1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include <stdlib.h> 20 #include <string.h> 21 22 #include <grpc/compression.h> 23 #include <grpc/grpc.h> 24 #include <grpc/support/log.h> 25 26 #include "src/core/lib/gpr/useful.h" 27 #include "test/core/util/test_config.h" 28 29 static void test_compression_algorithm_parse(void) { 30 size_t i; 31 const char* valid_names[] = {"identity", "gzip", "deflate", "stream/gzip"}; 32 const grpc_compression_algorithm valid_algorithms[] = { 33 GRPC_COMPRESS_NONE, GRPC_COMPRESS_GZIP, GRPC_COMPRESS_DEFLATE, 34 GRPC_COMPRESS_STREAM_GZIP}; 35 const char* invalid_names[] = {"gzip2", "foo", "", "2gzip"}; 36 37 gpr_log(GPR_DEBUG, "test_compression_algorithm_parse"); 38 39 for (i = 0; i < GPR_ARRAY_SIZE(valid_names); i++) { 40 const char* valid_name = valid_names[i]; 41 grpc_compression_algorithm algorithm; 42 const int success = grpc_compression_algorithm_parse( 43 grpc_slice_from_static_string(valid_name), &algorithm); 44 GPR_ASSERT(success != 0); 45 GPR_ASSERT(algorithm == valid_algorithms[i]); 46 } 47 48 for (i = 0; i < GPR_ARRAY_SIZE(invalid_names); i++) { 49 const char* invalid_name = invalid_names[i]; 50 grpc_compression_algorithm algorithm; 51 int success; 52 success = grpc_compression_algorithm_parse( 53 grpc_slice_from_static_string(invalid_name), &algorithm); 54 GPR_ASSERT(success == 0); 55 /* the value of "algorithm" is undefined upon failure */ 56 } 57 } 58 59 static void test_compression_algorithm_name(void) { 60 int success; 61 const char* name; 62 size_t i; 63 const char* valid_names[] = {"identity", "gzip", "deflate", "stream/gzip"}; 64 const grpc_compression_algorithm valid_algorithms[] = { 65 GRPC_COMPRESS_NONE, GRPC_COMPRESS_GZIP, GRPC_COMPRESS_DEFLATE, 66 GRPC_COMPRESS_STREAM_GZIP}; 67 68 gpr_log(GPR_DEBUG, "test_compression_algorithm_name"); 69 70 for (i = 0; i < GPR_ARRAY_SIZE(valid_algorithms); i++) { 71 success = grpc_compression_algorithm_name(valid_algorithms[i], &name); 72 GPR_ASSERT(success != 0); 73 GPR_ASSERT(strcmp(name, valid_names[i]) == 0); 74 } 75 76 success = 77 grpc_compression_algorithm_name(GRPC_COMPRESS_ALGORITHMS_COUNT, &name); 78 GPR_ASSERT(success == 0); 79 /* the value of "name" is undefined upon failure */ 80 } 81 82 static void test_compression_algorithm_for_level(void) { 83 gpr_log(GPR_DEBUG, "test_compression_algorithm_for_level"); 84 85 { 86 /* accept only identity (aka none) */ 87 uint32_t accepted_encodings = 0; 88 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */ 89 90 GPR_ASSERT(GRPC_COMPRESS_NONE == 91 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE, 92 accepted_encodings)); 93 94 GPR_ASSERT(GRPC_COMPRESS_NONE == 95 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW, 96 accepted_encodings)); 97 98 GPR_ASSERT(GRPC_COMPRESS_NONE == 99 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED, 100 accepted_encodings)); 101 102 GPR_ASSERT(GRPC_COMPRESS_NONE == 103 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH, 104 accepted_encodings)); 105 } 106 107 { 108 /* accept only gzip */ 109 uint32_t accepted_encodings = 0; 110 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */ 111 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP); 112 113 GPR_ASSERT(GRPC_COMPRESS_NONE == 114 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE, 115 accepted_encodings)); 116 117 GPR_ASSERT(GRPC_COMPRESS_GZIP == 118 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW, 119 accepted_encodings)); 120 121 GPR_ASSERT(GRPC_COMPRESS_GZIP == 122 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED, 123 accepted_encodings)); 124 125 GPR_ASSERT(GRPC_COMPRESS_GZIP == 126 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH, 127 accepted_encodings)); 128 } 129 130 { 131 /* accept only deflate */ 132 uint32_t accepted_encodings = 0; 133 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */ 134 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE); 135 136 GPR_ASSERT(GRPC_COMPRESS_NONE == 137 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE, 138 accepted_encodings)); 139 140 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 141 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW, 142 accepted_encodings)); 143 144 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 145 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED, 146 accepted_encodings)); 147 148 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 149 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH, 150 accepted_encodings)); 151 } 152 153 { 154 /* accept gzip and deflate */ 155 uint32_t accepted_encodings = 0; 156 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */ 157 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP); 158 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE); 159 160 GPR_ASSERT(GRPC_COMPRESS_NONE == 161 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE, 162 accepted_encodings)); 163 164 GPR_ASSERT(GRPC_COMPRESS_GZIP == 165 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW, 166 accepted_encodings)); 167 168 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 169 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED, 170 accepted_encodings)); 171 172 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 173 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH, 174 accepted_encodings)); 175 } 176 177 { 178 /* accept stream gzip */ 179 uint32_t accepted_encodings = 0; 180 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */ 181 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_STREAM_GZIP); 182 183 GPR_ASSERT(GRPC_COMPRESS_NONE == 184 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE, 185 accepted_encodings)); 186 187 GPR_ASSERT(GRPC_COMPRESS_NONE == 188 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW, 189 accepted_encodings)); 190 191 GPR_ASSERT(GRPC_COMPRESS_NONE == 192 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED, 193 accepted_encodings)); 194 195 GPR_ASSERT(GRPC_COMPRESS_NONE == 196 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH, 197 accepted_encodings)); 198 } 199 200 { 201 /* accept all algorithms */ 202 uint32_t accepted_encodings = 0; 203 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */ 204 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP); 205 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE); 206 GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_STREAM_GZIP); 207 208 GPR_ASSERT(GRPC_COMPRESS_NONE == 209 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE, 210 accepted_encodings)); 211 212 GPR_ASSERT(GRPC_COMPRESS_GZIP == 213 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW, 214 accepted_encodings)); 215 216 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 217 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED, 218 accepted_encodings)); 219 220 GPR_ASSERT(GRPC_COMPRESS_DEFLATE == 221 grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH, 222 accepted_encodings)); 223 } 224 } 225 226 static void test_compression_enable_disable_algorithm(void) { 227 grpc_compression_options options; 228 grpc_compression_algorithm algorithm; 229 230 gpr_log(GPR_DEBUG, "test_compression_enable_disable_algorithm"); 231 232 grpc_compression_options_init(&options); 233 for (algorithm = GRPC_COMPRESS_NONE; 234 algorithm < GRPC_COMPRESS_ALGORITHMS_COUNT; 235 algorithm = static_cast<grpc_compression_algorithm>( 236 static_cast<int>(algorithm) + 1)) { 237 /* all algorithms are enabled by default */ 238 GPR_ASSERT(grpc_compression_options_is_algorithm_enabled(&options, 239 algorithm) != 0); 240 } 241 /* disable one by one */ 242 for (algorithm = GRPC_COMPRESS_NONE; 243 algorithm < GRPC_COMPRESS_ALGORITHMS_COUNT; 244 algorithm = static_cast<grpc_compression_algorithm>( 245 static_cast<int>(algorithm) + 1)) { 246 grpc_compression_options_disable_algorithm(&options, algorithm); 247 GPR_ASSERT(grpc_compression_options_is_algorithm_enabled(&options, 248 algorithm) == 0); 249 } 250 /* re-enable one by one */ 251 for (algorithm = GRPC_COMPRESS_NONE; 252 algorithm < GRPC_COMPRESS_ALGORITHMS_COUNT; 253 algorithm = static_cast<grpc_compression_algorithm>( 254 static_cast<int>(algorithm) + 1)) { 255 grpc_compression_options_enable_algorithm(&options, algorithm); 256 GPR_ASSERT(grpc_compression_options_is_algorithm_enabled(&options, 257 algorithm) != 0); 258 } 259 } 260 261 int main(int argc, char** argv) { 262 grpc_init(); 263 test_compression_algorithm_parse(); 264 test_compression_algorithm_name(); 265 test_compression_algorithm_for_level(); 266 test_compression_enable_disable_algorithm(); 267 grpc_shutdown(); 268 269 return 0; 270 } 271