The '.update' file in the video directory is now touched when a recording is added or deleted

CONTRIBUTORS

@@ -1491,3 +1491,5 @@ Patrick Rother <krd-vdr@gulu.net>
 Alexander Rieger <Alexander.Rieger@inka.de>
  for fixing two errors in 'newplugin'
  for fixing handling color buttons in cMenuEditStrItem
+ for making the '.update' file in the video directory be touched when a recording is
+ added or deleted, so that other VDR instances can update their lists

HISTORY

@@ -3845,3 +3845,6 @@ Video Disk Recorder Revision History
   Thomas Günther).
 - Updated the Romanian OSD texts (thanks to Lucian Muresan).
 - Updated the Russian OSD texts (thanks to Oleg ???).
+- The '.update' file in the video directory is now touched when a recording is
+  added or deleted, so that other VDR instances can update their lists (thanks to
+  Alexander Rieger).

menu.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 1.361 2005/09/25 11:30:55 kls Exp $
+ * $Id: menu.c 1.362 2005/09/25 13:37:21 kls Exp $
  */
 
 #include "menu.h"
@@ -1670,8 +1670,8 @@ eOSState cMenuRecordings::Delete(void)
         if (recording) {
            if (recording->Delete()) {
               cReplayControl::ClearLastReplayed(ri->FileName());
+              Recordings.DelByName(ri->FileName());
               cOsdMenu::Del(Current());
-              Recordings.Del(recording);
               SetHelpKeys();
               Display();
               if (!Count())

recording.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 1.117 2005/09/25 12:28:40 kls Exp $
+ * $Id: recording.c 1.118 2005/09/25 13:45:13 kls Exp $
  */
 
 #include "recording.h"
@@ -746,6 +746,7 @@ cRecordings Recordings;
 cRecordings::cRecordings(bool Deleted)
 :cThread("video directory scanner")
 {
+  updateFileName = strdup(AddDirectory(VideoDirectory, ".update"));
   deleted = Deleted;
   lastUpdate = 0;
   state = 0;
@@ -754,6 +755,7 @@ cRecordings::cRecordings(bool Deleted)
 cRecordings::~cRecordings()
 {
   Cancel(3);
+  free(updateFileName);
 }
 
 void cRecordings::Action(void)
@@ -821,9 +823,15 @@ bool cRecordings::StateChanged(int &State)
   return Result;
 }
 
+void cRecordings::TouchUpdate(void)
+{
+  TouchFile(updateFileName);
+  lastUpdate = time(NULL); // make sure we don't tigger ourselves
+}
+
 bool cRecordings::NeedsUpdate(void)
 {
-  return lastUpdate < LastModifiedTime(AddDirectory(VideoDirectory, ".update"));
+  return lastUpdate < LastModifiedTime(updateFileName);
 }
 
 bool cRecordings::Update(bool Wait)
@@ -854,6 +862,7 @@ void cRecordings::AddByName(const char *FileName)
      recording = new cRecording(FileName);
      Add(recording);
      ChangeState();
+     TouchUpdate();
      }
 }
 
@@ -864,6 +873,7 @@ void cRecordings::DelByName(const char *FileName)
   if (recording) {
      Del(recording);
      ChangeState();
+     TouchUpdate();
      }
 }
 

recording.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.h 1.42 2005/09/25 11:31:28 kls Exp $
+ * $Id: recording.h 1.43 2005/09/25 13:47:07 kls Exp $
  */
 
 #ifndef __RECORDING_H
@@ -93,6 +93,7 @@ public:
 
 class cRecordings : public cList<cRecording>, public cThread {
 private:
+  char *updateFileName;
   bool deleted;
   time_t lastUpdate;
   int state;
@@ -113,7 +114,10 @@ public:
        ///< function returns only after the update has completed.
        ///< Returns true if Wait is true and there is anyting in the list
        ///< of recordings, false otherwise.
-  void TriggerUpdate(void) { lastUpdate = 0; }
+  void TouchUpdate(void);
+       ///< Touches the '.update' file in the video directory, so that other
+       ///< instances of VDR that access the same video directory can be triggered
+       ///< to update their recordings list.
   bool NeedsUpdate(void);
   void ChangeState(void) { state++; }
   bool StateChanged(int &State);

tools.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.c 1.98 2005/09/11 13:11:05 kls Exp $
+ * $Id: tools.c 1.99 2005/09/25 12:56:06 kls Exp $
  */
 
 #include "tools.h"
@@ -17,6 +17,7 @@
 #include <sys/vfs.h>
 #include <time.h>
 #include <unistd.h>
+#include <utime.h>
 #include "i18n.h"
 
 int SysLogLevel = 3;
@@ -475,6 +476,12 @@ bool SpinUpDisk(const char *FileName)
   return false;
 }
 
+void TouchFile(const char *FileName)
+{
+  if (utime(FileName, NULL) == -1 && errno != ENOENT)
+     LOG_ERROR_STR(FileName);
+}
+
 time_t LastModifiedTime(const char *FileName)
 {
   struct stat fs;

tools.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.h 1.77 2005/09/17 15:33:40 kls Exp $
+ * $Id: tools.h 1.78 2005/09/25 12:54:58 kls Exp $
  */
 
 #ifndef __TOOLS_H
@@ -113,6 +113,7 @@ bool RemoveFileOrDir(const char *FileName, bool FollowSymlinks = false);
 bool RemoveEmptyDirectories(const char *DirName, bool RemoveThis = false);
 char *ReadLink(const char *FileName); ///< returns a new string allocated on the heap, which the caller must delete (or NULL in case of an error)
 bool SpinUpDisk(const char *FileName);
+void TouchFile(const char *FileName);
 time_t LastModifiedTime(const char *FileName);
 cString WeekDayName(int WeekDay);
 cString WeekDayName(time_t t);