/*
* Function to unlink devices.
* This function will remove the credential & relationship between the two devices.
*
* @param[in] ctx Application context would be returned in result callback
* @param[in] pTargetDev1 first device information to be unlinked.
* @param[in] pTargetDev2 second device information to be unlinked.
* @param[in] resultCallback callback provided by API user, callback will be called when
* device unlink is finished.
* @return OC_STACK_OK in case of success and other value otherwise.
*/
OCStackResult OCUnlinkDevices(void* ctx,
const OCProvisionDev_t* pTargetDev1,
const OCProvisionDev_t* pTargetDev2,
OCProvisionResultCB resultCallback)
{
OIC_LOG(INFO, TAG, "IN OCUnlinkDevices");
OCUuidList_t* idList = NULL;
size_t numOfDev = 0;
if (!pTargetDev1 || !pTargetDev2 || !pTargetDev1->doxm || !pTargetDev2->doxm)
{
OIC_LOG(ERROR, TAG, "OCUnlinkDevices : NULL parameters");
return OC_STACK_INVALID_PARAM;
}
if (!resultCallback)
{
OIC_LOG(INFO, TAG, "OCUnlinkDevices : NULL Callback");
return OC_STACK_INVALID_CALLBACK;
}
if (0 == memcmp(&pTargetDev1->doxm->deviceID, &pTargetDev2->doxm->deviceID, sizeof(OicUuid_t)))
{
OIC_LOG(INFO, TAG, "OCUnlinkDevices : Same device ID");
return OC_STACK_INVALID_PARAM;
}
// Get linked devices with the first device.
OCStackResult res = PDMGetLinkedDevices(&(pTargetDev1->doxm->deviceID), &idList, &numOfDev);
if (OC_STACK_OK != res)
{
OIC_LOG(ERROR, TAG, "OCUnlinkDevices : PDMgetOwnedDevices failed");
goto error;
}
if (1 > numOfDev)
{
OIC_LOG(DEBUG, TAG, "OCUnlinkDevices : Can not find linked devices");
res = OC_STACK_INVALID_PARAM; // Input devices are not linked, No request is made
goto error;
}
// Check the linked devices contains the second device. If yes send credential DELETE request.
OCUuidList_t* curDev = idList;
while (NULL != curDev)
{
if (memcmp(pTargetDev2->doxm->deviceID.id, curDev->dev.id, sizeof(curDev->dev.id)) == 0)
{
res = SRPUnlinkDevices(ctx, pTargetDev1, pTargetDev2, resultCallback);
if (OC_STACK_OK != res)
{
OIC_LOG(ERROR, TAG, "OCUnlinkDevices : Failed to unlink devices.");
}
goto error;
}
curDev = curDev->next;
}
OIC_LOG(DEBUG, TAG, "No matched pair found from provisioning database");
res = OC_STACK_INVALID_PARAM; // Input devices are not linked, No request is made
error:
OIC_LOG(INFO, TAG, "OUT OCUnlinkDevices");
PDMDestoryOicUuidLinkList(idList);
return res;
}
TEST(SRPUnlinkDevicesTest, NullCallback)
{
OCProvisionDev_t dev1;
OCProvisionDev_t dev2;
EXPECT_EQ(OC_STACK_INVALID_PARAM, SRPUnlinkDevices(NULL, &dev1, &dev2, NULL));
}
TEST(SRPUnlinkDevicesTest, NullDevice2)
{
OCProvisionDev_t dev1;
EXPECT_EQ(OC_STACK_INVALID_PARAM, SRPUnlinkDevices(NULL, &dev1, NULL, provisioningCB));
}
TEST(SRPUnlinkDevicesTest, NullCallback)
{
EXPECT_EQ(OC_STACK_INVALID_CALLBACK, SRPUnlinkDevices(NULL, &pDev1, &pDev2, NULL));
}
TEST(SRPUnlinkDevicesTest, SamelDeviceId)
{
EXPECT_EQ(OC_STACK_INVALID_PARAM, SRPUnlinkDevices(NULL, &pDev1, &pDev1, provisioningCB));
}
TEST(SRPUnlinkDevicesTest, NullDevice1)
{
EXPECT_EQ(OC_STACK_INVALID_PARAM, SRPUnlinkDevices(NULL, NULL, &pDev2, provisioningCB));
}