Migrate to newer application framework calls

Migrate from 'afb_api_call_sync_legacy' function to 'afb_api_call_sync'
function, therefore, handle function return and response json
differently from before.

Change-Id: Ia7fb42188b8d41e22db2d824459a0d10ed6d6a8e
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

4 files changed, 182 insertions, 169 deletions

diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
index 5fadd36..f814e74 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
@@ -30,7 +30,6 @@
 
 #include "4a-hal-utilities-alsa-data.h"
 #include "4a-hal-utilities-data.h"
-#include "4a-hal-utilities-appfw-responses-handler.h"
 
 #include "4a-hal-controllers-alsacore-link.h"
 #include "4a-hal-controllers-value-handler.h"
@@ -72,13 +71,11 @@ snd_ctl_elem_type_t HalCtlsMapsAlsaTypeToEnum(const char *label)
 
 int HalCtlsGetCardIdByCardPath(afb_api_t apiHandle, char *devPath)
 {
-	int cardId = -1;
+	int errorToReturn, cardId;
 
-	char *returnedStatus = NULL, *returnedInfo = NULL, *cardIdString = NULL;
+	char *returnedError = NULL, *returnedInfo = NULL, *cardIdString = NULL;
 
-	enum CallError returnedError;
-
-	json_object *toSendJ, *returnJ = NULL, *responsJ, *devidJ;
+	json_object *toSendJ, *responseJ = NULL, *devidJ;
 
 	if(! apiHandle) {
 		AFB_API_ERROR(apiHandle, "Api handle not available");
@@ -92,68 +89,83 @@ int HalCtlsGetCardIdByCardPath(afb_api_t apiHandle, char *devPath)
 
 	wrap_json_pack(&toSendJ, "{s:s}", "devpath", devPath);
 
-	if(afb_api_call_sync_legacy(apiHandle, ALSACORE_API, ALSACORE_GETINFO_VERB, toSendJ, &returnJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, ALSACORE_API, ALSACORE_GETINFO_VERB, returnJ, &returnedStatus, &returnedInfo);
-		AFB_API_WARNING(apiHandle,
-				"Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-				(int) returnedError,
-				ALSACORE_GETINFO_VERB,
-				ALSACORE_API,
-				returnedStatus ? returnedStatus : "not returned",
-				returnedInfo ? returnedInfo : "not returned");
-	}
-	else if(json_object_object_get_ex(returnJ, "response", &responsJ)) {
-		if(json_object_object_get_ex(responsJ, "devid", &devidJ) && json_object_is_type(devidJ, json_type_string)) {
-			cardIdString = (char *) json_object_get_string(devidJ);
-			if(sscanf(cardIdString, "hw:%i", &cardId) <= 0) {
-				AFB_API_WARNING(apiHandle, "Couldn't get valid devid from string: '%s'", cardIdString);
-				cardId = -2;
-			}
+	if(afb_api_call_sync(apiHandle,
+			     ALSACORE_API,
+			     ALSACORE_GETINFO_VERB,
+			     toSendJ,
+			     &responseJ,
+			     &returnedError,
+			     &returnedInfo)) {
+		AFB_API_ERROR(apiHandle,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
+			      ALSACORE_GETINFO_VERB,
+			      ALSACORE_API,
+			      returnedError ? returnedError : "not returned",
+			      returnedInfo ? returnedInfo : "not returned");
+		errorToReturn = -3;
+	}
+	else if(! responseJ) {
+		AFB_API_ERROR(apiHandle,
+			      "Seems that %s call to api %s succeed but no response was returned",
+			      ALSACORE_GETINFO_VERB,
+			      ALSACORE_API);
+		errorToReturn = -4;
+	}
+	else if(json_object_object_get_ex(responseJ, "devid", &devidJ) && json_object_is_type(devidJ, json_type_string)) {
+		cardIdString = (char *) json_object_get_string(devidJ);
+		if(sscanf(cardIdString, "hw:%i", &cardId) == 1) {
+			json_object_put(responseJ);
+			return cardId;
 		}
 		else {
-			AFB_API_WARNING(apiHandle, "Response devid is not present/valid");
+			AFB_API_WARNING(apiHandle, "Could not get valid devid from string: '%s'", cardIdString);
+			errorToReturn = -5;
 		}
 	}
+	else {
+		AFB_API_WARNING(apiHandle, "Response devid is not present/valid");
+		errorToReturn = -6;
+	}
 
-	if(returnJ)
-		json_object_put(returnJ);
+	if(responseJ)
+		json_object_put(responseJ);
 
-	return cardId;
+	free(returnedError);
+	free(returnedInfo);
+
+	return errorToReturn;
 }
 
 int HalCtlsSubscribeToAlsaCardEvent(afb_api_t apiHandle, char *cardId)
 {
 	int err = 0;
 
-	char *returnedStatus = NULL, *returnedInfo = NULL;
-
-	enum CallError returnedError;
+	char *returnedError = NULL, *returnedInfo = NULL;
 
-	json_object *subscribeQueryJ, *returnedJ = NULL, *returnedWarningJ;
+	json_object *subscribeQueryJ, *responseJ = NULL;
 
 	wrap_json_pack(&subscribeQueryJ, "{s:s}", "devid", cardId);
-	if(afb_api_call_sync_legacy(apiHandle, ALSACORE_API, ALSACORE_SUBSCRIBE_VERB, subscribeQueryJ, &returnedJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, ALSACORE_API, ALSACORE_SUBSCRIBE_VERB, returnedJ, &returnedStatus, &returnedInfo);
+	if(afb_api_call_sync(apiHandle,
+			     ALSACORE_API,
+			     ALSACORE_SUBSCRIBE_VERB,
+			     subscribeQueryJ,
+			     &responseJ,
+			     &returnedError,
+			     &returnedInfo)) {
 		AFB_API_ERROR(apiHandle,
-			      "Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-			      (int) returnedError,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
 			      ALSACORE_SUBSCRIBE_VERB,
 			      ALSACORE_API,
-			      returnedStatus ? returnedStatus : "not returned",
+			      returnedError ? returnedError : "not returned",
 			      returnedInfo ? returnedInfo : "not returned");
 		err = -1;
 	}
-	else if(! wrap_json_unpack(returnedJ, "{s:{s:o}}", "request", "info", &returnedWarningJ)) {
-		AFB_API_ERROR(apiHandle,
-			      "Warning raised during call to verb %s of %s api : '%s'",
-			      ALSACORE_SUBSCRIBE_VERB,
-			      ALSACORE_API,
-			      json_object_get_string(returnedWarningJ));
-		err = -2;
-	}
 
-	if(returnedJ)
-		json_object_put(returnedJ);
+	if(responseJ)
+		json_object_put(responseJ);
+
+	free(returnedError);
+	free(returnedInfo);
 
 	return err;
 }
@@ -162,11 +174,9 @@ int HalCtlsGetAlsaCtlInfo(afb_api_t apiHandle, char *cardId, struct CtlHalAlsaCt
 {
 	int err = 0;
 
-	char *returnedStatus = NULL, *returnedInfo = NULL;
-
-	enum CallError returnedError;
+	char *returnedError = NULL, *returnedInfo = NULL;
 
-	json_object *queryJ, *returnedJ;
+	json_object *queryJ, *responseJ = NULL;
 
 	*returnedDataJ = NULL;
 
@@ -203,30 +213,37 @@ int HalCtlsGetAlsaCtlInfo(afb_api_t apiHandle, char *cardId, struct CtlHalAlsaCt
 		return -4;
 	}
 
-	if(afb_api_call_sync_legacy(apiHandle, ALSACORE_API, ALSACORE_CTLGET_VERB, queryJ, &returnedJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, ALSACORE_API, ALSACORE_CTLGET_VERB, returnedJ, &returnedStatus, &returnedInfo);
+	if(afb_api_call_sync(apiHandle,
+			     ALSACORE_API,
+			     ALSACORE_CTLGET_VERB,
+			     queryJ,
+			     &responseJ,
+			     &returnedError,
+			     &returnedInfo)) {
 		AFB_API_ERROR(apiHandle,
-			      "Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-			      (int) returnedError,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
 			      ALSACORE_CTLGET_VERB,
 			      ALSACORE_API,
-			      returnedStatus ? returnedStatus : "not returned",
+			      returnedError ? returnedError : "not returned",
 			      returnedInfo ? returnedInfo : "not returned");
+		free(returnedError);
+		free(returnedInfo);
 		return -5;
 	}
-	else if(currentAlsaCtl->name && wrap_json_unpack(returnedJ, "{s:{s:i}}", "response", "id", &currentAlsaCtl->numid)) {
-		AFB_API_ERROR(apiHandle, "Can't find alsa control 'id' from control 'name': '%s' on device '%s'", currentAlsaCtl->name, cardId);
-		err = -6;
+	else if(! responseJ) {
+		AFB_API_ERROR(apiHandle,
+			      "Seems that %s call to api %s succeed but no response was returned",
+			      ALSACORE_CTLGET_VERB,
+			      ALSACORE_API);
+		return -6;
 	}
-	else if(! json_object_object_get_ex(returnedJ, "response", NULL)) {
-		AFB_API_ERROR(apiHandle, "Can't find alsa control 'id': %i on device '%s'", currentAlsaCtl->numid, cardId);
-		err = -7;
+	else if(currentAlsaCtl->name && wrap_json_unpack(responseJ, "{s:i}", "id", &currentAlsaCtl->numid)) {
+		AFB_API_ERROR(apiHandle, "Can't find alsa control 'id' from control 'name': '%s' on device '%s'", currentAlsaCtl->name, cardId);
+		json_object_put(responseJ);
+		return -7;
 	}
 
-	if(err)
-		json_object_put(returnedJ);
-	else
-		*returnedDataJ = returnedJ;
+	*returnedDataJ = responseJ;
 
 	return err;
 }
@@ -242,8 +259,7 @@ int HalCtlsUpdateAlsaCtlProperties(afb_api_t apiHandle, char *cardId, struct Ctl
 	}
 	// TBD JAI : get dblinear/dbminmax/... values
 	else if(wrap_json_unpack(returnedDataJ,
-				 "{s:{s:{s?:i s?:i s?:i s?:i s?:i}}}",
-				 "response",
+				 "{s:{s?:i s?:i s?:i s?:i s?:i}}",
 				 "ctl",
 				 "type", (int *) &currentAlsaCtl->alsaCtlProperties.type,
 				 "count", &currentAlsaCtl->alsaCtlProperties.count,
@@ -276,7 +292,7 @@ int HalCtlsGetAlsaCtlValues(afb_api_t apiHandle, char *cardId, struct CtlHalAlsa
 	if((err = HalCtlsGetAlsaCtlInfo(apiHandle, cardId, currentAlsaCtl, &returnedDataJ))) {
 		return err;
 	}
-	else if(wrap_json_unpack(returnedDataJ, "{s:{s:o}}", "response", "val", &returnedValuesArrayJ)) {
+	else if(wrap_json_unpack(returnedDataJ, "{s:o}", "val", &returnedValuesArrayJ)) {
 		AFB_API_ERROR(apiHandle,
 			      "Didn't succeed to get control %i values on device '%s' : '%s'",
 			      currentAlsaCtl->numid,
@@ -308,11 +324,9 @@ int HalCtlsSetAlsaCtlValue(afb_api_t apiHandle, char *cardId, int ctlId, json_ob
 {
 	int err = 0;
 
-	char *returnedStatus = NULL, *returnedInfo = NULL;
-
-	enum CallError returnedError;
+	char *returnedError = NULL, *returnedInfo = NULL;
 
-	json_object *queryJ, *returnedJ = NULL, *returnedWarningJ;
+	json_object *queryJ, *responseJ = NULL;
 
 	if(! apiHandle) {
 		AFB_API_ERROR(apiHandle, "Api handle not available");
@@ -336,28 +350,27 @@ int HalCtlsSetAlsaCtlValue(afb_api_t apiHandle, char *cardId, int ctlId, json_ob
 
 	wrap_json_pack(&queryJ, "{s:s s:{s:i s:o}}", "devid", cardId, "ctl", "id", ctlId, "val", json_object_get(valuesJ));
 
-	if(afb_api_call_sync_legacy(apiHandle, ALSACORE_API, ALSACORE_CTLSET_VERB, queryJ, &returnedJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, ALSACORE_API, ALSACORE_CTLSET_VERB, returnedJ, &returnedStatus, &returnedInfo);
+	if(afb_api_call_sync(apiHandle,
+			     ALSACORE_API,
+			     ALSACORE_CTLSET_VERB,
+			     queryJ,
+			     &responseJ,
+			     &returnedError,
+			     &returnedInfo)) {
 		AFB_API_ERROR(apiHandle,
-			      "Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-			      (int) returnedError,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
 			      ALSACORE_CTLSET_VERB,
 			      ALSACORE_API,
-			      returnedStatus ? returnedStatus : "not returned",
+			      returnedError ? returnedError : "not returned",
 			      returnedInfo ? returnedInfo : "not returned");
-		err = 1;
-	}
-	else if(! wrap_json_unpack(returnedJ, "{s:{s:o}}", "request", "info", &returnedWarningJ)) {
-		AFB_API_ERROR(apiHandle,
-			      "Warning raised during call to verb %s of %s api : '%s'",
-			      ALSACORE_CTLSET_VERB,
-			      ALSACORE_API,
-			      json_object_get_string(returnedWarningJ));
-		err = 2;
+		err = -5;
 	}
 
-	if(returnedJ)
-		json_object_put(returnedJ);
+	if(responseJ)
+		json_object_put(responseJ);
+
+	free(returnedError);
+	free(returnedInfo);
 
 	return err;
 }
@@ -366,11 +379,9 @@ int HalCtlsCreateAlsaCtl(afb_api_t apiHandle, char *cardId, struct CtlHalAlsaCtl
 {
 	int err = 0;
 
-	char *returnedStatus = NULL, *returnedInfo = NULL;
-
-	enum CallError returnedError;
+	char *returnedError = NULL, *returnedInfo = NULL;
 
-	json_object *queryJ, *returnedJ = NULL, *returnedWarningJ, *responseJ;
+	json_object *queryJ, *responseJ = NULL;
 
 	if(! apiHandle) {
 		AFB_API_ERROR(apiHandle, "Api handle not available");
@@ -392,7 +403,7 @@ int HalCtlsCreateAlsaCtl(afb_api_t apiHandle, char *cardId, struct CtlHalAlsaCtl
 		return -4;
 	}
 
-	wrap_json_pack(&queryJ, "{s:s s:{s:i s:s s:i s:i s:i s:i s:i}}",
+	wrap_json_pack(&queryJ, "{s:s s:{s:i s:s s?:i s?:i s?:i s:i s:i}}",
 				"devid", cardId,
 				"ctl",
 				"ctl", -1,
@@ -403,46 +414,44 @@ int HalCtlsCreateAlsaCtl(afb_api_t apiHandle, char *cardId, struct CtlHalAlsaCtl
 				"type", (int) alsaCtlToCreate->alsaCtlCreation->type,
 				"count", alsaCtlToCreate->alsaCtlCreation->count);
 
-	if(afb_api_call_sync_legacy(apiHandle, ALSACORE_API, ALSACORE_ADDCTL_VERB, queryJ, &returnedJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, ALSACORE_API, ALSACORE_ADDCTL_VERB, returnedJ, &returnedStatus, &returnedInfo);
+	if(afb_api_call_sync(apiHandle,
+			     ALSACORE_API,
+			     ALSACORE_ADDCTL_VERB,
+			     queryJ,
+			     &responseJ,
+			     &returnedError,
+			     &returnedInfo)) {
 		AFB_API_ERROR(apiHandle,
-			      "Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-			      (int) returnedError,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
 			      ALSACORE_GETINFO_VERB,
 			      ALSACORE_API,
-			      returnedStatus ? returnedStatus : "not returned",
+			      returnedError ? returnedError : "not returned",
 			      returnedInfo ? returnedInfo : "not returned");
 		err = -5;
 	}
-	else if(! wrap_json_unpack(returnedJ, "{s:{s:o}}", "request", "info", &returnedWarningJ)) {
+	else if(! responseJ) {
 		AFB_API_ERROR(apiHandle,
-			      "Warning raised during call to verb %s of %s api : '%s'",
-			      ALSACORE_GETINFO_VERB,
-			      ALSACORE_API,
-			      json_object_get_string(returnedWarningJ));
+			      "Seems that %s call to api %s succeed but no response was returned",
+			      ALSACORE_ADDCTL_VERB,
+			      ALSACORE_API);
 		err = -6;
 	}
-	else if(wrap_json_unpack(returnedJ, "{s:o}", "response", &responseJ)) {
-		AFB_API_ERROR(apiHandle,
-			      "Can't get response of call to verb %s of %s api : %s",
-			      ALSACORE_GETINFO_VERB,
-			      ALSACORE_API,
-			      json_object_get_string(returnedJ));
-		err = -7;
-	}
 	else if(wrap_json_unpack(responseJ, "{s:i}", "id", &alsaCtlToCreate->numid)) {
 		AFB_API_ERROR(apiHandle,
 			      "Can't get create id from %s of %s api",
 			      ALSACORE_GETINFO_VERB,
 			      ALSACORE_API);
-		err = -8;
+		err = -7;
 	}
 	else if(wrap_json_unpack(responseJ, "{s:o}", "ctl", NULL)) {
 		AFB_API_WARNING(apiHandle, "Control %s was already present but has been updated", alsaCtlToCreate->name);
 	}
 
-	if(returnedJ)
-		json_object_put(returnedJ);
+	if(responseJ)
+		json_object_put(responseJ);
+
+	free(returnedError);
+	free(returnedInfo);
 
 	return err;
 }
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
index d648103..98d8d53 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
@@ -25,7 +25,6 @@
 #include <afb/afb-binding.h>
 
 #include "4a-hal-utilities-data.h"
-#include "4a-hal-utilities-appfw-responses-handler.h"
 
 #include "4a-hal-controllers-cb.h"
 #include "4a-hal-controllers-alsacore-link.h"
@@ -487,7 +486,7 @@ json_object *HalCtlsGetJsonArrayForControls(afb_api_t apiHandle, struct CtlHalAl
 
 void HalCtlsInfo(afb_req_t request)
 {
-	char *apiToCall, *returnedStatus = NULL, *returnedInfo = NULL;
+	char *apiToCall, *returnedError = NULL, *returnedInfo = NULL;
 
 	afb_api_t apiHandle;
 	CtlConfigT *ctrlConfig;
@@ -521,17 +520,12 @@ void HalCtlsInfo(afb_req_t request)
 			return;
 		}
 
-		if(HalCtlsGetInfoFromMixer(apiHandle, apiToCall, requestJson, &toReturnJ, &returnedStatus, &returnedInfo)) {
-			if(returnedStatus && returnedInfo) {
-				afb_req_fail_f(request,
-					       "mixer_info",
-					       "Call to mixer info verb didn't succeed with status '%s' and info '%s'",
-					       returnedStatus,
-					       returnedInfo);
-			}
-			else {
-				afb_req_fail(request, "mixer_info", "Call to mixer info verb didn't succeed");
-			}
+		if(HalCtlsGetInfoFromMixer(apiHandle, apiToCall, requestJson, &toReturnJ, &returnedError, &returnedInfo)) {
+			afb_req_fail_f(request,
+				       "mixer_info",
+				       "Call to mixer info verb didn't succeed with status '%s' and info '%s'",
+				       returnedError ? returnedError : "not returned",
+				       returnedInfo ? returnedInfo : "not returned");
 			return;
 		}
 
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.c
index 1574f83..2bd85be 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.c
@@ -24,7 +24,6 @@
 
 #include <afb/afb-binding.h>
 
-#include "4a-hal-utilities-appfw-responses-handler.h"
 #include "4a-hal-utilities-data.h"
 
 #include "4a-hal-utilities-hal-streams-handler.h"
@@ -203,16 +202,14 @@ int HalCtlsAttachToMixer(afb_api_t apiHandle)
 {
 	int err = 0, mixerError;
 
-	char *apiToCall, *returnedStatus = NULL, *returnedInfo = NULL;
-
-	enum CallError returnedError;
+	char *apiToCall, *returnedError = NULL, *returnedInfo = NULL;
 
 	CtlConfigT *ctrlConfig;
 
 	struct SpecificHalData *currentCtlHalData, *concurentHalData = NULL;
 	struct SpecificHalData **firstHalData;
 
-	json_object *returnJ = NULL, *toReturnJ;
+	json_object *responseJ = NULL;
 
 	if(! apiHandle) {
 		AFB_API_ERROR(apiHandle, "Can't get current hal api handle");
@@ -257,32 +254,35 @@ int HalCtlsAttachToMixer(afb_api_t apiHandle)
 		return -6;
 	}
 
-	if(afb_api_call_sync_legacy(apiHandle, apiToCall, MIXER_ATTACH_VERB, json_object_get(currentCtlHalData->ctlHalSpecificData->halMixerJ), &returnJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, apiToCall, MIXER_ATTACH_VERB, returnJ, &returnedStatus, &returnedInfo);
+	if(afb_api_call_sync(apiHandle,
+			     apiToCall,
+			     MIXER_ATTACH_VERB,
+			     json_object_get(currentCtlHalData->ctlHalSpecificData->halMixerJ),
+			     &responseJ,
+			     &returnedError,
+			     &returnedInfo)) {
 		AFB_API_ERROR(apiHandle,
-			      "Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-			      (int) returnedError,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
 			      MIXER_ATTACH_VERB,
 			      apiToCall,
-			      returnedStatus ? returnedStatus : "not returned",
+			      returnedError ? returnedError : "not returned",
 			      returnedInfo ? returnedInfo : "not returned");
 		err = -7;
 	}
-	else if(! json_object_object_get_ex(returnJ, "response", &toReturnJ)) {
+	else if(! responseJ) {
 		AFB_API_ERROR(apiHandle,
-			      "Seems that %s call to api %s succeed, but response is not valid : '%s'",
+			      "Seems that %s call to api %s succeed but no response was returned",
 			      MIXER_ATTACH_VERB,
-			      apiToCall,
-			      json_object_get_string(returnJ));
+			      apiToCall);
 		err = -8;
 	}
-	else if((mixerError = HalCtlsHandleMixerAttachResponse(apiHandle, currentCtlHalData->ctlHalSpecificData, toReturnJ)) != (int) MIXER_NO_ERROR) {
+	else if((mixerError = HalCtlsHandleMixerAttachResponse(apiHandle, currentCtlHalData->ctlHalSpecificData, responseJ)) != (int) MIXER_NO_ERROR) {
 		AFB_API_ERROR(apiHandle,
 			      "Seems that %s call to api %s succeed but this warning was risen by response decoder : %i '%s'",
 			      MIXER_ATTACH_VERB,
 			      apiToCall,
 			      mixerError,
-			      json_object_get_string(toReturnJ));
+			      json_object_get_string(responseJ));
 		err = -9;
 	}
 	else {
@@ -290,13 +290,15 @@ int HalCtlsAttachToMixer(afb_api_t apiHandle)
 			       "Seems that %s call to api %s succeed with no warning raised : '%s'",
 			       MIXER_ATTACH_VERB,
 			       apiToCall,
-			       json_object_get_string(toReturnJ));
-
+			       json_object_get_string(responseJ));
 		currentCtlHalData->status = HAL_STATUS_READY;
 	}
 
-	if(returnJ)
-		json_object_put(returnJ);
+	if(responseJ)
+		json_object_put(responseJ);
+
+	free(returnedError);
+	free(returnedInfo);
 
 	return err;
 }
@@ -305,14 +307,10 @@ int HalCtlsGetInfoFromMixer(afb_api_t apiHandle,
 			    char *apiToCall,
 			    json_object *requestJson,
 			    json_object **toReturnJ,
-			    char **returnedStatus,
+			    char **returnedError,
 			    char **returnedInfo)
 {
-	int err = 0;
-
-	enum CallError returnedError;
-
-	json_object *returnJ, *responseJ;
+	json_object *responseJ = NULL;
 
 	if(! apiHandle) {
 		AFB_API_ERROR(apiHandle, "Can't get current hal api handle");
@@ -329,24 +327,38 @@ int HalCtlsGetInfoFromMixer(afb_api_t apiHandle,
 		return -3;
 	}
 
-	if(afb_api_call_sync_legacy(apiHandle, apiToCall, MIXER_INFO_VERB, json_object_get(requestJson), &returnJ)) {
-		returnedError = HalUtlHandleAppFwCallError(apiHandle, apiToCall, MIXER_INFO_VERB, returnJ, returnedStatus, returnedInfo);
+	if(*returnedError || *returnedInfo) {
+		AFB_API_ERROR(apiHandle, "'returnedError' and 'returnedInfo' strings should be empty and set to 'NULL'");
+		return -4;
+	}
+
+	if(*toReturnJ) {
+		AFB_API_ERROR(apiHandle, "'toReturnJ' should be empty and set to 'NULL'");
+		return -5;
+	}
+
+	if(afb_api_call_sync(apiHandle,
+			     apiToCall,
+			     MIXER_INFO_VERB,
+			     json_object_get(requestJson),
+			     &responseJ,
+			     returnedError,
+			     returnedInfo)) {
 		AFB_API_ERROR(apiHandle,
-			      "Error %i during call to verb %s of %s api with status '%s' and info '%s'",
-			      (int) returnedError,
+			      "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'",
 			      apiToCall,
 			      MIXER_INFO_VERB,
-			      *returnedStatus ? *returnedStatus : "not returned",
+			      *returnedError ? *returnedError : "not returned",
 			      *returnedInfo ? *returnedInfo : "not returned");
-		err = -4;
+		return -6;
 	}
-	else if(! json_object_object_get_ex(returnJ, "response", &responseJ)) {
+	else if(! responseJ) {
 		AFB_API_ERROR(apiHandle,
-			      "Seems that %s call to api %s succeed, but response is not valid : '%s'",
+			      "Seems that %s call to api %s succeed but no response was returned",
 			      MIXER_INFO_VERB,
-			      apiToCall,
-			      json_object_get_string(returnJ));
-		err = -5;
+			      apiToCall);
+		json_object_put(responseJ);
+		return -7;
 	}
 	else {
 		AFB_API_NOTICE(apiHandle,
@@ -354,10 +366,8 @@ int HalCtlsGetInfoFromMixer(afb_api_t apiHandle,
 			       MIXER_INFO_VERB,
 			       apiToCall,
 			       json_object_get_string(responseJ));
-
-		*toReturnJ = json_object_get(responseJ);
+		*toReturnJ = responseJ;
 	}
 
-	json_object_put(returnJ);
-	return err;
+	return 0;
 }
\ No newline at end of file
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.h b/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.h
index f7d8f83..744830c 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.h
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-mixer-link.h
@@ -64,7 +64,7 @@ int HalCtlsGetInfoFromMixer(afb_api_t apiHandle,
 			    char *apiToCall,
 			    json_object *requestJson,
 			    json_object **toReturnJ,
-			    char **returnedStatus,
+			    char **returnedError,
 			    char **returnedInfo);
 
 #endif /* _HAL_CTLS_SOFTMIXER_LINK_INCLUDE_ */
\ No newline at end of file