source3/include/smb_perfcount.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Portable SMB Messaging statistics interfaces
   4    Copyright (C) Todd Stecher (2008)
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #ifndef _SMB_PERFCOUNT_H_
  21 #define _SMB_PERFCOUNT_H_
  22
  23 /* Change to 2, loadable modules now take a TALLOC_CTX * parameter. */
  24 #define SMB_PERFCOUNTER_INTERFACE_VERSION       2
  25
  26 struct smb_perfcount_data{
  27         struct smb_perfcount_handlers *handlers;
  28         void *context;
  29 };
  30
  31 struct smb_perfcount_handlers {
  32         void (*perfcount_start) (struct smb_perfcount_data *pcd);
  33         void (*perfcount_add) (struct smb_perfcount_data *pcd);
  34         void (*perfcount_set_op) (struct smb_perfcount_data *pcd, int op);
  35         void (*perfcount_set_subop) (struct smb_perfcount_data *pcd, int subop);
  36         void (*perfcount_set_ioctl) (struct smb_perfcount_data *pcd, int io_ctl);
  37         void (*perfcount_set_msglen_in) (struct smb_perfcount_data *pcd,
  38                                          uint64_t in_bytes);
  39         void (*perfcount_set_msglen_out) (struct smb_perfcount_data *pcd,
  40                                           uint64_t out_bytes);
  41         void (*perfcount_copy_context) (struct smb_perfcount_data *pcd,
  42                                         struct smb_perfcount_data *new_pcd);
  43         void (*perfcount_defer_op) (struct smb_perfcount_data *pcd,
  44                                     struct smb_perfcount_data *def_pcd);
  45         void (*perfcount_end) (struct smb_perfcount_data *pcd);
  46 };
  47
  48 bool smb_perfcount_init(void);
  49
  50 NTSTATUS smb_register_perfcounter(int interface_version, const char *name,
  51                                   const struct smb_perfcount_handlers *handlers);
  52
  53 void smb_init_perfcount_data(struct smb_perfcount_data *pcd);
  54
  55 #define SMB_PERFCOUNT_START(_pcd_) \
  56     do {if((_pcd_) && (_pcd_)->handlers) \
  57             (_pcd_)->handlers->perfcount_start((_pcd_)); \
  58     } while (0)
  59
  60 #define SMB_PERFCOUNT_ADD(_pcd_) \
  61     do {if((_pcd_) && (_pcd_)->handlers) \
  62             (_pcd_)->handlers->perfcount_add((_pcd_)); \
  63     } while (0)
  64
  65 #define SMB_PERFCOUNT_SET_OP(_pcd_,_op_) \
  66     do {if((_pcd_) && (_pcd_)->handlers) \
  67             (_pcd_)->handlers->perfcount_set_op((_pcd_), (_op_)); \
  68     } while (0)
  69
  70 #define SMB_PERFCOUNT_SET_SUBOP(_pcd_,_subop_) \
  71     do {if((_pcd_) && (_pcd_)->handlers) \
  72             (_pcd_)->handlers->perfcount_set_subop((_pcd_), (_subop_)); \
  73     } while (0)
  74
  75 #define SMB_PERFCOUNT_SET_IOCTL(_pcd_,_subop_) \
  76     do {if((_pcd_) && (_pcd_)->handlers) \
  77             (_pcd_)->handlers->perfcount_set_ioctl((_pcd_), (_subop_)); \
  78     } while (0)
  79
  80 #define SMB_PERFCOUNT_SET_MSGLEN_IN(_pcd_,_in_) \
  81     do {if((_pcd_) && (_pcd_)->handlers) \
  82             (_pcd_)->handlers->perfcount_set_msglen_in((_pcd_), (_in_));\
  83     } while (0)
  84
  85 #define SMB_PERFCOUNT_SET_MSGLEN_OUT(_pcd_,_out_) \
  86     do {if((_pcd_) && (_pcd_)->handlers) \
  87             (_pcd_)->handlers->perfcount_set_msglen_out((_pcd_), (_out_));\
  88     } while (0)
  89
  90 #define SMB_PERFCOUNT_COPY_CONTEXT(_pcd_, _new_pcd_) \
  91     do {if((_pcd_) && (_pcd_)->handlers) \
  92             (_pcd_)->handlers->perfcount_copy_context((_pcd_), (_new_pcd_)); \
  93     } while (0)
  94
  95 #define SMB_PERFCOUNT_DEFER_OP(_pcd_, _def_pcd_) \
  96     do {if((_pcd_) && (_pcd_)->handlers) \
  97             (_pcd_)->handlers->perfcount_defer_op((_pcd_), (_def_pcd_)); \
  98     } while (0)
  99
 100 #define SMB_PERFCOUNT_END(_pcd_) \
 101     do {if((_pcd_) && (_pcd_)->handlers) \
 102             (_pcd_)->handlers->perfcount_end((_pcd_));\
 103     } while (0)
 104
 105 #endif /* _SMB_PERFCOUNT_H_ */