merged from the debian-sid branch
[ntk/apt.git] / apt-pkg / cdrom.cc
index e61344e..04ace10 100644 (file)
@@ -1,14 +1,13 @@
 /*
  */
 
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/cdrom.h"
-#endif
 #include<apt-pkg/init.h>
 #include<apt-pkg/error.h>
 #include<apt-pkg/cdromutl.h>
 #include<apt-pkg/strutl.h>
 #include<apt-pkg/cdrom.h>
+#include<apt-pkg/aptconfiguration.h>
+
 #include<sstream>
 #include<fstream>
 #include<config.h>
@@ -18,7 +17,8 @@
 #include <dirent.h>
 #include <unistd.h>
 #include <stdio.h>
-
+#include <algorithm>
+#include <dlfcn.h>
 
 #include "indexcopy.h"
 
@@ -162,7 +162,7 @@ bool pkgCdrom::FindPackages(string CD,
    
    return !_error->PendingError();
 }
-
+                                                                       /*}}}*/
 // Score - We compute a 'score' for a path                             /*{{{*/
 // ---------------------------------------------------------------------
 /* Paths are scored based on how close they come to what I consider
@@ -198,7 +198,7 @@ int pkgCdrom::Score(string Path)
    // a symlink gets a big penalty
    struct stat Buf;
    string statPath = flNotFile(Path);
-   string cdromPath = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+   string cdromPath = _config->FindDir("Acquire::cdrom::mount");
    while(statPath != cdromPath && statPath != "./") {
       statPath.resize(statPath.size()-1);  // remove the trailing '/'
       if (lstat(statPath.c_str(),&Buf) == 0) {
@@ -212,46 +212,34 @@ int pkgCdrom::Score(string Path)
 
    return Res;
 }
-
                                                                        /*}}}*/
 // DropBinaryArch - Dump dirs with a string like /binary-<foo>/                /*{{{*/
 // ---------------------------------------------------------------------
 /* Here we drop everything that is not this machines arch */
 bool pkgCdrom::DropBinaryArch(vector<string> &List)
 {
-   char S[300];
-   snprintf(S,sizeof(S),"/binary-%s/",
-           _config->Find("Apt::Architecture").c_str());
-   
+
    for (unsigned int I = 0; I < List.size(); I++)
    {
       const char *Str = List[I].c_str();
-      
-      const char *Res;
-      if ((Res = strstr(Str,"/binary-")) == 0)
+      const char *Start, *End;
+      if ((Start = strstr(Str,"/binary-")) == 0)
         continue;
 
-      // Weird, remove it.
-      if (strlen(Res) < strlen(S))
-      {
-        List.erase(List.begin() + I);
-        I--;
-        continue;
-      }
-         
-      // See if it is our arch
-      if (stringcmp(Res,Res + strlen(S),S) == 0)
-        continue;
-      
-      // Erase it
+      // Between Start and End is the architecture
+      Start += 8;
+      if ((End = strstr(Start,"/")) != 0 && Start != End &&
+          APT::Configuration::checkArchitecture(string(Start, End)) == true)
+        continue; // okay, architecture is accepted
+
+      // not accepted -> Erase it
       List.erase(List.begin() + I);
-      I--;
+      --I; // the next entry is at the same index after the erase
    }
    
    return true;
 }
-
-
+                                                                       /*}}}*/
 // DropRepeats - Drop repeated files resulting from symlinks           /*{{{*/
 // ---------------------------------------------------------------------
 /* Here we go and stat every file that we found and strip dup inodes. */
@@ -293,7 +281,8 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
         List[J] = string();
       }
    }  
+   delete[] Inodes;
+
    // Wipe erased entries
    for (unsigned int I = 0; I < List.size();)
    {
@@ -306,7 +295,6 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
    return true;
 }
                                                                        /*}}}*/
-
 // ReduceSourceList - Takes the path list and reduces it               /*{{{*/
 // ---------------------------------------------------------------------
 /* This takes the list of source list expressed entires and collects
@@ -395,7 +383,7 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf)
 
    Out.close();
    
-   rename(DFile.c_str(),string(DFile + '~').c_str());
+   link(DFile.c_str(),string(DFile + '~').c_str());
    if (rename(NewFile.c_str(),DFile.c_str()) != 0)
       return _error->Errno("rename","Failed to rename %s.new to %s",
                           DFile.c_str(),DFile.c_str());
@@ -515,14 +503,13 @@ bool pkgCdrom::WriteSourceList(string Name,vector<string> &List,bool Source)
    
    return true;
 }
-
-
-bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log)
+                                                                       /*}}}*/
+bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log)               /*{{{*/
 {
    stringstream msg;
 
    // Startup
-   string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+   string CDROM = _config->FindDir("Acquire::cdrom::mount");
    if (CDROM[0] == '.')
       CDROM= SafeGetCWD() + '/' + CDROM;
 
@@ -562,20 +549,26 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log)
    }
    if(log) {
       msg.str("");
-      ioprintf(msg, _("Stored label: %s \n"),
-              Database.Find("CD::"+ident).c_str());
+      ioprintf(msg, _("Stored label: %s\n"),
+      Database.Find("CD::"+ident).c_str());
       log->Update(msg.str());
    }
-   return true;
-}
 
+   // Unmount and finish
+   if (_config->FindB("APT::CDROM::NoMount",false) == false) {
+      log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST);
+      UnmountCdrom(CDROM);
+   }
 
-bool pkgCdrom::Add(pkgCdromStatus *log)
+   return true;
+}
+                                                                       /*}}}*/
+bool pkgCdrom::Add(pkgCdromStatus *log)                                        /*{{{*/
 {
    stringstream msg;
 
    // Startup
-   string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+   string CDROM = _config->FindDir("Acquire::cdrom::mount");
    if (CDROM[0] == '.')
       CDROM= SafeGetCWD() + '/' + CDROM;
    
@@ -670,8 +663,8 @@ bool pkgCdrom::Add(pkgCdromStatus *log)
    DropRepeats(TransList,"");
    if(log) {
       msg.str("");
-      ioprintf(msg, _("Found %i package indexes, %i source indexes, "
-                     "%i translation indexes and %i signatures\n"), 
+      ioprintf(msg, _("Found %zu package indexes, %zu source indexes, "
+                     "%zu translation indexes and %zu signatures\n"), 
               List.size(), SourceList.size(), TransList.size(),
               SigList.size());
       log->Update(msg.str(), STEP_SCAN);
@@ -681,7 +674,7 @@ bool pkgCdrom::Add(pkgCdromStatus *log)
    {
       if (_config->FindB("APT::CDROM::NoMount",false) == false) 
         UnmountCdrom(CDROM);
-      return _error->Error("Unable to locate any package files, perhaps this is not a Debian Disc");
+      return _error->Error(_("Unable to locate any package files, perhaps this is not a Debian Disc or the wrong architecture?"));
    }
 
    // Check if the CD is in the database
@@ -829,8 +822,6 @@ bool pkgCdrom::Add(pkgCdromStatus *log)
       }
    }
 
-   
-
    // Unmount and finish
    if (_config->FindB("APT::CDROM::NoMount",false) == false) {
       log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST);
@@ -839,3 +830,89 @@ bool pkgCdrom::Add(pkgCdromStatus *log)
 
    return true;
 }
+                                                                       /*}}}*/
+pkgUdevCdromDevices::pkgUdevCdromDevices()                                     /*{{{*/
+   : libudev_handle(NULL)
+{
+
+}
+                                                                       /*}}}*/
+
+bool
+pkgUdevCdromDevices::Dlopen()                                          /*{{{*/
+{
+   // alread open
+   if(libudev_handle != NULL)
+      return true;
+
+   // see if we can get libudev
+   void *h = ::dlopen("libudev.so.0", RTLD_LAZY);
+   if(h == NULL)
+      return false;
+
+   // get the pointers to the udev structs
+   libudev_handle = h;
+   udev_new = (udev* (*)(void)) dlsym(h, "udev_new");
+   udev_enumerate_add_match_property = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_property");
+   udev_enumerate_scan_devices = (int (*)(udev_enumerate*))dlsym(h, "udev_enumerate_scan_devices");
+   udev_enumerate_get_list_entry = (udev_list_entry* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_list_entry");
+   udev_device_new_from_syspath = (udev_device* (*)(udev*, const char*))dlsym(h, "udev_device_new_from_syspath");
+   udev_enumerate_get_udev = (udev* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_udev");
+   udev_list_entry_get_name = (const char* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_name");
+   udev_device_get_devnode = (const char* (*)(udev_device*))dlsym(h, "udev_device_get_devnode");
+   udev_enumerate_new = (udev_enumerate* (*)(udev*))dlsym(h, "udev_enumerate_new");
+   udev_list_entry_get_next = (udev_list_entry* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_next");
+   udev_device_get_property_value = (const char* (*)(udev_device *, const char *))dlsym(h, "udev_device_get_property_value");
+
+   return true;
+}
+                                                                       /*}}}*/
+vector<CdromDevice>
+pkgUdevCdromDevices::Scan()                                             /*{{{*/
+{
+   vector<CdromDevice> cdrom_devices;
+   struct udev_enumerate *enumerate;
+   struct udev_list_entry *l, *devices;
+   struct udev *udev_ctx;
+
+   if(libudev_handle == NULL)
+      return cdrom_devices;
+
+   udev_ctx = udev_new();
+   enumerate = udev_enumerate_new (udev_ctx);
+   udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1");
+
+   udev_enumerate_scan_devices (enumerate);
+   devices = udev_enumerate_get_list_entry (enumerate);
+   for (l = devices; l != NULL; l = udev_list_entry_get_next (l))
+   {
+      CdromDevice cdrom;
+      struct udev_device *udevice;
+      udevice = udev_device_new_from_syspath (udev_enumerate_get_udev (enumerate), udev_list_entry_get_name (l));
+      if (udevice == NULL)
+        continue;
+      const char* devnode = udev_device_get_devnode(udevice);
+      const char* mountpath = udev_device_get_property_value(udevice, "FSTAB_DIR");
+
+      // fill in the struct
+      cdrom.DeviceName = string(devnode);
+      if (mountpath) {
+        cdrom.MountPath = mountpath;
+        string s = string(mountpath);
+        cdrom.Mounted = IsMounted(s);
+      } else {
+        cdrom.Mounted = false;
+        cdrom.MountPath = "";
+      }
+      cdrom_devices.push_back(cdrom);
+   } 
+   return cdrom_devices;
+}
+                                                                       /*}}}*/
+
+pkgUdevCdromDevices::~pkgUdevCdromDevices()                             /*{{{*/
+{ 
+   if (libudev_handle != NULL)
+      dlclose(libudev_handle);
+}
+                                                                       /*}}}*/