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https://gitee.com/openharmony/third_party_nghttp2
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37 lines
909 B
Python
Executable File
37 lines
909 B
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# This scripts reads static table entries [1] and generates
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# nghttp2_hd_static_entry table. This table is used in
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# lib/nghttp2_hd.c.
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#
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# [1] https://httpwg.org/specs/rfc7541.html
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import re, sys
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def hd_map_hash(name):
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h = 2166136261
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# FNV hash variant: http://isthe.com/chongo/tech/comp/fnv/
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for c in name:
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h ^= ord(c)
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h *= 16777619
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h &= 0xffffffff
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return h
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entries = []
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for line in sys.stdin:
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m = re.match(r'(\d+)\s+(\S+)\s+(\S.*)?', line)
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val = m.group(3).strip() if m.group(3) else ''
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entries.append((int(m.group(1)), m.group(2), val))
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print('static nghttp2_hd_entry static_table[] = {')
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idx = 0
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for i, ent in enumerate(entries):
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if entries[idx][1] != ent[1]:
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idx = i
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print('MAKE_STATIC_ENT("{}", "{}", {}, {}u),'\
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.format(ent[1], ent[2], entries[idx][0] - 1, hd_map_hash(ent[1])))
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print('};')
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