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| author | Lennart Poettering <lennart@poettering.net> | 2020-11-16 21:04:11 +0100 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-02-18 20:34:18 +0100 |
| commit | f715584018752950c45b79325e4a5a4a9a29db1c (patch) | |
| tree | 2f49eecfbfea46950893c4007b24d9a12a7d53ee | |
| parent | Merge pull request #18679 from keszybz/rfkill-size-leniency (diff) | |
| download | systemd-f715584018752950c45b79325e4a5a4a9a29db1c.tar.xz systemd-f715584018752950c45b79325e4a5a4a9a29db1c.zip | |
resolved: improve debug logging on incoming messages a bit
| -rw-r--r-- | src/resolve/resolved-dns-transaction.c | 6 | ||||
| -rw-r--r-- | src/resolve/resolved-manager.c | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index 260ce76b98..e337012351 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -1046,7 +1046,8 @@ void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p, bool encrypt * should hence not attempt to access the query or transaction * after calling this function. */ - log_debug("Processing incoming packet on transaction %" PRIu16" (rcode=%s).", + log_debug("Processing incoming packet of size %zu on transaction %" PRIu16" (rcode=%s).", + p->size, t->id, dns_rcode_to_string(DNS_PACKET_RCODE(p))); switch (t->scope->protocol) { @@ -1211,7 +1212,8 @@ void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p, bool encrypt * servers often do not implement TCP, hence falling back to TCP on fragmentation is * counter-productive there.) */ - log_debug("Reply fragmented, retrying via TCP."); + log_debug("Reply fragmented, retrying via TCP. (Largest fragment size: %zu; Datagram size: %zu)", + p->fragsize, p->size); retry_with_tcp = true; } } diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c index fc5f8c79d3..2ed9f2d47b 100644 --- a/src/resolve/resolved-manager.c +++ b/src/resolve/resolved-manager.c @@ -926,8 +926,10 @@ int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret) { p->ifindex = manager_find_ifindex(m, p->family, &p->destination); } - *ret = TAKE_PTR(p); + log_debug("Received %s UDP packet of size %zu, ifindex=%i, ttl=%i, fragsize=%zu", + dns_protocol_to_string(protocol), p->size, p->ifindex, p->ttl, p->fragsize); + *ret = TAKE_PTR(p); return 1; } |