596 lines
15 KiB
C
596 lines
15 KiB
C
/*
|
|
/* From: https://chromium.googlesource.com/chromium/src.git/+/4.1.249.1050/third_party/sqlite/src/os_symbian.cc
|
|
* https://github.com/spsoft/spmemvfs/tree/master/spmemvfs
|
|
* http://www.sqlite.org/src/doc/trunk/src/test_demovfs.c
|
|
* http://www.sqlite.org/src/doc/trunk/src/test_vfstrace.c
|
|
* http://www.sqlite.org/src/doc/trunk/src/test_onefile.c
|
|
* http://www.sqlite.org/src/doc/trunk/src/test_vfs.c
|
|
**/
|
|
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <osapi.h>
|
|
#include <vfs.h>
|
|
#include <time.h>
|
|
#include <spi_flash.h>
|
|
#include <sqlite3.h>
|
|
|
|
#undef dbg_printf
|
|
#define dbg_printf(...) 0
|
|
#define CACHEBLOCKSZ 64
|
|
#define ESP8266_DEFAULT_MAXNAMESIZE 32
|
|
|
|
static int esp8266_Close(sqlite3_file*);
|
|
static int esp8266_Lock(sqlite3_file *, int);
|
|
static int esp8266_Unlock(sqlite3_file*, int);
|
|
static int esp8266_Sync(sqlite3_file*, int);
|
|
static int esp8266_Open(sqlite3_vfs*, const char *, sqlite3_file *, int, int*);
|
|
static int esp8266_Read(sqlite3_file*, void*, int, sqlite3_int64);
|
|
static int esp8266_Write(sqlite3_file*, const void*, int, sqlite3_int64);
|
|
static int esp8266_Truncate(sqlite3_file*, sqlite3_int64);
|
|
static int esp8266_Delete(sqlite3_vfs*, const char *, int);
|
|
static int esp8266_FileSize(sqlite3_file*, sqlite3_int64*);
|
|
static int esp8266_Access(sqlite3_vfs*, const char*, int, int*);
|
|
static int esp8266_FullPathname( sqlite3_vfs*, const char *, int, char*);
|
|
static int esp8266_CheckReservedLock(sqlite3_file*, int *);
|
|
static int esp8266_FileControl(sqlite3_file *, int, void*);
|
|
static int esp8266_SectorSize(sqlite3_file*);
|
|
static int esp8266_DeviceCharacteristics(sqlite3_file*);
|
|
static void* esp8266_DlOpen(sqlite3_vfs*, const char *);
|
|
static void esp8266_DlError(sqlite3_vfs*, int, char*);
|
|
static void (*esp8266_DlSym (sqlite3_vfs*, void*, const char*))(void);
|
|
static void esp8266_DlClose(sqlite3_vfs*, void*);
|
|
static int esp8266_Randomness(sqlite3_vfs*, int, char*);
|
|
static int esp8266_Sleep(sqlite3_vfs*, int);
|
|
static int esp8266_CurrentTime(sqlite3_vfs*, double*);
|
|
|
|
static int esp8266mem_Close(sqlite3_file*);
|
|
static int esp8266mem_Read(sqlite3_file*, void*, int, sqlite3_int64);
|
|
static int esp8266mem_Write(sqlite3_file*, const void*, int, sqlite3_int64);
|
|
static int esp8266mem_FileSize(sqlite3_file*, sqlite3_int64*);
|
|
static int esp8266mem_Sync(sqlite3_file*, int);
|
|
|
|
typedef struct st_linkedlist {
|
|
uint16_t blockid;
|
|
struct st_linkedlist *next;
|
|
uint8_t data[CACHEBLOCKSZ];
|
|
} linkedlist_t, *pLinkedList_t;
|
|
|
|
typedef struct st_filecache {
|
|
uint32_t size;
|
|
linkedlist_t *list;
|
|
} filecache_t, *pFileCache_t;
|
|
|
|
typedef struct esp8266_file {
|
|
sqlite3_file base;
|
|
int fd;
|
|
filecache_t *cache;
|
|
char name[ESP8266_DEFAULT_MAXNAMESIZE];
|
|
} esp8266_file;
|
|
|
|
static sqlite3_vfs esp8266Vfs = {
|
|
1, // iVersion
|
|
sizeof(esp8266_file), // szOsFile
|
|
FS_OBJ_NAME_LEN, // mxPathname
|
|
NULL, // pNext
|
|
"esp8266", // name
|
|
0, // pAppData
|
|
esp8266_Open, // xOpen
|
|
esp8266_Delete, // xDelete
|
|
esp8266_Access, // xAccess
|
|
esp8266_FullPathname, // xFullPathname
|
|
esp8266_DlOpen, // xDlOpen
|
|
esp8266_DlError, // xDlError
|
|
esp8266_DlSym, // xDlSym
|
|
esp8266_DlClose, // xDlClose
|
|
esp8266_Randomness, // xRandomness
|
|
esp8266_Sleep, // xSleep
|
|
esp8266_CurrentTime, // xCurrentTime
|
|
0 // xGetLastError
|
|
};
|
|
|
|
static const sqlite3_io_methods esp8266IoMethods = {
|
|
1,
|
|
esp8266_Close,
|
|
esp8266_Read,
|
|
esp8266_Write,
|
|
esp8266_Truncate,
|
|
esp8266_Sync,
|
|
esp8266_FileSize,
|
|
esp8266_Lock,
|
|
esp8266_Unlock,
|
|
esp8266_CheckReservedLock,
|
|
esp8266_FileControl,
|
|
esp8266_SectorSize,
|
|
esp8266_DeviceCharacteristics
|
|
};
|
|
|
|
static const sqlite3_io_methods esp8266MemMethods = {
|
|
1,
|
|
esp8266mem_Close,
|
|
esp8266mem_Read,
|
|
esp8266mem_Write,
|
|
esp8266_Truncate,
|
|
esp8266mem_Sync,
|
|
esp8266mem_FileSize,
|
|
esp8266_Lock,
|
|
esp8266_Unlock,
|
|
esp8266_CheckReservedLock,
|
|
esp8266_FileControl,
|
|
esp8266_SectorSize,
|
|
esp8266_DeviceCharacteristics
|
|
};
|
|
|
|
static uint32_t linkedlist_store (linkedlist_t **leaf, uint32_t offset, uint32_t len, const uint8_t *data) {
|
|
const uint8_t blank[CACHEBLOCKSZ] = { 0 };
|
|
uint16_t blockid = offset/CACHEBLOCKSZ;
|
|
linkedlist_t *block;
|
|
|
|
if (!memcmp(data, blank, CACHEBLOCKSZ))
|
|
return len;
|
|
|
|
block = *leaf;
|
|
if (!block || ( block->blockid != blockid ) ) {
|
|
block = sqlite3_malloc ( sizeof( linkedlist_t ) );
|
|
if (!block)
|
|
return SQLITE_NOMEM;
|
|
|
|
memset (block->data, 0, CACHEBLOCKSZ);
|
|
block->blockid = blockid;
|
|
}
|
|
|
|
if (!*leaf) {
|
|
*leaf = block;
|
|
block->next = NULL;
|
|
} else if (block != *leaf) {
|
|
if (block->blockid > (*leaf)->blockid) {
|
|
block->next = (*leaf)->next;
|
|
(*leaf)->next = block;
|
|
} else {
|
|
block->next = (*leaf);
|
|
(*leaf) = block;
|
|
}
|
|
}
|
|
|
|
memcpy (block->data + offset%CACHEBLOCKSZ, data, len);
|
|
|
|
return len;
|
|
}
|
|
|
|
static uint32_t filecache_pull (pFileCache_t cache, uint32_t offset, uint32_t len, uint8_t *data) {
|
|
uint16_t i;
|
|
float blocks;
|
|
uint32_t r = 0;
|
|
|
|
blocks = ( offset % CACHEBLOCKSZ + len ) / (float) CACHEBLOCKSZ;
|
|
|
|
if (blocks == 0.0)
|
|
return 0;
|
|
|
|
if (( blocks - (int) blocks) > 0.0)
|
|
blocks = blocks + 1.0;
|
|
|
|
for (i = 0; i < (uint16_t) blocks; i++) {
|
|
uint16_t round;
|
|
float relablock;
|
|
linkedlist_t *leaf;
|
|
uint32_t relaoffset, relalen;
|
|
uint8_t * reladata = (uint8_t*) data;
|
|
|
|
relalen = len - r;
|
|
|
|
reladata = reladata + r;
|
|
relaoffset = offset + r;
|
|
|
|
round = CACHEBLOCKSZ - relaoffset%CACHEBLOCKSZ;
|
|
if (relalen > round) relalen = round;
|
|
|
|
for (leaf = cache->list; leaf && leaf->next; leaf = leaf->next) {
|
|
if ( ( leaf->next->blockid * CACHEBLOCKSZ ) > relaoffset )
|
|
break;
|
|
}
|
|
|
|
relablock = relaoffset/((float)CACHEBLOCKSZ) - leaf->blockid;
|
|
|
|
if ( ( relablock >= 0 ) && ( relablock < 1 ) )
|
|
memcpy (data + r, leaf->data + (relaoffset % CACHEBLOCKSZ), relalen);
|
|
|
|
r = r + relalen;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t filecache_push (pFileCache_t cache, uint32_t offset, uint32_t len, const uint8_t *data) {
|
|
uint16_t i;
|
|
float blocks;
|
|
uint32_t r = 0;
|
|
uint8_t updateroot = 0x1;
|
|
|
|
blocks = ( offset % CACHEBLOCKSZ + len ) / (float) CACHEBLOCKSZ;
|
|
|
|
if (blocks == 0.0)
|
|
return 0;
|
|
|
|
if (( blocks - (int) blocks) > 0.0)
|
|
blocks = blocks + 1.0;
|
|
|
|
for (i = 0; i < (uint16_t) blocks; i++) {
|
|
uint16_t round;
|
|
uint32_t localr;
|
|
linkedlist_t *leaf;
|
|
uint32_t relaoffset, relalen;
|
|
uint8_t * reladata = (uint8_t*) data;
|
|
|
|
relalen = len - r;
|
|
|
|
reladata = reladata + r;
|
|
relaoffset = offset + r;
|
|
|
|
round = CACHEBLOCKSZ - relaoffset%CACHEBLOCKSZ;
|
|
if (relalen > round) relalen = round;
|
|
|
|
for (leaf = cache->list; leaf && leaf->next; leaf = leaf->next) {
|
|
if ( ( leaf->next->blockid * CACHEBLOCKSZ ) > relaoffset )
|
|
break;
|
|
updateroot = 0x0;
|
|
}
|
|
|
|
localr = linkedlist_store(&leaf, relaoffset, (relalen > CACHEBLOCKSZ) ? CACHEBLOCKSZ : relalen, reladata);
|
|
if (localr == SQLITE_NOMEM)
|
|
return SQLITE_NOMEM;
|
|
|
|
r = r + localr;
|
|
|
|
if (updateroot & 0x1)
|
|
cache->list = leaf;
|
|
}
|
|
|
|
if (offset + len > cache->size)
|
|
cache->size = offset + len;
|
|
|
|
return r;
|
|
}
|
|
|
|
static void filecache_free (pFileCache_t cache) {
|
|
pLinkedList_t this = cache->list, next;
|
|
|
|
while (this != NULL) {
|
|
next = this->next;
|
|
sqlite3_free (this);
|
|
this = next;
|
|
}
|
|
}
|
|
|
|
static int esp8266mem_Close(sqlite3_file *id)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
filecache_free(file->cache);
|
|
sqlite3_free (file->cache);
|
|
|
|
dbg_printf("esp8266mem_Close: %s OK\n", file->name);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266mem_Read(sqlite3_file *id, void *buffer, int amount, sqlite3_int64 offset)
|
|
{
|
|
sint32_t ofst;
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
ofst = (sint32_t)(offset & 0x7FFFFFFF);
|
|
|
|
filecache_pull (file->cache, ofst, amount, buffer);
|
|
|
|
dbg_printf("esp8266mem_Read: %s [%ld] [%d] OK\n", file->name, ofst, amount);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266mem_Write(sqlite3_file *id, const void *buffer, int amount, sqlite3_int64 offset)
|
|
{
|
|
sint32_t ofst;
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
ofst = (sint32_t)(offset & 0x7FFFFFFF);
|
|
|
|
filecache_push (file->cache, ofst, amount, buffer);
|
|
|
|
dbg_printf("esp8266mem_Write: %s [%ld] [%d] OK\n", file->name, ofst, amount);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266mem_Sync(sqlite3_file *id, int flags)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
dbg_printf("esp8266mem_Sync: %s OK\n", file->name);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266mem_FileSize(sqlite3_file *id, sqlite3_int64 *size)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
*size = 0LL | file->cache->size;
|
|
dbg_printf("esp8266mem_FileSize: %s [%d] OK\n", file->name, file->cache->size);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Open( sqlite3_vfs * vfs, const char * path, sqlite3_file * file, int flags, int * outflags )
|
|
{
|
|
int rc;
|
|
char *mode = "r";
|
|
esp8266_file *p = (esp8266_file*) file;
|
|
|
|
if ( path == NULL ) return SQLITE_IOERR;
|
|
if( flags&SQLITE_OPEN_READONLY ) mode = "r";
|
|
if( flags&SQLITE_OPEN_READWRITE || flags&SQLITE_OPEN_MAIN_JOURNAL ) {
|
|
int result;
|
|
if (SQLITE_OK != esp8266_Access(vfs, path, flags, &result))
|
|
return SQLITE_CANTOPEN;
|
|
|
|
if (result == 1)
|
|
mode = "r+";
|
|
else
|
|
mode = "w+";
|
|
}
|
|
|
|
dbg_printf("esp8266_Open: 1o %s %s\n", path, mode);
|
|
memset (p, 0, sizeof(esp8266_file));
|
|
|
|
strncpy (p->name, path, ESP8266_DEFAULT_MAXNAMESIZE);
|
|
p->name[ESP8266_DEFAULT_MAXNAMESIZE-1] = '\0';
|
|
|
|
if( flags&SQLITE_OPEN_MAIN_JOURNAL ) {
|
|
p->fd = 0;
|
|
p->cache = sqlite3_malloc(sizeof (filecache_t));
|
|
if (! p->cache )
|
|
return SQLITE_NOMEM;
|
|
memset (p->cache, 0, sizeof(filecache_t));
|
|
|
|
p->base.pMethods = &esp8266MemMethods;
|
|
dbg_printf("esp8266_Open: 2o %s %d MEM OK\n", p->name, p->fd);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
p->fd = vfs_open (path, mode);
|
|
if ( p->fd <= 0 ) {
|
|
return SQLITE_CANTOPEN;
|
|
}
|
|
|
|
p->base.pMethods = &esp8266IoMethods;
|
|
dbg_printf("esp8266_Open: 2o %s %d OK\n", p->name, p->fd);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Close(sqlite3_file *id)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
int rc = vfs_close(file->fd);
|
|
dbg_printf("esp8266_Close: %s %d %d\n", file->name, file->fd, rc);
|
|
return rc ? SQLITE_IOERR_CLOSE : SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Read(sqlite3_file *id, void *buffer, int amount, sqlite3_int64 offset)
|
|
{
|
|
size_t nRead;
|
|
sint32_t ofst, iofst;
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
iofst = (sint32_t)(offset & 0x7FFFFFFF);
|
|
|
|
dbg_printf("esp8266_Read: 1r %s %d %d %lld[%ld] \n", file->name, file->fd, amount, offset, iofst);
|
|
ofst = vfs_lseek(file->fd, iofst, VFS_SEEK_SET);
|
|
if (ofst != iofst) {
|
|
dbg_printf("esp8266_Read: 2r %ld != %ld FAIL\n", ofst, iofst);
|
|
return SQLITE_IOERR_SHORT_READ /* SQLITE_IOERR_SEEK */;
|
|
}
|
|
|
|
nRead = vfs_read(file->fd, buffer, amount);
|
|
if ( nRead == amount ) {
|
|
dbg_printf("esp8266_Read: 3r %s %u %d OK\n", file->name, nRead, amount);
|
|
return SQLITE_OK;
|
|
} else if ( nRead >= 0 ) {
|
|
dbg_printf("esp8266_Read: 3r %s %u %d FAIL\n", file->name, nRead, amount);
|
|
return SQLITE_IOERR_SHORT_READ;
|
|
}
|
|
|
|
dbg_printf("esp8266_Read: 4r %s FAIL\n", file->name);
|
|
return SQLITE_IOERR_READ;
|
|
}
|
|
|
|
static int esp8266_Write(sqlite3_file *id, const void *buffer, int amount, sqlite3_int64 offset)
|
|
{
|
|
size_t nWrite;
|
|
sint32_t ofst, iofst;
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
iofst = (sint32_t)(offset & 0x7FFFFFFF);
|
|
|
|
dbg_printf("esp8266_Write: 1w %s %d %d %lld[%ld] \n", file->name, file->fd, amount, offset, iofst);
|
|
ofst = vfs_lseek(file->fd, iofst, VFS_SEEK_SET);
|
|
if (ofst != iofst) {
|
|
return SQLITE_IOERR_SEEK;
|
|
}
|
|
|
|
nWrite = vfs_write(file->fd, buffer, amount);
|
|
if ( nWrite != amount ) {
|
|
dbg_printf("esp8266_Write: 2w %s %u %d\n", file->name, nWrite, amount);
|
|
return SQLITE_IOERR_WRITE;
|
|
}
|
|
|
|
dbg_printf("esp8266_Write: 3w %s OK\n", file->name);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Truncate(sqlite3_file *id, sqlite3_int64 bytes)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
dbg_printf("esp8266_Truncate:\n");
|
|
return 0 ? SQLITE_IOERR_TRUNCATE : SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Delete( sqlite3_vfs * vfs, const char * path, int syncDir )
|
|
{
|
|
sint32_t rc = vfs_remove( path );
|
|
if (rc == VFS_RES_ERR)
|
|
return SQLITE_IOERR_DELETE;
|
|
|
|
dbg_printf("esp8266_Delete: %s OK\n", path);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_FileSize(sqlite3_file *id, sqlite3_int64 *size)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
*size = 0LL | vfs_size( file->fd );
|
|
dbg_printf("esp8266_FileSize: %s %u[%lld]\n", file->name, vfs_size(file->fd), *size);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Sync(sqlite3_file *id, int flags)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
int rc = vfs_flush( file->fd );
|
|
dbg_printf("esp8266_Sync: %d\n", rc);
|
|
|
|
return rc ? SQLITE_IOERR_FSYNC : SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Access( sqlite3_vfs * vfs, const char * path, int flags, int * result )
|
|
{
|
|
struct vfs_stat st;
|
|
sint32_t rc = vfs_stat( path, &st );
|
|
*result = ( rc != VFS_RES_ERR );
|
|
|
|
dbg_printf("esp8266_Access: %d\n", *result);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_FullPathname( sqlite3_vfs * vfs, const char * path, int len, char * fullpath )
|
|
{
|
|
struct vfs_stat st;
|
|
sint32_t rc = vfs_stat( path, &st );
|
|
if ( rc == VFS_RES_OK ){
|
|
strncpy( fullpath, st.name, len );
|
|
} else {
|
|
strncpy( fullpath, path, len );
|
|
}
|
|
|
|
fullpath[ len - 1 ] = '\0';
|
|
|
|
dbg_printf("esp8266_FullPathname: %s\n", fullpath);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Lock(sqlite3_file *id, int lock_type)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
dbg_printf("esp8266_Lock:\n");
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Unlock(sqlite3_file *id, int lock_type)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
dbg_printf("esp8266_Unlock:\n");
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_CheckReservedLock(sqlite3_file *id, int *result)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
*result = 0;
|
|
|
|
dbg_printf("esp8266_CheckReservedLock:\n");
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_FileControl(sqlite3_file *id, int op, void *arg)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
dbg_printf("esp8266_FileControl:\n");
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_SectorSize(sqlite3_file *id)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
dbg_printf("esp8266_SectorSize:\n");
|
|
return SPI_FLASH_SEC_SIZE;
|
|
}
|
|
|
|
static int esp8266_DeviceCharacteristics(sqlite3_file *id)
|
|
{
|
|
esp8266_file *file = (esp8266_file*) id;
|
|
|
|
dbg_printf("esp8266_DeviceCharacteristics:\n");
|
|
return 0;
|
|
}
|
|
|
|
static void * esp8266_DlOpen( sqlite3_vfs * vfs, const char * path )
|
|
{
|
|
dbg_printf("esp8266_DlOpen:\n");
|
|
return NULL;
|
|
}
|
|
|
|
static void esp8266_DlError( sqlite3_vfs * vfs, int len, char * errmsg )
|
|
{
|
|
dbg_printf("esp8266_DlError:\n");
|
|
return;
|
|
}
|
|
|
|
static void ( * esp8266_DlSym ( sqlite3_vfs * vfs, void * handle, const char * symbol ) ) ( void )
|
|
{
|
|
dbg_printf("esp8266_DlSym:\n");
|
|
return NULL;
|
|
}
|
|
|
|
static void esp8266_DlClose( sqlite3_vfs * vfs, void * handle )
|
|
{
|
|
dbg_printf("esp8266_DlClose:\n");
|
|
return;
|
|
}
|
|
|
|
static int esp8266_Randomness( sqlite3_vfs * vfs, int len, char * buffer )
|
|
{
|
|
int rc = os_get_random(buffer, len);
|
|
dbg_printf("esp8266_Randomness: %d\n", rc);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_Sleep( sqlite3_vfs * vfs, int microseconds )
|
|
{
|
|
dbg_printf("esp8266_Sleep:\n");
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int esp8266_CurrentTime( sqlite3_vfs * vfs, double * result )
|
|
{
|
|
// This is stubbed out until we have a working RTCTIME solution;
|
|
// as it stood, this would always have returned the UNIX epoch.
|
|
// time_t t = time(NULL);
|
|
// *result = t / 86400.0 + 2440587.5;
|
|
*result = 2440587.5;
|
|
dbg_printf("esp8266_CurrentTime: %g\n", *result);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
int sqlite3_os_init(void){
|
|
sqlite3_vfs_register(&esp8266Vfs, 1);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
int sqlite3_os_end(void){
|
|
return SQLITE_OK;
|
|
}
|