mirror of https://github.com/ArduPilot/ardupilot
257 lines
8.3 KiB
C++
257 lines
8.3 KiB
C++
#pragma once
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#include "AP_Logger.h"
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#include <AP_Common/Bitmask.h>
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class LoggerMessageWriter_DFLogStart;
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#define MAX_LOG_FILES 500
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// class to handle rate limiting of log messages
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class AP_Logger_RateLimiter
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{
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public:
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AP_Logger_RateLimiter(const AP_Logger &_front, const AP_Float &_limit_hz);
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// return true if message passes the rate limit test
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bool should_log(uint8_t msgid, bool writev_streaming);
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bool should_log_streaming(uint8_t msgid);
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private:
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const AP_Logger &front;
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const AP_Float &rate_limit_hz;
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// time in ms we last sent this message
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uint16_t last_send_ms[256];
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// the last scheduler counter when we sent a msg. this allows us
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// to detect when we are sending a multi-instance message
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uint16_t last_sched_count[256];
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// mask of message types that are not streaming. This is a cache
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// to avoid costly calls to structure_for_msg_type
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Bitmask<256> not_streaming;
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// result of last decision for a message. Used for multi-instance
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// handling
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Bitmask<256> last_return;
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};
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class AP_Logger_Backend
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{
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public:
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FUNCTOR_TYPEDEF(vehicle_startup_message_Writer, void);
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AP_Logger_Backend(AP_Logger &front,
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class LoggerMessageWriter_DFLogStart *writer);
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vehicle_startup_message_Writer vehicle_message_writer() const;
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virtual bool CardInserted(void) const = 0;
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// erase handling
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virtual void EraseAll() = 0;
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/* Write a block of data at current offset */
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bool WriteBlock(const void *pBuffer, uint16_t size) {
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return WritePrioritisedBlock(pBuffer, size, false);
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}
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bool WriteCriticalBlock(const void *pBuffer, uint16_t size) {
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return WritePrioritisedBlock(pBuffer, size, true);
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}
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bool WritePrioritisedBlock(const void *pBuffer, uint16_t size, bool is_critical, bool writev_streaming=false);
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// high level interface, indexed by the position in the list of logs
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virtual uint16_t find_last_log() = 0;
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virtual void get_log_boundaries(uint16_t list_entry, uint32_t & start_page, uint32_t & end_page) = 0;
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virtual void get_log_info(uint16_t list_entry, uint32_t &size, uint32_t &time_utc) = 0;
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virtual int16_t get_log_data(uint16_t list_entry, uint16_t page, uint32_t offset, uint16_t len, uint8_t *data) = 0;
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virtual uint16_t get_num_logs() = 0;
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virtual uint16_t find_oldest_log();
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virtual bool logging_started(void) const = 0;
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virtual void Init() = 0;
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virtual uint32_t bufferspace_available() = 0;
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virtual void PrepForArming();
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virtual void start_new_log() { }
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/* stop logging - close output files etc etc.
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*
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* note that this doesn't stop logging from starting up again
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* immediately - e.g. AP_Logger_MAVLink might get another start
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* packet from a client.
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*/
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virtual void stop_logging(void) = 0;
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// asynchronously stop logging, status can be determined through logging_started()
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virtual void stop_logging_async(void) { stop_logging(); }
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void Fill_Format(const struct LogStructure *structure, struct log_Format &pkt);
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void Fill_Format_Units(const struct LogStructure *s, struct log_Format_Units &pkt);
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#if CONFIG_HAL_BOARD == HAL_BOARD_SITL || CONFIG_HAL_BOARD == HAL_BOARD_LINUX
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// currently only AP_Logger_File support this:
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virtual void flush(void) { }
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#endif
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// for Logger_MAVlink
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virtual void remote_log_block_status_msg(const GCS_MAVLINK &link,
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const mavlink_message_t &msg) { }
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// end for Logger_MAVlink
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virtual void periodic_tasks();
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uint8_t num_types() const;
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const struct LogStructure *structure(uint8_t structure) const;
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uint8_t num_units() const;
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const struct UnitStructure *unit(uint8_t unit) const;
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uint8_t num_multipliers() const;
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const struct MultiplierStructure *multiplier(uint8_t multiplier) const;
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bool Write_EntireMission();
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bool Write_RallyPoint(uint8_t total,
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uint8_t sequence,
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const class RallyLocation &rally_point);
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bool Write_Rally();
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bool Write_Format(const struct LogStructure *structure);
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bool Write_Message(const char *message);
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bool Write_MessageF(const char *fmt, ...);
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bool Write_Mission_Cmd(const AP_Mission &mission,
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const AP_Mission::Mission_Command &cmd);
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bool Write_Mode(uint8_t mode, const ModeReason reason);
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bool Write_Parameter(const char *name, float value, float default_val);
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bool Write_Parameter(const AP_Param *ap,
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const AP_Param::ParamToken &token,
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enum ap_var_type type,
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float default_val);
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bool Write_VER();
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uint32_t num_dropped(void) const {
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return _dropped;
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}
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/*
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* Write support
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*/
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// write a FMT message out (if it hasn't been done already).
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// Returns true if the FMT message has ever been written.
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bool Write_Emit_FMT(uint8_t msg_type);
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// write a log message out to the log of msg_type type, with
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// values contained in arg_list:
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bool Write(uint8_t msg_type, va_list arg_list, bool is_critical=false, bool is_streaming=false);
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// these methods are used when reporting system status over mavlink
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virtual bool logging_enabled() const;
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virtual bool logging_failed() const = 0;
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// We may need to make sure data is loggable before starting the
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// EKF; when allow_start_ekf we should be able to log that data
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bool allow_start_ekf() const;
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virtual void vehicle_was_disarmed();
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bool Write_Unit(const struct UnitStructure *s);
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bool Write_Multiplier(const struct MultiplierStructure *s);
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bool Write_Format_Units(const struct LogStructure *structure);
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virtual void io_timer(void) {}
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protected:
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AP_Logger &_front;
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virtual void periodic_10Hz(const uint32_t now);
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virtual void periodic_1Hz();
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virtual void periodic_fullrate();
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bool ShouldLog(bool is_critical);
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virtual bool WritesOK() const = 0;
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virtual bool StartNewLogOK() const;
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// called by PrepForArming to actually start logging
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virtual void PrepForArming_start_logging(void) {
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start_new_log();
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}
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/*
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read a block
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*/
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virtual bool WriteBlockCheckStartupMessages();
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virtual void WriteMoreStartupMessages();
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virtual void push_log_blocks();
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LoggerMessageWriter_DFLogStart *_startup_messagewriter;
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bool _writing_startup_messages;
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uint16_t _cached_oldest_log;
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uint32_t _dropped;
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uint32_t _log_file_size_bytes;
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// should we rotate when we next stop logging
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bool _rotate_pending;
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// must be called when a new log is being started:
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virtual void start_new_log_reset_variables();
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// convert between log numbering in storage and normalized numbering
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uint16_t log_num_from_list_entry(const uint16_t list_entry);
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uint32_t critical_message_reserved_space(uint32_t bufsize) const {
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// possibly make this a proportional to buffer size?
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uint32_t ret = 1024;
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if (ret > bufsize) {
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// in this case you will only get critical messages
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ret = bufsize;
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}
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return ret;
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};
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uint32_t non_messagewriter_message_reserved_space(uint32_t bufsize) const {
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// possibly make this a proportional to buffer size?
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uint32_t ret = 1024;
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if (ret >= bufsize) {
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// need to allow messages out from the messagewriters. In
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// this case while you have a messagewriter you won't get
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// any other messages. This should be a corner case!
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ret = 0;
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}
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return ret;
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};
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virtual bool _WritePrioritisedBlock(const void *pBuffer, uint16_t size, bool is_critical) = 0;
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bool _initialised;
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void df_stats_gather(uint16_t bytes_written, uint32_t space_remaining);
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void df_stats_log();
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void df_stats_clear();
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AP_Logger_RateLimiter *rate_limiter;
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private:
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// statistics support
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struct df_stats {
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uint16_t blocks;
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uint32_t bytes;
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uint32_t buf_space_min;
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uint32_t buf_space_max;
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uint32_t buf_space_sigma;
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};
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struct df_stats stats;
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uint32_t _last_periodic_1Hz;
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uint32_t _last_periodic_10Hz;
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bool have_logged_armed;
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void Write_AP_Logger_Stats_File(const struct df_stats &_stats);
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void validate_WritePrioritisedBlock(const void *pBuffer, uint16_t size);
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};
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