l2tp: move hello messages to debug log level

accel-pptpd/ctrl/l2tp/l2tp.c

@@ -99,7 +99,7 @@ static void l2tp_timeout(struct triton_timer_t *t);
 static void l2tp_rtimeout(struct triton_timer_t *t);
 static void l2tp_send_HELLO(struct triton_timer_t *t);
 static void l2tp_send_SCCRP(struct l2tp_conn_t *conn);
-static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack);
+static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack, int log_debug);
 static int l2tp_conn_read(struct triton_md_handler_t *);
 
 static void l2tp_disconnect(struct l2tp_conn_t *conn)
@@ -173,7 +173,7 @@ static int l2tp_terminate(struct l2tp_conn_t *conn, int res, int err)
 	if (l2tp_packet_add_octets(pack, Result_Code, (uint8_t *)&rc, sizeof(rc), 0))
 		goto out_err;
 
-	l2tp_send(conn, pack);
+	l2tp_send(conn, pack, 0);
 
 	conn->state = STATE_FIN;
 
@@ -352,7 +352,7 @@ static int l2tp_tunnel_alloc(struct l2tp_serv_t *serv, struct l2tp_packet_t *pac
 	if (conf_verbose) {
 		log_switch(&conn->ctx, &conn->ppp);
 		log_ppp_info("recv ");
-		l2tp_packet_print(pack);
+		l2tp_packet_print(pack, log_ppp_info);
 	}
 
 	triton_context_call(&conn->ctx, (triton_event_func)l2tp_send_SCCRP, conn);
@@ -438,8 +438,8 @@ static void l2tp_rtimeout(struct triton_timer_t *t)
 			pack = list_entry(conn->send_queue.next, typeof(*pack), entry);
 			pack->hdr.Nr = htons(conn->Nr + 1);
 			if (conf_verbose) {
-				log_ppp_info("send ");
-				l2tp_packet_print(pack);
+				log_ppp_debug("send ");
+				l2tp_packet_print(pack, log_ppp_debug);
 			}
 			if (l2tp_packet_send(conn->hnd.fd, pack) == 0)
 				return;
@@ -455,7 +455,7 @@ static void l2tp_timeout(struct triton_timer_t *t)
 	l2tp_disconnect(conn);
 }
 
-static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack, int log_debug)
 {
 	conn->retransmit = 0;
 
@@ -468,8 +468,13 @@ static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
 		conn->Ns++;
 
 	if (conf_verbose) {
-		log_ppp_info("send ");
-		l2tp_packet_print(pack);
+		if (log_debug) {
+			log_ppp_debug("send ");
+			l2tp_packet_print(pack, log_ppp_debug);
+		} else {
+			log_ppp_info("send ");
+			l2tp_packet_print(pack, log_ppp_info);
+		}
 	}
 
 	if (l2tp_packet_send(conn->hnd.fd, pack))
@@ -497,7 +502,7 @@ static int l2tp_send_ZLB(struct l2tp_conn_t *conn)
 	if (!pack)
 		return -1;
 
-	if (l2tp_send(conn, pack))
+	if (l2tp_send(conn, pack, 1))
 		return -1;
 
 	return 0;
@@ -514,7 +519,7 @@ static void l2tp_send_HELLO(struct triton_timer_t *t)
 		return;
 	}
 
-	if (l2tp_send(conn, pack))
+	if (l2tp_send(conn, pack, 1))
 		l2tp_disconnect(conn);
 }
 
@@ -535,7 +540,7 @@ static void l2tp_send_SCCRP(struct l2tp_conn_t *conn)
 	if (l2tp_packet_add_int16(pack, Assigned_Tunnel_ID, conn->tid, 1))
 		goto out_err;
 
-	if (l2tp_send(conn, pack))
+	if (l2tp_send(conn, pack, 0))
 		goto out;
 
 	if (!conn->timeout_timer.tpd)
@@ -566,7 +571,7 @@ static int l2tp_send_ICRP(struct l2tp_conn_t *conn)
 	if (l2tp_packet_add_int16(pack, Assigned_Session_ID, conn->sid, 1))
 		goto out_err;
 
-	l2tp_send(conn, pack);
+	l2tp_send(conn, pack, 0);
 
 	if (!conn->timeout_timer.tpd)
 		triton_timer_add(&conn->ctx, &conn->timeout_timer, 0);
@@ -607,7 +612,7 @@ static int l2tp_send_OCRQ(struct l2tp_conn_t *conn)
 	if (l2tp_packet_add_string(pack, Called_Number, "", 1))
 		goto out_err;
 
-	if (l2tp_send(conn, pack))
+	if (l2tp_send(conn, pack, 0))
 		return -1;
 
 	if (!conn->timeout_timer.tpd)
@@ -866,11 +871,6 @@ static int l2tp_conn_read(struct triton_md_handler_t *h)
 			continue;
 		}
 
-		if (conf_verbose) {
-			log_ppp_info("recv ");
-			l2tp_packet_print(pack);
-		}
-
 		if (ntohs(pack->hdr.Ns) == conn->Nr + 1) {
 			if (!list_empty(&pack->attrs))
 				conn->Nr++;
@@ -912,6 +912,16 @@ static int l2tp_conn_read(struct triton_md_handler_t *h)
 			goto drop;
 		}
 
+		if (conf_verbose) {
+			if (msg_type->val.uint16 == Message_Type_Hello) {
+				log_ppp_debug("recv ");
+				l2tp_packet_print(pack, log_ppp_debug);
+			} else {
+				log_ppp_info("recv ");
+				l2tp_packet_print(pack, log_ppp_info);
+			}
+		}
+
 		switch (msg_type->val.uint16) {
 			case Message_Type_Start_Ctrl_Conn_Connected:
 				if (l2tp_recv_SCCCN(conn, pack))
@@ -1014,7 +1024,7 @@ static int l2tp_udp_read(struct triton_md_handler_t *h)
 		else {
 			if (conf_verbose) {
 				log_warn("recv (unexpected) ");
-				l2tp_packet_print(pack);
+				l2tp_packet_print(pack, log_ppp_warn);
 			}
 		}
 skip:

accel-pptpd/ctrl/l2tp/l2tp.h

@@ -73,7 +73,7 @@ struct l2tp_dict_value_t *l2tp_dict_find_value(struct l2tp_dict_attr_t *attr, l2
 
 int l2tp_recv(int fd, struct l2tp_packet_t **);
 void l2tp_packet_free(struct l2tp_packet_t *);
-void l2tp_packet_print(struct l2tp_packet_t *);
+void l2tp_packet_print(struct l2tp_packet_t *, void (*print)(const char *fmt, ...));
 struct l2tp_packet_t *l2tp_packet_alloc(int ver, int msg_type, struct sockaddr_in *addr);
 int l2tp_packet_send(int sock, struct l2tp_packet_t *);
 int l2tp_packet_add_int16(struct l2tp_packet_t *pack, int id, int16_t val, int M);

accel-pptpd/ctrl/l2tp/packet.c

@@ -19,40 +19,41 @@ static mempool_t attr_pool;
 static mempool_t pack_pool;
 static mempool_t buf_pool;
 
-void l2tp_packet_print(struct l2tp_packet_t *pack)
+void l2tp_packet_print(struct l2tp_packet_t *pack, void (*print)(const char *fmt, ...))
 {
 	struct l2tp_attr_t *attr;
 	struct l2tp_dict_value_t *val;
 
-	if (pack->hdr.ver == 2)
-		log_ppp_info("[L2TP tid=%i sid=%i Ns=%i Nr=%i",
-			ntohs(pack->hdr.tid), ntohs(pack->hdr.sid), ntohs(pack->hdr.Ns), ntohs(pack->hdr.Nr));
-	else
-		log_ppp_info("[L2TP cid=%u Ns=%i Nr=%i",
-			pack->hdr.cid, pack->hdr.Ns, pack->hdr.Nr);
+	if (pack->hdr.ver == 2) {
+		print("[L2TP tid=%i sid=%i", ntohs(pack->hdr.tid), ntohs(pack->hdr.sid));
+		log_ppp_debug(" Ns=%i Nr=%i", ntohs(pack->hdr.Ns), ntohs(pack->hdr.Nr));
+	} else {
+		print("[L2TP cid=%u", pack->hdr.cid);
+		log_ppp_debug(" Ns=%i Nr=%i", ntohs(pack->hdr.Ns), ntohs(pack->hdr.Nr));
+	}
 
 	list_for_each_entry(attr, &pack->attrs, entry) {
-		log_ppp_info(" <%s", attr->attr->name);
+		print(" <%s", attr->attr->name);
 		val = l2tp_dict_find_value(attr->attr, attr->val);
 		if (val)
-			log_ppp_info(" %s", val->name);
+			print(" %s", val->name);
 		else {
 			switch (attr->attr->type) {
 				case ATTR_TYPE_INT16:
-					log_ppp_info(" %i", attr->val.int16);
+					print(" %i", attr->val.int16);
 					break;
 				case ATTR_TYPE_INT32:
-					log_ppp_info(" %i", attr->val.int32);
+					print(" %i", attr->val.int32);
 					break;
 				case ATTR_TYPE_STRING:
-					log_ppp_info(" %s", attr->val.string);
+					print(" %s", attr->val.string);
 					break;
 			}
 		}
-		log_ppp_info(">");
+		print(">");
 	}
 
-	log_ppp_info("]\n");
+	print("]\n");
 }
 
 struct l2tp_packet_t *l2tp_packet_alloc(int ver, int msg_type, struct sockaddr_in *addr)