Add simple non-response-based question parsing for mDNS passive listening

net/dns/dns_response.h

Index: net/dns/dns_response.h
diff --git a/net/dns/dns_response.h b/net/dns/dns_response.h
index 78fb73571028ad6fa3e47d2f81eaf1516e373372..587065eb0726fb4e3e60fa86f8dffad53adde9b5 100644
--- a/net/dns/dns_response.h
+++ b/net/dns/dns_response.h
@@ -67,6 +67,9 @@ class NET_EXPORT_PRIVATE DnsRecordParser {
   // Parses the next resource record into |record|. Returns true if succeeded.
   bool ReadRecord(DnsResourceRecord* record);
 
+  // Skip a question section

[szym, 2013/04/18 19:12:34]

"Returns true if succeeded".

nit: '.' at the end of a sentence.

[Noam Samuel, 2013/04/19 22:13:23]

Done.

+  bool SkipQuestion();
+
  private:
   const char* packet_;
   size_t length_;
@@ -115,6 +118,10 @@ class NET_EXPORT_PRIVATE DnsResponse {
   // packet matches the |query| id and question.
   bool InitParse(int nbytes, const DnsQuery& query);
 
+  // Assuming the internal buffer holds |nbytes| bytes, initialize the parser
+  // without matching it against an existing query.
+  bool InitParseWithoutQuery(int nbytes);
+
   // Returns true if response is valid, that is, after successful InitParse.
   bool IsValid() const;
 
@@ -158,3 +165,4 @@ class NET_EXPORT_PRIVATE DnsResponse {
 }  // namespace net
 
 #endif  // NET_DNS_DNS_RESPONSE_H_
+

[szym, 2013/04/18 19:12:34]

Remove the line. Lint might erroneously complain.

[Noam Samuel, 2013/04/19 22:13:23]

Done.