radius: fixed invalid behaviour when route to radius server is not existing

2 files changed, 12 insertions, 3 deletions

diff --git a/accel-pppd/radius/req.c b/accel-pppd/radius/req.c
index b09b880..b6c4cf0 100644
--- a/accel-pppd/radius/req.c
+++ b/accel-pppd/radius/req.c
@@ -313,7 +313,7 @@ int __rad_req_send(struct rad_req_t *req, int async)
 	}
 
 	if (req->hnd.fd == -1 && make_socket(req))
-		return -1;
+		return -2;
 
 	if (req->before_send && req->before_send(req))
 		goto out_err;
diff --git a/accel-pppd/radius/serv.c b/accel-pppd/radius/serv.c
index 7372fdc..64db6cd 100644
--- a/accel-pppd/radius/serv.c
+++ b/accel-pppd/radius/serv.c
@@ -227,8 +227,17 @@ int rad_server_req_enter(struct rad_req_t *req)
 
 	if (req->send) {
 		r = req->send(req, 0);
-		if (r)
-			req->active = 0;
+		if (r) {
+			if (r == -2) {
+				req->active = 0;
+				pthread_mutex_lock(&req->serv->lock);
+				req->serv->req_cnt--;
+				pthread_mutex_unlock(&req->serv->lock);
+
+				rad_server_fail(req->serv);
+			} else
+				rad_server_req_exit(req);
+		}
 	}
 
 	return r;