Resolver improvements (!329) · Merge requests · Knot projects / Knot DNS · GitLab

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Ghost User requested to merge resolver_improvements into master Feb 03, 2015

Summary:

requestor: fixed connected UDP sockets (not used in authoritative)
requestor: connects only if layers generate an answer (this saves connect() if a query can be satisfied from cache)
namedb: track full mapsize (ENOSPC)
namedb: memory reservation on insert (saves one alloc and memset)
packet: don't prealloc rrsets, allocate them from the packet mempool (not usable in resolver, as each request usually needs multiple queries)