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subscription mechanism almost complete

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This commit is contained in:
Robin Müller 2020-10-14 20:05:39 +02:00
parent a9a31308ae
commit ab603abada
3 changed files with 64 additions and 4 deletions
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10
datapoollocal/HasLocalDataPoolIF.h
View File

@ -96,8 +96,11 @@ public:
* @details
* Can be overriden by the child class to handle changed datasets.
* @param sid
* @param storeId If a snapshot was requested, data will be located inside
* the IPC store with this store ID.
*/
virtual void handleChangedDatasetOrVariable(sid_t sid) {
virtual void handleChangedDataset(sid_t sid,
store_address_t storeId = storeId::INVALID_STORE_ADDRESS) {
return;
}
@ -107,8 +110,11 @@ public:
* @details
* Can be overriden by the child class to handle changed pool IDs.
* @param sid
* @param storeId If a snapshot was requested, data will be located inside
* the IPC store with this store ID.
*/
virtual void handleChangedPoolVariable(lp_id_t poolId) {
virtual void handleChangedPoolVariable(lp_id_t poolId,
store_address_t storeId = storeId::INVALID_STORE_ADDRESS) {
return;
}

51
datapoollocal/LocalDataPoolManager.cpp
View File

@ -129,6 +129,14 @@ ReturnValue_t LocalDataPoolManager::performHkOperation() {
}
if(poolObj->hasChanged()) {
// prepare and send update notification.
CommandMessage notification;
HousekeepingMessage::setUpdateNotificationVariableCommand(
&notification, receiver.dataId.localPoolId);
ReturnValue_t result = hkQueue->sendMessage(
receiver.destinationQueue, &notification);
if(result != HasReturnvaluesIF::RETURN_OK) {
status = result;
}
toReset = poolObj;
}
@ -169,6 +177,16 @@ ReturnValue_t LocalDataPoolManager::performHkOperation() {
}
if(poolObj->hasChanged()) {
// prepare and send update snapshot.
CommandMessage notification;
// todo: serialize into store with timestamp.
store_address_t storeId;
HousekeepingMessage::setUpdateSnapshotSetCommand(
&notification, receiver.dataId.sid, storeId);
ReturnValue_t result = hkQueue->sendMessage(
receiver.destinationQueue, &notification);
if(result != HasReturnvaluesIF::RETURN_OK) {
status = result;
}
toReset = poolObj;
}
}
@ -180,6 +198,16 @@ ReturnValue_t LocalDataPoolManager::performHkOperation() {
}
if(dataSet->hasChanged()) {
// prepare and send update snapshot.
CommandMessage notification;
// todo: serialize into store with timestamp.
store_address_t storeId;
HousekeepingMessage::setUpdateSnapshotVariableCommand(
&notification, receiver.dataId.localPoolId, storeId);
ReturnValue_t result = hkQueue->sendMessage(
receiver.destinationQueue, &notification);
if(result != HasReturnvaluesIF::RETURN_OK) {
status = result;
}
toReset = dataSet;
}
}
@ -384,6 +412,7 @@ ReturnValue_t LocalDataPoolManager::handleHousekeepingMessage(
sid_t sid = HousekeepingMessage::getSid(message);
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
switch(command) {
// Houskeeping interface handling.
case(HousekeepingMessage::ENABLE_PERIODIC_DIAGNOSTICS_GENERATION): {
result = togglePeriodicGeneration(sid, true, true);
break;
@ -438,8 +467,28 @@ ReturnValue_t LocalDataPoolManager::handleHousekeepingMessage(
dataSet, true);
}
// Notification handling.
case(HousekeepingMessage::UPDATE_NOTIFICATION_SET): {
owner->handleChangedDatasetOrVariable(sid);
owner->handleChangedDataset(sid);
return HasReturnvaluesIF::RETURN_OK;
}
case(HousekeepingMessage::UPDATE_NOTIFICATION_VARIABLE): {
lp_id_t locPoolId = HousekeepingMessage::
getUpdateNotificationVariableCommand(message);
owner->handleChangedPoolVariable(locPoolId);
return HasReturnvaluesIF::RETURN_OK;
}
case(HousekeepingMessage::UPDATE_SNAPSHOT_SET): {
store_address_t storeId;
HousekeepingMessage::getUpdateSnapshotSetCommand(message, &storeId);
owner->handleChangedDataset(sid, storeId);
return HasReturnvaluesIF::RETURN_OK;
}
case(HousekeepingMessage::UPDATE_SNAPSHOT_VARIABLE): {
store_address_t storeId;
lp_id_t localPoolId = HousekeepingMessage::
getUpdateSnapshotVariableCommand(message, &storeId);
owner->handleChangedPoolVariable(localPoolId, storeId);
return HasReturnvaluesIF::RETURN_OK;
}

7
storagemanager/storeAddress.h
View File

@ -3,16 +3,21 @@
#include <cstdint>
namespace storeId {
static constexpr uint32_t INVALID_STORE_ADDRESS = 0xffffffff;
}
/**
* This union defines the type that identifies where a data packet is
* stored in the store. It comprises of a raw part to read it as raw value and
* a structured part to use it in pool-like stores.
*/
union store_address_t {
/**
* Default Constructor, initializing to INVALID_ADDRESS
*/
store_address_t():raw(0xFFFFFFFF){}
store_address_t(): raw(storeId::INVALID_STORE_ADDRESS){}
/**
* Constructor to create an address object using the raw address
*