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-rw-r--r--ahl-policy/ahl-policy.c572
1 files changed, 311 insertions, 261 deletions
diff --git a/ahl-policy/ahl-policy.c b/ahl-policy/ahl-policy.c
index 5d2e324..4a34ed8 100644
--- a/ahl-policy/ahl-policy.c
+++ b/ahl-policy/ahl-policy.c
@@ -14,15 +14,38 @@
* limitations under the License.
*/
-#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+#include <glib.h>
#include "wrap-json.h"
#include "ahl-policy-utils.h"
#include "ahl-interface.h"
#include "ahl-policy.h"
+#ifndef AHL_DISCONNECT_POLICY
+
+#define AK_POLICY_DEMO //For Audiokinetic demo only
+
+typedef struct StreamPolicyInfo {
+ streamID_t streamID;
+ int RolePriority;
+ char * pAudioRole;
+ InterruptBehaviorT interruptBehavior;
+ int iDuckVolume; //duck Volume
+} StreamPolicyInfoT;
+
+typedef struct EndPointPolicyInfo {
+ endpointID_t endpointID;
+ EndpointTypeT type;
+ DeviceURITypeT deviceType;
+ char * pDeviceName;
+ char * pHalApiName;
+ int iVolume; //Current Volume
+ GArray * streamInfo; //List of playing or duck stream at a given endpoint
+} EndPointPolicyInfoT;
typedef enum SystemState {
SYSTEM_STARTUP = 0, // Startup
@@ -32,7 +55,6 @@ typedef enum SystemState {
SYSTEM_MAXVALUE // Enum count, keep at the end
} SystemStateT;
-
typedef struct HalInfo {
char *pDevID;
char *pAPIName;
@@ -53,12 +75,9 @@ typedef struct PolicyLocalCtx {
SystemStateT systemState;
} PolicyLocalCtxT;
-#ifndef AHL_DISCONNECT_POLICY
-
-// Global Context
+// Policy context
PolicyLocalCtxT g_PolicyCtx;
-
// Helper Functions
static int getStreamConfig(char *pAudioRole, StreamConfigT *pStreamConfig)
{
@@ -120,7 +139,7 @@ static int getStreamConfig(char *pAudioRole, StreamConfigT *pStreamConfig)
static int PolicySetVolume(int iEndpointID, int iEndpointType, char *pHalApiName, char *AudioRole, DeviceURITypeT deviceType, int iVolume, bool bMute)
{
- if(pHalApiName == NULL)
+ if(pHalApiName == NULL || (strcasecmp(pHalApiName, AHL_POLICY_UNDEFINED_HALNAME) == 0))
{
AFB_WARNING("SetVolume cannot be accomplished without proper HAL association");
return POLICY_FAIL;
@@ -156,15 +175,14 @@ static int PolicySetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
}
break;
default:
- //Set volume to zero for display purpose only.
- //Not support yet
+ // Not supported 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;
+ json_object *j_response = NULL, *j_query = NULL;
// Package query
int err = wrap_json_pack(&j_query,"{s:s,s:i}","label",gsHALControlName->str, "val",iVolume);
@@ -174,7 +192,7 @@ static int PolicySetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
return POLICY_FAIL;
}
- //TODO implement Volume limitation based on policy
+ // TODO: implement Volume limitation based on policy
// Set the volume using the HAL
err = afb_service_call_sync(pHalApiName, "ctlset", j_query, &j_response);
@@ -216,7 +234,7 @@ static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
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)
+ g_string_append(gsHALControlName,"_Vol"); // Return target value
break;
default:
// Set volume to zero for display purpose only.
@@ -237,8 +255,6 @@ static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
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)
@@ -262,8 +278,7 @@ static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
if (err) {
AFB_ERROR("Volume retrieve failed Could not retrieve volume value -> %s", json_object_get_string(jVal));
return POLICY_FAIL;
- }
-
+ }
}
else
{
@@ -272,7 +287,6 @@ static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
AFB_ERROR("Volume retrieve failed Could not retrieve volume value -> %s", json_object_get_string(jVal));
return POLICY_FAIL;
}
-
}
*pVolume = val1;
@@ -293,7 +307,6 @@ static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName
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)
@@ -332,23 +345,22 @@ static EndPointPolicyInfoT *PolicySearchEndPoint(EndpointTypeT type, char *pDevi
return NULL;
}
-
-static int PolicyAddEndPoint(StreamInfoT *pStreamInfo)
+static int PolicyAddEndPoint(StreamInterfaceInfoT *pStreamInfo)
{
- EndPointPolicyInfoT *pPolicyEndPoint = PolicySearchEndPoint(pStreamInfo->pEndpointInfo->type, pStreamInfo->pEndpointInfo->gsDeviceName);
+ EndPointPolicyInfoT *pPolicyEndPoint = PolicySearchEndPoint(pStreamInfo->endpoint.type, pStreamInfo->endpoint.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)
+ newEndPointPolicyInfo.endpointID = pStreamInfo->endpoint.endpointID;
+ newEndPointPolicyInfo.type = pStreamInfo->endpoint.type;
+ newEndPointPolicyInfo.deviceType = pStreamInfo->endpoint.deviceURIType;
+ newEndPointPolicyInfo.pDeviceName = strdup(pStreamInfo->endpoint.gsDeviceName);
+ newEndPointPolicyInfo.pHalApiName = strdup(pStreamInfo->endpoint.gsHALAPIName);
+ newEndPointPolicyInfo.iVolume = pStreamInfo->endpoint.iVolume;
+ newEndPointPolicyInfo.streamInfo = g_array_new(FALSE, TRUE, sizeof(StreamPolicyInfoT));
+
+ if(pStreamInfo->endpoint.type == ENDPOINTTYPE_SINK)
{
g_array_append_val(g_PolicyCtx.pSinkEndpoints, newEndPointPolicyInfo);
}
@@ -361,8 +373,7 @@ static int PolicyAddEndPoint(StreamInfoT *pStreamInfo)
return POLICY_SUCCESS;
}
-
-static int PolicyAddStream(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT *pStreamInfo)
+static int PolicyAddStream(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInterfaceInfoT *pStreamInfo)
{
StreamPolicyInfoT newStreamPolicyInfo;
@@ -375,16 +386,15 @@ static int PolicyAddStream(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT
return POLICY_SUCCESS;
}
-static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,StreamInfoT * pStreamInfo)
+static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,StreamInterfaceInfoT * 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");
+ AFB_ERROR("StreamID not found in active endpoint when running to idle transition is requested");
return POLICY_FAIL;
}
- //Search for the matching stream
+ // Search for the matching stream
for(int i=0; i<pCurrEndPointPolicy->streamInfo->len; i++)
{
StreamPolicyInfoT currentPolicyStreamInfo = g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,i);
@@ -400,7 +410,7 @@ static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
{
case INTERRUPTBEHAVIOR_CONTINUE:
//unduck and set Volume back to original value
- err= PolicySetVolume(pCurrEndPointPolicy->endpointID,
+ err = PolicySetVolume(pCurrEndPointPolicy->endpointID,
pCurrEndPointPolicy->type,
pCurrEndPointPolicy->pHalApiName,
HighPriorityStreamInfo.pAudioRole,
@@ -413,21 +423,15 @@ static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
}
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;
}
}
}
@@ -435,7 +439,7 @@ static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
return POLICY_SUCCESS;
}
-static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT * pStreamInfo)
+static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInterfaceInfoT * pStreamInfo)
{
int err=0;
if(pCurrEndPointPolicy->streamInfo == NULL)
@@ -459,7 +463,7 @@ static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
{
case INTERRUPTBEHAVIOR_CONTINUE:
//Save the current Volume and set the docking volume
- pCurrentActiveStreamInfo->iDuckVolume = pStreamInfo->pEndpointInfo->iVolume;
+ pCurrentActiveStreamInfo->iDuckVolume = pStreamInfo->endpoint.iVolume;
StreamConfigT StreamConfig;
err = getStreamConfig(pStreamInfo->pRoleName, &StreamConfig);
if(err == POLICY_FAIL)
@@ -467,7 +471,7 @@ static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
AFB_ERROR("Error getting stream configuration for audiorole: %s", pStreamInfo->pRoleName);
return POLICY_FAIL;
}
- err= PolicySetVolume(pCurrEndPointPolicy->endpointID,
+ err = PolicySetVolume(pCurrEndPointPolicy->endpointID,
pCurrEndPointPolicy->type,
pCurrEndPointPolicy->pHalApiName,
pCurrentActiveStreamInfo->pAudioRole,
@@ -483,7 +487,6 @@ static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
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);
@@ -491,8 +494,6 @@ static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
default:
AFB_ERROR("Unsupported Intterupt Behavior");
return AHL_POLICY_REJECT;
- break;
-
}
//Add the playing stream at last
@@ -503,9 +504,7 @@ static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
//Higher Priority Stream is playing
AFB_ERROR("Higher Priority Stream is playing");
return POLICY_FAIL;
- }
-
-
+ }
}
return POLICY_SUCCESS;
@@ -513,7 +512,6 @@ static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,
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);
@@ -545,8 +543,11 @@ static void PolicySpeedModify(int speed)
}
}
-static int RetrieveAssociatedHALAPIName(EndpointInfoT * io_pEndpointInfo)
+static int RetrieveAssociatedHALAPIName(int iAlsaCardNumber,char ** out_pDisplayName,char ** out_pHALName)
{
+ *out_pDisplayName = NULL;
+ *out_pHALName = NULL;
+
if(g_PolicyCtx.pHALList)
{
for(int i=0; i<g_PolicyCtx.pHALList->len; i++)
@@ -554,25 +555,21 @@ static int RetrieveAssociatedHALAPIName(EndpointInfoT * io_pEndpointInfo)
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);
+ if (iCardNum == iAlsaCardNumber) {
+ *out_pDisplayName = pHalInfo->pDisplayName;
+ *out_pHALName = pHalInfo->pAPIName;
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);
+ json_object *j_response = NULL, *j_query = NULL;
+ int 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;
@@ -616,16 +613,14 @@ static int GetHALList(void)
//
// Policy API Functions
//
-int Policy_OpenStream(json_object *pPolicyStreamJ)
+int Policy_OpenStream(json_object *pStreamJ)
{
- StreamInfoT PolicyStream;
- EndpointInfoT EndpointInfo;
- PolicyStream.pEndpointInfo =&EndpointInfo;
+ StreamInterfaceInfoT Stream;
- int err = PolicyCtxJSONToStream(pPolicyStreamJ, &PolicyStream);
+ int err = JSONToStream(pStreamJ, &Stream);
if(err == AHL_POLICY_UTIL_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
// Example rule -> when system is in shutdown or low power mode, no audio stream can be opened (return AHL_POLICY_REJECT)
@@ -636,26 +631,27 @@ int Policy_OpenStream(json_object *pPolicyStreamJ)
}
StreamConfigT StreamConfig;
- err = getStreamConfig(PolicyStream.pRoleName, &StreamConfig);
+ err = getStreamConfig(Stream.pRoleName, &StreamConfig);
if(err == POLICY_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
- 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);
+ // Volume support only possible through ALSA
+ if(Stream.endpoint.deviceURIType != DEVICEURITYPE_NOT_ALSA) {
+ err = PolicyGetVolume(Stream.endpoint.endpointID,
+ Stream.endpoint.type,
+ Stream.endpoint.gsHALAPIName,
+ Stream.endpoint.pRoleName,
+ Stream.endpoint.deviceURIType,
+ &Stream.endpoint.iVolume);
if(err == POLICY_FAIL)
{
return AHL_POLICY_REJECT;
}
}
- err = PolicyAddEndPoint(&PolicyStream);
+ err = PolicyAddEndPoint(&Stream);
if(err == POLICY_FAIL)
{
return AHL_POLICY_REJECT;
@@ -663,291 +659,298 @@ int Policy_OpenStream(json_object *pPolicyStreamJ)
return AHL_POLICY_ACCEPT;
}
-int Policy_CloseStream(json_object *pPolicyStreamJ)
+int Policy_CloseStream(json_object *pStreamJ)
{
- //TODO remove Endpoint when there is no stream
- StreamInfoT PolicyStream;
- EndpointInfoT EndpointInfo;
- PolicyStream.pEndpointInfo =&EndpointInfo;
- int err = PolicyCtxJSONToStream(pPolicyStreamJ, &PolicyStream);
+ StreamInterfaceInfoT Stream;
+ int err = JSONToStream(pStreamJ, &Stream);
if(err == AHL_POLICY_UTIL_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
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;
-
+int Policy_SetStreamState(json_object *pStreamJ)
+{
+ // Optional TODO: Could mute endpoint before activation, unmute afterwards (after a delay?) to avoid noises
StreamStateT streamState = 0;
- StreamInfoT * pPolicyStream = &PolicyStream;
- int err = PolicyCtxJSONToStream(pPolicyStreamJ, pPolicyStream);
+ StreamInterfaceInfoT Stream;
+
+ int err = JSONToStream(pStreamJ, &Stream);
if(err == AHL_POLICY_UTIL_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
- json_object *streamStateJ=NULL;
+ json_object *streamStateJ = NULL;
- if(!json_object_object_get_ex(pPolicyStreamJ, "arg_stream_state", &streamStateJ))
+ if(!json_object_object_get_ex(pStreamJ, "arg_stream_state", &streamStateJ))
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
streamState = (StreamStateT)json_object_get_int(streamStateJ);
- //Change of state
- if(pPolicyStream->streamState != streamState)
+ // Change of state
+ if(Stream.streamState != streamState)
{
//seach corresponding endpoint and gather information on it
- EndPointPolicyInfoT *pCurrEndPointPolicy = PolicySearchEndPoint(pPolicyStream->pEndpointInfo->type , pPolicyStream->pEndpointInfo->gsDeviceName);
+ EndPointPolicyInfoT *pCurrEndPointPolicy = PolicySearchEndPoint(Stream.endpoint.type , Stream.endpoint.gsDeviceName);
- switch(pPolicyStream->streamState)
+ switch(Stream.streamState)
{
case STREAM_STATE_IDLE:
switch(streamState)
{
case STREAM_STATE_RUNNING:
- err = PolicyIdleRunningTransition(pCurrEndPointPolicy, pPolicyStream);
+ err = PolicyIdleRunningTransition(pCurrEndPointPolicy, &Stream);
if(err)
{
return AHL_POLICY_REJECT;
}
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_START);
+ PolicyPostStateEvent(Stream.streamID,STREAM_EVENT_START);
break;
case STREAM_STATE_PAUSED:
- err = PolicyIdleRunningTransition(pCurrEndPointPolicy, pPolicyStream);
+ err = PolicyIdleRunningTransition(pCurrEndPointPolicy, &Stream);
if(err)
{
return AHL_POLICY_REJECT;
}
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_PAUSE);
+ PolicyPostStateEvent(Stream.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);
+ err = PolicyRunningIdleTransition(pCurrEndPointPolicy, &Stream);
if(err)
{
return AHL_POLICY_REJECT;
}
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_STOP);
+ PolicyPostStateEvent(Stream.streamID,STREAM_EVENT_STOP);
break;
case STREAM_STATE_PAUSED:
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_PAUSE);
+ PolicyPostStateEvent(Stream.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);
+ err = PolicyRunningIdleTransition(pCurrEndPointPolicy, &Stream);
if(err)
{
return AHL_POLICY_REJECT;
}
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_STOP);
+ PolicyPostStateEvent(Stream.streamID,STREAM_EVENT_STOP);
break;
case STREAM_STATE_RUNNING:
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_RESUME);
+ PolicyPostStateEvent(Stream.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)
+int Policy_SetStreamMute(json_object *pStreamJ)
{
+ // Note: stream mute currently implemented directly using ALSA volume. It should later be implemented with a distinct mute switch control instead
StreamMuteT streamMute = 0;
- StreamInfoT PolicyStream;
- EndpointInfoT EndpointInfo;
- PolicyStream.pEndpointInfo =&EndpointInfo;
- StreamInfoT * pPolicyStream = &PolicyStream;
+ StreamInterfaceInfoT Stream;
- int err = PolicyCtxJSONToStream(pPolicyStreamJ, pPolicyStream);
+ int err = JSONToStream(pStreamJ, &Stream);
if(err == AHL_POLICY_UTIL_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
json_object *streamMuteJ=NULL;
- if(!json_object_object_get_ex(pPolicyStreamJ, "mute_state", &streamMuteJ))
+ if(!json_object_object_get_ex(pStreamJ, "mute_state", &streamMuteJ))
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
streamMute = (StreamMuteT)json_object_get_int(streamMuteJ);
- if(streamMute != pPolicyStream->streamMute)
+ if(streamMute != Stream.streamMute)
{
if(streamMute == STREAM_MUTED)
{
-
- err= PolicySetVolume(pPolicyStream->pEndpointInfo->endpointID,
- pPolicyStream->pEndpointInfo->type,
- pPolicyStream->pEndpointInfo->gsHALAPIName,
- pPolicyStream->pRoleName,
- pPolicyStream->pEndpointInfo->deviceURIType,
- 0,
- true);
+ err = PolicySetVolume(Stream.endpoint.endpointID,
+ Stream.endpoint.type,
+ Stream.endpoint.gsHALAPIName,
+ Stream.pRoleName,
+ Stream.endpoint.deviceURIType,
+ 0, // mute volume
+ true); // no ramp and no volume event
if(err)
{
- AFB_ERROR("StreamID:%i Set Volume return with errorcode%i",pPolicyStream->streamID, err);
+ AFB_ERROR("StreamID:%i Set Volume return with errorcode%i",Stream.streamID, err);
return AHL_POLICY_REJECT;
}
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_MUTED);
+ PolicyPostStateEvent(Stream.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);
+ err = PolicySetVolume(Stream.endpoint.endpointID,
+ Stream.endpoint.type,
+ Stream.endpoint.gsHALAPIName,
+ Stream.pRoleName,
+ Stream.endpoint.deviceURIType,
+ Stream.endpoint.iVolume, // restore volume
+ true); // no ramp and no volume event
if(err)
{
- AFB_ERROR("Endpoint:%i Set Volume return with errorcode%i",pPolicyStream->streamID, err);
+ AFB_ERROR("Endpoint:%i Set Volume return with errorcode%i",Stream.streamID, err);
return AHL_POLICY_REJECT;
}
- PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_UNMUTED);
-
+ PolicyPostStateEvent(Stream.streamID,STREAM_EVENT_UNMUTED);
}
-
- pPolicyStream->streamMute = streamMute;
}
return AHL_POLICY_ACCEPT;
}
-int Policy_SetVolume(json_object *pPolicyEndpointJ)
+int Policy_SetVolume(json_object *pEndpointJ)
{
char *volumeStr = NULL;
- EndpointInfoT EndpointInfo;
+ EndPointInterfaceInfoT Endpoint;
- int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo);
+ int err = JSONToEndpoint(pEndpointJ, &Endpoint);
if(err == AHL_POLICY_UTIL_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
- json_object *volumeJ=NULL;
-
- if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_volume", &volumeJ))
+ json_object *volumeJ = NULL;
+ if(!json_object_object_get_ex(pEndpointJ, "arg_volume", &volumeJ))
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
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)
+ // TODO: Parse volume string to support increment/absolute/percent notation
int vol = atoi(volumeStr);
- //Set the volume
- err= PolicySetVolume(EndpointInfo.endpointID,
- EndpointInfo.type,
- EndpointInfo.gsHALAPIName,
- EndpointInfo.pRoleName,
- EndpointInfo.deviceURIType,
- vol,
- false);
+ // Set the volume
+ err = PolicySetVolume(Endpoint.endpointID,
+ Endpoint.type,
+ Endpoint.gsHALAPIName,
+ Endpoint.pRoleName,
+ Endpoint.deviceURIType,
+ vol,
+ false); // Volume ramp and send events
if (err)
{
- AFB_ERROR("Set Volume return with errorcode%i", err);
+ AFB_ERROR("Set Volume return with errorcode %i", err);
return AHL_POLICY_REJECT;
}
return AHL_POLICY_ACCEPT;
}
-int Policy_SetProperty(json_object *pPolicyEndpointJ)
+int Policy_SetProperty(json_object *pEndpointJ)
{
-
char *propertyName = NULL;
- EndpointInfoT EndpointInfo;
+ EndPointInterfaceInfoT Endpoint;
- int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo);
+ int err = JSONToEndpoint(pEndpointJ, &Endpoint);
if(err == AHL_POLICY_UTIL_FAIL)
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
- json_object *propertyNameJ=NULL;
-
- if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_property_name", &propertyNameJ))
+ json_object *propertyNameJ = NULL;
+ if(!json_object_object_get_ex(pEndpointJ, "arg_property_name", &propertyNameJ))
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
propertyName = (char*)json_object_get_string(propertyNameJ);
- json_object *propValueJ;
- if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_property_value", &propValueJ))
+ json_object *propValueJ = NULL;
+ if(!json_object_object_get_ex(pEndpointJ, "arg_property_value", &propValueJ))
{
- return AHL_POLICY_ACCEPT;
+ return AHL_POLICY_REJECT;
}
+ json_type currentTypeJ = json_object_get_type(propValueJ);
- gpointer *key_value=NULL;
-
- key_value = g_hash_table_lookup(EndpointInfo.pPropTable,propertyName);
- if(key_value == NULL)
+ json_object *propArray = NULL;
+ if(!json_object_object_get_ex(pEndpointJ, "properties", &propArray))
{
- AFB_ERROR("Can't find property %s, request will be rejected", propertyName);
- return AHL_POLICY_REJECT;
+ 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)
+ int iPropArrayLen = json_object_array_length(propArray);
+ int foundProperty = 0;
+
+ for (int i = 0; i < iPropArrayLen; i++)
{
- AFB_ERROR("Property Value Type is wrong");
- return AHL_POLICY_REJECT;
+ // get the i-th object in medi_array
+ json_object *propElementJ = json_object_array_get_idx(propArray, i);
+ if(propElementJ)
+ {
+ json_object *propElementNameJ=NULL;
+ if(json_object_object_get_ex(propElementJ, "property_name", &propElementNameJ))
+ {
+ char *propElementName = (char*)json_object_get_string(propElementNameJ);
+ if(strcasecmp(propElementName,propertyName)==0)
+ {
+ json_object *propElementValueJ=NULL;
+ if(!json_object_object_get_ex(propElementJ, "property_value", &propElementValueJ))
+ {
+ json_type elementTypeJ = json_object_get_type(propElementValueJ);
+
+ // Apply policy on set property if needed here
+ // Here we only validate that the type is the same
+ if(currentTypeJ != elementTypeJ)
+ {
+ AFB_ERROR("Property Value Type is wrong");
+ return AHL_POLICY_REJECT;
+ }
+ foundProperty = 1;
+ break;
+ }
+ }
+ }
+ }
}
+ if(foundProperty== 0)
+ {
+ AFB_ERROR("Can't find property %s, request will be rejected", propertyName);
+ return AHL_POLICY_REJECT;
+ }
- //Create a new Json Object
+ // 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,
+ "endpoint_id", Endpoint.endpointID,
+ "endpoint_type", Endpoint.type,
"property_name", propertyName,
"value",propValueJ,
- "audio_role", EndpointInfo.pRoleName);
+ "audio_role", Endpoint.pRoleName);
if(err)
{
AFB_ERROR("Unable to pack property event");
return AHL_POLICY_REJECT;
}
- //Raise Event to update HLB
+
+ // Raise Event to update HLB
audiohlapi_raise_event(pEventDataJ);
return AHL_POLICY_ACCEPT;
@@ -978,94 +981,137 @@ int Policy_PostAction(json_object *pPolicyActionJ)
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)
+int Policy_Endpoint_Init(json_object *pInPolicyEndpointJ,json_object **pOutPolicyEndpointJ)
{
- EndpointInfoT EndpointInfo;
-
- int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo);
- if(err == AHL_POLICY_UTIL_FAIL)
- {
- return AHL_POLICY_REJECT;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
+ DeviceURITypeT deviceURIType = DEVICEURITYPE_MAXVALUE;
+ int iAllocString = 0;
+ char * pRoleName = NULL;
+ int iAlsaCardNumber = AHL_UNDEFINED;
+ char * pDeviceName = NULL;
+ int err = wrap_json_unpack(pInPolicyEndpointJ,"{s:i,s:i,s:i,s:s,s:i,s:s}",
+ "endpoint_id",&endpointID,
+ "endpoint_type",&endpointType,
+ "device_uri_type",&deviceURIType,
+ "audio_role",&pRoleName,
+ "alsa_cardNum", &iAlsaCardNumber,
+ "device_name", &pDeviceName );
+ if (err) {
+ AFB_ERROR("Unable to unpack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ goto OnError;
}
- if (EndpointInfo.deviceURIType != DEVICEURITYPE_NOT_ALSA) {
+ StreamConfigT StreamConfig;
+ getStreamConfig(pRoleName, &StreamConfig);
+
+ char * pDisplayName = NULL;
+ char * pHALName = NULL;
+ if (deviceURIType != DEVICEURITYPE_NOT_ALSA) {
// Update Hal Name
- err = RetrieveAssociatedHALAPIName(&EndpointInfo);
+ err = RetrieveAssociatedHALAPIName(iAlsaCardNumber,&pDisplayName,&pHALName);
if (err) {
- AFB_ERROR("HAL not found for Device %s", EndpointInfo.gsDeviceName);
- return AHL_POLICY_REJECT;
+ AFB_WARNING("HAL not found for device %s", pDeviceName);
+ pDisplayName = g_strdup(AHL_POLICY_UNDEFINED_DISPLAYNAME);
+ pHALName = g_strdup(AHL_POLICY_UNDEFINED_HALNAME);
+ iAllocString = 1;
}
-
- //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;
+ else
+ {
+ // Set initial Volume
+ err = PolicySetVolume(endpointID,
+ endpointType,
+ pHALName,
+ pRoleName,
+ deviceURIType,
+ StreamConfig.iVolumeInit,
+ true); // Do not raise event and no volume ramp
+ if(err) {
+ goto OnError;
+ }
}
}
-
- // 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;
+ else {
+ // Set display / HAL for non ALSA devices (default)
+ pDisplayName = g_strdup(AHL_POLICY_UNDEFINED_DISPLAYNAME);
+ pHALName = g_strdup(AHL_POLICY_UNDEFINED_HALNAME);
+ iAllocString = 1;
}
- //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);
+ // Populate special device property (TODO: Should be obtained from HAL)
+ // if (strcasecmp(gsHALAPIName,"Device")==0)
+ // {
+ // Create json object for PropTable
+ json_object *pPropTableJ = json_object_new_array();
+ Add_Endpoint_Property_Int(pPropTableJ,AHL_PROPERTY_EQ_LOW,3);
+ Add_Endpoint_Property_Int(pPropTableJ,AHL_PROPERTY_EQ_MID,0);
+ Add_Endpoint_Property_Int(pPropTableJ,AHL_PROPERTY_EQ_HIGH,6);
+ Add_Endpoint_Property_Int(pPropTableJ,AHL_PROPERTY_BALANCE,0);
+ Add_Endpoint_Property_Int(pPropTableJ,AHL_PROPERTY_FADE,30);
+ Add_Endpoint_Property_String(pPropTableJ,"preset_name","flat");
+ // }
+
+ err = wrap_json_pack(pOutPolicyEndpointJ,"{s:i,s:s,s:s,s:o}",
+ "init_volume",StreamConfig.iVolumeInit,
+ "display_name",pDisplayName,
+ "hal_name",pHALName,
+ "property_table",pPropTableJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ goto OnError;
+ }
+
+ // TODO: Future policy binding to return request response with pOutPolicyEndpointJ (instead of output argument)
+ return AHL_POLICY_ACCEPT; // No errors
- //Raise Event to update HLB
- audiohlapi_raise_event(pNewPolicyEndpointJ);
+OnError:
+ if (iAllocString) {
+ g_free(pDisplayName);
+ g_free(pHALName);
+ }
+ return AHL_POLICY_REJECT;
- return AHL_POLICY_ACCEPT; // No errors
}
int Policy_Init()
{
+ // Start fresh
+ memset(&g_PolicyCtx,0,sizeof(g_PolicyCtx));
+
// Initialize Ressources
- g_PolicyCtx.pSourceEndpoints =g_array_new(FALSE,TRUE,sizeof(EndPointPolicyInfoT));
+ 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
+ //Require AlsaCore Dependency
+ int err = afb_daemon_require_api_v2(AHL_POLICY_ALSA_API,1) ;
+ if( err != 0 )
+ {
+ AFB_ERROR("Audio Policy could not set dependency on alsacore API");
+ return AHL_POLICY_REJECT;
+ }
+
+ // Get HalList
GetHALList();
- //Set System Normal for now, this should be set by an event
- //TODO: Receive event from low level
+ // TODO: Register events from low level / HAL for dynamic changes
+
+ // Set System Normal for now, this should be set by an event
g_PolicyCtx.systemState = SYSTEM_NORMAL;
- //register audio backend events
- //This is to simulate can bus, only used for demo
- json_object *queryurl, *responseJ, *eventsJ;
-
+
+
+#ifdef AK_POLICY_DEMO
+ // Register audio backend events (TODO: should instead do this with signal composer with appropriate dependency)
+ // This is to simulate can bus, only used for demo
+ json_object *queryurl = NULL, *responseJ = NULL, *eventsJ = NULL;
eventsJ = json_object_new_array();
json_object_array_add(eventsJ, json_object_new_string("audiod_system_event"));
queryurl = json_object_new_object();
@@ -1075,12 +1121,15 @@ int Policy_Init()
AFB_ERROR("Fail subscribing to Audio Backend System events");
return AHL_POLICY_REJECT;
}
+#endif
+
+
return AHL_POLICY_ACCEPT;
}
void Policy_Term()
{
- //Free Ressources
+ // Free Ressources
if (g_PolicyCtx.pHALList) {
g_ptr_array_free(g_PolicyCtx.pHALList,TRUE);
g_PolicyCtx.pHALList = NULL;
@@ -1106,6 +1155,7 @@ void Policy_Term()
g_PolicyCtx.pSinkEndpoints = NULL;
}
+// For demo purpose only, should be listening to signal composer / CAN events instead
void Policy_OnEvent(const char *evtname, json_object *eventJ)
{
AFB_DEBUG("Policy received event %s", evtname);
@@ -1129,7 +1179,7 @@ void Policy_OnEvent(const char *evtname, json_object *eventJ)
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
+ // When speed change Modify volume on Endpoint where entertainment change
PolicySpeedModify(speed);
}
}