1/* 2 * nghttp2 - HTTP/2 C Library 3 * 4 * Copyright (c) 2013 Tatsuhiro Tsujikawa 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25#include "comp_helper.h" 26#include <string.h> 27 28static void dump_val(json_t *jent, const char *key, uint8_t *val, size_t len) { 29 json_object_set_new(jent, key, json_pack("s#", val, len)); 30} 31 32#define NGHTTP2_HD_ENTRY_OVERHEAD 32 33 34json_t *dump_deflate_header_table(nghttp2_hd_deflater *deflater) { 35 json_t *obj, *entries; 36 size_t i; 37 size_t len = nghttp2_hd_deflate_get_num_table_entries(deflater); 38 39 obj = json_object(); 40 entries = json_array(); 41 /* The first index of dynamic table is 62 */ 42 for (i = 62; i <= len; ++i) { 43 const nghttp2_nv *nv = nghttp2_hd_deflate_get_table_entry(deflater, i); 44 json_t *outent = json_object(); 45 json_object_set_new(outent, "index", json_integer((json_int_t)i)); 46 dump_val(outent, "name", nv->name, nv->namelen); 47 dump_val(outent, "value", nv->value, nv->valuelen); 48 json_object_set_new(outent, "size", 49 json_integer((json_int_t)(nv->namelen + nv->valuelen + 50 NGHTTP2_HD_ENTRY_OVERHEAD))); 51 json_array_append_new(entries, outent); 52 } 53 json_object_set_new(obj, "entries", entries); 54 json_object_set_new( 55 obj, "size", 56 json_integer( 57 (json_int_t)nghttp2_hd_deflate_get_dynamic_table_size(deflater))); 58 json_object_set_new( 59 obj, "max_size", 60 json_integer( 61 (json_int_t)nghttp2_hd_deflate_get_max_dynamic_table_size(deflater))); 62 63 return obj; 64} 65 66json_t *dump_inflate_header_table(nghttp2_hd_inflater *inflater) { 67 json_t *obj, *entries; 68 size_t i; 69 size_t len = nghttp2_hd_inflate_get_num_table_entries(inflater); 70 71 obj = json_object(); 72 entries = json_array(); 73 /* The first index of dynamic table is 62 */ 74 for (i = 62; i <= len; ++i) { 75 const nghttp2_nv *nv = nghttp2_hd_inflate_get_table_entry(inflater, i); 76 json_t *outent = json_object(); 77 json_object_set_new(outent, "index", json_integer((json_int_t)i)); 78 dump_val(outent, "name", nv->name, nv->namelen); 79 dump_val(outent, "value", nv->value, nv->valuelen); 80 json_object_set_new(outent, "size", 81 json_integer((json_int_t)(nv->namelen + nv->valuelen + 82 NGHTTP2_HD_ENTRY_OVERHEAD))); 83 json_array_append_new(entries, outent); 84 } 85 json_object_set_new(obj, "entries", entries); 86 json_object_set_new( 87 obj, "size", 88 json_integer( 89 (json_int_t)nghttp2_hd_inflate_get_dynamic_table_size(inflater))); 90 json_object_set_new( 91 obj, "max_size", 92 json_integer( 93 (json_int_t)nghttp2_hd_inflate_get_max_dynamic_table_size(inflater))); 94 95 return obj; 96} 97 98json_t *dump_header(const uint8_t *name, size_t namelen, const uint8_t *value, 99 size_t valuelen) { 100 json_t *nv_pair = json_object(); 101 char *cname = malloc(namelen + 1); 102 if (cname == NULL) { 103 return NULL; 104 } 105 memcpy(cname, name, namelen); 106 cname[namelen] = '\0'; 107 json_object_set_new(nv_pair, cname, json_pack("s#", value, valuelen)); 108 free(cname); 109 return nv_pair; 110} 111 112json_t *dump_headers(const nghttp2_nv *nva, size_t nvlen) { 113 json_t *headers; 114 size_t i; 115 116 headers = json_array(); 117 for (i = 0; i < nvlen; ++i) { 118 json_array_append_new(headers, dump_header(nva[i].name, nva[i].namelen, 119 nva[i].value, nva[i].valuelen)); 120 } 121 return headers; 122} 123 124void output_json_header(void) { 125 printf("{\n" 126 " \"cases\":\n" 127 " [\n"); 128} 129 130void output_json_footer(void) { 131 printf(" ]\n" 132 "}\n"); 133} 134