SVDRP: do not reload in case plugin is not fully initialized (results in VDR crash)

SVDRP: respond with proper error message in case of OSD is active or parsing error

4 files changed, 31 insertions, 6 deletions

diff --git a/HISTORY b/HISTORY
index 5b33437..c849765 100644
--- a/HISTORY
+++ b/HISTORY
@@ -471,3 +471,5 @@ Version 1.2.10
 
 Version 1.2.10+
 - [pbiering] align displayed tuner number (0,1,2 -> 1,2,3)
+- [pbiering] SVDRP: do not reload in case plugin is not fully initialized (results in VDR crash)
+- [pbiering] SVDRP: respond with proper error message in case of OSD is active or parsing error
diff --git a/designer.c b/designer.c
index c0dd20a..af2df60 100644
--- a/designer.c
+++ b/designer.c
@@ -3,6 +3,7 @@
 
 cSkinDesigner::cSkinDesigner(string skin, cTheme *theme) : cSkin(skin.c_str(), theme) {
     init = true;
+    initialized = false;
     this->skin = skin;
 
     backupSkin = NULL;
@@ -106,11 +107,11 @@ cSkinDisplayMessage *cSkinDesigner::DisplayMessage(void) {
     return displayMessage;
 }
 
-void cSkinDesigner::Reload(void) {
+int cSkinDesigner::Reload(void) {
     dsyslog("skindesigner: forcing full reload of templates");
     if (cOsd::IsOpen()) {
         esyslog("skindesigner: OSD is open, close first!");
-        return;
+        return 2;
     }
 
     cStopWatch watch;
@@ -120,11 +121,13 @@ void cSkinDesigner::Reload(void) {
         if (!backupSkin)
             backupSkin = new cSkinLCARS();
         useBackupSkin = true;
+        return 1;
     } else {
         CacheViews();
         useBackupSkin = false;        
         watch.Stop("templates reloaded and cache created");
     }
+    return 0;
 }
 
 void cSkinDesigner::ListAvailableFonts(void) {
@@ -218,6 +221,7 @@ void cSkinDesigner::Init(void) {
             watch.Stop("templates loaded and caches created");
         }
         init = false;
+        initialized = true;
     } 
     else if (config.OsdFontsChanged()) 
     {
diff --git a/designer.h b/designer.h
index 8870392..c58c974 100644
--- a/designer.h
+++ b/designer.h
@@ -22,6 +22,7 @@ class cSkinDesigner;
 class cSkinDesigner : public cSkin {
 private:
     bool init;
+    bool initialized;
     string skin;
     cSkinLCARS *backupSkin;
     bool useBackupSkin;
@@ -51,7 +52,8 @@ public:
     virtual cSkinDisplayTracks *DisplayTracks(const char *Title, int NumTracks, const char * const *Tracks);
     virtual cSkinDisplayMessage *DisplayMessage(void);
     void ActivateBackupSkin(void) { useBackupSkin = true; };
-    void Reload(void);
+    int Reload(void);
+    bool Initialized(void) { return initialized; };
     void ListAvailableFonts(void);
     bool SetCustomIntToken(string option);
     bool SetCustomStringToken(string option);
diff --git a/skindesigner.c b/skindesigner.c
index c3f3e66..71eb363 100644
--- a/skindesigner.c
+++ b/skindesigner.c
@@ -241,6 +241,7 @@ cString cPluginSkinDesigner::SVDRPCommand(const char *Command, const char *Optio
     cSkinDesigner *activeSkin = NULL;
     cSkinDesigner *availableSkin = NULL;
     config.InitSkinRefsIterator();
+    int result = 0;
     while (availableSkin = config.GetNextSkinRef()) {
         string activeSkinName = Setup.OSDSkin;
         string currentSkinName = availableSkin->Description();
@@ -256,6 +257,10 @@ cString cPluginSkinDesigner::SVDRPCommand(const char *Command, const char *Optio
     }
 
     if (strcasecmp(Command, "RELD") == 0) {
+	if (!activeSkin->Initialized()) {
+	    ReplyCode = 503;
+	    return "SKINDESIGNER reload of templates and caches failed: initialization not finished.";
+        }
         config.ClearSkinSetups();
         config.InitSkinIterator();
         string skin = "";
@@ -264,9 +269,21 @@ cString cPluginSkinDesigner::SVDRPCommand(const char *Command, const char *Optio
         }
         config.TranslateSetup();
         config.SetSkinSetupParameters();
-        activeSkin->Reload();
-        ReplyCode = 250;
-        return "SKINDESIGNER reload of templates and caches forced.";
+        result = activeSkin->Reload();
+        switch (result) {
+	    case 0:
+		ReplyCode = 250;
+	        return "SKINDESIGNER reload of templates and caches forced.";
+	    case 1:
+		ReplyCode = 501;
+	        return "SKINDESIGNER reload of templates and caches failed: error during loading - using LCARS as backup.";
+	    case 2:
+		ReplyCode = 503;
+	        return "SKINDESIGNER reload of templates and caches failed: OSD is open, close first.";
+	    default:
+		ReplyCode = 500;
+	        return "SKINDESIGNER reload of templates and caches failed: unknown reason (check code).";
+        };
     } else if (strcasecmp(Command, "DLIC") == 0) {
         if (imgCache)
             delete imgCache;