From: Guus Sliepen <guus@tinc-vpn.org>
Date: Thu, 27 Jul 2017 08:06:13 +0000 (+0200)
Subject: Forward-port tinc 1.0's handling of device errors.
X-Git-Tag: release-1.1pre15~9
X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=e4544dbc6989e4a146c19519924e52c116bfc343

Forward-port tinc 1.0's handling of device errors.
---

diff --git a/src/net_packet.c b/src/net_packet.c
index 71f02a1e..ed04a85d 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -1573,10 +1573,19 @@ void handle_device_data(void *data, int flags) {
 	vpn_packet_t packet;
 	packet.offset = DEFAULT_PACKET_OFFSET;
 	packet.priority = 0;
+	static int errors = 0;
 
 	if(devops.read(&packet)) {
+		errors = 0;
 		myself->in_packets++;
 		myself->in_bytes += packet.len;
 		route(myself, &packet);
+	} else {
+		usleep(errors * 50000);
+		errors++;
+		if(errors > 10) {
+			logger(DEBUG_ALWAYS, LOG_ERR, "Too many errors from %s, exiting!", device);
+			event_exit();
+		}
 	}
 }