View Source MdnsLite.Cache (mdns_lite v0.8.11)

Cache for records received over mDNS

Summary

Types

t()
timestamp()

Timestamp in seconds (assumed monotonic)

Functions

gc(cache, time)

Remove any expired entries

insert(cache, time, record)

Insert a record into the cache

insert_many(cache, time, records)

Insert several record into the cache

new()

Start an empty cache

query(cache, query)

Run a query against the cache

Types

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t()

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@type t() :: %MdnsLite.Cache{last_gc: timestamp(), records: [MdnsLite.DNS.dns_rr()]}
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timestamp()

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@type timestamp() :: integer()

Timestamp in seconds (assumed monotonic)

Functions

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gc(cache, time)

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@spec gc(t(), timestamp()) :: t()

Remove any expired entries

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insert(cache, time, record)

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@spec insert(t(), timestamp(), MdnsLite.DNS.dns_rr()) :: t()

Insert a record into the cache

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insert_many(cache, time, records)

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@spec insert_many(t(), timestamp(), [MdnsLite.DNS.dns_rr()]) :: t()

Insert several record into the cache

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new()

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@spec new() :: %MdnsLite.Cache{last_gc: -2_147_483_648, records: []}

Start an empty cache

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query(cache, query)

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@spec query(t(), MdnsLite.DNS.dns_query()) :: %{
  answer: [MdnsLite.DNS.dns_rr()],
  additional: [MdnsLite.DNS.dns_rr()]
}

Run a query against the cache

IMPORTANT: The cache is not garbage collected, so it can return stale entries. Call gc/2 first to expire old entries.