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diff --git a/geofence/GeofenceAdapter.h b/geofence/GeofenceAdapter.h
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+/* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation, nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef GEOFENCE_ADAPTER_H
+#define GEOFENCE_ADAPTER_H
+
+#include <LocAdapterBase.h>
+#include <LocContext.h>
+#include <LocationAPI.h>
+#include <map>
+
+using namespace loc_core;
+
+#define COPY_IF_NOT_NULL(dest, src, len) do { \
+    if (NULL!=dest && NULL!=src) { \
+        for (size_t i=0; i<len; ++i) { \
+            dest[i] = src[i]; \
+        } \
+    } \
+} while (0)
+
+typedef struct GeofenceKey {
+    LocationAPI* client;
+    uint32_t id;
+    inline GeofenceKey() :
+        client(NULL), id(0) {}
+    inline GeofenceKey(LocationAPI* _client, uint32_t _id) :
+        client(_client), id(_id) {}
+} GeofenceKey;
+inline bool operator <(GeofenceKey const& left, GeofenceKey const& right) {
+    return left.id < right.id || (left.id == right.id && left.client < right.client);
+}
+inline bool operator ==(GeofenceKey const& left, GeofenceKey const& right) {
+    return left.id == right.id && left.client == right.client;
+}
+inline bool operator !=(GeofenceKey const& left, GeofenceKey const& right) {
+    return left.id != right.id || left.client != right.client;
+}
+typedef struct {
+    GeofenceKey key;
+    GeofenceBreachTypeMask breachMask;
+    uint32_t responsiveness;
+    uint32_t dwellTime;
+    double latitude;
+    double longitude;
+    double radius;
+    bool paused;
+} GeofenceObject;
+typedef std::map<uint32_t, GeofenceObject> GeofencesMap; //map of hwId to GeofenceObject
+typedef std::map<GeofenceKey, uint32_t> GeofenceIdMap; //map of GeofenceKey to hwId
+
+class GeofenceAdapter : public LocAdapterBase {
+
+    /* ==== GEOFENCES ====================================================================== */
+    GeofencesMap mGeofences; //map hwId to GeofenceObject
+    GeofenceIdMap mGeofenceIds; //map of GeofenceKey to hwId
+
+protected:
+
+    /* ==== CLIENT ========================================================================= */
+    virtual void updateClientsEventMask();
+    virtual void stopClientSessions(LocationAPI* client);
+
+public:
+
+    GeofenceAdapter();
+    virtual ~GeofenceAdapter() {}
+
+    /* ==== SSR ============================================================================ */
+    /* ======== EVENTS ====(Called from QMI Thread)========================================= */
+    virtual void handleEngineUpEvent();
+    /* ======== UTILITIES ================================================================== */
+    void restartGeofences();
+
+    /* ==== GEOFENCES ====================================================================== */
+    /* ======== COMMANDS ====(Called from Client Thread)==================================== */
+    uint32_t* addGeofencesCommand(LocationAPI* client, size_t count,
+                                  GeofenceOption* options, GeofenceInfo* info);
+    void removeGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids);
+    void pauseGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids);
+    void resumeGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids);
+    void modifyGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids,
+                                GeofenceOption* options);
+    /* ======== RESPONSES ================================================================== */
+    void reportResponse(LocationAPI* client, size_t count, LocationError* errs, uint32_t* ids);
+    /* ======== UTILITIES ================================================================== */
+    void saveGeofenceItem(LocationAPI* client,
+                          uint32_t clientId,
+                          uint32_t hwId,
+                          const GeofenceOption& options,
+                          const GeofenceInfo& info);
+    void removeGeofenceItem(uint32_t hwId);
+    void pauseGeofenceItem(uint32_t hwId);
+    void resumeGeofenceItem(uint32_t hwId);
+    void modifyGeofenceItem(uint32_t hwId, const GeofenceOption& options);
+    LocationError getHwIdFromClient(LocationAPI* client, uint32_t clientId, uint32_t& hwId);
+    LocationError getGeofenceKeyFromHwId(uint32_t hwId, GeofenceKey& key);
+    void dump();
+
+    /* ==== REPORTS ======================================================================== */
+    /* ======== EVENTS ====(Called from QMI Thread)========================================= */
+    void geofenceBreachEvent(size_t count, uint32_t* hwIds, Location& location,
+                             GeofenceBreachType breachType, uint64_t timestamp);
+    void geofenceStatusEvent(GeofenceStatusAvailable available);
+    /* ======== UTILITIES ================================================================== */
+    void geofenceBreach(size_t count, uint32_t* hwIds, const Location& location,
+                        GeofenceBreachType breachType, uint64_t timestamp);
+    void geofenceStatus(GeofenceStatusAvailable available);
+};
+
+#endif /* GEOFENCE_ADAPTER_H */