74 lines
1.4 KiB
C++
74 lines
1.4 KiB
C++
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#ifndef BURST_BUDGET_HPP_U5GXDCZN
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#define BURST_BUDGET_HPP_U5GXDCZN
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#include <vanetza/common/clock.hpp>
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#include <boost/circular_buffer.hpp>
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#include <chrono>
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#include <cstddef>
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namespace vanetza
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{
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// forward declaration
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class Runtime;
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namespace dcc
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{
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/**
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* BurstBudget: TRC restrictions for DP0 message bursts as per C2C-CC BSP.
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*/
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class BurstBudget
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{
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public:
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BurstBudget(const Runtime&);
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~BurstBudget();
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/**
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* Get current delay to remain in budget
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* \return shortest delay not exceeding budget
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*/
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Clock::duration delay();
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/**
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* Notify budget of consumption
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*/
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void notify();
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/**
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* Set upper limit of messages per burst
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* \param n burst limit
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*/
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void burst_messages(std::size_t n);
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/**
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* Set maximum duration per burst
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* \param d burst duration
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*/
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void burst_duration(Clock::duration d);
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/**
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* Set minimum duration between bursts
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* \param p burst period
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*/
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void burst_period(Clock::duration p);
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/**
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* Get burst interval
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* \return bust interval
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*/
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Clock::duration burst_period() const { return m_burst_period; }
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private:
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const Runtime& m_runtime;
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boost::circular_buffer<Clock::time_point> m_messages;
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Clock::duration m_burst_duration;
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Clock::duration m_burst_period;
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};
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} // namespace dcc
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} // namespace vanetza
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#endif /* BURST_BUDGET_HPP_U5GXDCZN */
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