afb-session: Add language to session

Bug-AGL: SPEC-1827

Change-Id: Icfb9e2ee76186ac677ff2fbb37be28cd83dd3b6b
Signed-off-by: Jose Bollo <jose.bollo@iot.bzh>

2 files changed, 38 insertions, 0 deletions

diff --git a/src/afb-session.c b/src/afb-session.c
index 00aac69d..2cfbff99 100644
--- a/src/afb-session.c
+++ b/src/afb-session.c
@@ -65,6 +65,7 @@ struct afb_session
 	time_t expiration;	/**< expiration time of the token */
 	pthread_mutex_t mutex;  /**< mutex of the session */
 	struct cookie *cookies[COOKIECOUNT]; /**< cookies of the session */
+	char *lang;		/**< current language setting for the session */
 	uint8_t closed: 1;      /**< is the session closed ? */
 	uint8_t autoclose: 1;   /**< close the session when unreferenced */
 	uint8_t notinset: 1;	/**< session removed from the set of sessions */
@@ -259,6 +260,7 @@ static void session_destroy (struct afb_session *session)
 {
 	afb_hook_session_destroy(session);
 	pthread_mutex_destroy(&session->mutex);
+	free(session->lang);
 	free(session);
 }
 
@@ -738,3 +740,37 @@ int afb_session_set_cookie(struct afb_session *session, const void *key, void *v
 	return -(value != afb_session_cookie(session, key, NULL, freecb, value, 1));
 }
 
+/**
+ * Set the language attached to the session
+ *
+ * @param session the session to set
+ * @param lang    the language specifiction to set to session
+ *
+ * @return 0 in case of success or -1 in case of error
+ */
+int afb_session_set_language(struct afb_session *session, const char *lang)
+{
+	char *oldl, *newl;
+
+	newl = strdup(lang);
+	if (newl == NULL)
+		return -1;
+
+	oldl = session->lang;
+	session->lang = newl;
+	free(oldl);
+	return 0;
+}
+
+/**
+ * Get the language attached to the session
+ *
+ * @param session the session to query
+ * @param lang    a default language specifiction
+ *
+ * @return the langauage specification to use for session
+ */
+const char *afb_session_get_language(struct afb_session *session, const char *lang)
+{
+	return session->lang ?: lang;
+}
diff --git a/src/afb-session.h b/src/afb-session.h
index 12b30c41..bad07eeb 100644
--- a/src/afb-session.h
+++ b/src/afb-session.h
@@ -50,3 +50,5 @@ extern void *afb_session_get_cookie(struct afb_session *session, const void *key
 extern void *afb_session_cookie(struct afb_session *session, const void *key, void *(*makecb)(void *closure), void (*freecb)(void *item), void *closure, int replace);
 extern int afb_session_set_cookie(struct afb_session *session, const void *key, void *value, void (*freecb)(void*));
 
+extern int afb_session_set_language(struct afb_session *session, const char *lang);
+extern const char *afb_session_get_language(struct afb_session *session, const char *lang);