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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* 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.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <LongBow/runtime.h>
#include <parc/algol/parc_Memory.h>
#include <ccnx/api/control/cpi_ControlFacade.h>
#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_TlvDictionary.h>
#include <ccnx/common/ccnx_Name.h>
static const char _NotificationIndicator[] = "notificationWrapper";
static const char _NotificationPayload[] = "notificationPayload";
// ===========================================================================================================
CCNxControl *
ccnxControlFacade_CreateCPI(PARCJSON *ccnx_json)
{
assertNotNull(ccnx_json, "Parameter ccnx_json must be non-null");
CCNxTlvDictionary *dictionary = ccnxCodecSchemaV1TlvDictionary_CreateControl();
ccnxTlvDictionary_PutJson(dictionary, CCNxCodecSchemaV1TlvDictionary_MessageFastArray_PAYLOAD, ccnx_json);
return dictionary;
}
CCNxControl *
ccnxControlFacade_CreateNotification(PARCJSON *payload)
{
assertNotNull(payload, "Parameter ccnx_json must be non-null");
CCNxTlvDictionary *dictionary = ccnxCodecSchemaV1TlvDictionary_CreateControl();
// Create a new JSON object that indicates that this is a notification. Wrap it around
// the supplied JSON object.
PARCJSON *notificationWrapper = parcJSON_Create();
parcJSON_AddBoolean(notificationWrapper, _NotificationIndicator, true);
parcJSON_AddObject(notificationWrapper, _NotificationPayload, payload);
ccnxTlvDictionary_PutJson(dictionary, CCNxCodecSchemaV1TlvDictionary_MessageFastArray_PAYLOAD, notificationWrapper);
parcJSON_Release(¬ificationWrapper);
return dictionary;
}
PARCJSON *
ccnxControlFacade_GetJson(const CCNxTlvDictionary *controlDictionary)
{
ccnxControlFacade_AssertValid(controlDictionary);
PARCJSON *controlJSON = ccnxTlvDictionary_GetJson(controlDictionary, CCNxCodecSchemaV1TlvDictionary_MessageFastArray_PAYLOAD);
if (ccnxControlFacade_IsNotification(controlDictionary)) {
PARCJSONValue *wrappedJSON = parcJSON_GetValueByName(controlJSON, _NotificationPayload);
controlJSON = parcJSONValue_GetJSON(wrappedJSON);
}
return controlJSON;
}
bool
ccnxControlFacade_IsCPI(const CCNxTlvDictionary *controlDictionary)
{
bool result = false;
ccnxControlFacade_AssertValid(controlDictionary);
result = ccnxTlvDictionary_IsControl(controlDictionary);
PARCJSON *controlJSON = ccnxTlvDictionary_GetJson(controlDictionary, CCNxCodecSchemaV1TlvDictionary_MessageFastArray_PAYLOAD);
if (controlJSON != NULL) {
if (parcJSON_GetValueByName(controlJSON, _NotificationIndicator) != NULL) {
// this is a notification
result = false;
}
}
return result;
}
bool
ccnxControlFacade_IsNotification(const CCNxTlvDictionary *controlDictionary)
{
bool result = false;
ccnxControlFacade_AssertValid(controlDictionary);
PARCJSON *controlJSON = ccnxTlvDictionary_GetJson(controlDictionary, CCNxCodecSchemaV1TlvDictionary_MessageFastArray_PAYLOAD);
if (controlJSON != NULL && (parcJSON_GetValueByName(controlJSON, _NotificationIndicator) != NULL)) {
result = true;
}
return result;
}
void
ccnxControlFacade_Display(const CCNxTlvDictionary *contentDictionary, int indentation)
{
ccnxTlvDictionary_Display(contentDictionary, indentation);
}
char *
ccnxControlFacade_ToString(const CCNxTlvDictionary *contentDictionary)
{
char *string;
char *jsonString = NULL;
PARCJSON *json = ccnxControlFacade_GetJson(contentDictionary);
if (json != NULL) {
jsonString = parcJSON_ToString(json);
}
int failure = asprintf(&string, "CCNxControl { isCPI=%s, isNotification=%s, JSON=\"%s\"}",
ccnxControlFacade_IsCPI(contentDictionary) ? "true" : "false",
ccnxControlFacade_IsNotification(contentDictionary) ? "true" : "false",
jsonString != NULL ? jsonString : "NULL");
if (jsonString) {
parcMemory_Deallocate((void **) &jsonString);
}
assertTrue(failure > -1, "Error asprintf");
char *result = parcMemory_StringDuplicate(string, strlen(string));
free(string);
return result;
}
void
ccnxControlFacade_AssertValid(const CCNxTlvDictionary *controlDictionary)
{
assertNotNull(controlDictionary, "Parameter must be a non-null CCNxControlFacade pointer");
assertTrue(ccnxTlvDictionary_IsValueJson(controlDictionary,
CCNxCodecSchemaV1TlvDictionary_MessageFastArray_PAYLOAD), "Does not have JSON payload");
assertTrue(ccnxTlvDictionary_IsControl(controlDictionary), "Does not have type set");
}
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