emmc_log.c File Reference

#include "emmc_log.h"
#include <stddef.h>
#include <string.h>

Include dependency graph for emmc_log.c:

Go to the source code of this file.

Functions
static void	put16 (uint8_t *p, uint16_t v)
static void	put32 (uint8_t *p, uint32_t v)
static uint16_t	get16 (const uint8_t *p)
static uint32_t	get32 (const uint8_t *p)
uint32_t	emmc_log_crc32 (const void *data, uint32_t len)
static void	lock (emmc_log_t *log)
static void	unlock (emmc_log_t *log)
static uint8_t *	block_at (emmc_log_t *log, uint8_t chunk, uint8_t block)
static void	chunk_complete (emmc_log_t *log)
static void	close_block (emmc_log_t *log)
static void	seal (emmc_log_t *log)
static bool	acquire (emmc_log_t *log)
static bool	put_record (emmc_log_t *log, uint8_t type, uint32_t t_ms, const void *data, uint8_t len)
static bool	keep (emmc_log_t *log, uint8_t type, uint32_t t_ms, const void *data, uint8_t len)
emmc_log_config_t	emmc_log_default_config (void)
emmc_status_t	emmc_log_init (emmc_log_t *log, const emmc_port_t *port, void *context, const emmc_log_config_t *config, emmc_log_chunk_t *chunks, uint8_t chunk_count, uint8_t *scratch)
bool	emmc_log_on_state (emmc_log_t *log, flight_state_t from, flight_state_t to, uint32_t now_ms)
bool	emmc_log_append (emmc_log_t *log, uint8_t type, uint32_t t_ms, const void *data, uint8_t len)
void	emmc_log_flush (emmc_log_t *log)
uint8_t	emmc_log_backlog (const emmc_log_t *log)
static void	stop (emmc_log_t *log, emmc_disk_state_t why)
static void	release_write_chunk (emmc_log_t *log, bool written)
static emmc_status_t	probe (emmc_log_t *log, uint32_t k, bool *valid, uint32_t *session)
static emmc_status_t	search (emmc_log_t *log, uint32_t lo, uint32_t hi, uint32_t *end)
static emmc_status_t	format (emmc_log_t *log)
static emmc_status_t	mount (emmc_log_t *log)
emmc_status_t	emmc_log_service (emmc_log_t *log, uint32_t now_ms)

Function Documentation

acquire()

bool acquire ( emmc_log_t * log )

static

Definition at line 104 of file emmc_log.c.

References emmc_log_t::arm_index, emmc_log_chunk_t::bytes, emmc_log_t::chunk_arm, emmc_log_t::chunk_state, emmc_log_t::chunks, EMMC_CHUNK_FILLING, EMMC_CHUNK_FREE, EMMC_LOG_CHUNK_BYTES, emmc_log_t::fill_aged, emmc_log_t::fill_block, emmc_log_t::fill_chunk, emmc_log_t::fill_offset, emmc_log_t::fill_started_ms, and emmc_log_t::has_fill.

Referenced by put_record().

block_at()

uint8_t * block_at ( emmc_log_t * log, uint8_t chunk, uint8_t block )

static

Definition at line 63 of file emmc_log.c.

References emmc_log_chunk_t::bytes, chunk, emmc_log_t::chunks, and EMMC_BLOCK_SIZE.

Referenced by close_block(), emmc_log_service(), put_record(), and seal().

chunk_complete()

void chunk_complete ( emmc_log_t * log )

static

Definition at line 67 of file emmc_log.c.

References emmc_log_t::chunk_count, emmc_log_t::chunk_state, EMMC_CHUNK_READY, emmc_log_t::fill_chunk, and emmc_log_t::has_fill.

Referenced by close_block(), and seal().

close_block()

void close_block ( emmc_log_t * log )

static

Definition at line 73 of file emmc_log.c.

References b, block_at(), chunk_complete(), EMMC_LOG_CHUNK_BLOCKS, EMMC_LOG_KIND_DATA, emmc_log_t::fill_block, emmc_log_t::fill_chunk, emmc_log_t::fill_offset, and put16().

Referenced by put_record(), and seal().

emmc_log_append()

bool emmc_log_append	(	emmc_log_t *	log,
		uint8_t	type,
		uint32_t	t_ms,
		const void *	data,
		uint8_t	len )

Definition at line 235 of file emmc_log.c.

References keep(), lock, ok, emmc_log_t::recording, and unlock().

Referenced by sink(), test_backpressure(), test_flight_keeps_recording(), test_full(), test_no_io_before_arm(), test_session_roundtrip(), test_sessions_and_remount(), test_start_failure(), test_torn_write(), test_write_retry(), to_emmc(), and to_emmc().

emmc_log_backlog()

uint8_t emmc_log_backlog

(

const emmc_log_t *

log

)

Definition at line 252 of file emmc_log.c.

References emmc_log_t::chunk_count, emmc_log_t::chunk_state, and EMMC_CHUNK_READY.

Referenced by drain(), emmc_stm32_writer_task(), fly(), service_card(), and test_backpressure().

emmc_log_crc32()

uint32_t emmc_log_crc32	(	const void *	data,
		uint32_t	len )

Definition at line 31 of file emmc_log.c.

References p.

Referenced by emmc_log_service(), format(), mount(), probe(), and test_crc().

emmc_log_default_config()

emmc_log_config_t emmc_log_default_config

(

void

)

Definition at line 167 of file emmc_log.c.

References emmc_log_config_t::data_start_lba, EMMC_LOG_DEFAULT_DATA_START, emmc_log_config_t::flush_interval_ms, emmc_log_config_t::read_budget_ms, emmc_log_config_t::write_attempts, and emmc_log_config_t::write_budget_ms.

Referenced by config(), emmc_stm32_init(), anonymous_namespace{idle_e2e.cpp}::world_init(), and world_init().

emmc_log_flush()

void emmc_log_flush

(

emmc_log_t *

log

)

Definition at line 246 of file emmc_log.c.

References lock, seal(), and unlock().

Referenced by test_backpressure(), test_flight_keeps_recording(), test_full(), test_sessions_and_remount(), test_stale_epoch(), test_start_failure(), test_torn_write(), test_torn_write_hole(), and test_write_retry().

emmc_log_init()

emmc_status_t emmc_log_init	(	emmc_log_t *	log,
		const emmc_port_t *	port,
		void *	context,
		const emmc_log_config_t *	config,
		emmc_log_chunk_t *	chunks,
		uint8_t	chunk_count,
		uint8_t *	scratch )

Definition at line 177 of file emmc_log.c.

References emmc_log_t::chunk_count, chunks, emmc_log_t::chunks, config, emmc_log_t::config, emmc_log_t::context, emmc_log_t::disk, EMMC_DISK_UNMOUNTED, EMMC_ERR_PARAM, EMMC_LOG_MAX_CHUNKS, EMMC_OK, NULL, emmc_log_t::port, port, emmc_log_t::scratch, and scratch.

Referenced by emmc_stm32_init(), log_new(), test_invalid_init(), anonymous_namespace{idle_e2e.cpp}::world_init(), and world_init().

emmc_log_on_state()

bool emmc_log_on_state	(	emmc_log_t *	log,
		flight_state_t	from,
		flight_state_t	to,
		uint32_t	now_ms )

Definition at line 200 of file emmc_log.c.

References emmc_log_t::arm_index, emmc_log_t::disk, EMMC_DISK_FAULT, EMMC_DISK_FULL, EMMC_REC_SESSION_END, EMMC_REC_SESSION_START, EMMC_REC_STATE, flight_state_logs_to_emmc(), keep(), lock, ok, emmc_log_t::recording, seal(), unlock(), and emmc_log_t::unreported_drops.

Referenced by app_set_state(), change_state(), anonymous_namespace{idle_e2e.cpp}::set_state(), test_backpressure(), test_flight_keeps_recording(), test_flush_interval(), test_full(), test_no_io_before_arm(), test_session_roundtrip(), test_sessions_and_remount(), test_stale_epoch(), test_start_failure(), test_torn_write(), test_torn_write_hole(), and test_write_retry().

emmc_log_service()

emmc_status_t emmc_log_service	(	emmc_log_t *	log,
		uint32_t	now_ms )

Definition at line 424 of file emmc_log.c.

References arm(), b, emmc_log_t::base_session, block_at(), emmc_log_chunk_t::bytes, emmc_log_t::capacity, emmc_log_t::chunk_arm, emmc_log_t::chunk_state, emmc_log_t::chunks, emmc_log_t::config, emmc_log_t::context, emmc_log_config_t::data_start_lba, emmc_log_t::disk, EMMC_CHUNK_READY, EMMC_DISK_FAULT, EMMC_DISK_FULL, EMMC_DISK_MOUNTED, EMMC_DISK_UNMOUNTED, EMMC_ERR_NOT_READY, EMMC_LOG_BLOCK_MAGIC, EMMC_LOG_CHUNK_BLOCKS, emmc_log_crc32(), EMMC_OK, emmc_log_t::epoch, emmc_log_t::fill_aged, emmc_log_t::fill_started_ms, emmc_log_config_t::flush_interval_ms, emmc_log_t::has_fill, emmc_log_t::head, lock, mount(), emmc_log_t::port, put32(), release_write_chunk(), seal(), emmc_log_t::stats, stop(), unlock(), emmc_port_t::write, emmc_log_config_t::write_attempts, emmc_log_config_t::write_budget_ms, emmc_log_t::write_chunk, emmc_log_stats_t::write_errors, and emmc_log_t::write_tries.

Referenced by drain(), emmc_stm32_writer_task(), service_card(), test_flush_interval(), test_full(), test_no_io_before_arm(), test_start_failure(), test_torn_write(), test_torn_write_hole(), and test_write_retry().

format()

emmc_status_t format ( emmc_log_t * log )

static

Definition at line 324 of file emmc_log.c.

References emmc_log_t::capacity, emmc_log_t::config, emmc_log_t::context, emmc_log_config_t::data_start_lba, EMMC_BLOCK_SIZE, EMMC_LOG_BLOCK_MAGIC, emmc_log_crc32(), EMMC_LOG_LAYOUT_VERSION, EMMC_LOG_SUPER_MAGIC, EMMC_OK, emmc_log_t::epoch, get32(), emmc_log_t::port, put32(), emmc_port_t::read, emmc_log_config_t::read_budget_ms, emmc_log_t::scratch, emmc_port_t::write, and emmc_log_config_t::write_budget_ms.

Referenced by detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::binary_reader(), detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::exception_message(), detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::get_binary(), detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::get_number(), detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::get_string(), stardesign.jsformat::js_to_fixed(), pareto_throat_dp_pressures::main(), run_layer1_region_b_coop_pressures::main(), run_layer1_region_b_injector_geometry::main(), sensitivity_cd_assumptions_layer1::main(), mount(), config_loader::print_config_summary(), print_floating_point_to_stream(), print_integer_to_stream(), engine.optimizer.main_optimizer::run_full_engine_optimization_with_flight_sim(), detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::sax_parse(), detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::unexpect_eof(), and detail::binary_writer< BasicJsonType, CharType >::write_compact_float().

get16()

uint16_t get16 ( const uint8_t * p )

static

Definition at line 20 of file emmc_log.c.

References p.

Referenced by probe().

get32()

uint32_t get32 ( const uint8_t * p )

static

Definition at line 24 of file emmc_log.c.

References p.

Referenced by format(), mount(), and probe().

keep()

bool keep ( emmc_log_t * log, uint8_t type, uint32_t t_ms, const void * data, uint8_t len )

static

Definition at line 146 of file emmc_log.c.

References emmc_log_stats_t::dropped, EMMC_REC_DROPPED, put32(), put_record(), emmc_log_stats_t::records, emmc_log_t::stats, and emmc_log_t::unreported_drops.

Referenced by emmc_log_append(), emmc_log_on_state(), detail::json_sax_dom_callback_parser< BasicJsonType >::end_array(), detail::json_sax_dom_callback_parser< BasicJsonType >::handle_value(), detail::json_sax_dom_callback_parser< BasicJsonType >::key(), detail::json_sax_dom_callback_parser< BasicJsonType >::start_array(), detail::json_sax_dom_callback_parser< BasicJsonType >::start_object(), and xfer().

lock()

void lock ( emmc_log_t * log )

static

Definition at line 49 of file emmc_log.c.

References emmc_log_t::context, emmc_port_t::lock, and emmc_log_t::port.

mount()

emmc_status_t mount ( emmc_log_t * log )

static

Definition at line 354 of file emmc_log.c.

References emmc_log_t::base_session, emmc_log_t::capacity, config, emmc_log_t::config, emmc_log_t::context, emmc_log_config_t::data_start_lba, emmc_log_t::disk, EMMC_DISK_MOUNTED, EMMC_ERR_PARAM, EMMC_LOG_CHUNK_BLOCKS, emmc_log_crc32(), EMMC_LOG_LAYOUT_VERSION, EMMC_LOG_SUPER_MAGIC, EMMC_OK, end(), emmc_log_t::epoch, format(), get32(), emmc_log_t::head, lock, NULL, emmc_log_t::port, probe(), emmc_port_t::read, emmc_log_config_t::read_budget_ms, emmc_log_t::scratch, search(), emmc_port_t::start, and unlock().

Referenced by emmc_log_service().

probe()

emmc_status_t probe ( emmc_log_t * log, uint32_t k, bool * valid, uint32_t * session )

static

Definition at line 284 of file emmc_log.c.

References b, emmc_log_t::config, emmc_log_t::context, emmc_log_config_t::data_start_lba, EMMC_LOG_BLOCK_MAGIC, emmc_log_crc32(), EMMC_LOG_KIND_DATA, EMMC_LOG_KIND_PAD, EMMC_LOG_PAYLOAD_BYTES, EMMC_OK, emmc_log_t::epoch, get16(), get32(), emmc_log_t::port, emmc_port_t::read, emmc_log_config_t::read_budget_ms, and emmc_log_t::scratch.

Referenced by fsw::calibration::LcTareStore::fingerprint(), mount(), fsw::calibration::LcTareStore::recompute(), fsw::calibration::LcTareStore::recompute_all(), fsw::calibration::LcTareStore::recompute_stale(), and search().

put16()

void put16 ( uint8_t * p, uint16_t v )

static

Definition at line 8 of file emmc_log.c.

References p.

Referenced by close_block().

put32()

void put32 ( uint8_t * p, uint32_t v )

static

Definition at line 13 of file emmc_log.c.

References p.

Referenced by emmc_log_service(), format(), keep(), and put_record().

put_record()

bool put_record ( emmc_log_t * log, uint8_t type, uint32_t t_ms, const void * data, uint8_t len )

static

Definition at line 120 of file emmc_log.c.

References acquire(), block_at(), close_block(), EMMC_LOG_HEADER_BYTES, EMMC_LOG_PAYLOAD_BYTES, EMMC_LOG_RECORD_HEADER_BYTES, emmc_log_t::fill_block, emmc_log_t::fill_chunk, emmc_log_t::fill_offset, emmc_log_t::has_fill, p, and put32().

Referenced by keep().

release_write_chunk()

void release_write_chunk ( emmc_log_t * log, bool written )

static

Definition at line 270 of file emmc_log.c.

References emmc_log_t::chunk_count, emmc_log_t::chunk_state, emmc_log_stats_t::chunks_lost, emmc_log_stats_t::chunks_written, EMMC_CHUNK_FREE, lock, emmc_log_t::stats, unlock(), emmc_log_t::write_chunk, and emmc_log_t::write_tries.

Referenced by emmc_log_service().

seal()

void seal ( emmc_log_t * log )

static

Definition at line 84 of file emmc_log.c.

References block_at(), chunk_complete(), close_block(), EMMC_LOG_CHUNK_BLOCKS, EMMC_LOG_KIND_PAD, emmc_log_t::fill_block, emmc_log_t::fill_chunk, emmc_log_t::fill_offset, emmc_log_t::has_fill, emmc_log_stats_t::pad_blocks, and emmc_log_t::stats.

Referenced by emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), and stop().

search()

emmc_status_t search ( emmc_log_t * log, uint32_t lo, uint32_t hi, uint32_t * end )

static

Definition at line 305 of file emmc_log.c.

References EMMC_OK, end(), NULL, and probe().

Referenced by mount().

stop()

void stop ( emmc_log_t * log, emmc_disk_state_t why )

static

Definition at line 262 of file emmc_log.c.

References emmc_log_t::disk, lock, emmc_log_t::recording, seal(), and unlock().

Referenced by combined_gui.TopBarWidget::_apply_abort_state(), actuator_testing_gui.ActuatorTestingWindow::_on_send_heartbeat_changed(), sense_testing_gui.SenseTestingGUIWindow::_on_send_heartbeat_changed(), gui.App::_toggle_connect(), combined_gui.TopBarWidget::abort(), actuator_testing_gui.ActuatorTestingWindow::closeEvent(), combined_gui.SensorDebugDialog::closeEvent(), gui.App::closeEvent(), lc_calibration_gui.LCPlotWindow::closeEvent(), pt_multi_gui.PTPlotWindow::closeEvent(), sense_testing_gui.SenseTestingGUIWindow::closeEvent(), emmc_log_service(), combined_gui.TopBarWidget::on_mode_button_clicked(), combined_gui.TopBarWidget::request_state(), and ball_valve_gui.BallValveGui::toggle_heartbeats().

unlock()

void unlock ( emmc_log_t * log )

static

Definition at line 55 of file emmc_log.c.

References emmc_log_t::context, emmc_log_t::port, and emmc_port_t::unlock.

Referenced by emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), mount(), release_write_chunk(), and stop().