void afb_session_init (int max_session_count, int timeout, const char *initok)
{
// let's create as store as hashtable does not have any
- sessions.store = calloc (1 + (unsigned)max_session_count, sizeof(struct afb_session));
+ sessions.store = calloc (1 + (unsigned)max_session_count, sizeof *sessions.store);
pthread_mutex_init(&sessions.mutex, NULL);
sessions.max = max_session_count;
sessions.timeout = timeout;
}
}
+const char *afb_session_initial_token()
+{
+ return sessions.initok;
+}
+
static struct afb_session *search (const char* uuid)
{
int idx;
/* search for an existing one not too old */
if (uuid != NULL) {
session = search(uuid);
+ if (!created)
+ return session;
if (session != NULL) {
*created = 0;
session->access = now;
}
}
- *created = 1;
+ if (created)
+ *created = 1;
+
return make_session(uuid, sessions.timeout, now);
}
return session->token;
}
-static struct cookie *cookie_search(struct afb_session *session, const void *key, int *idx)
-{
- struct cookie *cookie;
-
- cookie = session->cookies[*idx = cookeyidx(key)];
- while(cookie != NULL && cookie->key != key)
- cookie = cookie->next;
- return cookie;
-}
-
-static struct cookie *cookie_add(struct afb_session *session, int idx, const void *key, void *value, void (*freecb)(void*))
-{
- struct cookie *cookie;
-
- cookie = malloc(sizeof *cookie);
- if (!cookie)
- errno = ENOMEM;
- else {
- cookie->key = key;
- cookie->value = value;
- cookie->freecb = freecb;
- cookie->next = session->cookies[idx];
- session->cookies[idx] = cookie;
- }
- return cookie;
-}
-
-void *afb_session_cookie(struct afb_session *session, const void *key, void *(*makecb)(void), void (*freecb)(void*))
+void *afb_session_cookie(struct afb_session *session, const void *key, void *(*makecb)(void *closure), void (*freecb)(void *item), void *closure, int replace)
{
int idx;
void *value;
struct cookie *cookie;
+ idx = cookeyidx(key);
lock(session);
- cookie = cookie_search(session, key, &idx);
- if (cookie)
- value = cookie->value;
- else {
- value = makecb ? makecb() : NULL;
- if (makecb || freecb) {
- cookie = cookie_add(session, idx, key, value, freecb);
- if (!cookie) {
- if (makecb && freecb)
- free(value);
- value = NULL;
+ cookie = session->cookies[idx];
+ for (;;) {
+ if (!cookie) {
+ value = makecb ? makecb(closure) : closure;
+ if (replace || makecb || freecb) {
+ cookie = malloc(sizeof *cookie);
+ if (!cookie) {
+ errno = ENOMEM;
+ if (freecb)
+ freecb(value);
+ value = NULL;
+ } else {
+ cookie->key = key;
+ cookie->value = value;
+ cookie->freecb = freecb;
+ cookie->next = session->cookies[idx];
+ session->cookies[idx] = cookie;
+ }
+ }
+ break;
+ } else if (cookie->key == key) {
+ if (!replace)
+ value = cookie->value;
+ else {
+ value = makecb ? makecb(closure) : closure;
+ if (cookie->value != value && cookie->freecb)
+ cookie->freecb(cookie->value);
+ cookie->value = value;
+ cookie->freecb = freecb;
}
+ break;
+ } else {
+ cookie = cookie->next;
}
}
unlock(session);
void *afb_session_get_cookie(struct afb_session *session, const void *key)
{
- int idx;
- void *value;
- struct cookie *cookie;
-
- lock(session);
- cookie = cookie_search(session, key, &idx);
- value = cookie ? cookie->value : NULL;
- unlock(session);
- return value;
+ return afb_session_cookie(session, key, NULL, NULL, NULL, 0);
}
int afb_session_set_cookie(struct afb_session *session, const void *key, void *value, void (*freecb)(void*))
{
- int idx;
- struct cookie *cookie;
-
- lock(session);
- cookie = cookie_search(session, key, &idx);
- if (!cookie)
- cookie = cookie_add(session, idx, key, value, freecb);
- else {
- if (cookie->value != value && cookie->freecb)
- cookie->freecb(cookie->value);
- cookie->value = value;
- cookie->freecb = freecb;
- }
- unlock(session);
- return -!cookie;
+ return -(value != afb_session_cookie(session, key, NULL, freecb, value, 1));
}