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ruanhaishen
redis
Commits
911a2d6c
Unverified
Commit
911a2d6c
authored
Apr 27, 2020
by
Salvatore Sanfilippo
Committed by
GitHub
Apr 27, 2020
Browse files
Merge pull request #7148 from madolson/unstable-crc
Unstable crc
parents
828736e7
a48dfe98
Changes
7
Hide whitespace changes
Inline
Side-by-side
src/Makefile
View file @
911a2d6c
...
...
@@ -206,9 +206,9 @@ endif
REDIS_SERVER_NAME
=
redis-server
REDIS_SENTINEL_NAME
=
redis-sentinel
REDIS_SERVER_OBJ
=
adlist.o quicklist.o ae.o anet.o dict.o server.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o zipmap.o sha1.o ziplist.o release.o networking.o util.o object.o db.o replication.o rdb.o t_string.o t_list.o t_set.o t_zset.o t_hash.o config.o aof.o pubsub.o multi.o debug.o sort.o intset.o syncio.o cluster.o crc16.o endianconv.o slowlog.o scripting.o bio.o rio.o rand.o memtest.o crc64.o bitops.o sentinel.o notify.o setproctitle.o blocked.o hyperloglog.o latency.o sparkline.o redis-check-rdb.o redis-check-aof.o geo.o lazyfree.o module.o evict.o expire.o geohash.o geohash_helper.o childinfo.o defrag.o siphash.o rax.o t_stream.o listpack.o localtime.o lolwut.o lolwut5.o lolwut6.o acl.o gopher.o tracking.o connection.o tls.o sha256.o timeout.o
REDIS_SERVER_OBJ
=
adlist.o quicklist.o ae.o anet.o dict.o server.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o zipmap.o sha1.o ziplist.o release.o networking.o util.o object.o db.o replication.o rdb.o t_string.o t_list.o t_set.o t_zset.o t_hash.o config.o aof.o pubsub.o multi.o debug.o sort.o intset.o syncio.o cluster.o crc16.o endianconv.o slowlog.o scripting.o bio.o rio.o rand.o memtest.o
crcspeed.o
crc64.o bitops.o sentinel.o notify.o setproctitle.o blocked.o hyperloglog.o latency.o sparkline.o redis-check-rdb.o redis-check-aof.o geo.o lazyfree.o module.o evict.o expire.o geohash.o geohash_helper.o childinfo.o defrag.o siphash.o rax.o t_stream.o listpack.o localtime.o lolwut.o lolwut5.o lolwut6.o acl.o gopher.o tracking.o connection.o tls.o sha256.o timeout.o
REDIS_CLI_NAME
=
redis-cli
REDIS_CLI_OBJ
=
anet.o adlist.o dict.o redis-cli.o zmalloc.o release.o ae.o crc64.o siphash.o crc16.o
REDIS_CLI_OBJ
=
anet.o adlist.o dict.o redis-cli.o zmalloc.o release.o ae.o
crcspeed.o
crc64.o siphash.o crc16.o
REDIS_BENCHMARK_NAME
=
redis-benchmark
REDIS_BENCHMARK_OBJ
=
ae.o anet.o redis-benchmark.o adlist.o dict.o zmalloc.o siphash.o
REDIS_CHECK_RDB_NAME
=
redis-check-rdb
...
...
src/crc64.c
View file @
911a2d6c
/* Redis uses the CRC64 variant with "Jones" coefficients and init value of 0.
*
* Specification of this CRC64 variant follows:
* Name: crc-64-jones
* Width: 64 bites
* Poly: 0xad93d23594c935a9
* Reflected In: True
* Xor_In: 0xffffffffffffffff
* Reflected_Out: True
* Xor_Out: 0x0
* Check("123456789"): 0xe9c6d914c4b8d9ca
*
* Copyright (c) 2012, Salvatore Sanfilippo <antirez at gmail dot com>
/* Copyright (c) 2014, Matt Stancliff <matt@genges.com>
* Copyright (c) 2020, Amazon Web Services
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
...
...
@@ -37,147 +26,100 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. */
#include <stdint.h>
static
const
uint64_t
crc64_tab
[
256
]
=
{
UINT64_C
(
0x0000000000000000
),
UINT64_C
(
0x7ad870c830358979
),
UINT64_C
(
0xf5b0e190606b12f2
),
UINT64_C
(
0x8f689158505e9b8b
),
UINT64_C
(
0xc038e5739841b68f
),
UINT64_C
(
0xbae095bba8743ff6
),
UINT64_C
(
0x358804e3f82aa47d
),
UINT64_C
(
0x4f50742bc81f2d04
),
UINT64_C
(
0xab28ecb46814fe75
),
UINT64_C
(
0xd1f09c7c5821770c
),
UINT64_C
(
0x5e980d24087fec87
),
UINT64_C
(
0x24407dec384a65fe
),
UINT64_C
(
0x6b1009c7f05548fa
),
UINT64_C
(
0x11c8790fc060c183
),
UINT64_C
(
0x9ea0e857903e5a08
),
UINT64_C
(
0xe478989fa00bd371
),
UINT64_C
(
0x7d08ff3b88be6f81
),
UINT64_C
(
0x07d08ff3b88be6f8
),
UINT64_C
(
0x88b81eabe8d57d73
),
UINT64_C
(
0xf2606e63d8e0f40a
),
UINT64_C
(
0xbd301a4810ffd90e
),
UINT64_C
(
0xc7e86a8020ca5077
),
UINT64_C
(
0x4880fbd87094cbfc
),
UINT64_C
(
0x32588b1040a14285
),
UINT64_C
(
0xd620138fe0aa91f4
),
UINT64_C
(
0xacf86347d09f188d
),
UINT64_C
(
0x2390f21f80c18306
),
UINT64_C
(
0x594882d7b0f40a7f
),
UINT64_C
(
0x1618f6fc78eb277b
),
UINT64_C
(
0x6cc0863448deae02
),
UINT64_C
(
0xe3a8176c18803589
),
UINT64_C
(
0x997067a428b5bcf0
),
UINT64_C
(
0xfa11fe77117cdf02
),
UINT64_C
(
0x80c98ebf2149567b
),
UINT64_C
(
0x0fa11fe77117cdf0
),
UINT64_C
(
0x75796f2f41224489
),
UINT64_C
(
0x3a291b04893d698d
),
UINT64_C
(
0x40f16bccb908e0f4
),
UINT64_C
(
0xcf99fa94e9567b7f
),
UINT64_C
(
0xb5418a5cd963f206
),
UINT64_C
(
0x513912c379682177
),
UINT64_C
(
0x2be1620b495da80e
),
UINT64_C
(
0xa489f35319033385
),
UINT64_C
(
0xde51839b2936bafc
),
UINT64_C
(
0x9101f7b0e12997f8
),
UINT64_C
(
0xebd98778d11c1e81
),
UINT64_C
(
0x64b116208142850a
),
UINT64_C
(
0x1e6966e8b1770c73
),
UINT64_C
(
0x8719014c99c2b083
),
UINT64_C
(
0xfdc17184a9f739fa
),
UINT64_C
(
0x72a9e0dcf9a9a271
),
UINT64_C
(
0x08719014c99c2b08
),
UINT64_C
(
0x4721e43f0183060c
),
UINT64_C
(
0x3df994f731b68f75
),
UINT64_C
(
0xb29105af61e814fe
),
UINT64_C
(
0xc849756751dd9d87
),
UINT64_C
(
0x2c31edf8f1d64ef6
),
UINT64_C
(
0x56e99d30c1e3c78f
),
UINT64_C
(
0xd9810c6891bd5c04
),
UINT64_C
(
0xa3597ca0a188d57d
),
UINT64_C
(
0xec09088b6997f879
),
UINT64_C
(
0x96d1784359a27100
),
UINT64_C
(
0x19b9e91b09fcea8b
),
UINT64_C
(
0x636199d339c963f2
),
UINT64_C
(
0xdf7adabd7a6e2d6f
),
UINT64_C
(
0xa5a2aa754a5ba416
),
UINT64_C
(
0x2aca3b2d1a053f9d
),
UINT64_C
(
0x50124be52a30b6e4
),
UINT64_C
(
0x1f423fcee22f9be0
),
UINT64_C
(
0x659a4f06d21a1299
),
UINT64_C
(
0xeaf2de5e82448912
),
UINT64_C
(
0x902aae96b271006b
),
UINT64_C
(
0x74523609127ad31a
),
UINT64_C
(
0x0e8a46c1224f5a63
),
UINT64_C
(
0x81e2d7997211c1e8
),
UINT64_C
(
0xfb3aa75142244891
),
UINT64_C
(
0xb46ad37a8a3b6595
),
UINT64_C
(
0xceb2a3b2ba0eecec
),
UINT64_C
(
0x41da32eaea507767
),
UINT64_C
(
0x3b024222da65fe1e
),
UINT64_C
(
0xa2722586f2d042ee
),
UINT64_C
(
0xd8aa554ec2e5cb97
),
UINT64_C
(
0x57c2c41692bb501c
),
UINT64_C
(
0x2d1ab4dea28ed965
),
UINT64_C
(
0x624ac0f56a91f461
),
UINT64_C
(
0x1892b03d5aa47d18
),
UINT64_C
(
0x97fa21650afae693
),
UINT64_C
(
0xed2251ad3acf6fea
),
UINT64_C
(
0x095ac9329ac4bc9b
),
UINT64_C
(
0x7382b9faaaf135e2
),
UINT64_C
(
0xfcea28a2faafae69
),
UINT64_C
(
0x8632586aca9a2710
),
UINT64_C
(
0xc9622c4102850a14
),
UINT64_C
(
0xb3ba5c8932b0836d
),
UINT64_C
(
0x3cd2cdd162ee18e6
),
UINT64_C
(
0x460abd1952db919f
),
UINT64_C
(
0x256b24ca6b12f26d
),
UINT64_C
(
0x5fb354025b277b14
),
UINT64_C
(
0xd0dbc55a0b79e09f
),
UINT64_C
(
0xaa03b5923b4c69e6
),
UINT64_C
(
0xe553c1b9f35344e2
),
UINT64_C
(
0x9f8bb171c366cd9b
),
UINT64_C
(
0x10e3202993385610
),
UINT64_C
(
0x6a3b50e1a30ddf69
),
UINT64_C
(
0x8e43c87e03060c18
),
UINT64_C
(
0xf49bb8b633338561
),
UINT64_C
(
0x7bf329ee636d1eea
),
UINT64_C
(
0x012b592653589793
),
UINT64_C
(
0x4e7b2d0d9b47ba97
),
UINT64_C
(
0x34a35dc5ab7233ee
),
UINT64_C
(
0xbbcbcc9dfb2ca865
),
UINT64_C
(
0xc113bc55cb19211c
),
UINT64_C
(
0x5863dbf1e3ac9dec
),
UINT64_C
(
0x22bbab39d3991495
),
UINT64_C
(
0xadd33a6183c78f1e
),
UINT64_C
(
0xd70b4aa9b3f20667
),
UINT64_C
(
0x985b3e827bed2b63
),
UINT64_C
(
0xe2834e4a4bd8a21a
),
UINT64_C
(
0x6debdf121b863991
),
UINT64_C
(
0x1733afda2bb3b0e8
),
UINT64_C
(
0xf34b37458bb86399
),
UINT64_C
(
0x8993478dbb8deae0
),
UINT64_C
(
0x06fbd6d5ebd3716b
),
UINT64_C
(
0x7c23a61ddbe6f812
),
UINT64_C
(
0x3373d23613f9d516
),
UINT64_C
(
0x49aba2fe23cc5c6f
),
UINT64_C
(
0xc6c333a67392c7e4
),
UINT64_C
(
0xbc1b436e43a74e9d
),
UINT64_C
(
0x95ac9329ac4bc9b5
),
UINT64_C
(
0xef74e3e19c7e40cc
),
UINT64_C
(
0x601c72b9cc20db47
),
UINT64_C
(
0x1ac40271fc15523e
),
UINT64_C
(
0x5594765a340a7f3a
),
UINT64_C
(
0x2f4c0692043ff643
),
UINT64_C
(
0xa02497ca54616dc8
),
UINT64_C
(
0xdafce7026454e4b1
),
UINT64_C
(
0x3e847f9dc45f37c0
),
UINT64_C
(
0x445c0f55f46abeb9
),
UINT64_C
(
0xcb349e0da4342532
),
UINT64_C
(
0xb1eceec59401ac4b
),
UINT64_C
(
0xfebc9aee5c1e814f
),
UINT64_C
(
0x8464ea266c2b0836
),
UINT64_C
(
0x0b0c7b7e3c7593bd
),
UINT64_C
(
0x71d40bb60c401ac4
),
UINT64_C
(
0xe8a46c1224f5a634
),
UINT64_C
(
0x927c1cda14c02f4d
),
UINT64_C
(
0x1d148d82449eb4c6
),
UINT64_C
(
0x67ccfd4a74ab3dbf
),
UINT64_C
(
0x289c8961bcb410bb
),
UINT64_C
(
0x5244f9a98c8199c2
),
UINT64_C
(
0xdd2c68f1dcdf0249
),
UINT64_C
(
0xa7f41839ecea8b30
),
UINT64_C
(
0x438c80a64ce15841
),
UINT64_C
(
0x3954f06e7cd4d138
),
UINT64_C
(
0xb63c61362c8a4ab3
),
UINT64_C
(
0xcce411fe1cbfc3ca
),
UINT64_C
(
0x83b465d5d4a0eece
),
UINT64_C
(
0xf96c151de49567b7
),
UINT64_C
(
0x76048445b4cbfc3c
),
UINT64_C
(
0x0cdcf48d84fe7545
),
UINT64_C
(
0x6fbd6d5ebd3716b7
),
UINT64_C
(
0x15651d968d029fce
),
UINT64_C
(
0x9a0d8ccedd5c0445
),
UINT64_C
(
0xe0d5fc06ed698d3c
),
UINT64_C
(
0xaf85882d2576a038
),
UINT64_C
(
0xd55df8e515432941
),
UINT64_C
(
0x5a3569bd451db2ca
),
UINT64_C
(
0x20ed197575283bb3
),
UINT64_C
(
0xc49581ead523e8c2
),
UINT64_C
(
0xbe4df122e51661bb
),
UINT64_C
(
0x3125607ab548fa30
),
UINT64_C
(
0x4bfd10b2857d7349
),
UINT64_C
(
0x04ad64994d625e4d
),
UINT64_C
(
0x7e7514517d57d734
),
UINT64_C
(
0xf11d85092d094cbf
),
UINT64_C
(
0x8bc5f5c11d3cc5c6
),
UINT64_C
(
0x12b5926535897936
),
UINT64_C
(
0x686de2ad05bcf04f
),
UINT64_C
(
0xe70573f555e26bc4
),
UINT64_C
(
0x9ddd033d65d7e2bd
),
UINT64_C
(
0xd28d7716adc8cfb9
),
UINT64_C
(
0xa85507de9dfd46c0
),
UINT64_C
(
0x273d9686cda3dd4b
),
UINT64_C
(
0x5de5e64efd965432
),
UINT64_C
(
0xb99d7ed15d9d8743
),
UINT64_C
(
0xc3450e196da80e3a
),
UINT64_C
(
0x4c2d9f413df695b1
),
UINT64_C
(
0x36f5ef890dc31cc8
),
UINT64_C
(
0x79a59ba2c5dc31cc
),
UINT64_C
(
0x037deb6af5e9b8b5
),
UINT64_C
(
0x8c157a32a5b7233e
),
UINT64_C
(
0xf6cd0afa9582aa47
),
UINT64_C
(
0x4ad64994d625e4da
),
UINT64_C
(
0x300e395ce6106da3
),
UINT64_C
(
0xbf66a804b64ef628
),
UINT64_C
(
0xc5bed8cc867b7f51
),
UINT64_C
(
0x8aeeace74e645255
),
UINT64_C
(
0xf036dc2f7e51db2c
),
UINT64_C
(
0x7f5e4d772e0f40a7
),
UINT64_C
(
0x05863dbf1e3ac9de
),
UINT64_C
(
0xe1fea520be311aaf
),
UINT64_C
(
0x9b26d5e88e0493d6
),
UINT64_C
(
0x144e44b0de5a085d
),
UINT64_C
(
0x6e963478ee6f8124
),
UINT64_C
(
0x21c640532670ac20
),
UINT64_C
(
0x5b1e309b16452559
),
UINT64_C
(
0xd476a1c3461bbed2
),
UINT64_C
(
0xaeaed10b762e37ab
),
UINT64_C
(
0x37deb6af5e9b8b5b
),
UINT64_C
(
0x4d06c6676eae0222
),
UINT64_C
(
0xc26e573f3ef099a9
),
UINT64_C
(
0xb8b627f70ec510d0
),
UINT64_C
(
0xf7e653dcc6da3dd4
),
UINT64_C
(
0x8d3e2314f6efb4ad
),
UINT64_C
(
0x0256b24ca6b12f26
),
UINT64_C
(
0x788ec2849684a65f
),
UINT64_C
(
0x9cf65a1b368f752e
),
UINT64_C
(
0xe62e2ad306bafc57
),
UINT64_C
(
0x6946bb8b56e467dc
),
UINT64_C
(
0x139ecb4366d1eea5
),
UINT64_C
(
0x5ccebf68aecec3a1
),
UINT64_C
(
0x2616cfa09efb4ad8
),
UINT64_C
(
0xa97e5ef8cea5d153
),
UINT64_C
(
0xd3a62e30fe90582a
),
UINT64_C
(
0xb0c7b7e3c7593bd8
),
UINT64_C
(
0xca1fc72bf76cb2a1
),
UINT64_C
(
0x45775673a732292a
),
UINT64_C
(
0x3faf26bb9707a053
),
UINT64_C
(
0x70ff52905f188d57
),
UINT64_C
(
0x0a2722586f2d042e
),
UINT64_C
(
0x854fb3003f739fa5
),
UINT64_C
(
0xff97c3c80f4616dc
),
UINT64_C
(
0x1bef5b57af4dc5ad
),
UINT64_C
(
0x61372b9f9f784cd4
),
UINT64_C
(
0xee5fbac7cf26d75f
),
UINT64_C
(
0x9487ca0fff135e26
),
UINT64_C
(
0xdbd7be24370c7322
),
UINT64_C
(
0xa10fceec0739fa5b
),
UINT64_C
(
0x2e675fb4576761d0
),
UINT64_C
(
0x54bf2f7c6752e8a9
),
UINT64_C
(
0xcdcf48d84fe75459
),
UINT64_C
(
0xb71738107fd2dd20
),
UINT64_C
(
0x387fa9482f8c46ab
),
UINT64_C
(
0x42a7d9801fb9cfd2
),
UINT64_C
(
0x0df7adabd7a6e2d6
),
UINT64_C
(
0x772fdd63e7936baf
),
UINT64_C
(
0xf8474c3bb7cdf024
),
UINT64_C
(
0x829f3cf387f8795d
),
UINT64_C
(
0x66e7a46c27f3aa2c
),
UINT64_C
(
0x1c3fd4a417c62355
),
UINT64_C
(
0x935745fc4798b8de
),
UINT64_C
(
0xe98f353477ad31a7
),
UINT64_C
(
0xa6df411fbfb21ca3
),
UINT64_C
(
0xdc0731d78f8795da
),
UINT64_C
(
0x536fa08fdfd90e51
),
UINT64_C
(
0x29b7d047efec8728
),
};
#include "crc64.h"
#include "crcspeed.h"
static
uint64_t
crc64_table
[
8
][
256
]
=
{{
0
}};
uint64_t
crc64
(
uint64_t
crc
,
const
unsigned
char
*
s
,
uint64_t
l
)
{
uint64_t
j
;
#define POLY UINT64_C(0xad93d23594c935a9)
/******************** BEGIN GENERATED PYCRC FUNCTIONS ********************/
/**
* Generated on Sun Dec 21 14:14:07 2014,
* by pycrc v0.8.2, https://www.tty1.net/pycrc/
*
* LICENSE ON GENERATED CODE:
* ==========================
* As of version 0.6, pycrc is released under the terms of the MIT licence.
* The code generated by pycrc is not considered a substantial portion of the
* software, therefore the author of pycrc will not claim any copyright on
* the generated code.
* ==========================
*
* CRC configuration:
* Width = 64
* Poly = 0xad93d23594c935a9
* XorIn = 0xffffffffffffffff
* ReflectIn = True
* XorOut = 0x0000000000000000
* ReflectOut = True
* Algorithm = bit-by-bit-fast
*
* Modifications after generation (by matt):
* - included finalize step in-line with update for single-call generation
* - re-worked some inner variable architectures
* - adjusted function parameters to match expected prototypes.
*****************************************************************************/
/**
* Reflect all bits of a \a data word of \a data_len bytes.
*
* \param data The data word to be reflected.
* \param data_len The width of \a data expressed in number of bits.
* \return The reflected data.
*****************************************************************************/
static
inline
uint_fast64_t
crc_reflect
(
uint_fast64_t
data
,
size_t
data_len
)
{
uint_fast64_t
ret
=
data
&
0x01
;
for
(
size_t
i
=
1
;
i
<
data_len
;
i
++
)
{
data
>>=
1
;
ret
=
(
ret
<<
1
)
|
(
data
&
0x01
);
}
return
ret
;
}
/**
* Update the crc value with new data.
*
* \param crc The current crc value.
* \param data Pointer to a buffer of \a data_len bytes.
* \param data_len Number of bytes in the \a data buffer.
* \return The updated crc value.
******************************************************************************/
uint64_t
_crc64
(
uint_fast64_t
crc
,
const
void
*
in_data
,
const
uint64_t
len
)
{
const
uint8_t
*
data
=
in_data
;
unsigned
long
long
bit
;
for
(
j
=
0
;
j
<
l
;
j
++
)
{
uint8_t
byte
=
s
[
j
];
crc
=
crc64_tab
[(
uint8_t
)
crc
^
byte
]
^
(
crc
>>
8
);
for
(
uint64_t
offset
=
0
;
offset
<
len
;
offset
++
)
{
uint8_t
c
=
data
[
offset
];
for
(
uint_fast8_t
i
=
0x01
;
i
&
0xff
;
i
<<=
1
)
{
bit
=
crc
&
0x8000000000000000
;
if
(
c
&
i
)
{
bit
=
!
bit
;
}
crc
<<=
1
;
if
(
bit
)
{
crc
^=
POLY
;
}
}
crc
&=
0xffffffffffffffff
;
}
return
crc
;
crc
=
crc
&
0xffffffffffffffff
;
return
crc_reflect
(
crc
,
64
)
^
0x0000000000000000
;
}
/******************** END GENERATED PYCRC FUNCTIONS ********************/
/* Initializes the 16KB lookup tables. */
void
crc64_init
(
void
)
{
crcspeed64native_init
(
_crc64
,
crc64_table
);
}
/* Compute crc64 */
uint64_t
crc64
(
uint64_t
crc
,
const
unsigned
char
*
s
,
uint64_t
l
)
{
return
crcspeed64native
(
crc64_table
,
crc
,
(
void
*
)
s
,
l
);
}
/* Test main */
...
...
@@ -188,8 +130,31 @@ uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l) {
int
crc64Test
(
int
argc
,
char
*
argv
[])
{
UNUSED
(
argc
);
UNUSED
(
argv
);
printf
(
"e9c6d914c4b8d9ca == %016llx
\n
"
,
(
unsigned
long
long
)
crc64
(
0
,(
unsigned
char
*
)
"123456789"
,
9
));
crc64_init
();
printf
(
"[calcula]: e9c6d914c4b8d9ca == %016"
PRIx64
"
\n
"
,
(
uint64_t
)
_crc64
(
0
,
"123456789"
,
9
));
printf
(
"[64speed]: e9c6d914c4b8d9ca == %016"
PRIx64
"
\n
"
,
(
uint64_t
)
crc64
(
0
,
"123456789"
,
9
));
char
li
[]
=
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed "
"do eiusmod tempor incididunt ut labore et dolore magna "
"aliqua. Ut enim ad minim veniam, quis nostrud exercitation "
"ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis "
"aute irure dolor in reprehenderit in voluptate velit esse "
"cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia "
"deserunt mollit anim id est laborum."
;
printf
(
"[calcula]: c7794709e69683b3 == %016"
PRIx64
"
\n
"
,
(
uint64_t
)
_crc64
(
0
,
li
,
sizeof
(
li
)));
printf
(
"[64speed]: c7794709e69683b3 == %016"
PRIx64
"
\n
"
,
(
uint64_t
)
crc64
(
0
,
li
,
sizeof
(
li
)));
return
0
;
}
#endif
#ifdef REDIS_TEST_MAIN
int
main
(
int
argc
,
char
*
argv
[])
{
return
crc64Test
(
argc
,
argv
);
}
#endif
src/crc64.h
View file @
911a2d6c
...
...
@@ -3,6 +3,7 @@
#include <stdint.h>
void
crc64_init
(
void
);
uint64_t
crc64
(
uint64_t
crc
,
const
unsigned
char
*
s
,
uint64_t
l
);
#ifdef REDIS_TEST
...
...
src/crcspeed.c
0 → 100644
View file @
911a2d6c
/*
* Copyright (C) 2013 Mark Adler
* Originally by: crc64.c Version 1.4 16 Dec 2013 Mark Adler
* Modifications by Matt Stancliff <matt@genges.com>:
* - removed CRC64-specific behavior
* - added generation of lookup tables by parameters
* - removed inversion of CRC input/result
* - removed automatic initialization in favor of explicit initialization
This software is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Mark Adler
madler@alumni.caltech.edu
*/
#include "crcspeed.h"
/* Fill in a CRC constants table. */
void
crcspeed64little_init
(
crcfn64
crcfn
,
uint64_t
table
[
8
][
256
])
{
uint64_t
crc
;
/* generate CRCs for all single byte sequences */
for
(
int
n
=
0
;
n
<
256
;
n
++
)
{
table
[
0
][
n
]
=
crcfn
(
0
,
&
n
,
1
);
}
/* generate nested CRC table for future slice-by-8 lookup */
for
(
int
n
=
0
;
n
<
256
;
n
++
)
{
crc
=
table
[
0
][
n
];
for
(
int
k
=
1
;
k
<
8
;
k
++
)
{
crc
=
table
[
0
][
crc
&
0xff
]
^
(
crc
>>
8
);
table
[
k
][
n
]
=
crc
;
}
}
}
void
crcspeed16little_init
(
crcfn16
crcfn
,
uint16_t
table
[
8
][
256
])
{
uint16_t
crc
;
/* generate CRCs for all single byte sequences */
for
(
int
n
=
0
;
n
<
256
;
n
++
)
{
table
[
0
][
n
]
=
crcfn
(
0
,
&
n
,
1
);
}
/* generate nested CRC table for future slice-by-8 lookup */
for
(
int
n
=
0
;
n
<
256
;
n
++
)
{
crc
=
table
[
0
][
n
];
for
(
int
k
=
1
;
k
<
8
;
k
++
)
{
crc
=
table
[
0
][(
crc
>>
8
)
&
0xff
]
^
(
crc
<<
8
);
table
[
k
][
n
]
=
crc
;
}
}
}
/* Reverse the bytes in a 64-bit word. */
static
inline
uint64_t
rev8
(
uint64_t
a
)
{
#if defined(__GNUC__) || defined(__clang__)
return
__builtin_bswap64
(
a
);
#else
uint64_t
m
;
m
=
UINT64_C
(
0xff00ff00ff00ff
);
a
=
((
a
>>
8
)
&
m
)
|
(
a
&
m
)
<<
8
;
m
=
UINT64_C
(
0xffff0000ffff
);
a
=
((
a
>>
16
)
&
m
)
|
(
a
&
m
)
<<
16
;
return
a
>>
32
|
a
<<
32
;
#endif
}
/* This function is called once to initialize the CRC table for use on a
big-endian architecture. */
void
crcspeed64big_init
(
crcfn64
fn
,
uint64_t
big_table
[
8
][
256
])
{
/* Create the little endian table then reverse all the entires. */
crcspeed64little_init
(
fn
,
big_table
);
for
(
int
k
=
0
;
k
<
8
;
k
++
)
{
for
(
int
n
=
0
;
n
<
256
;
n
++
)
{
big_table
[
k
][
n
]
=
rev8
(
big_table
[
k
][
n
]);
}
}
}
void
crcspeed16big_init
(
crcfn16
fn
,
uint16_t
big_table
[
8
][
256
])
{
/* Create the little endian table then reverse all the entires. */
crcspeed16little_init
(
fn
,
big_table
);
for
(
int
k
=
0
;
k
<
8
;
k
++
)
{
for
(
int
n
=
0
;
n
<
256
;
n
++
)
{
big_table
[
k
][
n
]
=
rev8
(
big_table
[
k
][
n
]);
}
}
}
/* Calculate a non-inverted CRC multiple bytes at a time on a little-endian
* architecture. If you need inverted CRC, invert *before* calling and invert
* *after* calling.
* 64 bit crc = process 8 bytes at once;
*/
uint64_t
crcspeed64little
(
uint64_t
little_table
[
8
][
256
],
uint64_t
crc
,
void
*
buf
,
size_t
len
)
{
unsigned
char
*
next
=
buf
;
/* process individual bytes until we reach an 8-byte aligned pointer */
while
(
len
&&
((
uintptr_t
)
next
&
7
)
!=
0
)
{
crc
=
little_table
[
0
][(
crc
^
*
next
++
)
&
0xff
]
^
(
crc
>>
8
);
len
--
;
}
/* fast middle processing, 8 bytes (aligned!) per loop */
while
(
len
>=
8
)
{
crc
^=
*
(
uint64_t
*
)
next
;
crc
=
little_table
[
7
][
crc
&
0xff
]
^
little_table
[
6
][(
crc
>>
8
)
&
0xff
]
^
little_table
[
5
][(
crc
>>
16
)
&
0xff
]
^
little_table
[
4
][(
crc
>>
24
)
&
0xff
]
^
little_table
[
3
][(
crc
>>
32
)
&
0xff
]
^
little_table
[
2
][(
crc
>>
40
)
&
0xff
]
^
little_table
[
1
][(
crc
>>
48
)
&
0xff
]
^
little_table
[
0
][
crc
>>
56
];
next
+=
8
;
len
-=
8
;
}
/* process remaining bytes (can't be larger than 8) */
while
(
len
)
{
crc
=
little_table
[
0
][(
crc
^
*
next
++
)
&
0xff
]
^
(
crc
>>
8
);
len
--
;
}
return
crc
;
}
uint16_t
crcspeed16little
(
uint16_t
little_table
[
8
][
256
],
uint16_t
crc
,
void
*
buf
,
size_t
len
)
{
unsigned
char
*
next
=
buf
;
/* process individual bytes until we reach an 8-byte aligned pointer */
while
(
len
&&
((
uintptr_t
)
next
&
7
)
!=
0
)
{
crc
=
little_table
[
0
][((
crc
>>
8
)
^
*
next
++
)
&
0xff
]
^
(
crc
<<
8
);
len
--
;
}
/* fast middle processing, 8 bytes (aligned!) per loop */
while
(
len
>=
8
)
{
uint64_t
n
=
*
(
uint64_t
*
)
next
;
crc
=
little_table
[
7
][(
n
&
0xff
)
^
((
crc
>>
8
)
&
0xff
)]
^
little_table
[
6
][((
n
>>
8
)
&
0xff
)
^
(
crc
&
0xff
)]
^
little_table
[
5
][(
n
>>
16
)
&
0xff
]
^
little_table
[
4
][(
n
>>
24
)
&
0xff
]
^
little_table
[
3
][(
n
>>
32
)
&
0xff
]
^
little_table
[
2
][(
n
>>
40
)
&
0xff
]
^
little_table
[
1
][(
n
>>
48
)
&
0xff
]
^
little_table
[
0
][
n
>>
56
];
next
+=
8
;
len
-=
8
;
}
/* process remaining bytes (can't be larger than 8) */
while
(
len
)
{
crc
=
little_table
[
0
][((
crc
>>
8
)
^
*
next
++
)
&
0xff
]
^
(
crc
<<
8
);
len
--
;
}
return
crc
;
}
/* Calculate a non-inverted CRC eight bytes at a time on a big-endian
* architecture.
*/
uint64_t
crcspeed64big
(
uint64_t
big_table
[
8
][
256
],
uint64_t
crc
,
void
*
buf
,
size_t
len
)
{
unsigned
char
*
next
=
buf
;
crc
=
rev8
(
crc
);
while
(
len
&&
((
uintptr_t
)
next
&
7
)
!=
0
)
{
crc
=
big_table
[
0
][(
crc
>>
56
)
^
*
next
++
]
^
(
crc
<<
8
);
len
--
;
}
while
(
len
>=
8
)
{
crc
^=
*
(
uint64_t
*
)
next
;
crc
=
big_table
[
0
][
crc
&
0xff
]
^
big_table
[
1
][(
crc
>>
8
)
&
0xff
]
^
big_table
[
2
][(
crc
>>
16
)
&
0xff
]
^
big_table
[
3
][(
crc
>>
24
)
&
0xff
]
^
big_table
[
4
][(
crc
>>
32
)
&
0xff
]
^
big_table
[
5
][(
crc
>>
40
)
&
0xff
]
^
big_table
[
6
][(
crc
>>
48
)
&
0xff
]
^
big_table
[
7
][
crc
>>
56
];
next
+=
8
;
len
-=
8
;
}
while
(
len
)
{
crc
=
big_table
[
0
][(
crc
>>
56
)
^
*
next
++
]
^
(
crc
<<
8
);
len
--
;
}
return
rev8
(
crc
);
}
/* WARNING: Completely untested on big endian architecture. Possibly broken. */
uint16_t
crcspeed16big
(
uint16_t
big_table
[
8
][
256
],
uint16_t
crc_in
,
void
*
buf
,
size_t
len
)
{
unsigned
char
*
next
=
buf
;
uint64_t
crc
=
crc_in
;
crc
=
rev8
(
crc
);
while
(
len
&&
((
uintptr_t
)
next
&
7
)
!=
0
)
{
crc
=
big_table
[
0
][((
crc
>>
(
56
-
8
))
^
*
next
++
)
&
0xff
]
^
(
crc
>>
8
);
len
--
;
}
while
(
len
>=
8
)
{
uint64_t
n
=
*
(
uint64_t
*
)
next
;
crc
=
big_table
[
0
][(
n
&
0xff
)
^
((
crc
>>
(
56
-
8
))
&
0xff
)]
^
big_table
[
1
][((
n
>>
8
)
&
0xff
)
^
(
crc
&
0xff
)]
^
big_table
[
2
][(
n
>>
16
)
&
0xff
]
^
big_table
[
3
][(
n
>>
24
)
&
0xff
]
^
big_table
[
4
][(
n
>>
32
)
&
0xff
]
^
big_table
[
5
][(
n
>>
40
)
&
0xff
]
^
big_table
[
6
][(
n
>>
48
)
&
0xff
]
^
big_table
[
7
][
n
>>
56
];
next
+=
8
;
len
-=
8
;
}
while
(
len
)
{
crc
=
big_table
[
0
][((
crc
>>
(
56
-
8
))
^
*
next
++
)
&
0xff
]
^
(
crc
>>
8
);
len
--
;
}
return
rev8
(
crc
);
}
/* Return the CRC of buf[0..len-1] with initial crc, processing eight bytes
at a time using passed-in lookup table.
This selects one of two routines depending on the endianess of
the architecture. */
uint64_t
crcspeed64native
(
uint64_t
table
[
8
][
256
],
uint64_t
crc
,
void
*
buf
,
size_t
len
)
{
uint64_t
n
=
1
;
return
*
(
char
*
)
&
n
?
crcspeed64little
(
table
,
crc
,
buf
,
len
)
:
crcspeed64big
(
table
,
crc
,
buf
,
len
);
}
uint16_t
crcspeed16native
(
uint16_t
table
[
8
][
256
],
uint16_t
crc
,
void
*
buf
,
size_t
len
)
{
uint64_t
n
=
1
;
return
*
(
char
*
)
&
n
?
crcspeed16little
(
table
,
crc
,
buf
,
len
)
:
crcspeed16big
(
table
,
crc
,
buf
,
len
);
}
/* Initialize CRC lookup table in architecture-dependent manner. */
void
crcspeed64native_init
(
crcfn64
fn
,
uint64_t
table
[
8
][
256
])
{
uint64_t
n
=
1
;
*
(
char
*
)
&
n
?
crcspeed64little_init
(
fn
,
table
)
:
crcspeed64big_init
(
fn
,
table
);
}
void
crcspeed16native_init
(
crcfn16
fn
,
uint16_t
table
[
8
][
256
])
{
uint64_t
n
=
1
;
*
(
char
*
)
&
n
?
crcspeed16little_init
(
fn
,
table
)
:
crcspeed16big_init
(
fn
,
table
);
}
src/crcspeed.h
0 → 100644
View file @
911a2d6c
/* Copyright (c) 2014, Matt Stancliff <matt@genges.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. */
#ifndef CRCSPEED_H
#define CRCSPEED_H
#include <inttypes.h>
#include <stdio.h>
typedef
uint64_t
(
*
crcfn64
)(
uint64_t
,
const
void
*
,
const
uint64_t
);
typedef
uint16_t
(
*
crcfn16
)(
uint16_t
,
const
void
*
,
const
uint64_t
);
/* CRC-64 */
void
crcspeed64little_init
(
crcfn64
fn
,
uint64_t
table
[
8
][
256
]);
void
crcspeed64big_init
(
crcfn64
fn
,
uint64_t
table
[
8
][
256
]);
void
crcspeed64native_init
(
crcfn64
fn
,
uint64_t
table
[
8
][
256
]);
uint64_t
crcspeed64little
(
uint64_t
table
[
8
][
256
],
uint64_t
crc
,
void
*
buf
,
size_t
len
);
uint64_t
crcspeed64big
(
uint64_t
table
[
8
][
256
],
uint64_t
crc
,
void
*
buf
,
size_t
len
);
uint64_t
crcspeed64native
(
uint64_t
table
[
8
][
256
],
uint64_t
crc
,
void
*
buf
,
size_t
len
);
/* CRC-16 */
void
crcspeed16little_init
(
crcfn16
fn
,
uint16_t
table
[
8
][
256
]);
void
crcspeed16big_init
(
crcfn16
fn
,
uint16_t
table
[
8
][
256
]);
void
crcspeed16native_init
(
crcfn16
fn
,
uint16_t
table
[
8
][
256
]);
uint16_t
crcspeed16little
(
uint16_t
table
[
8
][
256
],
uint16_t
crc
,
void
*
buf
,
size_t
len
);
uint16_t
crcspeed16big
(
uint16_t
table
[
8
][
256
],
uint16_t
crc
,
void
*
buf
,
size_t
len
);
uint16_t
crcspeed16native
(
uint16_t
table
[
8
][
256
],
uint16_t
crc
,
void
*
buf
,
size_t
len
);
#endif
src/rdb.c
View file @
911a2d6c
...
...
@@ -2291,7 +2291,8 @@ int rdbLoadRio(rio *rdb, int rdbflags, rdbSaveInfo *rsi) {
if
(
cksum
==
0
)
{
serverLog
(
LL_WARNING
,
"RDB file was saved with checksum disabled: no check performed."
);
}
else
if
(
cksum
!=
expected
)
{
serverLog
(
LL_WARNING
,
"Wrong RDB checksum. Aborting now."
);
serverLog
(
LL_WARNING
,
"Wrong RDB checksum expected: (%llx) but "
"got (%llx). Aborting now."
,
expected
,
cksum
);
rdbExitReportCorruptRDB
(
"RDB CRC error"
);
}
}
...
...
src/server.c
View file @
911a2d6c
...
...
@@ -2892,6 +2892,7 @@ void initServer(void) {
scriptingInit
(
1
);
slowlogInit
();
latencyMonitorInit
();
crc64_init
();
}
/* Some steps in server initialization need to be done last (after modules
...
...
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