Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 1 | #!/usr/bin/env python2.7 |
| 2 | |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | # Copyright 2015, Google Inc. |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 4 | # All rights reserved. |
| 5 | # |
| 6 | # Redistribution and use in source and binary forms, with or without |
| 7 | # modification, are permitted provided that the following conditions are |
| 8 | # met: |
| 9 | # |
| 10 | # * Redistributions of source code must retain the above copyright |
| 11 | # notice, this list of conditions and the following disclaimer. |
| 12 | # * Redistributions in binary form must reproduce the above |
| 13 | # copyright notice, this list of conditions and the following disclaimer |
| 14 | # in the documentation and/or other materials provided with the |
| 15 | # distribution. |
| 16 | # * Neither the name of Google Inc. nor the names of its |
| 17 | # contributors may be used to endorse or promote products derived from |
| 18 | # this software without specific prior written permission. |
| 19 | # |
| 20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | |
| 32 | import hashlib |
| 33 | import itertools |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 34 | import collections |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 35 | import os |
| 36 | import sys |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 37 | import subprocess |
| 38 | import re |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 39 | |
| 40 | # configuration: a list of either strings or 2-tuples of strings |
| 41 | # a single string represents a static grpc_mdstr |
| 42 | # a 2-tuple represents a static grpc_mdelem (and appropriate grpc_mdstrs will |
| 43 | # also be created) |
| 44 | |
| 45 | CONFIG = [ |
Craig Tiller | 47718a6 | 2016-11-14 14:48:42 -0800 | [diff] [blame] | 46 | # metadata strings |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 47 | 'grpc-timeout', |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 48 | 'grpc-internal-encoding-request', |
Makdharma | 178f4bc | 2016-08-24 15:16:53 -0700 | [diff] [blame] | 49 | 'grpc-payload-bin', |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 50 | ':path', |
| 51 | 'grpc-encoding', |
| 52 | 'grpc-accept-encoding', |
| 53 | 'user-agent', |
| 54 | ':authority', |
| 55 | 'host', |
| 56 | 'grpc-message', |
| 57 | 'grpc-status', |
David Garcia Quintas | 8eec9ec | 2016-08-01 17:05:04 -0700 | [diff] [blame] | 58 | 'grpc-tracing-bin', |
David Garcia Quintas | 98d5f5c | 2016-09-14 14:34:22 -0700 | [diff] [blame] | 59 | 'grpc-stats-bin', |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 60 | '', |
Craig Tiller | 47718a6 | 2016-11-14 14:48:42 -0800 | [diff] [blame] | 61 | # channel arg keys |
| 62 | 'grpc.wait_for_ready', |
| 63 | 'grpc.timeout', |
| 64 | 'grpc.max_request_message_bytes', |
| 65 | 'grpc.max_response_message_bytes', |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 66 | # well known method names |
| 67 | '/grpc.lb.v1.LoadBalancer/BalanceLoad', |
Craig Tiller | 47718a6 | 2016-11-14 14:48:42 -0800 | [diff] [blame] | 68 | # metadata elements |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 69 | ('grpc-status', '0'), |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 70 | ('grpc-status', '1'), |
| 71 | ('grpc-status', '2'), |
| 72 | ('grpc-encoding', 'identity'), |
| 73 | ('grpc-encoding', 'gzip'), |
| 74 | ('grpc-encoding', 'deflate'), |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 75 | ('te', 'trailers'), |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 76 | ('content-type', 'application/grpc'), |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 77 | (':method', 'POST'), |
| 78 | (':status', '200'), |
| 79 | (':status', '404'), |
| 80 | (':scheme', 'http'), |
| 81 | (':scheme', 'https'), |
| 82 | (':scheme', 'grpc'), |
| 83 | (':authority', ''), |
| 84 | (':method', 'GET'), |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 85 | (':method', 'PUT'), |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 86 | (':path', '/'), |
| 87 | (':path', '/index.html'), |
| 88 | (':status', '204'), |
| 89 | (':status', '206'), |
| 90 | (':status', '304'), |
| 91 | (':status', '400'), |
| 92 | (':status', '500'), |
| 93 | ('accept-charset', ''), |
| 94 | ('accept-encoding', ''), |
| 95 | ('accept-encoding', 'gzip, deflate'), |
| 96 | ('accept-language', ''), |
| 97 | ('accept-ranges', ''), |
| 98 | ('accept', ''), |
| 99 | ('access-control-allow-origin', ''), |
| 100 | ('age', ''), |
| 101 | ('allow', ''), |
| 102 | ('authorization', ''), |
| 103 | ('cache-control', ''), |
| 104 | ('content-disposition', ''), |
| 105 | ('content-encoding', ''), |
| 106 | ('content-language', ''), |
| 107 | ('content-length', ''), |
| 108 | ('content-location', ''), |
| 109 | ('content-range', ''), |
| 110 | ('content-type', ''), |
| 111 | ('cookie', ''), |
| 112 | ('date', ''), |
| 113 | ('etag', ''), |
| 114 | ('expect', ''), |
| 115 | ('expires', ''), |
| 116 | ('from', ''), |
| 117 | ('host', ''), |
| 118 | ('if-match', ''), |
| 119 | ('if-modified-since', ''), |
| 120 | ('if-none-match', ''), |
| 121 | ('if-range', ''), |
| 122 | ('if-unmodified-since', ''), |
| 123 | ('last-modified', ''), |
David Garcia Quintas | a3654db | 2016-10-11 15:52:39 -0700 | [diff] [blame] | 124 | ('lb-token', ''), |
David Garcia Quintas | d8fe334 | 2016-10-15 15:25:51 -0700 | [diff] [blame] | 125 | ('lb-cost-bin', ''), |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 126 | ('link', ''), |
| 127 | ('location', ''), |
| 128 | ('max-forwards', ''), |
| 129 | ('proxy-authenticate', ''), |
| 130 | ('proxy-authorization', ''), |
| 131 | ('range', ''), |
| 132 | ('referer', ''), |
| 133 | ('refresh', ''), |
| 134 | ('retry-after', ''), |
| 135 | ('server', ''), |
| 136 | ('set-cookie', ''), |
| 137 | ('strict-transport-security', ''), |
| 138 | ('transfer-encoding', ''), |
| 139 | ('user-agent', ''), |
| 140 | ('vary', ''), |
| 141 | ('via', ''), |
| 142 | ('www-authenticate', ''), |
| 143 | ] |
| 144 | |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 145 | COMPRESSION_ALGORITHMS = [ |
| 146 | 'identity', |
| 147 | 'deflate', |
| 148 | 'gzip', |
| 149 | ] |
| 150 | |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 151 | # utility: mangle the name of a config |
| 152 | def mangle(elem): |
| 153 | xl = { |
| 154 | '-': '_', |
| 155 | ':': '', |
| 156 | '/': 'slash', |
| 157 | '.': 'dot', |
| 158 | ',': 'comma', |
| 159 | ' ': '_', |
| 160 | } |
| 161 | def m0(x): |
| 162 | if not x: return 'empty' |
| 163 | r = '' |
| 164 | for c in x: |
| 165 | put = xl.get(c, c.lower()) |
| 166 | if not put: continue |
| 167 | last_is_underscore = r[-1] == '_' if r else True |
| 168 | if last_is_underscore and put == '_': continue |
| 169 | elif len(put) > 1: |
| 170 | if not last_is_underscore: r += '_' |
| 171 | r += put |
| 172 | r += '_' |
| 173 | else: |
| 174 | r += put |
| 175 | if r[-1] == '_': r = r[:-1] |
| 176 | return r |
| 177 | if isinstance(elem, tuple): |
| 178 | return 'grpc_mdelem_%s_%s' % (m0(elem[0]), m0(elem[1])) |
| 179 | else: |
| 180 | return 'grpc_mdstr_%s' % (m0(elem)) |
| 181 | |
| 182 | # utility: generate some hash value for a string |
| 183 | def fake_hash(elem): |
| 184 | return hashlib.md5(elem).hexdigest()[0:8] |
| 185 | |
| 186 | # utility: print a big comment block into a set of files |
| 187 | def put_banner(files, banner): |
| 188 | for f in files: |
| 189 | print >>f, '/*' |
| 190 | for line in banner: |
| 191 | print >>f, ' * %s' % line |
| 192 | print >>f, ' */' |
| 193 | print >>f |
| 194 | |
| 195 | # build a list of all the strings we need |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 196 | all_strs = list() |
| 197 | all_elems = list() |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 198 | static_userdata = {} |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 199 | for elem in CONFIG: |
| 200 | if isinstance(elem, tuple): |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 201 | if elem[0] not in all_strs: |
| 202 | all_strs.append(elem[0]) |
| 203 | if elem[1] not in all_strs: |
| 204 | all_strs.append(elem[1]) |
| 205 | if elem not in all_elems: |
| 206 | all_elems.append(elem) |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 207 | else: |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 208 | if elem not in all_strs: |
| 209 | all_strs.append(elem) |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 210 | compression_elems = [] |
| 211 | for mask in range(1, 1<<len(COMPRESSION_ALGORITHMS)): |
| 212 | val = ','.join(COMPRESSION_ALGORITHMS[alg] |
| 213 | for alg in range(0, len(COMPRESSION_ALGORITHMS)) |
| 214 | if (1 << alg) & mask) |
| 215 | elem = ('grpc-accept-encoding', val) |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 216 | if val not in all_strs: |
| 217 | all_strs.append(val) |
| 218 | if elem not in all_elems: |
| 219 | all_elems.append(elem) |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 220 | compression_elems.append(elem) |
David Garcia Quintas | 07503b6 | 2016-03-21 11:59:33 -0700 | [diff] [blame] | 221 | static_userdata[elem] = 1 + (mask | 1) |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 222 | all_strs = sorted(list(all_strs), key=mangle) |
| 223 | all_elems = sorted(list(all_elems), key=mangle) |
| 224 | |
| 225 | # output configuration |
| 226 | args = sys.argv[1:] |
| 227 | H = None |
| 228 | C = None |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 229 | D = None |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 230 | if args: |
| 231 | if 'header' in args: |
| 232 | H = sys.stdout |
| 233 | else: |
| 234 | H = open('/dev/null', 'w') |
| 235 | if 'source' in args: |
| 236 | C = sys.stdout |
| 237 | else: |
| 238 | C = open('/dev/null', 'w') |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 239 | if 'dictionary' in args: |
| 240 | D = sys.stdout |
| 241 | else: |
| 242 | D = open('/dev/null', 'w') |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 243 | else: |
| 244 | H = open(os.path.join( |
Craig Tiller | ffae43c | 2016-03-25 19:34:29 -0700 | [diff] [blame] | 245 | os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.h'), 'w') |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 246 | C = open(os.path.join( |
Craig Tiller | ffae43c | 2016-03-25 19:34:29 -0700 | [diff] [blame] | 247 | os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.c'), 'w') |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 248 | D = open(os.path.join( |
| 249 | os.path.dirname(sys.argv[0]), '../../../test/core/end2end/fuzzers/hpack.dictionary'), 'w') |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 250 | |
| 251 | # copy-paste copyright notice from this file |
| 252 | with open(sys.argv[0]) as my_source: |
| 253 | copyright = [] |
| 254 | for line in my_source: |
| 255 | if line[0] != '#': break |
| 256 | for line in my_source: |
| 257 | if line[0] == '#': |
| 258 | copyright.append(line) |
| 259 | break |
| 260 | for line in my_source: |
| 261 | if line[0] != '#': |
| 262 | break |
| 263 | copyright.append(line) |
Craig Tiller | 3bd9695 | 2016-03-28 12:43:02 -0700 | [diff] [blame] | 264 | put_banner([H,C], [line[2:].rstrip() for line in copyright]) |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 265 | |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 266 | |
| 267 | hex_bytes = [ord(c) for c in "abcdefABCDEF0123456789"] |
| 268 | |
| 269 | |
Craig Tiller | 69b6d4e | 2016-04-18 15:08:14 -0700 | [diff] [blame] | 270 | def esc_dict(line): |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 271 | out = "\"" |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 272 | for c in line: |
| 273 | if 32 <= c < 127: |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 274 | if c != ord('"'): |
| 275 | out += chr(c) |
| 276 | else: |
| 277 | out += "\\\"" |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 278 | else: |
Craig Tiller | 69b6d4e | 2016-04-18 15:08:14 -0700 | [diff] [blame] | 279 | out += "\\x%02X" % c |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 280 | return out + "\"" |
| 281 | |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 282 | put_banner([H,C], |
| 283 | """WARNING: Auto-generated code. |
| 284 | |
Craig Tiller | 3bd9695 | 2016-03-28 12:43:02 -0700 | [diff] [blame] | 285 | To make changes to this file, change |
| 286 | tools/codegen/core/gen_static_metadata.py, and then re-run it. |
Craig Tiller | 51ae0be | 2015-11-19 07:51:25 -0800 | [diff] [blame] | 287 | |
Craig Tiller | 3bd9695 | 2016-03-28 12:43:02 -0700 | [diff] [blame] | 288 | See metadata.h for an explanation of the interface here, and metadata.c for |
| 289 | an explanation of what's going on. |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 290 | """.splitlines()) |
| 291 | |
Craig Tiller | 3bd9695 | 2016-03-28 12:43:02 -0700 | [diff] [blame] | 292 | print >>H, '#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H' |
| 293 | print >>H, '#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 294 | print >>H |
Craig Tiller | ffae43c | 2016-03-25 19:34:29 -0700 | [diff] [blame] | 295 | print >>H, '#include "src/core/lib/transport/metadata.h"' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 296 | print >>H |
| 297 | |
Craig Tiller | ffae43c | 2016-03-25 19:34:29 -0700 | [diff] [blame] | 298 | print >>C, '#include "src/core/lib/transport/static_metadata.h"' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 299 | print >>C |
Craig Tiller | 1961436 | 2016-11-17 16:05:27 -0800 | [diff] [blame] | 300 | print >>C, '#include "src/core/lib/slice/slice_internal.h"' |
| 301 | print >>C |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 302 | |
| 303 | print >>H, '#define GRPC_STATIC_MDSTR_COUNT %d' % len(all_strs) |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 304 | print >>H, 'extern const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT];' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 305 | for i, elem in enumerate(all_strs): |
| 306 | print >>H, '/* "%s" */' % elem |
Craig Tiller | 5ef31ab | 2016-11-10 16:27:48 -0800 | [diff] [blame] | 307 | print >>H, '#define %s (grpc_static_slice_table[%d])' % (mangle(elem).upper(), i) |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 308 | print >>H |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 309 | print >>H, 'bool grpc_is_static_metadata_string(grpc_slice slice);' |
| 310 | print >>H |
| 311 | print >>C, 'static uint8_t g_raw_bytes[] = {%s};' % (','.join('%d' % ord(c) for c in ''.join(all_strs))) |
| 312 | print >>C |
| 313 | print >>C, 'static void static_ref(void *unused) {}' |
| 314 | print >>C, 'static void static_unref(grpc_exec_ctx *exec_ctx, void *unused) {}' |
Craig Tiller | 1961436 | 2016-11-17 16:05:27 -0800 | [diff] [blame] | 315 | print >>C, 'static const grpc_slice_refcount_vtable static_vtable = {static_ref, static_unref, grpc_static_slice_hash};'; |
Craig Tiller | 0451c3d | 2016-11-17 09:34:14 -0800 | [diff] [blame] | 316 | print >>C, 'static grpc_slice_refcount g_refcnt = {&static_vtable};' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 317 | print >>C |
| 318 | print >>C, 'bool grpc_is_static_metadata_string(grpc_slice slice) {' |
Craig Tiller | 0451c3d | 2016-11-17 09:34:14 -0800 | [diff] [blame] | 319 | print >>C, ' return slice.refcount != NULL && slice.refcount->vtable == &static_vtable;' |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 320 | print >>C, '}' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 321 | print >>C |
| 322 | print >>C, 'const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT] = {' |
| 323 | str_ofs = 0 |
| 324 | revmap = {} |
| 325 | zero_length_idx = None |
Craig Tiller | 7885d1a | 2016-11-17 14:07:45 -0800 | [diff] [blame] | 326 | id2strofs = {} |
| 327 | def slice_def(i): |
| 328 | return '{.refcount = &g_refcnt, .data.refcounted = {.bytes = g_raw_bytes+%d, .length=%d}}' % (id2strofs[i], len(all_strs[i])) |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 329 | for i, elem in enumerate(all_strs): |
Craig Tiller | 7885d1a | 2016-11-17 14:07:45 -0800 | [diff] [blame] | 330 | id2strofs[i] = str_ofs |
| 331 | print >>C, slice_def(i) + ',' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 332 | revmap[str_ofs] = i |
| 333 | if len(elem) == 0: zero_length_idx = i |
| 334 | str_ofs += len(elem); |
| 335 | print >>C, '};' |
| 336 | print >>C |
| 337 | print >>C, 'static const uint8_t g_revmap[] = {%s};' % ','.join('%d' % (revmap[i] if i in revmap else 255) for i in range(0, str_ofs)) |
| 338 | print >>C |
Craig Tiller | 1961436 | 2016-11-17 16:05:27 -0800 | [diff] [blame] | 339 | print >>H, 'int grpc_static_metadata_index(grpc_slice slice);' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 340 | print >>C, 'int grpc_static_metadata_index(grpc_slice slice) {' |
| 341 | print >>C, ' if (GRPC_SLICE_LENGTH(slice) == 0) return %d;' % zero_length_idx |
Craig Tiller | b2348ba | 2016-11-18 08:10:46 -0800 | [diff] [blame] | 342 | print >>C, ' if (slice.refcount != &g_refcnt) return -1;' |
| 343 | print >>C, ' size_t ofs = (size_t)(slice.data.refcounted.bytes - g_raw_bytes);' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 344 | print >>C, ' if (ofs > sizeof(g_revmap)) return -1;' |
| 345 | print >>C, ' uint8_t id = g_revmap[ofs];' |
Craig Tiller | b2348ba | 2016-11-18 08:10:46 -0800 | [diff] [blame] | 346 | print >>C, ' return id == 255 ? -1 : (grpc_static_slice_table[id].data.refcounted.length == slice.data.refcounted.length? id : -1);' |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 347 | print >>C, '}' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 348 | print >>C |
| 349 | |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 350 | print >>D, '# hpack fuzzing dictionary' |
| 351 | for i, elem in enumerate(all_strs): |
Craig Tiller | 69b6d4e | 2016-04-18 15:08:14 -0700 | [diff] [blame] | 352 | print >>D, '%s' % (esc_dict([len(elem)] + [ord(c) for c in elem])) |
Craig Tiller | 942568b | 2016-04-18 22:19:00 -0700 | [diff] [blame] | 353 | for i, elem in enumerate(all_elems): |
| 354 | print >>D, '%s' % (esc_dict([0, len(elem[0])] + [ord(c) for c in elem[0]] + |
| 355 | [len(elem[1])] + [ord(c) for c in elem[1]])) |
Craig Tiller | 134a6b6 | 2016-04-18 08:14:20 -0700 | [diff] [blame] | 356 | |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 357 | print >>H, '#define GRPC_STATIC_MDELEM_COUNT %d' % len(all_elems) |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame^] | 358 | print >>H, 'extern grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];' |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 359 | print >>H, 'extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 360 | for i, elem in enumerate(all_elems): |
| 361 | print >>H, '/* "%s": "%s" */' % elem |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame^] | 362 | print >>H, '#define %s ((grpc_mdelem){&grpc_static_mdelem_table[%d]})' % (mangle(elem).upper(), i) |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 363 | print >>H |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 364 | print >>C, 'uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {' |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 365 | print >>C, ' %s' % ','.join('%d' % static_userdata.get(elem, 0) for elem in all_elems) |
| 366 | print >>C, '};' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 367 | print >>C |
| 368 | |
| 369 | def str_idx(s): |
| 370 | for i, s2 in enumerate(all_strs): |
| 371 | if s == s2: |
| 372 | return i |
| 373 | |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 374 | def md_idx(m): |
| 375 | for i, m2 in enumerate(all_elems): |
| 376 | if m == m2: |
| 377 | return i |
| 378 | |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 379 | def perfect_hash(keys, name): |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 380 | ok = False |
| 381 | cmd = '%s/perfect/build.sh' % (os.path.dirname(sys.argv[0])) |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 382 | subprocess.check_call(cmd, shell=True) |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 383 | for offset in reversed(range(0, min(keys))): |
| 384 | tmp = open('/tmp/keys.txt', 'w') |
| 385 | tmp.write(''.join('%d\n' % (x - offset) for x in keys)) |
| 386 | tmp.close() |
| 387 | cmd = '%s/perfect/run.sh %s -dms' % (os.path.dirname(sys.argv[0]), tmp.name) |
| 388 | out = subprocess.check_output(cmd, shell=True) |
| 389 | if 'fatal error' not in out: |
| 390 | ok = True |
| 391 | break |
| 392 | assert ok, "Failed to find hash of keys in /tmp/keys.txt" |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 393 | |
| 394 | code = '' |
| 395 | |
| 396 | results = {} |
| 397 | with open('%s/perfect/phash.h' % os.path.dirname(sys.argv[0])) as f: |
| 398 | txt = f.read() |
| 399 | for var in ('PHASHLEN', 'PHASHNKEYS', 'PHASHRANGE', 'PHASHSALT'): |
| 400 | val = re.search(r'#define %s ([0-9a-zA-Z]+)' % var, txt).group(1) |
| 401 | code += '#define %s_%s %s\n' % (name.upper(), var, val) |
| 402 | results[var] = val |
| 403 | code += '\n' |
| 404 | pycode = 'def f(val):\n' |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 405 | pycode += ' val -= %d\n' % offset |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 406 | with open('%s/perfect/phash.c' % os.path.dirname(sys.argv[0])) as f: |
| 407 | txt = f.read() |
| 408 | tabdata = re.search(r'ub1 tab\[\] = \{([^}]+)\}', txt, re.MULTILINE).group(1) |
| 409 | code += 'static const uint8_t %s_tab[] = {%s};\n\n' % (name, tabdata) |
| 410 | func_body = re.search(r'ub4 phash\(val\)\nub4 val;\n\{([^}]+)\}', txt, re.MULTILINE).group(1).replace('ub4', 'uint32_t') |
| 411 | code += 'static uint32_t %s_phash(uint32_t val) {\nval -= %d;\n%s}\n' % (name, |
Craig Tiller | d7f1583 | 2016-11-16 17:12:55 -0800 | [diff] [blame] | 412 | offset, func_body.replace('tab', '%s_tab' % name)) |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 413 | pycode += ' tab=(%s)' % tabdata.replace('\n', '') |
| 414 | pycode += '\n'.join(' %s' % s.strip() for s in func_body.splitlines()[2:]) |
| 415 | g = {} |
| 416 | exec pycode in g |
| 417 | pyfunc = g['f'] |
| 418 | |
| 419 | results['code'] = code |
| 420 | results['pyfunc'] = pyfunc |
| 421 | return results |
| 422 | |
| 423 | elem_keys = [str_idx(elem[0]) * len(all_strs) + str_idx(elem[1]) for elem in all_elems] |
| 424 | elem_hash = perfect_hash(elem_keys, "elems") |
| 425 | print >>C, elem_hash['code'] |
| 426 | |
| 427 | keys = [0] * int(elem_hash['PHASHRANGE']) |
| 428 | idxs = [-1] * int(elem_hash['PHASHNKEYS']) |
| 429 | for i, k in enumerate(elem_keys): |
| 430 | h = elem_hash['pyfunc'](k) |
| 431 | assert keys[h] == 0 |
| 432 | keys[h] = k |
| 433 | idxs[h] = i |
| 434 | print >>C, 'static const uint16_t elem_keys[] = {%s};' % ','.join('%d' % k for k in keys) |
| 435 | print >>C, 'static const uint8_t elem_idxs[] = {%s};' % ','.join('%d' % i for i in idxs) |
| 436 | print >>C |
| 437 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame^] | 438 | print >>H, 'grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b);' |
| 439 | print >>C, 'grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b) {' |
| 440 | print >>C, ' if (a == -1 || b == -1) return GRPC_MDNULL;' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 441 | print >>C, ' uint32_t k = (uint32_t)(a * %d + b);' % len(all_strs) |
| 442 | print >>C, ' uint32_t h = elems_phash(k);' |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame^] | 443 | print >>C, ' return elem_keys[h] == k ? (grpc_mdelem){&grpc_static_mdelem_table[elem_idxs[h]]} : GRPC_MDNULL;' |
Craig Tiller | e52bbb1 | 2016-11-10 15:34:06 -0800 | [diff] [blame] | 444 | print >>C, '}' |
| 445 | print >>C |
| 446 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame^] | 447 | print >>C, 'grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT] = {' |
Craig Tiller | 7885d1a | 2016-11-17 14:07:45 -0800 | [diff] [blame] | 448 | for a, b in all_elems: |
| 449 | print >>C, '{%s,%s},' % (slice_def(str_idx(a)), slice_def(str_idx(b))) |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 450 | print >>C, '};' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 451 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 452 | print >>H, 'extern const uint8_t grpc_static_accept_encoding_metadata[%d];' % (1 << len(COMPRESSION_ALGORITHMS)) |
| 453 | print >>C, 'const uint8_t grpc_static_accept_encoding_metadata[%d] = {' % (1 << len(COMPRESSION_ALGORITHMS)) |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 454 | print >>C, '0,%s' % ','.join('%d' % md_idx(elem) for elem in compression_elems) |
| 455 | print >>C, '};' |
| 456 | print >>C |
| 457 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame^] | 458 | print >>H, '#define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) ((grpc_mdelem){&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]]})' |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 459 | |
Craig Tiller | 3bd9695 | 2016-03-28 12:43:02 -0700 | [diff] [blame] | 460 | print >>H, '#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */' |
Craig Tiller | 2e7687c | 2015-11-18 14:56:46 -0800 | [diff] [blame] | 461 | |
| 462 | H.close() |
| 463 | C.close() |