nghttp2/src/comp_helper.c

134 lines
4.6 KiB
C

/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2013 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "comp_helper.h"
#include <string.h>
static void dump_val(json_t *jent, const char *key, uint8_t *val, size_t len) {
json_object_set_new(jent, key, json_pack("s#", val, len));
}
#define NGHTTP2_HD_ENTRY_OVERHEAD 32
json_t *dump_deflate_header_table(nghttp2_hd_deflater *deflater) {
json_t *obj, *entries;
size_t i;
size_t len = nghttp2_hd_deflate_get_num_table_entries(deflater);
obj = json_object();
entries = json_array();
/* The first index of dynamic table is 62 */
for (i = 62; i <= len; ++i) {
const nghttp2_nv *nv = nghttp2_hd_deflate_get_table_entry(deflater, i);
json_t *outent = json_object();
json_object_set_new(outent, "index", json_integer((json_int_t)i));
dump_val(outent, "name", nv->name, nv->namelen);
dump_val(outent, "value", nv->value, nv->valuelen);
json_object_set_new(outent, "size",
json_integer((json_int_t)(nv->namelen + nv->valuelen +
NGHTTP2_HD_ENTRY_OVERHEAD)));
json_array_append_new(entries, outent);
}
json_object_set_new(obj, "entries", entries);
json_object_set_new(
obj, "size",
json_integer(
(json_int_t)nghttp2_hd_deflate_get_dynamic_table_size(deflater)));
json_object_set_new(
obj, "max_size",
json_integer(
(json_int_t)nghttp2_hd_deflate_get_max_dynamic_table_size(deflater)));
return obj;
}
json_t *dump_inflate_header_table(nghttp2_hd_inflater *inflater) {
json_t *obj, *entries;
size_t i;
size_t len = nghttp2_hd_inflate_get_num_table_entries(inflater);
obj = json_object();
entries = json_array();
/* The first index of dynamic table is 62 */
for (i = 62; i <= len; ++i) {
const nghttp2_nv *nv = nghttp2_hd_inflate_get_table_entry(inflater, i);
json_t *outent = json_object();
json_object_set_new(outent, "index", json_integer((json_int_t)i));
dump_val(outent, "name", nv->name, nv->namelen);
dump_val(outent, "value", nv->value, nv->valuelen);
json_object_set_new(outent, "size",
json_integer((json_int_t)(nv->namelen + nv->valuelen +
NGHTTP2_HD_ENTRY_OVERHEAD)));
json_array_append_new(entries, outent);
}
json_object_set_new(obj, "entries", entries);
json_object_set_new(
obj, "size",
json_integer(
(json_int_t)nghttp2_hd_inflate_get_dynamic_table_size(inflater)));
json_object_set_new(
obj, "max_size",
json_integer(
(json_int_t)nghttp2_hd_inflate_get_max_dynamic_table_size(inflater)));
return obj;
}
json_t *dump_header(const uint8_t *name, size_t namelen, const uint8_t *value,
size_t valuelen) {
json_t *nv_pair = json_object();
char *cname = malloc(namelen + 1);
if (cname == NULL) {
return NULL;
}
memcpy(cname, name, namelen);
cname[namelen] = '\0';
json_object_set_new(nv_pair, cname, json_pack("s#", value, valuelen));
free(cname);
return nv_pair;
}
json_t *dump_headers(const nghttp2_nv *nva, size_t nvlen) {
json_t *headers;
size_t i;
headers = json_array();
for (i = 0; i < nvlen; ++i) {
json_array_append_new(headers, dump_header(nva[i].name, nva[i].namelen,
nva[i].value, nva[i].valuelen));
}
return headers;
}
void output_json_header(void) {
printf("{\n"
" \"cases\":\n"
" [\n");
}
void output_json_footer(void) {
printf(" ]\n"
"}\n");
}