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-rwxr-xr-xahl-utilities/ahl-policy-utils.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/ahl-utilities/ahl-policy-utils.c b/ahl-utilities/ahl-policy-utils.c
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--- /dev/null
+++ b/ahl-utilities/ahl-policy-utils.c
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+/*
+ * Copyright (C) 2017 "Audiokinetic Inc"
+ *
+ * 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 AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+
+#include "ahl-policy-utils.h"
+#include "wrap-json.h"
+#include <json-c/json.h>
+
+void Add_Endpoint_Property_Double( json_object * io_pPropertyArray, char * in_pPropertyName, double in_dPropertyValue)
+{
+ json_object * pPropertyJ = NULL;
+ wrap_json_pack(&pPropertyJ, "{s:s,s:o}",
+ "property_name", in_pPropertyName,
+ "property_value", json_object_new_double(in_dPropertyValue)
+ );
+ json_object_array_add(io_pPropertyArray, pPropertyJ);
+}
+
+void Add_Endpoint_Property_Int( json_object * io_pPropertyArray, char * in_pPropertyName, int in_iPropertyValue)
+{
+ json_object * pPropertyJ = NULL;
+ wrap_json_pack(&pPropertyJ, "{s:s,s:o}",
+ "property_name", in_pPropertyName,
+ "property_value", json_object_new_int(in_iPropertyValue)
+ );
+ json_object_array_add(io_pPropertyArray, pPropertyJ);
+}
+
+void Add_Endpoint_Property_String( json_object * io_pPropertyArray, char * in_pPropertyName, const char * in_pPropertyValue)
+{
+ json_object * pPropertyJ = NULL;
+ wrap_json_pack(&pPropertyJ, "{s:s,s:o}",
+ "property_name", in_pPropertyName,
+ "property_value", json_object_new_string(in_pPropertyValue)
+ );
+ json_object_array_add(io_pPropertyArray, pPropertyJ);
+}
+
+int EndpointToJSON(EndPointInterfaceInfoT * pEndpoint, json_object **ppEndpointJ)
+{
+ if(ppEndpointJ == NULL || pEndpoint == NULL)
+ {
+ AFB_ERROR("Invalid EndpointToJSON arguments");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ // Create json object for Endpoint
+ int err = wrap_json_pack(ppEndpointJ, "{s:i,s:i,s:s,s:s,s:s,s:s,s:s,s:i,s:s,s:i,s:i,s:i,s:i,s:i,s:i,s:i,s?o}",
+ "endpoint_id", pEndpoint->endpointID,
+ "endpoint_type", pEndpoint->type,
+ "device_name", pEndpoint->gsDeviceName,
+ "display_name", pEndpoint->gsDisplayName,
+ "device_uri", pEndpoint->gsDeviceURI,
+ "device_domain", pEndpoint->gsDeviceDomain,
+ "audio_role",pEndpoint->pRoleName,
+ "device_uri_type", pEndpoint->deviceURIType,
+ "hal_api_name", pEndpoint->gsHALAPIName,
+ "alsa_cardNum", pEndpoint->alsaInfo.cardNum,
+ "alsa_deviceNum", pEndpoint->alsaInfo.deviceNum,
+ "alsa_subDeviceNum", pEndpoint->alsaInfo.subDeviceNum,
+ "format_samplerate", pEndpoint->format.sampleRate,
+ "format_numchannels", pEndpoint->format.numChannels,
+ "format_sampletype",pEndpoint->format.sampleType,
+ "volume", pEndpoint->iVolume,
+ "property_table", pEndpoint->pPropTableJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+ AFB_DEBUG("JSON endpoint information=%s", json_object_get_string(*ppEndpointJ));
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+
+int StreamToJSON(StreamInterfaceInfoT * pStream, json_object **ppStreamJ)
+{
+ if(pStream == NULL)
+ {
+ AFB_ERROR("Invalid arguments to StreamToJSON, stream structure is NULL");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ json_object *EndpointJ = NULL;
+ int err = EndpointToJSON(&pStream->endpoint, &EndpointJ);
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ // Create json object for stream
+ err = wrap_json_pack(ppStreamJ, "{s:i,s:i,s:i,s:s,s:i,s:i,s:o}",
+ "stream_id", pStream->streamID,
+ "stream_state", pStream->streamState,
+ "stream_mute", pStream->streamMute,
+ "role_name", pStream->pRoleName,
+ "priority", pStream->iPriority,
+ "interrupt_behavior", pStream->eInterruptBehavior,
+ "endpoint_info", EndpointJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to pack JSON Stream, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ AFB_DEBUG("JSON stream information=%s", json_object_get_string(*ppStreamJ));
+
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+
+//pEndpointInterfaceInfo must be pre-allocated by the caller
+int JSONToEndpoint(json_object *pEndpointJ, EndPointInterfaceInfoT *pEndpoint)
+{
+ if(pEndpointJ == NULL || pEndpoint == NULL)
+ {
+ AFB_ERROR("Invalid arguments for JSONToEndpoint");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ //Unpack Endpoint
+ int err = wrap_json_unpack(pEndpointJ, "{s:i,s:i,s:s,s:s,s:s,s:s,s:s,s:i,s:s,s:i,s:i,s:i,s:i,s:i,s:i,s:i,s?o}",
+ "endpoint_id", &pEndpoint->endpointID,
+ "endpoint_type", &pEndpoint->type,
+ "device_name", &pEndpoint->gsDeviceName,
+ "display_name", &pEndpoint->gsDisplayName,
+ "device_uri", &pEndpoint->gsDeviceURI,
+ "device_domain", &pEndpoint->gsDeviceDomain,
+ "audio_role", &pEndpoint->pRoleName,
+ "device_uri_type", &pEndpoint->deviceURIType,
+ "hal_api_name", &pEndpoint->gsHALAPIName,
+ "alsa_cardNum", &pEndpoint->alsaInfo.cardNum,
+ "alsa_deviceNum", &pEndpoint->alsaInfo.deviceNum,
+ "alsa_subDeviceNum", &pEndpoint->alsaInfo.subDeviceNum,
+ "format_samplerate", &pEndpoint->format.sampleRate,
+ "format_numchannels", &pEndpoint->format.numChannels,
+ "format_sampletype",&pEndpoint->format.sampleType,
+ "volume", &pEndpoint->iVolume,
+ "property_table", &pEndpoint->pPropTableJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to unpack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+
+int JSONToStream(json_object *pStreamJ, StreamInterfaceInfoT * pStream)
+{
+ if(pStreamJ == NULL || pStream == NULL)
+ {
+ AFB_ERROR("Invalid arguments for InterfaceCtxJSONToStream");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ //Unpack StreamInfo
+ json_object *pEndpointJ = NULL;
+ AFB_WARNING("json object query=%s", json_object_get_string(pStreamJ));
+ int err = wrap_json_unpack(pStreamJ, "{s:i,s:i,s:i,s:s,s:i,s:i,s:o}",
+ "stream_id", &pStream->streamID,
+ "stream_state", &pStream->streamState,
+ "stream_mute", &pStream->streamMute,
+ "role_name", &pStream->pRoleName,
+ "priority", &pStream->iPriority,
+ "interrupt_behavior", &pStream->eInterruptBehavior,
+ "endpoint_info", &pEndpointJ
+ );
+
+ if (err) {
+ AFB_ERROR("Unable to parse JSON stream information=%s", json_object_get_string(pStreamJ));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ err = JSONToEndpoint(pEndpointJ,&pStream->endpoint);
+ if (err) {
+ return AHL_POLICY_UTIL_FAIL;
+ }
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+ \ No newline at end of file