VuoRuntimeState.hh

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#pragma once
 
class VuoRuntimePersistentState;
#include "VuoCompositionState.h"
 
class VuoRuntimeState
{
private:
    bool _isPaused;  
    bool hasBeenUnpaused;  
    bool _isStopped; 
    bool wasStopCompositionCalled;  
    bool continueIfRunnerDies;  
 
    pid_t runnerPid;  
 
    int terminationDisabledCount;  
    dispatch_queue_t terminationDisabledQueue;  
 
    dispatch_queue_t stopQueue;  
 
    dispatch_source_t waitForStopTimer;  
    dispatch_semaphore_t waitForStopCanceledSemaphore;  
 
 
    typedef void (*vuoSetupType)(void);
    vuoSetupType vuoSetup;
    typedef void (*vuoCleanupType)(void);
    vuoCleanupType vuoCleanup;
    typedef void (*vuoInstanceInitType)(void);
    vuoInstanceInitType vuoInstanceInit;
    typedef void (*vuoInstanceFiniType)(void);
    vuoInstanceFiniType vuoInstanceFini;
    typedef void (*vuoInstanceTriggerStartType)(void);
    vuoInstanceTriggerStartType vuoInstanceTriggerStart;
    typedef void (*vuoInstanceTriggerStopType)(void);
    vuoInstanceTriggerStopType vuoInstanceTriggerStop;
 
    bool mayBeTerminated(void);
    void stopComposition(bool isBeingReplaced, int timeoutInSeconds);
    void killProcessAfterTimeout(int timeoutInSeconds);
 
public:
    VuoRuntimePersistentState *persistentState;  
 
    VuoRuntimeState(void);
    ~VuoRuntimeState(void);
    void init(void *zmqContext, const char *controlUrl, const char *telemetryUrl, bool isPaused,
              pid_t runnerPid, int runnerPipe, bool continueIfRunnerDies, const char *workingDirectory, void *compositionBinaryHandle);
    void fini(void);
    void updateCompositionSymbols(void *compositionBinaryHandle);
    bool isPaused(void);
    bool isStopped(void);
    pid_t getRunnerPid(void);
    void disableTermination(void);
    void enableTermination(void);
 
    void startComposition(void);
    void pauseComposition(void);
    void unpauseComposition(void);
    void stopCompositionAsOrderedByRunner(bool isBeingReplaced, int timeoutInSeconds, bool isLastEverInProcess);
    void stopCompositionAsOrderedByComposition(void);
    void breakOutOfEventLoop(void);
};
 
extern "C"
{
bool vuoIsPaused(VuoCompositionState *compositionState);
}