Corretta la gestione degli errori e visualizzazione del MsgBox finale.

Corretta gestione dell'errore di disco pieno.


git-svn-id: svn://10.65.10.50/trunk@1621 c028cbd2-c16b-5b4b-a496-9718f37d4682

ba/bacnvid.cpp

@@ -64,7 +64,7 @@ HIDDEN  int CGetField(const char *fieldname,RecDes* recd,RecType recin,long* d)
 class TIsam_date_converter : public TApplication
 {
   TFilename  _logfile;
-  
+  bool       _errors_found;
 protected:
   virtual bool create () ;
   virtual bool destroy();
@@ -83,9 +83,6 @@ bool TIsam_date_converter::create() // initvar e arrmask
 
 {
   TApplication::create();
-  _logfile.temp("convlog");
-  FILE * fp = fopen((const char*)_logfile,"w");
-  fclose(fp);
   update();
   return FALSE;
 }
@@ -99,6 +96,11 @@ bool TIsam_date_converter::destroy() // releasev e arrmask
 void TIsam_date_converter::update()
 
 { 
+  _logfile.temp("cnvlog");
+  FILE * fp = fopen(_logfile,"w");
+  fclose(fp);             
+  _errors_found = FALSE;
+
   long firm = get_firm();             
   TString pref;
   if (firm == 0) pref = prefix().name();
@@ -132,9 +134,13 @@ void TIsam_date_converter::update()
   else prefix().set(pref);
   set_autoload_new_files(TRUE);
   end_wait(); 
+  if (_errors_found)
+  {
     TString80 s;
-  s << "Esaminare il file di log " << _logfile << " in caso di errori." ;
+    s << "Esaminare il file di log " << _logfile << " per il riepilogo degli errori." ;
     message_box(s);
+  } else 
+    ::remove(_logfile);
 }
 
 void TIsam_date_converter::update_dir()
@@ -204,13 +210,16 @@ int TIsam_date_converter::convert_file(int logicnum)
   TDir  dir;
   TTrec r;
   int   err = NOERR;
-  bool restore_original=FALSE;
+  bool restore_original=FALSE, retry_file=FALSE;
   r.get(logicnum); 
   RecDes *rd=r.rec();
   TRecnotype i;
   const int nflds  = r.fields();
   const int nkeys  = r.keys();
   
+
+  do                        // External loop creation file in case of a disk full error. 
+  {                         // Appending records can easily reduce disk space!
     dir.get(logicnum);
     if (dir.len() == 0 || nflds < 1 || nkeys < 1) return 0;
     const char * fp = dir.name();
@@ -218,16 +227,34 @@ int TIsam_date_converter::convert_file(int logicnum)
     const TRecnotype nitems = dir.eod(); 
     const TRecnotype neox   = dir.eox();
     TFile f(dir.len());  
-
     old.ext("dta");
     if (fexist(old))
     {
       f.open(old);
     {
       TSystemisamfile newfile(logicnum);
-    
+      bool retry = FALSE;
-    if (newfile.build(10) != NOERR)
+      do                   // Internal loop creation file in case of a disk full error.
+      {                    // The program asks to continue (suspending momentanely execution),
+        newfile.build(10); // permitting the user to switch to a DOS session and free space on disk.
+        switch (newfile.status())
+        {
+        case NOERR:
+          retry=FALSE;
+          break;
+        case _isfilefull:
+          if (!yesno_box("Il disco e' pieno. Non riesco a creare il file %s. Riprovo?", fp))
+          {
+            message_box("Liberare spazio sull'unita' interessata e rieseguire la conversione.");
+            stop_run();
+          }
+          retry=TRUE;
+          break;
+        default:
           fatal_box("Non riesco a creare il file %s : errore n. %d", fp, newfile.status());
+          break;
+        }
+      } while (retry);   
     }
       
       TString s(80);   
@@ -246,9 +273,11 @@ int TIsam_date_converter::convert_file(int logicnum)
             tslog.add(rd->Fd[j].Name);
       const int tslog_items = tslog.items();      
       const int ts_items = ts.items();      
+      
       for (i = 1;  newfile.good() &&  i <= dir.eod(); i++)
       {                               
         f.read(newfile.curr().string(),i);
+        newfile.curr().setdirty();
         if (newfile.curr().string()[0] == '\0')  
         {
           newfile.curr().recall();
@@ -283,11 +312,27 @@ int TIsam_date_converter::convert_file(int logicnum)
         ::remove(old);
         old.ext("ndx");
         ::remove(old);
+        restore_original=FALSE;
+        retry_file=FALSE;
+      }
+      else 
+      {                                                                        
+        _errors_found=TRUE;
+        if (err == _isfilefull)
+        {
+          if (!yesno_box("Il disco e' pieno. Non riesco a scrivere sul file %s. Riprovo?", fp))
+          {
+            message_box("Liberare spazio sull'unita' interessata e rieseguire la conversione.");
+            retry_file=FALSE;
+          } else
+            retry_file=TRUE;
         }
         else 
         {
           error_box("Errore n.ro %d nella conversione dell' archivio %s:\n  %ld records non convertiti.",
                     err, fp, nitems - i + 2);
+          retry_file=FALSE;
+        }
         restore_original=TRUE;
       }
     } 
@@ -311,7 +356,27 @@ int TIsam_date_converter::convert_file(int logicnum)
         if (!fexist(s))     // Crea il file solo se non esiste il .DBF
         {
           TSystemisamfile f(logicnum);
-        f.build(10L);          
+          bool retry = FALSE;
+          do          
+          {           
+            f.build(10); 
+            switch (f.status())
+            {
+            case NOERR:
+              break;
+            case _isfilefull:
+              if (!yesno_box("Il disco e' pieno. Non riesco a creare il file %s. Riprovo?", fp))
+              {
+                message_box("Liberare spazio sull'unita' interessata e rieseguire la conversione.");
+                stop_run();
+              }
+              retry=TRUE;
+              break;
+            default:
+              fatal_box("Non riesco a creare il file %s : errore n. %d", fp, f.status());
+              break;
+            }
+          } while (retry);   
         }
       }
     } 
@@ -335,16 +400,21 @@ int TIsam_date_converter::convert_file(int logicnum)
       dir.eox()=neox;
       dir.put(logicnum,_nordir,_sysdirop);
       
-    FILE *fp = fopen((const char*)_logfile,"a");                       
+      if (!retry_file)
+      {
+        FILE *f = fopen((const char*)_logfile,"a");                       
         old.ext("dta");
-    fprintf(fp,"File: %s (%d). %ld records non convertiti. Errore %d.\n",
+        fprintf(f,"File: %s (%d). %ld records non convertiti. Errore %d.\n",
                 (const char*) old, logicnum, nitems-i+2, err);
-    fclose(fp);
+        fclose(f);
       }
+    }         
+  } while (retry_file && (err == _isfilefull)); 
+  if (err == _isfilefull) // This happens only when the user decides to answer NO.
+    stop_run(); 
   return err;
 }
 
-
 int main(int argc, char** argv)
 {
   TIsam_date_converter a;