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Diffstat (limited to 'src/ahl-policy.c')
| -rw-r--r-- | src/ahl-policy.c | 1108 |
1 files changed, 0 insertions, 1108 deletions
diff --git a/src/ahl-policy.c b/src/ahl-policy.c deleted file mode 100644 index 54634ff..0000000 --- a/src/ahl-policy.c +++ /dev/null @@ -1,1108 +0,0 @@ -/* - * 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 _GNU_SOURCE -#include <stdio.h> -#include <string.h> -#include <stdbool.h> -#include "wrap-json.h" -#include "ahl-policy-utils.h" -#include "ahl-interface.h" -#include "ahl-policy.h" - -#ifndef AHL_DISCONNECT_POLICY - -// Global Context -PolicyLocalCtxT g_PolicyCtx; - - -// Helper Functions -static int getStreamConfig(char *pAudioRole, StreamConfigT *pStreamConfig) -{ - if(pAudioRole == NULL || pStreamConfig==NULL) - { - return POLICY_FAIL; - } - - if ( strcasecmp(pAudioRole,AHL_ROLE_WARNING) == 0 ) - { - pStreamConfig->iNbMaxStream = 4; - pStreamConfig->iVolumeInit = 80; - pStreamConfig->iVolumeDuckValue = 0; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_GUIDANCE) == 0 ) - { - pStreamConfig->iNbMaxStream = 10; - pStreamConfig->iVolumeInit = 70; - pStreamConfig->iVolumeDuckValue = 30; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_NOTIFICATION) == 0 ) - { - pStreamConfig->iNbMaxStream = 4; - pStreamConfig->iVolumeInit = 80; - pStreamConfig->iVolumeDuckValue = 10; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_COMMUNICATION) == 0 ) - { - pStreamConfig->iNbMaxStream = 10; - pStreamConfig->iVolumeInit = 70; - pStreamConfig->iVolumeDuckValue = 10; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_ENTERTAINMENT) == 0 ) - { - pStreamConfig->iNbMaxStream = MAX_ACTIVE_STREAM_POLICY; - pStreamConfig->iVolumeInit = 60; - pStreamConfig->iVolumeDuckValue = 40; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_SYSTEM) == 0 ) - { - pStreamConfig->iNbMaxStream = 2; - pStreamConfig->iVolumeInit = 100; - pStreamConfig->iVolumeDuckValue = 0; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_STARTUP) == 0 ) - { - pStreamConfig->iNbMaxStream = 1; - pStreamConfig->iVolumeInit = 90; - pStreamConfig->iVolumeDuckValue = 0; - } - else if ( strcasecmp(pAudioRole,AHL_ROLE_SHUTDOWN) == 0 ) - { - pStreamConfig->iNbMaxStream = 1; - pStreamConfig->iVolumeInit = 90; - pStreamConfig->iVolumeDuckValue = 0; - } - return POLICY_SUCCESS; -} - -static int PolicySetVolume(int iEndpointID, int iEndpointType, char *pHalApiName, char *AudioRole, DeviceURITypeT deviceType, int iVolume, bool bMute) -{ - if(pHalApiName == NULL) - { - AFB_WARNING("SetVolume cannot be accomplished without proper HAL association"); - return POLICY_FAIL; - } - - if(AudioRole == NULL) - { - AFB_ERROR("Invalid AudioRole : %s",AudioRole); - return POLICY_FAIL; - } - - // Using audio role available from endpoint to target the right HAL control (build string based on convention) - GString * gsHALControlName = NULL; - switch(deviceType) - { - case DEVICEURITYPE_ALSA_HW: - gsHALControlName = g_string_new("Master_Playback_Volume"); - break; - case DEVICEURITYPE_ALSA_DMIX: - case DEVICEURITYPE_ALSA_DSNOOP: - case DEVICEURITYPE_ALSA_PLUG: - case DEVICEURITYPE_ALSA_SOFTVOL: - gsHALControlName = g_string_new(AudioRole); - if(bMute == false) - { - AFB_DEBUG("Using ramp"); - g_string_append(gsHALControlName,"_Ramp"); - } - else - { - AFB_DEBUG("Not using ramp"); - g_string_append(gsHALControlName,"_Vol"); // no ramping - } - break; - default: - //Set volume to zero for display purpose only. - //Not support yet - AFB_WARNING("Device Type %i is not support and can't set volume on HalName %s",deviceType, pHalApiName); - return POLICY_FAIL; - break; - } - - // Set endpoint volume using HAL services (leveraging ramps etc.) - json_object *j_response, *j_query = NULL; - - // Package query - int err = wrap_json_pack(&j_query,"{s:s,s:i}","label",gsHALControlName->str, "val",iVolume); - if (err) - { - AFB_ERROR("Invalid query for HAL ctlset: %s with errorcode: %i",json_object_to_json_string(j_query), err); - return POLICY_FAIL; - } - - //TODO implement Volume limitation based on policy - - // Set the volume using the HAL - err = afb_service_call_sync(pHalApiName, "ctlset", j_query, &j_response); - if (err) - { - AFB_ERROR("Could not ctlset on HAL: %s with errorcode: %i",pHalApiName, err); - return POLICY_FAIL; - } - AFB_DEBUG("HAL ctlset response=%s", json_object_to_json_string(j_response)); - - if (bMute == false) { - // Package event data - json_object * eventDataJ = NULL; - err = wrap_json_pack(&eventDataJ,"{s:s,s:i,s:i,s:i,s:s}","event_name", AHL_ENDPOINT_VOLUME_EVENT,"endpoint_id", iEndpointID, "endpoint_type", iEndpointType,"value",iVolume, "audio_role", AudioRole); - if (err) - { - AFB_ERROR("Invalid event data for volume event %s with errorcode: %i",json_object_to_json_string(eventDataJ), err); - return POLICY_FAIL; - } - - audiohlapi_raise_event(eventDataJ); - } - - return POLICY_SUCCESS; -} - -static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName, char *AudioRole, DeviceURITypeT deviceType, int *pVolume) -{ - GString * gsHALControlName = NULL; - - // Using audio role available from endpoint to target the right HAL control (build string based on convention) - switch(deviceType) - { - case DEVICEURITYPE_ALSA_HW: - gsHALControlName = g_string_new("Master_Playback_Volume"); - break; - case DEVICEURITYPE_ALSA_DMIX: - case DEVICEURITYPE_ALSA_DSNOOP: - case DEVICEURITYPE_ALSA_PLUG: - case DEVICEURITYPE_ALSA_SOFTVOL: - gsHALControlName = g_string_new(AudioRole); - g_string_append(gsHALControlName,"_Vol"); // Or _Vol for direct control (no ramping) - break; - default: - // Set volume to zero for display purpose only. - // Not supported yet - *pVolume = 0; - AFB_WARNING("Can't get volume on HAL: %s for device type: %d",pHalApiName,deviceType); - return POLICY_FAIL; - } - - // Set endpoint volume using HAL services (leveraging ramps etc.) - json_object *j_response = NULL, *j_query = NULL; - - // Package query - int err = wrap_json_pack(&j_query,"{s:s}","label",gsHALControlName->str); - if (err) - { - AFB_WARNING("Invalid query for HAL ctlset: %s, errorcode: %i",json_object_to_json_string(j_query),err); - return POLICY_FAIL; - } - - //TODO implement Volume limitation based on policy - - // Get the volume using the HAL - err = afb_service_call_sync(pHalApiName, "ctlget", j_query, &j_response); - if (err) - { - AFB_WARNING("Could not ctlset on HAL: %s, errorcode: %i",pHalApiName, err); - return POLICY_FAIL; - } - AFB_DEBUG("HAL ctlget response=%s", json_object_to_json_string(j_response)); - - // Parse response - json_object * jRespObj = NULL; - json_object_object_get_ex(j_response, "response", &jRespObj); - json_object * jVal = NULL; - int val1 = 0, val2 = 0; // Why 2 values? - - json_object_object_get_ex(jRespObj, "val", &jVal); - int nbElement = json_object_array_length(jVal); - if(nbElement == 2) - { - err = wrap_json_unpack(jVal, "[ii]", &val1, &val2); - if (err) { - AFB_ERROR("Volume retrieve failed Could not retrieve volume value -> %s", json_object_get_string(jVal)); - return POLICY_FAIL; - } - - } - else - { - err = wrap_json_unpack(jVal, "[i]", &val1); - if (err) { - AFB_ERROR("Volume retrieve failed Could not retrieve volume value -> %s", json_object_get_string(jVal)); - return POLICY_FAIL; - } - - } - - *pVolume = val1; - - // Package event data - json_object * eventDataJ = NULL; - err = wrap_json_pack(&eventDataJ,"{s:s,s:i,s:i,s:i,s:s}","event_name", AHL_ENDPOINT_VOLUME_EVENT,"endpoint_id", iEndpointID, "endpoint_type", iEndpointType,"value",*pVolume, "audio_role", AudioRole); - if (err) - { - AFB_ERROR("Invalid event data for volume event %s with errorcode: %i",json_object_to_json_string(eventDataJ), err); - return POLICY_FAIL; - } - - audiohlapi_raise_event(eventDataJ); - - return POLICY_SUCCESS; -} - -static void PolicyPostStateEvent(int iStreamID, StreamEventT eventState) -{ - - json_object * eventDataJ = NULL; - int err = wrap_json_pack(&eventDataJ,"{s:s,s:i,s:i}","event_name", AHL_STREAM_STATE_EVENT,"stream_id",iStreamID, "state_event",eventState); - if (err) - { - AFB_ERROR("Invalid event data for stream state event: %s",json_object_to_json_string(eventDataJ)); - } - else - { - audiohlapi_raise_event(eventDataJ); - } -} - -static EndPointPolicyInfoT *PolicySearchEndPoint(EndpointTypeT type, char *pDeviceName) -{ - GArray *pcurEndpointArray = NULL; - - if(type==ENDPOINTTYPE_SINK) - { - pcurEndpointArray = g_PolicyCtx.pSinkEndpoints; - } - else - { - pcurEndpointArray = g_PolicyCtx.pSourceEndpoints; - } - - for(int i=0; i<pcurEndpointArray->len; i++) - { - EndPointPolicyInfoT * pCurEndpoint = &g_array_index(pcurEndpointArray,EndPointPolicyInfoT,i); - - if(strcasecmp(pCurEndpoint->pDeviceName,pDeviceName)==0) - { - return pCurEndpoint; - } - } - - return NULL; -} - - -static int PolicyAddEndPoint(StreamInfoT *pStreamInfo) -{ - EndPointPolicyInfoT *pPolicyEndPoint = PolicySearchEndPoint(pStreamInfo->pEndpointInfo->type, pStreamInfo->pEndpointInfo->gsDeviceName); - if(pPolicyEndPoint == NULL) - { - //create EndPoint and add playing stream - EndPointPolicyInfoT newEndPointPolicyInfo; - newEndPointPolicyInfo.endpointID = pStreamInfo->pEndpointInfo->endpointID; - newEndPointPolicyInfo.type = pStreamInfo->pEndpointInfo->type; - newEndPointPolicyInfo.deviceType = pStreamInfo->pEndpointInfo->deviceURIType; - newEndPointPolicyInfo.pDeviceName = strdup(pStreamInfo->pEndpointInfo->gsDeviceName); - newEndPointPolicyInfo.pHalApiName = strdup(pStreamInfo->pEndpointInfo->gsHALAPIName); - newEndPointPolicyInfo.iVolume = pStreamInfo->pEndpointInfo->iVolume; - newEndPointPolicyInfo.streamInfo = g_array_new(FALSE, TRUE, sizeof(StreamPolicyInfoT));; - - if(pStreamInfo->pEndpointInfo->type == ENDPOINTTYPE_SINK) - { - g_array_append_val(g_PolicyCtx.pSinkEndpoints, newEndPointPolicyInfo); - } - else - { - g_array_append_val(g_PolicyCtx.pSourceEndpoints, newEndPointPolicyInfo); - } - - } - return POLICY_SUCCESS; -} - - -static int PolicyAddStream(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT *pStreamInfo) -{ - StreamPolicyInfoT newStreamPolicyInfo; - - newStreamPolicyInfo.streamID = pStreamInfo->streamID; - newStreamPolicyInfo.RolePriority = pStreamInfo->iPriority; - newStreamPolicyInfo.pAudioRole = pStreamInfo->pRoleName; - newStreamPolicyInfo.interruptBehavior = pStreamInfo->eInterruptBehavior; - newStreamPolicyInfo.iDuckVolume = 0; - g_array_append_val(pCurrEndPointPolicy->streamInfo, newStreamPolicyInfo); - return POLICY_SUCCESS; -} - -static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,StreamInfoT * pStreamInfo) -{ - int err=0; - if(pCurrEndPointPolicy == NULL || pCurrEndPointPolicy->streamInfo->len == 0) - { - //Remove endpoint - AFB_ERROR("StreamID not found in active Endpoint when Running to Idle transition is request"); - return POLICY_FAIL; - } - //Search for the matching stream - for(int i=0; i<pCurrEndPointPolicy->streamInfo->len; i++) - { - StreamPolicyInfoT currentPolicyStreamInfo = g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,i); - if(currentPolicyStreamInfo.streamID == pStreamInfo->streamID) - { - //remove the current stream - g_array_remove_index(pCurrEndPointPolicy->streamInfo, i); - if(pCurrEndPointPolicy->streamInfo->len > 0) //need to unduck - { - //check the last element(Akways highest priority) - StreamPolicyInfoT HighPriorityStreamInfo = g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,pCurrEndPointPolicy->streamInfo->len-1); - switch(currentPolicyStreamInfo.interruptBehavior) - { - case INTERRUPTBEHAVIOR_CONTINUE: - //unduck and set Volume back to original value - err= PolicySetVolume(pCurrEndPointPolicy->endpointID, - pCurrEndPointPolicy->type, - pCurrEndPointPolicy->pHalApiName, - HighPriorityStreamInfo.pAudioRole, - pCurrEndPointPolicy->deviceType, - HighPriorityStreamInfo.iDuckVolume, - false); - if(err) - { - return POLICY_FAIL; - } - - return POLICY_SUCCESS; - break; - case INTERRUPTBEHAVIOR_PAUSE: - //pInterruptStreamInfo->streamState = STREAM_STATE_RUNNING; - PolicyPostStateEvent(HighPriorityStreamInfo.streamID,STREAM_EVENT_RESUME); - return POLICY_SUCCESS; - break; - - case INTERRUPTBEHAVIOR_CANCEL: - PolicyPostStateEvent(HighPriorityStreamInfo.streamID,STREAM_EVENT_START); - return POLICY_SUCCESS; - break; - default: - AFB_ERROR("Unsupported Intterupt Behavior"); - return POLICY_FAIL; - break; - } - } - } - } - return POLICY_SUCCESS; -} - -static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT * pStreamInfo) -{ - int err=0; - if(pCurrEndPointPolicy->streamInfo == NULL) - { - AFB_ERROR("pCurrEndPointPolicy->streamInfo is null on an active endpoint"); - return POLICY_FAIL; - } - - if(pCurrEndPointPolicy->streamInfo->len == 0) //No stream is playing on this endpoint - { - PolicyAddStream(pCurrEndPointPolicy, pStreamInfo); - } - else //Interrupt case - { - //check the last element - StreamPolicyInfoT *pCurrentActiveStreamInfo = &g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,pCurrEndPointPolicy->streamInfo->len-1); - g_assert_nonnull(pCurrentActiveStreamInfo); - if(pStreamInfo->iPriority >= pCurrentActiveStreamInfo->RolePriority) - { - switch(pStreamInfo->eInterruptBehavior) - { - case INTERRUPTBEHAVIOR_CONTINUE: - //Save the current Volume and set the docking volume - pCurrentActiveStreamInfo->iDuckVolume = pStreamInfo->pEndpointInfo->iVolume; - StreamConfigT StreamConfig; - err = getStreamConfig(pStreamInfo->pRoleName, &StreamConfig); - if(err == POLICY_FAIL) - { - AFB_ERROR("Error getting stream configuration for audiorole: %s", pStreamInfo->pRoleName); - return POLICY_FAIL; - } - err= PolicySetVolume(pCurrEndPointPolicy->endpointID, - pCurrEndPointPolicy->type, - pCurrEndPointPolicy->pHalApiName, - pCurrentActiveStreamInfo->pAudioRole, - pCurrEndPointPolicy->deviceType, - StreamConfig.iVolumeDuckValue, - false); - if(err) - { - AFB_ERROR("Set Volume return with errorcode%i for streamID: %i and Hal:%s", err, pCurrentActiveStreamInfo->streamID, pCurrEndPointPolicy->pHalApiName); - return POLICY_FAIL; - } - break; - case INTERRUPTBEHAVIOR_PAUSE: - PolicyPostStateEvent(pCurrentActiveStreamInfo->streamID,STREAM_EVENT_PAUSE); - break; - - case INTERRUPTBEHAVIOR_CANCEL: - PolicyPostStateEvent(pCurrentActiveStreamInfo->streamID,STREAM_EVENT_STOP); - g_array_remove_index(pCurrEndPointPolicy->streamInfo, pCurrEndPointPolicy->streamInfo->len-1); - break; - default: - AFB_ERROR("Unsupported Intterupt Behavior"); - return AHL_POLICY_REJECT; - break; - - } - - //Add the playing stream at last - PolicyAddStream(pCurrEndPointPolicy, pStreamInfo); - } - else - { - //Higher Priority Stream is playing - AFB_ERROR("Higher Priority Stream is playing"); - return POLICY_FAIL; - } - - - } - - return POLICY_SUCCESS; -} - -static void PolicySpeedModify(int speed) -{ - - for(int i=0; i<g_PolicyCtx.pSinkEndpoints->len; i++) - { - EndPointPolicyInfoT * pCurEndpoint = &g_array_index(g_PolicyCtx.pSinkEndpoints,EndPointPolicyInfoT,i); - if(pCurEndpoint == NULL) - { - AFB_WARNING("Sink Endpoint not found"); - return; - } - - //check if active - if(pCurEndpoint->streamInfo->len > 0 ) - { - StreamPolicyInfoT * pCurStream = &g_array_index(pCurEndpoint->streamInfo,StreamPolicyInfoT,pCurEndpoint->streamInfo->len-1); - if(strcasecmp(pCurStream->pAudioRole,AHL_ROLE_ENTERTAINMENT)==0) - { - if(speed > 30 && speed < 100) - { - int volume =speed; - PolicySetVolume(pCurEndpoint->endpointID, - pCurEndpoint->type, - pCurEndpoint->pHalApiName, - pCurStream->pAudioRole, - pCurEndpoint->deviceType, - volume, - false); - } - } - } - } -} - -static int RetrieveAssociatedHALAPIName(EndpointInfoT * io_pEndpointInfo) -{ - if(g_PolicyCtx.pHALList) - { - for(int i=0; i<g_PolicyCtx.pHALList->len; i++) - { - HalInfoT *pHalInfo = g_ptr_array_index(g_PolicyCtx.pHALList, i); - // Retrieve card number (e.g. hw:0) - int iCardNum = atoi(pHalInfo->pDevID+3); - if (iCardNum == io_pEndpointInfo->alsaInfo.cardNum) { - io_pEndpointInfo->gsHALAPIName=strdup(pHalInfo->pAPIName); - io_pEndpointInfo->gsDisplayName=strdup(pHalInfo->pDisplayName); - return POLICY_SUCCESS; - } - } - } - - io_pEndpointInfo->gsHALAPIName=strdup(AHL_POLICY_UNDEFINED_HALNAME); - io_pEndpointInfo->gsDisplayName=strdup(AHL_POLICY_UNDEFINED_DISPLAYNAME); - - return POLICY_FAIL; -} - -static int GetHALList(void) -{ - json_object *j_response, *j_query = NULL; - int err; - err = afb_service_call_sync("alsacore", "hallist", j_query, &j_response); - if (err) { - AFB_ERROR("Could not retrieve list of HAL from ALSA core"); - return POLICY_FAIL; - } - AFB_DEBUG("ALSAcore hallist response=%s", json_object_to_json_string(j_response)); - - // Look through returned list for matching card - json_object * jRespObj = NULL; - json_object_object_get_ex(j_response, "response", &jRespObj); - int iNumHAL = json_object_array_length(jRespObj); - for ( int i = 0 ; i < iNumHAL; i++) - { - json_object * jHAL = json_object_array_get_idx(jRespObj,i); - char * pDevIDStr = NULL; - char * pAPIName = NULL; - char * pShortName = NULL; - - int err = wrap_json_unpack(jHAL, "{s:s,s:s,s:s}", "devid", &pDevIDStr,"api", &pAPIName,"shortname",&pShortName); - if (err) { - AFB_ERROR("Could not retrieve devid string=%s", json_object_get_string(jHAL)); - return POLICY_FAIL; - } - - HalInfoT *pHalInfo = (HalInfoT*)malloc(sizeof(HalInfoT)); - if(pHalInfo == NULL) - { - AFB_ERROR("Unable to allocate memory for HalInfo"); - return POLICY_FAIL; - } - - pHalInfo->pDevID = strdup(pDevIDStr); - pHalInfo->pAPIName = strdup(pAPIName); - pHalInfo->pDisplayName = strdup(pShortName); - - g_ptr_array_add( g_PolicyCtx.pHALList, pHalInfo); - } - - return POLICY_SUCCESS; -} - -// -// Policy API Functions -// -int Policy_OpenStream(json_object *pPolicyStreamJ) -{ - StreamInfoT PolicyStream; - EndpointInfoT EndpointInfo; - PolicyStream.pEndpointInfo =&EndpointInfo; - - int err = PolicyCtxJSONToStream(pPolicyStreamJ, &PolicyStream); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - // Example rule -> when system is in shutdown or low power mode, no audio stream can be opened (return AHL_POLICY_REJECT) - // Should receive event from lower level layer - if(g_PolicyCtx.systemState != SYSTEM_NORMAL) - { - return AHL_POLICY_REJECT; - } - - StreamConfigT StreamConfig; - err = getStreamConfig(PolicyStream.pRoleName, &StreamConfig); - if(err == POLICY_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - if(PolicyStream.pEndpointInfo->deviceURIType != DEVICEURITYPE_NOT_ALSA) { - err=PolicyGetVolume(PolicyStream.pEndpointInfo->endpointID, - PolicyStream.pEndpointInfo->type, - PolicyStream.pEndpointInfo->gsHALAPIName, - PolicyStream.pEndpointInfo->pRoleName, - PolicyStream.pEndpointInfo->deviceURIType, - &PolicyStream.pEndpointInfo->iVolume); - if(err == POLICY_FAIL) - { - return AHL_POLICY_REJECT; - } - } - - err = PolicyAddEndPoint(&PolicyStream); - if(err == POLICY_FAIL) - { - return AHL_POLICY_REJECT; - } - return AHL_POLICY_ACCEPT; -} - -int Policy_CloseStream(json_object *pPolicyStreamJ) -{ - //TODO remove Endpoint when there is no stream - StreamInfoT PolicyStream; - EndpointInfoT EndpointInfo; - PolicyStream.pEndpointInfo =&EndpointInfo; - int err = PolicyCtxJSONToStream(pPolicyStreamJ, &PolicyStream); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - return AHL_POLICY_ACCEPT; -} - -int Policy_SetStreamState(json_object *pPolicyStreamJ) -{ - //TODO - // Optional: Mute endpoint before activation, unmute afterwards (after a delay?) to avoid noises - StreamInfoT PolicyStream; - EndpointInfoT EndpointInfo; - PolicyStream.pEndpointInfo =&EndpointInfo; - - - StreamStateT streamState = 0; - StreamInfoT * pPolicyStream = &PolicyStream; - int err = PolicyCtxJSONToStream(pPolicyStreamJ, pPolicyStream); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - json_object *streamStateJ=NULL; - - if(!json_object_object_get_ex(pPolicyStreamJ, "arg_stream_state", &streamStateJ)) - { - return AHL_POLICY_ACCEPT; - } - streamState = (StreamStateT)json_object_get_int(streamStateJ); - - //Change of state - if(pPolicyStream->streamState != streamState) - { - //seach corresponding endpoint and gather information on it - EndPointPolicyInfoT *pCurrEndPointPolicy = PolicySearchEndPoint(pPolicyStream->pEndpointInfo->type , pPolicyStream->pEndpointInfo->gsDeviceName); - - switch(pPolicyStream->streamState) - { - case STREAM_STATE_IDLE: - switch(streamState) - { - case STREAM_STATE_RUNNING: - err = PolicyIdleRunningTransition(pCurrEndPointPolicy, pPolicyStream); - if(err) - { - return AHL_POLICY_REJECT; - } - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_START); - break; - case STREAM_STATE_PAUSED: - err = PolicyIdleRunningTransition(pCurrEndPointPolicy, pPolicyStream); - if(err) - { - return AHL_POLICY_REJECT; - } - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_PAUSE); - break; - default: - return AHL_POLICY_REJECT; - break; - } - break; - case STREAM_STATE_RUNNING: - switch(streamState) - { - case STREAM_STATE_IDLE: - err = PolicyRunningIdleTransition(pCurrEndPointPolicy, pPolicyStream); - if(err) - { - return AHL_POLICY_REJECT; - } - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_STOP); - break; - case STREAM_STATE_PAUSED: - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_PAUSE); - break; - default: - return AHL_POLICY_REJECT; - break; - } - break; - case STREAM_STATE_PAUSED: - switch(streamState) - { - case STREAM_STATE_IDLE: - err = PolicyRunningIdleTransition(pCurrEndPointPolicy, pPolicyStream); - if(err) - { - return AHL_POLICY_REJECT; - } - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_STOP); - break; - case STREAM_STATE_RUNNING: - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_RESUME); - break; - default: - return AHL_POLICY_REJECT; - break; - } - break; - default: - return AHL_POLICY_REJECT; - break; - } - } - return AHL_POLICY_ACCEPT; -} - -int Policy_SetStreamMute(json_object *pPolicyStreamJ) -{ - StreamMuteT streamMute = 0; - StreamInfoT PolicyStream; - EndpointInfoT EndpointInfo; - PolicyStream.pEndpointInfo =&EndpointInfo; - StreamInfoT * pPolicyStream = &PolicyStream; - - int err = PolicyCtxJSONToStream(pPolicyStreamJ, pPolicyStream); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - json_object *streamMuteJ=NULL; - - if(!json_object_object_get_ex(pPolicyStreamJ, "mute_state", &streamMuteJ)) - { - return AHL_POLICY_ACCEPT; - } - streamMute = (StreamMuteT)json_object_get_int(streamMuteJ); - - if(streamMute != pPolicyStream->streamMute) - { - if(streamMute == STREAM_MUTED) - { - - err= PolicySetVolume(pPolicyStream->pEndpointInfo->endpointID, - pPolicyStream->pEndpointInfo->type, - pPolicyStream->pEndpointInfo->gsHALAPIName, - pPolicyStream->pRoleName, - pPolicyStream->pEndpointInfo->deviceURIType, - 0, - true); - if(err) - { - AFB_ERROR("StreamID:%i Set Volume return with errorcode%i",pPolicyStream->streamID, err); - return AHL_POLICY_REJECT; - } - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_MUTED); - } - else - { - err= PolicySetVolume(pPolicyStream->pEndpointInfo->endpointID, - pPolicyStream->pEndpointInfo->type, - pPolicyStream->pEndpointInfo->gsHALAPIName, - pPolicyStream->pRoleName, - pPolicyStream->pEndpointInfo->deviceURIType, - pPolicyStream->pEndpointInfo->iVolume, - true); - if(err) - { - AFB_ERROR("Endpoint:%i Set Volume return with errorcode%i",pPolicyStream->streamID, err); - return AHL_POLICY_REJECT; - } - PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_UNMUTED); - - } - - pPolicyStream->streamMute = streamMute; - } - - return AHL_POLICY_ACCEPT; -} - -int Policy_SetVolume(json_object *pPolicyEndpointJ) -{ - char *volumeStr = NULL; - EndpointInfoT EndpointInfo; - - int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - json_object *volumeJ=NULL; - - if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_volume", &volumeJ)) - { - return AHL_POLICY_ACCEPT; - } - volumeStr = (char*)json_object_get_string(volumeJ); - - // TODO: Parse volume string to support increment/absolute/percent notation (or delegate to action / policy layer to interpret) - int vol = atoi(volumeStr); - - //Set the volume - err= PolicySetVolume(EndpointInfo.endpointID, - EndpointInfo.type, - EndpointInfo.gsHALAPIName, - EndpointInfo.pRoleName, - EndpointInfo.deviceURIType, - vol, - false); - if (err) - { - AFB_ERROR("Set Volume return with errorcode%i", err); - return AHL_POLICY_REJECT; - } - - return AHL_POLICY_ACCEPT; -} - -int Policy_SetProperty(json_object *pPolicyEndpointJ) -{ - - char *propertyName = NULL; - EndpointInfoT EndpointInfo; - - int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_ACCEPT; - } - - json_object *propertyNameJ=NULL; - - if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_property_name", &propertyNameJ)) - { - return AHL_POLICY_ACCEPT; - } - propertyName = (char*)json_object_get_string(propertyNameJ); - - json_object *propValueJ; - if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_property_value", &propValueJ)) - { - return AHL_POLICY_ACCEPT; - } - - gpointer *key_value=NULL; - - key_value = g_hash_table_lookup(EndpointInfo.pPropTable,propertyName); - if(key_value == NULL) - { - AFB_ERROR("Can't find property %s, request will be rejected", propertyName); - return AHL_POLICY_REJECT; - } - - //Get JsonObjectype - json_type currentjType = json_object_get_type((json_object*)key_value); - json_type newjType = json_object_get_type(propValueJ); - - //Apply policy on set property if needed here - //Here we only validate that the type is the same - if(currentjType != newjType) - { - AFB_ERROR("Property Value Type is wrong"); - return AHL_POLICY_REJECT; - } - - - //Create a new Json Object - json_object *pEventDataJ = NULL; - err = wrap_json_pack(&pEventDataJ,"{s:s,s:i,s:i,s:s,s:o,s:s}", - "event_name", AHL_ENDPOINT_PROPERTY_EVENT, - "endpoint_id", EndpointInfo.endpointID, - "endpoint_type", EndpointInfo.type, - "property_name", propertyName, - "value",propValueJ, - "audio_role", EndpointInfo.pRoleName); - if(err) - { - AFB_ERROR("Unable to pack property event"); - return AHL_POLICY_REJECT; - } - //Raise Event to update HLB - audiohlapi_raise_event(pEventDataJ); - - return AHL_POLICY_ACCEPT; -} - -int Policy_PostAction(json_object *pPolicyActionJ) -{ - char * actionName = NULL; - char * audioRole = NULL; - char * mediaName = NULL; - json_object *actionContext = NULL; - - int err = wrap_json_unpack(pPolicyActionJ, "{s:s,s:s,s?s,s?o}", "action_name", &actionName,"audio_role",&audioRole,"media_name",&mediaName,"action_context",&actionContext); - if (err) { - AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err)); - return AHL_POLICY_REJECT; - } - - // TODO: Any event with media specified should trigger action on provided rendering services (e.g. Wwise binding, gstreamer file player wrapper, MPDC? simple ALSA player (aplay)?) - // Example (when the policy is hooked to CAN events). Post audio playback events other than safety during reverse gear engaged declined - // Example post HMI audio role playback events declined when higher priority streams are active - - //In this use case just return the action back to highlevel binding. - - json_object *pEventDataJ = NULL; - err = wrap_json_pack(&pEventDataJ, "{s:s,s:s,s:s,s?s,s?o}", "event_name", AHL_POST_ACTION_EVENT, "action_name", &actionName,"audio_role",&audioRole,"media_name",&mediaName,"action_context",&actionContext); - if (err) { - AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err)); - return AHL_POLICY_REJECT; - } - audiohlapi_raise_event(pEventDataJ); - - return AHL_POLICY_ACCEPT; -} - -int Policy_Endpoint_Init(json_object *pPolicyEndpointJ) -{ - EndpointInfoT EndpointInfo; - - int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo); - if(err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_REJECT; - } - - if (EndpointInfo.deviceURIType != DEVICEURITYPE_NOT_ALSA) { - // Update Hal Name - err = RetrieveAssociatedHALAPIName(&EndpointInfo); - if (err) { - AFB_ERROR("HAL not found for Device %s", EndpointInfo.gsDeviceName); - return AHL_POLICY_REJECT; - } - - //Set Init Volume - StreamConfigT StreamConfig; - getStreamConfig(EndpointInfo.pRoleName, &StreamConfig); - err = PolicySetVolume(EndpointInfo.endpointID, - EndpointInfo.type, - EndpointInfo.gsHALAPIName, - EndpointInfo.pRoleName, - EndpointInfo.deviceURIType, - StreamConfig.iVolumeInit, - false); - if(err) { - return AHL_POLICY_REJECT; - } - } - - // Test example - Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_EQ_LOW,3); - Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_EQ_MID,0); - Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_EQ_HIGH,6); - Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_BALANCE,0); - Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_FADE,30); - Add_Endpoint_Property_String(&EndpointInfo,"preset_name","flat"); - - - gpointer *key_value = g_hash_table_lookup(EndpointInfo.pPropTable,AHL_PROPERTY_BALANCE); - if(key_value == NULL) - { - AFB_ERROR("Can't find property %s, request will be rejected", AHL_PROPERTY_BALANCE); - return AHL_POLICY_REJECT; - } - - //Create a new Json Object - json_object *pNewPolicyEndpointJ = NULL; - err = PolicyEndpointStructToJSON(&EndpointInfo, &pNewPolicyEndpointJ); - if (err == AHL_POLICY_UTIL_FAIL) - { - return AHL_POLICY_REJECT; - } - json_object *paramJ= json_object_new_string(AHL_ENDPOINT_INIT_EVENT); - json_object_object_add(pNewPolicyEndpointJ, "event_name", paramJ); - - //Raise Event to update HLB - audiohlapi_raise_event(pNewPolicyEndpointJ); - - return AHL_POLICY_ACCEPT; // No errors -} - -int Policy_Init() -{ - // Initialize Ressources - g_PolicyCtx.pSourceEndpoints =g_array_new(FALSE,TRUE,sizeof(EndPointPolicyInfoT)); - g_PolicyCtx.pSinkEndpoints = g_array_new(FALSE,TRUE,sizeof(EndPointPolicyInfoT)); - g_PolicyCtx.pHALList = g_ptr_array_new_with_free_func(g_free); - - //Get HalList - GetHALList(); - - //Set System Normal for now, this should be set by an event - //TODO: Receive event from low level - g_PolicyCtx.systemState = SYSTEM_NORMAL; - - //register audio backend events - //This is to simulate can bus, only used for demo - json_object *queryurl, *responseJ, *eventsJ; - - eventsJ = json_object_new_array(); - json_object_array_add(eventsJ, json_object_new_string("audiod_system_event")); - queryurl = json_object_new_object(); - json_object_object_add(queryurl, "events", eventsJ); - int returnResult = afb_service_call_sync("audiod", "subscribe", queryurl, &responseJ); - if (returnResult) { - AFB_ERROR("Fail subscribing to Audio Backend System events"); - return AHL_POLICY_REJECT; - } - return AHL_POLICY_ACCEPT; -} - -void Policy_Term() -{ - //Free Ressources - if (g_PolicyCtx.pHALList) { - g_ptr_array_free(g_PolicyCtx.pHALList,TRUE); - g_PolicyCtx.pHALList = NULL; - } - - for(int i=0; i<g_PolicyCtx.pSourceEndpoints->len; i++) - { - EndPointPolicyInfoT * pCurEndpoint = &g_array_index(g_PolicyCtx.pSourceEndpoints,EndPointPolicyInfoT,i); - g_array_free(pCurEndpoint->streamInfo,TRUE); - pCurEndpoint->streamInfo= NULL; - } - - for(int i=0; i<g_PolicyCtx.pSinkEndpoints->len; i++) - { - EndPointPolicyInfoT * pCurEndpoint = &g_array_index(g_PolicyCtx.pSinkEndpoints,EndPointPolicyInfoT,i); - g_array_free(pCurEndpoint->streamInfo,TRUE); - pCurEndpoint->streamInfo = NULL; - } - - g_array_free(g_PolicyCtx.pSourceEndpoints,TRUE); - g_PolicyCtx.pSourceEndpoints = NULL; - g_array_free(g_PolicyCtx.pSinkEndpoints,TRUE); - g_PolicyCtx.pSinkEndpoints = NULL; -} - -void Policy_OnEvent(const char *evtname, json_object *eventJ) -{ - AFB_DEBUG("Policy received event %s", evtname); - char *eventName = NULL; - json_object *event_parameter = NULL; - int speed = 0; - - if(strcasecmp(evtname, "audiod/system_events")==0) - { - int err = wrap_json_unpack(eventJ, "{s:s,s:o}", "event_name", &eventName, "event_parameter", &event_parameter); - if (err) { - AFB_WARNING("Invalid arguments, Args not a valid json object query=%s", json_object_get_string(eventJ)); - return; - } - - if(strcasecmp(eventName, "speed")==0) - { - AFB_NOTICE("Invalid arguments, Args not a valid json object query=%s", json_object_get_string(event_parameter)); - err = wrap_json_unpack(event_parameter, "{s:i}", "speed_value", &speed); - if (err) { - AFB_WARNING("Invalid arguments, Args not a valid json object query=%s", json_object_get_string(event_parameter)); - return; - } - //When speed change Modify volume on Endpoint where entertainment change - PolicySpeedModify(speed); - } - } -} - -#endif // AHL_DISCONNECT_POLICY
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