Andreas Huber | 7d2f703 | 2010-06-07 10:18:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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 "AMessage.h" |
| 18 | |
Andreas Huber | 03431d2 | 2010-07-01 14:11:31 -0700 | [diff] [blame] | 19 | #include <ctype.h> |
| 20 | |
Andreas Huber | 7d2f703 | 2010-06-07 10:18:57 -0700 | [diff] [blame] | 21 | #include "AAtomizer.h" |
| 22 | #include "ADebug.h" |
| 23 | #include "ALooperRoster.h" |
| 24 | #include "AString.h" |
| 25 | |
| 26 | namespace android { |
| 27 | |
| 28 | AMessage::AMessage(uint32_t what, ALooper::handler_id target) |
| 29 | : mWhat(what), |
| 30 | mTarget(target), |
| 31 | mNumItems(0) { |
| 32 | } |
| 33 | |
| 34 | AMessage::~AMessage() { |
| 35 | clear(); |
| 36 | } |
| 37 | |
| 38 | void AMessage::setWhat(uint32_t what) { |
| 39 | mWhat = what; |
| 40 | } |
| 41 | |
| 42 | uint32_t AMessage::what() const { |
| 43 | return mWhat; |
| 44 | } |
| 45 | |
| 46 | void AMessage::setTarget(ALooper::handler_id handlerID) { |
| 47 | mTarget = handlerID; |
| 48 | } |
| 49 | |
| 50 | ALooper::handler_id AMessage::target() const { |
| 51 | return mTarget; |
| 52 | } |
| 53 | |
| 54 | void AMessage::clear() { |
| 55 | for (size_t i = 0; i < mNumItems; ++i) { |
| 56 | Item *item = &mItems[i]; |
| 57 | freeItem(item); |
| 58 | } |
| 59 | mNumItems = 0; |
| 60 | } |
| 61 | |
| 62 | void AMessage::freeItem(Item *item) { |
| 63 | switch (item->mType) { |
| 64 | case kTypeString: |
| 65 | { |
| 66 | delete item->u.stringValue; |
| 67 | break; |
| 68 | } |
| 69 | |
| 70 | case kTypeObject: |
| 71 | case kTypeMessage: |
| 72 | { |
| 73 | if (item->u.refValue != NULL) { |
| 74 | item->u.refValue->decStrong(this); |
| 75 | } |
| 76 | break; |
| 77 | } |
| 78 | |
| 79 | default: |
| 80 | break; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | AMessage::Item *AMessage::allocateItem(const char *name) { |
| 85 | name = AAtomizer::Atomize(name); |
| 86 | |
| 87 | size_t i = 0; |
| 88 | while (i < mNumItems && mItems[i].mName != name) { |
| 89 | ++i; |
| 90 | } |
| 91 | |
| 92 | Item *item; |
| 93 | |
| 94 | if (i < mNumItems) { |
| 95 | item = &mItems[i]; |
| 96 | freeItem(item); |
| 97 | } else { |
| 98 | CHECK(mNumItems < kMaxNumItems); |
| 99 | i = mNumItems++; |
| 100 | item = &mItems[i]; |
| 101 | |
| 102 | item->mName = name; |
| 103 | } |
| 104 | |
| 105 | return item; |
| 106 | } |
| 107 | |
| 108 | const AMessage::Item *AMessage::findItem( |
| 109 | const char *name, Type type) const { |
| 110 | name = AAtomizer::Atomize(name); |
| 111 | |
| 112 | for (size_t i = 0; i < mNumItems; ++i) { |
| 113 | const Item *item = &mItems[i]; |
| 114 | |
| 115 | if (item->mName == name) { |
| 116 | return item->mType == type ? item : NULL; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | return NULL; |
| 121 | } |
| 122 | |
| 123 | #define BASIC_TYPE(NAME,FIELDNAME,TYPENAME) \ |
| 124 | void AMessage::set##NAME(const char *name, TYPENAME value) { \ |
| 125 | Item *item = allocateItem(name); \ |
| 126 | \ |
| 127 | item->mType = kType##NAME; \ |
| 128 | item->u.FIELDNAME = value; \ |
| 129 | } \ |
| 130 | \ |
| 131 | bool AMessage::find##NAME(const char *name, TYPENAME *value) const { \ |
| 132 | const Item *item = findItem(name, kType##NAME); \ |
| 133 | if (item) { \ |
| 134 | *value = item->u.FIELDNAME; \ |
| 135 | return true; \ |
| 136 | } \ |
| 137 | return false; \ |
| 138 | } |
| 139 | |
| 140 | BASIC_TYPE(Int32,int32Value,int32_t) |
| 141 | BASIC_TYPE(Int64,int64Value,int64_t) |
| 142 | BASIC_TYPE(Size,sizeValue,size_t) |
| 143 | BASIC_TYPE(Float,floatValue,float) |
| 144 | BASIC_TYPE(Double,doubleValue,double) |
| 145 | BASIC_TYPE(Pointer,ptrValue,void *) |
| 146 | |
| 147 | #undef BASIC_TYPE |
| 148 | |
| 149 | void AMessage::setString( |
| 150 | const char *name, const char *s, ssize_t len) { |
| 151 | Item *item = allocateItem(name); |
| 152 | item->mType = kTypeString; |
| 153 | item->u.stringValue = new AString(s, len < 0 ? strlen(s) : len); |
| 154 | } |
| 155 | |
| 156 | void AMessage::setObject(const char *name, const sp<RefBase> &obj) { |
| 157 | Item *item = allocateItem(name); |
| 158 | item->mType = kTypeObject; |
| 159 | |
| 160 | if (obj != NULL) { obj->incStrong(this); } |
| 161 | item->u.refValue = obj.get(); |
| 162 | } |
| 163 | |
| 164 | void AMessage::setMessage(const char *name, const sp<AMessage> &obj) { |
| 165 | Item *item = allocateItem(name); |
| 166 | item->mType = kTypeMessage; |
| 167 | |
| 168 | if (obj != NULL) { obj->incStrong(this); } |
| 169 | item->u.refValue = obj.get(); |
| 170 | } |
| 171 | |
| 172 | bool AMessage::findString(const char *name, AString *value) const { |
| 173 | const Item *item = findItem(name, kTypeString); |
| 174 | if (item) { |
| 175 | *value = *item->u.stringValue; |
| 176 | return true; |
| 177 | } |
| 178 | return false; |
| 179 | } |
| 180 | |
| 181 | bool AMessage::findObject(const char *name, sp<RefBase> *obj) const { |
| 182 | const Item *item = findItem(name, kTypeObject); |
| 183 | if (item) { |
| 184 | *obj = item->u.refValue; |
| 185 | return true; |
| 186 | } |
| 187 | return false; |
| 188 | } |
| 189 | |
| 190 | bool AMessage::findMessage(const char *name, sp<AMessage> *obj) const { |
| 191 | const Item *item = findItem(name, kTypeMessage); |
| 192 | if (item) { |
| 193 | *obj = static_cast<AMessage *>(item->u.refValue); |
| 194 | return true; |
| 195 | } |
| 196 | return false; |
| 197 | } |
| 198 | |
| 199 | void AMessage::post(int64_t delayUs) { |
| 200 | extern ALooperRoster gLooperRoster; |
| 201 | |
| 202 | gLooperRoster.postMessage(this, delayUs); |
| 203 | } |
| 204 | |
| 205 | sp<AMessage> AMessage::dup() const { |
| 206 | sp<AMessage> msg = new AMessage(mWhat, mTarget); |
| 207 | msg->mNumItems = mNumItems; |
| 208 | |
| 209 | for (size_t i = 0; i < mNumItems; ++i) { |
| 210 | const Item *from = &mItems[i]; |
| 211 | Item *to = &msg->mItems[i]; |
| 212 | |
| 213 | to->mName = from->mName; |
| 214 | to->mType = from->mType; |
| 215 | |
| 216 | switch (from->mType) { |
| 217 | case kTypeString: |
| 218 | { |
| 219 | to->u.stringValue = |
| 220 | new AString(*from->u.stringValue); |
| 221 | break; |
| 222 | } |
| 223 | |
| 224 | case kTypeObject: |
| 225 | case kTypeMessage: |
| 226 | { |
| 227 | to->u.refValue = from->u.refValue; |
| 228 | to->u.refValue->incStrong(msg.get()); |
| 229 | break; |
| 230 | } |
| 231 | |
| 232 | default: |
| 233 | { |
| 234 | to->u = from->u; |
| 235 | break; |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | return msg; |
| 241 | } |
| 242 | |
Andreas Huber | 03431d2 | 2010-07-01 14:11:31 -0700 | [diff] [blame] | 243 | static void appendIndent(AString *s, int32_t indent) { |
| 244 | static const char kWhitespace[] = |
| 245 | " " |
| 246 | " "; |
| 247 | |
| 248 | CHECK_LT((size_t)indent, sizeof(kWhitespace)); |
| 249 | |
| 250 | s->append(kWhitespace, indent); |
| 251 | } |
| 252 | |
| 253 | static bool isFourcc(uint32_t what) { |
| 254 | return isprint(what & 0xff) |
| 255 | && isprint((what >> 8) & 0xff) |
| 256 | && isprint((what >> 16) & 0xff) |
| 257 | && isprint((what >> 24) & 0xff); |
| 258 | } |
| 259 | |
| 260 | AString AMessage::debugString(int32_t indent) const { |
| 261 | AString s = "AMessage(what = "; |
| 262 | |
| 263 | AString tmp; |
| 264 | if (isFourcc(mWhat)) { |
| 265 | tmp = StringPrintf( |
| 266 | "'%c%c%c%c'", |
| 267 | (char)(mWhat >> 24), |
| 268 | (char)((mWhat >> 16) & 0xff), |
| 269 | (char)((mWhat >> 8) & 0xff), |
| 270 | (char)(mWhat & 0xff)); |
| 271 | } else { |
| 272 | tmp = StringPrintf("0x%08x", mWhat); |
| 273 | } |
| 274 | s.append(tmp); |
| 275 | |
| 276 | if (mTarget != 0) { |
| 277 | tmp = StringPrintf(", target = %d", mTarget); |
| 278 | s.append(tmp); |
| 279 | } |
| 280 | s.append(") = {\n"); |
| 281 | |
| 282 | for (size_t i = 0; i < mNumItems; ++i) { |
| 283 | const Item &item = mItems[i]; |
| 284 | |
| 285 | switch (item.mType) { |
| 286 | case kTypeInt32: |
| 287 | tmp = StringPrintf( |
| 288 | "int32_t %s = %d", item.mName, item.u.int32Value); |
| 289 | break; |
| 290 | case kTypeInt64: |
| 291 | tmp = StringPrintf( |
| 292 | "int64_t %s = %lld", item.mName, item.u.int64Value); |
| 293 | break; |
| 294 | case kTypeSize: |
| 295 | tmp = StringPrintf( |
| 296 | "size_t %s = %d", item.mName, item.u.sizeValue); |
| 297 | break; |
| 298 | case kTypeFloat: |
| 299 | tmp = StringPrintf( |
| 300 | "float %s = %f", item.mName, item.u.floatValue); |
| 301 | break; |
| 302 | case kTypeDouble: |
| 303 | tmp = StringPrintf( |
| 304 | "double %s = %f", item.mName, item.u.doubleValue); |
| 305 | break; |
| 306 | case kTypePointer: |
| 307 | tmp = StringPrintf( |
| 308 | "void *%s = %p", item.mName, item.u.ptrValue); |
| 309 | break; |
| 310 | case kTypeString: |
| 311 | tmp = StringPrintf( |
| 312 | "string %s = \"%s\"", |
| 313 | item.mName, |
| 314 | item.u.stringValue->c_str()); |
| 315 | break; |
| 316 | case kTypeObject: |
| 317 | tmp = StringPrintf( |
| 318 | "RefBase *%s = %p", item.mName, item.u.refValue); |
| 319 | break; |
| 320 | case kTypeMessage: |
| 321 | tmp = StringPrintf( |
| 322 | "AMessage %s = %s", |
| 323 | item.mName, |
| 324 | static_cast<AMessage *>( |
| 325 | item.u.refValue)->debugString( |
| 326 | indent + strlen(item.mName) + 14).c_str()); |
| 327 | break; |
| 328 | default: |
| 329 | TRESPASS(); |
| 330 | } |
| 331 | |
| 332 | appendIndent(&s, indent); |
| 333 | s.append(" "); |
| 334 | s.append(tmp); |
| 335 | s.append("\n"); |
| 336 | } |
| 337 | |
| 338 | appendIndent(&s, indent); |
| 339 | s.append("}"); |
| 340 | |
| 341 | return s; |
| 342 | } |
| 343 | |
Andreas Huber | 7d2f703 | 2010-06-07 10:18:57 -0700 | [diff] [blame] | 344 | } // namespace android |