Add possibility to unsubscribe from events

Add possibility to unsubscribe from events using 'unsubscribe' verb
with the same json payload used for subscribe.

BUG-AGL: SPEC-2833

Change-Id: Ie01f36b2bf0a446cc80b09d79417a301ce9ecfff
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

1 files changed, 13 insertions, 7 deletions

diff --git a/alsa-binding/Alsa-ApiHat.h b/alsa-binding/Alsa-ApiHat.h
index 209c65b..21aaa61 100644
--- a/alsa-binding/Alsa-ApiHat.h
+++ b/alsa-binding/Alsa-ApiHat.h
@@ -44,10 +44,10 @@
 #define NO_SUBDEVICE_SELECTED   -1
 
 typedef enum {
-  QUERY_QUIET   =0,
-  QUERY_COMPACT =1,
-  QUERY_VERBOSE =2,
-  QUERY_FULL    =3,
+    QUERY_QUIET   = 0,
+    QUERY_COMPACT = 1,
+    QUERY_VERBOSE = 2,
+    QUERY_FULL    = 3,
 } queryModeE;
 
 typedef enum {
@@ -60,6 +60,11 @@ typedef enum {
     CONTROL_REMOVE
 } ControlAddRemoveT;
 
+typedef enum {
+    EVENT_SUBSCRIBE,
+    EVENT_UNSUBSCRIBE
+} EventSubscribeUnsubscribeT;
+
 // structure to store card
 typedef struct {
     int cardNb;
@@ -77,8 +82,8 @@ typedef struct {
 
 // generic structure to pass parsed query values
 typedef struct {
-  json_object *numidsJ;
-  int count;
+    json_object *numidsJ;
+    int count;
 } controlQueryValuesT;
 
 // use to store crl numid user request
@@ -114,7 +119,8 @@ PUBLIC void alsaAddCustomCtls(afb_req_t request);
 PUBLIC void alsaRemoveCustomCtls(afb_req_t request);
 
 // AlsaRegEvt
-PUBLIC void alsaEvtSubcribe (afb_req_t request);
+PUBLIC void alsaEvtSubscribe (afb_req_t request);
+PUBLIC void alsaEvtUnsubscribe (afb_req_t request);
 PUBLIC void alsaGetCardId (afb_req_t request);
 PUBLIC void alsaRegisterHal (afb_req_t request);
 PUBLIC void alsaActiveHal (afb_req_t request);