mohr/fsfw
1
0
Fork 0
forked from fsfw/fsfw
Code Pull Requests Activity

tc distribution improvements

Browse Source
This commit is contained in:
Robin Müller
2020-10-01 13:23:06 +02:00
parent 7c3f99ed2d
commit 89c4370d91
10 changed files with 331 additions and 267 deletions
Download Patch File Download Diff File Expand all files Collapse all files

136
tcdistribution/TcDistributor.h
View File

@ -1,5 +1,6 @@
#ifndef TCDISTRIBUTOR_H_
#define TCDISTRIBUTOR_H_
#ifndef FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_
#define FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_
#include "../objectmanager/ObjectManagerIF.h"
#include "../objectmanager/SystemObject.h"
#include "../returnvalues/HasReturnvaluesIF.h"
@ -9,16 +10,12 @@
#include "../ipc/MessageQueueIF.h"
#include <map>
/**
* \defgroup tc_distribution Telecommand Distribution
* All classes associated with Routing and Distribution of Telecommands belong to this group.
* @defgroup tc_distribution Telecommand Distribution
* All classes associated with Routing and Distribution of Telecommands
* belong to this group.
*/
/**
* This typedef simplifies writing down the \c map iterator.
*/
typedef std::map<uint32_t, MessageQueueId_t>::iterator iterator_t;
/**
* This is the base class to implement distributors for Space Packets.
@ -28,62 +25,19 @@ typedef std::map<uint32_t, MessageQueueId_t>::iterator iterator_t;
* message queue ids to some identifier. The process of unpacking the
* destination information from the packet is handled by the child class
* implementations.
* \ingroup tc_distribution
* @ingroup tc_distribution
*/
class TcDistributor : public SystemObject, public ExecutableObjectIF, public HasReturnvaluesIF {
private:
/**
* This constant sets the maximum number of packets distributed per call.
*/
static const uint8_t DISTRIBUTER_MAX_PACKETS = 128;
protected:
/**
* This is the receiving queue for incoming Telecommands.
* The child classes must make its queue id public.
*/
MessageQueueIF* tcQueue;
/**
* The last received incoming packet information is stored in this
* member.
* As different child classes unpack the incoming packet differently
* (i.e. as a CCSDS Space Packet or as a PUS Telecommand Packet), it
* is not tried to unpack the packet information within this class.
*/
TmTcMessage currentMessage;
/**
* The map that links certain packet information to a destination.
* The packet information may be the APID of the packet or the service
* identifier. Filling of the map is under control of the different child
* classes.
*/
std::map<uint32_t, MessageQueueId_t> queueMap;
/**
* This method shall unpack the routing information from the incoming
* packet and select the map entry which represents the packet's target.
* @return An iterator to the map element to forward to or queuMap.end().
*/
virtual iterator_t selectDestination() = 0;
/**
* The handlePacket method calls the child class's selectDestination method
* and forwards the packet to its destination, if found.
* @return The message queue return value or \c RETURN_FAILED, in case no
* destination was found.
*/
ReturnValue_t handlePacket();
/**
* This method gives the child class a chance to perform some kind of operation
* after the parent tried to forward the message.
* A typically application would be sending success/failure messages.
* The default implementation just returns \c RETURN_OK.
* @param queueStatus The status of the message queue after an attempt to send the TC.
* @return - \c RETURN_OK on success
* - \c RETURN_FAILED on failure
*/
virtual ReturnValue_t callbackAfterSending( ReturnValue_t queueStatus );
class TcDistributor : public SystemObject,
public ExecutableObjectIF,
public HasReturnvaluesIF {
public:
static const uint8_t INTERFACE_ID = CLASS_ID::PACKET_DISTRIBUTION;
static const ReturnValue_t PACKET_LOST = MAKE_RETURN_CODE( 1 );
static const ReturnValue_t DESTINATION_NOT_FOUND = MAKE_RETURN_CODE( 2 );
using TcMessageQueueMap = std::map<uint32_t, MessageQueueId_t>;
using TcMqMapIter = std::map<uint32_t, MessageQueueId_t>::iterator;
static constexpr uint8_t INTERFACE_ID = CLASS_ID::PACKET_DISTRIBUTION;
static constexpr ReturnValue_t PACKET_LOST = MAKE_RETURN_CODE( 1 );
static constexpr ReturnValue_t DESTINATION_NOT_FOUND = MAKE_RETURN_CODE( 2 );
static constexpr ReturnValue_t SERVICE_ID_ALREADY_EXISTS = MAKE_RETURN_CODE(3);
/**
* Within the default constructor, the SystemObject id is set and the
* message queue is initialized.
@ -91,7 +45,7 @@ public:
* @param set_object_id This id is assigned to the distributor
* implementation.
*/
TcDistributor( object_id_t set_object_id );
TcDistributor(object_id_t objectId);
/**
* The destructor is empty, the message queues are not in the vicinity of
* this class.
@ -110,7 +64,59 @@ public:
* queueMap.
*/
void print();
protected:
/**
* This is the receiving queue for incoming Telecommands.
* The child classes must make its queue id public.
*/
MessageQueueIF* tcQueue = nullptr;
/**
* The last received incoming packet information is stored in this
* member.
* As different child classes unpack the incoming packet differently
* (i.e. as a CCSDS Space Packet or as a PUS Telecommand Packet), it
* is not tried to unpack the packet information within this class.
*/
TmTcMessage currentMessage;
/**
* The map that links certain packet information to a destination.
* The packet information may be the APID of the packet or the service
* identifier. Filling of the map is under control of the different child
* classes.
*/
TcMessageQueueMap queueMap;
/**
* This method shall unpack the routing information from the incoming
* packet and select the map entry which represents the packet's target.
* @return An iterator to the map element to forward to or queuMap.end().
*/
virtual TcMqMapIter selectDestination() = 0;
/**
* The handlePacket method calls the child class's selectDestination method
* and forwards the packet to its destination, if found.
* @return The message queue return value or @c RETURN_FAILED, in case no
* destination was found.
*/
ReturnValue_t handlePacket();
/**
* This method gives the child class a chance to perform some kind of
* operation after the parent tried to forward the message.
* A typically application would be sending success/failure messages.
* The default implementation just returns @c RETURN_OK.
* @param queueStatus The status of the message queue after an attempt
* to send the TC.
* @return - @c RETURN_OK on success
* - @c RETURN_FAILED on failure
*/
virtual ReturnValue_t callbackAfterSending( ReturnValue_t queueStatus );
private:
/**
* This constant sets the maximum number of packets distributed per call.
*/
static constexpr uint8_t DISTRIBUTER_MAX_PACKETS = 128;
};
#endif /* TCDISTRIBUTOR_H_ */
#endif /* FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_ */