Setting and checking LOA

Change-Id: I02c3795c6e212491605861228eb60b731be78537
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

2 files changed, 33 insertions, 7 deletions

diff --git a/include/afb/afb-plugin.h b/include/afb/afb-plugin.h
index c457f853..41e53ce1 100644
--- a/include/afb/afb-plugin.h
+++ b/include/afb/afb-plugin.h
@@ -59,7 +59,33 @@ enum AFB_session_v1
        AFB_SESSION_CLOSE = 2,  /* closes the session after authentification */
        AFB_SESSION_RENEW = 4,  /* refreshes the token after authentification */
        AFB_SESSION_CHECK = 8,  /* enforce authentification */
-       AFB_SESSION_MASK = 15   /* convenient mask used internally, bit-or of the previous masks */
+
+       AFB_SESSION_LOA_GE = 16, /* check that the LOA is greater or equal to the given value */
+       AFB_SESSION_LOA_LE = 32, /* check that the LOA is lesser or equal to the given value */
+       AFB_SESSION_LOA_EQ = 48, /* check that the LOA is equal to the given value */
+
+       AFB_SESSION_LOA_SHIFT = 6, /* shift for LOA */
+       AFB_SESSION_LOA_MASK = 3,  /* mask for LOA */
+
+       AFB_SESSION_LOA_0 = 0,   /* value for LOA of 0 */
+       AFB_SESSION_LOA_1 = 64,  /* value for LOA of 1 */
+       AFB_SESSION_LOA_2 = 128, /* value for LOA of 2 */
+       AFB_SESSION_LOA_3 = 192, /* value for LOA of 3 */
+
+       AFB_SESSION_LOA_LE_0 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_0, /* check LOA <= 0 */
+       AFB_SESSION_LOA_LE_1 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_1, /* check LOA <= 1 */
+       AFB_SESSION_LOA_LE_2 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_2, /* check LOA <= 2 */
+       AFB_SESSION_LOA_LE_3 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_3, /* check LOA <= 3 */
+
+       AFB_SESSION_LOA_GE_0 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_0, /* check LOA >= 0 */
+       AFB_SESSION_LOA_GE_1 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_1, /* check LOA >= 1 */
+       AFB_SESSION_LOA_GE_2 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_2, /* check LOA >= 2 */
+       AFB_SESSION_LOA_GE_3 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_3, /* check LOA >= 3 */
+
+       AFB_SESSION_LOA_EQ_0 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_0, /* check LOA == 0 */
+       AFB_SESSION_LOA_EQ_1 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_1, /* check LOA == 1 */
+       AFB_SESSION_LOA_EQ_2 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_2, /* check LOA == 2 */
+       AFB_SESSION_LOA_EQ_3 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_3  /* check LOA == 3 */
 };
 
 /*
diff --git a/include/afb/afb-req-itf.h b/include/afb/afb-req-itf.h
index 6984d0fa..454c1817 100644
--- a/include/afb/afb-req-itf.h
+++ b/include/afb/afb-req-itf.h
@@ -42,7 +42,7 @@ struct afb_req_itf {
 	void (*unref)(void *closure);
 
 	void (*session_close)(void *closure);
-	void (*session_set_LOA)(void *closure, unsigned level);
+	int (*session_set_LOA)(void *closure, unsigned level);
 };
 
 struct afb_req {
@@ -97,7 +97,7 @@ static inline void *afb_req_context_get(struct afb_req req)
 
 static inline void afb_req_context_set(struct afb_req req, void *value, void (*free_value)(void*))
 {
-	return req.itf->context_set(req.closure, value, free_value);
+	req.itf->context_set(req.closure, value, free_value);
 }
 
 static inline void *afb_req_context(struct afb_req req, void *(*create_value)(), void (*free_value)(void*))
@@ -118,20 +118,20 @@ static inline void afb_req_context_clear(struct afb_req req)
 
 static inline void afb_req_addref(struct afb_req req)
 {
-	return req.itf->addref(req.closure);
+	req.itf->addref(req.closure);
 }
 
 static inline void afb_req_unref(struct afb_req req)
 {
-	return req.itf->unref(req.closure);
+	req.itf->unref(req.closure);
 }
 
 static inline void afb_req_session_close(struct afb_req req)
 {
-	return req.itf->session_close(req.closure);
+	req.itf->session_close(req.closure);
 }
 
-static inline void afb_req_session_set_LOA(struct afb_req req, unsigned level)
+static inline int afb_req_session_set_LOA(struct afb_req req, unsigned level)
 {
 	return req.itf->session_set_LOA(req.closure, level);
 }