ConditionTimeout.hpp

Go to the documentation of this file.

#ifndef ORG_EEROS_SEQUENCER_CONDITIONTIMEOUT_HPP_
#define ORG_EEROS_SEQUENCER_CONDITIONTIMEOUT_HPP_

#include <eeros/sequencer/Condition.hpp>
#include <chrono>

namespace eeros {
    namespace sequencer {
        
        class ConditionTimeout : public Condition {
        public:
            ConditionTimeout() : timeout(0) { }
            
            bool validate() {
                if (timeout == 0) return false; // timeout not activated
                if (started == false) {     // first call
                    resetTimeout();
                    return false;
                }
                auto now = std::chrono::steady_clock::now();
                auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(now - startTime);
                return (duration.count() > timeout * 1000);
            };
            
            void setTimeoutTime(double timeInSec) {timeout = timeInSec;}    // 0 = not set or infinite
            void resetTimeout() {
                started = true;
                startTime = std::chrono::steady_clock::now();
            }
        private:
            bool started = false;           
            std::chrono::steady_clock::time_point startTime;
            double timeout; // 0 = not set or infinite, in seconds
        };
        
    };  //namespace sequencer
}; // namespace eeros

#endif // ORG_EEROS_SEQUENCER_CONDITIONTIMEOUT_HPP_