Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2015, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <ruby/ruby.h> |
| 35 | |
| 36 | #include "rb_compression_options.h" |
| 37 | #include "rb_grpc_imports.generated.h" |
| 38 | |
| 39 | #include <grpc/compression.h> |
| 40 | #include <grpc/grpc.h> |
| 41 | #include <grpc/impl/codegen/alloc.h> |
| 42 | #include <grpc/impl/codegen/compression_types.h> |
| 43 | #include <grpc/impl/codegen/grpc_types.h> |
| 44 | #include <string.h> |
| 45 | |
| 46 | #include "rb_grpc.h" |
| 47 | |
| 48 | static VALUE grpc_rb_cCompressionOptions = Qnil; |
| 49 | |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 50 | /* Ruby Ids for the names of valid compression levels. */ |
| 51 | static VALUE id_compress_level_none = Qnil; |
| 52 | static VALUE id_compress_level_low = Qnil; |
| 53 | static VALUE id_compress_level_medium = Qnil; |
| 54 | static VALUE id_compress_level_high = Qnil; |
| 55 | |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 56 | /* grpc_rb_compression_options wraps a grpc_compression_options. |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 57 | * It can be used to get the channel argument key-values for specific |
| 58 | * compression settings. */ |
| 59 | |
| 60 | /* Note that ruby objects of this type don't carry any state in other |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 61 | * Ruby objects and don't have a mark for GC. */ |
| 62 | typedef struct grpc_rb_compression_options { |
| 63 | /* The actual compression options that's being wrapped */ |
| 64 | grpc_compression_options *wrapped; |
| 65 | } grpc_rb_compression_options; |
| 66 | |
| 67 | /* Destroys the compression options instances and free the |
| 68 | * wrapped grpc compression options. */ |
| 69 | static void grpc_rb_compression_options_free(void *p) { |
| 70 | grpc_rb_compression_options *wrapper = NULL; |
| 71 | if (p == NULL) { |
| 72 | return; |
| 73 | }; |
| 74 | wrapper = (grpc_rb_compression_options *)p; |
| 75 | |
| 76 | if (wrapper->wrapped != NULL) { |
| 77 | gpr_free(wrapper->wrapped); |
| 78 | wrapper->wrapped = NULL; |
| 79 | } |
| 80 | |
| 81 | xfree(p); |
| 82 | } |
| 83 | |
| 84 | /* Ruby recognized data type for the CompressionOptions class. */ |
| 85 | static rb_data_type_t grpc_rb_compression_options_data_type = { |
| 86 | "grpc_compression_options", |
| 87 | {NULL, |
| 88 | grpc_rb_compression_options_free, |
| 89 | GRPC_RB_MEMSIZE_UNAVAILABLE, |
| 90 | {NULL, NULL}}, |
| 91 | NULL, |
| 92 | NULL, |
| 93 | #ifdef RUBY_TYPED_FREE_IMMEDIATELY |
| 94 | RUBY_TYPED_FREE_IMMEDIATELY |
| 95 | #endif |
| 96 | }; |
| 97 | |
| 98 | /* Allocates CompressionOptions instances. |
| 99 | Allocate the wrapped grpc compression options and |
| 100 | initialize it here too. */ |
| 101 | static VALUE grpc_rb_compression_options_alloc(VALUE cls) { |
| 102 | grpc_rb_compression_options *wrapper = |
| 103 | gpr_malloc(sizeof(grpc_rb_compression_options)); |
| 104 | wrapper->wrapped = NULL; |
| 105 | wrapper->wrapped = gpr_malloc(sizeof(grpc_compression_options)); |
| 106 | grpc_compression_options_init(wrapper->wrapped); |
| 107 | |
| 108 | return TypedData_Wrap_Struct(cls, &grpc_rb_compression_options_data_type, |
| 109 | wrapper); |
| 110 | } |
| 111 | |
| 112 | /* Disables a compression algorithm, given the GRPC core internal number of a |
| 113 | * compression algorithm. */ |
| 114 | VALUE grpc_rb_compression_options_disable_compression_algorithm_internal( |
| 115 | VALUE self, VALUE algorithm_to_disable) { |
| 116 | grpc_compression_algorithm compression_algorithm = 0; |
| 117 | grpc_rb_compression_options *wrapper = NULL; |
| 118 | |
| 119 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 120 | &grpc_rb_compression_options_data_type, wrapper); |
| 121 | compression_algorithm = |
| 122 | (grpc_compression_algorithm)NUM2INT(algorithm_to_disable); |
| 123 | |
| 124 | grpc_compression_options_disable_algorithm(wrapper->wrapped, |
| 125 | compression_algorithm); |
| 126 | |
| 127 | return Qnil; |
| 128 | } |
| 129 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 130 | /* Gets the compression internal enum value of a compression level given its |
| 131 | * name. */ |
| 132 | grpc_compression_level grpc_rb_compression_options_level_name_to_value_internal( |
| 133 | VALUE level_name) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 134 | Check_Type(level_name, T_SYMBOL); |
| 135 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 136 | /* Check the compression level of the name passed in, and see which macro |
| 137 | * from the GRPC core header files match. */ |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 138 | if (id_compress_level_none == SYM2ID(level_name)) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 139 | return GRPC_COMPRESS_LEVEL_NONE; |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 140 | } else if (id_compress_level_low == SYM2ID(level_name)) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 141 | return GRPC_COMPRESS_LEVEL_LOW; |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 142 | } else if (id_compress_level_medium == SYM2ID(level_name)) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 143 | return GRPC_COMPRESS_LEVEL_MED; |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 144 | } else if (id_compress_level_high == SYM2ID(level_name)) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 145 | return GRPC_COMPRESS_LEVEL_HIGH; |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 146 | } |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 147 | |
| 148 | rb_raise(rb_eArgError, |
| 149 | "Unrecognized compression level name." |
| 150 | "Valid compression level names are none, low, medium, and high."); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 151 | } |
| 152 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 153 | /* Wrapper over grpc_rb_compression_options_level_name_to_value available for |
| 154 | * use or testing. |
| 155 | * Raises an exception for unrecognized level names. */ |
| 156 | VALUE grpc_rb_compression_options_level_name_to_value(VALUE self, |
| 157 | VALUE level_name) { |
Alex Polcyn | b72cc3d | 2016-07-10 19:08:54 -0700 | [diff] [blame] | 158 | (void)self; |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 159 | Check_Type(level_name, T_SYMBOL); |
| 160 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 161 | return INT2NUM((int)grpc_rb_compression_options_level_name_to_value_internal( |
| 162 | level_name)); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | /* Sets the default compression level, given the name of a compression level. |
| 166 | * Throws an error if no algorithm matched. */ |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 167 | void grpc_rb_compression_options_set_default_level( |
| 168 | grpc_compression_options *options, VALUE new_level_name) { |
| 169 | options->default_level.level = |
| 170 | grpc_rb_compression_options_level_name_to_value_internal(new_level_name); |
| 171 | options->default_level.is_set = 1; |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | /* Gets the internal value of a compression algorithm suitable as the value |
| 175 | * in a GRPC core channel arguments hash. |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 176 | * algorithm_value is an out parameter. |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 177 | * Raises an error if the name of the algorithm passed in is invalid. */ |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 178 | void grpc_rb_compression_options_algorithm_name_to_value_internal( |
| 179 | grpc_compression_algorithm *algorithm_value, VALUE algorithm_name) { |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 180 | char *name_str = NULL; |
| 181 | long name_len = 0; |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 182 | VALUE algorithm_name_as_string = Qnil; |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 183 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 184 | Check_Type(algorithm_name, T_SYMBOL); |
| 185 | |
| 186 | /* Convert the algorithm symbol to a ruby string, so that we can get the |
| 187 | * correct C string out of it. */ |
| 188 | algorithm_name_as_string = rb_funcall(algorithm_name, rb_intern("to_s"), 0); |
| 189 | |
| 190 | name_str = RSTRING_PTR(algorithm_name_as_string); |
| 191 | name_len = RSTRING_LEN(algorithm_name_as_string); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 192 | |
| 193 | /* Raise an error if the name isn't recognized as a compression algorithm by |
| 194 | * the algorithm parse function |
| 195 | * in GRPC core. */ |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 196 | if (!grpc_compression_algorithm_parse(name_str, name_len, algorithm_value)) { |
| 197 | rb_raise(rb_eNameError, "Invalid compression algorithm name: %s", |
| 198 | StringValueCStr(algorithm_name_as_string)); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 199 | } |
| 200 | } |
| 201 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 202 | /* Wrapper around algorithm_name_to_value_internal function available for use or |
| 203 | * testing. */ |
| 204 | VALUE grpc_rb_compression_options_algorithm_name_to_value( |
| 205 | VALUE self, VALUE algorithm_name) { |
| 206 | grpc_compression_algorithm algorithm_value; |
Alex Polcyn | b72cc3d | 2016-07-10 19:08:54 -0700 | [diff] [blame] | 207 | (void)self; |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 208 | grpc_rb_compression_options_algorithm_name_to_value_internal(&algorithm_value, |
| 209 | algorithm_name); |
| 210 | |
| 211 | return INT2NUM((int)algorithm_value); |
| 212 | } |
| 213 | |
| 214 | /* Indicates whether a given algorithm is enabled on this instance, given the |
| 215 | * readable algorithm name. */ |
| 216 | VALUE grpc_rb_compression_options_is_algorithm_enabled(VALUE self, |
| 217 | VALUE algorithm_name) { |
| 218 | grpc_rb_compression_options *wrapper = NULL; |
| 219 | grpc_compression_algorithm internal_algorithm_value; |
| 220 | |
| 221 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 222 | &grpc_rb_compression_options_data_type, wrapper); |
| 223 | grpc_rb_compression_options_algorithm_name_to_value_internal( |
| 224 | &internal_algorithm_value, algorithm_name); |
| 225 | |
| 226 | if (grpc_compression_options_is_algorithm_enabled(wrapper->wrapped, |
| 227 | internal_algorithm_value)) { |
| 228 | return Qtrue; |
| 229 | } |
| 230 | return Qfalse; |
| 231 | } |
| 232 | |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 233 | /* Sets the default algorithm to the name of the algorithm passed in. |
| 234 | * Raises an error if the name is not a valid compression algorithm name. */ |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 235 | void grpc_rb_compression_options_set_default_algorithm( |
| 236 | grpc_compression_options *options, VALUE algorithm_name) { |
| 237 | grpc_rb_compression_options_algorithm_name_to_value_internal( |
| 238 | &options->default_algorithm.algorithm, algorithm_name); |
| 239 | options->default_algorithm.is_set = 1; |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 240 | } |
| 241 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 242 | /* Disables an algorithm on the current instance, given the name of an |
| 243 | * algorithm. |
| 244 | * Fails if the algorithm name is invalid. */ |
| 245 | void grpc_rb_compression_options_disable_algorithm( |
| 246 | grpc_compression_options *compression_options, VALUE algorithm_name) { |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 247 | grpc_compression_algorithm internal_algorithm_value; |
| 248 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 249 | grpc_rb_compression_options_algorithm_name_to_value_internal( |
| 250 | &internal_algorithm_value, algorithm_name); |
| 251 | grpc_compression_options_disable_algorithm(compression_options, |
| 252 | internal_algorithm_value); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | /* Provides a ruby hash of GRPC core channel argument key-values that |
| 256 | * correspond to the compression settings on this instance. */ |
| 257 | VALUE grpc_rb_compression_options_to_hash(VALUE self) { |
| 258 | grpc_rb_compression_options *wrapper = NULL; |
| 259 | grpc_compression_options *compression_options = NULL; |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 260 | VALUE channel_arg_hash = rb_hash_new(); |
| 261 | VALUE key = Qnil; |
| 262 | VALUE value = Qnil; |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 263 | |
| 264 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 265 | &grpc_rb_compression_options_data_type, wrapper); |
| 266 | compression_options = wrapper->wrapped; |
| 267 | |
| 268 | /* Add key-value pairs to the new Ruby hash. It can be used |
| 269 | * as GRPC core channel arguments. */ |
| 270 | if (compression_options->default_level.is_set) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 271 | key = rb_str_new2(GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL); |
| 272 | value = INT2NUM((int)compression_options->default_level.level); |
| 273 | rb_hash_aset(channel_arg_hash, key, value); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | if (compression_options->default_algorithm.is_set) { |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 277 | key = rb_str_new2(GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM); |
| 278 | value = INT2NUM((int)compression_options->default_algorithm.algorithm); |
| 279 | rb_hash_aset(channel_arg_hash, key, value); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 280 | } |
| 281 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 282 | key = rb_str_new2(GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET); |
| 283 | value = INT2NUM((int)compression_options->enabled_algorithms_bitset); |
| 284 | rb_hash_aset(channel_arg_hash, key, value); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 285 | |
| 286 | return channel_arg_hash; |
| 287 | } |
| 288 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 289 | /* Converts an internal enum level value to a readable level name. |
| 290 | * Fails if the level value is invalid. */ |
| 291 | VALUE grpc_rb_compression_options_level_value_to_name_internal( |
| 292 | grpc_compression_level compression_value) { |
| 293 | switch (compression_value) { |
| 294 | case GRPC_COMPRESS_LEVEL_NONE: |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 295 | return ID2SYM(id_compress_level_none); |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 296 | case GRPC_COMPRESS_LEVEL_LOW: |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 297 | return ID2SYM(id_compress_level_low); |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 298 | case GRPC_COMPRESS_LEVEL_MED: |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 299 | return ID2SYM(id_compress_level_medium); |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 300 | case GRPC_COMPRESS_LEVEL_HIGH: |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 301 | return ID2SYM(id_compress_level_high); |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 302 | default: |
| 303 | rb_raise( |
| 304 | rb_eArgError, |
| 305 | "Failed to convert compression level value to name for value: %d", |
| 306 | (int)compression_value); |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | /* Wrapper of internal method that makes it available for use and testing. */ |
| 311 | VALUE grpc_rb_compression_options_level_value_to_name(VALUE self, |
| 312 | VALUE compression_value) { |
Alex Polcyn | b72cc3d | 2016-07-10 19:08:54 -0700 | [diff] [blame] | 313 | (void)self; |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 314 | Check_Type(compression_value, T_FIXNUM); |
| 315 | return grpc_rb_compression_options_level_value_to_name_internal( |
| 316 | (grpc_compression_level)NUM2INT(compression_value)); |
| 317 | } |
| 318 | |
| 319 | /* Converts an algorithm internal enum value to a readable name. |
| 320 | * Fails if the enum value is invalid. */ |
| 321 | VALUE grpc_rb_compression_options_algorithm_value_to_name_internal( |
| 322 | grpc_compression_algorithm internal_value) { |
| 323 | char *algorithm_name = NULL; |
| 324 | |
| 325 | if (!grpc_compression_algorithm_name(internal_value, &algorithm_name)) { |
| 326 | rb_raise(rb_eArgError, "Failed to convert algorithm value to name"); |
| 327 | } |
| 328 | |
| 329 | return ID2SYM(rb_intern(algorithm_name)); |
| 330 | } |
| 331 | |
| 332 | /* Wrapper of algorithm_to_name internal function available for ues and testing. |
| 333 | */ |
| 334 | VALUE grpc_rb_compression_options_algorithm_value_to_name( |
| 335 | VALUE self, VALUE algorithm_value) { |
Alex Polcyn | b72cc3d | 2016-07-10 19:08:54 -0700 | [diff] [blame] | 336 | grpc_compression_algorithm algorithm_internal_value = |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 337 | (grpc_compression_algorithm)NUM2INT(algorithm_value); |
Alex Polcyn | b72cc3d | 2016-07-10 19:08:54 -0700 | [diff] [blame] | 338 | (void)self; |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 339 | |
| 340 | return grpc_rb_compression_options_algorithm_value_to_name_internal( |
| 341 | algorithm_internal_value); |
| 342 | } |
| 343 | |
| 344 | /* Gets the internal value of the default compression level that is to be passed |
| 345 | * to the GRPC core as a channel argument value. |
| 346 | * A nil return value means that it hasn't been set. */ |
| 347 | VALUE grpc_rb_compression_options_get_default_algorithm_internal_value( |
| 348 | VALUE self) { |
| 349 | grpc_rb_compression_options *wrapper = NULL; |
| 350 | |
| 351 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 352 | &grpc_rb_compression_options_data_type, wrapper); |
| 353 | |
| 354 | if (wrapper->wrapped->default_algorithm.is_set) { |
| 355 | return INT2NUM(wrapper->wrapped->default_algorithm.algorithm); |
| 356 | } |
| 357 | return Qnil; |
| 358 | } |
| 359 | |
| 360 | /* Gets the readable name of the default algorithm if one has been set. |
| 361 | * Returns nil if no algorithm has been set. */ |
| 362 | VALUE grpc_rb_compression_options_get_default_algorithm(VALUE self) { |
| 363 | VALUE algorithm_value = |
| 364 | grpc_rb_compression_options_get_default_algorithm_internal_value(self); |
| 365 | |
| 366 | if (RTEST(algorithm_value)) { |
| 367 | return grpc_rb_compression_options_algorithm_value_to_name(self, |
| 368 | algorithm_value); |
| 369 | } |
| 370 | |
| 371 | return Qnil; |
| 372 | } |
| 373 | |
| 374 | /* Gets the internal enum value of the default algorithm if one has been set. |
| 375 | * Returns nil if no default algorithm has been set. */ |
| 376 | VALUE grpc_rb_compression_options_get_default_level_internal_value(VALUE self) { |
| 377 | grpc_rb_compression_options *wrapper = NULL; |
| 378 | |
| 379 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 380 | &grpc_rb_compression_options_data_type, wrapper); |
| 381 | |
| 382 | if (wrapper->wrapped->default_level.is_set) { |
| 383 | return INT2NUM((int)wrapper->wrapped->default_level.level); |
| 384 | } |
| 385 | return Qnil; |
| 386 | } |
| 387 | |
| 388 | /* Gets the internal value of the default compression level that is to be passed |
| 389 | * to the GRPC core as a channel argument value. |
| 390 | * A nil return value means that it hasn't been set. */ |
| 391 | VALUE grpc_rb_compression_options_get_default_level(VALUE self) { |
| 392 | grpc_compression_level internal_value; |
| 393 | VALUE ruby_value = |
| 394 | grpc_rb_compression_options_get_default_level_internal_value(self); |
| 395 | |
| 396 | if (RTEST(ruby_value)) { |
| 397 | internal_value = (grpc_compression_level)NUM2INT(ruby_value); |
| 398 | return grpc_rb_compression_options_level_value_to_name_internal( |
| 399 | internal_value); |
| 400 | } |
| 401 | |
| 402 | return Qnil; |
| 403 | } |
| 404 | |
| 405 | /* Gets a list of the disabled algorithms as readable names. |
| 406 | * Returns an empty list of no algorithms have been disabled. */ |
| 407 | VALUE grpc_rb_compression_options_get_disabled_algorithms(VALUE self) { |
| 408 | VALUE disabled_algorithms = rb_ary_new(); |
| 409 | grpc_compression_algorithm internal_value; |
| 410 | grpc_rb_compression_options *wrapper = NULL; |
| 411 | |
| 412 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 413 | &grpc_rb_compression_options_data_type, wrapper); |
| 414 | |
| 415 | for (internal_value = GRPC_COMPRESS_NONE; |
| 416 | internal_value < GRPC_COMPRESS_ALGORITHMS_COUNT; internal_value++) { |
| 417 | if (!grpc_compression_options_is_algorithm_enabled(wrapper->wrapped, |
| 418 | internal_value)) { |
| 419 | rb_ary_push(disabled_algorithms, |
| 420 | grpc_rb_compression_options_algorithm_value_to_name_internal( |
| 421 | internal_value)); |
| 422 | } |
| 423 | } |
| 424 | return disabled_algorithms; |
| 425 | } |
| 426 | |
| 427 | /* Provides a bitset as a ruby number that is suitable to pass to |
| 428 | * the GRPC core as a channel argument to enable compression algorithms. */ |
| 429 | VALUE grpc_rb_compression_options_get_enabled_algorithms_bitset(VALUE self) { |
| 430 | grpc_rb_compression_options *wrapper = NULL; |
| 431 | |
| 432 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 433 | &grpc_rb_compression_options_data_type, wrapper); |
| 434 | return INT2NUM((int)wrapper->wrapped->enabled_algorithms_bitset); |
| 435 | } |
| 436 | |
| 437 | /* Initializes the compression options wrapper. |
| 438 | * Takes an optional hash parameter. |
| 439 | * |
| 440 | * Example call-seq: |
| 441 | * options = CompressionOptions.new( |
| 442 | * default_level: :none, |
| 443 | * disabled_algorithms: [:gzip] |
| 444 | * ) |
| 445 | * channel_arg hash = Hash.new[...] |
| 446 | * channel_arg_hash_with_compression_options = channel_arg_hash.merge(options) |
| 447 | */ |
| 448 | VALUE grpc_rb_compression_options_init(int argc, VALUE *argv, VALUE self) { |
| 449 | grpc_rb_compression_options *wrapper = NULL; |
| 450 | VALUE default_algorithm = Qnil; |
| 451 | VALUE default_level = Qnil; |
| 452 | VALUE disabled_algorithms = Qnil; |
| 453 | VALUE algorithm_name = Qnil; |
| 454 | VALUE hash_arg = Qnil; |
| 455 | |
| 456 | rb_scan_args(argc, argv, "01", &hash_arg); |
| 457 | |
| 458 | /* Check if the hash parameter was passed, or if invalid arguments were |
| 459 | * passed. */ |
| 460 | if (hash_arg == Qnil) { |
| 461 | return self; |
| 462 | } else if (TYPE(hash_arg) != T_HASH || argc > 1) { |
| 463 | rb_raise(rb_eArgError, |
| 464 | "Invalid arguments. Expecting optional hash parameter"); |
| 465 | } |
| 466 | |
| 467 | TypedData_Get_Struct(self, grpc_rb_compression_options, |
| 468 | &grpc_rb_compression_options_data_type, wrapper); |
| 469 | |
| 470 | /* Set the default algorithm if one was chosen. */ |
| 471 | default_algorithm = |
| 472 | rb_hash_aref(hash_arg, ID2SYM(rb_intern("default_algorithm"))); |
| 473 | if (default_algorithm != Qnil) { |
| 474 | grpc_rb_compression_options_set_default_algorithm(wrapper->wrapped, |
| 475 | default_algorithm); |
| 476 | } |
| 477 | |
| 478 | /* Set the default level if one was chosen. */ |
| 479 | default_level = rb_hash_aref(hash_arg, ID2SYM(rb_intern("default_level"))); |
| 480 | if (default_level != Qnil) { |
| 481 | grpc_rb_compression_options_set_default_level(wrapper->wrapped, |
| 482 | default_level); |
| 483 | } |
| 484 | |
| 485 | /* Set the disabled algorithms if any were chosen. */ |
| 486 | disabled_algorithms = |
| 487 | rb_hash_aref(hash_arg, ID2SYM(rb_intern("disabled_algorithms"))); |
| 488 | if (disabled_algorithms != Qnil) { |
| 489 | Check_Type(disabled_algorithms, T_ARRAY); |
| 490 | |
| 491 | for (int i = 0; i < RARRAY_LEN(disabled_algorithms); i++) { |
| 492 | algorithm_name = rb_ary_entry(disabled_algorithms, i); |
| 493 | grpc_rb_compression_options_disable_algorithm(wrapper->wrapped, |
| 494 | algorithm_name); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | return self; |
| 499 | } |
| 500 | |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 501 | void Init_grpc_compression_options() { |
| 502 | grpc_rb_cCompressionOptions = rb_define_class_under( |
| 503 | grpc_rb_mGrpcCore, "CompressionOptions", rb_cObject); |
| 504 | |
| 505 | /* Allocates an object managed by the ruby runtime. */ |
| 506 | rb_define_alloc_func(grpc_rb_cCompressionOptions, |
| 507 | grpc_rb_compression_options_alloc); |
| 508 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 509 | /* Initializes the ruby wrapper. #new method takes an optional hash argument. |
| 510 | */ |
| 511 | rb_define_method(grpc_rb_cCompressionOptions, "initialize", |
| 512 | grpc_rb_compression_options_init, -1); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 513 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 514 | /* Gets the bitset of enabled algorithms. */ |
| 515 | rb_define_method(grpc_rb_cCompressionOptions, "enabled_algorithms_bitset", |
| 516 | grpc_rb_compression_options_get_enabled_algorithms_bitset, |
| 517 | 0); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 518 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 519 | /* Methods for getting the default algorithm, default level, and disabled |
| 520 | * algorithms as readable names. */ |
| 521 | rb_define_method(grpc_rb_cCompressionOptions, "default_algorithm", |
| 522 | grpc_rb_compression_options_get_default_algorithm, 0); |
| 523 | rb_define_method(grpc_rb_cCompressionOptions, "default_level", |
| 524 | grpc_rb_compression_options_get_default_level, 0); |
| 525 | rb_define_method(grpc_rb_cCompressionOptions, "disabled_algorithms", |
| 526 | grpc_rb_compression_options_get_disabled_algorithms, 0); |
| 527 | |
| 528 | /* Methods for getting the internal enum default algorithm and level enum |
| 529 | * values of an instance. */ |
| 530 | rb_define_method( |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 531 | grpc_rb_cCompressionOptions, "default_algorithm_internal_value", |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 532 | grpc_rb_compression_options_get_default_algorithm_internal_value, 0); |
| 533 | rb_define_method(grpc_rb_cCompressionOptions, "default_level_internal_value", |
| 534 | grpc_rb_compression_options_get_default_level_internal_value, |
| 535 | 0); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 536 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 537 | /* Determines whether or not an algorithm is enabled, given a readable |
| 538 | * algorithm name.*/ |
| 539 | rb_define_method(grpc_rb_cCompressionOptions, "is_algorithm_enabled", |
| 540 | grpc_rb_compression_options_is_algorithm_enabled, 1); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 541 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 542 | /* Methods for converting to and from algorithm enum values and their readable |
| 543 | * names. */ |
| 544 | rb_define_singleton_method( |
| 545 | grpc_rb_cCompressionOptions, "algorithm_name_to_value", |
| 546 | grpc_rb_compression_options_algorithm_name_to_value, 1); |
| 547 | rb_define_singleton_method( |
| 548 | grpc_rb_cCompressionOptions, "algorithm_value_to_name", |
| 549 | grpc_rb_compression_options_algorithm_value_to_name, 1); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 550 | |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 551 | /* Methods for converting to and from compression level enum values and their |
| 552 | * readable names. */ |
| 553 | rb_define_singleton_method(grpc_rb_cCompressionOptions, "level_name_to_value", |
| 554 | grpc_rb_compression_options_level_name_to_value, |
| 555 | 1); |
| 556 | rb_define_singleton_method(grpc_rb_cCompressionOptions, "level_value_to_name", |
| 557 | grpc_rb_compression_options_level_value_to_name, |
| 558 | 1); |
| 559 | |
| 560 | /* Provides a hash of the compression settings suitable |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 561 | * for passing to server or channel args. */ |
| 562 | rb_define_method(grpc_rb_cCompressionOptions, "to_hash", |
| 563 | grpc_rb_compression_options_to_hash, 0); |
Alexander Polcyn | d788b45 | 2016-07-06 13:58:09 -0700 | [diff] [blame] | 564 | rb_define_alias(grpc_rb_cCompressionOptions, "to_channel_arg_hash", |
| 565 | "to_hash"); |
| 566 | |
Alexander Polcyn | 6c4709e | 2016-07-11 13:14:07 -0700 | [diff] [blame^] | 567 | /* Ruby ids for the names of the different compression levels. */ |
| 568 | id_compress_level_none = rb_intern("none"); |
| 569 | id_compress_level_low = rb_intern("low"); |
| 570 | id_compress_level_medium = rb_intern("medium"); |
| 571 | id_compress_level_high = rb_intern("high"); |
Alexander Polcyn | 0dccf10 | 2016-06-27 13:11:07 -0700 | [diff] [blame] | 572 | } |