Source code of Windows XP (NT5)
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/*++
Copyright (c) 1998 Microsoft Corporation
Module Name:
share.h
Abstract:
SIS Groveler shared data class header
Authors:
John Douceur, 1998
Environment:
User Mode
Revision History:
--*/
#ifndef _INC_SHARE
#define _INC_SHARE
#pragma pack (8)
enum SharedDataField
{
SDF_grovel_time,
SDF_volscan_time,
SDF_extract_time,
SDF_working_time,
SDF_files_hashed,
SDF_files_compared,
SDF_files_merged,
SDF_files_scanned,
SDF_queue_length,
SDF_hash_read_time,
SDF_hash_read_ops,
SDF_compare_read_time,
SDF_compare_read_ops,
SDF_hash_read_estimate,
SDF_compare_read_estimate,
num_shared_data_fields
};
struct SharedDataRecord
{
_TCHAR *driveName;
__int64 fields[num_shared_data_fields];
};
const int max_shared_data_records = 128;
#pragma pack ()
class SharedData
{
public:
SharedData(
int num_records = -1,
_TCHAR **drive_names = 0);
~SharedData();
int count_of_records() const;
// _TCHAR drive_letter(
// int record_index) const;
__int64 get_value(
int record_index,
SharedDataField field);
void set_value(
int record_index,
SharedDataField field,
__int64 value);
void increment_value(
int record_index,
SharedDataField field,
__int64 value);
bool send_values();
bool receive_values();
bool extract_values(
int *num_records,
SharedDataRecord *records);
private:
int local_num_records;
int *shared_num_records;
SharedDataRecord local_records[max_shared_data_records];
SharedDataRecord *shared_records;
NamedMutex *mutex;
PSID security_identifier;
PACL access_control_list;
SECURITY_ATTRIBUTES security_attributes;
SECURITY_DESCRIPTOR security_descriptor;
bool map_ok;
HANDLE map_handle;
void *map_address;
};
#endif /* _INC_SHARE */