Turn '4a-hal-utilities' into an internal library

That way, includes will be cleaner and '4a-hal-utilities'
functions will be usable in plugin.

Change-Id: I8a2146bd4e5dd5ef449b9ba7f2b1eed4d59045d3
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

1 files changed, 147 insertions, 0 deletions

diff --git a/4a-hal-utilities/4a-hal-utilities-appfw-responses-handler.c b/4a-hal-utilities/4a-hal-utilities-appfw-responses-handler.c
new file mode 100644
index 0000000..40581ef
--- /dev/null
+++ b/4a-hal-utilities/4a-hal-utilities-appfw-responses-handler.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author Jonathan Aillet <jonathan.aillet@iot.bzh>
+ *
+ * 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.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <string.h>
+
+#include "4a-hal-utilities-appfw-responses-handler.h"
+
+/*******************************************************************************
+ *		Handle application framework response function		       *
+ ******************************************************************************/
+
+enum CallError HalUtlHandleAppFwCallError(AFB_ApiT apiHandle, char *apiCalled, char *verbCalled, json_object *callReturnJ, char **returnedStatus, char **returnedInfo)
+{
+	json_object *returnedRequestJ, *returnedStatusJ, *returnedInfoJ;
+
+	if(! apiHandle || ! apiCalled || ! verbCalled || ! callReturnJ)
+		return CALL_ERROR_INVALID_ARGS;
+
+	if(! json_object_object_get_ex(callReturnJ, "request", &returnedRequestJ)) {
+		AFB_ApiWarning(apiHandle, "Couldn't get response request object");
+		return CALL_ERROR_REQUEST_UNAVAILABLE;
+	}
+
+	if(! json_object_is_type(returnedRequestJ, json_type_object)) {
+		AFB_ApiWarning(apiHandle, "Response request object is not valid");
+		return CALL_ERROR_REQUEST_NOT_VALID;
+	}
+
+	if(! json_object_object_get_ex(returnedRequestJ, "status", &returnedStatusJ)) {
+		AFB_ApiWarning(apiHandle, "Couldn't get response status object");
+		return CALL_ERROR_REQUEST_STATUS_UNAVAILABLE;
+	}
+
+	if(! json_object_is_type(returnedStatusJ, json_type_string)) {
+		AFB_ApiWarning(apiHandle, "Response status object is not valid");
+		return CALL_ERROR_REQUEST_STATUS_NOT_VALID;
+	}
+
+	*returnedStatus = (char *) json_object_get_string(returnedStatusJ);
+
+	if(! strcmp(*returnedStatus, "unknown-api")) {
+		AFB_ApiWarning(apiHandle, "Api %s not found", apiCalled);
+		return CALL_ERROR_API_UNAVAILABLE;
+	}
+
+	if(! strcmp(*returnedStatus, "unknown-verb")) {
+		AFB_ApiWarning(apiHandle, "Verb %s of api %s not found", verbCalled, apiCalled);
+		return CALL_ERROR_VERB_UNAVAILABLE;
+	}
+
+	if(! json_object_object_get_ex(returnedRequestJ, "info", &returnedInfoJ)) {
+		AFB_ApiWarning(apiHandle, "Couldn't get response info object");
+		return CALL_ERROR_REQUEST_INFO_UNAVAILABLE;
+	}
+
+	if(! json_object_is_type(returnedInfoJ, json_type_string)) {
+		AFB_ApiWarning(apiHandle, "Response info object is not valid");
+		return CALL_ERROR_REQUEST_INFO_NOT_VALID;
+	}
+
+	*returnedInfo = (char *) json_object_get_string(returnedInfoJ);
+
+	AFB_ApiWarning(apiHandle,
+		       "Api %s and verb %s found, but this error was raised : '%s' with this info : '%s'",
+		       apiCalled,
+		       verbCalled,
+		       *returnedStatus,
+		       *returnedInfo);
+
+	return CALL_ERROR_RETURNED;
+}
+
+void HalUtlHandleAppFwCallErrorInRequest(AFB_ReqT request, char *apiCalled, char *verbCalled, json_object *callReturnJ, char *errorStatusToSend)
+{
+	char *returnedStatus = NULL, *returnedInfo = NULL;
+
+	AFB_ApiT apiHandle;
+
+	if(! request || ! apiCalled || ! verbCalled || ! callReturnJ) {
+		AFB_ReqFailF(request, "invalid_args", "Invalid arguments");
+		return;
+	}
+
+	apiHandle = (AFB_ApiT) AFB_ReqGetApi(request);
+	if(! apiHandle) {
+		AFB_ReqFailF(request, "api_handle", "Can't get hal manager api handle");
+		return;
+	}
+
+	switch(HalUtlHandleAppFwCallError(apiHandle, apiCalled, verbCalled, callReturnJ, &returnedStatus, &returnedInfo)) {
+		case CALL_ERROR_REQUEST_UNAVAILABLE:
+		case CALL_ERROR_REQUEST_NOT_VALID:
+		case CALL_ERROR_REQUEST_STATUS_UNAVAILABLE:
+		case CALL_ERROR_REQUEST_STATUS_NOT_VALID:
+		case CALL_ERROR_REQUEST_INFO_UNAVAILABLE:
+		case CALL_ERROR_REQUEST_INFO_NOT_VALID:
+			AFB_ReqFail(request, errorStatusToSend, "Error with response object");
+			return;
+
+		case CALL_ERROR_API_UNAVAILABLE:
+			AFB_ReqFailF(request, errorStatusToSend, "Api %s not found", apiCalled);
+			return;
+
+		case CALL_ERROR_VERB_UNAVAILABLE:
+			AFB_ReqFailF(request, errorStatusToSend, "Verb %s of api %s not found", verbCalled, apiCalled);
+			return;
+
+		case CALL_ERROR_RETURNED:
+			AFB_ReqFailF(request,
+				     errorStatusToSend,
+				     "Api %s and verb %s found, but this error was raised : '%s' with this info : '%s'",
+				     apiCalled,
+				     verbCalled,
+				     returnedStatus ? returnedStatus : "not returned",
+				     returnedInfo ? returnedInfo : "not returned");
+			return;
+
+		case CALL_ERROR_INVALID_ARGS:
+			AFB_ReqFailF(request,
+				     errorStatusToSend,
+				     "Api %s and verb %s found, but the arguments are invalid",
+				     apiCalled,
+				     verbCalled);
+			return;
+
+		default:
+			AFB_ReqFailF(request, errorStatusToSend, "Unknown error happened during call to verb %s of api %s", verbCalled, apiCalled);
+			return;
+	}
+}
\ No newline at end of file