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settings_lib.c
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// (new) settings library
#include "revk.h"
#include "esp8266_nvs_compat.h"
#ifndef CONFIG_REVK_OLD_SETTINGS
#ifdef CONFIG_REVK_MESH
#include <esp_mesh.h>
#endif
static const char __attribute__((unused)) * TAG = "Settings";
extern revk_settings_t revk_settings[];
extern uint32_t revk_nvs_time;
static nvs_handle nvs[2] = { -1, -1 };
static revk_setting_bits_t nvs_found = { 0 };
char *__malloc_like __result_use_check
strdup (const char *s)
{
int l = strlen (s);
char *o = mallocspi (l + 1);
if (!o)
return NULL;
memcpy (o, s, l + 1);
return o;
}
char *__malloc_like __result_use_check
strndup (const char *s, size_t l)
{
int l2 = strlen (s);
if (l2 < l)
l = l2;
char *o = mallocspi (l + 1);
if (!o)
return NULL;
memcpy (o, s, l);
o[l] = 0;
return o;
}
static const char *
nvs_erase (revk_settings_t * s, const char *tag)
{
if (!s->array)
nvs_found[(s - revk_settings) / 8] &= ~(1 << ((s - revk_settings) & 7));
esp_err_t e = nvs_erase_key (nvs[s->revk], tag);
if (e && e != ESP_ERR_NVS_NOT_FOUND)
return "Failed to erase";
if (!e)
revk_nvs_time = uptime () + 60;
#ifdef CONFIG_REVK_SETTINGS_DEBUG
char taga[20];
{
int l = strlen (tag);
if (tag[l - 1] & 0x80)
sprintf (taga, "%.*s[%d]", l - 1, tag, tag[l - 1] - 0x80);
else
strcpy (taga, tag);
}
ESP_LOGE (TAG, "Erase %s%s", e ? "fail " : "", taga);
#endif
return NULL;
}
static const char *
nvs_put (revk_settings_t * s, int index, void *ptr)
{ // Put data, can be from ptr or from settings
if (s->array && index >= s->array)
return "Array overflow";
char tag[16];
if (s->len + 1 + (s->array ? 1 : 0) > sizeof (tag))
return "Tag too long";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
char taga[20];
if (s->array)
sprintf (taga, "%s[%d]", s->name, index);
else
strcpy (taga, s->name);
#endif
strcpy (tag, s->name);
if (s->array)
{
tag[s->len] = 0x80 + index;
tag[s->len + 1] = 0;
}
// Deference
if (ptr)
{ // Copy
if (s->malloc)
ptr = *(void **) ptr;
} else if (!ptr && s->ptr)
{ // Live (not relevant for bit as no s->ptr)
if (s->malloc)
ptr = ((void **) s->ptr)[index];
else
ptr = s->ptr + index * s->size;
}
revk_nvs_time = uptime () + 60;
nvs_found[(s - revk_settings) / 8] |= (1 << ((s - revk_settings) & 7));
switch (s->type)
{
#ifdef REVK_SETTINGS_HAS_SIGNED
case REVK_SETTINGS_SIGNED:
{
int64_t __attribute__((unused)) v = 0;
if ((s->size == 8 && nvs_set_i64 (nvs[s->revk], tag, v = *((int64_t *) ptr))) || //
(s->size == 4 && nvs_set_i32 (nvs[s->revk], tag, v = *((int32_t *) ptr))) || //
(s->size == 2 && nvs_set_i16 (nvs[s->revk], tag, v = *((int16_t *) ptr))) || //
(s->size == 1 && nvs_set_i8 (nvs[s->revk], tag, v = *((int8_t *) ptr))))
return "Cannot store number (signed)";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Write %s signed %lld 0x%0*llX", taga, v, s->size * 2, v);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_UNSIGNED
case REVK_SETTINGS_UNSIGNED:
{
uint64_t __attribute__((unused)) v = 0;
if ((s->size == 8 && nvs_set_u64 (nvs[s->revk], tag, v = *((uint64_t *) ptr))) || //
(s->size == 4 && nvs_set_u32 (nvs[s->revk], tag, v = *((uint32_t *) ptr))) || //
(s->size == 2 && nvs_set_u16 (nvs[s->revk], tag, v = *((uint16_t *) ptr))) || //
(s->size == 1 && nvs_set_u8 (nvs[s->revk], tag, v = *((uint8_t *) ptr))))
return "Cannot store number (unsigned)";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Write %s unsigned %llu 0x%0*llX", taga, v, s->size * 2, v);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BIT
case REVK_SETTINGS_BIT:
{
uint8_t bit = 0;
if (ptr)
bit = *((uint8_t *) ptr);
else
bit = ((((uint8_t *) & revk_settings_bits)[s->bit / 8] & (1 << (s->bit & 7))) ? 1 : 0);
if (nvs_set_u8 (nvs[s->revk], tag, bit))
return "Cannot store bit";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Write %s bit %d", taga, bit);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BLOB
case REVK_SETTINGS_BLOB:
{
revk_settings_blob_t *b = ptr;
if (nvs_set_blob (nvs[s->revk], tag, b->data, b->len))
return "Cannot store blob";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Write %s fixed %d", taga, b->len);
ESP_LOG_BUFFER_HEX_LEVEL (TAG, b->data, b->len, ESP_LOG_ERROR);
#endif
}
break;
#endif
#if defined(REVK_SETTINGS_HAS_STRING) || defined(REVK_SETTINGS_HAS_JSON)
#ifdef REVK_SETTINGS_HAS_STRING
case REVK_SETTINGS_STRING:
#endif
#ifdef REVK_SETTINGS_HAS_JSON
case REVK_SETTINGS_JSON:
#endif
{
if (nvs_set_str (nvs[s->revk], tag, ptr))
return "Cannot store string";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Write %s string %s", taga, (char *) ptr);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_OCTET
case REVK_SETTINGS_OCTET:
{
if (nvs_set_blob (nvs[s->revk], tag, ptr, s->size))
return "Cannot store octets";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Write %s fixed %d", taga, s->size);
ESP_LOG_BUFFER_HEX_LEVEL (TAG, ptr, s->array, ESP_LOG_ERROR);
#endif
}
break;
#endif
}
return NULL;
}
static const char *
nvs_get (revk_settings_t * s, const char *tag, int index)
{ // Getting NVS
if (s->array && index >= s->array)
return "Array overflow";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
char taga[20];
{
int l = strlen (tag);
if (tag[l - 1] & 0x80)
sprintf (taga, "%.*s[%d]", l - 1, tag, tag[l - 1] - 0x80);
else
strcpy (taga, tag);
}
#endif
void *data = NULL;
size_t len = 0;
const char *store (void)
{
switch (s->type)
{
#ifdef REVK_SETTINGS_HAS_SIGNED
case REVK_SETTINGS_SIGNED:
{
data = mallocspi (len = s->size);
if (!data)
return "malloc";
if ((s->size == 8 && nvs_get_i64 (nvs[s->revk], tag, data)) || //
(s->size == 4 && nvs_get_i32 (nvs[s->revk], tag, data)) || //
(s->size == 2 && nvs_get_i16 (nvs[s->revk], tag, data)) || //
(s->size == 1 && nvs_get_i8 (nvs[s->revk], tag, data)))
{ // maybe change from unsigned
// TODO This logic may be better in the original scan picking up existing type and converting any size and sign to any size and sign if within range.
if ((s->size == 8 && nvs_get_u64 (nvs[s->revk], tag, data)) || //
(s->size == 4 && nvs_get_u32 (nvs[s->revk], tag, data)) || //
(s->size == 2 && nvs_get_u16 (nvs[s->revk], tag, data)) || //
(s->size == 1 && nvs_get_u8 (nvs[s->revk], tag, data)))
return "Cannot load number (signed)";
if (((uint8_t *) data)[s->size - 1] & 0x80)
return "Cannot convert to signed";
return "*Converted to signed";
}
#ifdef CONFIG_REVK_SETTINGS_DEBUG
int64_t v = (int64_t) (s->size == 1 ? *((int8_t *) data) : s->size == 2 ? *((int16_t *) data) : s->size ==
+4 ? *((int32_t *) data) : *((int64_t *) data));
ESP_LOGE (TAG, "Read %s signed %lld 0x%0*llX", taga, v, s->size * 2, v);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_UNSIGNED
case REVK_SETTINGS_UNSIGNED:
{
data = mallocspi (len = s->size);
if (!data)
return "malloc";
if ((s->size == 8 && nvs_get_u64 (nvs[s->revk], tag, data)) || //
(s->size == 4 && nvs_get_u32 (nvs[s->revk], tag, data)) || //
(s->size == 2 && nvs_get_u16 (nvs[s->revk], tag, data)) || //
(s->size == 1 && nvs_get_u8 (nvs[s->revk], tag, data)))
{
// TODO This logic may be better in the original scan picking up existing type and converting any size and sign to any size and sign if within range.
if (s->gpio && s->size == 2 && !nvs_get_u8 (nvs[s->revk], tag, data))
{ // Change from old GPIO
((uint8_t *) data)[1] = (*((uint8_t *) data) & 0xC0);
((uint8_t *) data)[0] = (*((uint8_t *) data) & 0x3F);
return "*Migrated GPIO";
} else if ((s->size == 8 && nvs_get_i64 (nvs[s->revk], tag, data)) || //
(s->size == 4 && nvs_get_i32 (nvs[s->revk], tag, data)) || //
(s->size == 2 && nvs_get_i16 (nvs[s->revk], tag, data)) || //
(s->size == 1 && nvs_get_i8 (nvs[s->revk], tag, data)))
return "Cannot load number (unsigned)";
else
{ // maybe change from signed
if (((uint8_t *) data)[s->size - 1] & 0x80)
return "Cannot convert to unsigned";
return "*Converted to unsigned";
}
}
#ifdef CONFIG_REVK_SETTINGS_DEBUG
uint64_t v = (uint64_t) (s->size == 1 ? *((uint8_t *) data) : s->size == 2 ? *((uint16_t *) data) : s->size ==
+4 ? *((uint32_t *) data) : *((uint64_t *) data));
ESP_LOGE (TAG, "Read %s unsigned %llu 0x%0*llX", taga, v, s->size * 2, v);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BIT
case REVK_SETTINGS_BIT:
{
data = mallocspi (len = 1);
if (nvs_get_u8 (nvs[s->revk], tag, data))
return "Cannot load bit";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Read %s bit %d", taga, *(uint8_t *) data);
#endif
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BLOB
case REVK_SETTINGS_BLOB:
{
if (nvs_get_blob (nvs[s->revk], tag, NULL, &len))
return "Cannot get blob len";
revk_settings_blob_t *b = mallocspi (sizeof (revk_settings_blob_t) + len);
if (!b)
return "malloc";
b->len = len;
if (nvs_get_blob (nvs[s->revk], tag, b->data, &len))
return "Cannot load blob";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Read %s blog %d", taga, b->len);
ESP_LOG_BUFFER_HEX_LEVEL (TAG, b->data, b->len, ESP_LOG_ERROR);
#endif
data = b;
}
break;
#endif
#if defined(REVK_SETTINGS_HAS_STRING) || defined(REVK_SETTINGS_HAS_JSON)
#ifdef REVK_SETTINGS_HAS_STRING
case REVK_SETTINGS_STRING:
#endif
#ifdef REVK_SETTINGS_HAS_JSON
case REVK_SETTINGS_JSON:
#endif
{
if (nvs_get_str (nvs[s->revk], tag, NULL, &len))
return "Cannot get string len";
if (!len)
return "Bad string len";
data = mallocspi (len);
if (!data)
return "malloc";
if (nvs_get_str (nvs[s->revk], tag, data, &len))
return "Cannot load string";
((char *) data)[len - 1] = 0; // Just in case
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Read %s string %s", taga, (char *) data);
#endif
} break;
#endif
#ifdef REVK_SETTINGS_HAS_OCTET
case REVK_SETTINGS_OCTET:
{
data = mallocspi (len = s->size);
if (!data)
return "malloc";
if (nvs_get_blob (nvs[s->revk], tag, data, &len))
return "Cannot load fixed block";
if (len != s->size)
return "Bad fixed block size";
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Read %s fixed %d", taga, len);
ESP_LOG_BUFFER_HEX_LEVEL (TAG, data, len, ESP_LOG_ERROR);
#endif
}
break;
#endif
}
return NULL;
}
const char *err = store ();
if (err && *err != '*')
{
free (data);
return err;
}
nvs_found[(s - revk_settings) / 8] |= (1 << ((s - revk_settings) & 7));
if (s->malloc)
{
void **p = s->ptr;
p += index;
free (*p);
*p = data;
}
#ifdef REVK_SETTINGS_HAS_BIT
else if (s->type == REVK_SETTINGS_BIT)
{
if (*(uint8_t *) data)
((uint8_t *) & revk_settings_bits)[s->bit / 8] |= (1 << (s->bit & 7));
else
((uint8_t *) & revk_settings_bits)[s->bit / 8] &= ~(1 << (s->bit & 7));
free (data);
}
#endif
else
{
if (len > s->size)
err = "Bad size";
else
memcpy (s->ptr + index * s->size, data, s->size);
free (data);
}
return err;
}
#ifdef REVK_SETTINGS_HAS_NUMERIC
static const char *
parse_numeric (revk_settings_t * s, void **pp, const char **dp, const char *e)
{ // Single numeric parse to memory, advance memory and source
if (!s || !dp || !pp)
return "NULL";
if (!s->size)
return "Not numeric";
const char *err = NULL;
const char *d = *dp;
void *p = *pp;
while (d && d < e && *d == ' ')
d++;
if (!d || d >= e)
memset (p, 0, s->size); // Empty
else
{ // Value
uint64_t v = 0,
f = 0;
char sign = 0;
int bits = s->size * 8;
if (s->set)
f |= (1ULL << (--bits));
int top = bits - 1;
const char *b = s->flags;
void scan (void)
{ // Scan for flags
while (d < e && *d != ' ' && *d != ',')
{
int l = 1;
while (d + l < e && (d[l] & 0xC0) == 0x80)
l++;
int bit = top;
const char *q;
for (q = b; *q; q++)
if (!(f & (1ULL << bit)) && !memcmp (q, d, l)) // Allows for duplicates in flags
{
f |= (1ULL << bit);
d += l;
break;
} else if (*q != ' ' && ((*q & 0xC0) != 0x80))
bit--;
if (!*q)
break; // Not found
}
}
if (b)
{ // Bit fields
for (const char *q = b; *q; q++)
if (*q != ' ' && ((*q & 0xC0) != 0x80))
bits--;
if (!err && bits < 0)
err = "Too many flags";
scan ();
}
// Numeric value
int dig (int c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (s->hex && ((c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')))
return 9 + (c & 0xF);
return -1;
}
uint8_t count = 0;
void add (char c)
{
uint64_t wrap = v;
v = v * (s->hex ? 16 : 10) + dig (c);
if (!err && (v < wrap || (s->digits && ++count > s->digits + s->decimal)))
err = "Number too large";
}
if (d < e && *d == '-')
sign = *d++;
if (!err && bits && (d >= e || dig (*d) < 0))
err = "No number found";
while (!err && d < e && dig (*d) >= 0)
add (*d++);
if (!err && s->decimal)
{
int q = s->decimal;
if (d < e && *d == '.')
{
d++;
while (!err && d < e && dig (*d) >= 0 && q && q--)
add (*d++);
if (!err && d < e && dig (*d) >= 0)
err = "Too many decimal places";
}
while (!err && q--)
add ('0');
}
if (b)
scan ();
if (!err)
{
if (sign)
{
#ifdef REVK_SETTINGS_HAS_SIGNED
if (s->type != REVK_SETTINGS_SIGNED)
#endif
err = "Negative not allowed";
if (v > (1ULL << (bits - 1)))
err = "Negative number too big";
v = -v;
} else
{
#ifdef REVK_SETTINGS_HAS_SIGNED
if (s->type == REVK_SETTINGS_SIGNED)
{
if (v >= (1ULL << (bits - 1)))
err = "Number too big";
} else
#endif
if (bits < 64 && v >= (1ULL << bits))
err = "Number too big";
}
}
if (bits < 64)
v = ((v & ((1ULL << bits) - 1)) | f);
if (!err)
{
if (s->size == 1)
*((uint8_t *) p) = v;
else if (s->size == 2)
*((uint16_t *) p) = v;
else if (s->size == 4)
*((uint32_t *) p) = v;
else if (s->size == 8)
*((uint64_t *) p) = v;
else
err = "Bad number size";
}
}
while (d && d < e && *d == ' ' && *d != ',' && *d != '\t')
d++;
if (d && d < e && (*d == ',' || *d == '\t'))
d++;
while (d && d < e && *d == ' ')
d++;
p += (s->malloc ? sizeof (void *) : s->size);
*pp = p;
*dp = d;
return err;
}
#endif
#ifdef REVK_SETTINGS_HAS_NUMERIC
static char *
text_numeric (revk_settings_t * s, void *p)
{
char *temp = mallocspi (257),
*t = temp;
uint64_t v = 0;
if (s->size == 8)
v = *((uint64_t *) p);
else if (s->size == 4)
v = *((uint32_t *) p);
else if (s->size == 2)
v = *((uint16_t *) p);
else if (s->size == 1)
v = *((uint8_t *) p);
int bits = s->size * 8;
if (!s->set || (v & (1ULL << --bits)))
{
const char *f = NULL;
int bit = bits - 1;
if (s->flags)
{
// Count down bits in use
for (f = s->flags; *f; f++)
if (*f != ' ' && ((*f & 0xC0) != 0x80))
bits--;
// Prefix
for (f = s->flags; *f && *f != ' '; f++)
if (((*f & 0xC0) != 0x80) && (v & (1ULL << (bit--))))
{
const char *i = f;
*t++ = *i++;
while ((*i & 0xC0) == 0x80)
*t++ = *i++;
}
}
{
uint64_t val = v;
#ifdef REVK_SETTINGS_HAS_SIGNED
if (s->type == REVK_SETTINGS_SIGNED && (v & (1ULL << (bits - 1))))
{
*t++ = '-';
val = -val;
}
#endif
if (bits < 64)
val &= ((1ULL << bits) - 1);
if (bits)
{
if (s->decimal)
{
sprintf (t, "00%020llu", val); // Extra 0s to allow space for adding .
char *i = t,
*e = t + 22 - s->decimal;
while (i < e - 1 && *i == '0')
i++;
while (i < e)
*t++ = *i++;
*t++ = '.';
while (*i)
*t++ = *i++;
} else if (!s->hex)
{
if (s->digits)
t += sprintf (t, "%0*llu", s->digits, val);
else
t += sprintf (t, "%llu", val);
} else
t += sprintf (t, "%0*llX", s->digits ? : s->size * 2, val);
}
}
// Suffix
if (f && *f == ' ')
for (f++; *f; f++)
if (((*f & 0xC0) != 0x80) && (v & (1ULL << (bit--))))
{
const char *i = f;
*t++ = *i++;
while ((*i & 0xC0) == 0x80)
*t++ = *i++;
}
}
*t = 0;
return temp;
}
#endif
static int
value_cmp (revk_settings_t * s, void *a, void *b)
{ // Pointer to actual data
if (s->malloc)
{
#ifdef REVK_SETTINGS_HAS_BLOB
if (s->type == REVK_SETTINGS_BLOB)
{
revk_settings_blob_t *A = *(void **) a;
revk_settings_blob_t *B = *(void **) b;
if (!A || !B || A->len > B->len)
return 1;
if (A->len < B->len)
return -1;
return memcmp (A->data, B->data, A->len);
}
#endif
#ifdef REVK_SETTINGS_HAS_STRING
if (s->type == REVK_SETTINGS_STRING)
return strcmp (*((char **) a), *((char **) b));
#endif
#ifdef REVK_SETTINGS_HAS_JSON
if (s->type == REVK_SETTINGS_JSON)
return strcmp (*((char **) a), *((char **) b));
#endif
}
return memcmp (a, b, s->size ? : 1);
}
char *
revk_settings_text (revk_settings_t * s, int index, int *lenp)
{ // Malloc'd string for value
void *ptr = s->ptr;
if (s->array)
ptr += index * (s->malloc ? sizeof (void *) : s->size);
if (s->malloc)
ptr = *(void **) ptr;
char *data = NULL;
size_t len = 0;
switch (s->type)
{
#ifdef REVK_SETTINGS_HAS_NUMERIC
#ifdef REVK_SETTINGS_HAS_SIGNED
case REVK_SETTINGS_SIGNED:
#endif
#ifdef REVK_SETTINGS_HAS_UNSIGNED
case REVK_SETTINGS_UNSIGNED:
#endif
data = text_numeric (s, ptr);
if (data)
len = strlen (data);
break;
#endif
#ifdef REVK_SETTINGS_HAS_BIT
case REVK_SETTINGS_BIT:
{
uint8_t bit = ((((uint8_t *) & revk_settings_bits)[s->bit / 8] & (1 << (s->bit & 7))) ? 1 : 0);
data = strdup (bit ? "true" : "false");
if (data)
len = strlen (data);
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BLOB
case REVK_SETTINGS_BLOB:
{
revk_settings_blob_t *b = ptr;
len = b->len;
if (len)
{
data = mallocspi (len);
memcpy (data, b->data, len);
}
}
break;
#endif
#if defined(REVK_SETTINGS_HAS_STRING) || defined(REVK_SETTINGS_HAS_JSON)
#ifdef REVK_SETTINGS_HAS_STRING
case REVK_SETTINGS_STRING:
#endif
#ifdef REVK_SETTINGS_HAS_JSON
case REVK_SETTINGS_JSON:
#endif
{
if (ptr == revk_id)
ptr = ""; // Special case, used for hostname, see as a blank hostname
data = strdup (ptr);
if (data)
len = strlen (data);
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_OCTET
case REVK_SETTINGS_OCTET:
{
len = s->size;
data = mallocspi (len);
memcpy (data, ptr, len);
}
break;
#endif
}
if (len && s->secret && *revk_settings_secret)
{
free (data);
data = strdup (revk_settings_secret);
len = strlen (data);
}
if (lenp)
*lenp = len;
return data;
}
static const char *
load_value (revk_settings_t * s, const char *d, int index, void *ptr)
{ // Puts value in memory (or at ptr if set)
if (!ptr)
ptr = s->ptr;
else
index = 0;
if (index > 0)
ptr += index * (s->malloc ? sizeof (void *) : s->size);
const char *err = NULL;
int a = s->array;
const char *e = NULL;
char *mem = NULL;
if (d)
{
e = d + strlen (d);
if (s->dq && e > d + 1 && *d == '"' && e[-1] == '"')
{
d++;
e--;
}
if (d == e)
d = e = NULL;
}
if (d < e && (s->hex || s->base32 || s->base64)
#ifdef REVK_SETTINGS_HAS_NUMERIC
#ifdef REVK_SETTINGS_HAS_SIGNED
&& s->type != REVK_SETTINGS_SIGNED
#endif
#ifdef REVK_SETTINGS_HAS_UNSIGNED
&& s->type != REVK_SETTINGS_UNSIGNED
#endif
#endif
)
{
jo_t j = jo_create_alloc ();
jo_stringn (j, NULL, d, e - d);
jo_rewind (j);
ssize_t len =
jo_strncpyd (j, NULL, 0, s->base64 ? 6 : s->base32 ? 5 : 4, s->base64 ? JO_BASE64 : s->base32 ? JO_BASE32 : JO_BASE16);
if (len <= 0)
err = s->base64 ? "Bad base64" : s->base32 ? "Bad base32" : "Bad hex";
if (err)
d = e = NULL;
else
{
mem = mallocspi (len);
jo_strncpyd (j, mem, len, s->base64 ? 6 : s->base32 ? 5 : 4, s->base64 ? JO_BASE64 : s->base32 ? JO_BASE32 : JO_BASE16);
d = mem;
e = mem + len;
}
jo_free (&j);
}
switch (s->type)
{
#ifdef REVK_SETTINGS_HAS_NUMERIC
#ifdef REVK_SETTINGS_HAS_SIGNED
case REVK_SETTINGS_SIGNED:
#endif
#ifdef REVK_SETTINGS_HAS_UNSIGNED
case REVK_SETTINGS_UNSIGNED:
#endif
if (s->malloc)
err = "Malloc number not supported";
else
{
err = parse_numeric (s, &ptr, &d, e);
if (a && index < 0)
while (!err && --a)
err = parse_numeric (s, &ptr, &d, e);
if (!err && d < e)
err = "Extra data on end of number";
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BIT
case REVK_SETTINGS_BIT:
if (s->malloc)
err = "Malloc bit not supported";
else
{
uint8_t b = ((d < e && (*d == '1' || *d == 't' || *d == 'o')) ? 1 : 0);
if (ptr)
*(uint8_t *) ptr = b;
else
{
if (b)
((uint8_t *) & revk_settings_bits)[s->bit / 8] |= (1 << (s->bit & 7));
else
((uint8_t *) & revk_settings_bits)[s->bit / 8] &= ~(1 << (s->bit & 7));
}
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_BLOB
case REVK_SETTINGS_BLOB:
if (!s->malloc)
err = "Fixed blob not supported";
else
{
void **p = (void **) ptr;
free (*p);
if (d < e)
{
*p = mallocspi (sizeof (revk_settings_blob_t) + e - d);
((revk_settings_blob_t *) (*p))->len = (e - d);
memcpy ((*p) + sizeof (revk_settings_blob_t), d, e - d);
} else
{
*p = mallocspi (sizeof (revk_settings_blob_t));
((revk_settings_blob_t *) (*p))->len = 0;
}
if (a && index < 0)
while (--a)
{
p++;
free (*p);
*p = mallocspi (sizeof (revk_settings_blob_t));
((revk_settings_blob_t *) (*p))->len = 0;
}
}
break;
#endif
#if defined(REVK_SETTINGS_HAS_STRING) || defined(REVK_SETTINGS_HAS_JSON)
#ifdef REVK_SETTINGS_HAS_JSON
case REVK_SETTINGS_JSON:
if (e > d)
{ // Check syntax
jo_t j = jo_parse_mem (d, e - d);
jo_skip (j);
if (jo_error (j, NULL))
return "Bad JSON";
}
__attribute__((fallthrough));
#endif
#ifdef REVK_SETTINGS_HAS_STRING
case REVK_SETTINGS_STRING:
#endif
{
if (!s->malloc)
{ // Fixed
if (e - d + 1 > s->size)
err = "String too long";
else
{
memcpy (ptr, d, e - d);
((char *) ptr)[e - d] = 0;
}
if (a && index < 0)
while (--a)
{
ptr += s->size;
memset (ptr, 0, s->size);
}
} else
{ // Malloc
void **p = (void **) ptr;
free (*p);
if (d)
*p = strndup (d, (int) (e - d));
else
*p = strdup ("");
if (a && index < 0)
while (--a)
{
p++;
free (*p);
*p = strdup ("");
}
}
}
break;
#endif
#ifdef REVK_SETTINGS_HAS_OCTET
case REVK_SETTINGS_OCTET:
if (s->malloc)
err = "Malloc octet not supported";
else
{
if (d < e)
{
if (e - d != s->size)
err = "Wrong length";
else
memcpy (ptr, d, e - d);
} else
memset (ptr, 0, s->size);
if (a && index < 0)
while (--a)
{
memset (ptr, 0, s->size);
ptr += s->size;
}
}
break;
#endif
#ifdef CONFIG_REVK_SETTINGS_DEBUG
default:
ESP_LOGE (TAG, "Bad type %s %d", s->name, s->type);
#endif
}
free (mem);
return err;
}
void
revk_settings_load (const char *tag, const char *appname)
{ // Scan NVS to load values to settings
for (revk_settings_t * s = revk_settings; s->len; s++)
load_value (s, s->def, -1, NULL);
// Scan
for (int revk = 0; revk < 2; revk++)
{
struct zap_s
{
struct zap_s *next;
revk_settings_t *s;
int index;
char tag[0];
} *zap = NULL;
const char *part = revk ? tag : "nvs";
const char *ns = revk ? tag : appname;
if (!nvs_open_from_partition (part, ns, NVS_READWRITE, &nvs[revk]))
{
nvs_iterator_t i = NULL;
if (!nvs_entry_find_compat (part, ns, NVS_TYPE_ANY, &i))
{
#ifdef CONFIG_REVK_SETTINGS_DEBUG
ESP_LOGE (TAG, "Scan %s/%s", part, ns);
#endif
do
{
nvs_entry_info_t info = { 0 };
void addzap (revk_settings_t * s, int index)
{ // Add record to delete, and record the replacement that has to be saved (s) if required
struct zap_s *z = malloc (sizeof (*z) + strlen (info.key) + 1);
strcpy ((char *) z->tag, info.key);
z->next = zap;
z->s = s;
z->index = index;
zap = z;
}
if (nvs_entry_info_compat (i, &info))
continue; // ?;
const char *err = NULL;
int l = strlen (info.key);
int index = 0;
revk_settings_t *s;
for (s = revk_settings; s->len && !(s->revk == revk && s->len == l && !memcmp (s->name, info.key, l)); s++);
if (s->len)
{
err = nvs_get (s, info.key, 0); // Exact match
if (s->array)
addzap (s, 0); // Non array as first entry in array
} else
{
for (s = revk_settings;
s->len && !(s->revk == revk && s->array && s->len + 1 == l && !memcmp (s->name, info.key, s->len)
&& (info.key[s->len] & 0x80)); s++);
if (s->len)
err = nvs_get (s, info.key, index = info.key[s->len] - 0x80); // Array match, new
else
{