afb-session: Add function to enumerate sessions

[src/app-framework-binder.git] / src / afb-session.c

diff --git a/src/afb-session.c b/src/afb-session.c
index 88d5b0d..17ca7af 100644 (file)
--- a/src/afb-session.c
+++ b/src/afb-session.c
@@ -29,6 +29,7 @@
 #include <json-c/json.h>
 
 #include "afb-session.h"
+#include "afb-hook.h"
 #include "verbose.h"
 
 #define SIZEUUID       37
@@ -189,9 +190,13 @@ static void session_close(struct afb_session *session)
 
        /* close only one time */
        if (!session->closed) {
+               /* close it now */
                session->closed = 1;
 
-               /* free cookies */
+               /* emit the hook */
+               afb_hook_session_close(session);
+
+               /* release cookies */
                for (idx = 0 ; idx < COOKIECOUNT ; idx++) {
                        while ((cookie = session->cookies[idx])) {
                                session->cookies[idx] = cookie->next;
@@ -206,6 +211,7 @@ static void session_close(struct afb_session *session)
 /* destroy the 'session' */
 static void session_destroy (struct afb_session *session)
 {
+       afb_hook_session_destroy(session);
        pthread_mutex_destroy(&session->mutex);
        free(session);
 }
@@ -271,6 +277,8 @@ static struct afb_session *session_add(const char *uuid, int timeout, time_t now
                return NULL;
        }
 
+       afb_hook_session_create(session);
+
        return session;
 }
 
@@ -338,6 +346,28 @@ int afb_session_init (int max_session_count, int timeout, const char *initok)
        return 0;
 }
 
+/**
+ * Iterate the sessions and call 'callback' with
+ * the 'closure' for each session.
+ */
+void afb_session_foreach(void (*callback)(void *closure, struct afb_session *session), void *closure)
+{
+       struct afb_session *session;
+       int idx;
+
+       /* Loop on Sessions Table and remove anything that is older than timeout */
+       sessionset_lock();
+       for (idx = 0 ; idx < HEADCOUNT; idx++) {
+               session = sessions.heads[idx];
+               while (session) {
+                       if (!session->closed)
+                               callback(closure, session);
+                       session = session->next;
+               }
+       }
+       sessionset_unlock();
+}
+
 /**
  * Cleanup the sessionset of its closed or expired sessions
  */
@@ -419,8 +449,11 @@ end:
 /* increase the use count on 'session' (can be NULL) */
 struct afb_session *afb_session_addref(struct afb_session *session)
 {
-       if (session != NULL)
-               __atomic_add_fetch(&session->refcount, 1, __ATOMIC_RELAXED);
+       if (session != NULL) {
+               afb_hook_session_addref(session);
+               session->refcount++;
+               session_unlock(session);
+       }
        return session;
 }
 
@@ -431,7 +464,8 @@ void afb_session_unref(struct afb_session *session)
                return;
 
        session_lock(session);
-       if (!__atomic_sub_fetch(&session->refcount, 1, __ATOMIC_RELAXED)) {
+       afb_hook_session_unref(session);
+       if (--session->refcount) {
                if (session->autoclose)
                        session_close(session);
                if (session->notinset) {
@@ -489,11 +523,11 @@ int afb_session_check_token (struct afb_session *session, const char *token)
 /* generate a new token and update client context */
 void afb_session_new_token (struct afb_session *session)
 {
-       /* Old token was valid let's regenerate a new one */
+       session_unlock(session);
        new_uuid(session->token);
-
-       /* keep track of time for session timeout and further clean up */
        session_update_expiration(session, NOW);
+       afb_hook_session_renew(session);
+       session_unlock(session);
 }
 
 /* Returns the uuid of 'session' */