BtStatus FmpReadServiceDB(BD_ADDR *bd_addr, FmpServiceDB **servicedb)
{
S32 fd;
BD_ADDR addr;
FmpServiceDB *db;
S32 pos_file_end;
S32 pos_end;
U16 service_size;
fd = btmtk_fs_open((const U8*)FMP_SERVICE_DATABASE_FILE, BTMTK_FS_READ_ONLY);
if (fd < 0)
{
// file is not exist
return BT_STATUS_FAILED;
}
service_size = sizeof(FmpServiceDB);
pos_file_end = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_END);
pos_end = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
/* Seach database file util the end of the file */
while (pos_end != pos_file_end)
{
btmtk_fs_read(fd, (U8 *)&addr, 6);
Report(("[FMP] read service db, addr: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", addr.addr[0],
addr.addr[1], addr.addr[2], addr.addr[3], addr.addr[4], addr.addr[5]));
if (!fmp_dev_addr_equal(bd_addr, &addr))
{
pos_end = btmtk_fs_seek(fd, service_size - 6, BTMTK_FS_SEEK_CURRENT);
continue;
}
break;
}
if (pos_end == pos_file_end)
{
/* No matched device database has been found */
btmtk_fs_close(fd);
return BT_STATUS_FAILED;
}
db = (FmpServiceDB *)fmp_malloc(sizeof(FmpServiceDB));
if (db == NULL)
{
return BT_STATUS_NO_RESOURCES;
}
btmtk_fs_seek(fd, pos_end, BTMTK_FS_SEEK_BEGIN);
btmtk_fs_read(fd, (U8 *)db, service_size);
Report(("[FMP] read service db, handle: 0x%x 0x%x 0x%x ", db->start_handle, db->end_handle, db->char_value_handle));
btmtk_fs_close(fd);
*servicedb = db;
return BT_STATUS_SUCCESS;
}
void BleServiceDbLoadRecord(void)
{
if (BleDbCtx(loadCount) == 0)
{
Report(("[BleDB] Loading record..."));
// kal_trace(BT_TRACE_BLE_PROFILES, BLEDB_LOADRECORD);
BT_GattRegisterConnectedEvent(&BleDbCtx(gattHandler), BleServiceDbGattEventCallback);
BleDbCtx(bondingHandler).callback = BleServiceDbBondingCb;
ATTDB_RegisterBondStatus(&BleDbCtx(bondingHandler));
if (btmtk_fs_is_dir_exist((const U8*)BLE_SERVICE_DATABASE_FILE))
{
S32 fd;
S32 pos_current;
S32 pos_end;
ble_service_db *db_node;
fd = btmtk_fs_open((const U8*)BLE_SERVICE_DATABASE_FILE, BTMTK_FS_READ_ONLY);
if (fd < 0)
{
// file is not exist
goto exit;
}
pos_end = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_END);
pos_current = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
while (pos_current < pos_end)
{
db_node = (ble_service_db *)get_ctrl_buffer(sizeof(ble_service_db));
OS_MemSet((U8 *)db_node, 0, sizeof(ble_service_db));
btmtk_fs_read(fd, (U8 *)db_node + sizeof(ListEntry), sizeof(ble_service_db) - sizeof(ListEntry));
pos_current += (sizeof(ble_service_db) - sizeof(ListEntry));
InsertTailList(&BleDbCtx(servicedbList), &db_node->node);
}
btmtk_fs_close(fd);
}
}
exit:
BleDbCtx(loadCount)++;
}
void BleServiceDbUpdateRecord(ble_service_db *servicedb)
{
S32 fd;
S32 pos_current;
S32 pos_end;
U32 mode = BTMTK_FS_READ_WRITE;
U8 *db_buff;
if (!btmtk_fs_is_dir_exist((const U8*)BLE_SERVICE_DATABASE_FILE))
{
mode |= BTMTK_FS_CREATE;
}
fd = btmtk_fs_open((const U8*)BLE_SERVICE_DATABASE_FILE, mode);
if (fd < 0)
{
return;
}
pos_end = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_END);
pos_current = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
db_buff = (U8 *)get_ctrl_buffer(sizeof(ble_service_db) - sizeof(ListEntry));
while (pos_current < pos_end)
{
btmtk_fs_read(fd, db_buff, sizeof(ble_service_db) - sizeof(ListEntry));
if (OS_MemCmp(db_buff, 6, servicedb->bdAddr.addr, 6))
{
btmtk_fs_seek(fd, pos_current, BTMTK_FS_SEEK_BEGIN);
break;
}
pos_current += (sizeof(ble_service_db) - sizeof(ListEntry));
}
free_ctrl_buffer(db_buff);
Report(("[BleDB] Update record in file, seek offset: %d", pos_current));
// kal_trace(BT_TRACE_BLE_PROFILES, BLEDB_UPDATERECORD_OFFSET, pos_current);
btmtk_fs_write(fd, ((U8 *)servicedb) + sizeof(ListEntry), sizeof(ble_service_db) - sizeof(ListEntry));
btmtk_fs_close(fd);
}
void FmpWriteServiceDB(FmpServiceDB *servicedb)
{
S32 fd;
U32 mode = BTMTK_FS_READ_WRITE;
if (!btmtk_fs_is_dir_exist((const U8*)FMP_SERVICE_DATABASE_FILE))
{
mode |= BTMTK_FS_CREATE;
}
fd = btmtk_fs_open((const U8*)FMP_SERVICE_DATABASE_FILE, mode);
if (fd < 0)
{
return;
}
btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_END);
/* There might be paddings in file caused by 4 bytes alignment in structure */
btmtk_fs_write(fd, (U8 *)servicedb, sizeof(FmpServiceDB));
btmtk_fs_close(fd);
}
static void BleServiceDbRemoveRecord(const BD_ADDR *bd_addr)
{
S32 fd;
S32 fd_temp;
S32 pos_current;
S32 pos_end;
U8 *db_buff;
U8 *buffer;
if (!btmtk_fs_is_dir_exist((const U8*)BLE_SERVICE_DATABASE_FILE))
{
return;
}
fd = btmtk_fs_open((const U8*)BLE_SERVICE_DATABASE_FILE, BTMTK_FS_READ_WRITE);
if (fd < 0)
{
return;
}
pos_end = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_END);
pos_current = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
db_buff = (U8 *)get_ctrl_buffer(sizeof(ble_service_db) - sizeof(ListEntry));
while (pos_current < pos_end)
{
btmtk_fs_read(fd, db_buff, sizeof(ble_service_db) - sizeof(ListEntry));
if (OS_MemCmp(db_buff, 6, bd_addr->addr, 6))
{
break;
}
pos_current += (sizeof(ble_service_db) - sizeof(ListEntry));
}
free_ctrl_buffer(db_buff);
if (pos_current == pos_end)
{
Report(("[BleDB] Remove record, NOT FOUND!"));
// kal_trace(BT_TRACE_BLE_PROFILES, BLEDB_REMOVERECORD_NOTFOUND);.
return;
}
/* Case 1: If there is only one database, delete the file directly */
if (pos_end - pos_current == sizeof(ble_service_db) - sizeof(ListEntry))
{
Report(("[BleDB] Remove record, delete file directly..."));
// kal_trace(BT_TRACE_BLE_PROFILES, BLEDB_REMOVERECORD_DELETEFILE);
btmtk_fs_delete((const U8 *)BLE_SERVICE_DATABASE_FILE);
return;
}
/* Case 2: If there is more than one database, create a new temp file,
* move the left database to the temp file, delete the original database
* file, and rename the temp file as the new database file.
*/
fd_temp = btmtk_fs_open((const U8*)BLE_SERVICE_DATABASE_TEMP_FILE, BTMTK_FS_READ_WRITE | BTMTK_FS_CREATE);
if (fd_temp < 0)
{
return;
}
if (pos_current > 0)
{
/* Move first half of the database to temp file */
buffer = (U8 *)get_ctrl_buffer(pos_current);
btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
btmtk_fs_read(fd, buffer, pos_current);
btmtk_fs_write(fd_temp, buffer, pos_current);
free_ctrl_buffer(buffer);
}
pos_current = btmtk_fs_seek(fd, sizeof(ble_service_db) - sizeof(ListEntry), BTMTK_FS_SEEK_CURRENT);
if (pos_current < pos_end)
{
/* Move first half of the database to temp file */
buffer = (U8 *)get_ctrl_buffer(pos_end - pos_current);
btmtk_fs_read(fd, buffer, pos_end - pos_current);
btmtk_fs_write(fd_temp, buffer, pos_end - pos_current);
free_ctrl_buffer(buffer);
}
Report(("[BleDB] pos cur: %d, pos end: %d", pos_current, pos_end));
btmtk_fs_close(fd);
btmtk_fs_close(fd_temp);
btmtk_fs_delete((const U8 *)BLE_SERVICE_DATABASE_FILE);
btmtk_fs_rename((const U8 *)BLE_SERVICE_DATABASE_TEMP_FILE, (const U8 *)BLE_SERVICE_DATABASE_FILE);
}
void FmpRemoveServiceDB(BD_ADDR *bd_addr)
{
S32 fd;
S32 fd_temp;
BD_ADDR addr;
U16 service_size;
S32 pos_file_end;
S32 pos_start;
S32 pos_end;
U8 *buffer;
fd = btmtk_fs_open((const U8*)FMP_SERVICE_DATABASE_FILE, BTMTK_FS_READ_ONLY);
if (fd < 0)
{
// file is not exist
return;
}
service_size = sizeof(FmpServiceDB);
pos_file_end = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_END);
pos_start = btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
pos_end = pos_start;
/* Seach database file util the end of the file */
while (pos_end != pos_file_end)
{
btmtk_fs_read(fd, (U8 *)&addr, 6);
Report(("[FMP] write service db, addr: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", addr.addr[0],
addr.addr[1], addr.addr[2], addr.addr[3], addr.addr[4], addr.addr[5]));
if (!fmp_dev_addr_equal(bd_addr, &addr))
{
pos_end = btmtk_fs_seek(fd, service_size - 6, BTMTK_FS_SEEK_CURRENT);
continue;
}
break;
}
if (pos_end == pos_file_end)
{
/* No matched device database has been found */
kal_trace(BT_TRACE_BLE_PROFILES, FMP_REMOVEDATABASE_NO_MATCHED);
btmtk_fs_close(fd);
return;
}
/* Case 1: If there is only one database, delete the file directly */
if (pos_file_end - pos_start == service_size)
{
kal_trace(BT_TRACE_BLE_PROFILES, HTP_REMOVEDATABASE_DELETEFILE);
btmtk_fs_delete((const U8 *)FMP_SERVICE_DATABASE_FILE);
return;
}
/* Case 2: If there is more than one database, create a new temp file,
* move the left database to the temp file, delete the original database
* file, and rename the temp file as the new database file.
*/
fd_temp = btmtk_fs_open((const U8*)FMP_SERVICE_DATABASE_TEMP_FILE, BTMTK_FS_READ_WRITE | BTMTK_FS_CREATE);
if (fd_temp < 0)
{
return;
}
if (pos_end != pos_start)
{
/* Move first half of the database to temp file */
buffer = (U8 *)fmp_malloc(pos_end - pos_start);
btmtk_fs_seek(fd, 0, BTMTK_FS_SEEK_BEGIN);
btmtk_fs_read(fd, buffer, pos_end - pos_start);
btmtk_fs_write(fd_temp, buffer, pos_end - pos_start);
fmp_free(buffer);
pos_start = btmtk_fs_seek(fd, service_size, BTMTK_FS_SEEK_CURRENT);
}
else
{
pos_start = btmtk_fs_seek(fd, service_size - 6, BTMTK_FS_SEEK_CURRENT);
}
if (pos_start != pos_file_end)
{
/* Move first half of the database to temp file */
buffer = (U8 *)fmp_malloc(pos_file_end - pos_start);
btmtk_fs_read(fd, buffer, pos_file_end - pos_start);
btmtk_fs_write(fd_temp, buffer, pos_file_end - pos_start);
fmp_free(buffer);
}
btmtk_fs_close(fd);
btmtk_fs_close(fd_temp);
btmtk_fs_delete((const U8 *)FMP_SERVICE_DATABASE_FILE);
btmtk_fs_rename((const U8 *)FMP_SERVICE_DATABASE_TEMP_FILE, (const U8 *)FMP_SERVICE_DATABASE_FILE);
}