Changeset 757

Timestamp:

10/23/15 10:49:19 (8 years ago)

Author:

rlacroix

Message:

File: Add a new record_offset attribute.

This is mostly useful in read mode to skip some records.

Location:

XIOS/trunk/src

Files:

• config/file_attribute.conf (modified) (1 diff)
• io/nc4_data_output.cpp (modified) (1 diff)
• node/file.cpp (modified) (2 diffs)

XIOS/trunk/src/config/file_attribute.conf

@@ -17 +17 @@
 DECLARE_ENUM2(mode,          read, write)
 DECLARE_ENUM4(time_counter,  centered, instant, record, none)
+DECLARE_ATTRIBUTE(int,       record_offset)
 
 DECLARE_ATTRIBUTE(int,       compression_level)

XIOS/trunk/src/io/nc4_data_output.cpp

@@ -1401 +1401 @@
         if (!field->wasWritten())
         {
-          if (appendMode)
+          if (appendMode && field->file->record_offset.isEmpty())
           {
             field->resetNStep(getRecordFromTime(field->last_Write_srv) + 1);

XIOS/trunk/src/node/file.cpp

@@ -236 +236 @@
       allDomainEmpty = true;
 
+      if (!record_offset.isEmpty() && record_offset < 0)
+        ERROR("void CFile::initFile(void)",
+              "Invalid 'record_offset', this attribute cannot be negative.");
+      const size_t recordOffset = record_offset.isEmpty() ? 0 : record_offset;
+
       set<CAxis*> setAxis;
       set<CDomain*> setDomains;
@@ -250 +255 @@
          for (size_t i = 0; i < vecDomains.size(); ++i)
             setDomains.insert(vecDomains[i]);
+
+         field->resetNStep(recordOffset);
       }
       nbAxis = setAxis.size();