lib/service/servicefs.cpp

   1 #include <lib/base/eerror.h>
   2 #include <lib/base/object.h>
   3 #include <string>
   4 #include <errno.h>
   5 #include <lib/service/servicefs.h>
   6 #include <lib/service/service.h>
   7 #include <lib/service/servicedvb.h>
   8 #include <lib/base/init_num.h>
   9 #include <lib/base/init.h>
  10 #include <dirent.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <unistd.h>
  14
  15 class eStaticServiceFSInformation: public iStaticServiceInformation
  16 {
  17         DECLARE_REF(eStaticServiceFSInformation);
  18 public:
  19         RESULT getName(const eServiceReference &ref, std::string &name);
  20         int getLength(const eServiceReference &ref) { return -1; }
  21 };
  22
  23 DEFINE_REF(eStaticServiceFSInformation);
  24
  25 RESULT eStaticServiceFSInformation::getName(const eServiceReference &ref, std::string &name)
  26 {
  27         name = ref.path;
  28         return 0;
  29 }
  30
  31 // eServiceFactoryFS
  32
  33 eServiceFactoryFS::eServiceFactoryFS()
  34 {
  35         ePtr<eServiceCenter> sc;
  36
  37         eServiceCenter::getPrivInstance(sc);
  38         if (sc)
  39                 sc->addServiceFactory(eServiceFactoryFS::id, this);
  40
  41         m_service_information = new eStaticServiceFSInformation();
  42 }
  43
  44 eServiceFactoryFS::~eServiceFactoryFS()
  45 {
  46         ePtr<eServiceCenter> sc;
  47
  48         eServiceCenter::getPrivInstance(sc);
  49         if (sc)
  50                 sc->removeServiceFactory(eServiceFactoryFS::id);
  51 }
  52
  53 DEFINE_REF(eServiceFactoryFS)
  54
  55         // iServiceHandler
  56 RESULT eServiceFactoryFS::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  57 {
  58         ptr=0;
  59         return -1;
  60 }
  61
  62 RESULT eServiceFactoryFS::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  63 {
  64         ptr=0;
  65         return -1;
  66 }
  67
  68 RESULT eServiceFactoryFS::list(const eServiceReference &ref, ePtr<iListableService> &ptr)
  69 {
  70         ptr = new eServiceFS(ref.path.c_str());
  71         return 0;
  72 }
  73
  74 RESULT eServiceFactoryFS::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  75 {
  76         ptr = m_service_information;
  77         return 0;
  78 }
  79
  80 RESULT eServiceFactoryFS::offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr)
  81 {
  82         ptr = 0;
  83         return -1;
  84 }
  85
  86 // eServiceFS
  87
  88 DEFINE_REF(eServiceFS);
  89
  90 eServiceFS::eServiceFS(const char *path): path(path)
  91 {
  92         m_list_valid = 0;
  93 }
  94
  95 eServiceFS::~eServiceFS()
  96 {
  97 }
  98
  99 RESULT eServiceFS::getContent(std::list<eServiceReference> &list, bool sorted)
 100 {
 101         DIR *d=opendir(path.c_str());
 102         if (!d)
 103                 return -errno;
 104         while (dirent *e=readdir(d))
 105         {
 106                 if (!(strcmp(e->d_name, ".") && strcmp(e->d_name, "..")))
 107                         continue;
 108
 109                 std::string filename;
 110
 111                 filename = path;
 112                 filename += e->d_name;
 113
 114                 struct stat s;
 115                 if (::stat(filename.c_str(), &s) < 0)
 116                         continue;
 117
 118                 if (S_ISDIR(s.st_mode))
 119                         filename += "/";
 120
 121                 if (S_ISDIR(s.st_mode))
 122                 {
 123                         eServiceReference service(eServiceFactoryFS::id,
 124                                 eServiceReference::isDirectory|
 125                                 eServiceReference::canDescent|eServiceReference::mustDescent|
 126                                 eServiceReference::shouldSort|eServiceReference::sort1,
 127                                 filename);
 128                         service.data[0] = 1;
 129                         list.push_back(service);
 130                 } else
 131                 {
 132                         std::string extension = filename.substr(filename.rfind('.'));
 133                         int type = -1;
 134
 135                         if (extension == ".ts")
 136                                 type = eServiceFactoryDVB::id;
 137                         else if (extension == ".mp3")
 138                                 type = 4097;
 139
 140                         if (type != -1)
 141                         {
 142                                 eServiceReference service(type,
 143                                         0,
 144                                         filename);
 145                                 service.data[0] = 0;
 146                                 list.push_back(service);
 147                         }
 148                 }
 149         }
 150         closedir(d);
 151
 152         if (sorted)
 153                 list.sort(iListableServiceCompare(this));
 154
 155         return 0;
 156 }
 157
 158 RESULT eServiceFS::getContent(PyObject *list, bool sorted)
 159 {
 160         if (!list || !PyList_Check(list))
 161                 return -1;
 162
 163         std::list<eServiceReference> tmplist;
 164
 165         getContent(tmplist, sorted);
 166
 167         if (sorted)
 168                 tmplist.sort(iListableServiceCompare(this));
 169
 170         for (std::list<eServiceReference>::iterator it(tmplist.begin());
 171                 it != tmplist.end(); ++it)
 172         {
 173                 PyObject *refobj = New_eServiceReference(*it);
 174                 PyList_Append(list, refobj);
 175                 Py_DECREF(refobj);
 176         }
 177
 178         return 0;
 179 }
 180
 181 RESULT eServiceFS::getNext(eServiceReference &ptr)
 182 {
 183         if (!m_list_valid)
 184         {
 185                 m_list_valid = 1;
 186                 int res = getContent(m_list);
 187                 if (res)
 188                         return res;
 189         }
 190
 191         if (!m_list.size())
 192         {
 193                 ptr = eServiceReference();
 194                 return -ERANGE;
 195         }
 196
 197         ptr = m_list.front();
 198         m_list.pop_front();
 199         return 0;
 200 }
 201
 202 int eServiceFS::compareLessEqual(const eServiceReference &a, const eServiceReference &b)
 203 {
 204                 /* directories first */
 205         if ((a.flags & ~b.flags) & eServiceReference::isDirectory)
 206                 return 1;
 207         else if ((~a.flags & b.flags) & eServiceReference::isDirectory)
 208                 return 0;
 209                 /* sort by filename */
 210         else
 211                 return a.path < b.path;
 212 }
 213
 214 RESULT eServiceFS::startEdit(ePtr<iMutableServiceList> &res)
 215 {
 216         res = 0;
 217         return -1;
 218 }
 219
 220 eAutoInitPtr<eServiceFactoryFS> init_eServiceFactoryFS(eAutoInitNumbers::service+1, "eServiceFactoryFS");