initial code repo

[stor4nfv.git] / src / ceph / src / cls / version / cls_version_types.h

diff --git a/src/ceph/src/cls/version/cls_version_types.h b/src/ceph/src/cls/version/cls_version_types.h
new file mode 100644 (file)
index 0000000..22ae077
--- /dev/null
+++ b/src/ceph/src/cls/version/cls_version_types.h
@@ -0,0 +1,91 @@
+#ifndef CEPH_CLS_VERSION_TYPES_H
+#define CEPH_CLS_VERSION_TYPES_H
+
+#include "include/encoding.h"
+#include "include/types.h"
+
+class JSONObj;
+
+
+struct obj_version {
+  uint64_t ver;
+  string tag;
+
+  obj_version() : ver(0) {}
+
+  void encode(bufferlist& bl) const {
+    ENCODE_START(1, 1, bl);
+    ::encode(ver, bl);
+    ::encode(tag, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(bufferlist::iterator& bl) {
+    DECODE_START(1, bl);
+    ::decode(ver, bl);
+    ::decode(tag, bl);
+    DECODE_FINISH(bl);
+  }
+
+  void inc() {
+    ver++;
+  }
+
+  void clear() {
+    ver = 0;
+    tag.clear();
+  }
+
+  bool empty() {
+    return tag.empty();
+  }
+
+  bool compare(struct obj_version *v) {
+    return (ver == v->ver &&
+            tag.compare(v->tag) == 0);
+  }
+
+  void dump(Formatter *f) const;
+  void decode_json(JSONObj *obj);
+};
+WRITE_CLASS_ENCODER(obj_version)
+
+enum VersionCond {
+  VER_COND_NONE =      0,
+  VER_COND_EQ,  /* equal */
+  VER_COND_GT,  /* greater than */
+  VER_COND_GE,  /* greater or equal */
+  VER_COND_LT,  /* less than */
+  VER_COND_LE,  /* less or equal */
+  VER_COND_TAG_EQ,
+  VER_COND_TAG_NE,
+};
+
+struct obj_version_cond {
+  struct obj_version ver;
+  VersionCond cond;
+
+  void encode(bufferlist& bl) const {
+    ENCODE_START(1, 1, bl);
+    ::encode(ver, bl);
+    uint32_t c = (uint32_t)cond;
+    ::encode(c, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(bufferlist::iterator& bl) {
+    DECODE_START(1, bl);
+    ::decode(ver, bl);
+    uint32_t c;
+    ::decode(c, bl);
+    cond = (VersionCond)c;
+    DECODE_FINISH(bl);
+  }
+
+};
+WRITE_CLASS_ENCODER(obj_version_cond)
+
+
+#endif
+
+