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/*++
Copyright (c) 1998 Microsoft Corporation
Module Name:
partctrl.h
Abstract:
SIS Groveler partition controller headers
Authors:
John Douceur, 1998
Environment:
User Mode
Revision History:
--*/
#ifndef _INC_PARTCTRL
#define _INC_PARTCTRL
class PartitionController{public:
PartitionController( Groveler *groveler, GrovelStatus groveler_status, int target_entries_per_extraction, int max_extraction_interval, int base_grovel_interval, int max_grovel_interval, int low_confidence_grovel_interval, int low_disk_space_grovel_interval, int partition_info_update_interval, int base_restart_extraction_interval, int max_restart_extraction_interval, int base_restart_groveling_interval, int max_restart_groveling_interval, int base_regrovel_interval, int max_regrovel_interval, int volscan_regrovel_threshold, int partition_balance_time_constant, int read_time_increase_history_size, int read_time_decrease_history_size, int file_size_history_size, bool error_retry_log_extraction, bool error_retry_groveling, __int64 base_usn_log_size, __int64 max_usn_log_size, int sample_group_size, double acceptance_p_value, double rejection_p_value, double base_use_multiplier, double max_use_multiplier, double peak_finder_accuracy, double peak_finder_range, double base_cpu_load_threshold, double max_cpu_load_threshold, double *hash_match_ratio, double *compare_match_ratio, double *dequeue_hash_ratio, double *hash_read_time_estimate, double *compare_read_time_estimate, double *mean_file_size, double *read_time_confidence, int *volume_serial_number, int partition_index, double read_report_discard_threshold, int min_file_size, int min_file_age, bool allow_compressed_files, bool allow_encrypted_files, bool allow_hidden_files, bool allow_offline_files, bool allow_temporary_files, int num_excluded_paths, const _TCHAR **excluded_paths);
~PartitionController();
bool control_operation( DWORD grovel_duration, DWORD *count_of_files_hashed, DWORDLONG *bytes_of_files_hashed, DWORD *count_of_files_matching, DWORDLONG *bytes_of_files_matching, DWORD *count_of_files_compared, DWORDLONG *bytes_of_files_compared, DWORD *count_of_files_merged, DWORDLONG *bytes_of_files_merged, DWORD *count_of_files_enqueued, DWORD *count_of_files_dequeued, double cpu_load);
void advance( int time_delta);
double priority() const;
int wait() const;
void demarcate_foreground_batch();
void command_full_volume_scan();
private:
enum ReadType { RT_hash, RT_compare };
static void control_extraction( void *context);
static void restart_extraction( void *context);
static void restart_groveling( void *context);
static void update_partition_info( void *context);
void initialize_groveling( GrovelStatus groveler_status);
bool control_groveling( DWORD grovel_duration, DWORD *count_of_files_hashed, DWORDLONG *bytes_of_files_hashed, DWORD *count_of_files_matching, DWORDLONG *bytes_of_files_matching, DWORD *count_of_files_compared, DWORDLONG *bytes_of_files_compared, DWORD *count_of_files_merged, DWORDLONG *bytes_of_files_merged, DWORD *count_of_files_enqueued, DWORD *count_of_files_dequeued, double cpu_load);
bool control_volume_scan( int scan_duration, DWORD *count_of_files_enqueued);
void update_peak_finder( ReadType read_type, DWORD read_time, DWORD read_ops);
void calculate_effective_max_grovel_interval();
Groveler *groveler; int partition_index;
IncidentFilter file_size_filter; ConfidenceEstimator read_time_confidence_estimator; DecayingAccumulator partition_grovel_accumulator;
MeanComparator read_mean_comparator; PeakFinder *read_peak_finder[2]; DirectedIncidentFilter *read_time_filter[2]; double *read_time_estimate[2];
bool initiate_full_volume_scan; bool performing_full_volume_scan; int target_entries_per_extraction; int max_extraction_interval; int extraction_interval;
__int64 base_usn_log_size; __int64 max_usn_log_size; __int64 current_usn_log_size;
int max_grovel_interval; int base_grovel_interval; int effective_max_grovel_interval; int grovel_interval; int remaining_grovel_interval;
bool ok_to_record_measurement; int next_untrusted_measurement_time; int untrusted_measurement_interval;
double log_max_grovel_interval; double log_low_confidence_slope; double low_disk_space_slope;
double base_use_multiplier; double use_multiplier_slope;
double base_cpu_load_threshold; double cpu_load_threshold_slope;
bool error_retry_log_extraction; bool error_retry_groveling; bool restart_extraction_required;
int base_restart_extraction_interval; int max_restart_extraction_interval; int base_restart_groveling_interval; int max_restart_groveling_interval;
int restart_extraction_interval; int remaining_restart_extraction_interval; int restart_groveling_interval;
double peak_finder_accuracy;
int volscan_regrovel_threshold; int partition_info_update_interval;
bool restart_volume_scan; bool first_extraction; bool log_extractor_dead; bool groveler_dead; bool extended_restart_in_progress;
double volume_total_bytes; double volume_free_bytes; double *hash_match_ratio; double *compare_match_ratio; double *dequeue_hash_ratio;
double *mean_file_size; double *read_time_confidence; double free_space_ratio; int *volume_serial_number;
int base_regrovel_interval; int max_regrovel_interval; double read_report_discard_threshold; int min_file_size; int min_file_age; bool allow_compressed_files; bool allow_encrypted_files; bool allow_hidden_files; bool allow_offline_files; bool allow_temporary_files; int num_excluded_paths; const _TCHAR **excluded_paths;};
#endif /* _INC_PARTCTRL */
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