http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/crc32c.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/crc32c.cc b/thirdparty/leveldb-1.18/util/crc32c.cc deleted file mode 100755 index 6db9e77..0000000 --- a/thirdparty/leveldb-1.18/util/crc32c.cc +++ /dev/null @@ -1,332 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. -// -// A portable implementation of crc32c, optimized to handle -// four bytes at a time. - -#include "util/crc32c.h" - -#include <stdint.h> -#include "util/coding.h" - -namespace leveldb { -namespace crc32c { - -static const uint32_t table0_[256] = { - 0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, - 0xc79a971f, 0x35f1141c, 0x26a1e7e8, 0xd4ca64eb, - 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b, - 0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24, - 0x105ec76f, 0xe235446c, 0xf165b798, 0x030e349b, - 0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384, - 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, - 0x5d1d08bf, 0xaf768bbc, 0xbc267848, 0x4e4dfb4b, - 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a, - 0xe72719c1, 0x154c9ac2, 0x061c6936, 0xf477ea35, - 0xaa64d611, 0x580f5512, 0x4b5fa6e6, 0xb93425e5, - 0x6dfe410e, 0x9f95c20d, 0x8cc531f9, 0x7eaeb2fa, - 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, - 0xf779deae, 0x05125dad, 0x1642ae59, 0xe4292d5a, - 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, - 0x7da08661, 0x8fcb0562, 0x9c9bf696, 0x6ef07595, - 0x417b1dbc, 0xb3109ebf, 0xa0406d4b, 0x522bee48, - 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957, - 0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, - 0x0c38d26c, 0xfe53516f, 0xed03a29b, 0x1f682198, - 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927, - 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38, - 0xdbfc821c, 0x2997011f, 0x3ac7f2eb, 0xc8ac71e8, - 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0x0f36e6f7, - 0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, - 0xa65c047d, 0x5437877e, 0x4767748a, 0xb50cf789, - 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859, - 0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0x3fd5af46, - 0x7198540d, 0x83f3d70e, 0x90a324fa, 0x62c8a7f9, - 0xb602c312, 0x44694011, 0x5739b3e5, 0xa55230e6, - 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, - 0x3cdb9bdd, 0xceb018de, 0xdde0eb2a, 0x2f8b6829, - 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, - 0x456cac67, 0xb7072f64, 0xa457dc90, 0x563c5f93, - 0x082f63b7, 0xfa44e0b4, 0xe9141340, 0x1b7f9043, - 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c, - 0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, - 0x55326b08, 0xa759e80b, 0xb4091bff, 0x466298fc, - 0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0x0b21572c, - 0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033, - 0xa24bb5a6, 0x502036a5, 0x4370c551, 0xb11b4652, - 0x65d122b9, 0x97baa1ba, 0x84ea524e, 0x7681d14d, - 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, - 0xef087a76, 0x1d63f975, 0x0e330a81, 0xfc588982, - 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d, - 0x758fe5d6, 0x87e466d5, 0x94b49521, 0x66df1622, - 0x38cc2a06, 0xcaa7a905, 0xd9f75af1, 0x2b9cd9f2, - 0xff56bd19, 0x0d3d3e1a, 0x1e6dcdee, 0xec064eed, - 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, - 0x0417b1db, 0xf67c32d8, 0xe52cc12c, 0x1747422f, - 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, - 0x8ecee914, 0x7ca56a17, 0x6ff599e3, 0x9d9e1ae0, - 0xd3d3e1ab, 0x21b862a8, 0x32e8915c, 0xc083125f, - 0x144976b4, 0xe622f5b7, 0xf5720643, 0x07198540, - 0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, - 0x9e902e7b, 0x6cfbad78, 0x7fab5e8c, 0x8dc0dd8f, - 0xe330a81a, 0x115b2b19, 0x020bd8ed, 0xf0605bee, - 0x24aa3f05, 0xd6c1bc06, 0xc5914ff2, 0x37faccf1, - 0x69e9f0d5, 0x9b8273d6, 0x88d28022, 0x7ab90321, - 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e, - 0xf36e6f75, 0x0105ec76, 0x12551f82, 0xe03e9c81, - 0x34f4f86a, 0xc69f7b69, 0xd5cf889d, 0x27a40b9e, - 0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e, - 0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351 -}; -static const uint32_t table1_[256] = { - 0x00000000, 0x13a29877, 0x274530ee, 0x34e7a899, - 0x4e8a61dc, 0x5d28f9ab, 0x69cf5132, 0x7a6dc945, - 0x9d14c3b8, 0x8eb65bcf, 0xba51f356, 0xa9f36b21, - 0xd39ea264, 0xc03c3a13, 0xf4db928a, 0xe7790afd, - 0x3fc5f181, 0x2c6769f6, 0x1880c16f, 0x0b225918, - 0x714f905d, 0x62ed082a, 0x560aa0b3, 0x45a838c4, - 0xa2d13239, 0xb173aa4e, 0x859402d7, 0x96369aa0, - 0xec5b53e5, 0xfff9cb92, 0xcb1e630b, 0xd8bcfb7c, - 0x7f8be302, 0x6c297b75, 0x58ced3ec, 0x4b6c4b9b, - 0x310182de, 0x22a31aa9, 0x1644b230, 0x05e62a47, - 0xe29f20ba, 0xf13db8cd, 0xc5da1054, 0xd6788823, - 0xac154166, 0xbfb7d911, 0x8b507188, 0x98f2e9ff, - 0x404e1283, 0x53ec8af4, 0x670b226d, 0x74a9ba1a, - 0x0ec4735f, 0x1d66eb28, 0x298143b1, 0x3a23dbc6, - 0xdd5ad13b, 0xcef8494c, 0xfa1fe1d5, 0xe9bd79a2, - 0x93d0b0e7, 0x80722890, 0xb4958009, 0xa737187e, - 0xff17c604, 0xecb55e73, 0xd852f6ea, 0xcbf06e9d, - 0xb19da7d8, 0xa23f3faf, 0x96d89736, 0x857a0f41, - 0x620305bc, 0x71a19dcb, 0x45463552, 0x56e4ad25, - 0x2c896460, 0x3f2bfc17, 0x0bcc548e, 0x186eccf9, - 0xc0d23785, 0xd370aff2, 0xe797076b, 0xf4359f1c, - 0x8e585659, 0x9dface2e, 0xa91d66b7, 0xbabffec0, - 0x5dc6f43d, 0x4e646c4a, 0x7a83c4d3, 0x69215ca4, - 0x134c95e1, 0x00ee0d96, 0x3409a50f, 0x27ab3d78, - 0x809c2506, 0x933ebd71, 0xa7d915e8, 0xb47b8d9f, - 0xce1644da, 0xddb4dcad, 0xe9537434, 0xfaf1ec43, - 0x1d88e6be, 0x0e2a7ec9, 0x3acdd650, 0x296f4e27, - 0x53028762, 0x40a01f15, 0x7447b78c, 0x67e52ffb, - 0xbf59d487, 0xacfb4cf0, 0x981ce469, 0x8bbe7c1e, - 0xf1d3b55b, 0xe2712d2c, 0xd69685b5, 0xc5341dc2, - 0x224d173f, 0x31ef8f48, 0x050827d1, 0x16aabfa6, - 0x6cc776e3, 0x7f65ee94, 0x4b82460d, 0x5820de7a, - 0xfbc3faf9, 0xe861628e, 0xdc86ca17, 0xcf245260, - 0xb5499b25, 0xa6eb0352, 0x920cabcb, 0x81ae33bc, - 0x66d73941, 0x7575a136, 0x419209af, 0x523091d8, - 0x285d589d, 0x3bffc0ea, 0x0f186873, 0x1cbaf004, - 0xc4060b78, 0xd7a4930f, 0xe3433b96, 0xf0e1a3e1, - 0x8a8c6aa4, 0x992ef2d3, 0xadc95a4a, 0xbe6bc23d, - 0x5912c8c0, 0x4ab050b7, 0x7e57f82e, 0x6df56059, - 0x1798a91c, 0x043a316b, 0x30dd99f2, 0x237f0185, - 0x844819fb, 0x97ea818c, 0xa30d2915, 0xb0afb162, - 0xcac27827, 0xd960e050, 0xed8748c9, 0xfe25d0be, - 0x195cda43, 0x0afe4234, 0x3e19eaad, 0x2dbb72da, - 0x57d6bb9f, 0x447423e8, 0x70938b71, 0x63311306, - 0xbb8de87a, 0xa82f700d, 0x9cc8d894, 0x8f6a40e3, - 0xf50789a6, 0xe6a511d1, 0xd242b948, 0xc1e0213f, - 0x26992bc2, 0x353bb3b5, 0x01dc1b2c, 0x127e835b, - 0x68134a1e, 0x7bb1d269, 0x4f567af0, 0x5cf4e287, - 0x04d43cfd, 0x1776a48a, 0x23910c13, 0x30339464, - 0x4a5e5d21, 0x59fcc556, 0x6d1b6dcf, 0x7eb9f5b8, - 0x99c0ff45, 0x8a626732, 0xbe85cfab, 0xad2757dc, - 0xd74a9e99, 0xc4e806ee, 0xf00fae77, 0xe3ad3600, - 0x3b11cd7c, 0x28b3550b, 0x1c54fd92, 0x0ff665e5, - 0x759baca0, 0x663934d7, 0x52de9c4e, 0x417c0439, - 0xa6050ec4, 0xb5a796b3, 0x81403e2a, 0x92e2a65d, - 0xe88f6f18, 0xfb2df76f, 0xcfca5ff6, 0xdc68c781, - 0x7b5fdfff, 0x68fd4788, 0x5c1aef11, 0x4fb87766, - 0x35d5be23, 0x26772654, 0x12908ecd, 0x013216ba, - 0xe64b1c47, 0xf5e98430, 0xc10e2ca9, 0xd2acb4de, - 0xa8c17d9b, 0xbb63e5ec, 0x8f844d75, 0x9c26d502, - 0x449a2e7e, 0x5738b609, 0x63df1e90, 0x707d86e7, - 0x0a104fa2, 0x19b2d7d5, 0x2d557f4c, 0x3ef7e73b, - 0xd98eedc6, 0xca2c75b1, 0xfecbdd28, 0xed69455f, - 0x97048c1a, 0x84a6146d, 0xb041bcf4, 0xa3e32483 -}; -static const uint32_t table2_[256] = { - 0x00000000, 0xa541927e, 0x4f6f520d, 0xea2ec073, - 0x9edea41a, 0x3b9f3664, 0xd1b1f617, 0x74f06469, - 0x38513ec5, 0x9d10acbb, 0x773e6cc8, 0xd27ffeb6, - 0xa68f9adf, 0x03ce08a1, 0xe9e0c8d2, 0x4ca15aac, - 0x70a27d8a, 0xd5e3eff4, 0x3fcd2f87, 0x9a8cbdf9, - 0xee7cd990, 0x4b3d4bee, 0xa1138b9d, 0x045219e3, - 0x48f3434f, 0xedb2d131, 0x079c1142, 0xa2dd833c, - 0xd62de755, 0x736c752b, 0x9942b558, 0x3c032726, - 0xe144fb14, 0x4405696a, 0xae2ba919, 0x0b6a3b67, - 0x7f9a5f0e, 0xdadbcd70, 0x30f50d03, 0x95b49f7d, - 0xd915c5d1, 0x7c5457af, 0x967a97dc, 0x333b05a2, - 0x47cb61cb, 0xe28af3b5, 0x08a433c6, 0xade5a1b8, - 0x91e6869e, 0x34a714e0, 0xde89d493, 0x7bc846ed, - 0x0f382284, 0xaa79b0fa, 0x40577089, 0xe516e2f7, - 0xa9b7b85b, 0x0cf62a25, 0xe6d8ea56, 0x43997828, - 0x37691c41, 0x92288e3f, 0x78064e4c, 0xdd47dc32, - 0xc76580d9, 0x622412a7, 0x880ad2d4, 0x2d4b40aa, - 0x59bb24c3, 0xfcfab6bd, 0x16d476ce, 0xb395e4b0, - 0xff34be1c, 0x5a752c62, 0xb05bec11, 0x151a7e6f, - 0x61ea1a06, 0xc4ab8878, 0x2e85480b, 0x8bc4da75, - 0xb7c7fd53, 0x12866f2d, 0xf8a8af5e, 0x5de93d20, - 0x29195949, 0x8c58cb37, 0x66760b44, 0xc337993a, - 0x8f96c396, 0x2ad751e8, 0xc0f9919b, 0x65b803e5, - 0x1148678c, 0xb409f5f2, 0x5e273581, 0xfb66a7ff, - 0x26217bcd, 0x8360e9b3, 0x694e29c0, 0xcc0fbbbe, - 0xb8ffdfd7, 0x1dbe4da9, 0xf7908dda, 0x52d11fa4, - 0x1e704508, 0xbb31d776, 0x511f1705, 0xf45e857b, - 0x80aee112, 0x25ef736c, 0xcfc1b31f, 0x6a802161, - 0x56830647, 0xf3c29439, 0x19ec544a, 0xbcadc634, - 0xc85da25d, 0x6d1c3023, 0x8732f050, 0x2273622e, - 0x6ed23882, 0xcb93aafc, 0x21bd6a8f, 0x84fcf8f1, - 0xf00c9c98, 0x554d0ee6, 0xbf63ce95, 0x1a225ceb, - 0x8b277743, 0x2e66e53d, 0xc448254e, 0x6109b730, - 0x15f9d359, 0xb0b84127, 0x5a968154, 0xffd7132a, - 0xb3764986, 0x1637dbf8, 0xfc191b8b, 0x595889f5, - 0x2da8ed9c, 0x88e97fe2, 0x62c7bf91, 0xc7862def, - 0xfb850ac9, 0x5ec498b7, 0xb4ea58c4, 0x11abcaba, - 0x655baed3, 0xc01a3cad, 0x2a34fcde, 0x8f756ea0, - 0xc3d4340c, 0x6695a672, 0x8cbb6601, 0x29faf47f, - 0x5d0a9016, 0xf84b0268, 0x1265c21b, 0xb7245065, - 0x6a638c57, 0xcf221e29, 0x250cde5a, 0x804d4c24, - 0xf4bd284d, 0x51fcba33, 0xbbd27a40, 0x1e93e83e, - 0x5232b292, 0xf77320ec, 0x1d5de09f, 0xb81c72e1, - 0xccec1688, 0x69ad84f6, 0x83834485, 0x26c2d6fb, - 0x1ac1f1dd, 0xbf8063a3, 0x55aea3d0, 0xf0ef31ae, - 0x841f55c7, 0x215ec7b9, 0xcb7007ca, 0x6e3195b4, - 0x2290cf18, 0x87d15d66, 0x6dff9d15, 0xc8be0f6b, - 0xbc4e6b02, 0x190ff97c, 0xf321390f, 0x5660ab71, - 0x4c42f79a, 0xe90365e4, 0x032da597, 0xa66c37e9, - 0xd29c5380, 0x77ddc1fe, 0x9df3018d, 0x38b293f3, - 0x7413c95f, 0xd1525b21, 0x3b7c9b52, 0x9e3d092c, - 0xeacd6d45, 0x4f8cff3b, 0xa5a23f48, 0x00e3ad36, - 0x3ce08a10, 0x99a1186e, 0x738fd81d, 0xd6ce4a63, - 0xa23e2e0a, 0x077fbc74, 0xed517c07, 0x4810ee79, - 0x04b1b4d5, 0xa1f026ab, 0x4bdee6d8, 0xee9f74a6, - 0x9a6f10cf, 0x3f2e82b1, 0xd50042c2, 0x7041d0bc, - 0xad060c8e, 0x08479ef0, 0xe2695e83, 0x4728ccfd, - 0x33d8a894, 0x96993aea, 0x7cb7fa99, 0xd9f668e7, - 0x9557324b, 0x3016a035, 0xda386046, 0x7f79f238, - 0x0b899651, 0xaec8042f, 0x44e6c45c, 0xe1a75622, - 0xdda47104, 0x78e5e37a, 0x92cb2309, 0x378ab177, - 0x437ad51e, 0xe63b4760, 0x0c158713, 0xa954156d, - 0xe5f54fc1, 0x40b4ddbf, 0xaa9a1dcc, 0x0fdb8fb2, - 0x7b2bebdb, 0xde6a79a5, 0x3444b9d6, 0x91052ba8 -}; -static const uint32_t table3_[256] = { - 0x00000000, 0xdd45aab8, 0xbf672381, 0x62228939, - 0x7b2231f3, 0xa6679b4b, 0xc4451272, 0x1900b8ca, - 0xf64463e6, 0x2b01c95e, 0x49234067, 0x9466eadf, - 0x8d665215, 0x5023f8ad, 0x32017194, 0xef44db2c, - 0xe964b13d, 0x34211b85, 0x560392bc, 0x8b463804, - 0x924680ce, 0x4f032a76, 0x2d21a34f, 0xf06409f7, - 0x1f20d2db, 0xc2657863, 0xa047f15a, 0x7d025be2, - 0x6402e328, 0xb9474990, 0xdb65c0a9, 0x06206a11, - 0xd725148b, 0x0a60be33, 0x6842370a, 0xb5079db2, - 0xac072578, 0x71428fc0, 0x136006f9, 0xce25ac41, - 0x2161776d, 0xfc24ddd5, 0x9e0654ec, 0x4343fe54, - 0x5a43469e, 0x8706ec26, 0xe524651f, 0x3861cfa7, - 0x3e41a5b6, 0xe3040f0e, 0x81268637, 0x5c632c8f, - 0x45639445, 0x98263efd, 0xfa04b7c4, 0x27411d7c, - 0xc805c650, 0x15406ce8, 0x7762e5d1, 0xaa274f69, - 0xb327f7a3, 0x6e625d1b, 0x0c40d422, 0xd1057e9a, - 0xaba65fe7, 0x76e3f55f, 0x14c17c66, 0xc984d6de, - 0xd0846e14, 0x0dc1c4ac, 0x6fe34d95, 0xb2a6e72d, - 0x5de23c01, 0x80a796b9, 0xe2851f80, 0x3fc0b538, - 0x26c00df2, 0xfb85a74a, 0x99a72e73, 0x44e284cb, - 0x42c2eeda, 0x9f874462, 0xfda5cd5b, 0x20e067e3, - 0x39e0df29, 0xe4a57591, 0x8687fca8, 0x5bc25610, - 0xb4868d3c, 0x69c32784, 0x0be1aebd, 0xd6a40405, - 0xcfa4bccf, 0x12e11677, 0x70c39f4e, 0xad8635f6, - 0x7c834b6c, 0xa1c6e1d4, 0xc3e468ed, 0x1ea1c255, - 0x07a17a9f, 0xdae4d027, 0xb8c6591e, 0x6583f3a6, - 0x8ac7288a, 0x57828232, 0x35a00b0b, 0xe8e5a1b3, - 0xf1e51979, 0x2ca0b3c1, 0x4e823af8, 0x93c79040, - 0x95e7fa51, 0x48a250e9, 0x2a80d9d0, 0xf7c57368, - 0xeec5cba2, 0x3380611a, 0x51a2e823, 0x8ce7429b, - 0x63a399b7, 0xbee6330f, 0xdcc4ba36, 0x0181108e, - 0x1881a844, 0xc5c402fc, 0xa7e68bc5, 0x7aa3217d, - 0x52a0c93f, 0x8fe56387, 0xedc7eabe, 0x30824006, - 0x2982f8cc, 0xf4c75274, 0x96e5db4d, 0x4ba071f5, - 0xa4e4aad9, 0x79a10061, 0x1b838958, 0xc6c623e0, - 0xdfc69b2a, 0x02833192, 0x60a1b8ab, 0xbde41213, - 0xbbc47802, 0x6681d2ba, 0x04a35b83, 0xd9e6f13b, - 0xc0e649f1, 0x1da3e349, 0x7f816a70, 0xa2c4c0c8, - 0x4d801be4, 0x90c5b15c, 0xf2e73865, 0x2fa292dd, - 0x36a22a17, 0xebe780af, 0x89c50996, 0x5480a32e, - 0x8585ddb4, 0x58c0770c, 0x3ae2fe35, 0xe7a7548d, - 0xfea7ec47, 0x23e246ff, 0x41c0cfc6, 0x9c85657e, - 0x73c1be52, 0xae8414ea, 0xcca69dd3, 0x11e3376b, - 0x08e38fa1, 0xd5a62519, 0xb784ac20, 0x6ac10698, - 0x6ce16c89, 0xb1a4c631, 0xd3864f08, 0x0ec3e5b0, - 0x17c35d7a, 0xca86f7c2, 0xa8a47efb, 0x75e1d443, - 0x9aa50f6f, 0x47e0a5d7, 0x25c22cee, 0xf8878656, - 0xe1873e9c, 0x3cc29424, 0x5ee01d1d, 0x83a5b7a5, - 0xf90696d8, 0x24433c60, 0x4661b559, 0x9b241fe1, - 0x8224a72b, 0x5f610d93, 0x3d4384aa, 0xe0062e12, - 0x0f42f53e, 0xd2075f86, 0xb025d6bf, 0x6d607c07, - 0x7460c4cd, 0xa9256e75, 0xcb07e74c, 0x16424df4, - 0x106227e5, 0xcd278d5d, 0xaf050464, 0x7240aedc, - 0x6b401616, 0xb605bcae, 0xd4273597, 0x09629f2f, - 0xe6264403, 0x3b63eebb, 0x59416782, 0x8404cd3a, - 0x9d0475f0, 0x4041df48, 0x22635671, 0xff26fcc9, - 0x2e238253, 0xf36628eb, 0x9144a1d2, 0x4c010b6a, - 0x5501b3a0, 0x88441918, 0xea669021, 0x37233a99, - 0xd867e1b5, 0x05224b0d, 0x6700c234, 0xba45688c, - 0xa345d046, 0x7e007afe, 0x1c22f3c7, 0xc167597f, - 0xc747336e, 0x1a0299d6, 0x782010ef, 0xa565ba57, - 0xbc65029d, 0x6120a825, 0x0302211c, 0xde478ba4, - 0x31035088, 0xec46fa30, 0x8e647309, 0x5321d9b1, - 0x4a21617b, 0x9764cbc3, 0xf54642fa, 0x2803e842 -}; - -// Used to fetch a naturally-aligned 32-bit word in little endian byte-order -static inline uint32_t LE_LOAD32(const uint8_t *p) { - return DecodeFixed32(reinterpret_cast<const char*>(p)); -} - -uint32_t Extend(uint32_t crc, const char* buf, size_t size) { - const uint8_t *p = reinterpret_cast<const uint8_t *>(buf); - const uint8_t *e = p + size; - uint32_t l = crc ^ 0xffffffffu; - -#define STEP1 do { \ - int c = (l & 0xff) ^ *p++; \ - l = table0_[c] ^ (l >> 8); \ -} while (0) -#define STEP4 do { \ - uint32_t c = l ^ LE_LOAD32(p); \ - p += 4; \ - l = table3_[c & 0xff] ^ \ - table2_[(c >> 8) & 0xff] ^ \ - table1_[(c >> 16) & 0xff] ^ \ - table0_[c >> 24]; \ -} while (0) - - // Point x at first 4-byte aligned byte in string. This might be - // just past the end of the string. - const uintptr_t pval = reinterpret_cast<uintptr_t>(p); - const uint8_t* x = reinterpret_cast<const uint8_t*>(((pval + 3) >> 2) << 2); - if (x <= e) { - // Process bytes until finished or p is 4-byte aligned - while (p != x) { - STEP1; - } - } - // Process bytes 16 at a time - while ((e-p) >= 16) { - STEP4; STEP4; STEP4; STEP4; - } - // Process bytes 4 at a time - while ((e-p) >= 4) { - STEP4; - } - // Process the last few bytes - while (p != e) { - STEP1; - } -#undef STEP4 -#undef STEP1 - return l ^ 0xffffffffu; -} - -} // namespace crc32c -} // namespace leveldb
http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/crc32c.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/crc32c.h b/thirdparty/leveldb-1.18/util/crc32c.h deleted file mode 100755 index 1d7e5c0..0000000 --- a/thirdparty/leveldb-1.18/util/crc32c.h +++ /dev/null @@ -1,45 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#ifndef STORAGE_LEVELDB_UTIL_CRC32C_H_ -#define STORAGE_LEVELDB_UTIL_CRC32C_H_ - -#include <stddef.h> -#include <stdint.h> - -namespace leveldb { -namespace crc32c { - -// Return the crc32c of concat(A, data[0,n-1]) where init_crc is the -// crc32c of some string A. Extend() is often used to maintain the -// crc32c of a stream of data. -extern uint32_t Extend(uint32_t init_crc, const char* data, size_t n); - -// Return the crc32c of data[0,n-1] -inline uint32_t Value(const char* data, size_t n) { - return Extend(0, data, n); -} - -static const uint32_t kMaskDelta = 0xa282ead8ul; - -// Return a masked representation of crc. -// -// Motivation: it is problematic to compute the CRC of a string that -// contains embedded CRCs. Therefore we recommend that CRCs stored -// somewhere (e.g., in files) should be masked before being stored. -inline uint32_t Mask(uint32_t crc) { - // Rotate right by 15 bits and add a constant. - return ((crc >> 15) | (crc << 17)) + kMaskDelta; -} - -// Return the crc whose masked representation is masked_crc. -inline uint32_t Unmask(uint32_t masked_crc) { - uint32_t rot = masked_crc - kMaskDelta; - return ((rot >> 17) | (rot << 15)); -} - -} // namespace crc32c -} // namespace leveldb - -#endif // STORAGE_LEVELDB_UTIL_CRC32C_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/crc32c_test.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/crc32c_test.cc b/thirdparty/leveldb-1.18/util/crc32c_test.cc deleted file mode 100755 index 78ae483..0000000 --- a/thirdparty/leveldb-1.18/util/crc32c_test.cc +++ /dev/null @@ -1,72 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "util/crc32c.h" -#include "util/testharness.h" - -namespace leveldb { -namespace crc32c { - -class CRC { }; - -TEST(CRC, StandardResults) { - // From rfc3720 section B.4. - char buf[32]; - - memset(buf, 0, sizeof(buf)); - ASSERT_EQ(static_cast<uint32_t>(0x8a9136aa), Value(buf, sizeof(buf))); - - memset(buf, 0xff, sizeof(buf)); - ASSERT_EQ(static_cast<uint32_t>(0x62a8ab43), Value(buf, sizeof(buf))); - - for (int i = 0; i < 32; i++) { - buf[i] = i; - } - ASSERT_EQ(static_cast<uint32_t>(0x46dd794e), Value(buf, sizeof(buf))); - - for (int i = 0; i < 32; i++) { - buf[i] = 31 - i; - } - ASSERT_EQ(static_cast<uint32_t>(0x113fdb5c), Value(buf, sizeof(buf))); - - unsigned char data[48] = { - 0x01, 0xc0, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x14, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x04, 0x00, - 0x00, 0x00, 0x00, 0x14, - 0x00, 0x00, 0x00, 0x18, - 0x28, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x02, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - }; - ASSERT_EQ(static_cast<uint32_t>(0xd9963a56), Value(reinterpret_cast<char*>(data), sizeof(data))); -} - -TEST(CRC, Values) { - ASSERT_NE(Value("a", 1), Value("foo", 3)); -} - -TEST(CRC, Extend) { - ASSERT_EQ(Value("hello world", 11), - Extend(Value("hello ", 6), "world", 5)); -} - -TEST(CRC, Mask) { - uint32_t crc = Value("foo", 3); - ASSERT_NE(crc, Mask(crc)); - ASSERT_NE(crc, Mask(Mask(crc))); - ASSERT_EQ(crc, Unmask(Mask(crc))); - ASSERT_EQ(crc, Unmask(Unmask(Mask(Mask(crc))))); -} - -} // namespace crc32c -} // namespace leveldb - -int main(int argc, char** argv) { - return leveldb::test::RunAllTests(); -} http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/env.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/env.cc b/thirdparty/leveldb-1.18/util/env.cc deleted file mode 100755 index c2600e9..0000000 --- a/thirdparty/leveldb-1.18/util/env.cc +++ /dev/null @@ -1,96 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "leveldb/env.h" - -namespace leveldb { - -Env::~Env() { -} - -SequentialFile::~SequentialFile() { -} - -RandomAccessFile::~RandomAccessFile() { -} - -WritableFile::~WritableFile() { -} - -Logger::~Logger() { -} - -FileLock::~FileLock() { -} - -void Log(Logger* info_log, const char* format, ...) { - if (info_log != NULL) { - va_list ap; - va_start(ap, format); - info_log->Logv(format, ap); - va_end(ap); - } -} - -static Status DoWriteStringToFile(Env* env, const Slice& data, - const std::string& fname, - bool should_sync) { - WritableFile* file; - Status s = env->NewWritableFile(fname, &file); - if (!s.ok()) { - return s; - } - s = file->Append(data); - if (s.ok() && should_sync) { - s = file->Sync(); - } - if (s.ok()) { - s = file->Close(); - } - delete file; // Will auto-close if we did not close above - if (!s.ok()) { - env->DeleteFile(fname); - } - return s; -} - -Status WriteStringToFile(Env* env, const Slice& data, - const std::string& fname) { - return DoWriteStringToFile(env, data, fname, false); -} - -Status WriteStringToFileSync(Env* env, const Slice& data, - const std::string& fname) { - return DoWriteStringToFile(env, data, fname, true); -} - -Status ReadFileToString(Env* env, const std::string& fname, std::string* data) { - data->clear(); - SequentialFile* file; - Status s = env->NewSequentialFile(fname, &file); - if (!s.ok()) { - return s; - } - static const int kBufferSize = 8192; - char* space = new char[kBufferSize]; - while (true) { - Slice fragment; - s = file->Read(kBufferSize, &fragment, space); - if (!s.ok()) { - break; - } - data->append(fragment.data(), fragment.size()); - if (fragment.empty()) { - break; - } - } - delete[] space; - delete file; - return s; -} - -EnvWrapper::~EnvWrapper() { -} - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/env_boost.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/env_boost.cc b/thirdparty/leveldb-1.18/util/env_boost.cc deleted file mode 100755 index 9149706..0000000 --- a/thirdparty/leveldb-1.18/util/env_boost.cc +++ /dev/null @@ -1,726 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include <atomic> -#include <chrono> -#include <cstdint> -#include <deque> -#include <set> -#include <thread> -#include <functional> -#include <memory> -#include <condition_variable> -#include <mutex> - -#ifdef WIN32 -#include <windows.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <time.h> -#include <io.h> -#else -#include <dirent.h> -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/types.h> -#include <sys/param.h> -#include <time.h> -#include <unistd.h> -#endif -#if defined(LEVELDB_PLATFORM_ANDROID) -#include <sys/stat.h> -#endif -#include "leveldb/env.h" -#include "leveldb/slice.h" - -#ifdef WIN32 -#include "util/win_logger.h" -#else -#include "util/posix_logger.h" -#endif -#include "port/port.h" -#include "util/logging.h" - -#ifdef __linux -#include <sys/sysinfo.h> -#include <linux/unistd.h> -#endif - -#include <fstream> - -// Boost includes - see WINDOWS file to see which modules to install -#include <boost/filesystem/convenience.hpp> -#include <boost/interprocess/sync/file_lock.hpp> -#include <boost/lexical_cast.hpp> - -namespace leveldb { -namespace { - -static Status IOError(const std::string& context, int err_number) { - return Status::IOError(context, strerror(err_number)); -} - -static Status WinIOError(const std::string & context, DWORD err) -{ - std::string err_mess; - LPTSTR lpErrorText = NULL; - if (!::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, - 0, - err, - 0, - (LPTSTR)&lpErrorText, - 32000, - 0)) - { - err_mess = "unknown error"; - } - else - { - err_mess = lpErrorText; - ::LocalFree(lpErrorText); - } - return Status::IOError(context, err_mess); -} - -// returns the ID of the current process -static std::uint32_t current_process_id(void) { -#ifdef _WIN32 - return static_cast<std::uint32_t>(::GetCurrentProcessId()); -#else - return static_cast<std::uint32_t>(::getpid()); -#endif -} - -// returns the ID of the current thread -static std::uint32_t current_thread_id(void) { -#ifdef _WIN32 - return static_cast<std::uint32_t>(::GetCurrentThreadId()); -#else -#ifdef __linux - return static_cast<std::uint32_t>(::syscall(__NR_gettid)); -#else - // just return the pid - return current_process_id(); -#endif -#endif -} - -class WindowsSequentialFile: public SequentialFile { - private: - std::string filename_; - HANDLE handle_; - - public: - WindowsSequentialFile(const std::string& fname, HANDLE h) - : filename_(fname), handle_(h) { } - virtual ~WindowsSequentialFile() { CloseHandle(handle_); } - - virtual Status Read(size_t n, Slice* result, char* scratch) { - size_t r = 0; - - if (!::ReadFile(handle_, scratch, static_cast<DWORD>(n), reinterpret_cast<DWORD *>(&r), NULL)) - { - return WinIOError(filename_, GetLastError()); - } - *result = Slice(scratch, r); - return Status::OK(); - } - - virtual Status Skip(uint64_t n) { - const LONG lo = static_cast<LONG>(n & 0xffffffff); - LONG hi = static_cast<LONG>(n >> 32); - if (SetFilePointer(handle_, lo, &hi, FILE_BEGIN) == INVALID_SET_FILE_POINTER) - { - return WinIOError(filename_, GetLastError()); - } - return Status::OK(); - } -}; - -class WindowsRandomAccessFile: public RandomAccessFile { - private: - std::string filename_; - const void * region_; - uint64_t length_; - HANDLE handle_; - - public: - WindowsRandomAccessFile(const std::string& fname, const void * base, uint64_t l, HANDLE h) - : filename_(fname), region_(base), length_(l), handle_(h) { } - virtual ~WindowsRandomAccessFile() - { - if (region_) - { - UnmapViewOfFile(region_); - } - CloseHandle(handle_); - } - - virtual Status Read(uint64_t offset, size_t n, Slice* result, - char* scratch) const { - Status s; - if (offset + static_cast<uint64_t>(n) > length_) { - *result = Slice(); - s = IOError(filename_, EINVAL); - } else { - *result = Slice(reinterpret_cast<const char*>(region_) + offset, n); - } - return s; - } -}; - -class WindowsWritableFile : public WritableFile { - -private: - boost::filesystem::path filename_; - HANDLE handle_; - -public: - WindowsWritableFile(const std::string& fname, HANDLE h) - : filename_(fname), handle_(h) { } - - ~WindowsWritableFile() { CloseHandle(handle_); } - -public: - virtual Status Append(const Slice& data) { - - DWORD written = 0; - - if (!::WriteFile(handle_, data.data(), static_cast<DWORD>(data.size()), &written, NULL)) - { - return WinIOError(filename_.string(), ::GetLastError()); - } - - if (static_cast<size_t>(written) != data.size()) - { - return Status::IOError(filename_.string(), "could not write all bytes to disk"); - } - - return Status::OK(); - } - - virtual Status Close() { - ::CloseHandle(handle_); - handle_ = NULL; - return Status::OK(); - } - - virtual Status Flush() { - return Status::OK(); - } - - virtual Status Sync() { - return Status::OK(); - } - - -}; - -class BoostFileLock : public FileLock { - public: - std::ofstream file_; - boost::interprocess::file_lock fl_; - std::string name_; -}; - -// Set of locked files. We keep a separate set instead of just -// relying on fcntrl(F_SETLK) since fcntl(F_SETLK) does not provide -// any protection against multiple uses from the same process. -class BoostLockTable { - private: - std::mutex mu_; - std::set<std::string> locked_files_; - public: - bool Insert(const std::string& fname) { - std::unique_lock<std::mutex> l(mu_); - return locked_files_.insert(fname).second; - } - void Remove(const std::string& fname) { - std::unique_lock<std::mutex> l(mu_); - locked_files_.erase(fname); - } -}; - -class PosixEnv : public Env { - public: - PosixEnv(); - virtual ~PosixEnv() - { - bool expected = true; - if (run_bg_thread_.compare_exchange_strong(expected, false)) - { - bgsignal_.notify_one(); - } - - std::thread * t = nullptr; - - { - std::unique_lock<std::mutex> lock(mu_); - t = bgthread_.get(); - } - - if (t) - { - t->join(); - } - - std::unique_lock<std::mutex> lock(mu_); - bgthread_.reset(); - - queue_.clear(); - } - - virtual Status NewSequentialFile(const std::string& fname, - SequentialFile** result) { - HANDLE h = ::CreateFile(fname.c_str(), - GENERIC_READ, - FILE_SHARE_READ, - NULL, - OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, - NULL); - - if (h == INVALID_HANDLE_VALUE) - { - return WinIOError(fname, ::GetLastError()); - } - *result = new WindowsSequentialFile(fname, h); - return Status::OK(); - } - - virtual Status NewRandomAccessFile(const std::string& fname, - RandomAccessFile** result) { - HANDLE h = ::CreateFile(fname.c_str(), - GENERIC_READ, - FILE_SHARE_READ, - NULL, - OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL, - NULL); - - if (h == INVALID_HANDLE_VALUE) - { - return WinIOError(fname, ::GetLastError()); - } - - DWORD hi_size = 0; - - const DWORD lo_size = ::GetFileSize(h, &hi_size); - - Status s; - - if (lo_size == INVALID_FILE_SIZE) - { - s = WinIOError(fname, ::GetLastError()); - } - - const uint64_t file_size = (static_cast<uint64_t>(hi_size) << 32uLL) + static_cast<uint64_t>(lo_size); - - HANDLE map = NULL; - const void * base = nullptr; - - if (s.ok()) - { - map = ::CreateFileMapping(h, NULL, PAGE_READONLY, 0, 0, NULL); - - if (map == NULL) - { - s = WinIOError(fname, ::GetLastError()); - } - - // handle of the file no longer needed whether we knew success or failure - ::CloseHandle(h); - - if (map) - { - base = ::MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0); - if (!base) - { - s = WinIOError(fname, ::GetLastError()); - ::CloseHandle(map); - } - } - } - - if (s.ok()) - { - *result = new WindowsRandomAccessFile(fname, base, file_size, map); - } - - return s; - } - - virtual Status NewWritableFile(const std::string& fname, - WritableFile** result) { - - HANDLE h = ::CreateFile(fname.c_str(), - GENERIC_WRITE, - 0, - NULL, - CREATE_ALWAYS, - FILE_ATTRIBUTE_NORMAL, - NULL); - - if (h == INVALID_HANDLE_VALUE) - { - return WinIOError(fname, ::GetLastError()); - } - - *result = new WindowsWritableFile(fname, h); - return Status::OK(); - } - - virtual bool FileExists(const std::string& fname) { - boost::system::error_code ec; - return boost::filesystem::exists(fname, ec); - } - - virtual Status GetChildren(const std::string& dir, - std::vector<std::string>* result) { - result->clear(); - - boost::system::error_code ec; - boost::filesystem::directory_iterator current(dir, ec); - if (ec != 0) { - return Status::IOError(dir, ec.message()); - } - - boost::filesystem::directory_iterator end; - - for(; current != end; ++current) { - result->push_back(current->path().filename().generic_string()); - } - - return Status::OK(); - } - - virtual Status DeleteFile(const std::string& fname) { - boost::system::error_code ec; - - boost::filesystem::remove(fname, ec); - - Status result; - - if (ec != 0) { - result = Status::IOError(fname, ec.message()); - } - - return result; - } - - virtual Status CreateDir(const std::string& name) { - Status result; - - boost::system::error_code ec; - - if (boost::filesystem::exists(name, ec) && - boost::filesystem::is_directory(name, ec)) { - return result; - } - - if (!boost::filesystem::create_directories(name, ec)) { - result = Status::IOError(name, ec.message()); - } - - return result; - }; - - virtual Status DeleteDir(const std::string& name) { - Status result; - - boost::system::error_code ec; - if (!boost::filesystem::remove_all(name, ec)) { - result = Status::IOError(name, ec.message()); - } - - return result; - }; - - virtual Status GetFileSize(const std::string& fname, uint64_t* size) { - boost::system::error_code ec; - - Status result; - - *size = static_cast<uint64_t>(boost::filesystem::file_size(fname, ec)); - if (ec != 0) { - *size = 0; - result = Status::IOError(fname, ec.message()); - } - - return result; - } - - virtual Status RenameFile(const std::string& src, const std::string& target) { - boost::system::error_code ec; - - boost::filesystem::rename(src, target, ec); - - Status result; - - if (ec != 0) { - result = Status::IOError(src, ec.message()); - } - - return result; - } - - - virtual Status LockFile(const std::string& fname, FileLock** lock) { - *lock = nullptr; - std::ofstream of(fname.c_str(), std::ios_base::trunc | std::ios_base::out); - if (of.bad()) { - return Status::IOError("lock " + fname, "cannot create lock file"); - } - if (!locks_.Insert(fname)) { - of.close(); - return Status::IOError("lock " + fname, "already held by process"); - } - boost::interprocess::file_lock fl(fname.c_str()); - if (!fl.try_lock()) { - of.close(); - locks_.Remove(fname); - return Status::IOError("lock " + fname, "database already in use: could not acquire exclusive lock" ); - } - BoostFileLock * my_lock = new BoostFileLock(); - my_lock->name_ = fname; - my_lock->file_ = std::move(of); - my_lock->fl_ = std::move(fl); - *lock = my_lock; - return Status(); - } - - - - virtual Status UnlockFile(FileLock* lock) { - BoostFileLock * my_lock = static_cast<BoostFileLock *>(lock); - Status result; - try { - my_lock->fl_.unlock(); - } catch (const std::exception & e) { - result = Status::IOError("unlock " + my_lock->name_, e.what()); - } - locks_.Remove(my_lock->name_); - my_lock->file_.close(); - delete my_lock; - return result; - } - - virtual void Schedule(void (*function)(void*), void* arg); - - virtual Status GetTestDirectory(std::string* result) { - boost::system::error_code ec; - boost::filesystem::path temp_dir = - boost::filesystem::temp_directory_path(ec); - if (ec != 0) { - temp_dir = "tmp"; - } - - temp_dir /= "leveldb_tests"; - temp_dir /= boost::lexical_cast<std::string>(current_process_id()); - - // Directory may already exist - CreateDir(temp_dir.generic_string()); - - *result = temp_dir.generic_string(); - - return Status::OK(); - } - -#ifndef WIN32 - static uint64_t gettid() { - pthread_t tid = pthread_self(); - uint64_t thread_id = 0; - memcpy(&thread_id, &tid, std::min(sizeof(thread_id), sizeof(tid))); - return thread_id; - } -#endif - - virtual Status NewLogger(const std::string& fname, Logger** result) { - FILE* f = fopen(fname.c_str(), "wt"); - if (f == NULL) { - *result = NULL; - return Status::IOError(fname, strerror(errno)); - } else { -#ifdef WIN32 - *result = new WinLogger(f); -#else - *result = new PosixLogger(f, &PosixEnv::gettid); -#endif - return Status::OK(); - } - } - - virtual uint64_t NowMicros() { - return static_cast<uint64_t>( - std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count()); - } - - virtual void SleepForMicroseconds(int micros) { - std::this_thread::sleep_for(std::chrono::microseconds(micros)); - } - - public: - virtual std::thread::native_handle_type GetBackgroundThreadHandle() { - return bgthread_ ? bgthread_->native_handle() : std::thread::native_handle_type(); - } - - // BGThread() is the body of the background thread - void BGThread(); - - static void* BGThreadWrapper(void* arg) { - reinterpret_cast<PosixEnv*>(arg)->BGThread(); - return NULL; - } - - std::mutex mu_; - std::condition_variable bgsignal_; - std::unique_ptr<std::thread> bgthread_; - - // Entry per Schedule() call - struct BGItem { void* arg; void (*function)(void*); }; - typedef std::deque<BGItem> BGQueue; - BGQueue queue_; - std::atomic<bool> run_bg_thread_; - - BoostLockTable locks_; -}; - -PosixEnv::PosixEnv() { } - -void PosixEnv::Schedule(void (*function)(void*), void* arg) { - std::unique_lock<std::mutex> lock(mu_); - - // Start background thread if necessary - if (!bgthread_) { - run_bg_thread_ = true; - bgthread_.reset(new std::thread(std::bind(&PosixEnv::BGThreadWrapper, this))); - } - - // Add to priority queue - queue_.push_back(BGItem()); - queue_.back().function = function; - queue_.back().arg = arg; - - lock.unlock(); - - bgsignal_.notify_one(); - -} - -#ifdef _MSC_VER -// we use SEH, we cannot have a destructor, therefore we pass a pure pointer -static void name_this_thread(const char * thread_name) -{ - if (!::IsDebuggerPresent()) - { - // no need to do this if no debugger is present, remember threads in Windows don't really have name - // this is just a secret handshake with Visual Studio to name threads and make debugging more pleasant - // on UNIXES however the name will appear in utilities such as htop - return; - } - - static const DWORD MS_VC_EXCEPTION = 0x406D1388; - -#pragma pack(push,8) - struct THREADNAME_INFO - { - DWORD dwType; // Must be 0x1000. - LPCSTR szName; // Pointer to name (in user addr space). - DWORD dwThreadID; // Thread ID (-1=caller thread). - DWORD dwFlags; // Reserved for future use, must be zero. - }; -#pragma pack(pop) - - THREADNAME_INFO info; - info.dwType = 0x1000; - info.szName = thread_name; - info.dwThreadID = ::GetCurrentThreadId(); - info.dwFlags = 0; - - __try - { - RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*)&info); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - } - -} -#else - -// useful for debugging to name the thread, since we only use env_boost.cc for Windows -// we have this macro -// for env_posix.cc we also do the right thing for FreeBSD, Linux and MacOS - -static void name_this_thread(const char *) {} -#endif - -void PosixEnv::BGThread() { - - name_this_thread("leveldb background"); - - try - { - while (run_bg_thread_) { - // Wait until there is an item that is ready to run - std::unique_lock<std::mutex> lock(mu_); - - while (queue_.empty() && run_bg_thread_) { - bgsignal_.wait(lock); - } - - if (!run_bg_thread_) - { - break; - } - - void (*function)(void*) = queue_.front().function; - void* arg = queue_.front().arg; - queue_.pop_front(); - - lock.unlock(); - (*function)(arg); - } - } - catch (...) {} - -} - -} - -static std::once_flag once; -static Env* default_env = nullptr; -static void InitDefaultEnv() { - default_env = new PosixEnv(); - - // force background thread creation so that thread affinity can work - default_env->Schedule([](void *) {}, nullptr); -} - -Env* Env::Default() { - std::call_once(once, InitDefaultEnv); - return default_env; -} - -void Env::UnsafeDeallocate() { - // will not be able to call again, but the purpose of this function is to get rid of fake alerts by analyzers - delete default_env; - default_env = nullptr; -} - - - -} http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/env_posix.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/env_posix.cc b/thirdparty/leveldb-1.18/util/env_posix.cc deleted file mode 100755 index 4e9503b..0000000 --- a/thirdparty/leveldb-1.18/util/env_posix.cc +++ /dev/null @@ -1,654 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include <dirent.h> -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/types.h> -#include <time.h> -#include <unistd.h> -#include <deque> -#include <set> -#include "leveldb/env.h" -#include "leveldb/slice.h" -#include "port/port.h" -#include "util/logging.h" -#include "util/mutexlock.h" -#include "util/posix_logger.h" - -#ifdef OS_FREEBSD -#include <pthread_np.h> -#endif - -#ifdef OS_LINUX -#include <sys/prctl.h> -#endif - -namespace leveldb { - -namespace { - -static Status IOError(const std::string& context, int err_number) { - return Status::IOError(context, strerror(err_number)); -} - -class PosixSequentialFile: public SequentialFile { - private: - std::string filename_; - FILE* file_; - - public: - PosixSequentialFile(const std::string& fname, FILE* f) - : filename_(fname), file_(f) { } - virtual ~PosixSequentialFile() { fclose(file_); } - - virtual Status Read(size_t n, Slice* result, char* scratch) { - Status s; - size_t r = fread_unlocked(scratch, 1, n, file_); - *result = Slice(scratch, r); - if (r < n) { - if (feof(file_)) { - // We leave status as ok if we hit the end of the file - } else { - // A partial read with an error: return a non-ok status - s = IOError(filename_, errno); - } - } - return s; - } - - virtual Status Skip(uint64_t n) { - if (fseek(file_, n, SEEK_CUR)) { - return IOError(filename_, errno); - } - return Status::OK(); - } -}; - -// pread() based random-access -class PosixRandomAccessFile: public RandomAccessFile { - private: - std::string filename_; - int fd_; - - public: - PosixRandomAccessFile(const std::string& fname, int fd) - : filename_(fname), fd_(fd) { } - virtual ~PosixRandomAccessFile() { close(fd_); } - - virtual Status Read(uint64_t offset, size_t n, Slice* result, - char* scratch) const { - Status s; - ssize_t r = pread(fd_, scratch, n, static_cast<off_t>(offset)); - *result = Slice(scratch, (r < 0) ? 0 : r); - if (r < 0) { - // An error: return a non-ok status - s = IOError(filename_, errno); - } - return s; - } -}; - -// Helper class to limit mmap file usage so that we do not end up -// running out virtual memory or running into kernel performance -// problems for very large databases. -class MmapLimiter { - public: - // Up to 1000 mmaps for 64-bit binaries; none for smaller pointer sizes. - MmapLimiter() { - SetAllowed(sizeof(void*) >= 8 ? 1000 : 0); - } - - // If another mmap slot is available, acquire it and return true. - // Else return false. - bool Acquire() { - if (GetAllowed() <= 0) { - return false; - } - MutexLock l(&mu_); - intptr_t x = GetAllowed(); - if (x <= 0) { - return false; - } else { - SetAllowed(x - 1); - return true; - } - } - - // Release a slot acquired by a previous call to Acquire() that returned true. - void Release() { - MutexLock l(&mu_); - SetAllowed(GetAllowed() + 1); - } - - private: - port::Mutex mu_; - port::AtomicPointer allowed_; - - intptr_t GetAllowed() const { - return reinterpret_cast<intptr_t>(allowed_.Acquire_Load()); - } - - // REQUIRES: mu_ must be held - void SetAllowed(intptr_t v) { - allowed_.Release_Store(reinterpret_cast<void*>(v)); - } - - MmapLimiter(const MmapLimiter&); - void operator=(const MmapLimiter&); -}; - -// mmap() based random-access -class PosixMmapReadableFile: public RandomAccessFile { - private: - std::string filename_; - void* mmapped_region_; - size_t length_; - MmapLimiter* limiter_; - - public: - // base[0,length-1] contains the mmapped contents of the file. - PosixMmapReadableFile(const std::string& fname, void* base, size_t length, - MmapLimiter* limiter) - : filename_(fname), mmapped_region_(base), length_(length), - limiter_(limiter) { - } - - virtual ~PosixMmapReadableFile() { - munmap(mmapped_region_, length_); - limiter_->Release(); - } - - virtual Status Read(uint64_t offset, size_t n, Slice* result, - char* scratch) const { - Status s; - if (offset + n > length_) { - *result = Slice(); - s = IOError(filename_, EINVAL); - } else { - *result = Slice(reinterpret_cast<char*>(mmapped_region_) + offset, n); - } - return s; - } -}; - -class PosixWritableFile : public WritableFile { - private: - std::string filename_; - FILE* file_; - - public: - PosixWritableFile(const std::string& fname, FILE* f) - : filename_(fname), file_(f) { } - - ~PosixWritableFile() { - if (file_ != NULL) { - // Ignoring any potential errors - fclose(file_); - } - } - - virtual Status Append(const Slice& data) { - size_t r = fwrite_unlocked(data.data(), 1, data.size(), file_); - if (r != data.size()) { - return IOError(filename_, errno); - } - return Status::OK(); - } - - virtual Status Close() { - Status result; - if (fclose(file_) != 0) { - result = IOError(filename_, errno); - } - file_ = NULL; - return result; - } - - virtual Status Flush() { - if (fflush_unlocked(file_) != 0) { - return IOError(filename_, errno); - } - return Status::OK(); - } - - Status SyncDirIfManifest() { - const char* f = filename_.c_str(); - const char* sep = strrchr(f, '/'); - Slice basename; - std::string dir; - if (sep == NULL) { - dir = "."; - basename = f; - } else { - dir = std::string(f, sep - f); - basename = sep + 1; - } - Status s; - if (basename.starts_with("MANIFEST")) { - int fd = open(dir.c_str(), O_RDONLY); - if (fd < 0) { - s = IOError(dir, errno); - } else { - if (fsync(fd) < 0) { - s = IOError(dir, errno); - } - close(fd); - } - } - return s; - } - - virtual Status Sync() { - // Ensure new files referred to by the manifest are in the filesystem. - Status s = SyncDirIfManifest(); - if (!s.ok()) { - return s; - } - if (fflush_unlocked(file_) != 0 || - fdatasync(fileno(file_)) != 0) { - s = Status::IOError(filename_, strerror(errno)); - } - return s; - } -}; - -static int LockOrUnlock(int fd, bool lock) { - errno = 0; - struct flock f; - memset(&f, 0, sizeof(f)); - f.l_type = (lock ? F_WRLCK : F_UNLCK); - f.l_whence = SEEK_SET; - f.l_start = 0; - f.l_len = 0; // Lock/unlock entire file - return fcntl(fd, F_SETLK, &f); -} - -class PosixFileLock : public FileLock { - public: - int fd_; - std::string name_; -}; - -// Set of locked files. We keep a separate set instead of just -// relying on fcntrl(F_SETLK) since fcntl(F_SETLK) does not provide -// any protection against multiple uses from the same process. -class PosixLockTable { - private: - port::Mutex mu_; - std::set<std::string> locked_files_; - public: - bool Insert(const std::string& fname) { - MutexLock l(&mu_); - return locked_files_.insert(fname).second; - } - void Remove(const std::string& fname) { - MutexLock l(&mu_); - locked_files_.erase(fname); - } -}; - -class PosixEnv : public Env { - public: - PosixEnv(); - virtual ~PosixEnv() - { - bool expected = true; - if (started_bgthread_.compare_exchange_strong(expected, false)) - { - // signal the thread that we want to stop - PthreadCall("lock", pthread_mutex_lock(&mu_)); - if (running_) - { - PthreadCall("signal", pthread_cond_signal(&bgsignal_)); - running_ = false; - } - PthreadCall("unlock", pthread_mutex_unlock(&mu_)); - - // wait for thread termination - PthreadCall("join", pthread_join(bgthread_, nullptr)); - } - } - - virtual Status NewSequentialFile(const std::string& fname, - SequentialFile** result) { - FILE* f = fopen(fname.c_str(), "r"); - if (f == NULL) { - *result = NULL; - return IOError(fname, errno); - } else { - *result = new PosixSequentialFile(fname, f); - return Status::OK(); - } - } - - virtual Status NewRandomAccessFile(const std::string& fname, - RandomAccessFile** result) { - *result = NULL; - Status s; - int fd = open(fname.c_str(), O_RDONLY); - if (fd < 0) { - s = IOError(fname, errno); - } else if (mmap_limit_.Acquire()) { - uint64_t size; - s = GetFileSize(fname, &size); - if (s.ok()) { - void* base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); - if (base != MAP_FAILED) { - *result = new PosixMmapReadableFile(fname, base, size, &mmap_limit_); - } else { - s = IOError(fname, errno); - } - } - close(fd); - if (!s.ok()) { - mmap_limit_.Release(); - } - } else { - *result = new PosixRandomAccessFile(fname, fd); - } - return s; - } - - virtual Status NewWritableFile(const std::string& fname, - WritableFile** result) { - Status s; - FILE* f = fopen(fname.c_str(), "w"); - if (f == NULL) { - *result = NULL; - s = IOError(fname, errno); - } else { - *result = new PosixWritableFile(fname, f); - } - return s; - } - - virtual bool FileExists(const std::string& fname) { - return access(fname.c_str(), F_OK) == 0; - } - - virtual Status GetChildren(const std::string& dir, - std::vector<std::string>* result) { - result->clear(); - DIR* d = opendir(dir.c_str()); - if (d == NULL) { - return IOError(dir, errno); - } - struct dirent* entry; - while ((entry = readdir(d)) != NULL) { - result->push_back(entry->d_name); - } - closedir(d); - return Status::OK(); - } - - virtual Status DeleteFile(const std::string& fname) { - Status result; - if (unlink(fname.c_str()) != 0) { - result = IOError(fname, errno); - } - return result; - } - - virtual Status CreateDir(const std::string& name) { - Status result; - if (mkdir(name.c_str(), 0755) != 0) { - result = IOError(name, errno); - } - return result; - } - - virtual Status DeleteDir(const std::string& name) { - Status result; - if (rmdir(name.c_str()) != 0) { - result = IOError(name, errno); - } - return result; - } - - virtual Status GetFileSize(const std::string& fname, uint64_t* size) { - Status s; - struct stat sbuf; - if (stat(fname.c_str(), &sbuf) != 0) { - *size = 0; - s = IOError(fname, errno); - } else { - *size = sbuf.st_size; - } - return s; - } - - virtual Status RenameFile(const std::string& src, const std::string& target) { - Status result; - if (rename(src.c_str(), target.c_str()) != 0) { - result = IOError(src, errno); - } - return result; - } - - virtual Status LockFile(const std::string& fname, FileLock** lock) { - *lock = NULL; - Status result; - int fd = open(fname.c_str(), O_RDWR | O_CREAT, 0644); - if (fd < 0) { - result = IOError(fname, errno); - } else if (!locks_.Insert(fname)) { - close(fd); - result = Status::IOError("lock " + fname, "already held by process"); - } else if (LockOrUnlock(fd, true) == -1) { - result = IOError("lock " + fname, errno); - close(fd); - locks_.Remove(fname); - } else { - PosixFileLock* my_lock = new PosixFileLock; - my_lock->fd_ = fd; - my_lock->name_ = fname; - *lock = my_lock; - } - return result; - } - - virtual Status UnlockFile(FileLock* lock) { - PosixFileLock* my_lock = reinterpret_cast<PosixFileLock*>(lock); - Status result; - if (LockOrUnlock(my_lock->fd_, false) == -1) { - result = IOError("unlock", errno); - } - locks_.Remove(my_lock->name_); - close(my_lock->fd_); - delete my_lock; - return result; - } - - virtual void Schedule(void (*function)(void*), void* arg); - - virtual Status GetTestDirectory(std::string* result) { - const char* env = getenv("TEST_TMPDIR"); - if (env && env[0] != '\0') { - *result = env; - } else { - char buf[100]; - snprintf(buf, sizeof(buf), "/tmp/leveldbtest-%d", int(geteuid())); - *result = buf; - } - // Directory may already exist - CreateDir(*result); - return Status::OK(); - } - - static uint64_t gettid() { - pthread_t tid = pthread_self(); - uint64_t thread_id = 0; - memcpy(&thread_id, &tid, std::min(sizeof(thread_id), sizeof(tid))); - return thread_id; - } - - virtual Status NewLogger(const std::string& fname, Logger** result) { - FILE* f = fopen(fname.c_str(), "w"); - if (f == NULL) { - *result = NULL; - return IOError(fname, errno); - } else { - *result = new PosixLogger(f, &PosixEnv::gettid); - return Status::OK(); - } - } - - virtual uint64_t NowMicros() { - struct timeval tv; - gettimeofday(&tv, NULL); - return static_cast<uint64_t>(tv.tv_sec) * 1000000 + tv.tv_usec; - } - - virtual void SleepForMicroseconds(int micros) { - usleep(micros); - } - - private: - void PthreadCall(const char* label, int result) { - if (result != 0) { - fprintf(stderr, "pthread %s: %s\n", label, strerror(result)); - exit(1); - } - } - - public: - virtual std::thread::native_handle_type GetBackgroundThreadHandle() { - return bgthread_; - } - - // BGThread() is the body of the background thread - void BGThread(); - static void* BGThreadWrapper(void* arg) { - reinterpret_cast<PosixEnv*>(arg)->BGThread(); - return NULL; - } - - - pthread_mutex_t mu_; - pthread_cond_t bgsignal_; - pthread_t bgthread_; - - std::atomic<bool> started_bgthread_; - volatile bool running_; - - // Entry per Schedule() call - struct BGItem { void* arg; void (*function)(void*); }; - typedef std::deque<BGItem> BGQueue; - BGQueue queue_; - - PosixLockTable locks_; - MmapLimiter mmap_limit_; -}; - -PosixEnv::PosixEnv() : bgthread_(0), - started_bgthread_(false), - running_(false) { - PthreadCall("mutex_init", pthread_mutex_init(&mu_, NULL)); - PthreadCall("cvar_init", pthread_cond_init(&bgsignal_, NULL)); -} - -void PosixEnv::Schedule(void (*function)(void*), void* arg) { - PthreadCall("lock", pthread_mutex_lock(&mu_)); - - bool expected = false; - - // Start background thread if necessary - // compare_exchange_strong returns true iff the value was changed - if (started_bgthread_.compare_exchange_strong(expected, /*desired=*/true)) { - running_ = true; - PthreadCall( - "create thread", - pthread_create(&bgthread_, NULL, &PosixEnv::BGThreadWrapper, this)); - } - - // If the queue is currently empty, the background thread may currently be - // waiting. - if (queue_.empty()) { - PthreadCall("signal", pthread_cond_signal(&bgsignal_)); - } - - // Add to priority queue - queue_.push_back(BGItem()); - queue_.back().function = function; - queue_.back().arg = arg; - - PthreadCall("unlock", pthread_mutex_unlock(&mu_)); -} - -void PosixEnv::BGThread() { - - // useful for debugging to name the thread, but for each platform, it changes... - -#ifdef OS_MACOSX - pthread_setname_np("leveldb background"); -#endif - -#ifdef OS_FREEBSD - pthread_set_name_np(pthread_self(), "leveldb background"); -#endif - -#ifdef OS_LINUX - prctl(PR_SET_NAME, "leveldb background", 0, 0, 0); -#endif - - while (running_) { - // Wait until there is an item that is ready to run - PthreadCall("lock", pthread_mutex_lock(&mu_)); - while (queue_.empty() && running_) { - PthreadCall("wait", pthread_cond_wait(&bgsignal_, &mu_)); - } - - void (*function)(void*) = nullptr; - void* arg = nullptr; - - if (running_) - { - function = queue_.front().function; - arg = queue_.front().arg; - queue_.pop_front(); - } - - PthreadCall("unlock", pthread_mutex_unlock(&mu_)); - - if (function) - { - (*function)(arg); - } - } -} - -} // namespace - -static const pthread_once_t init_value = PTHREAD_ONCE_INIT; -static pthread_once_t once = PTHREAD_ONCE_INIT; -static Env* default_env = nullptr; -static void InitDefaultEnv() -{ - default_env = new PosixEnv(); - - // force background thread creation so that thread affinity can work - default_env->Schedule([](void *) {}, nullptr); -} - -Env* Env::Default() { - pthread_once(&once, InitDefaultEnv); - return default_env; -} - -void Env::UnsafeDeallocate() -{ - once = init_value; - delete default_env; - default_env = nullptr; -} - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/env_test.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/env_test.cc b/thirdparty/leveldb-1.18/util/env_test.cc deleted file mode 100755 index 2b97165..0000000 --- a/thirdparty/leveldb-1.18/util/env_test.cc +++ /dev/null @@ -1,71 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "leveldb/env.h" - -#include "port/port.h" -#include "util/testharness.h" - -namespace leveldb { - -static const int kDelayMicros = 100000; - -class EnvPosixTest { - private: - port::Mutex mu_; - std::string events_; - - public: - Env* env_; - EnvPosixTest() : env_(Env::Default()) { } -}; - -static void SetBool(void* ptr) { - reinterpret_cast<port::AtomicPointer*>(ptr)->NoBarrier_Store(ptr); -} - -TEST(EnvPosixTest, RunImmediately) { - port::AtomicPointer called (NULL); - env_->Schedule(&SetBool, &called); - Env::Default()->SleepForMicroseconds(kDelayMicros); - ASSERT_TRUE(called.NoBarrier_Load() != NULL); -} - -TEST(EnvPosixTest, RunMany) { - port::AtomicPointer last_id (NULL); - - struct CB { - port::AtomicPointer* last_id_ptr; // Pointer to shared slot - uintptr_t id; // Order# for the execution of this callback - - CB(port::AtomicPointer* p, int i) : last_id_ptr(p), id(i) { } - - static void Run(void* v) { - CB* cb = reinterpret_cast<CB*>(v); - void* cur = cb->last_id_ptr->NoBarrier_Load(); - ASSERT_EQ(cb->id-1, reinterpret_cast<uintptr_t>(cur)); - cb->last_id_ptr->Release_Store(reinterpret_cast<void*>(cb->id)); - } - }; - - // Schedule in different order than start time - CB cb1(&last_id, 1); - CB cb2(&last_id, 2); - CB cb3(&last_id, 3); - CB cb4(&last_id, 4); - env_->Schedule(&CB::Run, &cb1); - env_->Schedule(&CB::Run, &cb2); - env_->Schedule(&CB::Run, &cb3); - env_->Schedule(&CB::Run, &cb4); - - Env::Default()->SleepForMicroseconds(kDelayMicros); - void* cur = last_id.Acquire_Load(); - ASSERT_EQ(4, reinterpret_cast<uintptr_t>(cur)); -} - -} // namespace leveldb - -int main(int argc, char** argv) { - return leveldb::test::RunAllTests(); -} http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/filter_policy.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/filter_policy.cc b/thirdparty/leveldb-1.18/util/filter_policy.cc deleted file mode 100755 index 7b045c8..0000000 --- a/thirdparty/leveldb-1.18/util/filter_policy.cc +++ /dev/null @@ -1,11 +0,0 @@ -// Copyright (c) 2012 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "leveldb/filter_policy.h" - -namespace leveldb { - -FilterPolicy::~FilterPolicy() { } - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/hash.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/hash.cc b/thirdparty/leveldb-1.18/util/hash.cc deleted file mode 100755 index f4aaa21..0000000 --- a/thirdparty/leveldb-1.18/util/hash.cc +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include <string.h> -#include "util/coding.h" -#include "util/hash.h" - -// The FALLTHROUGH_INTENDED macro can be used to annotate implicit fall-through -// between switch labels. The real definition should be provided externally. -// This one is a fallback version for unsupported compilers. -#ifndef FALLTHROUGH_INTENDED -#define FALLTHROUGH_INTENDED do { } while (0) -#endif - -namespace leveldb { - -uint32_t Hash(const void * data, size_t n, uint32_t seed) { - - const unsigned char * p = static_cast<const unsigned char *>(data); - - // Similar to murmur hash - const uint32_t m = 0xc6a4a793; - const uint32_t r = 24; - const unsigned char * limit = p + n; - uint32_t h = seed ^ (static_cast<uint32_t>(n) * m); - - // Pick up four bytes at a time - while (p + 4 <= limit) { - uint32_t w = DecodeFixed32(p); - p += 4; - h += w; - h *= m; - h ^= (h >> 16); - } - - // Pick up remaining bytes - switch (limit - p) { - case 3: - h += p[2] << 16; - FALLTHROUGH_INTENDED; - case 2: - h += p[1] << 8; - FALLTHROUGH_INTENDED; - case 1: - h += p[0]; - h *= m; - h ^= (h >> r); - break; - } - return h; -} - - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/hash.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/hash.h b/thirdparty/leveldb-1.18/util/hash.h deleted file mode 100755 index 5b12af7..0000000 --- a/thirdparty/leveldb-1.18/util/hash.h +++ /dev/null @@ -1,19 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. -// -// Simple hash function used for internal data structures - -#ifndef STORAGE_LEVELDB_UTIL_HASH_H_ -#define STORAGE_LEVELDB_UTIL_HASH_H_ - -#include <stddef.h> -#include <stdint.h> - -namespace leveldb { - -extern uint32_t Hash(const void * data, size_t n, uint32_t seed); - -} - -#endif // STORAGE_LEVELDB_UTIL_HASH_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/hash_test.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/hash_test.cc b/thirdparty/leveldb-1.18/util/hash_test.cc deleted file mode 100755 index 7b47e03..0000000 --- a/thirdparty/leveldb-1.18/util/hash_test.cc +++ /dev/null @@ -1,54 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "util/hash.h" -#include "util/testharness.h" - -namespace leveldb { - -class HASH { }; - -TEST(HASH, SignedUnsignedIssue) { - const unsigned char data1[1] = {0x62}; - const unsigned char data2[2] = {0xc3, 0x97}; - const unsigned char data3[3] = {0xe2, 0x99, 0xa5}; - const unsigned char data4[4] = {0xe1, 0x80, 0xb9, 0x32}; - const unsigned char data5[48] = { - 0x01, 0xc0, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x14, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x04, 0x00, - 0x00, 0x00, 0x00, 0x14, - 0x00, 0x00, 0x00, 0x18, - 0x28, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x02, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - }; - - ASSERT_EQ(Hash(0, 0, 0xbc9f1d34), 0xbc9f1d34); - ASSERT_EQ( - Hash(data1, sizeof(data1), 0xbc9f1d34), - 0xef1345c4); - ASSERT_EQ( - Hash(data2, sizeof(data2), 0xbc9f1d34), - 0x5b663814); - ASSERT_EQ( - Hash(data3, sizeof(data3), 0xbc9f1d34), - 0x323c078f); - ASSERT_EQ( - Hash(data4, sizeof(data4), 0xbc9f1d34), - 0xed21633a); - ASSERT_EQ( - Hash(data5, sizeof(data5), 0x12345678), - 0xf333dabb); -} - -} // namespace leveldb - -int main(int argc, char** argv) { - return leveldb::test::RunAllTests(); -} http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/histogram.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/histogram.cc b/thirdparty/leveldb-1.18/util/histogram.cc deleted file mode 100755 index bb95f58..0000000 --- a/thirdparty/leveldb-1.18/util/histogram.cc +++ /dev/null @@ -1,139 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include <math.h> -#include <stdio.h> -#include "port/port.h" -#include "util/histogram.h" - -namespace leveldb { - -const double Histogram::kBucketLimit[kNumBuckets] = { - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45, - 50, 60, 70, 80, 90, 100, 120, 140, 160, 180, 200, 250, 300, 350, 400, 450, - 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800, 2000, 2500, 3000, - 3500, 4000, 4500, 5000, 6000, 7000, 8000, 9000, 10000, 12000, 14000, - 16000, 18000, 20000, 25000, 30000, 35000, 40000, 45000, 50000, 60000, - 70000, 80000, 90000, 100000, 120000, 140000, 160000, 180000, 200000, - 250000, 300000, 350000, 400000, 450000, 500000, 600000, 700000, 800000, - 900000, 1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2500000, - 3000000, 3500000, 4000000, 4500000, 5000000, 6000000, 7000000, 8000000, - 9000000, 10000000, 12000000, 14000000, 16000000, 18000000, 20000000, - 25000000, 30000000, 35000000, 40000000, 45000000, 50000000, 60000000, - 70000000, 80000000, 90000000, 100000000, 120000000, 140000000, 160000000, - 180000000, 200000000, 250000000, 300000000, 350000000, 400000000, - 450000000, 500000000, 600000000, 700000000, 800000000, 900000000, - 1000000000, 1200000000, 1400000000, 1600000000, 1800000000, 2000000000, - 2500000000.0, 3000000000.0, 3500000000.0, 4000000000.0, 4500000000.0, - 5000000000.0, 6000000000.0, 7000000000.0, 8000000000.0, 9000000000.0, - 1e200, -}; - -void Histogram::Clear() { - min_ = kBucketLimit[kNumBuckets-1]; - max_ = 0; - num_ = 0; - sum_ = 0; - sum_squares_ = 0; - for (int i = 0; i < kNumBuckets; i++) { - buckets_[i] = 0; - } -} - -void Histogram::Add(double value) { - // Linear search is fast enough for our usage in db_bench - int b = 0; - while (b < kNumBuckets - 1 && kBucketLimit[b] <= value) { - b++; - } - buckets_[b] += 1.0; - if (min_ > value) min_ = value; - if (max_ < value) max_ = value; - num_++; - sum_ += value; - sum_squares_ += (value * value); -} - -void Histogram::Merge(const Histogram& other) { - if (other.min_ < min_) min_ = other.min_; - if (other.max_ > max_) max_ = other.max_; - num_ += other.num_; - sum_ += other.sum_; - sum_squares_ += other.sum_squares_; - for (int b = 0; b < kNumBuckets; b++) { - buckets_[b] += other.buckets_[b]; - } -} - -double Histogram::Median() const { - return Percentile(50.0); -} - -double Histogram::Percentile(double p) const { - double threshold = num_ * (p / 100.0); - double sum = 0; - for (int b = 0; b < kNumBuckets; b++) { - sum += buckets_[b]; - if (sum >= threshold) { - // Scale linearly within this bucket - double left_point = (b == 0) ? 0 : kBucketLimit[b-1]; - double right_point = kBucketLimit[b]; - double left_sum = sum - buckets_[b]; - double right_sum = sum; - double pos = (threshold - left_sum) / (right_sum - left_sum); - double r = left_point + (right_point - left_point) * pos; - if (r < min_) r = min_; - if (r > max_) r = max_; - return r; - } - } - return max_; -} - -double Histogram::Average() const { - if (num_ == 0.0) return 0; - return sum_ / num_; -} - -double Histogram::StandardDeviation() const { - if (num_ == 0.0) return 0; - double variance = (sum_squares_ * num_ - sum_ * sum_) / (num_ * num_); - return sqrt(variance); -} - -std::string Histogram::ToString() const { - std::string r; - char buf[200]; - snprintf(buf, sizeof(buf), - "Count: %.0f Average: %.4f StdDev: %.2f\n", - num_, Average(), StandardDeviation()); - r.append(buf); - snprintf(buf, sizeof(buf), - "Min: %.4f Median: %.4f Max: %.4f\n", - (num_ == 0.0 ? 0.0 : min_), Median(), max_); - r.append(buf); - r.append("------------------------------------------------------\n"); - const double mult = 100.0 / num_; - double sum = 0; - for (int b = 0; b < kNumBuckets; b++) { - if (buckets_[b] <= 0.0) continue; - sum += buckets_[b]; - snprintf(buf, sizeof(buf), - "[ %7.0f, %7.0f ) %7.0f %7.3f%% %7.3f%% ", - ((b == 0) ? 0.0 : kBucketLimit[b-1]), // left - kBucketLimit[b], // right - buckets_[b], // count - mult * buckets_[b], // percentage - mult * sum); // cumulative percentage - r.append(buf); - - // Add hash marks based on percentage; 20 marks for 100%. - int marks = static_cast<int>(20*(buckets_[b] / num_) + 0.5); - r.append(marks, '#'); - r.push_back('\n'); - } - return r; -} - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/histogram.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/histogram.h b/thirdparty/leveldb-1.18/util/histogram.h deleted file mode 100755 index 1ef9f3c..0000000 --- a/thirdparty/leveldb-1.18/util/histogram.h +++ /dev/null @@ -1,42 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#ifndef STORAGE_LEVELDB_UTIL_HISTOGRAM_H_ -#define STORAGE_LEVELDB_UTIL_HISTOGRAM_H_ - -#include <string> - -namespace leveldb { - -class Histogram { - public: - Histogram() { } - ~Histogram() { } - - void Clear(); - void Add(double value); - void Merge(const Histogram& other); - - std::string ToString() const; - - private: - double min_; - double max_; - double num_; - double sum_; - double sum_squares_; - - enum { kNumBuckets = 154 }; - static const double kBucketLimit[kNumBuckets]; - double buckets_[kNumBuckets]; - - double Median() const; - double Percentile(double p) const; - double Average() const; - double StandardDeviation() const; -}; - -} // namespace leveldb - -#endif // STORAGE_LEVELDB_UTIL_HISTOGRAM_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/logging.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/logging.cc b/thirdparty/leveldb-1.18/util/logging.cc deleted file mode 100755 index ca6b324..0000000 --- a/thirdparty/leveldb-1.18/util/logging.cc +++ /dev/null @@ -1,72 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "util/logging.h" - -#include <errno.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include "leveldb/env.h" -#include "leveldb/slice.h" - -namespace leveldb { - -void AppendNumberTo(std::string* str, uint64_t num) { - char buf[30]; - snprintf(buf, sizeof(buf), "%llu", (unsigned long long) num); - str->append(buf); -} - -void AppendEscapedStringTo(std::string* str, const Slice& value) { - for (size_t i = 0; i < value.size(); i++) { - char c = value[i]; - if (c >= ' ' && c <= '~') { - str->push_back(c); - } else { - char buf[10]; - snprintf(buf, sizeof(buf), "\\x%02x", - static_cast<unsigned int>(c) & 0xff); - str->append(buf); - } - } -} - -std::string NumberToString(uint64_t num) { - std::string r; - AppendNumberTo(&r, num); - return r; -} - -std::string EscapeString(const Slice& value) { - std::string r; - AppendEscapedStringTo(&r, value); - return r; -} - -bool ConsumeDecimalNumber(Slice* in, uint64_t* val) { - uint64_t v = 0; - int digits = 0; - while (!in->empty()) { - char c = (*in)[0]; - if (c >= '0' && c <= '9') { - ++digits; - const int delta = (c - '0'); - static const uint64_t kMaxUint64 = ~static_cast<uint64_t>(0); - if (v > kMaxUint64/10 || - (v == kMaxUint64/10 && delta > kMaxUint64%10)) { - // Overflow - return false; - } - v = (v * 10) + delta; - in->remove_prefix(1); - } else { - break; - } - } - *val = v; - return (digits > 0); -} - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/logging.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/logging.h b/thirdparty/leveldb-1.18/util/logging.h deleted file mode 100755 index 1b450d2..0000000 --- a/thirdparty/leveldb-1.18/util/logging.h +++ /dev/null @@ -1,43 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. -// -// Must not be included from any .h files to avoid polluting the namespace -// with macros. - -#ifndef STORAGE_LEVELDB_UTIL_LOGGING_H_ -#define STORAGE_LEVELDB_UTIL_LOGGING_H_ - -#include <stdio.h> -#include <stdint.h> -#include <string> -#include "port/port.h" - -namespace leveldb { - -class Slice; -class WritableFile; - -// Append a human-readable printout of "num" to *str -extern void AppendNumberTo(std::string* str, uint64_t num); - -// Append a human-readable printout of "value" to *str. -// Escapes any non-printable characters found in "value". -extern void AppendEscapedStringTo(std::string* str, const Slice& value); - -// Return a human-readable printout of "num" -extern std::string NumberToString(uint64_t num); - -// Return a human-readable version of "value". -// Escapes any non-printable characters found in "value". -extern std::string EscapeString(const Slice& value); - -// Parse a human-readable number from "*in" into *value. On success, -// advances "*in" past the consumed number and sets "*val" to the -// numeric value. Otherwise, returns false and leaves *in in an -// unspecified state. -extern bool ConsumeDecimalNumber(Slice* in, uint64_t* val); - -} // namespace leveldb - -#endif // STORAGE_LEVELDB_UTIL_LOGGING_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/mutexlock.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/mutexlock.h b/thirdparty/leveldb-1.18/util/mutexlock.h deleted file mode 100755 index 1ff5a9e..0000000 --- a/thirdparty/leveldb-1.18/util/mutexlock.h +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#ifndef STORAGE_LEVELDB_UTIL_MUTEXLOCK_H_ -#define STORAGE_LEVELDB_UTIL_MUTEXLOCK_H_ - -#include "port/port.h" -#include "port/thread_annotations.h" - -namespace leveldb { - -// Helper class that locks a mutex on construction and unlocks the mutex when -// the destructor of the MutexLock object is invoked. -// -// Typical usage: -// -// void MyClass::MyMethod() { -// MutexLock l(&mu_); // mu_ is an instance variable -// ... some complex code, possibly with multiple return paths ... -// } - -class SCOPED_LOCKABLE MutexLock { - public: - explicit MutexLock(port::Mutex *mu) EXCLUSIVE_LOCK_FUNCTION(mu) - : mu_(mu) { - this->mu_->Lock(); - } - ~MutexLock() UNLOCK_FUNCTION() { this->mu_->Unlock(); } - - private: - port::Mutex *const mu_; - // No copying allowed - MutexLock(const MutexLock&); - void operator=(const MutexLock&); -}; - -} // namespace leveldb - - -#endif // STORAGE_LEVELDB_UTIL_MUTEXLOCK_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/options.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/options.cc b/thirdparty/leveldb-1.18/util/options.cc deleted file mode 100755 index 76af5b9..0000000 --- a/thirdparty/leveldb-1.18/util/options.cc +++ /dev/null @@ -1,29 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "leveldb/options.h" - -#include "leveldb/comparator.h" -#include "leveldb/env.h" - -namespace leveldb { - -Options::Options() - : comparator(BytewiseComparator()), - create_if_missing(false), - error_if_exists(false), - paranoid_checks(false), - env(Env::Default()), - info_log(NULL), - write_buffer_size(4<<20), - max_open_files(1000), - block_cache(NULL), - block_size(4096), - block_restart_interval(16), - compression(kSnappyCompression), - filter_policy(NULL) { -} - - -} // namespace leveldb http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/posix_logger.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/posix_logger.h b/thirdparty/leveldb-1.18/util/posix_logger.h deleted file mode 100755 index 9741b1a..0000000 --- a/thirdparty/leveldb-1.18/util/posix_logger.h +++ /dev/null @@ -1,98 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. -// -// Logger implementation that can be shared by all environments -// where enough posix functionality is available. - -#ifndef STORAGE_LEVELDB_UTIL_POSIX_LOGGER_H_ -#define STORAGE_LEVELDB_UTIL_POSIX_LOGGER_H_ - -#include <algorithm> -#include <stdio.h> -#include <sys/time.h> -#include <time.h> -#include "leveldb/env.h" - -namespace leveldb { - -class PosixLogger : public Logger { - private: - FILE* file_; - uint64_t (*gettid_)(); // Return the thread id for the current thread - public: - PosixLogger(FILE* f, uint64_t (*gettid)()) : file_(f), gettid_(gettid) { } - virtual ~PosixLogger() { - fclose(file_); - } - virtual void Logv(const char* format, va_list ap) { - const uint64_t thread_id = (*gettid_)(); - - // We try twice: the first time with a fixed-size stack allocated buffer, - // and the second time with a much larger dynamically allocated buffer. - char buffer[500]; - for (int iter = 0; iter < 2; iter++) { - char* base; - int bufsize; - if (iter == 0) { - bufsize = sizeof(buffer); - base = buffer; - } else { - bufsize = 30000; - base = new char[bufsize]; - } - char* p = base; - char* limit = base + bufsize; - - struct timeval now_tv; - gettimeofday(&now_tv, NULL); - const time_t seconds = now_tv.tv_sec; - struct tm t; - localtime_r(&seconds, &t); - p += snprintf(p, limit - p, - "%04d/%02d/%02d-%02d:%02d:%02d.%06d %llx ", - t.tm_year + 1900, - t.tm_mon + 1, - t.tm_mday, - t.tm_hour, - t.tm_min, - t.tm_sec, - static_cast<int>(now_tv.tv_usec), - static_cast<long long unsigned int>(thread_id)); - - // Print the message - if (p < limit) { - va_list backup_ap; - va_copy(backup_ap, ap); - p += vsnprintf(p, limit - p, format, backup_ap); - va_end(backup_ap); - } - - // Truncate to available space if necessary - if (p >= limit) { - if (iter == 0) { - continue; // Try again with larger buffer - } else { - p = limit - 1; - } - } - - // Add newline if necessary - if (p == base || p[-1] != '\n') { - *p++ = '\n'; - } - - assert(p <= limit); - fwrite(base, 1, p - base, file_); - fflush(file_); - if (base != buffer) { - delete[] base; - } - break; - } - } -}; - -} // namespace leveldb - -#endif // STORAGE_LEVELDB_UTIL_POSIX_LOGGER_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/random.h ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/random.h b/thirdparty/leveldb-1.18/util/random.h deleted file mode 100755 index ddd51b1..0000000 --- a/thirdparty/leveldb-1.18/util/random.h +++ /dev/null @@ -1,64 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#ifndef STORAGE_LEVELDB_UTIL_RANDOM_H_ -#define STORAGE_LEVELDB_UTIL_RANDOM_H_ - -#include <stdint.h> - -namespace leveldb { - -// A very simple random number generator. Not especially good at -// generating truly random bits, but good enough for our needs in this -// package. -class Random { - private: - uint32_t seed_; - public: - explicit Random(uint32_t s) : seed_(s & 0x7fffffffu) { - // Avoid bad seeds. - if (seed_ == 0 || seed_ == 2147483647L) { - seed_ = 1; - } - } - uint32_t Next() { - static const uint32_t M = 2147483647L; // 2^31-1 - static const uint64_t A = 16807; // bits 14, 8, 7, 5, 2, 1, 0 - // We are computing - // seed_ = (seed_ * A) % M, where M = 2^31-1 - // - // seed_ must not be zero or M, or else all subsequent computed values - // will be zero or M respectively. For all other values, seed_ will end - // up cycling through every number in [1,M-1] - uint64_t product = seed_ * A; - - // Compute (product % M) using the fact that ((x << 31) % M) == x. - seed_ = static_cast<uint32_t>((product >> 31) + (product & M)); - // The first reduction may overflow by 1 bit, so we may need to - // repeat. mod == M is not possible; using > allows the faster - // sign-bit-based test. - if (seed_ > M) { - seed_ -= M; - } - return seed_; - } - // Returns a uniformly distributed value in the range [0..n-1] - // REQUIRES: n > 0 - uint32_t Uniform(int n) { return Next() % n; } - - // Randomly returns true ~"1/n" of the time, and false otherwise. - // REQUIRES: n > 0 - bool OneIn(int n) { return (Next() % n) == 0; } - - // Skewed: pick "base" uniformly from range [0,max_log] and then - // return "base" random bits. The effect is to pick a number in the - // range [0,2^max_log-1] with exponential bias towards smaller numbers. - uint32_t Skewed(int max_log) { - return Uniform(1 << Uniform(max_log + 1)); - } -}; - -} // namespace leveldb - -#endif // STORAGE_LEVELDB_UTIL_RANDOM_H_ http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/48867732/thirdparty/leveldb-1.18/util/status.cc ---------------------------------------------------------------------- diff --git a/thirdparty/leveldb-1.18/util/status.cc b/thirdparty/leveldb-1.18/util/status.cc deleted file mode 100755 index eb0d31b..0000000 --- a/thirdparty/leveldb-1.18/util/status.cc +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include <stdio.h> -#include "port/port.h" -#include "leveldb/status.h" - -namespace leveldb { - -const char* Status::CopyState(const char* state) { - uint32_t size; - memcpy(&size, state, sizeof(size)); - char* result = new char[size + 5]; - memcpy(result, state, size + 5); - return result; -} - -Status::Status(Code code, const Slice& msg, const Slice& msg2) { - assert(code != kOk); - const uint32_t len1 = static_cast<uint32_t>(msg.size()); - const uint32_t len2 = static_cast<uint32_t>(msg2.size()); - const uint32_t size = len1 + (len2 ? (2 + len2) : 0); - char* result = new char[size + 5]; - memcpy(result, &size, sizeof(size)); - result[4] = static_cast<char>(code); - memcpy(result + 5, msg.data(), len1); - if (len2) { - result[5 + len1] = ':'; - result[6 + len1] = ' '; - memcpy(result + 7 + len1, msg2.data(), len2); - } - state_ = result; -} - -std::string Status::ToString() const { - if (state_ == NULL) { - return "OK"; - } else { - char tmp[30]; - const char* type; - switch (code()) { - case kOk: - type = "OK"; - break; - case kNotFound: - type = "NotFound: "; - break; - case kCorruption: - type = "Corruption: "; - break; - case kNotSupported: - type = "Not implemented: "; - break; - case kInvalidArgument: - type = "Invalid argument: "; - break; - case kIOError: - type = "IO error: "; - break; - default: - snprintf(tmp, sizeof(tmp), "Unknown code(%d): ", - static_cast<int>(code())); - type = tmp; - break; - } - std::string result(type); - uint32_t length; - memcpy(&length, state_, sizeof(length)); - result.append(state_ + 5, length); - return result; - } -} - -} // namespace leveldb
