55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
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#ifndef RUNTIME_HPP_KHDIEMRN
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#define RUNTIME_HPP_KHDIEMRN
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#include <vanetza/common/clock.hpp>
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#include <functional>
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namespace vanetza
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{
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/**
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* Runtime provides current time and enables scheduling of tasks for later execution.
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*
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* All calls to Runtime and objects using the same Runtime have to be invoked from same thread!
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**/
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class Runtime
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{
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public:
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using Callback = std::function<void(Clock::time_point)>;
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/**
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* Schedule callback for later invocation
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* \param tp invoke callback at this time point
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* \param cb callback
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* \param scope associated scope pointer (used only for identification)
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*/
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virtual void schedule(Clock::time_point tp, const Callback& cb, const void* scope = nullptr) = 0;
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/**
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* Schedule callback for later invocation
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* \param d duration from now until callback invocation
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* \param cb callback
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* \param scope associated scope pointer (used only for identification)
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*/
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virtual void schedule(Clock::duration d, const Callback& cb, const void* scope = nullptr) = 0;
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/**
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* Cancel all scheduled invocations assigned to certain scope
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* \param scope any pointer used as scope at scheduling (nullptr has no effect)
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*/
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virtual void cancel(const void* scope) = 0;
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/**
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* Get current time
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* \return current time
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*/
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virtual Clock::time_point now() const = 0;
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virtual ~Runtime() = default;
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};
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} // namespace vanetza
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#endif /* RUNTIME_HPP_KHDIEMRN */
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