gazagnaire.org
mDNS/DNS-SD service discovery for OCaml (RFC 6762/6763)
fix(mdns): rename get_u16→u16 and make_query→query (E332)
Remove redundant prefixes from internal helpers and public API to
follow OCaml naming conventions.
+9
-9
lib/mdns.ml
+9
-9
lib/mdns.ml
···
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let empty = { ptrs = []; srvs = []; txts = []; addrs = []; addrs6 = [] }
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(* Binary helpers *)
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-
let get_u16 buf off = (Char.code buf.[off] lsl 8) lor Char.code buf.[off + 1]
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+
let u16 buf off = (Char.code buf.[off] lsl 8) lor Char.code buf.[off + 1]
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(* Collect labels from a DNS name, following compression pointers *)
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let collect_labels buf off =
···
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| b when b land 0xc0 = 0xc0 ->
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(* Compression pointer: need 2 bytes *)
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if off + 2 > len then acc
35
-
else loop (get_u16 buf off land 0x3fff) (followed + 1) acc
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+
else loop (u16 buf off land 0x3fff) (followed + 1) acc
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| b ->
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(* Label: need 1 + b bytes *)
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if off + 1 + b > len then acc
···
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let random_u16 () = Random.int 0x10000
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(* Create mDNS query using dns library *)
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-
let make_query name =
85
+
let query name =
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let header = (random_u16 (), Dns.Packet.Flags.empty) in
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Dns.Packet.create header
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(Dns.Packet.Question.create name Dns.Rr_map.Ptr)
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`Query
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let encode_query name =
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-
let pkt = make_query name in
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+
let pkt = query name in
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fst (Dns.Packet.encode `Udp pkt)
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(* Parse mDNS response *)
···
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let len = String.length buf in
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if len < 12 then None
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else
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-
let qdcount = get_u16 buf 4 in
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-
let rr_count = get_u16 buf 6 + get_u16 buf 8 + get_u16 buf 10 in
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+
let qdcount = u16 buf 4 in
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+
let rr_count = u16 buf 6 + u16 buf 8 + u16 buf 10 in
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let off = ref 12 in
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(* Skip question section with bounds checking *)
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for _ = 1 to qdcount do
···
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let off' = skip_name buf !off in
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(* Verify off' + 10 <= len before reading RR header *)
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if off' + 10 <= len then begin
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-
let typ = get_u16 buf off' in
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-
let rdlen = get_u16 buf (off' + 8) in
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+
let typ = u16 buf off' in
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+
let rdlen = u16 buf (off' + 8) in
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let rdata = off' + 10 in
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off := rdata + rdlen;
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(* Verify rdata region is within bounds *)
···
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let lo = String.get_int64_be buf (rdata + 8) in
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addrs6 := (name, Ipaddr.V6.of_int64 (hi, lo)) :: !addrs6
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| 33 when rdlen >= 6 ->
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-
let port = get_u16 buf (rdata + 4) in
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+
let port = u16 buf (rdata + 4) in
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let target =
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domain_of_labels (collect_labels buf (rdata + 6))
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in