X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/a6418a4b93376e0e4acf36e88eb1d0ec41e024df..ba56f25a059122d193e9fda612079326751d5c65:/methods/cdrom.cc

diff --git a/methods/cdrom.cc b/methods/cdrom.cc
index cd0d4e512..9802eb46c 100644
--- a/methods/cdrom.cc
+++ b/methods/cdrom.cc
@@ -29,12 +29,16 @@ using namespace std;
 class CDROMMethod : public pkgAcqMethod
 {
    bool DatabaseLoaded;
+   bool Debug;
+
    ::Configuration Database;
    string CurrentID;
    string CDROM;
    bool MountedByApt;
+   pkgUdevCdromDevices UdevCdroms;
  
    bool IsCorrectCD(URI want, string MountPath);
+   bool AutoDetectAndMount(URI);
    virtual bool Fetch(FetchItem *Itm);
    string GetID(string Name);
    virtual void Exit();
@@ -53,8 +57,7 @@ CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
                                           DatabaseLoaded(false), 
                                           MountedByApt(false)
 {
-
-
+   UdevCdroms.Dlopen();
 };
 									/*}}}*/
 // CDROMMethod::Exit - Unmount the disc if necessary			/*{{{*/
@@ -86,13 +89,63 @@ string CDROMMethod::GetID(string Name)
    return string();
 }
 									/*}}}*/
+// CDROMMethod::AutoDetectAndMount                                      /*{{{*/
+// ---------------------------------------------------------------------
+/* Modifies class varaiable CDROM to the mountpoint */
+bool CDROMMethod::AutoDetectAndMount(URI Get)
+{
+   vector<struct CdromDevice> v = UdevCdroms.Scan();
+
+   // first check if its mounted somewhere already
+   for (unsigned int i=0; i < v.size(); i++)
+   {
+      if (v[i].Mounted)
+      {
+	 if (Debug)
+	    clog << "Checking mounted cdrom device " << v[i].DeviceName << endl;
+	 if (IsCorrectCD(Get, v[i].MountPath))
+	 {
+	    CDROM = v[i].MountPath;
+	    return true;
+	 }
+      }
+   }
+
+   // we are not supposed to mount, exit
+   if (_config->FindB("APT::CDROM::NoMount",false) == true)
+      return false;
+
+   // check if we have the mount point
+   if (!FileExists("/media/apt"))
+      mkdir("/media/apt", 0755);
+
+   // now try mounting
+   for (unsigned int i=0; i < v.size(); i++)
+   {
+      if (!v[i].Mounted)
+      {
+	 if(MountCdrom("/media/apt", v[i].DeviceName)) 
+	 {
+	    if (IsCorrectCD(Get, "/media/apt"))
+	    {
+	       MountedByApt = true;
+	       CDROM = "/media/apt";
+	       return true;
+	    } else {
+	       UnmountCdrom("/media/apt");
+	    }
+	 }
+      }
+   }
 
+   return false;
+}
+									/*}}}*/
 // CDROMMethod::IsCorrectCD                                             /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 bool CDROMMethod::IsCorrectCD(URI want, string MountPath)
 {
-   bool Debug = _config->FindB("Debug::Acquire::cdrom",false);
    string NewID;
 
    for (unsigned int Version = 2; Version != 0; Version--)
@@ -100,7 +153,7 @@ bool CDROMMethod::IsCorrectCD(URI want, string MountPath)
       if (IdentCdrom(MountPath,NewID,Version) == false)
 	 return false;
       
-      if (Debug == true)
+      if (Debug)
 	 clog << "ID " << Version << " " << NewID << endl;
       
       // A hit
@@ -116,11 +169,14 @@ bool CDROMMethod::IsCorrectCD(URI want, string MountPath)
 /* */
 bool CDROMMethod::Fetch(FetchItem *Itm)
 {
+   FetchResult Res;
+
    URI Get = Itm->Uri;
    string File = Get.Path;
-   FetchResult Res;
+   Debug = _config->FindB("Debug::Acquire::cdrom", false);
 
-   bool Debug = _config->FindB("Debug::Acquire::cdrom",false);
+   if (Debug)
+      clog << "CDROMMethod::Fetch " << Itm->Uri << endl;
 
    /* All IMS queries are returned as a hit, CDROMs are readonly so 
       time stamps never change */
@@ -156,55 +212,27 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
    }
 
    // We already have a CD inserted, but it is the wrong one
-   if (CurrentID.empty() == false && Database.Find("CD::" + CurrentID) != Get.Host)
+   if (CurrentID.empty() == false && 
+       CurrentID != "FAIL" &&
+       Database.Find("CD::" + CurrentID) != Get.Host)
    {
       Fail(_("Wrong CD-ROM"),true);
       return true;
    }
 
    CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
-
-   // auto-detect mode
-   if (CDROM == "apt-udev-auto/") 
-   {
-      pkgUdevCdromDevices udev;
-      if(udev.Dlopen())
-      {
-	 vector<struct CdromDevice> v = udev.Scan();
-	 for (unsigned int i=0; i < v.size(); i++)
-	 {
-	    if (!v[i].Mounted) 
-	    {
-	       if (!FileExists("/media/apt"))
-		  mkdir("/media/apt", 0755);
-	       if(MountCdrom("/media/apt", v[i].DeviceName)) 
-	       {
-		  if (IsCorrectCD(Get, "/media/apt"))
-		  {
-		     MountedByApt = true;
-		     CDROM = "/media/apt";
-		     break;
-		  } else {
-		     UnmountCdrom("/media/apt");
-		  }
-	       }
-	    } else {
-	       if (IsCorrectCD(Get, v[i].MountPath))
-	       {
-		  CDROM = v[i].MountPath;
-		  break;
-	       }
-	    }
-	 }
-      }
-   }
+   if (Debug)
+      clog << "Looking for CDROM at " << CDROM << endl;
 
    if (CDROM[0] == '.')
       CDROM= SafeGetCWD() + '/' + CDROM;
    string NewID;
+
    while (CurrentID.empty() == true)
    {
-      bool Hit = false;
+      if (CDROM == "apt-udev-auto/") 
+	 AutoDetectAndMount(Get);
+
       if(!IsMounted(CDROM))
 	 MountedByApt = MountCdrom(CDROM);