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119 lines
2.1 KiB
C++
119 lines
2.1 KiB
C++
#pragma once
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namespace llarp
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{
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struct Context;
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}
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namespace llarp::sys
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{
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// what state lokinet will report we are in to the system layer
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enum class ServiceState
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{
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Initial,
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Starting,
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Running,
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Stopping,
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Stopped,
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HardStop,
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Failed,
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};
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/// interface type for interacting with the os dependant system layer
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class I_SystemLayerManager
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{
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protected:
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bool m_disable{false};
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llarp::Context* m_Context{nullptr};
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/// change our state and report it to the system layer
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virtual void
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we_changed_our_state(ServiceState st) = 0;
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public:
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virtual ~I_SystemLayerManager() = default;
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/// disable all reporting to system layer
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inline void
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disable()
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{
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m_disable = true;
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}
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/// give our current lokinet context to the system layer manager
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inline void
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give_context(llarp::Context* ctx)
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{
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m_Context = ctx;
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}
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/// system told us to enter this state
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virtual void
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system_changed_our_state(ServiceState st) = 0;
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/// report our current state to the system layer
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virtual void
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report_changed_state() = 0;
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/// report our stats on each timer tick
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virtual void
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report_periodic_stats(){};
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void
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starting()
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{
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if (m_disable)
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return;
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we_changed_our_state(ServiceState::Starting);
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}
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void
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ready()
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{
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if (m_disable)
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return;
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we_changed_our_state(ServiceState::Running);
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}
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void
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stopping()
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{
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if (m_disable)
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return;
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we_changed_our_state(ServiceState::Stopping);
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}
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void
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stopped()
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{
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if (m_disable)
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return;
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we_changed_our_state(ServiceState::Stopped);
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}
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void
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failed()
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{
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if (m_disable)
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return;
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we_changed_our_state(ServiceState::Failed);
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}
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};
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extern I_SystemLayerManager* const service_manager;
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class NOP_SystemLayerHandler : public I_SystemLayerManager
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{
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protected:
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void
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we_changed_our_state(ServiceState) override
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{}
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public:
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void
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report_changed_state() override{};
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void system_changed_our_state(ServiceState) override{};
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};
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} // namespace llarp::sys
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