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50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
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#pragma once
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#include <wtypes.h>
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#include "../devices/ifc_deviceprovider.h"
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#include "../../Library/ml_pmp/pmp.h"
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class DeviceProvider : public ifc_deviceprovider
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{
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protected:
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DeviceProvider();
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~DeviceProvider();
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public:
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static HRESULT CreateInstance(DeviceProvider **instance);
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public:
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/* Dispatchable */
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size_t AddRef();
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size_t Release();
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int QueryInterface(GUID interface_guid, void **object);
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/* ifc_deviceprovider */
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HRESULT BeginDiscovery(api_devicemanager *manager);
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HRESULT CancelDiscovery();
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HRESULT GetActive();
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public:
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HRESULT Register(api_devicemanager *manager);
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HRESULT Unregister();
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size_t IncrementActivity();
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size_t DecrementActivity();
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private:
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void Lock();
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void Unlock();
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DWORD DiscoveryThread();
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friend static int DeviceProvider_DiscoveryThreadStarter(HANDLE handle, void *user_data, intptr_t id);
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protected:
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size_t ref;
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size_t activity;
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CRITICAL_SECTION lock;
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api_devicemanager *manager;
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ENUMDRIVES enumerator;
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HANDLE readyEvent;
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BOOL cancelDiscovery;
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protected:
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RECVS_DISPATCH;
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};
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