51 lines
976 B
C++
51 lines
976 B
C++
#ifndef WATCHDOG_WATCHDOG_H_
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#define WATCHDOG_WATCHDOG_H_
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#include <array>
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#include <cstdint>
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#include <string>
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class WatchdogTask {
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public:
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enum class States {
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NOT_STARTED,
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RUNNING,
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SUSPENDED,
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FAULTY
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};
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enum class LoopResult {
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OK,
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SUSPEND_RQ,
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CANCEL_RQ,
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RESTART_RQ,
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TIMEOUT,
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HUNG_UP,
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FAULT
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};
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WatchdogTask();
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virtual ~WatchdogTask();
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int performOperation();
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private:
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int fd = 0;
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bool obswRunning = false;
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bool watchdogRunning = false;
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bool printNotRunningLatch = false;
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std::array<uint8_t, 64> buf;
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States state = States::NOT_STARTED;
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LoopResult watchdogLoop();
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LoopResult pollEvent(struct pollfd& waiter);
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LoopResult parseCommandByte(ssize_t readLen);
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int performRunningOperation();
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int performNotRunningOperation(LoopResult type);
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int performSuspendOperation();
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};
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#endif /* WATCHDOG_WATCHDOG_H_ */
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