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authorMichael Vogt <michael.vogt@ubuntu.com>2009-07-23 10:41:38 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2009-07-23 10:41:38 +0200
commit3e2d7cce4febc923d4b9bcb363717dd161cbb856 (patch)
tree69245f40f2623ccb7bb914aba06e17d009a9689a /methods/cdrom.cc
parent47f1d6d23c344b4c592565cc1ea61b5456570a06 (diff)
parent76fe5db7153957f8fda437e3bd614312b076f19e (diff)
[ABI] merged the libudev-dlopen branch, this allows to pass
"apt-udev-auto" to Acquire::Cdrom::mount and the cdrom method will dynamically find/mount the cdrom device (if libhal is available)
Diffstat (limited to 'methods/cdrom.cc')
-rw-r--r--methods/cdrom.cc129
1 files changed, 104 insertions, 25 deletions
diff --git a/methods/cdrom.cc b/methods/cdrom.cc
index 601bc11c9..9802eb46c 100644
--- a/methods/cdrom.cc
+++ b/methods/cdrom.cc
@@ -9,6 +9,7 @@
/*}}}*/
// Include Files /*{{{*/
#include <apt-pkg/acquire-method.h>
+#include <apt-pkg/cdrom.h>
#include <apt-pkg/cdromutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
@@ -17,6 +18,7 @@
#include <sys/stat.h>
#include <unistd.h>
+#include <dlfcn.h>
#include <iostream>
#include <apti18n.h>
@@ -27,15 +29,20 @@ 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();
-
+
public:
CDROMMethod();
@@ -50,14 +57,15 @@ CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
DatabaseLoaded(false),
MountedByApt(false)
{
+ UdevCdroms.Dlopen();
};
/*}}}*/
// CDROMMethod::Exit - Unmount the disc if necessary /*{{{*/
// ---------------------------------------------------------------------
/* */
void CDROMMethod::Exit()
-{
- if (MountedByApt == true)
+{
+ if (MountedByApt == true)
UnmountCdrom(CDROM);
}
/*}}}*/
@@ -81,16 +89,94 @@ 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)
+{
+ string NewID;
+
+ for (unsigned int Version = 2; Version != 0; Version--)
+ {
+ if (IdentCdrom(MountPath,NewID,Version) == false)
+ return false;
+
+ if (Debug)
+ clog << "ID " << Version << " " << NewID << endl;
+
+ // A hit
+ if (Database.Find("CD::" + NewID) == want.Host)
+ return true;
+ }
+
+ return false;
+}
+ /*}}}*/
// CDROMMethod::Fetch - Fetch a file /*{{{*/
// ---------------------------------------------------------------------
/* */
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 */
@@ -126,38 +212,31 @@ 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/");
+ 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);
- for (unsigned int Version = 2; Version != 0; Version--)
- {
- if (IdentCdrom(CDROM,NewID,Version) == false)
- return false;
-
- if (Debug == true)
- clog << "ID " << Version << " " << NewID << endl;
- // A hit
- if (Database.Find("CD::" + NewID) == Get.Host)
- {
- Hit = true;
- break;
- }
- }
-
- if (Hit == true)
+ if (IsCorrectCD(Get, CDROM))
break;
// I suppose this should prompt somehow?