ceph/src/cls/lua/cls_lua_client.cc

   1 #include <string>
   2 #include <vector>
   3 #include "include/encoding.h"
   4 #include "include/rados/librados.hpp"  // for IoCtx
   5 #include "cls_lua_client.h"
   6 #include "cls_lua_ops.h"
   7
   8 using std::string;
   9 using std::vector;
  10 using librados::IoCtx;
  11 using librados::bufferlist;
  12
  13 namespace cls_lua_client {
  14   /*
  15    * Currently the return code and return bufferlist are not wrapped in a
  16    * protocol that allows object class vs Lua to be distinguished. For
  17    * instance, -EOPNOTSUPP might refer to cls_lua not being found, but would
  18    * also be returned when cls_lua is found, but a Lua handler is not found.
  19    */
  20   int exec(IoCtx& ioctx, const string& oid, const string& script,
  21       const string& handler, bufferlist& input, bufferlist& output)
  22   {
  23     cls_lua_eval_op op;
  24
  25     op.script = script;
  26     op.handler = handler;
  27     op.input = input;
  28
  29     bufferlist inbl;
  30     ::encode(op, inbl);
  31
  32     return ioctx.exec(oid, "lua", "eval_bufferlist", inbl, output);
  33   }
  34 }