test_emmc_log.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "emmc_log.h"

Include dependency graph for test_emmc_log.c:

Go to the source code of this file.

Classes
struct	disk_t
struct	rec_t
struct	image_t

Macros
#define	CHECK(condition)
#define	DATA_START   64U
#define	CHUNKS   4U
#define	BS   EMMC_BLOCK_SIZE

Functions
static void	disk_new (disk_t *d, uint32_t capacity)
static void	disk_power_cycle (disk_t *d)
static emmc_status_t	f_start (void *ctx, uint32_t *count)
static emmc_status_t	f_read (void *ctx, uint32_t lba, void *buf, uint32_t count, uint32_t budget)
static emmc_status_t	f_write (void *ctx, uint32_t lba, const void *buf, uint32_t count, uint32_t budget)
static void	f_lock (void *ctx)
static void	f_unlock (void *ctx)
static emmc_log_config_t	config (void)
static void	log_new (emmc_log_t *log, disk_t *d)
static void	drain (emmc_log_t *log, uint32_t now)
static uint32_t	ref_crc (const uint8_t *p, size_t n)
static uint32_t	rd32 (const uint8_t *p)
static void	decode (const disk_t *d)
static void	test_crc (void)
static void	test_no_io_before_arm (void)
static void	fill_payload (uint8_t *p, unsigned i)
static void	test_session_roundtrip (void)
static void	test_sessions_and_remount (void)
static void	test_flight_keeps_recording (void)
static void	test_flush_interval (void)
static void	test_backpressure (void)
static void	test_torn_write (void)
static void	test_torn_write_hole (void)
static void	test_stale_epoch (void)
static void	test_start_failure (void)
static void	test_write_retry (void)
static void	test_full (void)
static void	test_invalid_init (void)
int	main (void)

Variables
static const emmc_port_t	port = {f_start, f_read, f_write, f_lock, f_unlock}
static emmc_log_chunk_t	chunks [CHUNKS]
static uint8_t	scratch [BS]
static image_t	img

Macro Definition Documentation

BS

#define BS   EMMC_BLOCK_SIZE

Definition at line 24 of file test_emmc_log.c.

CHECK

#define CHECK

(

condition

)

Value:

    do {                                                                    \
        if (!(condition)) {                                                 \
            fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, #condition); \
            exit(1);                                                        \
        }                                                                   \
    } while (0)

Definition at line 14 of file test_emmc_log.c.

Referenced by decode(), disk_new(), drain(), f_lock(), f_read(), f_start(), f_unlock(), f_write(), log_new(), test_backpressure(), test_crc(), test_flight_keeps_recording(), test_flush_interval(), test_full(), test_invalid_init(), 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().

CHUNKS

#define CHUNKS   4U

Definition at line 23 of file test_emmc_log.c.

Referenced by log_new(), and test_backpressure().

DATA_START

#define DATA_START   64U

Definition at line 22 of file test_emmc_log.c.

Function Documentation

config()

emmc_log_config_t config ( void )

static

Definition at line 130 of file test_emmc_log.c.

References DATA_START, emmc_log_config_t::data_start_lba, and emmc_log_default_config().

Referenced by log_new(), and test_invalid_init().

decode()

void decode ( const disk_t * d )

static

Definition at line 183 of file test_emmc_log.c.

References b, disk_t::blocks, BS, disk_t::capacity, CHECK, DATA_START, img, o, r, rd32(), rd32(), and ref_crc().

Referenced by stardesign.directory::_fetch_auth(), backend.routers.layerx::_kind_of(), detail::serializer< BasicJsonType >::for(), backend.routers.flight::generate_rocket_diagram(), engine.pipeline.cea_cache::safe_print(), test_backpressure(), test_flight_keeps_recording(), test_flush_interval(), test_layerx_export::test_parquet_carries_the_same_table_with_units(), test_session_roundtrip(), test_sessions_and_remount(), test_stale_epoch(), test_layerx_export::test_the_fea_bundle_carries_the_named_files_and_its_peaks_are_the_histories_maxima(), test_torn_write(), ota_upload::upload(), ota_upload::upload_firmware(), and sense_testing_gui::upload_firmware_to_esp32().

disk_new()

void disk_new ( disk_t * d, uint32_t capacity )

static

Definition at line 41 of file test_emmc_log.c.

References disk_t::blocks, BS, disk_t::capacity, CHECK, and NULL.

Referenced by test_backpressure(), test_flight_keeps_recording(), test_flush_interval(), test_full(), test_invalid_init(), 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().

disk_power_cycle()

void disk_power_cycle ( disk_t * d )

static

Definition at line 49 of file test_emmc_log.c.

References b, disk_t::blocks, and disk_t::capacity.

Referenced by test_sessions_and_remount(), test_stale_epoch(), test_torn_write(), and test_torn_write_hole().

drain()

void drain ( emmc_log_t * log, uint32_t now )

static

Definition at line 141 of file test_emmc_log.c.

References CHECK, emmc_log_backlog(), emmc_log_service(), and EMMC_OK.

Referenced by anonymous_namespace{t7_bridge_main.cpp}::run_board(), test_backpressure(), test_flight_keeps_recording(), test_session_roundtrip(), test_sessions_and_remount(), test_stale_epoch(), test_torn_write(), and test_torn_write_hole().

f_lock()

void f_lock ( void * ctx )

static

Definition at line 112 of file test_emmc_log.c.

References CHECK, disk_t::lock_depth, and disk_t::locks.

f_read()

emmc_status_t f_read ( void * ctx, uint32_t lba, void * buf, uint32_t count, uint32_t budget )

static

Definition at line 68 of file test_emmc_log.c.

References disk_t::blocks, BS, CHECK, count(), EMMC_ERR_IO, EMMC_OK, disk_t::lock_depth, disk_t::powered_off, disk_t::reads, and disk_t::starts.

f_start()

emmc_status_t f_start ( void * ctx, uint32_t * count )

static

Definition at line 57 of file test_emmc_log.c.

References disk_t::capacity, CHECK, count(), EMMC_OK, disk_t::lock_depth, disk_t::start_result, and disk_t::starts.

f_unlock()

void f_unlock ( void * ctx )

static

Definition at line 119 of file test_emmc_log.c.

References CHECK, and disk_t::lock_depth.

f_write()

emmc_status_t f_write ( void * ctx, uint32_t lba, const void * buf, uint32_t count, uint32_t budget )

static

Definition at line 83 of file test_emmc_log.c.

References disk_t::blocks, BS, CHECK, count(), EMMC_ERR_IO, EMMC_OK, disk_t::lock_depth, disk_t::powered_off, disk_t::starts, disk_t::torn_armed, disk_t::torn_mask, disk_t::write_failures, and disk_t::writes.

fill_payload()

void fill_payload ( uint8_t * p, unsigned i )

static

Definition at line 249 of file test_emmc_log.c.

References p.

Referenced by test_session_roundtrip().

log_new()

void log_new ( emmc_log_t * log, disk_t * d )

static

Definition at line 136 of file test_emmc_log.c.

References CHECK, CHUNKS, chunks, config(), emmc_log_init(), EMMC_OK, port, and scratch.

Referenced by 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().

main()

int main

(

void

)

Definition at line 589 of file test_emmc_log.c.

References test_backpressure(), test_crc(), test_flight_keeps_recording(), test_flush_interval(), test_full(), test_invalid_init(), 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().

rd32()

uint32_t rd32 ( const uint8_t * p )

static

Definition at line 161 of file test_emmc_log.c.

References p.

Referenced by decode(), and test_torn_write_hole().

ref_crc()

uint32_t ref_crc ( const uint8_t * p, size_t n )

static

Definition at line 150 of file test_emmc_log.c.

References p.

Referenced by decode(), test_crc(), and test_torn_write_hole().

test_backpressure()

void test_backpressure ( void )

static

Definition at line 382 of file test_emmc_log.c.

References disk_t::blocks, CHECK, CHUNKS, DATA_START, decode(), disk_new(), drain(), emmc_log_stats_t::dropped, emmc_log_append(), emmc_log_backlog(), emmc_log_flush(), emmc_log_on_state(), EMMC_REC_DROPPED, FLIGHT_ARMED, FLIGHT_IDLE, img, log_new(), ok, p, r, rd32(), and emmc_log_t::stats.

Referenced by main().

test_crc()

void test_crc ( void )

static

Definition at line 222 of file test_emmc_log.c.

References b, CHECK, emmc_log_crc32(), and ref_crc().

Referenced by main().

test_flight_keeps_recording()

void test_flight_keeps_recording ( void )

static

Definition at line 330 of file test_emmc_log.c.

References disk_t::blocks, CHECK, DATA_START, decode(), disk_new(), drain(), emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), EMMC_REC_STATE, FLIGHT_ARMED, FLIGHT_EV_APOGEE_DETECTED, FLIGHT_EV_ARM, FLIGHT_EV_LAUNCH_DETECTED, FLIGHT_EV_UNARM, FLIGHT_IDLE, FLIGHT_LAUNCHED, FLIGHT_RECOVERY, flight_state_next(), img, and log_new().

Referenced by main().

test_flush_interval()

void test_flush_interval ( void )

static

Definition at line 363 of file test_emmc_log.c.

References disk_t::blocks, CHECK, DATA_START, decode(), disk_new(), emmc_log_on_state(), emmc_log_service(), EMMC_OK, FLIGHT_ARMED, FLIGHT_IDLE, img, log_new(), emmc_log_stats_t::pad_blocks, emmc_log_t::stats, and disk_t::writes.

Referenced by main().

test_full()

void test_full ( void )

static

Definition at line 549 of file test_emmc_log.c.

References disk_t::blocks, CHECK, emmc_log_stats_t::chunks_lost, emmc_log_stats_t::chunks_written, DATA_START, emmc_log_t::disk, disk_new(), EMMC_DISK_FULL, EMMC_ERR_NOT_READY, emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), EMMC_OK, FLIGHT_ARMED, FLIGHT_IDLE, log_new(), emmc_log_t::recording, and emmc_log_t::stats.

Referenced by main().

test_invalid_init()

void test_invalid_init ( void )

static

Definition at line 568 of file test_emmc_log.c.

References disk_t::blocks, CHECK, chunks, config(), emmc_log_config_t::data_start_lba, disk_new(), EMMC_ERR_PARAM, emmc_log_init(), EMMC_LOG_MAX_CHUNKS, NULL, port, scratch, and emmc_port_t::unlock.

Referenced by main().

test_no_io_before_arm()

void test_no_io_before_arm ( void )

static

Definition at line 232 of file test_emmc_log.c.

References disk_t::blocks, CHECK, DATA_START, emmc_log_t::disk, disk_new(), EMMC_DISK_UNMOUNTED, emmc_log_append(), emmc_log_on_state(), emmc_log_service(), EMMC_OK, FLIGHT_IDLE, FLIGHT_SELF_TEST, log_new(), disk_t::reads, disk_t::starts, and disk_t::writes.

Referenced by main().

test_session_roundtrip()

void test_session_roundtrip ( void )

static

Definition at line 255 of file test_emmc_log.c.

References disk_t::blocks, BS, disk_t::capacity, CHECK, emmc_log_stats_t::chunks_written, DATA_START, decode(), disk_new(), drain(), emmc_log_stats_t::dropped, emmc_log_append(), emmc_log_on_state(), EMMC_REC_SESSION_END, EMMC_REC_SESSION_START, fill_payload(), FLIGHT_ARMED, FLIGHT_IDLE, img, disk_t::lock_depth, disk_t::locks, log_new(), p, r, emmc_log_stats_t::records, disk_t::starts, and emmc_log_t::stats.

Referenced by main().

test_sessions_and_remount()

void test_sessions_and_remount ( void )

static

Definition at line 297 of file test_emmc_log.c.

References disk_t::blocks, CHECK, DATA_START, decode(), disk_new(), disk_power_cycle(), drain(), emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), end(), FLIGHT_ARMED, FLIGHT_IDLE, emmc_log_t::head, img, log_new(), and disk_t::starts.

Referenced by main().

test_stale_epoch()

void test_stale_epoch ( void )

static

Definition at line 475 of file test_emmc_log.c.

References disk_t::blocks, CHECK, DATA_START, decode(), disk_new(), disk_power_cycle(), drain(), emmc_log_flush(), emmc_log_on_state(), emmc_log_t::epoch, FLIGHT_ARMED, FLIGHT_IDLE, emmc_log_t::head, img, and log_new().

Referenced by main().

test_start_failure()

void test_start_failure ( void )

static

Definition at line 498 of file test_emmc_log.c.

References disk_t::blocks, CHECK, emmc_log_stats_t::chunks_lost, DATA_START, emmc_log_t::disk, disk_new(), EMMC_DISK_FAULT, EMMC_ERR_TIMEOUT, emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), EMMC_OK, FLIGHT_ARMED, FLIGHT_IDLE, log_new(), emmc_log_t::recording, disk_t::start_result, disk_t::starts, emmc_log_t::stats, and disk_t::writes.

Referenced by main().

test_torn_write()

void test_torn_write ( void )

static

Definition at line 416 of file test_emmc_log.c.

References disk_t::blocks, CHECK, DATA_START, decode(), disk_new(), disk_power_cycle(), drain(), EMMC_ERR_IO, emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), FLIGHT_ARMED, FLIGHT_IDLE, emmc_log_t::head, img, log_new(), disk_t::torn_armed, and disk_t::torn_mask.

Referenced by main().

test_torn_write_hole()

void test_torn_write_hole ( void )

static

Definition at line 446 of file test_emmc_log.c.

References b, disk_t::blocks, BS, CHECK, DATA_START, disk_new(), disk_power_cycle(), drain(), EMMC_ERR_IO, emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), FLIGHT_ARMED, FLIGHT_IDLE, emmc_log_t::head, log_new(), rd32(), ref_crc(), disk_t::torn_armed, and disk_t::torn_mask.

Referenced by main().

test_write_retry()

void test_write_retry ( void )

static

Definition at line 519 of file test_emmc_log.c.

References disk_t::blocks, CHECK, emmc_log_stats_t::chunks_lost, emmc_log_stats_t::chunks_written, DATA_START, emmc_log_t::disk, disk_new(), EMMC_DISK_FAULT, EMMC_DISK_MOUNTED, EMMC_ERR_IO, emmc_log_append(), emmc_log_flush(), emmc_log_on_state(), emmc_log_service(), EMMC_OK, FLIGHT_ARMED, FLIGHT_IDLE, log_new(), emmc_log_t::stats, emmc_log_stats_t::write_errors, and disk_t::write_failures.

Referenced by main().

Variable Documentation

chunks

emmc_log_chunk_t chunks[CHUNKS]

static

Definition at line 127 of file test_emmc_log.c.

img

image_t img

static

Definition at line 181 of file test_emmc_log.c.

Referenced by check_emmc_stall(), decode(), read_image(), test_backpressure(), test_flight_keeps_recording(), test_flush_interval(), test_session_roundtrip(), test_sessions_and_remount(), test_stale_epoch(), and test_torn_write().

port

const emmc_port_t port = {f_start, f_read, f_write, f_lock, f_unlock}

static

Definition at line 125 of file test_emmc_log.c.

scratch

uint8_t scratch[BS]

static

Definition at line 128 of file test_emmc_log.c.

Referenced by anonymous_namespace{test_lc_linear_fit.cpp}::a_model_change_refits_without_a_capture(), anonymous_namespace{test_cubic_store_namespace.cpp}::add_point_rejects_unknown_uid(), anonymous_namespace{test_lc_linear_fit.cpp}::both_fits_are_serialized(), anonymous_namespace{test_lc_linear_fit.cpp}::cubic_model_is_unchanged(), disabled_board_orphan_is_not_applied(), emmc_log_init(), emmc_stm32_init(), anonymous_namespace{test_lc_tare.cpp}::fingerprint_tracks_what_the_curve_does(), anonymous_namespace{test_cubic_store_namespace.cpp}::kind_round_trip(), anonymous_namespace{test_cubic_store_namespace.cpp}::legacy_file_without_kind(), anonymous_namespace{test_lc_linear_fit.cpp}::linear_model_fits_a_line(), anonymous_namespace{test_lc_linear_fit.cpp}::linear_needs_two_points(), anonymous_namespace{test_lc_tare.cpp}::loaded_tare_is_corrected_by_recompute(), log_new(), anonymous_namespace{test_cubic_store_namespace.cpp}::logical_1_collision(), anonymous_namespace{test_lc_tare.cpp}::non_finite_offset_is_never_recorded(), port_start(), anonymous_namespace{test_cubic_store_namespace.cpp}::pt_lc_logical_collision(), anonymous_namespace{test_lc_linear_fit.cpp}::raw_coefficients_match_the_normalized_form(), fsw::elodin::ElodinClient::read_packet(), anonymous_namespace{test_lc_tare.cpp}::recompute_carries_tare_across_a_better_fit(), anonymous_namespace{test_cubic_store_namespace.cpp}::recovery_regenerates_overwritten_pt_curve(), removed_board_does_not_win_the_logical_map(), role_moved_to_t7_keeps_its_unit(), anonymous_namespace{test_lc_tare.cpp}::save_load_round_trip(), anonymous_namespace{test_lc_tare.cpp}::stale_audit_finds_a_missed_recompute(), t7_role_follows_within_t7(), anonymous_namespace{test_lc_linear_fit.cpp}::tare_cancels_zero_drift_on_linear_not_cubic(), anonymous_namespace{test_lc_linear_fit.cpp}::tared_reading(), test_invalid_init(), anonymous_namespace{test_cubic_store_namespace.cpp}::unreadable_file_is_not_overwritten(), anonymous_namespace{test_lc_tare.cpp}::unreadable_file_is_not_overwritten(), and anonymous_namespace{test_lc_tare.cpp}::untrusted_curves_keep_the_last_good_offset().