Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [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 | |
Tej Singh | 484524a | 2018-02-01 15:10:05 -0800 | [diff] [blame] | 17 | #define DEBUG false // STOPSHIP if true |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 18 | #include "logd/LogEvent.h" |
| 19 | |
| 20 | #include <sstream> |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 21 | |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 22 | #include "stats_log_util.h" |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 23 | |
| 24 | namespace android { |
| 25 | namespace os { |
| 26 | namespace statsd { |
| 27 | |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 28 | using namespace android::util; |
Yao Chen | 9c1debe | 2018-02-19 14:39:19 -0800 | [diff] [blame^] | 29 | using android::util::ProtoOutputStream; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 30 | using std::ostringstream; |
David Chen | 1481fe1 | 2017-10-16 13:16:34 -0700 | [diff] [blame] | 31 | using std::string; |
Yao Chen | 9c1debe | 2018-02-19 14:39:19 -0800 | [diff] [blame^] | 32 | using std::vector; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 33 | |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 34 | LogEvent::LogEvent(log_msg& msg) { |
Chenjie Yu | 3ca3683 | 2018-01-22 15:10:54 -0800 | [diff] [blame] | 35 | mContext = |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 36 | create_android_log_parser(msg.msg() + sizeof(uint32_t), msg.len() - sizeof(uint32_t)); |
Yangster-mac | 330af58 | 2018-02-08 15:24:38 -0800 | [diff] [blame] | 37 | mLogdTimestampNs = msg.entry_v1.sec * NS_PER_SEC + msg.entry_v1.nsec; |
Yao Chen | d10f7b1 | 2017-12-18 12:53:50 -0800 | [diff] [blame] | 38 | mLogUid = msg.entry_v4.uid; |
Chenjie Yu | 3ca3683 | 2018-01-22 15:10:54 -0800 | [diff] [blame] | 39 | init(mContext); |
| 40 | if (mContext) { |
Yao Chen | 48d7518 | 2018-01-23 09:40:48 -0800 | [diff] [blame] | 41 | // android_log_destroy will set mContext to NULL |
Chenjie Yu | 3ca3683 | 2018-01-22 15:10:54 -0800 | [diff] [blame] | 42 | android_log_destroy(&mContext); |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 43 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 44 | } |
| 45 | |
Yangster-mac | 330af58 | 2018-02-08 15:24:38 -0800 | [diff] [blame] | 46 | LogEvent::LogEvent(int32_t tagId, int64_t wallClockTimestampNs, int64_t elapsedTimestampNs) { |
| 47 | mLogdTimestampNs = wallClockTimestampNs; |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 48 | mTagId = tagId; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 49 | mLogUid = 0; |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 50 | mContext = create_android_logger(1937006964); // the event tag shared by all stats logs |
| 51 | if (mContext) { |
Yangster-mac | 330af58 | 2018-02-08 15:24:38 -0800 | [diff] [blame] | 52 | android_log_write_int64(mContext, elapsedTimestampNs); |
| 53 | android_log_write_int32(mContext, tagId); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | LogEvent::LogEvent(int32_t tagId, int64_t timestampNs) { |
| 58 | mLogdTimestampNs = timestampNs; |
| 59 | mTagId = tagId; |
| 60 | mLogUid = 0; |
| 61 | mContext = create_android_logger(1937006964); // the event tag shared by all stats logs |
| 62 | if (mContext) { |
| 63 | android_log_write_int64(mContext, timestampNs); |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 64 | android_log_write_int32(mContext, tagId); |
| 65 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 66 | } |
| 67 | |
David Chen | 1481fe1 | 2017-10-16 13:16:34 -0700 | [diff] [blame] | 68 | void LogEvent::init() { |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 69 | if (mContext) { |
| 70 | const char* buffer; |
| 71 | size_t len = android_log_write_list_buffer(mContext, &buffer); |
| 72 | // turns to reader mode |
Chenjie Yu | c1fe6f4 | 2018-02-01 23:14:18 -0800 | [diff] [blame] | 73 | android_log_context contextForRead = create_android_log_parser(buffer, len); |
| 74 | if (contextForRead) { |
| 75 | init(contextForRead); |
| 76 | // destroy the context to save memory. |
Yao Chen | 48d7518 | 2018-01-23 09:40:48 -0800 | [diff] [blame] | 77 | // android_log_destroy will set mContext to NULL |
Chenjie Yu | c1fe6f4 | 2018-02-01 23:14:18 -0800 | [diff] [blame] | 78 | android_log_destroy(&contextForRead); |
Yao Chen | 48d7518 | 2018-01-23 09:40:48 -0800 | [diff] [blame] | 79 | } |
Chenjie Yu | c1fe6f4 | 2018-02-01 23:14:18 -0800 | [diff] [blame] | 80 | android_log_destroy(&mContext); |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 81 | } |
| 82 | } |
| 83 | |
| 84 | LogEvent::~LogEvent() { |
| 85 | if (mContext) { |
Yao Chen | 48d7518 | 2018-01-23 09:40:48 -0800 | [diff] [blame] | 86 | // This is for the case when LogEvent is created using the test interface |
| 87 | // but init() isn't called. |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 88 | android_log_destroy(&mContext); |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 89 | } |
| 90 | } |
| 91 | |
| 92 | bool LogEvent::write(int32_t value) { |
| 93 | if (mContext) { |
| 94 | return android_log_write_int32(mContext, value) >= 0; |
| 95 | } |
| 96 | return false; |
| 97 | } |
| 98 | |
| 99 | bool LogEvent::write(uint32_t value) { |
| 100 | if (mContext) { |
| 101 | return android_log_write_int32(mContext, value) >= 0; |
| 102 | } |
| 103 | return false; |
| 104 | } |
| 105 | |
Chenjie Yu | d9dfda7 | 2017-12-11 17:41:20 -0800 | [diff] [blame] | 106 | bool LogEvent::write(int64_t value) { |
| 107 | if (mContext) { |
| 108 | return android_log_write_int64(mContext, value) >= 0; |
| 109 | } |
| 110 | return false; |
| 111 | } |
| 112 | |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 113 | bool LogEvent::write(uint64_t value) { |
| 114 | if (mContext) { |
| 115 | return android_log_write_int64(mContext, value) >= 0; |
| 116 | } |
| 117 | return false; |
| 118 | } |
| 119 | |
| 120 | bool LogEvent::write(const string& value) { |
| 121 | if (mContext) { |
| 122 | return android_log_write_string8_len(mContext, value.c_str(), value.length()) >= 0; |
| 123 | } |
| 124 | return false; |
| 125 | } |
| 126 | |
| 127 | bool LogEvent::write(float value) { |
| 128 | if (mContext) { |
| 129 | return android_log_write_float32(mContext, value) >= 0; |
| 130 | } |
| 131 | return false; |
| 132 | } |
| 133 | |
Yao Chen | 9c1debe | 2018-02-19 14:39:19 -0800 | [diff] [blame^] | 134 | bool LogEvent::write(const std::vector<AttributionNodeInternal>& nodes) { |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 135 | if (mContext) { |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 136 | if (android_log_write_list_begin(mContext) < 0) { |
| 137 | return false; |
| 138 | } |
| 139 | for (size_t i = 0; i < nodes.size(); ++i) { |
| 140 | if (!write(nodes[i])) { |
| 141 | return false; |
| 142 | } |
| 143 | } |
| 144 | if (android_log_write_list_end(mContext) < 0) { |
| 145 | return false; |
| 146 | } |
| 147 | return true; |
| 148 | } |
| 149 | return false; |
| 150 | } |
| 151 | |
Yao Chen | 9c1debe | 2018-02-19 14:39:19 -0800 | [diff] [blame^] | 152 | bool LogEvent::write(const AttributionNodeInternal& node) { |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 153 | if (mContext) { |
| 154 | if (android_log_write_list_begin(mContext) < 0) { |
| 155 | return false; |
| 156 | } |
| 157 | if (android_log_write_int32(mContext, node.uid()) < 0) { |
| 158 | return false; |
| 159 | } |
| 160 | if (android_log_write_string8(mContext, node.tag().c_str()) < 0) { |
| 161 | return false; |
| 162 | } |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 163 | if (android_log_write_list_end(mContext) < 0) { |
| 164 | return false; |
| 165 | } |
| 166 | return true; |
| 167 | } |
| 168 | return false; |
| 169 | } |
| 170 | |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 171 | /** |
| 172 | * The elements of each log event are stored as a vector of android_log_list_elements. |
| 173 | * The goal is to do as little preprocessing as possible, because we read a tiny fraction |
| 174 | * of the elements that are written to the log. |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 175 | * |
| 176 | * The idea here is to read through the log items once, we get as much information we need for |
| 177 | * matching as possible. Because this log will be matched against lots of matchers. |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 178 | */ |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 179 | void LogEvent::init(android_log_context context) { |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 180 | android_log_list_element elem; |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 181 | int i = 0; |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 182 | int depth = -1; |
| 183 | int pos[] = {1, 1, 1}; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 184 | do { |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 185 | elem = android_log_read_next(context); |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 186 | switch ((int)elem.type) { |
| 187 | case EVENT_TYPE_INT: |
Yangster-mac | 330af58 | 2018-02-08 15:24:38 -0800 | [diff] [blame] | 188 | // elem at [0] is EVENT_TYPE_LIST, [1] is the timestamp, [2] is tag id. |
| 189 | if (i == 2) { |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 190 | mTagId = elem.data.int32; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 191 | } else { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 192 | if (depth < 0 || depth > 2) { |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 193 | return; |
| 194 | } |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 195 | |
| 196 | mValues.push_back( |
| 197 | FieldValue(Field(mTagId, pos, depth), Value((int32_t)elem.data.int32))); |
| 198 | |
| 199 | pos[depth]++; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 200 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 201 | break; |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 202 | case EVENT_TYPE_FLOAT: { |
| 203 | if (depth < 0 || depth > 2) { |
| 204 | ALOGE("Depth > 2. Not supported!"); |
| 205 | return; |
| 206 | } |
| 207 | |
| 208 | mValues.push_back(FieldValue(Field(mTagId, pos, depth), Value(elem.data.float32))); |
| 209 | |
| 210 | pos[depth]++; |
| 211 | |
| 212 | } break; |
| 213 | case EVENT_TYPE_STRING: { |
| 214 | if (depth < 0 || depth > 2) { |
| 215 | ALOGE("Depth > 2. Not supported!"); |
| 216 | return; |
| 217 | } |
| 218 | |
| 219 | mValues.push_back(FieldValue(Field(mTagId, pos, depth), |
| 220 | Value(string(elem.data.string, elem.len)))); |
| 221 | |
| 222 | pos[depth]++; |
| 223 | |
| 224 | } break; |
| 225 | case EVENT_TYPE_LONG: { |
Yangster-mac | 330af58 | 2018-02-08 15:24:38 -0800 | [diff] [blame] | 226 | if (i == 1) { |
| 227 | mElapsedTimestampNs = elem.data.int64; |
| 228 | } else { |
| 229 | if (depth < 0 || depth > 2) { |
| 230 | ALOGE("Depth > 2. Not supported!"); |
| 231 | return; |
| 232 | } |
| 233 | mValues.push_back( |
| 234 | FieldValue(Field(mTagId, pos, depth), Value((int64_t)elem.data.int64))); |
| 235 | |
| 236 | pos[depth]++; |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 237 | } |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 238 | } break; |
| 239 | case EVENT_TYPE_LIST: |
| 240 | depth++; |
| 241 | if (depth > 2) { |
| 242 | ALOGE("Depth > 2. Not supported!"); |
| 243 | return; |
| 244 | } |
| 245 | pos[depth] = 1; |
| 246 | |
| 247 | break; |
| 248 | case EVENT_TYPE_LIST_STOP: { |
| 249 | int prevDepth = depth; |
| 250 | depth--; |
| 251 | if (depth >= 0 && depth < 2) { |
| 252 | // Now go back to decorate the previous items that are last at prevDepth. |
| 253 | // So that we can later easily match them with Position=Last matchers. |
| 254 | pos[prevDepth]--; |
| 255 | int path = getEncodedField(pos, prevDepth, false); |
Yao Chen | db43afc | 2018-02-13 09:37:27 -0800 | [diff] [blame] | 256 | for (auto it = mValues.rbegin(); it != mValues.rend(); ++it) { |
| 257 | if (it->mField.getDepth() >= prevDepth && |
| 258 | it->mField.getPath(prevDepth) == path) { |
| 259 | it->mField.decorateLastPos(prevDepth); |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 260 | } else { |
| 261 | // Safe to break, because the items are in DFS order. |
| 262 | break; |
| 263 | } |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 264 | } |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 265 | pos[depth]++; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 266 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 267 | break; |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 268 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 269 | case EVENT_TYPE_UNKNOWN: |
| 270 | break; |
| 271 | default: |
| 272 | break; |
| 273 | } |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 274 | i++; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 275 | } while ((elem.type != EVENT_TYPE_UNKNOWN) && !elem.complete); |
| 276 | } |
| 277 | |
| 278 | int64_t LogEvent::GetLong(size_t key, status_t* err) const { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 279 | // TODO: encapsulate the magical operations all in Field struct as a static function. |
| 280 | int field = getSimpleField(key); |
| 281 | for (const auto& value : mValues) { |
| 282 | if (value.mField.getField() == field) { |
Yao Chen | ab92a1f | 2018-02-13 15:17:55 -0800 | [diff] [blame] | 283 | if (value.mValue.getType() == LONG) { |
| 284 | return value.mValue.long_value; |
| 285 | } else if (value.mValue.getType() == INT) { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 286 | return value.mValue.int_value; |
| 287 | } else { |
| 288 | *err = BAD_TYPE; |
| 289 | return 0; |
| 290 | } |
| 291 | } |
| 292 | if ((size_t)value.mField.getPosAtDepth(0) > key) { |
| 293 | break; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 294 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 295 | } |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 296 | |
| 297 | *err = BAD_INDEX; |
| 298 | return 0; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 299 | } |
| 300 | |
Chenjie Yu | 80f9112 | 2018-01-31 20:24:50 -0800 | [diff] [blame] | 301 | int LogEvent::GetInt(size_t key, status_t* err) const { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 302 | int field = getSimpleField(key); |
| 303 | for (const auto& value : mValues) { |
| 304 | if (value.mField.getField() == field) { |
| 305 | if (value.mValue.getType() == INT) { |
| 306 | return value.mValue.int_value; |
| 307 | } else { |
| 308 | *err = BAD_TYPE; |
| 309 | return 0; |
| 310 | } |
| 311 | } |
| 312 | if ((size_t)value.mField.getPosAtDepth(0) > key) { |
| 313 | break; |
| 314 | } |
| 315 | } |
| 316 | |
Chenjie Yu | 80f9112 | 2018-01-31 20:24:50 -0800 | [diff] [blame] | 317 | *err = BAD_INDEX; |
| 318 | return 0; |
Chenjie Yu | 80f9112 | 2018-01-31 20:24:50 -0800 | [diff] [blame] | 319 | } |
| 320 | |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 321 | const char* LogEvent::GetString(size_t key, status_t* err) const { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 322 | int field = getSimpleField(key); |
| 323 | for (const auto& value : mValues) { |
| 324 | if (value.mField.getField() == field) { |
| 325 | if (value.mValue.getType() == STRING) { |
| 326 | return value.mValue.str_value.c_str(); |
| 327 | } else { |
| 328 | *err = BAD_TYPE; |
| 329 | return 0; |
| 330 | } |
| 331 | } |
| 332 | if ((size_t)value.mField.getPosAtDepth(0) > key) { |
| 333 | break; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 334 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 335 | } |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 336 | |
| 337 | *err = BAD_INDEX; |
| 338 | return NULL; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | bool LogEvent::GetBool(size_t key, status_t* err) const { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 342 | int field = getSimpleField(key); |
| 343 | for (const auto& value : mValues) { |
| 344 | if (value.mField.getField() == field) { |
| 345 | if (value.mValue.getType() == INT) { |
| 346 | return value.mValue.int_value != 0; |
| 347 | } else if (value.mValue.getType() == LONG) { |
| 348 | return value.mValue.long_value != 0; |
| 349 | } else { |
| 350 | *err = BAD_TYPE; |
| 351 | return false; |
| 352 | } |
| 353 | } |
| 354 | if ((size_t)value.mField.getPosAtDepth(0) > key) { |
| 355 | break; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 356 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 357 | } |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 358 | |
| 359 | *err = BAD_INDEX; |
| 360 | return false; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | float LogEvent::GetFloat(size_t key, status_t* err) const { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 364 | int field = getSimpleField(key); |
| 365 | for (const auto& value : mValues) { |
| 366 | if (value.mField.getField() == field) { |
| 367 | if (value.mValue.getType() == FLOAT) { |
| 368 | return value.mValue.float_value; |
| 369 | } else { |
| 370 | *err = BAD_TYPE; |
| 371 | return 0.0; |
| 372 | } |
| 373 | } |
| 374 | if ((size_t)value.mField.getPosAtDepth(0) > key) { |
| 375 | break; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 376 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 377 | } |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 378 | |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 379 | *err = BAD_INDEX; |
| 380 | return 0.0; |
Yangster-mac | d40053e | 2018-01-09 16:29:22 -0800 | [diff] [blame] | 381 | } |
| 382 | |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 383 | string LogEvent::ToString() const { |
| 384 | ostringstream result; |
Yangster-mac | 330af58 | 2018-02-08 15:24:38 -0800 | [diff] [blame] | 385 | result << "{ " << mLogdTimestampNs << " " << mElapsedTimestampNs << " (" << mTagId << ")"; |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 386 | for (const auto& value : mValues) { |
| 387 | result << StringPrintf("%#x", value.mField.getField()); |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 388 | result << "->"; |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 389 | result << value.mValue.toString(); |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 390 | result << " "; |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 391 | } |
| 392 | result << " }"; |
| 393 | return result.str(); |
| 394 | } |
| 395 | |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 396 | void LogEvent::ToProto(ProtoOutputStream& protoOutput) const { |
Yao Chen | 8a8d16c | 2018-02-08 14:50:40 -0800 | [diff] [blame] | 397 | writeFieldValueTreeToStream(mTagId, getValues(), &protoOutput); |
Joe Onorato | c4dfae5 | 2017-10-17 23:38:21 -0700 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | } // namespace statsd |
| 401 | } // namespace os |
| 402 | } // namespace android |