refactor EDSP classes for better internal reuse

[apt.git] / methods / cdrom.cc

diff --git a/methods/cdrom.cc b/methods/cdrom.cc
index 9802eb46ceb4ffd0ca7b9c33229216fde56e499b..161822ac6e0062cb46b1ca99285c96132a6fe267 100644 (file)
--- a/methods/cdrom.cc
+++ b/methods/cdrom.cc
@@ -8,17 +8,21 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
-#include <apt-pkg/acquire-method.h>
+#include <config.h>
+
 #include <apt-pkg/cdrom.h>
 #include <apt-pkg/cdromutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
 #include <apt-pkg/hashes.h>
 
+#include "aptmethod.h"
+
+#include <string>
+#include <vector>
 #include <sys/stat.h>
-#include <unistd.h>
-#include <dlfcn.h>
 
 #include <iostream>
 #include <apti18n.h>
@@ -26,7 +30,7 @@
 
 using namespace std;
 
-class CDROMMethod : public pkgAcqMethod
+class CDROMMethod : public aptMethod
 {
    bool DatabaseLoaded;
    bool Debug;
@@ -37,11 +41,11 @@ class CDROMMethod : public pkgAcqMethod
    bool MountedByApt;
    pkgUdevCdromDevices UdevCdroms;
  
-   bool IsCorrectCD(URI want, string MountPath);
-   bool AutoDetectAndMount(URI);
-   virtual bool Fetch(FetchItem *Itm);
+   bool IsCorrectCD(URI want, string MountPath, string& NewID);
+   bool AutoDetectAndMount(const URI, string &NewID);
+   virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
    string GetID(string Name);
-   virtual void Exit();
+   virtual void Exit() APT_OVERRIDE;
       
    public:
    
@@ -51,14 +55,15 @@ class CDROMMethod : public pkgAcqMethod
 // CDROMMethod::CDROMethod - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
+CDROMMethod::CDROMMethod() : aptMethod("cdrom", "1.0",SingleInstance | LocalOnly |
                                          SendConfig | NeedsCleanup |
-                                         Removable), 
-                                          DatabaseLoaded(false), 
+                                         Removable),
+                                          DatabaseLoaded(false),
+                                         Debug(false),
                                           MountedByApt(false)
 {
    UdevCdroms.Dlopen();
-};
+}
                                                                        /*}}}*/
 // CDROMMethod::Exit - Unmount the disc if necessary                   /*{{{*/
 // ---------------------------------------------------------------------
@@ -92,7 +97,7 @@ string CDROMMethod::GetID(string Name)
 // CDROMMethod::AutoDetectAndMount                                      /*{{{*/
 // ---------------------------------------------------------------------
 /* Modifies class varaiable CDROM to the mountpoint */
-bool CDROMMethod::AutoDetectAndMount(URI Get)
+bool CDROMMethod::AutoDetectAndMount(const URI Get, string &NewID)
 {
    vector<struct CdromDevice> v = UdevCdroms.Scan();
 
@@ -103,7 +108,7 @@ bool CDROMMethod::AutoDetectAndMount(URI Get)
       {
         if (Debug)
            clog << "Checking mounted cdrom device " << v[i].DeviceName << endl;
-        if (IsCorrectCD(Get, v[i].MountPath))
+        if (IsCorrectCD(Get, v[i].MountPath, NewID))
         {
            CDROM = v[i].MountPath;
            return true;
@@ -116,23 +121,24 @@ bool CDROMMethod::AutoDetectAndMount(URI Get)
       return false;
 
    // check if we have the mount point
-   if (!FileExists("/media/apt"))
-      mkdir("/media/apt", 0755);
+   string AptMountPoint = _config->FindDir("Dir::Media::MountPath");
+   if (!FileExists(AptMountPoint))
+      mkdir(AptMountPoint.c_str(), 0750);
 
    // now try mounting
    for (unsigned int i=0; i < v.size(); i++)
    {
       if (!v[i].Mounted)
       {
-        if(MountCdrom("/media/apt", v[i].DeviceName)) 
+        if(MountCdrom(AptMountPoint, v[i].DeviceName)) 
         {
-           if (IsCorrectCD(Get, "/media/apt"))
+           if (IsCorrectCD(Get, AptMountPoint, NewID))
            {
               MountedByApt = true;
-              CDROM = "/media/apt";
+              CDROM = AptMountPoint;
               return true;
            } else {
-              UnmountCdrom("/media/apt");
+              UnmountCdrom(AptMountPoint);
            }
         }
       }
@@ -144,10 +150,8 @@ bool CDROMMethod::AutoDetectAndMount(URI Get)
 // CDROMMethod::IsCorrectCD                                             /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool CDROMMethod::IsCorrectCD(URI want, string MountPath)
+bool CDROMMethod::IsCorrectCD(URI want, string MountPath, string& NewID)
 {
-   string NewID;
-
    for (unsigned int Version = 2; Version != 0; Version--)
    {
       if (IdentCdrom(MountPath,NewID,Version) == false)
@@ -220,23 +224,24 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
       return true;
    }
 
-   CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+   bool AutoDetect = _config->FindB("Acquire::cdrom::AutoDetect", true);
+   CDROM = _config->FindDir("Acquire::cdrom::mount");
    if (Debug)
       clog << "Looking for CDROM at " << CDROM << endl;
 
    if (CDROM[0] == '.')
       CDROM= SafeGetCWD() + '/' + CDROM;
-   string NewID;
 
+   string NewID;
    while (CurrentID.empty() == true)
    {
-      if (CDROM == "apt-udev-auto/") 
-        AutoDetectAndMount(Get);
+      if (AutoDetect)
+        AutoDetectAndMount(Get, NewID);
 
       if(!IsMounted(CDROM))
         MountedByApt = MountCdrom(CDROM);
       
-      if (IsCorrectCD(Get, CDROM))
+      if (IsCorrectCD(Get, CDROM, NewID))
         break;
         
       // I suppose this should prompt somehow?
@@ -256,15 +261,16 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
    struct stat Buf;
    if (stat(Res.Filename.c_str(),&Buf) != 0)
       return _error->Error(_("File not found"));
-   
+
+   URIStart(Res);
    if (NewID.empty() == false)
       CurrentID = NewID;
    Res.LastModified = Buf.st_mtime;
    Res.Size = Buf.st_size;
 
-   Hashes Hash;
+   Hashes Hash(Itm->ExpectedHashes);
    FileFd Fd(Res.Filename, FileFd::ReadOnly);
-   Hash.AddFD(Fd.Fd(), Fd.Size());
+   Hash.AddFD(Fd);
    Res.TakeHashes(Hash);
 
    URIDone(Res);
@@ -274,8 +280,6 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
 
 int main()
 {
-   setlocale(LC_ALL, "");
-
-   CDROMMethod Mth;
-   return Mth.Run();
+   _config->CndSet("Binary::cdrom::Debug::NoDropPrivs", true);
+   return CDROMMethod().Run();
 }