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-rw-r--r--src/include/btree_map.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/include/btree_map.h b/src/include/btree_map.h
new file mode 100644
index 00000000..1f42ea41
--- /dev/null
+++ b/src/include/btree_map.h
@@ -0,0 +1,63 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_INCLUDE_BTREE_MAP_H
+#define CEPH_INCLUDE_BTREE_MAP_H
+
+#include "include/cpp-btree/btree.h"
+#include "include/cpp-btree/btree_map.h"
+#include "include/ceph_assert.h" // cpp-btree uses system assert, blech
+#include "include/encoding.h"
+
+template<class T, class U>
+inline void encode(const btree::btree_map<T,U>& m, bufferlist& bl)
+{
+ __u32 n = (__u32)(m.size());
+ encode(n, bl);
+ for (typename btree::btree_map<T,U>::const_iterator p = m.begin(); p != m.end(); ++p) {
+ encode(p->first, bl);
+ encode(p->second, bl);
+ }
+}
+template<class T, class U>
+inline void encode(const btree::btree_map<T,U>& m, bufferlist& bl, uint64_t features)
+{
+ __u32 n = (__u32)(m.size());
+ encode(n, bl);
+ for (typename btree::btree_map<T,U>::const_iterator p = m.begin(); p != m.end(); ++p) {
+ encode(p->first, bl, features);
+ encode(p->second, bl, features);
+ }
+}
+template<class T, class U>
+inline void decode(btree::btree_map<T,U>& m, bufferlist::const_iterator& p)
+{
+ __u32 n;
+ decode(n, p);
+ m.clear();
+ while (n--) {
+ T k;
+ decode(k, p);
+ decode(m[k], p);
+ }
+}
+template<class T, class U>
+inline void encode_nohead(const btree::btree_map<T,U>& m, bufferlist& bl)
+{
+ for (typename btree::btree_map<T,U>::const_iterator p = m.begin(); p != m.end(); ++p) {
+ encode(p->first, bl);
+ encode(p->second, bl);
+ }
+}
+template<class T, class U>
+inline void decode_nohead(int n, btree::btree_map<T,U>& m, bufferlist::const_iterator& p)
+{
+ m.clear();
+ while (n--) {
+ T k;
+ decode(k, p);
+ decode(m[k], p);
+ }
+}
+
+#endif