Remove use of a global variable for hal-manager

Remove use of a global variable for hal-manager data.

BUG-AGL: SPEC-2329

Change-Id: Ifc5a85aedb75f89a364de1411c1e12f293095550
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

3 files changed, 12 insertions, 35 deletions

diff --git a/src/4a-hal-manager/4a-hal-manager.c b/src/4a-hal-manager/4a-hal-manager.c
index 567e9eb..ce1aed5 100644
--- a/src/4a-hal-manager/4a-hal-manager.c
+++ b/src/4a-hal-manager/4a-hal-manager.c
@@ -32,9 +32,6 @@
 // Default api to print log when apihandle not available
 afb_api_t AFB_default;
 
-// Local (static) Hal manager data structure
-static struct HalMgrData localHalMgrGlobalData;
-
 /*******************************************************************************
  *		HAL Manager verbs table					       *
  ******************************************************************************/
@@ -53,16 +50,6 @@ afb_verb_t HalManagerApiStaticVerbs[] =
 };
 
 /*******************************************************************************
- *		HAL Manager get 'HalData' linked list			       *
-		from HAL list function					       *
- ******************************************************************************/
-
-struct HalData **HalMngGetHalDataList(void)
-{
-	return &localHalMgrGlobalData.halDataList;
-}
-
-/*******************************************************************************
  *		Dynamic API functions for hal manager			       *
  ******************************************************************************/
 
@@ -142,6 +129,7 @@ int HalMgrCreateApi(afb_api_t apiHandle, struct HalMgrData *halMgrData)
 
 int afbBindingEntry(afb_api_t apiHandle)
 {
+	struct HalMgrData *halMgrData;
 
 	if(! apiHandle)
 		return -1;
@@ -151,12 +139,16 @@ int afbBindingEntry(afb_api_t apiHandle)
 
 	AFB_API_NOTICE(apiHandle, "Binding start");
 
+	halMgrData = (struct HalMgrData *) calloc(1, sizeof(struct HalMgrData));
+	if(! halMgrData)
+		return -2;
+
 	// Load Hal-Manager using Api v3
-	if(HalMgrCreateApi(apiHandle, &localHalMgrGlobalData))
+	if(HalMgrCreateApi(apiHandle, halMgrData))
 		return -3;
 
 	// Load internals Hal using Api v3
-	if(InternalHalCreateAllApi(apiHandle, &localHalMgrGlobalData))
+	if(InternalHalCreateAllApi(apiHandle, halMgrData))
 		return -4;
 
 	return 0;
diff --git a/src/4a-hal-manager/4a-hal-manager.h b/src/4a-hal-manager/4a-hal-manager.h
index 4a53bdd..d5f11e5 100644
--- a/src/4a-hal-manager/4a-hal-manager.h
+++ b/src/4a-hal-manager/4a-hal-manager.h
@@ -23,7 +23,4 @@
 #define HAL_MANAGER_API_NAME "4a-hal-manager"
 #define HAL_MANAGER_API_INFO "Manager for 4A HAL APIs"
 
-// HAL Manager get 'HalData' linked list
-struct HalData **HalMngGetHalDataList(void);
-
 #endif /* _HALMGR_BINDING_INCLUDE_ */
\ No newline at end of file
diff --git a/src/4a-internals-hal/4a-internals-hal-mixer-link.c b/src/4a-internals-hal/4a-internals-hal-mixer-link.c
index 3183081..553d58e 100644
--- a/src/4a-internals-hal/4a-internals-hal-mixer-link.c
+++ b/src/4a-internals-hal/4a-internals-hal-mixer-link.c
@@ -28,8 +28,6 @@
 
 #include "4a-hal-utilities-hal-streams-handler.h"
 
-#include "../4a-hal-manager/4a-hal-manager.h"
-
 #include "4a-internals-hal-mixer-link.h"
 #include "4a-internals-hal-cb.h"
 
@@ -222,7 +220,7 @@ int InternalHalAttachToMixer(afb_api_t apiHandle)
 
 	CtlConfigT *ctrlConfig;
 
-	struct HalData *currentHalData, *concurentHalData = NULL;
+	struct HalData *currentHalData;
 
 	json_object *responseJ = NULL;
 
@@ -256,20 +254,10 @@ int InternalHalAttachToMixer(afb_api_t apiHandle)
 			break;
 	}
 
-	concurentHalData = HalUtlSearchReadyHalDataByCardId(HalMngGetHalDataList(), currentHalData->sndCardId);
-	if(concurentHalData) {
-		AFB_API_ERROR(apiHandle,
-			      "Trying to attach mixer for hal '%s' but the alsa device %i is already in use with mixer by hal '%s'",
-			      currentHalData->apiName,
-			      currentHalData->sndCardId,
-			      concurentHalData->apiName);
-		return -5;
-	}
-
 	apiToCall = currentHalData->internalHalData->mixerApiName;
 	if(! apiToCall) {
 		AFB_API_ERROR(apiHandle, "Can't get mixer api");
-		return -6;
+		return -5;
 	}
 
 	if(afb_api_call_sync(apiHandle,
@@ -285,14 +273,14 @@ int InternalHalAttachToMixer(afb_api_t apiHandle)
 			      apiToCall,
 			      returnedError ? returnedError : "not returned",
 			      returnedInfo ? returnedInfo : "not returned");
-		err = -7;
+		err = -6;
 	}
 	else if(! responseJ) {
 		AFB_API_ERROR(apiHandle,
 			      "Seems that %s call to api %s succeed but no response was returned",
 			      MIXER_ATTACH_VERB,
 			      apiToCall);
-		err = -8;
+		err = -7;
 	}
 	else {
 		mixerError = InternalHalHandleMixerAttachResponse(apiHandle, currentHalData->internalHalData, responseJ);
@@ -303,7 +291,7 @@ int InternalHalAttachToMixer(afb_api_t apiHandle)
 				      apiToCall,
 				      mixerError,
 				      json_object_get_string(responseJ));
-			err = -9;
+			err = -8;
 		}
 		else {
 			AFB_API_NOTICE(apiHandle,