Merge pull request #841 from teg/resolved-exponential-resend

resolved: exponential backoff of packet resend

1 files changed, 6 insertions, 0 deletions

diff --git a/src/resolve/resolved-dns-scope.h b/src/resolve/resolved-dns-scope.h
index 29479ad550..b2dac86b44 100644
--- a/src/resolve/resolved-dns-scope.h
+++ b/src/resolve/resolved-dns-scope.h
@@ -57,6 +57,9 @@ struct DnsScope {
 
         RateLimit ratelimit;
 
+        usec_t resend_timeout;
+        usec_t max_rtt;
+
         LIST_HEAD(DnsTransaction, transactions);
 
         LIST_FIELDS(DnsScope, scopes);
@@ -65,6 +68,9 @@ struct DnsScope {
 int dns_scope_new(Manager *m, DnsScope **ret, Link *l, DnsProtocol p, int family);
 DnsScope* dns_scope_free(DnsScope *s);
 
+void dns_scope_packet_received(DnsScope *s, usec_t rtt);
+void dns_scope_packet_lost(DnsScope *s, usec_t usec);
+
 int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p);
 int dns_scope_tcp_socket(DnsScope *s, int family, const union in_addr_union *address, uint16_t port, DnsServer **server);
 int dns_scope_udp_dns_socket(DnsScope *s, DnsServer **server);