X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ce52ac88bc9e689db478bbe86c3559ad1edc5959..0b7e6e7da208b6a95fb23cb50286a09dc90d96d2:/src/unix/dialup.cpp?ds=sidebyside

diff --git a/src/unix/dialup.cpp b/src/unix/dialup.cpp
index 7b4387defb..6641d377b4 100644
--- a/src/unix/dialup.cpp
+++ b/src/unix/dialup.cpp
@@ -104,11 +104,8 @@ public:
    // 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 < 0
-            )
-            CheckStatus();
-         return m_IsOnline != 0;
+         CheckStatus();
+         return m_IsOnline > 0;
       }
 
    /// do we have a constant net connection? -- GUESS!
@@ -203,6 +200,8 @@ private:
    /// real status check
    void CheckStatusInternal(void);
 
+   /// Check /proc/net (Linux only)
+   int CheckProcNet(void);
    /// Check output of ifconfig command for PPP/SLIP/PLIP devices
    int CheckIfconfig(void);
    /// Ping a host: 1 on success, -1 if it cannot be used, 0 if unreachable
@@ -258,7 +257,12 @@ private:
 
 wxDialUpManagerImpl::wxDialUpManagerImpl()
 {
-   m_IsOnline = -2; // -1 or -2, unknown
+   /* The isOnline flag can have the following values internally:
+      0  : not connected
+      1  : connected
+      -1 : unknown/undefined status
+   */
+   m_IsOnline = -1; 
    m_DialProcess = NULL;
    m_timer = NULL;
    m_CanUseIfconfig = -1; // unknown
@@ -298,7 +302,6 @@ wxDialUpManagerImpl::Dial(const wxString &isp,
 {
    if(m_IsOnline == 1)
       return FALSE;
-   m_IsOnline = -1;
    m_ISPname = isp;
    wxString cmd;
    if(m_ConnectCommand.Find(wxT("%s")))
@@ -309,7 +312,7 @@ wxDialUpManagerImpl::Dial(const wxString &isp,
    if ( async )
    {
       m_DialProcess = new wxDialProcess(this);
-      m_DialPId = wxExecute(cmd, FALSE, m_DialProcess);
+      m_DialPId = (int)wxExecute(cmd, FALSE, m_DialProcess);
       if(m_DialPId == 0)
       {
          delete m_DialProcess;
@@ -333,7 +336,6 @@ wxDialUpManagerImpl::HangUp(void)
       wxLogError(_("Already dialling ISP."));
       return FALSE;
    }
-   m_IsOnline = -1;
    wxString cmd;
    if(m_HangUpCommand.Find(wxT("%s")))
       cmd.Printf(m_HangUpCommand,m_ISPname.c_str(), m_DialProcess);
@@ -380,6 +382,13 @@ wxDialUpManagerImpl::DisableAutoCheckOnlineStatus()
 void
 wxDialUpManagerImpl::SetWellKnownHost(const wxString& hostname, int portno)
 {
+   if(hostname.Length() == 0)
+   {
+      m_BeaconHost = WXDIALUP_MANAGER_DEFAULT_BEACONHOST;
+      m_BeaconPort = 80;
+      return;
+   }
+         
    /// does hostname contain a port number?
    wxString port = hostname.After(wxT(':'));
    if(port.Length())
@@ -405,7 +414,12 @@ wxDialUpManagerImpl::CheckStatus(bool fromAsync) const
    ( /* non-const */ (wxDialUpManagerImpl *)this)->CheckStatusInternal();
 
    // now send the events as appropriate:
-   if(m_IsOnline != oldIsOnline && m_IsOnline != -1 && oldIsOnline != -2) // -2: first time!
+   if(m_IsOnline != oldIsOnline // it changed
+      && ( m_IsOnline == 1      // and it is a defined status
+           || m_IsOnline == 0)
+      // only send events for well defined transitions
+      && ( oldIsOnline == 1 || oldIsOnline == 0) 
+      )
    {
       wxDialUpEvent event(m_IsOnline, ! fromAsync);
       (void)wxTheApp->ProcessEvent(event);
@@ -432,12 +446,14 @@ wxDialUpManagerImpl::CheckStatusInternal(void)
 
    int testResult;
 
-   testResult = CheckConnect();
+   testResult = CheckProcNet();
    if(testResult == -1)
       testResult = CheckIfconfig();
+   if(testResult == -1)
+      testResult = CheckConnect();
    if(testResult == -1)
       testResult = CheckPing();
-      m_IsOnline = testResult;
+   m_IsOnline = testResult;
 }
 
 int
@@ -475,6 +491,39 @@ wxDialUpManagerImpl::CheckConnect(void)
    return -1;
 }
 
+
+int 
+wxDialUpManagerImpl::CheckProcNet(void)
+{
+   int rc = -1;
+
+#ifdef __LINUX__
+   if (wxFileExists(_T("/proc/net/route")))
+   {
+       // NOTE: cannot use wxFile::Length because file doesn't support
+       // seeking
+       FILE *f = fopen("/proc/net/route", "rt");
+       if (f != NULL)
+       {
+           char output[256];
+	   
+    	   while (fgets(output, 256, f) != NULL)
+    	   {
+                   if (strstr(output,"ppp")    // ppp
+                       || strstr(output,"sl")  // slip
+                       || strstr(output,"pl")) // plip
+    		       rc = 1;
+    	   }
+    	   if (rc == -1) rc = 0;
+           fclose(f);
+       }
+   }
+#endif
+   
+   return rc;
+}
+
+
 int
 wxDialUpManagerImpl::CheckIfconfig(void)
 {
@@ -516,8 +565,14 @@ wxDialUpManagerImpl::CheckIfconfig(void)
 #if defined(__SOLARIS__) || defined (__SUNOS__)
       // need to add -a flag
       cmd << " -a";
-#elif defined(__LINUX__) || defined (__FREEBSD__) || defined(__SGI__)
+#elif defined(__LINUX__) || defined(__SGI__)
       // nothing to be added to ifconfig
+#elif defined(__FREEBSD__)
+      // add -l flag
+      cmd << " -l";
+#elif defined(__HPUX__)
+      // VZ: a wild guess (but without it, ifconfig fails completely)
+      cmd << _T(" ppp0");
 #else
 #     pragma warning "No ifconfig information for this OS."
       m_CanUseIfconfig = 0;
@@ -548,7 +603,10 @@ wxDialUpManagerImpl::CheckIfconfig(void)
                     || strstr(output,"sl")  // slip
                     || strstr(output,"pl"); // plip
 #elif defined(__SGI__)  // IRIX
-               rc = strstr(output, "ppp"); // PPP
+               rc = (int) strstr(output, "ppp"); // PPP
+#elif defined(__HPUX__)
+               // if could run ifconfig on interface, then it exists
+               rc = TRUE;
 #endif
             }
             file.Close();
@@ -560,7 +618,8 @@ wxDialUpManagerImpl::CheckIfconfig(void)
          m_CanUseIfconfig = 0; // don´t try again
       (void) wxRemoveFile(tmpfile);
    }
-      return rc;
+
+   return rc;
 }
 
 int
@@ -590,8 +649,10 @@ wxDialUpManagerImpl::CheckPing(void)
    cmd << m_PingPath << ' ';
 #if defined(__SOLARIS__) || defined (__SUNOS__)
    // nothing to add to ping command
-#elif defined(__LINUX__)
+#elif defined(__LINUX__) || defined ( __FREEBSD__)
    cmd << "-c 1 "; // only ping once
+#elif defined(__HPUX__)
+   cmd << "64 1 "; // only ping once (need also specify the packet size)
 #else
 #   pragma warning "No Ping information for this OS."
    m_CanUsePing = 0;