Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "Collation.h" |
Yangster-mac | ba5b9e4 | 2018-01-10 21:31:59 -0800 | [diff] [blame] | 18 | #include "frameworks/base/cmds/statsd/src/atoms.pb.h" |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <map> |
| 22 | |
| 23 | namespace android { |
| 24 | namespace stats_log_api_gen { |
| 25 | |
Stefan Lafon | 9478f35 | 2017-10-30 21:20:20 -0700 | [diff] [blame] | 26 | using google::protobuf::EnumDescriptor; |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 27 | using google::protobuf::FieldDescriptor; |
| 28 | using google::protobuf::FileDescriptor; |
| 29 | using google::protobuf::SourceLocation; |
| 30 | using std::map; |
| 31 | |
| 32 | |
| 33 | // |
| 34 | // AtomDecl class |
| 35 | // |
| 36 | |
| 37 | AtomDecl::AtomDecl() |
| 38 | :code(0), |
| 39 | name() |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | AtomDecl::AtomDecl(const AtomDecl& that) |
| 44 | :code(that.code), |
| 45 | name(that.name), |
| 46 | message(that.message), |
| 47 | fields(that.fields) |
| 48 | { |
| 49 | } |
| 50 | |
| 51 | AtomDecl::AtomDecl(int c, const string& n, const string& m) |
| 52 | :code(c), |
| 53 | name(n), |
| 54 | message(m) |
| 55 | { |
| 56 | } |
| 57 | |
| 58 | AtomDecl::~AtomDecl() |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | |
| 63 | /** |
| 64 | * Print an error message for a FieldDescriptor, including the file name and line number. |
| 65 | */ |
| 66 | static void |
| 67 | print_error(const FieldDescriptor* field, const char* format, ...) |
| 68 | { |
| 69 | const Descriptor* message = field->containing_type(); |
| 70 | const FileDescriptor* file = message->file(); |
| 71 | |
| 72 | SourceLocation loc; |
| 73 | if (field->GetSourceLocation(&loc)) { |
| 74 | // TODO: this will work if we can figure out how to pass --include_source_info to protoc |
| 75 | fprintf(stderr, "%s:%d: ", file->name().c_str(), loc.start_line); |
| 76 | } else { |
| 77 | fprintf(stderr, "%s: ", file->name().c_str()); |
| 78 | } |
| 79 | va_list args; |
| 80 | va_start(args, format); |
| 81 | vfprintf(stderr, format, args); |
| 82 | va_end (args); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Convert a protobuf type into a java type. |
| 87 | */ |
| 88 | static java_type_t |
| 89 | java_type(const FieldDescriptor* field) |
| 90 | { |
| 91 | int protoType = field->type(); |
| 92 | switch (protoType) { |
| 93 | case FieldDescriptor::TYPE_DOUBLE: |
| 94 | return JAVA_TYPE_DOUBLE; |
| 95 | case FieldDescriptor::TYPE_FLOAT: |
| 96 | return JAVA_TYPE_FLOAT; |
| 97 | case FieldDescriptor::TYPE_INT64: |
| 98 | return JAVA_TYPE_LONG; |
| 99 | case FieldDescriptor::TYPE_UINT64: |
| 100 | return JAVA_TYPE_LONG; |
| 101 | case FieldDescriptor::TYPE_INT32: |
| 102 | return JAVA_TYPE_INT; |
| 103 | case FieldDescriptor::TYPE_FIXED64: |
| 104 | return JAVA_TYPE_LONG; |
| 105 | case FieldDescriptor::TYPE_FIXED32: |
| 106 | return JAVA_TYPE_INT; |
| 107 | case FieldDescriptor::TYPE_BOOL: |
| 108 | return JAVA_TYPE_BOOLEAN; |
| 109 | case FieldDescriptor::TYPE_STRING: |
| 110 | return JAVA_TYPE_STRING; |
| 111 | case FieldDescriptor::TYPE_GROUP: |
| 112 | return JAVA_TYPE_UNKNOWN; |
| 113 | case FieldDescriptor::TYPE_MESSAGE: |
| 114 | // TODO: not the final package name |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 115 | if (field->message_type()->full_name() == |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 116 | "android.os.statsd.AttributionNode") { |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 117 | return JAVA_TYPE_ATTRIBUTION_CHAIN; |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 118 | } else { |
| 119 | return JAVA_TYPE_OBJECT; |
| 120 | } |
| 121 | case FieldDescriptor::TYPE_BYTES: |
| 122 | return JAVA_TYPE_BYTE_ARRAY; |
| 123 | case FieldDescriptor::TYPE_UINT32: |
| 124 | return JAVA_TYPE_INT; |
| 125 | case FieldDescriptor::TYPE_ENUM: |
Stefan Lafon | 9478f35 | 2017-10-30 21:20:20 -0700 | [diff] [blame] | 126 | return JAVA_TYPE_ENUM; |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 127 | case FieldDescriptor::TYPE_SFIXED32: |
| 128 | return JAVA_TYPE_INT; |
| 129 | case FieldDescriptor::TYPE_SFIXED64: |
| 130 | return JAVA_TYPE_LONG; |
| 131 | case FieldDescriptor::TYPE_SINT32: |
| 132 | return JAVA_TYPE_INT; |
| 133 | case FieldDescriptor::TYPE_SINT64: |
| 134 | return JAVA_TYPE_LONG; |
| 135 | default: |
| 136 | return JAVA_TYPE_UNKNOWN; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | /** |
Yangster-mac | ba5b9e4 | 2018-01-10 21:31:59 -0800 | [diff] [blame] | 141 | * Gather the enums info. |
| 142 | */ |
| 143 | void collate_enums(const EnumDescriptor &enumDescriptor, AtomField *atomField) { |
| 144 | for (int i = 0; i < enumDescriptor.value_count(); i++) { |
| 145 | atomField->enumValues[enumDescriptor.value(i)->number()] = |
| 146 | enumDescriptor.value(i)->name().c_str(); |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | /** |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 151 | * Gather the info about an atom proto. |
| 152 | */ |
| 153 | int collate_atom(const Descriptor *atom, AtomDecl *atomDecl, |
| 154 | vector<java_type_t> *signature) { |
| 155 | |
| 156 | int errorCount = 0; |
| 157 | // Build a sorted list of the fields. Descriptor has them in source file |
| 158 | // order. |
| 159 | map<int, const FieldDescriptor *> fields; |
| 160 | for (int j = 0; j < atom->field_count(); j++) { |
| 161 | const FieldDescriptor *field = atom->field(j); |
| 162 | fields[field->number()] = field; |
| 163 | } |
| 164 | |
| 165 | // Check that the parameters start at 1 and go up sequentially. |
| 166 | int expectedNumber = 1; |
| 167 | for (map<int, const FieldDescriptor *>::const_iterator it = fields.begin(); |
| 168 | it != fields.end(); it++) { |
| 169 | const int number = it->first; |
| 170 | const FieldDescriptor *field = it->second; |
| 171 | if (number != expectedNumber) { |
| 172 | print_error(field, |
| 173 | "Fields must be numbered consecutively starting at 1:" |
| 174 | " '%s' is %d but should be %d\n", |
| 175 | field->name().c_str(), number, expectedNumber); |
| 176 | errorCount++; |
| 177 | expectedNumber = number; |
| 178 | continue; |
| 179 | } |
| 180 | expectedNumber++; |
| 181 | } |
| 182 | |
| 183 | // Check that only allowed types are present. Remove any invalid ones. |
| 184 | for (map<int, const FieldDescriptor *>::const_iterator it = fields.begin(); |
| 185 | it != fields.end(); it++) { |
| 186 | const FieldDescriptor *field = it->second; |
| 187 | |
| 188 | java_type_t javaType = java_type(field); |
| 189 | |
| 190 | if (javaType == JAVA_TYPE_UNKNOWN) { |
| 191 | print_error(field, "Unkown type for field: %s\n", field->name().c_str()); |
| 192 | errorCount++; |
| 193 | continue; |
| 194 | } else if (javaType == JAVA_TYPE_OBJECT) { |
| 195 | // Allow attribution chain, but only at position 1. |
| 196 | print_error(field, "Message type not allowed for field: %s\n", |
| 197 | field->name().c_str()); |
| 198 | errorCount++; |
| 199 | continue; |
| 200 | } else if (javaType == JAVA_TYPE_BYTE_ARRAY) { |
| 201 | print_error(field, "Raw bytes type not allowed for field: %s\n", |
| 202 | field->name().c_str()); |
| 203 | errorCount++; |
| 204 | continue; |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | // Check that if there's an attribution chain, it's at position 1. |
| 209 | for (map<int, const FieldDescriptor *>::const_iterator it = fields.begin(); |
| 210 | it != fields.end(); it++) { |
| 211 | int number = it->first; |
| 212 | if (number != 1) { |
| 213 | const FieldDescriptor *field = it->second; |
| 214 | java_type_t javaType = java_type(field); |
| 215 | if (javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) { |
| 216 | print_error( |
| 217 | field, |
| 218 | "AttributionChain fields must have field id 1, in message: '%s'\n", |
| 219 | atom->name().c_str()); |
| 220 | errorCount++; |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | // Build the type signature and the atom data. |
| 226 | for (map<int, const FieldDescriptor *>::const_iterator it = fields.begin(); |
| 227 | it != fields.end(); it++) { |
| 228 | const FieldDescriptor *field = it->second; |
| 229 | java_type_t javaType = java_type(field); |
| 230 | |
| 231 | AtomField atField(field->name(), javaType); |
| 232 | if (javaType == JAVA_TYPE_ENUM) { |
| 233 | // All enums are treated as ints when it comes to function signatures. |
| 234 | signature->push_back(JAVA_TYPE_INT); |
Yangster-mac | ba5b9e4 | 2018-01-10 21:31:59 -0800 | [diff] [blame] | 235 | collate_enums(*field->enum_type(), &atField); |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 236 | } else { |
| 237 | signature->push_back(javaType); |
| 238 | } |
| 239 | atomDecl->fields.push_back(atField); |
| 240 | } |
| 241 | |
| 242 | return errorCount; |
| 243 | } |
| 244 | |
Yangster-mac | ba5b9e4 | 2018-01-10 21:31:59 -0800 | [diff] [blame] | 245 | // This function flattens the fields of the AttributionNode proto in an Atom proto and generates |
| 246 | // the corresponding atom decl and signature. |
| 247 | bool get_non_chained_node(const Descriptor *atom, AtomDecl *atomDecl, |
| 248 | vector<java_type_t> *signature) { |
| 249 | // Build a sorted list of the fields. Descriptor has them in source file |
| 250 | // order. |
| 251 | map<int, const FieldDescriptor *> fields; |
| 252 | for (int j = 0; j < atom->field_count(); j++) { |
| 253 | const FieldDescriptor *field = atom->field(j); |
| 254 | fields[field->number()] = field; |
| 255 | } |
| 256 | |
| 257 | AtomDecl attributionDecl; |
| 258 | vector<java_type_t> attributionSignature; |
| 259 | collate_atom(android::os::statsd::AttributionNode::descriptor(), |
| 260 | &attributionDecl, &attributionSignature); |
| 261 | |
| 262 | // Build the type signature and the atom data. |
| 263 | bool has_attribution_node = false; |
| 264 | for (map<int, const FieldDescriptor *>::const_iterator it = fields.begin(); |
| 265 | it != fields.end(); it++) { |
| 266 | const FieldDescriptor *field = it->second; |
| 267 | java_type_t javaType = java_type(field); |
| 268 | if (javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) { |
| 269 | atomDecl->fields.insert( |
| 270 | atomDecl->fields.end(), |
| 271 | attributionDecl.fields.begin(), attributionDecl.fields.end()); |
| 272 | signature->insert( |
| 273 | signature->end(), |
| 274 | attributionSignature.begin(), attributionSignature.end()); |
| 275 | has_attribution_node = true; |
| 276 | |
| 277 | } else { |
| 278 | AtomField atField(field->name(), javaType); |
| 279 | if (javaType == JAVA_TYPE_ENUM) { |
| 280 | // All enums are treated as ints when it comes to function signatures. |
| 281 | signature->push_back(JAVA_TYPE_INT); |
| 282 | collate_enums(*field->enum_type(), &atField); |
| 283 | } else { |
| 284 | signature->push_back(javaType); |
| 285 | } |
| 286 | atomDecl->fields.push_back(atField); |
| 287 | } |
| 288 | } |
| 289 | return has_attribution_node; |
| 290 | } |
| 291 | |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 292 | /** |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 293 | * Gather the info about the atoms. |
| 294 | */ |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 295 | int collate_atoms(const Descriptor *descriptor, Atoms *atoms) { |
| 296 | int errorCount = 0; |
| 297 | const bool dbg = false; |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 298 | |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 299 | for (int i = 0; i < descriptor->field_count(); i++) { |
| 300 | const FieldDescriptor *atomField = descriptor->field(i); |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 301 | |
| 302 | if (dbg) { |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 303 | printf(" %s (%d)\n", atomField->name().c_str(), atomField->number()); |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 304 | } |
| 305 | |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 306 | // StatsEvent only has one oneof, which contains only messages. Don't allow |
| 307 | // other types. |
| 308 | if (atomField->type() != FieldDescriptor::TYPE_MESSAGE) { |
| 309 | print_error(atomField, |
| 310 | "Bad type for atom. StatsEvent can only have message type " |
| 311 | "fields: %s\n", |
| 312 | atomField->name().c_str()); |
| 313 | errorCount++; |
| 314 | continue; |
| 315 | } |
| 316 | |
| 317 | const Descriptor *atom = atomField->message_type(); |
| 318 | AtomDecl atomDecl(atomField->number(), atomField->name(), atom->name()); |
| 319 | vector<java_type_t> signature; |
| 320 | errorCount += collate_atom(atom, &atomDecl, &signature); |
| 321 | atoms->signatures.insert(signature); |
| 322 | atoms->decls.insert(atomDecl); |
Yangster-mac | ba5b9e4 | 2018-01-10 21:31:59 -0800 | [diff] [blame] | 323 | |
| 324 | AtomDecl nonChainedAtomDecl(atomField->number(), atomField->name(), atom->name()); |
| 325 | vector<java_type_t> nonChainedSignature; |
| 326 | if (get_non_chained_node(atom, &nonChainedAtomDecl, &nonChainedSignature)) { |
| 327 | atoms->non_chained_signatures.insert(nonChainedSignature); |
| 328 | atoms->non_chained_decls.insert(nonChainedAtomDecl); |
| 329 | } |
Yangster-mac | 7604aea | 2017-12-11 22:55:49 -0800 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | if (dbg) { |
| 333 | printf("signatures = [\n"); |
| 334 | for (set<vector<java_type_t>>::const_iterator it = |
| 335 | atoms->signatures.begin(); |
| 336 | it != atoms->signatures.end(); it++) { |
| 337 | printf(" "); |
| 338 | for (vector<java_type_t>::const_iterator jt = it->begin(); |
| 339 | jt != it->end(); jt++) { |
| 340 | printf(" %d", (int)*jt); |
| 341 | } |
| 342 | printf("\n"); |
| 343 | } |
| 344 | printf("]\n"); |
| 345 | } |
| 346 | |
| 347 | return errorCount; |
Yao Chen | d54f9dd | 2017-10-17 17:37:48 +0000 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | } // namespace stats_log_api_gen |
| 351 | } // namespace android |