/
provisioningdatabasemanager.c
1061 lines (906 loc) · 32.1 KB
/
provisioningdatabasemanager.c
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/* *****************************************************************
*
* Copyright 2015 Samsung Electronics All Rights Reserved.
*
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* *****************************************************************/
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include "sqlite3.h"
#include "logger.h"
#include "oic_malloc.h"
#include "provisioningdatabasemanager.h"
#include "pmutility.h"
#include "oic_string.h"
#include "utlist.h"
#define DB_FILE "PDM.db"
#define TAG "OIC_PDM"
#define PDM_FIRST_INDEX 0
#define PDM_SECOND_INDEX 1
#define PDM_BIND_INDEX_FIRST 1
#define PDM_BIND_INDEX_SECOND 2
#define PDM_BIND_INDEX_THIRD 3
#define PDM_CREATE_T_DEVICE_LIST "create table T_DEVICE_LIST(ID INTEGER PRIMARY KEY AUTOINCREMENT,\
UUID BLOB NOT NULL UNIQUE, STATE INT NOT NULL);"
#define PDM_CREATE_T_DEVICE_LINK "create table T_DEVICE_LINK_STATE(ID INT NOT NULL, ID2 INT NOT \
NULL,STATE INT NOT NULL, PRIMARY KEY (ID, ID2));"
/**
* Macro to verify sqlite success.
* eg: VERIFY_NON_NULL(TAG, ptrData, ERROR,OC_STACK_ERROR);
*/
#define PDM_VERIFY_SQLITE_OK(tag, arg, logLevel, retValue) do{ if (SQLITE_OK != (arg)) \
{ OIC_LOG_V((logLevel), tag, "Error in " #arg ", Error Message: %s", \
sqlite3_errmsg(g_db)); return retValue; }}while(0)
#define PDM_SQLITE_TRANSACTION_BEGIN "BEGIN TRANSACTION;"
#define PDM_SQLITE_TRANSACTION_COMMIT "COMMIT;"
#define PDM_SQLITE_TRANSACTION_ROLLBACK "ROLLBACK;"
#define PDM_SQLITE_GET_STALE_INFO "SELECT ID,ID2 FROM T_DEVICE_LINK_STATE WHERE STATE = ?"
#define PDM_SQLITE_INSERT_T_DEVICE_LIST "INSERT INTO T_DEVICE_LIST VALUES(?,?,?)"
#define PDM_SQLITE_GET_ID "SELECT ID FROM T_DEVICE_LIST WHERE UUID like ?"
#define PDM_SQLITE_INSERT_LINK_DATA "INSERT INTO T_DEVICE_LINK_STATE VALUES(?,?,?)"
#define PDM_SQLITE_DELETE_LINK "DELETE FROM T_DEVICE_LINK_STATE WHERE ID = ? and ID2 = ?"
#define PDM_SQLITE_DELETE_DEVICE_LINK "DELETE FROM T_DEVICE_LINK_STATE WHERE ID = ? or ID2 = ?"
#define PDM_SQLITE_DELETE_DEVICE "DELETE FROM T_DEVICE_LIST WHERE ID = ?"
#define PDM_SQLITE_DELETE_DEVICE_WITH_STATE "DELETE FROM T_DEVICE_LIST WHERE STATE= ?"
#define PDM_SQLITE_UPDATE_LINK "UPDATE T_DEVICE_LINK_STATE SET STATE = ? WHERE ID = ? and ID2 = ?"
#define PDM_SQLITE_LIST_ALL_UUID "SELECT UUID FROM T_DEVICE_LIST WHERE STATE = 0"
#define PDM_SQLITE_GET_UUID "SELECT UUID,STATE FROM T_DEVICE_LIST WHERE ID = ?"
#define PDM_SQLITE_GET_LINKED_DEVICES "SELECT ID,ID2 FROM T_DEVICE_LINK_STATE WHERE \
(ID = ? or ID2 = ?) and state = 0"
#define PDM_SQLITE_GET_DEVICE_LINKS "SELECT ID,ID2 FROM T_DEVICE_LINK_STATE WHERE \
ID = ? and ID2 = ? and state = 0"
#define PDM_SQLITE_UPDATE_DEVICE "UPDATE T_DEVICE_LIST SET STATE = ? WHERE UUID like ?"
#define PDM_SQLITE_GET_DEVICE_STATUS "SELECT STATE FROM T_DEVICE_LIST WHERE UUID like ?"
#define PDM_SQLITE_UPDATE_LINK_STALE_FOR_STALE_DEVICE "UPDATE T_DEVICE_LINK_STATE SET STATE = 1\
WHERE ID = ? or ID2 = ?"
#define ASCENDING_ORDER(id1, id2) do{if( (id1) > (id2) )\
{ int temp; temp = id1; id1 = id2; id2 = temp; }}while(0)
#define CHECK_PDM_INIT(tag) do{if(true != gInit)\
{ OIC_LOG(ERROR, (tag), "PDB is not initialized"); \
return OC_STACK_PDM_IS_NOT_INITIALIZED; }}while(0)
static sqlite3 *g_db = NULL;
static bool gInit = false; /* Only if we can open sqlite db successfully, gInit is true. */
/**
* function to create DB in case DB doesn't exists
*/
static OCStackResult createDB(const char* path)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
int result = 0;
result = sqlite3_open_v2(path, &g_db, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, NULL);
PDM_VERIFY_SQLITE_OK(TAG, result, ERROR, OC_STACK_ERROR);
result = sqlite3_exec(g_db, PDM_CREATE_T_DEVICE_LIST, NULL, NULL, NULL);
PDM_VERIFY_SQLITE_OK(TAG, result, ERROR, OC_STACK_ERROR);
OIC_LOG(INFO, TAG, "Created T_DEVICE_LIST");
result = sqlite3_exec(g_db, PDM_CREATE_T_DEVICE_LINK, NULL, NULL, NULL);
PDM_VERIFY_SQLITE_OK(TAG, result, ERROR, OC_STACK_ERROR);
OIC_LOG(INFO, TAG, "Created T_DEVICE_LINK_STATE");
gInit = true;
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
/**
* Function to begin any transaction
*/
static OCStackResult begin()
{
int res = 0;
res = sqlite3_exec(g_db, PDM_SQLITE_TRANSACTION_BEGIN, NULL, NULL, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
return OC_STACK_OK;
}
/**
* Function to commit any transaction
*/
static OCStackResult commit()
{
int res = 0;
res = sqlite3_exec(g_db, PDM_SQLITE_TRANSACTION_COMMIT, NULL, NULL, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
return OC_STACK_OK;
}
/**
* Function to rollback any transaction
*/
static OCStackResult rollback()
{
int res = 0;
res = sqlite3_exec(g_db, PDM_SQLITE_TRANSACTION_ROLLBACK, NULL, NULL, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
return OC_STACK_OK;
}
/**
* Error log callback called by SQLite stack in case of error
*/
void errLogCallback(void *pArg, int iErrCode, const char *zMsg)
{
(void) pArg;
(void) iErrCode;
(void) zMsg;
OIC_LOG_V(DEBUG,TAG, "%s : (%d) %s", __func__, iErrCode, zMsg);
}
OCStackResult PDMInit(const char *path)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
int rc;
const char *dbPath = NULL;
if (SQLITE_OK != sqlite3_config(SQLITE_CONFIG_LOG, errLogCallback, NULL))
{
OIC_LOG(INFO, TAG, "Unable to enable debug log of sqlite");
}
if (NULL == path || !*path)
{
dbPath = DB_FILE;
}
else
{
dbPath = path;
}
rc = sqlite3_open_v2(dbPath, &g_db, SQLITE_OPEN_READWRITE, NULL);
if (SQLITE_OK != rc)
{
OIC_LOG_V(INFO, TAG, "ERROR: Can't open database: %s", sqlite3_errmsg(g_db));
sqlite3_close(g_db);
OCStackResult ret = createDB(dbPath);
if (OC_STACK_OK != ret)
{
sqlite3_close(g_db);
}
return ret;
}
gInit = true;
/*
* Remove PDM_DEVICE_INIT status devices.
* PDM_DEVICE_INIT means that the OTM process is in progress.
* PDM_DEVICE_INIT state device can be existed when the program is terminated during the OTM process in progress.
* For this reason, PDM_DEVICE_INIT devices should be removed at PDM initialization time.
*/
if(OC_STACK_OK != PDMDeleteDeviceWithState(PDM_DEVICE_INIT))
{
OIC_LOG_V(WARNING, TAG, "Failed to delete init state devices.");
}
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMAddDevice(const OicUuid_t *UUID)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == UUID)
{
return OC_STACK_INVALID_PARAM;
}
sqlite3_stmt *stmt = 0;
int res =0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_INSERT_T_DEVICE_LIST,
strlen(PDM_SQLITE_INSERT_T_DEVICE_LIST) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_blob(stmt, PDM_BIND_INDEX_SECOND, UUID, UUID_LENGTH, SQLITE_STATIC);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_THIRD, PDM_DEVICE_INIT);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_step(stmt);
if (SQLITE_DONE != res)
{
if (SQLITE_CONSTRAINT == res)
{
//new OCStack result code
OIC_LOG_V(ERROR, TAG, "Error Occured: %s",sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_DUPLICATE_UUID;
}
OIC_LOG_V(ERROR, TAG, "Error Occured: %s",sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
/**
*function to get Id for given UUID
*/
static OCStackResult getIdForUUID(const OicUuid_t *UUID , int *id)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_GET_ID, strlen(PDM_SQLITE_GET_ID) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_blob(stmt, PDM_BIND_INDEX_FIRST, UUID, UUID_LENGTH, SQLITE_STATIC);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
OIC_LOG(DEBUG, TAG, "Binding Done");
while (SQLITE_ROW == sqlite3_step(stmt))
{
int tempId = sqlite3_column_int(stmt, PDM_FIRST_INDEX);
OIC_LOG_V(DEBUG, TAG, "ID is %d", tempId);
*id = tempId;
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
sqlite3_finalize(stmt);
return OC_STACK_INVALID_PARAM;
}
/**
* Function to check duplication of device's Device ID.
*/
OCStackResult PDMIsDuplicateDevice(const OicUuid_t* UUID, bool *result)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == UUID || NULL == result)
{
OIC_LOG(ERROR, TAG, "UUID or result is NULL");
return OC_STACK_INVALID_PARAM;
}
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_GET_ID, strlen(PDM_SQLITE_GET_ID) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_blob(stmt, PDM_BIND_INDEX_FIRST, UUID, UUID_LENGTH, SQLITE_STATIC);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
OIC_LOG(DEBUG, TAG, "Binding Done");
bool retValue = false;
while(SQLITE_ROW == sqlite3_step(stmt))
{
OIC_LOG(INFO, TAG, "Duplicated UUID");
retValue = true;
}
sqlite3_finalize(stmt);
*result = retValue;
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
/**
* Function to add link in sqlite
*/
static OCStackResult addlink(int id1, int id2)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_INSERT_LINK_DATA,
strlen(PDM_SQLITE_INSERT_LINK_DATA) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id1);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_SECOND, id2);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_THIRD, PDM_DEVICE_ACTIVE);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
if (sqlite3_step(stmt) != SQLITE_DONE)
{
OIC_LOG_V(ERROR, TAG, "Error Occured: %s",sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMLinkDevices(const OicUuid_t *UUID1, const OicUuid_t *UUID2)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == UUID1 || NULL == UUID2)
{
OIC_LOG(ERROR, TAG, "Invalid PARAM");
return OC_STACK_INVALID_PARAM;
}
PdmDeviceState_t state = PDM_DEVICE_UNKNOWN;
if (OC_STACK_OK != PDMGetDeviceState(UUID1, &state))
{
OIC_LOG(ERROR, TAG, "Internal error occured");
return OC_STACK_ERROR;
}
if (PDM_DEVICE_ACTIVE != state)
{
OIC_LOG_V(ERROR, TAG, "UUID1: Device state is not active : %d", state);
return OC_STACK_INVALID_PARAM;
}
state = PDM_DEVICE_UNKNOWN;
if (OC_STACK_OK != PDMGetDeviceState(UUID2, &state))
{
OIC_LOG(ERROR, TAG, "Internal error occured");
return OC_STACK_ERROR;
}
if (PDM_DEVICE_ACTIVE != state)
{
OIC_LOG_V(ERROR, TAG, "UUID2: Device state is not active : %d", state);
return OC_STACK_INVALID_PARAM;
}
int id1 = 0;
if (OC_STACK_OK != getIdForUUID(UUID1, &id1))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
int id2 = 0;
if (OC_STACK_OK != getIdForUUID(UUID2, &id2))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
ASCENDING_ORDER(id1, id2);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return addlink(id1, id2);
}
/**
* Function to remove created link
*/
static OCStackResult removeLink(int id1, int id2)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
int res = 0;
sqlite3_stmt *stmt = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_DELETE_LINK, strlen(PDM_SQLITE_DELETE_LINK) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id1);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_SECOND, id2);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
if (SQLITE_DONE != sqlite3_step(stmt))
{
OIC_LOG_V(ERROR, TAG, "Error message: %s", sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMUnlinkDevices(const OicUuid_t *UUID1, const OicUuid_t *UUID2)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == UUID1 || NULL == UUID2)
{
OIC_LOG(ERROR, TAG, "Invalid PARAM");
return OC_STACK_INVALID_PARAM;
}
int id1 = 0;
if (OC_STACK_OK != getIdForUUID(UUID1, &id1))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
int id2 = 0;
if (OC_STACK_OK != getIdForUUID(UUID2, &id2))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
ASCENDING_ORDER(id1, id2);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return removeLink(id1, id2);
}
static OCStackResult removeFromDeviceList(int id)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_DELETE_DEVICE,
strlen(PDM_SQLITE_DELETE_DEVICE) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
if (sqlite3_step(stmt) != SQLITE_DONE)
{
OIC_LOG_V(ERROR, TAG, "Error message: %s", sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMDeleteDevice(const OicUuid_t *UUID)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == UUID)
{
return OC_STACK_INVALID_PARAM;
}
int id = 0;
if (OC_STACK_OK != getIdForUUID(UUID, &id))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
begin();
if(OC_STACK_OK != removeFromDeviceList(id))
{
rollback();
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_ERROR;
}
commit();
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
static OCStackResult updateLinkState(int id1, int id2, int state)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0 ;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_UPDATE_LINK,
strlen(PDM_SQLITE_UPDATE_LINK) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, state);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_SECOND, id1);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_THIRD, id2);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
if (SQLITE_DONE != sqlite3_step(stmt))
{
OIC_LOG_V(ERROR, TAG, "Error message: %s", sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMSetLinkStale(const OicUuid_t* uuidOfDevice1, const OicUuid_t* uuidOfDevice2)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == uuidOfDevice1 || NULL == uuidOfDevice2)
{
OIC_LOG(ERROR, TAG, "Invalid PARAM");
return OC_STACK_INVALID_PARAM;
}
int id1 = 0;
if (OC_STACK_OK != getIdForUUID(uuidOfDevice1, &id1))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
int id2 = 0;
if (OC_STACK_OK != getIdForUUID(uuidOfDevice2, &id2))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
ASCENDING_ORDER(id1, id2);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return updateLinkState(id1, id2, PDM_DEVICE_STALE);
}
OCStackResult PDMGetOwnedDevices(OCUuidList_t **uuidList, size_t *numOfDevices)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL != *uuidList)
{
OIC_LOG(ERROR, TAG, "Not null list will cause memory leak");
return OC_STACK_INVALID_PARAM;
}
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_LIST_ALL_UUID,
strlen(PDM_SQLITE_LIST_ALL_UUID) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
size_t counter = 0;
while (SQLITE_ROW == sqlite3_step(stmt))
{
const void *ptr = sqlite3_column_blob(stmt, PDM_FIRST_INDEX);
OicUuid_t *uid = (OicUuid_t *)ptr;
OCUuidList_t *temp = (OCUuidList_t *) OICCalloc(1,sizeof(OCUuidList_t));
if (NULL == temp)
{
OIC_LOG_V(ERROR, TAG, "Memory allocation problem");
sqlite3_finalize(stmt);
return OC_STACK_NO_MEMORY;
}
memcpy(&temp->dev.id, uid->id, UUID_LENGTH);
LL_PREPEND(*uuidList,temp);
++counter;
}
*numOfDevices = counter;
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
static OCStackResult getUUIDforId(int id, OicUuid_t *uid, bool *result)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_GET_UUID,
strlen(PDM_SQLITE_GET_UUID) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
while (SQLITE_ROW == sqlite3_step(stmt))
{
const void *ptr = sqlite3_column_blob(stmt, PDM_FIRST_INDEX);
memcpy(uid, ptr, sizeof(OicUuid_t));
int temp = sqlite3_column_int(stmt, PDM_SECOND_INDEX);
if(PDM_DEVICE_STALE == temp)
{
if(result)
{
*result = true;
}
}
else
{
if(result)
{
*result = false;
}
}
sqlite3_finalize(stmt);
return OC_STACK_OK;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_INVALID_PARAM;
}
OCStackResult PDMGetLinkedDevices(const OicUuid_t *UUID, OCUuidList_t **UUIDLIST, size_t *numOfDevices)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == UUID || NULL == numOfDevices || !UUIDLIST)
{
return OC_STACK_INVALID_PARAM;
}
if (NULL != *UUIDLIST )
{
OIC_LOG(ERROR, TAG, "Not null list will cause memory leak");
return OC_STACK_INVALID_PARAM;
}
PdmDeviceState_t state = PDM_DEVICE_UNKNOWN;
OCStackResult ret = PDMGetDeviceState(UUID, &state);
if (OC_STACK_OK != ret)
{
OIC_LOG(ERROR, TAG, "Internal error occured");
return OC_STACK_ERROR;
}
if (PDM_DEVICE_ACTIVE != state)
{
OIC_LOG_V(ERROR, TAG, "Device state is not active : %d", state);
return OC_STACK_INVALID_PARAM;
}
int id = 0;
if (OC_STACK_OK != getIdForUUID(UUID, &id))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_GET_LINKED_DEVICES,
strlen(PDM_SQLITE_GET_LINKED_DEVICES) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_SECOND, id);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
size_t counter = 0;
while (SQLITE_ROW == sqlite3_step(stmt))
{
int i1 = sqlite3_column_int(stmt, PDM_FIRST_INDEX);
int i2 = sqlite3_column_int(stmt, PDM_SECOND_INDEX);
OicUuid_t temp = {{0,}};
if (i1 != id)
{
getUUIDforId(i1, &temp, NULL);
}
if (i2 != id)
{
getUUIDforId(i2, &temp, NULL);
}
OCUuidList_t *tempNode = (OCUuidList_t *) OICCalloc(1,sizeof(OCUuidList_t));
if (NULL == tempNode)
{
OIC_LOG(ERROR, TAG, "No Memory");
sqlite3_finalize(stmt);
return OC_STACK_NO_MEMORY;
}
memcpy(&tempNode->dev.id, &temp.id, UUID_LENGTH);
LL_PREPEND(*UUIDLIST,tempNode);
++counter;
}
*numOfDevices = counter;
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMGetToBeUnlinkedDevices(OCPairList_t **staleDevList, size_t *numOfDevices)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL != *staleDevList)
{
OIC_LOG(ERROR, TAG, "Not null list will cause memory leak");
return OC_STACK_INVALID_PARAM;
}
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_GET_STALE_INFO,
strlen(PDM_SQLITE_GET_STALE_INFO) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, PDM_DEVICE_STALE);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
size_t counter = 0;
while (SQLITE_ROW == sqlite3_step(stmt))
{
int i1 = sqlite3_column_int(stmt, PDM_FIRST_INDEX);
int i2 = sqlite3_column_int(stmt, PDM_SECOND_INDEX);
OicUuid_t temp1 = {{0,}};
OicUuid_t temp2 = {{0,}};;
getUUIDforId(i1, &temp1, NULL);
getUUIDforId(i2, &temp2, NULL);
OCPairList_t *tempNode = (OCPairList_t *) OICCalloc(1, sizeof(OCPairList_t));
if (NULL == tempNode)
{
OIC_LOG(ERROR, TAG, "No Memory");
sqlite3_finalize(stmt);
return OC_STACK_NO_MEMORY;
}
memcpy(&tempNode->dev.id, &temp1.id, UUID_LENGTH);
memcpy(&tempNode->dev2.id, &temp2.id, UUID_LENGTH);
LL_PREPEND(*staleDevList, tempNode);
++counter;
}
*numOfDevices = counter;
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMClose()
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
int res = 0;
res = sqlite3_close(g_db);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
void PDMDestoryOicUuidLinkList(OCUuidList_t* ptr)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
if(ptr)
{
OCUuidList_t *tmp1 = NULL,*tmp2=NULL;
LL_FOREACH_SAFE(ptr, tmp1, tmp2)
{
LL_DELETE(ptr, tmp1);
OICFree(tmp1);
}
}
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
}
void PDMDestoryStaleLinkList(OCPairList_t* ptr)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
if(ptr)
{
OCPairList_t *tmp1 = NULL,*tmp2=NULL;
LL_FOREACH_SAFE(ptr, tmp1, tmp2)
{
LL_DELETE(ptr, tmp1);
OICFree(tmp1);
}
}
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
}
OCStackResult PDMIsLinkExists(const OicUuid_t* uuidOfDevice1, const OicUuid_t* uuidOfDevice2,
bool* result)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
CHECK_PDM_INIT(TAG);
if (NULL == uuidOfDevice1 || NULL == uuidOfDevice2 || NULL == result)
{
return OC_STACK_INVALID_PARAM;
}
int id1 = 0;
int id2 = 0;
if (OC_STACK_OK != getIdForUUID(uuidOfDevice1, &id1))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
if (OC_STACK_OK != getIdForUUID(uuidOfDevice2, &id2))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
PdmDeviceState_t state = PDM_DEVICE_UNKNOWN;
if (OC_STACK_OK != PDMGetDeviceState(uuidOfDevice1, &state))
{
OIC_LOG(ERROR, TAG, "uuidOfDevice1:Internal error occured");
return OC_STACK_ERROR;
}
if (PDM_DEVICE_ACTIVE != state)
{
OIC_LOG_V(ERROR, TAG, "uuidOfDevice1:Device state is not active : %d", state);
return OC_STACK_INVALID_PARAM;
}
state = PDM_DEVICE_UNKNOWN;
if (OC_STACK_OK != PDMGetDeviceState(uuidOfDevice2, &state))
{
OIC_LOG(ERROR, TAG, "uuidOfDevice2:Internal error occured");
return OC_STACK_ERROR;
}
if (PDM_DEVICE_ACTIVE != state)
{
OIC_LOG_V(ERROR, TAG, "uuidOfDevice2:Device state is not active : %d", state);
return OC_STACK_INVALID_PARAM;
}
ASCENDING_ORDER(id1, id2);
sqlite3_stmt *stmt = 0;
int res = 0;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_GET_DEVICE_LINKS,
strlen(PDM_SQLITE_GET_DEVICE_LINKS) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id1);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_SECOND, id2);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
bool ret = false;
while(SQLITE_ROW == sqlite3_step(stmt))
{
OIC_LOG(INFO, TAG, "Link already exists between devices");
ret = true;
}
sqlite3_finalize(stmt);
*result = ret;
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
static OCStackResult updateDeviceState(const OicUuid_t *uuid, PdmDeviceState_t state)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0 ;
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_UPDATE_DEVICE,
strlen(PDM_SQLITE_UPDATE_DEVICE) + 1, &stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, state);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_blob(stmt, PDM_BIND_INDEX_SECOND, uuid, UUID_LENGTH, SQLITE_STATIC);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
if (SQLITE_DONE != sqlite3_step(stmt))
{
OIC_LOG_V(ERROR, TAG, "Error message: %s", sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
static OCStackResult updateLinkForStaleDevice(const OicUuid_t *devUuid)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
sqlite3_stmt *stmt = 0;
int res = 0 ;
int id = 0;
if (OC_STACK_OK != getIdForUUID(devUuid, &id))
{
OIC_LOG(ERROR, TAG, "Requested value not found");
return OC_STACK_INVALID_PARAM;
}
res = sqlite3_prepare_v2(g_db, PDM_SQLITE_UPDATE_LINK_STALE_FOR_STALE_DEVICE,
strlen(PDM_SQLITE_UPDATE_LINK_STALE_FOR_STALE_DEVICE) + 1,
&stmt, NULL);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_FIRST, id);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
res = sqlite3_bind_int(stmt, PDM_BIND_INDEX_SECOND, id);
PDM_VERIFY_SQLITE_OK(TAG, res, ERROR, OC_STACK_ERROR);
if (SQLITE_DONE != sqlite3_step(stmt))
{
OIC_LOG_V(ERROR, TAG, "Error message: %s", sqlite3_errmsg(g_db));
sqlite3_finalize(stmt);
return OC_STACK_ERROR;
}
sqlite3_finalize(stmt);
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}
OCStackResult PDMSetDeviceState(const OicUuid_t* uuid, PdmDeviceState_t state)
{
OIC_LOG_V(DEBUG, TAG, "IN %s", __func__);
OCStackResult res = OC_STACK_ERROR;
CHECK_PDM_INIT(TAG);
if (NULL == uuid)
{
OIC_LOG(ERROR, TAG, "Invalid PARAM");
return OC_STACK_INVALID_PARAM;
}
begin();
if(PDM_DEVICE_STALE == state)
{
res = updateLinkForStaleDevice(uuid);
if (OC_STACK_OK != res)
{
rollback();
OIC_LOG(ERROR, TAG, "unable to update links");
return res;
}
}
res = updateDeviceState(uuid, state);
if (OC_STACK_OK != res)
{
rollback();
OIC_LOG(ERROR, TAG, "unable to update device state");
return res;
}
commit();
OIC_LOG_V(DEBUG, TAG, "OUT %s", __func__);
return OC_STACK_OK;
}