// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: cdrom.cc,v 1.6 1998/12/22 07:52:05 jgg Exp $
+// $Id: cdrom.cc,v 1.18 2001/05/22 04:01:41 jgg Exp $
/* ######################################################################
CDROM URI method for APT
#include <sys/stat.h>
#include <unistd.h>
+
+#include <iostream>
/*}}}*/
+using namespace std;
+
class CDROMMethod : public pkgAcqMethod
{
- Configuration Database;
bool DatabaseLoaded;
+ ::Configuration Database;
string CurrentID;
+ string CDROM;
+ bool Mounted;
virtual bool Fetch(FetchItem *Itm);
string GetID(string Name);
+ virtual void Exit();
public:
// CDROMMethod::CDROMethod - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
-CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
- SendConfig), DatabaseLoaded(false)
+CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
+ SendConfig | NeedsCleanup |
+ Removable),
+ DatabaseLoaded(false),
+ Mounted(false)
{
};
/*}}}*/
-// CDROMMethod::GetID - Get the ID hash for /*{{{*/
+// CDROMMethod::Exit - Unmount the disc if necessary /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CDROMMethod::Exit()
+{
+ if (Mounted == true)
+ UnmountCdrom(CDROM);
+}
+ /*}}}*/
+// CDROMMethod::GetID - Search the database for a matching string /*{{{*/
// ---------------------------------------------------------------------
-/* We search the configuration space for the name and then return the ID
- tag associated with it. */
+/* */
string CDROMMethod::GetID(string Name)
{
- if (DatabaseLoaded == false)
- {
- // Read the database
- string DFile = _config->FindFile("Dir::State::cdroms");
- if (FileExists(DFile) == true)
- {
- if (ReadConfigFile(Database,DFile) == false)
- {
- _error->Error("Unable to read the cdrom database %s",
- DFile.c_str());
- return string();
- }
- }
- DatabaseLoaded = true;
- }
-
+ // Search for an ID
const Configuration::Item *Top = Database.Tree("CD");
+ if (Top != 0)
+ Top = Top->Child;
+
for (; Top != 0;)
- {
+ {
if (Top->Value == Name)
return Top->Tag;
-
+
Top = Top->Next;
- }
-
+ }
return string();
}
/*}}}*/
URI Get = Itm->Uri;
string File = Get.Path;
FetchResult Res;
-
+
+ bool Debug = _config->FindB("Debug::Acquire::cdrom",false);
+
/* All IMS queries are returned as a hit, CDROMs are readonly so
time stamps never change */
if (Itm->LastModified != 0)
{
Res.LastModified = Itm->LastModified;
Res.IMSHit = true;
+ Res.Filename = File;
URIDone(Res);
return true;
}
-
- string ID = GetID(Get.Host);
- if (_error->PendingError() == true)
- return false;
-
+
+ // Load the database
+ if (DatabaseLoaded == false)
+ {
+ // Read the database
+ string DFile = _config->FindFile("Dir::State::cdroms");
+ if (FileExists(DFile) == true)
+ {
+ if (ReadConfigFile(Database,DFile) == false)
+ return _error->Error("Unable to read the cdrom database %s",
+ DFile.c_str());
+ }
+ DatabaseLoaded = true;
+ }
+
// All non IMS queries for package files fail.
- if (Itm->IndexFile == true || ID.empty() == true)
+ if (Itm->IndexFile == true || GetID(Get.Host).empty() == true)
{
Fail("Please use apt-cdrom to make this CD recognized by APT."
" apt-get update cannot be used to add new CDs");
}
// We already have a CD inserted, but it is the wrong one
- if (CurrentID.empty() == false && ID != CurrentID)
+ if (CurrentID.empty() == false && Database.Find("CD::" + CurrentID) != Get.Host)
{
Fail("Wrong CD",true);
return true;
}
- string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+ CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
if (CDROM[0] == '.')
CDROM= SafeGetCWD() + '/' + CDROM;
string NewID;
- while (1)
+ while (CurrentID.empty() == true)
{
- if (IdentCdrom(CDROM,NewID) == false)
- return false;
-
- // A hit
- if (NewID == ID)
- break;
+ bool Hit = false;
+ for (unsigned int Version = 2; Version != 0; Version--)
+ {
+ if (IdentCdrom(CDROM,NewID,Version) == false)
+ return false;
+
+ if (Debug == true)
+ clog << "ID " << Version << " " << NewID << endl;
- UnmountCdrom(CDROM);
+ // A hit
+ if (Database.Find("CD::" + NewID) == Get.Host)
+ {
+ Hit = true;
+ break;
+ }
+ }
+
+ if (Hit == true)
+ break;
+
+ // I suppose this should prompt somehow?
+ if (UnmountCdrom(CDROM) == false)
+ return _error->Error("Unable to unmount the CD-ROM in %s, it may still be in use.",
+ CDROM.c_str());
if (MediaFail(Get.Host,CDROM) == false)
{
CurrentID = "FAIL";
}
MountCdrom(CDROM);
+ Mounted = true;
}
- // ID matches
- if (NewID == ID)
- {
- Res.Filename = CDROM + File;
- if (FileExists(Res.Filename) == false)
- return _error->Error("File not found");
-
- CurrentID = ID;
- Res.LastModified = Itm->LastModified;
- Res.IMSHit = true;
- URIDone(Res);
- return true;
- }
+ // Found a CD
+ Res.Filename = CDROM + File;
+ struct stat Buf;
+ if (stat(Res.Filename.c_str(),&Buf) != 0)
+ return _error->Error("File not found");
- return _error->Error("CDROM not found");
+ if (NewID.empty() == false)
+ CurrentID = NewID;
+ Res.LastModified = Buf.st_mtime;
+ Res.Size = Buf.st_size;
+ URIDone(Res);
+ return true;
}
/*}}}*/
projects / apt.git / blobdiff