1 files changed, 87 insertions, 0 deletions
diff --git a/src/osd/osd_op_util.h b/src/osd/osd_op_util.h
new file mode 100644
index 000000000..300fe40cc
--- /dev/null
+++ b/src/osd/osd_op_util.h
@@ -0,0 +1,87 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <vector>
+#include <string>
+
+#include "osd/OSDMap.h"
+
+#include "messages/MOSDOp.h"
+
+class OpInfo {
+public:
+  struct ClassInfo {
+    ClassInfo(std::string&& class_name, std::string&& method_name,
+              bool read, bool write, bool allowed) :
+      class_name(std::move(class_name)), method_name(std::move(method_name)),
+      read(read), write(write), allowed(allowed)
+    {}
+    const std::string class_name;
+    const std::string method_name;
+    const bool read, write, allowed;
+  };
+
+private:
+  uint64_t rmw_flags = 0;
+  std::vector<ClassInfo> classes;
+
+  void set_rmw_flags(int flags);
+
+  void add_class(std::string&& class_name, std::string&& method_name,
+                 bool read, bool write, bool allowed) {
+    classes.emplace_back(std::move(class_name), std::move(method_name),
+                          read, write, allowed);
+  }
+
+public:
+
+  void clear() {
+    rmw_flags = 0;
+  }
+
+  uint64_t get_flags() const {
+    return rmw_flags;
+  }
+
+  bool check_rmw(int flag) const ;
+  bool may_read() const;
+  bool may_write() const;
+  bool may_cache() const;
+  bool rwordered_forced() const;
+  bool rwordered() const;
+  bool includes_pg_op() const;
+  bool need_read_cap() const;
+  bool need_write_cap() const;
+  bool need_promote() const;
+  bool need_skip_handle_cache() const;
+  bool need_skip_promote() const;
+  bool allows_returnvec() const;
+
+  void set_read();
+  void set_write();
+  void set_cache();
+  void set_class_read();
+  void set_class_write();
+  void set_pg_op();
+  void set_promote();
+  void set_skip_handle_cache();
+  void set_skip_promote();
+  void set_force_rwordered();
+  void set_returnvec();
+
+  int set_from_op(
+    const MOSDOp *m,
+    const OSDMap &osdmap);
+  int set_from_op(
+    const std::vector<OSDOp> &ops,
+    const pg_t &pg,
+    const OSDMap &osdmap);
+
+  std::vector<ClassInfo> get_classes() const {
+    return classes;
+  }
+};
+
+std::ostream& operator<<(std::ostream& out, const OpInfo::ClassInfo& i);