rewrite of authentication/accounting procedures

This patch gets rid of synchronuos style of authentication/accounting.
Synchronous style of authentication/accounting produced sleeping threads
which becomes a problem when lots of sessions started/stopped and all they want authorization/accounting.

1 files changed, 7 insertions, 5 deletions

diff --git a/accel-pppd/pwdb.h b/accel-pppd/pwdb.h
index f7d62d6a..7618bbc6 100644
--- a/accel-pppd/pwdb.h
+++ b/accel-pppd/pwdb.h
@@ -12,16 +12,18 @@ struct ap_session;
 
 #define PWDB_SUCCESS 0
 #define PWDB_DENIED  1
-#define PWDB_NO_IMPL 2
+#define PWDB_WAIT 2
+#define PWDB_NO_IMPL 3
 
-struct pwdb_t
-{
+typedef void (*pwdb_callback)(void *arg, int res);
+
+struct pwdb_t {
 	struct list_head entry;
-	int (*check)(struct pwdb_t *, struct ap_session *, const char *username, int type, va_list args);
+	int (*check)(struct pwdb_t *, struct ap_session *, pwdb_callback cb, void *cb_arg, const char *username, int type, va_list args);
 	char* (*get_passwd)(struct pwdb_t *, struct ap_session *, const char *username);
 };
 
-int pwdb_check(struct ap_session *, const char *username, int type, ...);
+int pwdb_check(struct ap_session *, pwdb_callback cb, void *cb_arg, const char *username, int type, ...);
 char *pwdb_get_passwd(struct ap_session *, const char *username);
 
 void pwdb_register(struct pwdb_t *);