_CREAT, S_IRUSR|S_IWUSR);
+ // verify well behaved unix behaviour:
+ wxASSERT(output_fd == STDOUT_FILENO);
+ wxASSERT(null_fd == STDERR_FILENO);
+ int rc = wxExecute(m_IfconfigPath,TRUE /* sync */,NULL ,wxEXECUTE_DONT_CLOSE_FDS);
+ close(null_fd); close(output_fd);
+ // restore old stdout, stderr:
+ int test;
+ test = dup(new_stdout); close(new_stdout); wxASSERT(test == STDOUT_FILENO);
+ test = dup(new_stderr); close(new_stderr); wxASSERT(test == STDERR_FILENO);
+ if(rc == 0)
+#endif
+ if(wxExecute(cmd,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;
+ wxFile file;
+ if( file.Open(tmpfile) )
+ {
+ char *output = new char [file.Length()+1];
+ output[file.Length()] = '\0';
+ if(file.Read(output,file.Length()) == file.Length())
+ {
+ if(strstr(output,"ppp") // ppp
+ || strstr(output,"sl") // slip
+ || strstr(output,"pl") // plip
+ )
+ m_IsOnline = 1;
+ else
+ m_IsOnline = 0;
+ }
+ file.Close();
+ delete [] output;
+ }
+ // else m_IsOnline remains -1 as we don't know for sure
}
else // could not run ifconfig correctly
- m_CanUseIfconfig = 0; // don´t try again
- wxRemoveFile(tmpfile);
+ m_CanUseIfconfig = 0; // don't try again
+ (void) wxRemoveFile(tmpfile);
if(m_IsOnline != -1) // we are done
return;
}
// second method: try to connect to well known host:
+ // This can be used under Win 9x, too!
struct hostent *hp;
struct sockaddr_in serv_addr;
- int sockfd;
+ 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;
+
+ 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)
- {
+ 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;
}
projects / wxWidgets.git / blobdiff