1 files changed, 159 insertions, 0 deletions
diff --git a/libccnx-transport-rta/ccnx/api/control/cpi_ControlFacade.c b/libccnx-transport-rta/ccnx/api/control/cpi_ControlFacade.c
new file mode 100644
index 00000000..a0c2e7da
--- /dev/null
+++ b/libccnx-transport-rta/ccnx/api/control/cpi_ControlFacade.c
@@ -0,0 +1,159 @@
+/*
+ * 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(&notificationWrapper);
+
+    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");
+}