net/dns/dns_protocol.h - Issue 14697022: Cache for mDNS records

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Unified Diff: net/dns/dns_protocol.h

Issue 14697022: Cache for mDNS records (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@record_parsed_klassbit

Patch Set: Created 7 years, 7 months ago

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Index: net/dns/dns_protocol.h

diff --git a/net/dns/dns_protocol.h b/net/dns/dns_protocol.h

index 99563b5b6c50722001e1de62c07d99a451f2e3c0..b65f56dc2b52ccd0a0988b719dbc139da29ef831 100644

--- a/net/dns/dns_protocol.h

+++ b/net/dns/dns_protocol.h

@@ -90,6 +90,11 @@ static const uint8 kLabelPointer = 0xc0;

static const uint8 kLabelDirect = 0x0;

static const uint16 kOffsetMask = 0x3fff;

+// In MDns the most significant bit of the rrclass is designated as the

+// "cache-flush bit", as described in http://www.rfc-editor.org/rfc/rfc6762.txt

+// section 10.2.

+static const uint16 kMDnsClassMask = 0x7FFF;

static const int kMaxNameLength = 255;

// RFC 1035, section 4.2.1: Messages carried by UDP are restricted to 512

@@ -129,4 +134,3 @@ static const uint16 kFlagAA = 0x400;

} // namespace net

#endif // NET_DNS_DNS_PROTOCOL_H_

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