1 files changed, 94 insertions, 0 deletions
diff --git a/ahl-binding/ahl-binding.h b/ahl-binding/ahl-binding.h
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+++ b/ahl-binding/ahl-binding.h
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+/*
+ * Copyright (C) 2017 "Audiokinetic Inc"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AHL_BINDING_INCLUDE
+#define AHL_BINDING_INCLUDE
+
+#define AFB_BINDING_VERSION 2
+
+//#define AHL_DISCONNECT_POLICY // define for debugging HLB in standalone only
+
+#include <json-c/json.h>
+#include <glib.h>
+
+#include <afb/afb-binding.h>
+#include "ahl-interface.h"
+#include "ahl-policy-utils.h"
+
+
+#ifndef PUBLIC
+  #define PUBLIC
+#endif
+
+#define AHL_SUCCESS 0
+#define AHL_FAIL 1
+
+#define AHL_ACCESS_CONTROL_GRANTED 1
+#define AHL_ACCESS_CONTROL_DENIED 0
+
+#define AHL_UNDEFINED -1
+#define AHL_STR_MAX_LENGTH 256
+
+
+typedef struct RoleInfo {
+    char *              pRoleName;          // Role string identifier
+    int                 iPriority;          // Role normalized priority (0-100)
+    InterruptBehaviorT  eInterruptBehavior; // Role behavior when interrupting lower priority streams
+    GPtrArray *         pActionList;        // List of supported actions for the role (gchar*)
+    GPtrArray *         pSourceEndpoints;   // Source endpoints info (EndpointInfoT*)
+    GPtrArray *         pSinkEndpoints;     // Sink endpoints info (EndpointInfoT*)
+} RoleInfoT;
+
+// Parts of the context that are visible to the policy (for state based decisions)
+typedef struct AHLPolicyCtx {
+    GHashTable *        pRoleInfo;         // Hash table of role information structure (RoleInfoT*) accessed by role name 
+    GHashTable *        pStreams;          // List of active streams (StreamInfoT*) accessed by streamID
+    GPtrArray *         pHALList;          // List of HAL dependencies
+    // TODO: Events need to be sent directly by HLB when separation with policy complete
+    struct afb_event    propertyEvent;     // AGL event used when property changes 
+    struct afb_event    volumeEvent;       // AGL event used when volume changes
+    struct afb_event    postActionEvent;   // AGL event used on post action call
+} AHLPolicyCtxT;
+
+// Global binding context
+typedef struct AHLCtx {
+    AHLPolicyCtxT   policyCtx;
+    endpointID_t    nextSourceEndpointID;       // Counter to assign new ID
+    endpointID_t    nextSinkEndpointID;         // Counter to assign new ID
+    endpointID_t    nextStreamID;               // Counter to assign new ID
+} AHLCtxT;
+
+// Client specific binding context
+typedef struct AHLClientCtx {
+     GArray *        pStreamAccessList;           // List of streams that client has control over
+} AHLClientCtxT;
+
+// ahl-binding.c
+PUBLIC int AhlBindingInit();
+PUBLIC void AhlOnEvent(const char *evtname, json_object *eventJ);
+
+// ahl-deviceenum.c
+int  EnumerateDevices(json_object * in_jDeviceArray, char * in_pAudioRole, EndpointTypeT in_deviceType, GPtrArray * out_pEndpointArray);
+EndpointInfoT * InitEndpointInfo();
+void TermEndpointInfo( EndpointInfoT * out_pEndpointInfo );
+// ahl-config.c
+int  ParseHLBConfig();
+// ahl-policy.c
+#ifndef AHL_DISCONNECT_POLICY
+PUBLIC void audiohlapi_raise_event(json_object *EventDataJ);
+#endif
+
+#endif // AHL_BINDING_INCLUDE