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ut/reduce: move ut_compress/decompress functions

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This just moves code to prepare for these functions
to be used earlier in the file without adding
extra function declarations.

Move ut_build_data_buffer as well for similar
reasons.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ifd4fb4abbd43aaa01fca3b73bbfd847ffdd4d6f7

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449512
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Jim Harris 2019-03-28 13:54:35 -07:00 committed by Ben Walker
parent fa0d54d431
commit 27631eb571
1 changed files with 78 additions and 78 deletions
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156
test/unit/lib/reduce/reduce.c/reduce_ut.c
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@ -389,6 +389,84 @@ backing_dev_io_execute(uint32_t count)
} }
} }
static int
ut_compress(char *outbuf, uint32_t *compressed_len, char *inbuf, uint32_t inbuflen)
{
uint32_t len = 0;
uint8_t count;
char last;
while (true) {
if (inbuflen == 0) {
*compressed_len = len;
return 0;
}
if (*compressed_len < (len + 2)) {
return -ENOSPC;
}
last = *inbuf;
count = 1;
inbuflen--;
inbuf++;
while (inbuflen > 0 && *inbuf == last && count < UINT8_MAX) {
count++;
inbuflen--;
inbuf++;
}
outbuf[len] = count;
outbuf[len + 1] = last;
len += 2;
}
}
static int
ut_decompress(uint8_t *outbuf, uint32_t *compressed_len, uint8_t *inbuf, uint32_t inbuflen)
{
uint32_t len = 0;
SPDK_CU_ASSERT_FATAL(inbuflen % 2 == 0);
while (true) {
if (inbuflen == 0) {
*compressed_len = len;
return 0;
}
if ((len + inbuf[0]) > *compressed_len) {
return -ENOSPC;
}
memset(outbuf, inbuf[1], inbuf[0]);
outbuf += inbuf[0];
len += inbuf[0];
inbuflen -= 2;
inbuf += 2;
}
}
static void
ut_build_data_buffer(uint8_t *data, uint32_t data_len, uint8_t init_val, uint32_t repeat)
{
uint32_t _repeat = repeat;
SPDK_CU_ASSERT_FATAL(repeat > 0);
while (data_len > 0) {
*data = init_val;
data++;
data_len--;
_repeat--;
if (_repeat == 0) {
init_val++;
_repeat = repeat;
}
}
}
static void static void
backing_dev_compress(struct spdk_reduce_backing_dev *backing_dev, backing_dev_compress(struct spdk_reduce_backing_dev *backing_dev,
struct iovec *src_iov, int src_iovcnt, struct iovec *src_iov, int src_iovcnt,
@ -1052,84 +1130,6 @@ overlapped(void)
backing_dev_destroy(&backing_dev); backing_dev_destroy(&backing_dev);
} }
static int
ut_compress(char *outbuf, uint32_t *compressed_len, char *inbuf, uint32_t inbuflen)
{
uint32_t len = 0;
uint8_t count;
char last;
while (true) {
if (inbuflen == 0) {
*compressed_len = len;
return 0;
}
if (*compressed_len < (len + 2)) {
return -ENOSPC;
}
last = *inbuf;
count = 1;
inbuflen--;
inbuf++;
while (inbuflen > 0 && *inbuf == last && count < UINT8_MAX) {
count++;
inbuflen--;
inbuf++;
}
outbuf[len] = count;
outbuf[len + 1] = last;
len += 2;
}
}
static int
ut_decompress(uint8_t *outbuf, uint32_t *compressed_len, uint8_t *inbuf, uint32_t inbuflen)
{
uint32_t len = 0;
SPDK_CU_ASSERT_FATAL(inbuflen % 2 == 0);
while (true) {
if (inbuflen == 0) {
*compressed_len = len;
return 0;
}
if ((len + inbuf[0]) > *compressed_len) {
return -ENOSPC;
}
memset(outbuf, inbuf[1], inbuf[0]);
outbuf += inbuf[0];
len += inbuf[0];
inbuflen -= 2;
inbuf += 2;
}
}
static void
ut_build_data_buffer(uint8_t *data, uint32_t data_len, uint8_t init_val, uint32_t repeat)
{
uint32_t _repeat = repeat;
SPDK_CU_ASSERT_FATAL(repeat > 0);
while (data_len > 0) {
*data = init_val;
data++;
data_len--;
_repeat--;
if (_repeat == 0) {
init_val++;
_repeat = repeat;
}
}
}
#define BUFSIZE 4096 #define BUFSIZE 4096
static void static void