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mkstatichdtbl.py
36 строк
909 B
Tatsuhiro Tsujikawa
Update document reference
29 дек 2020, 11:35
29 дек 2020, 11:35
28ba0b3
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#!/usr/bin/env python3 # -*- coding: utf-8 -*- # This scripts reads static table entries [1] and generates # nghttp2_hd_static_entry table. This table is used in # lib/nghttp2_hd.c. # # [1] https://httpwg.org/specs/rfc7541.html import re, sys def hd_map_hash(name): h = 2166136261 # FNV hash variant: http://isthe.com/chongo/tech/comp/fnv/ for c in name: h ^= ord(c) h *= 16777619 h &= 0xffffffff return h entries = [] for line in sys.stdin: m = re.match(r'(\d+)\s+(\S+)\s+(\S.*)?', line) val = m.group(3).strip() if m.group(3) else '' entries.append((int(m.group(1)), m.group(2), val)) print('static nghttp2_hd_entry static_table[] = {') idx = 0 for i, ent in enumerate(entries): if entries[idx][1] != ent[1]: idx = i print('MAKE_STATIC_ENT("{}", "{}", {}, {}u),'\ .format(ent[1], ent[2], entries[idx][0] - 1, hd_map_hash(ent[1]))) print('};')