ALooperRoster.cpp revision f09611f2f33752afc28141e1bbaa897651c05d6f
172961230a5890071bcca436eb5630172ce84ec41Andreas Huber/* 272961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Copyright (C) 2010 The Android Open Source Project 372961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 472961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 572961230a5890071bcca436eb5630172ce84ec41Andreas Huber * you may not use this file except in compliance with the License. 672961230a5890071bcca436eb5630172ce84ec41Andreas Huber * You may obtain a copy of the License at 772961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 872961230a5890071bcca436eb5630172ce84ec41Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 972961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 1072961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Unless required by applicable law or agreed to in writing, software 1172961230a5890071bcca436eb5630172ce84ec41Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 1272961230a5890071bcca436eb5630172ce84ec41Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1372961230a5890071bcca436eb5630172ce84ec41Andreas Huber * See the License for the specific language governing permissions and 1472961230a5890071bcca436eb5630172ce84ec41Andreas Huber * limitations under the License. 1572961230a5890071bcca436eb5630172ce84ec41Andreas Huber */ 1672961230a5890071bcca436eb5630172ce84ec41Andreas Huber 1772961230a5890071bcca436eb5630172ce84ec41Andreas Huber//#define LOG_NDEBUG 0 1872961230a5890071bcca436eb5630172ce84ec41Andreas Huber#define LOG_TAG "ALooperRoster" 1972961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include <utils/Log.h> 20f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen#include <utils/String8.h> 2172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2272961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "ALooperRoster.h" 2372961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2472961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "ADebug.h" 2572961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "AHandler.h" 2672961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "AMessage.h" 2772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2872961230a5890071bcca436eb5630172ce84ec41Andreas Hubernamespace android { 2972961230a5890071bcca436eb5630172ce84ec41Andreas Huber 30f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissenstatic bool verboseStats = false; 31f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen 3272961230a5890071bcca436eb5630172ce84ec41Andreas HuberALooperRoster::ALooperRoster() 335df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber : mNextHandlerID(1), 345df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber mNextReplyID(1) { 3572961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 3672961230a5890071bcca436eb5630172ce84ec41Andreas Huber 3772961230a5890071bcca436eb5630172ce84ec41Andreas HuberALooper::handler_id ALooperRoster::registerHandler( 3872961230a5890071bcca436eb5630172ce84ec41Andreas Huber const sp<ALooper> looper, const sp<AHandler> &handler) { 3972961230a5890071bcca436eb5630172ce84ec41Andreas Huber Mutex::Autolock autoLock(mLock); 4072961230a5890071bcca436eb5630172ce84ec41Andreas Huber 4172961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (handler->id() != 0) { 4272961230a5890071bcca436eb5630172ce84ec41Andreas Huber CHECK(!"A handler must only be registered once."); 4372961230a5890071bcca436eb5630172ce84ec41Andreas Huber return INVALID_OPERATION; 4472961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 4572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 4672961230a5890071bcca436eb5630172ce84ec41Andreas Huber HandlerInfo info; 4772961230a5890071bcca436eb5630172ce84ec41Andreas Huber info.mLooper = looper; 4872961230a5890071bcca436eb5630172ce84ec41Andreas Huber info.mHandler = handler; 4972961230a5890071bcca436eb5630172ce84ec41Andreas Huber ALooper::handler_id handlerID = mNextHandlerID++; 5072961230a5890071bcca436eb5630172ce84ec41Andreas Huber mHandlers.add(handlerID, info); 5172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5272961230a5890071bcca436eb5630172ce84ec41Andreas Huber handler->setID(handlerID); 5372961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5472961230a5890071bcca436eb5630172ce84ec41Andreas Huber return handlerID; 5572961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 5672961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5772961230a5890071bcca436eb5630172ce84ec41Andreas Hubervoid ALooperRoster::unregisterHandler(ALooper::handler_id handlerID) { 5872961230a5890071bcca436eb5630172ce84ec41Andreas Huber Mutex::Autolock autoLock(mLock); 5972961230a5890071bcca436eb5630172ce84ec41Andreas Huber 6072961230a5890071bcca436eb5630172ce84ec41Andreas Huber ssize_t index = mHandlers.indexOfKey(handlerID); 61f200777290d2e3e8b580c512cc0808eae9790705Andreas Huber 62f200777290d2e3e8b580c512cc0808eae9790705Andreas Huber if (index < 0) { 63f200777290d2e3e8b580c512cc0808eae9790705Andreas Huber return; 64f200777290d2e3e8b580c512cc0808eae9790705Andreas Huber } 6572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 6672961230a5890071bcca436eb5630172ce84ec41Andreas Huber const HandlerInfo &info = mHandlers.valueAt(index); 6711cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 6811cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber sp<AHandler> handler = info.mHandler.promote(); 6911cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 7011cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber if (handler != NULL) { 7111cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber handler->setID(0); 7211cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber } 7372961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7472961230a5890071bcca436eb5630172ce84ec41Andreas Huber mHandlers.removeItemsAt(index); 7572961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 7672961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7730873bfd08255e2c4e98ff5732ffff2838772617Andreas Hubervoid ALooperRoster::unregisterStaleHandlers() { 7830873bfd08255e2c4e98ff5732ffff2838772617Andreas Huber 7975c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen Vector<sp<ALooper> > activeLoopers; 8075c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen { 8175c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen Mutex::Autolock autoLock(mLock); 8275c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen 8375c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen for (size_t i = mHandlers.size(); i-- > 0;) { 8475c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen const HandlerInfo &info = mHandlers.valueAt(i); 8575c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen 8675c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen sp<ALooper> looper = info.mLooper.promote(); 8775c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen if (looper == NULL) { 8875c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen ALOGV("Unregistering stale handler %d", mHandlers.keyAt(i)); 8975c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen mHandlers.removeItemsAt(i); 9075c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen } else { 9175c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen // At this point 'looper' might be the only sp<> keeping 9275c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen // the object alive. To prevent it from going out of scope 9375c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen // and having ~ALooper call this method again recursively 9475c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen // and then deadlocking because of the Autolock above, add 9575c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen // it to a Vector which will go out of scope after the lock 9675c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen // has been released. 9775c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen activeLoopers.add(looper); 9875c672fc376ef9b3ceff61a96513242b0e5ebd60Marco Nelissen } 9930873bfd08255e2c4e98ff5732ffff2838772617Andreas Huber } 10030873bfd08255e2c4e98ff5732ffff2838772617Andreas Huber } 10130873bfd08255e2c4e98ff5732ffff2838772617Andreas Huber} 10230873bfd08255e2c4e98ff5732ffff2838772617Andreas Huber 1035df775d2f509c76e76a46615fca83dba95299f6eAndreas Huberstatus_t ALooperRoster::postMessage( 10472961230a5890071bcca436eb5630172ce84ec41Andreas Huber const sp<AMessage> &msg, int64_t delayUs) { 10572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 106047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen sp<ALooper> looper = findLooper(msg->target()); 10711cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 10811cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber if (looper == NULL) { 1095df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber return -ENOENT; 11011cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber } 11111cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber looper->post(msg, delayUs); 1125df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber return OK; 11372961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 11472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 11572961230a5890071bcca436eb5630172ce84ec41Andreas Hubervoid ALooperRoster::deliverMessage(const sp<AMessage> &msg) { 11672961230a5890071bcca436eb5630172ce84ec41Andreas Huber sp<AHandler> handler; 11772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 11872961230a5890071bcca436eb5630172ce84ec41Andreas Huber { 11972961230a5890071bcca436eb5630172ce84ec41Andreas Huber Mutex::Autolock autoLock(mLock); 12072961230a5890071bcca436eb5630172ce84ec41Andreas Huber 12172961230a5890071bcca436eb5630172ce84ec41Andreas Huber ssize_t index = mHandlers.indexOfKey(msg->target()); 12272961230a5890071bcca436eb5630172ce84ec41Andreas Huber 12372961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (index < 0) { 1245ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("failed to deliver message. Target handler not registered."); 12572961230a5890071bcca436eb5630172ce84ec41Andreas Huber return; 12672961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 12772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 12872961230a5890071bcca436eb5630172ce84ec41Andreas Huber const HandlerInfo &info = mHandlers.valueAt(index); 12911cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber handler = info.mHandler.promote(); 13011cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 13111cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber if (handler == NULL) { 1325ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("failed to deliver message. " 133f200777290d2e3e8b580c512cc0808eae9790705Andreas Huber "Target handler %d registered, but object gone.", 134f200777290d2e3e8b580c512cc0808eae9790705Andreas Huber msg->target()); 13511cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 13611cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber mHandlers.removeItemsAt(index); 13711cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber return; 13811cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber } 13972961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 14072961230a5890071bcca436eb5630172ce84ec41Andreas Huber 14172961230a5890071bcca436eb5630172ce84ec41Andreas Huber handler->onMessageReceived(msg); 142f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessageCounter++; 143f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen 144f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (verboseStats) { 145f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen uint32_t what = msg->what(); 146f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen ssize_t idx = handler->mMessages.indexOfKey(what); 147f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (idx < 0) { 148f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessages.add(what, 1); 149f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else { 150f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessages.editValueAt(idx)++; 151f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 152f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 15372961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 15472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 155e2b20987c2652a984d10520ef3542d50d91119c5Andreas Hubersp<ALooper> ALooperRoster::findLooper(ALooper::handler_id handlerID) { 156e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber Mutex::Autolock autoLock(mLock); 157e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber 158e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber ssize_t index = mHandlers.indexOfKey(handlerID); 159e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber 160e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber if (index < 0) { 161e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber return NULL; 162e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber } 163e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber 16411cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber sp<ALooper> looper = mHandlers.valueAt(index).mLooper.promote(); 16511cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 16611cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber if (looper == NULL) { 16711cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber mHandlers.removeItemsAt(index); 16811cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber return NULL; 16911cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber } 17011cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber 17111cc270ac5fd522c9e6491a7933516a96da4f62eAndreas Huber return looper; 172e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber} 173e2b20987c2652a984d10520ef3542d50d91119c5Andreas Huber 1745df775d2f509c76e76a46615fca83dba95299f6eAndreas Huberstatus_t ALooperRoster::postAndAwaitResponse( 1755df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber const sp<AMessage> &msg, sp<AMessage> *response) { 176047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen sp<ALooper> looper = findLooper(msg->target()); 177047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen 178047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen if (looper == NULL) { 179047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen ALOGW("failed to post message. " 180047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen "Target handler %d still registered, but object gone.", 181047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen msg->target()); 182047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen response->clear(); 183047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen return -ENOENT; 184047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen } 185047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen 1865df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber Mutex::Autolock autoLock(mLock); 1875df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 1885df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber uint32_t replyID = mNextReplyID++; 1895df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 1905df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber msg->setInt32("replyID", replyID); 1915df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 192047dd13ca42ff7cea10821ef64eb09229fa3e751Marco Nelissen looper->post(msg, 0 /* delayUs */); 1935df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 1945df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber ssize_t index; 1955df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber while ((index = mReplies.indexOfKey(replyID)) < 0) { 1965df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber mRepliesCondition.wait(mLock); 1975df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber } 1985df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 1995df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber *response = mReplies.valueAt(index); 2005df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber mReplies.removeItemsAt(index); 2015df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 2025df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber return OK; 2035df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber} 2045df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 2055df775d2f509c76e76a46615fca83dba95299f6eAndreas Hubervoid ALooperRoster::postReply(uint32_t replyID, const sp<AMessage> &reply) { 2065df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber Mutex::Autolock autoLock(mLock); 2075df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 2085df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber CHECK(mReplies.indexOfKey(replyID) < 0); 2095df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber mReplies.add(replyID, reply); 2105df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber mRepliesCondition.broadcast(); 2115df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber} 2125df775d2f509c76e76a46615fca83dba95299f6eAndreas Huber 213f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissenstatic void makeFourCC(uint32_t fourcc, char *s) { 214f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s[0] = (fourcc >> 24) & 0xff; 215f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (s[0]) { 216f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s[1] = (fourcc >> 16) & 0xff; 217f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s[2] = (fourcc >> 8) & 0xff; 218f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s[3] = fourcc & 0xff; 219f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s[4] = 0; 220f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else { 221f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen sprintf(s, "%u", fourcc); 222f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 223f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen} 224f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen 225f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissenvoid ALooperRoster::dump(int fd, const Vector<String16>& args) { 226f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen bool clear = false; 227f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen bool oldVerbose = verboseStats; 228f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen for (size_t i = 0;i < args.size(); i++) { 229f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (args[i] == String16("-c")) { 230f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen clear = true; 231f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else if (args[i] == String16("-von")) { 232f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen verboseStats = true; 233f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else if (args[i] == String16("-voff")) { 234f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen verboseStats = false; 235f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 236f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 237f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen String8 s; 238f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (verboseStats && !oldVerbose) { 239f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.append("(verbose stats collection enabled, stats will be cleared)\n"); 240f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 241f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen 242f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen Mutex::Autolock autoLock(mLock); 243f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen size_t n = mHandlers.size(); 244f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.appendFormat(" %zd registered handlers:\n", n); 245f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen 246f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen for (size_t i = 0; i < n; i++) { 247f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.appendFormat(" %zd: ", i); 248f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen HandlerInfo &info = mHandlers.editValueAt(i); 249f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen sp<ALooper> looper = info.mLooper.promote(); 250f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (looper != NULL) { 251f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.append(looper->mName.c_str()); 252f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen sp<AHandler> handler = info.mHandler.promote(); 253f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (handler != NULL) { 254f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.appendFormat(": %u messages processed", handler->mMessageCounter); 255f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (verboseStats) { 256f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen for (size_t j = 0; j < handler->mMessages.size(); j++) { 257f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen char fourcc[15]; 258f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen makeFourCC(handler->mMessages.keyAt(j), fourcc); 259f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.appendFormat("\n %s: %d", 260f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen fourcc, 261f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessages.valueAt(j)); 262f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 263f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else { 264f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessages.clear(); 265f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 266f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen if (clear || (verboseStats && !oldVerbose)) { 267f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessageCounter = 0; 268f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen handler->mMessages.clear(); 269f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 270f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else { 271f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.append(": <stale handler>"); 272f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 273f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } else { 274f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.append("<stale>"); 275f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 276f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen s.append("\n"); 277f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen } 278f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen write(fd, s.string(), s.size()); 279f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen} 280f09611f2f33752afc28141e1bbaa897651c05d6fMarco Nelissen 28172961230a5890071bcca436eb5630172ce84ec41Andreas Huber} // namespace android 282