diff options
author | Lennart Poettering <lennart@poettering.net> | 2015-12-18 19:42:02 +0100 |
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committer | Lennart Poettering <lennart@poettering.net> | 2015-12-18 19:42:02 +0100 |
commit | 2615691003b9d73a92590b8250a54ad135e3a33b (patch) | |
tree | 5ef86ad13659679b393840fd3000dc2754229e65 /src | |
parent | d2579eec5e1b845b2cf29caddc951dc22f2abb91 (diff) |
resolved: add a call that dumps the contents of a DnsAnswer structure
This is not used anywhere, but it's extremely useful when debugging.
Diffstat (limited to 'src')
-rw-r--r-- | src/resolve/resolved-dns-answer.c | 37 | ||||
-rw-r--r-- | src/resolve/resolved-dns-answer.h | 2 |
2 files changed, 39 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-answer.c b/src/resolve/resolved-dns-answer.c index fa0e026ea7..70577453e8 100644 --- a/src/resolve/resolved-dns-answer.c +++ b/src/resolve/resolved-dns-answer.c @@ -639,3 +639,40 @@ int dns_answer_reserve_or_clone(DnsAnswer **a, unsigned n_free) { return 0; } + +void dns_answer_dump(DnsAnswer *answer, FILE *f) { + DnsResourceRecord *rr; + DnsAnswerFlags flags; + int ifindex, r; + + if (!f) + f = stdout; + + DNS_ANSWER_FOREACH_FULL(rr, ifindex, flags, answer) { + _cleanup_free_ char *t = NULL; + + fputc('\t', f); + + r = dns_resource_record_to_string(rr, &t); + if (r < 0) { + log_oom(); + continue; + } + + fputs(t, f); + + if (ifindex != 0 || flags & (DNS_ANSWER_AUTHENTICATED|DNS_ANSWER_CACHEABLE|DNS_ANSWER_SHARED_OWNER)) + fputs("\t;", f); + + if (ifindex != 0) + printf(" ifindex=%i", ifindex); + if (flags & DNS_ANSWER_AUTHENTICATED) + fputs(" authenticated", f); + if (flags & DNS_ANSWER_CACHEABLE) + fputs(" cachable", f); + if (flags & DNS_ANSWER_SHARED_OWNER) + fputs(" shared-owner", f); + + fputc('\n', f); + } +} diff --git a/src/resolve/resolved-dns-answer.h b/src/resolve/resolved-dns-answer.h index 29d6636e68..28ded3b252 100644 --- a/src/resolve/resolved-dns-answer.h +++ b/src/resolve/resolved-dns-answer.h @@ -84,6 +84,8 @@ static inline unsigned dns_answer_size(DnsAnswer *a) { return a ? a->n_rrs : 0; } +void dns_answer_dump(DnsAnswer *answer, FILE *f); + DEFINE_TRIVIAL_CLEANUP_FUNC(DnsAnswer*, dns_answer_unref); #define _DNS_ANSWER_FOREACH(q, kk, a) \ |