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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2017-02-12 15:38:51 -0500 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2017-02-12 15:38:51 -0500 |
| commit | 01c901e257521a7a3ff6fc5945a3e5a4a7409a94 (patch) | |
| tree | 5cddf7c13988f6e96ef18fa7638e35dce0e26c8e /src/resolve/resolved-dns-transaction.h | |
| parent | 9606bc4b4b09a4d1bff3f047d5ca5ac4cf3fe073 (diff) | |
| parent | fa8b44999406ace5f44376c1be1c75edfdde5a03 (diff) | |
Merge pull request #4832 from rojkov/mdns
Diffstat (limited to 'src/resolve/resolved-dns-transaction.h')
| -rw-r--r-- | src/resolve/resolved-dns-transaction.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-transaction.h b/src/resolve/resolved-dns-transaction.h index 5a1df70422..c4fb51958d 100644 --- a/src/resolve/resolved-dns-transaction.h +++ b/src/resolve/resolved-dns-transaction.h @@ -78,6 +78,8 @@ struct DnsTransaction { bool clamp_ttl:1; + bool probing:1; + DnsPacket *sent, *received; DnsAnswer *answer; @@ -172,10 +174,20 @@ DnsTransactionSource dns_transaction_source_from_string(const char *s) _pure_; #define MDNS_JITTER_MIN_USEC (20 * USEC_PER_MSEC) #define MDNS_JITTER_RANGE_USEC (100 * USEC_PER_MSEC) +/* mDNS probing interval, see RFC 6762 Section 8.1 */ +#define MDNS_PROBING_INTERVAL_USEC (250 * USEC_PER_MSEC) + /* Maximum attempts to send DNS requests, across all DNS servers */ #define DNS_TRANSACTION_ATTEMPTS_MAX 16 /* Maximum attempts to send LLMNR requests, see RFC 4795 Section 2.7 */ #define LLMNR_TRANSACTION_ATTEMPTS_MAX 3 -#define TRANSACTION_ATTEMPTS_MAX(p) ((p) == DNS_PROTOCOL_LLMNR ? LLMNR_TRANSACTION_ATTEMPTS_MAX : DNS_TRANSACTION_ATTEMPTS_MAX) +/* Maximum attempts to send MDNS requests, see RFC 6762 Section 8.1 */ +#define MDNS_TRANSACTION_ATTEMPTS_MAX 3 + +#define TRANSACTION_ATTEMPTS_MAX(p) (((p) == DNS_PROTOCOL_LLMNR) ? \ + LLMNR_TRANSACTION_ATTEMPTS_MAX : \ + (((p) == DNS_PROTOCOL_MDNS) ? \ + MDNS_TRANSACTION_ATTEMPTS_MAX : \ + DNS_TRANSACTION_ATTEMPTS_MAX)) |