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 #define SMB_PERFCOUNTER_INTERFACE_VERSION       1
  24
  25 struct smb_perfcount_data{
  26         struct smb_perfcount_handlers *handlers;
  27         void *context;
  28 };
  29
  30 struct smb_perfcount_handlers {
  31         void (*perfcount_start) (struct smb_perfcount_data *pcd);
  32         void (*perfcount_add) (struct smb_perfcount_data *pcd);
  33         void (*perfcount_set_op) (struct smb_perfcount_data *pcd, int op);
  34         void (*perfcount_set_subop) (struct smb_perfcount_data *pcd, int subop);
  35         void (*perfcount_set_ioctl) (struct smb_perfcount_data *pcd, int io_ctl);
  36         void (*perfcount_set_msglen_in) (struct smb_perfcount_data *pcd,
  37                                          uint64_t in_bytes);
  38         void (*perfcount_set_msglen_out) (struct smb_perfcount_data *pcd,
  39                                           uint64_t out_bytes);
  40         void (*perfcount_copy_context) (struct smb_perfcount_data *pcd,
  41                                         struct smb_perfcount_data *new_pcd);
  42         void (*perfcount_defer_op) (struct smb_perfcount_data *pcd,
  43                                     struct smb_perfcount_data *def_pcd);
  44         void (*perfcount_end) (struct smb_perfcount_data *pcd);
  45 };
  46
  47 bool smb_perfcount_init(void);
  48
  49 NTSTATUS smb_register_perfcounter(int interface_version, const char *name,
  50                                   const struct smb_perfcount_handlers *handlers);
  51
  52 void smb_init_perfcount_data(struct smb_perfcount_data *pcd);
  53
  54 #define SMB_PERFCOUNT_START(_pcd_) \
  55     do {if((_pcd_) && (_pcd_)->handlers) \
  56             (_pcd_)->handlers->perfcount_start((_pcd_)); \
  57     } while (0)
  58
  59 #define SMB_PERFCOUNT_ADD(_pcd_) \
  60     do {if((_pcd_) && (_pcd_)->handlers) \
  61             (_pcd_)->handlers->perfcount_add((_pcd_)); \
  62     } while (0)
  63
  64 #define SMB_PERFCOUNT_SET_OP(_pcd_,_op_) \
  65     do {if((_pcd_) && (_pcd_)->handlers) \
  66             (_pcd_)->handlers->perfcount_set_op((_pcd_), (_op_)); \
  67     } while (0)
  68
  69 #define SMB_PERFCOUNT_SET_SUBOP(_pcd_,_subop_) \
  70     do {if((_pcd_) && (_pcd_)->handlers) \
  71             (_pcd_)->handlers->perfcount_set_subop((_pcd_), (_subop_)); \
  72     } while (0)
  73
  74 #define SMB_PERFCOUNT_SET_IOCTL(_pcd_,_subop_) \
  75     do {if((_pcd_) && (_pcd_)->handlers) \
  76             (_pcd_)->handlers->perfcount_set_ioctl((_pcd_), (_subop_)); \
  77     } while (0)
  78
  79 #define SMB_PERFCOUNT_SET_MSGLEN_IN(_pcd_,_in_) \
  80     do {if((_pcd_) && (_pcd_)->handlers) \
  81             (_pcd_)->handlers->perfcount_set_msglen_in((_pcd_), (_in_));\
  82     } while (0)
  83
  84 #define SMB_PERFCOUNT_SET_MSGLEN_OUT(_pcd_,_out_) \
  85     do {if((_pcd_) && (_pcd_)->handlers) \
  86             (_pcd_)->handlers->perfcount_set_msglen_out((_pcd_), (_out_));\
  87     } while (0)
  88
  89 #define SMB_PERFCOUNT_COPY_CONTEXT(_pcd_, _new_pcd_) \
  90     do {if((_pcd_) && (_pcd_)->handlers) \
  91             (_pcd_)->handlers->perfcount_copy_context((_pcd_), (_new_pcd_)); \
  92     } while (0)
  93
  94 #define SMB_PERFCOUNT_DEFER_OP(_pcd_, _def_pcd_) \
  95     do {if((_pcd_) && (_pcd_)->handlers) \
  96             (_pcd_)->handlers->perfcount_defer_op((_pcd_), (_def_pcd_)); \
  97     } while (0)
  98
  99 #define SMB_PERFCOUNT_END(_pcd_) \
 100     do {if((_pcd_) && (_pcd_)->handlers) \
 101             (_pcd_)->handlers->perfcount_end((_pcd_));\
 102     } while (0)
 103
 104 #endif /* _SMB_PERFCOUNT_H_ */