| Line |
Branch |
Exec |
Source |
| 1 |
|
|
/***************************************************************************** |
| 2 |
|
|
* |
| 3 |
|
|
* $Id$ |
| 4 |
|
|
* |
| 5 |
|
|
* Copyright 2010 Richard Hacker (lerichi at gmx dot net) |
| 6 |
|
|
* |
| 7 |
|
|
* This file is part of the pdserv library. |
| 8 |
|
|
* |
| 9 |
|
|
* The pdserv library is free software: you can redistribute it and/or modify |
| 10 |
|
|
* it under the terms of the GNU Lesser General Public License as published |
| 11 |
|
|
* by the Free Software Foundation, either version 3 of the License, or (at |
| 12 |
|
|
* your option) any later version. |
| 13 |
|
|
* |
| 14 |
|
|
* The pdserv library is distributed in the hope that it will be useful, but |
| 15 |
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 |
|
|
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 17 |
|
|
* License for more details. |
| 18 |
|
|
* |
| 19 |
|
|
* You should have received a copy of the GNU Lesser General Public License |
| 20 |
|
|
* along with the pdserv library. If not, see <http://www.gnu.org/licenses/>. |
| 21 |
|
|
* |
| 22 |
|
|
*****************************************************************************/ |
| 23 |
|
|
|
| 24 |
|
|
#ifndef SUBSCRIPTIONMANAGER_H |
| 25 |
|
|
#define SUBSCRIPTIONMANAGER_H |
| 26 |
|
|
|
| 27 |
|
|
#include "../SessionTask.h" |
| 28 |
|
|
|
| 29 |
|
|
#include <set> |
| 30 |
|
|
#include <map> |
| 31 |
|
|
#include <memory> |
| 32 |
|
|
|
| 33 |
|
|
namespace PdServ { |
| 34 |
|
|
class Task; |
| 35 |
|
|
struct TaskStatistics; |
| 36 |
|
|
} |
| 37 |
|
|
|
| 38 |
|
|
namespace MsrProto { |
| 39 |
|
|
|
| 40 |
|
|
class Channel; |
| 41 |
|
|
class Subscription; |
| 42 |
|
|
class Session; |
| 43 |
|
|
|
| 44 |
|
|
class SubscriptionManager: public PdServ::SessionTask { |
| 45 |
|
|
public: |
| 46 |
|
|
SubscriptionManager(Session *session, const PdServ::Task*); |
| 47 |
|
|
~SubscriptionManager(); |
| 48 |
|
|
|
| 49 |
|
|
Session * const session; |
| 50 |
|
|
|
| 51 |
|
|
void rxPdo(bool quiet); |
| 52 |
|
|
|
| 53 |
|
|
void clear(); |
| 54 |
|
|
void unsubscribe(const Channel *s, size_t group); |
| 55 |
|
|
void subscribe(const Channel *s, size_t group, |
| 56 |
|
|
size_t decimation, size_t blocksize, |
| 57 |
|
|
bool base64, std::streamsize precision); |
| 58 |
|
|
|
| 59 |
|
|
void sync(); |
| 60 |
|
|
|
| 61 |
|
|
const struct timespec *taskTime; |
| 62 |
|
|
const PdServ::TaskStatistics *taskStatistics; |
| 63 |
|
|
|
| 64 |
|
|
private: |
| 65 |
|
|
static struct timespec dummyTime; |
| 66 |
|
|
static PdServ::TaskStatistics dummyTaskStatistics; |
| 67 |
|
|
|
| 68 |
|
|
// Here is a map of all subscribed channels. Organization: |
| 69 |
|
|
// signalSubscriptionMap |
| 70 |
|
|
// -> [signal] |
| 71 |
|
|
// -> [channel] |
| 72 |
|
|
// -> [group] |
| 73 |
|
|
// -> subscription |
| 74 |
|
|
typedef std::map<size_t, Subscription*> SubscriptionGroup; |
| 75 |
|
|
typedef std::map<const Channel*, SubscriptionGroup> |
| 76 |
|
|
ChannelSubscriptionMap; |
| 77 |
|
|
typedef std::map<const PdServ::Signal*, ChannelSubscriptionMap> |
| 78 |
|
|
SignalSubscriptionMap; |
| 79 |
|
|
SignalSubscriptionMap signalSubscriptionMap; |
| 80 |
|
|
|
| 81 |
|
|
// Here is a template class that implements a decimation counter |
| 82 |
|
|
template <class T> |
| 83 |
|
36 |
struct DecimationCounter: std::map<size_t, T> { |
| 84 |
|
36 |
DecimationCounter(): counter(0) {} |
| 85 |
|
1989 |
bool busy(size_t start) { |
| 86 |
2/2
✓ Branch 1 taken 872 times.
✓ Branch 2 taken 1117 times.
|
1989 |
if (!counter) |
| 87 |
|
872 |
counter = start; |
| 88 |
|
1989 |
return --counter; |
| 89 |
|
|
} |
| 90 |
|
|
size_t counter; |
| 91 |
|
|
}; |
| 92 |
|
|
|
| 93 |
|
|
// Here are the active signals, those that are transferred via shmem. |
| 94 |
|
|
// Organization: activeSignals |
| 95 |
|
|
// -> [group] |
| 96 |
|
|
// -> [decimation] |
| 97 |
|
|
// -> [blocksize] |
| 98 |
|
|
// -> subscriptionSet |
| 99 |
|
|
// -> subscription |
| 100 |
|
72 |
struct SubscriptionSet: std::set<Subscription*> { |
| 101 |
|
|
std::unique_ptr<uint64_t[]> time; |
| 102 |
|
|
uint64_t *timePtr; |
| 103 |
|
|
}; |
| 104 |
|
|
typedef DecimationCounter<SubscriptionSet> BlocksizeGroup; |
| 105 |
|
|
typedef std::map<size_t, BlocksizeGroup> DecimationGroup; |
| 106 |
|
|
typedef std::map<size_t, DecimationGroup> ActiveSignals; |
| 107 |
|
|
ActiveSignals activeSignals; |
| 108 |
|
|
|
| 109 |
|
|
std::set<const PdServ::Signal*> activeSignalSet; |
| 110 |
|
|
|
| 111 |
|
|
void remove(Subscription *s, size_t group); |
| 112 |
|
|
|
| 113 |
|
|
// Reimplemented from PdServ::SessionTask |
| 114 |
|
|
void newSignal( const PdServ::Signal *); |
| 115 |
|
|
}; |
| 116 |
|
|
|
| 117 |
|
|
} |
| 118 |
|
|
#endif //SUBSCRIPTIONMANAGER_H |
| 119 |
|
|
|