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Add config save routines

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nirenjan 2021-08-09 22:16:30 -07:00
parent 3d15da385f
commit 874c46705a
4 changed files with 182 additions and 1 deletions
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1
daemon/Makefile.am
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@ -9,6 +9,7 @@ bin_PROGRAMS += x52d
x52d_SOURCES = \
daemon/x52d_main.c \
daemon/x52d_config_parser.c \
daemon/x52d_config_dump.c \
daemon/x52d_config.c \
daemon/x52d_device.c \
daemon/x52d_clock.c \

15
daemon/x52d_config.c
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@ -40,6 +40,21 @@ void x52d_config_load(const char *cfg_file)
}
}
void x52d_config_save(const char *cfg_file)
{
int rc;
if (cfg_file == NULL) {
cfg_file = X52D_SYS_CFG_FILE;
}
rc = x52d_config_save_file(&x52d_config, cfg_file);
if (rc != 0) {
PINELOG_ERROR(_("Error %d saving configuration file: %s"),
rc, strerror(rc));
}
}
/* Callback stubs
* TODO: Remove the ones below when their implementation is complete
*/

5
daemon/x52d_config.h
View File

@ -35,7 +35,7 @@ struct x52d_config {
// the length in the following declaration.
libx52_led_state leds[21];
uint16_t brightness[2];
int brightness[2];
bool clutch_enabled;
bool clutch_latched;
@ -83,4 +83,7 @@ void x52d_config_clear_overrides(void);
void x52d_config_load(const char *cfg_file);
void x52d_config_apply(void);
int x52d_config_save_file(struct x52d_config *cfg, const char *cfg_file);
void x52d_config_save(const char *cfg_file);
#endif // !defined X52D_CONFIG_H

162
daemon/x52d_config_dump.c 100644
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@ -0,0 +1,162 @@
/*
* Saitek X52 Pro MFD & LED driver - Configuration dumper
*
* Copyright (C) 2021 Nirenjan Krishnan (nirenjan@nirenjan.org)
*
* SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stddef.h>
#include <stdlib.h>
#include <errno.h>
#include <stdbool.h>
#include "pinelog.h"
#include "libx52.h"
#include "x52d_config.h"
#include "x52d_const.h"
static char *current_section = NULL;
// Print the current section to the file
static void print_section(FILE *cfg, const char *section)
{
if (current_section == NULL || strcasecmp(current_section, section)) {
if (current_section != NULL) {
free(current_section);
}
current_section = strdup(section);
PINELOG_TRACE("Printing section header %s", section);
fprintf(cfg, "[%s]\n", section);
}
}
// Create a pointer "name" of type "type", which stores the value of the
// corresponding element within the config struct.
#define CONFIG_PTR(type, name) type name = (type)((uintptr_t)cfg + offset)
// Check if the parameters are all valid
#define CHECK_PARAMS() do { if (cfg == NULL || section == NULL || key == NULL) { return EINVAL; } } while(0)
static int bool_dumper(FILE *file, const char *section, const char *key, const struct x52d_config *cfg, size_t offset)
{
CONFIG_PTR(bool *, config);
CHECK_PARAMS();
print_section(file, section);
PINELOG_TRACE("Printing bool value %s.%s from offset %lu value = %d",
section, key, offset, *config);
fprintf(file, "%s = %s\n", key, *config ? "true" : "false");
return 0;
}
static int string_dumper(FILE *file, const char *section, const char *key, struct x52d_config *cfg, size_t offset)
{
CONFIG_PTR(char *, config);
CHECK_PARAMS();
print_section(file, section);
PINELOG_TRACE("Printing string value %s.%s from offset %lu value = %s",
section, key, offset, config);
fprintf(file, "%s = %s\n", key, config);
return 0;
}
static int int_dumper(FILE *file, const char *section, const char *key, struct x52d_config *cfg, size_t offset)
{
CONFIG_PTR(int *, config);
CHECK_PARAMS();
print_section(file, section);
PINELOG_TRACE("Printing int value %s.%s from offset %lu value = %d",
section, key, offset, *config);
fprintf(file, "%s = %d\n", key, *config);
return 0;
}
static int led_dumper(FILE *file, const char *section, const char *key, struct x52d_config *cfg, size_t offset)
{
CONFIG_PTR(libx52_led_state *, config);
CHECK_PARAMS();
print_section(file, section);
PINELOG_TRACE("Printing led value %s.%s from offset %lu value = %d",
section, key, offset, *config);
fprintf(file, "%s = %s\n", key, libx52_led_state_to_str(*config));
return 0;
}
static int clock_format_dumper(FILE *file, const char *section, const char *key, struct x52d_config *cfg, size_t offset)
{
CONFIG_PTR(libx52_clock_format *, config);
CHECK_PARAMS();
print_section(file, section);
PINELOG_TRACE("Printing clock format value %s.%s from offset %lu value = %d",
section, key, offset, *config);
fprintf(file, "%s = %s\n", key, libx52_clock_format_to_str(*config));
return 0;
}
static int date_format_dumper(FILE *file, const char *section, const char *key, struct x52d_config *cfg, size_t offset)
{
CONFIG_PTR(libx52_date_format *, config);
CHECK_PARAMS();
print_section(file, section);
PINELOG_TRACE("Printing date format value %s.%s from offset %lu value = %d",
section, key, offset, *config);
fprintf(file, "%s = %s\n", key, libx52_date_format_to_str(*config));
return 0;
}
#undef CHECK_PARAMS
#undef CONFIG_PTR
int x52d_config_save_file(struct x52d_config *cfg, const char *cfg_file)
{
int rc;
FILE *cfg_fp;
if (cfg == NULL || cfg_file == NULL) {
return EINVAL;
}
if (current_section) {
free(current_section);
}
current_section = NULL;
cfg_fp = fopen(cfg_file, "w");
if (cfg_fp == NULL) {
rc = errno;
PINELOG_ERROR(_("Unable to save config file %s - code %d: %s"),
cfg_file, rc, strerror(rc));
return rc;
}
PINELOG_TRACE("Saving configuration to file %s", cfg_file);
#define CFG(section, key, name, type, def) do { \
PINELOG_TRACE("Dumping " #section "." #key " to file %s", cfg_file); \
rc = type ## _dumper(cfg_fp, #section, #key, cfg, offsetof(struct x52d_config, name)); \
if (rc) { \
PINELOG_ERROR(_("Failed to dump %s.%s to config file %s - code %d: %s"), \
#section, #key, cfg_file, rc, strerror(rc)); \
return rc; \
} \
} while (0);
#include "x52d_config.def"
return 0;
}