TSG-20527 http解析层支持zstd编解码

This commit is contained in:
fengweihao
2024-04-28 17:37:08 +08:00
parent 397a6aba93
commit a8313580e1
6 changed files with 159 additions and 1 deletions

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@@ -8,7 +8,7 @@ target_link_libraries(http common)
target_link_libraries(http http-parser-static)
target_link_libraries(http libevent-static)
target_link_libraries(http z)
target_link_libraries(http brotlienc-static brotlidec-static)
target_link_libraries(http brotlienc-static brotlidec-static zstd-static)
target_link_libraries(http MESA_prof_load)
### UNITTEST CASE

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@@ -1,6 +1,8 @@
#pragma once
#include <tfe_http.h>
#include <http_half.h>
#include <zstd.h>
#include <zdict.h>
struct hf_content_uncompress;
struct hf_content_compress;

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@@ -31,6 +31,7 @@ struct http_header_private
#define HTTP_ACCEPT_ENCODING_X_GZIP BV(5)
#define HTTP_ACCEPT_ENCODING_X_BZIP2 BV(6)
#define HTTP_ACCEPT_ENCODING_BR BV(7)
#define HTTP_ACCEPT_ENCODING_ZSTD BV(8)
TAILQ_HEAD(http_header_private_list, http_header_private);
struct http_half_private

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@@ -17,6 +17,8 @@ struct hf_content_uncompress
z_stream * z_stream_ptr;
/* BR DECODER STATE */
BrotliDecoderState * brdec_state;
/* ZSTD DCTX */
ZSTD_DCtx* dctx;
unsigned char * chunk;
size_t sz_chunk;
@@ -27,6 +29,7 @@ struct hf_content_compress
unsigned int content_encode;
z_stream * z_stream_ptr;
BrotliEncoderState * brenc_state;
ZSTD_CCtx* cctx;
};
void hf_content_uncompress_destroy(struct hf_content_uncompress * cv_object)
@@ -44,6 +47,12 @@ void hf_content_uncompress_destroy(struct hf_content_uncompress * cv_object)
cv_object->brdec_state = NULL;
}
if(cv_object->dctx != NULL)
{
ZSTD_freeDCtx(cv_object->dctx);
cv_object->dctx = NULL;
}
free(cv_object->chunk);
free(cv_object);
}
@@ -93,6 +102,11 @@ struct hf_content_uncompress * hf_content_uncompress_create(unsigned int content
cv_object->brdec_state = BrotliDecoderCreateInstance(NULL, NULL, NULL);
if (unlikely(cv_object->brdec_state == NULL)) goto __errout;
}
if (content_encode == HTTP_ACCEPT_ENCODING_ZSTD)
{
cv_object->dctx = ZSTD_createDCtx();
if (unlikely(cv_object->dctx == NULL)) goto __errout;
}
return cv_object;
@@ -109,6 +123,12 @@ __errout:
cv_object->brdec_state = NULL;
}
if(cv_object->dctx != NULL)
{
ZSTD_freeDCtx(cv_object->dctx);
cv_object->dctx = NULL;
}
free(cv_object->chunk);
free(cv_object);
return NULL;
@@ -195,6 +215,43 @@ static int __hf_content_uncompress_write_br(struct hf_content_uncompress * cv_ob
}
}
static int __hf_content_uncompress_write_zstd(struct hf_content_uncompress * cv_object,
struct http_half_private * hf_private, tfe_http_event http_ev, const unsigned char * data, size_t datalen)
{
ZSTD_outBuffer output;
size_t available_in = datalen;
const unsigned char * next_in = data;
ZSTD_inBuffer input = {next_in, available_in, 0 };
size_t available_out;
unsigned char * next_out;
int ret;
for (;;)
{
available_out = cv_object->sz_chunk;
next_out = cv_object->chunk;
output = {next_out, available_out, 0 };
ret = ZSTD_decompressStream(cv_object->dctx, &output, &input);
size_t have = (unsigned int)cv_object->sz_chunk - (output.size - output.pos);
if (have > 0 && cv_object->data_cb != NULL)
{
cv_object->data_cb(hf_private, http_ev, cv_object->chunk, have, cv_object->data_cb_user);
}
if(ret >= 0)
{
return 1;
}
if (ret < 0 )
{
TFE_LOG_ERROR(g_http_plugin->logger, "ZSTD_decompressStream() failed: errno = %d, %s",
ret, ZSTD_getErrorName(ret)); return -1;
}
}
}
int hf_content_uncompress_write(struct hf_content_uncompress * cv_object,
struct http_half_private * hf_private, tfe_http_event http_ev, const unsigned char * data, size_t datalen)
{
@@ -209,6 +266,11 @@ int hf_content_uncompress_write(struct hf_content_uncompress * cv_object,
return __hf_content_uncompress_write_br(cv_object, hf_private, http_ev, data, datalen);
}
if (cv_object->content_encode == HTTP_ACCEPT_ENCODING_ZSTD)
{
return __hf_content_uncompress_write_zstd(cv_object, hf_private, http_ev, data, datalen);
}
assert(0);
return -1;
}
@@ -253,6 +315,13 @@ struct hf_content_compress * hf_content_compress_create(unsigned int content_enc
BrotliEncoderSetParameter(cv_object->brenc_state, BROTLI_PARAM_QUALITY, 3);
}
if (cv_object->content_encode == HTTP_ACCEPT_ENCODING_ZSTD)
{
cv_object->cctx = ZSTD_createCCtx();
if (unlikely(cv_object->cctx == NULL)) goto __errout;
ZSTD_CCtx_setParameter(cv_object->cctx, ZSTD_c_compressionLevel, 1);
ZSTD_CCtx_setParameter(cv_object->cctx, ZSTD_c_checksumFlag, 1);
}
return cv_object;
__errout:
@@ -268,6 +337,12 @@ __errout:
cv_object->brenc_state = NULL;
}
if (cv_object->cctx)
{
ZSTD_freeCCtx(cv_object->cctx);
cv_object->cctx = NULL;
}
free(cv_object);
return NULL;
}
@@ -374,6 +449,54 @@ static int __hf_content_compress_write_br(struct hf_content_compress * cv_object
return 0;
}
static int __hf_content_compress_write_zstd(struct hf_content_compress * cv_object,
const unsigned char * in_data, size_t sz_in_data, struct evbuffer * out_ev_buf, int end)
{
struct evbuffer_iovec v[1];
size_t __sz_reserve_chunk = sz_in_data > SZ_RESERVE_SPACE ? sz_in_data : SZ_RESERVE_SPACE;
int iov_count = evbuffer_reserve_space(out_ev_buf, __sz_reserve_chunk, v, 1);
if (iov_count != 1) return -1;
ZSTD_outBuffer output = {0};
const unsigned char * next_in = in_data;
size_t avail_in = sz_in_data;
ZSTD_inBuffer input = {next_in, avail_in, 0};
unsigned char * next_out = (unsigned char *)v[0].iov_base;
size_t avail_out = v[0].iov_len;
output = (ZSTD_outBuffer){next_out, avail_out, 0};
ZSTD_EndDirective const mode = end ? ZSTD_e_end : ZSTD_e_continue;
int ret = 0;
do
{
ret = ZSTD_compressStream2(cv_object->cctx, &output, &input, mode);
if (ZSTD_isError(ret))
{
TFE_LOG_ERROR(g_http_plugin->logger, "ZSTD_compressStream2() error.");
return ret;
}
if (output.pos == output.size && output.pos != 0 && output.size != 0)
{
v[0].iov_len = v[0].iov_len - avail_out;
ret = evbuffer_commit_space(out_ev_buf, v, iov_count);
if(ret < 0) return -2;
if(avail_out == 0)
{
iov_count = evbuffer_reserve_space(out_ev_buf, __sz_reserve_chunk, v, 1);
if(unlikely(iov_count != 1)) return -3;
next_out = (unsigned char *) v[0].iov_base;
avail_out = (unsigned int) v[0].iov_len;
output = (ZSTD_outBuffer){next_out, avail_out, 0};
}
}
}
while (avail_in > 0);
return 0;
}
int hf_content_compress_write(struct hf_content_compress * cv_object,
const unsigned char * in_data, size_t sz_in_data, struct evbuffer * out_ev_buf, int end)
{
@@ -388,12 +511,22 @@ int hf_content_compress_write(struct hf_content_compress * cv_object,
return __hf_content_compress_write_br(cv_object, in_data, sz_in_data, out_ev_buf, end);
}
if (cv_object->content_encode == HTTP_ACCEPT_ENCODING_ZSTD)
{
return __hf_content_compress_write_zstd(cv_object, in_data, sz_in_data, out_ev_buf, end);
}
assert(0);
return -1;
}
void hf_content_compress_destroy(hf_content_compress * cv_object)
{
if (cv_object->cctx){
ZSTD_freeCCtx(cv_object->cctx);
cv_object->cctx = NULL;
}
if (cv_object->brenc_state) {
BrotliEncoderDestroyInstance(cv_object->brenc_state);
cv_object->brenc_state = NULL;

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@@ -73,6 +73,11 @@ uint16_t __hf_content_encoding_parse(const char * str_content_encoding)
return HTTP_ACCEPT_ENCODING_BR;
}
if(strcasestr(str_content_encoding, "zstd") != NULL)
{
return HTTP_ACCEPT_ENCODING_ZSTD;
}
return HTTP_ACCEPT_ENCODING_NONE;
}
@@ -86,6 +91,7 @@ const char * __hf_content_encoding_to_str(unsigned int encode)
case HTTP_ACCEPT_ENCODING_BZIP2: return "bzip2";
case HTTP_ACCEPT_ENCODING_X_BZIP2: return "x-bzip2";
case HTTP_ACCEPT_ENCODING_BR: return "br";
case HTTP_ACCEPT_ENCODING_ZSTD: return "zstd";
default: return "";
}
}

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@@ -317,6 +317,22 @@ TEST_P(HttpConvertCompress, MonkeyToGzipStreamWithNullEnd)
EXPECT_EQ(memcmp(uncompress_buf.data(), monkey, sizeof(monkey)), 0);
}
TEST_P(HttpConvertCompress, MonkeyToZstd)
{
int ret = hf_content_compress_write(cv_compress_object, monkey, sizeof(monkey), buf, 1);
ASSERT_EQ(ret, 0);
unsigned char * __raw_buf_ptr = evbuffer_pullup(buf, -1);
size_t __raw_buf_length = evbuffer_get_length(buf);
ret = hf_content_uncompress_write(cv_uncompress_object, NULL, EV_HTTP_REQ_BODY_CONT,
__raw_buf_ptr, __raw_buf_length);
ASSERT_TRUE(__raw_buf_ptr != NULL);
ASSERT_EQ(ret, 1);
EXPECT_EQ(uncompress_buf.size(), sizeof(monkey));
EXPECT_EQ(memcmp(uncompress_buf.data(), monkey, sizeof(monkey)), 0);
}
INSTANTIATE_TEST_CASE_P(HttpConvertCompressGroup, HttpConvertCompress,
::testing::Values(HTTP_ACCEPT_ENCODING_GZIP, HTTP_ACCEPT_ENCODING_DEFLATE, HTTP_ACCEPT_ENCODING_BR));