2014-02-07 06:48:50 +08:00
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdarg.h>
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#include <time.h>
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#include <log/logger.h>
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#include <private/android_filesystem_config.h>
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#include <utils/String8.h>
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#include "LogStatistics.h"
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PidStatistics::PidStatistics(pid_t pid)
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: pid(pid)
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, mSizesTotal(0)
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, mElementsTotal(0)
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, mSizes(0)
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, mElements(0) { }
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void PidStatistics::add(unsigned short size) {
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mSizesTotal += size;
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++mElementsTotal;
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mSizes += size;
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++mElements;
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}
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bool PidStatistics::subtract(unsigned short size) {
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mSizes -= size;
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--mElements;
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return mElements == 0 && kill(pid, 0);
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}
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void PidStatistics::addTotal(size_t size, size_t element) {
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if (pid == gone) {
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mSizesTotal += size;
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mElementsTotal += element;
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}
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}
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UidStatistics::UidStatistics(uid_t uid)
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: uid(uid) {
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Pids.clear();
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}
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UidStatistics::~UidStatistics() {
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PidStatisticsCollection::iterator it;
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for (it = begin(); it != end();) {
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delete (*it);
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it = Pids.erase(it);
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}
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}
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void UidStatistics::add(unsigned short size, pid_t pid) {
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PidStatistics *p;
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PidStatisticsCollection::iterator last;
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PidStatisticsCollection::iterator it;
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for (last = it = begin(); it != end(); last = it, ++it) {
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p = *it;
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if (pid == p->getPid()) {
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p->add(size);
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// poor-man sort, bubble upwards if bigger than last
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if ((last != it) && ((*last)->sizesTotal() < p->sizesTotal())) {
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Pids.erase(it);
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Pids.insert(last, p);
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}
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return;
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}
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}
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// poor-man sort, insert if bigger than last or last is the gone entry.
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bool insert = (last != it)
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&& ((p->getPid() == p->gone)
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|| ((*last)->sizesTotal() < (size_t) size));
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p = new PidStatistics(pid);
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if (insert) {
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Pids.insert(last, p);
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} else {
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Pids.push_back(p);
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}
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p->add(size);
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}
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void UidStatistics::subtract(unsigned short size, pid_t pid) {
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PidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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PidStatistics *p = *it;
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if (pid == p->getPid()) {
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if (p->subtract(size)) {
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size_t szsTotal = p->sizesTotal();
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size_t elsTotal = p->elementsTotal();
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delete p;
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Pids.erase(it);
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it = end();
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--it;
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if (it == end()) {
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p = new PidStatistics(p->gone);
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Pids.push_back(p);
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} else {
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p = *it;
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if (p->getPid() != p->gone) {
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p = new PidStatistics(p->gone);
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Pids.push_back(p);
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}
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}
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p->addTotal(szsTotal, elsTotal);
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}
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return;
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}
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}
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}
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size_t UidStatistics::sizes(pid_t pid) {
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size_t sizes = 0;
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PidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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PidStatistics *p = *it;
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if ((pid == pid_all) || (pid == p->getPid())) {
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sizes += p->sizes();
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}
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}
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return sizes;
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}
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size_t UidStatistics::elements(pid_t pid) {
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size_t elements = 0;
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PidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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PidStatistics *p = *it;
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if ((pid == pid_all) || (pid == p->getPid())) {
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elements += p->elements();
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}
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}
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return elements;
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}
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size_t UidStatistics::sizesTotal(pid_t pid) {
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size_t sizes = 0;
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PidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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PidStatistics *p = *it;
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if ((pid == pid_all) || (pid == p->getPid())) {
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sizes += p->sizesTotal();
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}
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}
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return sizes;
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}
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size_t UidStatistics::elementsTotal(pid_t pid) {
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size_t elements = 0;
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PidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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PidStatistics *p = *it;
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if ((pid == pid_all) || (pid == p->getPid())) {
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elements += p->elementsTotal();
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}
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}
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return elements;
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}
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LidStatistics::LidStatistics() {
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Uids.clear();
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}
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LidStatistics::~LidStatistics() {
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UidStatisticsCollection::iterator it;
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for (it = begin(); it != end();) {
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delete (*it);
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it = Uids.erase(it);
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}
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}
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void LidStatistics::add(unsigned short size, uid_t uid, pid_t pid) {
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UidStatistics *u;
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UidStatisticsCollection::iterator it;
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UidStatisticsCollection::iterator last;
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if (uid == (uid_t) -1) { // init
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uid = (uid_t) AID_ROOT;
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}
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for (last = it = begin(); it != end(); last = it, ++it) {
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u = *it;
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if (uid == u->getUid()) {
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u->add(size, pid);
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if ((last != it) && ((*last)->sizesTotal() < u->sizesTotal())) {
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Uids.erase(it);
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Uids.insert(last, u);
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}
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return;
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}
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}
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u = new UidStatistics(uid);
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if ((last != it) && ((*last)->sizesTotal() < (size_t) size)) {
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Uids.insert(last, u);
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} else {
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Uids.push_back(u);
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}
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u->add(size, pid);
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}
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void LidStatistics::subtract(unsigned short size, uid_t uid, pid_t pid) {
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UidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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UidStatistics *u = *it;
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if (uid == u->getUid()) {
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u->subtract(size, pid);
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return;
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}
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}
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}
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size_t LidStatistics::sizes(uid_t uid, pid_t pid) {
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size_t sizes = 0;
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UidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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UidStatistics *u = *it;
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if ((uid == uid_all) || (uid == u->getUid())) {
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sizes += u->sizes(pid);
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}
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}
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return sizes;
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}
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size_t LidStatistics::elements(uid_t uid, pid_t pid) {
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size_t elements = 0;
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UidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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UidStatistics *u = *it;
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if ((uid == uid_all) || (uid == u->getUid())) {
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elements += u->elements(pid);
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}
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}
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return elements;
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}
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size_t LidStatistics::sizesTotal(uid_t uid, pid_t pid) {
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size_t sizes = 0;
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UidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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UidStatistics *u = *it;
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if ((uid == uid_all) || (uid == u->getUid())) {
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sizes += u->sizesTotal(pid);
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}
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}
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return sizes;
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}
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size_t LidStatistics::elementsTotal(uid_t uid, pid_t pid) {
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size_t elements = 0;
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UidStatisticsCollection::iterator it;
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for (it = begin(); it != end(); ++it) {
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UidStatistics *u = *it;
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if ((uid == uid_all) || (uid == u->getUid())) {
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elements += u->elementsTotal(pid);
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}
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}
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return elements;
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}
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LogStatistics::LogStatistics()
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: start(CLOCK_MONOTONIC) {
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log_id_for_each(i) {
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mSizes[i] = 0;
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mElements[i] = 0;
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}
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}
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void LogStatistics::add(unsigned short size,
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log_id_t log_id, uid_t uid, pid_t pid) {
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mSizes[log_id] += size;
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++mElements[log_id];
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id(log_id).add(size, uid, pid);
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}
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void LogStatistics::subtract(unsigned short size,
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log_id_t log_id, uid_t uid, pid_t pid) {
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mSizes[log_id] -= size;
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--mElements[log_id];
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id(log_id).subtract(size, uid, pid);
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}
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size_t LogStatistics::sizes(log_id_t log_id, uid_t uid, pid_t pid) {
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if (log_id != log_id_all) {
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return id(log_id).sizes(uid, pid);
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}
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size_t sizes = 0;
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log_id_for_each(i) {
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sizes += id(i).sizes(uid, pid);
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}
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return sizes;
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}
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size_t LogStatistics::elements(log_id_t log_id, uid_t uid, pid_t pid) {
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if (log_id != log_id_all) {
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return id(log_id).elements(uid, pid);
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}
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size_t elements = 0;
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log_id_for_each(i) {
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elements += id(i).elements(uid, pid);
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}
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return elements;
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}
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size_t LogStatistics::sizesTotal(log_id_t log_id, uid_t uid, pid_t pid) {
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if (log_id != log_id_all) {
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return id(log_id).sizesTotal(uid, pid);
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}
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size_t sizes = 0;
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log_id_for_each(i) {
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sizes += id(i).sizesTotal(uid, pid);
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}
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return sizes;
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}
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size_t LogStatistics::elementsTotal(log_id_t log_id, uid_t uid, pid_t pid) {
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if (log_id != log_id_all) {
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return id(log_id).elementsTotal(uid, pid);
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}
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size_t elements = 0;
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log_id_for_each(i) {
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elements += id(i).elementsTotal(uid, pid);
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}
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return elements;
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}
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2014-02-12 04:29:31 +08:00
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void LogStatistics::format(char **buf,
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uid_t uid, unsigned int logMask, log_time oldest) {
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2014-02-07 06:48:50 +08:00
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const unsigned short spaces_current = 13;
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const unsigned short spaces_total = 19;
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if (*buf) {
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free(buf);
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*buf = NULL;
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}
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android::String8 string(" span -> size/num");
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size_t oldLength;
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short spaces = 2;
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log_id_for_each(i) {
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if (logMask & (1 << i)) {
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oldLength = string.length();
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string.appendFormat("%*s%s", spaces, "", android_log_id_to_name(i));
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spaces += spaces_total + oldLength - string.length();
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}
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}
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spaces = 1;
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log_time t(CLOCK_MONOTONIC);
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unsigned long long d = t.nsec() - start.nsec();
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string.appendFormat("\nTotal%4llu:%02llu:%02llu.%09llu",
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d / NS_PER_SEC / 60 / 60, (d / NS_PER_SEC / 60) % 60,
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(d / NS_PER_SEC) % 60, d % NS_PER_SEC);
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log_id_for_each(i) {
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if (!(logMask & (1 << i))) {
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continue;
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}
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oldLength = string.length();
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string.appendFormat("%*s%zu/%zu", spaces, "",
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sizesTotal(i), elementsTotal(i));
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spaces += spaces_total + oldLength - string.length();
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}
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spaces = 1;
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d = t.nsec() - oldest.nsec();
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string.appendFormat("\nNow%6llu:%02llu:%02llu.%09llu",
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d / NS_PER_SEC / 60 / 60, (d / NS_PER_SEC / 60) % 60,
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(d / NS_PER_SEC) % 60, d % NS_PER_SEC);
|
|
|
|
|
|
|
|
log_id_for_each(i) {
|
|
|
|
if (!(logMask & (1 << i))) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t els = elements(i);
|
|
|
|
if (els) {
|
|
|
|
oldLength = string.length();
|
|
|
|
string.appendFormat("%*s%zu/%zu", spaces, "", sizes(i), els);
|
|
|
|
spaces -= string.length() - oldLength;
|
|
|
|
}
|
|
|
|
spaces += spaces_total;
|
|
|
|
}
|
|
|
|
|
|
|
|
log_id_for_each(i) {
|
|
|
|
if (!(logMask & (1 << i))) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool header = false;
|
|
|
|
bool first = true;
|
|
|
|
|
|
|
|
UidStatisticsCollection::iterator ut;
|
|
|
|
for(ut = id(i).begin(); ut != id(i).end(); ++ut) {
|
|
|
|
UidStatistics *up = *ut;
|
|
|
|
if ((uid != AID_ROOT) && (uid != up->getUid())) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
PidStatisticsCollection::iterator pt = up->begin();
|
|
|
|
if (pt == up->end()) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
android::String8 intermediate;
|
|
|
|
|
|
|
|
if (!header) {
|
|
|
|
// header below tuned to match spaces_total and spaces_current
|
|
|
|
spaces = 0;
|
|
|
|
intermediate = string.format("%s: UID/PID Total size/num",
|
|
|
|
android_log_id_to_name(i));
|
|
|
|
string.appendFormat("\n\n%-31sNow "
|
|
|
|
"UID/PID[?] Total Now",
|
|
|
|
intermediate.string());
|
|
|
|
intermediate.clear();
|
|
|
|
header = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool oneline = ++pt == up->end();
|
|
|
|
--pt;
|
|
|
|
|
|
|
|
if (!oneline) {
|
|
|
|
first = true;
|
|
|
|
} else if (!first && spaces) {
|
|
|
|
string.appendFormat("%*s", spaces, "");
|
|
|
|
}
|
|
|
|
spaces = 0;
|
|
|
|
|
|
|
|
uid_t u = up->getUid();
|
|
|
|
pid_t p = (*pt)->getPid();
|
|
|
|
|
|
|
|
intermediate = string.format(oneline
|
|
|
|
? ((p == PidStatistics::gone)
|
|
|
|
? "%d/?"
|
|
|
|
: "%d/%d")
|
|
|
|
: "%d",
|
|
|
|
u, p);
|
|
|
|
string.appendFormat((first) ? "\n%-12s" : "%-12s",
|
|
|
|
intermediate.string());
|
|
|
|
intermediate.clear();
|
|
|
|
|
|
|
|
size_t elsTotal = up->elementsTotal();
|
|
|
|
oldLength = string.length();
|
|
|
|
string.appendFormat("%zu/%zu", up->sizesTotal(), elsTotal);
|
|
|
|
spaces += spaces_total + oldLength - string.length();
|
|
|
|
|
|
|
|
size_t els = up->elements();
|
|
|
|
if (els == elsTotal) {
|
|
|
|
string.appendFormat("%*s=", spaces, "");
|
|
|
|
spaces = -1;
|
|
|
|
} else if (els) {
|
|
|
|
oldLength = string.length();
|
|
|
|
string.appendFormat("%*s%zu/%zu", spaces, "", up->sizes(), els);
|
|
|
|
spaces -= string.length() - oldLength;
|
|
|
|
}
|
|
|
|
spaces += spaces_current;
|
|
|
|
|
|
|
|
first = !first;
|
|
|
|
|
|
|
|
if (oneline) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t gone_szs = 0;
|
|
|
|
size_t gone_els = 0;
|
|
|
|
|
|
|
|
for(; pt != up->end(); ++pt) {
|
|
|
|
PidStatistics *pp = *pt;
|
|
|
|
pid_t p = pp->getPid();
|
|
|
|
|
|
|
|
// If a PID no longer has any current logs, and is not
|
|
|
|
// active anymore, skip & report totals for gone.
|
|
|
|
elsTotal = pp->elementsTotal();
|
|
|
|
size_t szsTotal = pp->sizesTotal();
|
|
|
|
if (p == pp->gone) {
|
|
|
|
gone_szs += szsTotal;
|
|
|
|
gone_els += elsTotal;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
els = pp->elements();
|
|
|
|
bool gone = kill(p, 0);
|
|
|
|
if (gone && (els == 0)) {
|
|
|
|
// ToDo: garbage collection: move this statistical bucket
|
|
|
|
// from its current UID/PID to UID/? (races and
|
|
|
|
// wrap around are our achilles heel). Below is
|
|
|
|
// merely lipservice to catch PIDs that were still
|
|
|
|
// around when the stats were pruned to zero.
|
|
|
|
gone_szs += szsTotal;
|
|
|
|
gone_els += elsTotal;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!first && spaces) {
|
|
|
|
string.appendFormat("%*s", spaces, "");
|
|
|
|
}
|
|
|
|
spaces = 0;
|
|
|
|
|
|
|
|
intermediate = string.format((gone) ? "%d/%d?" : "%d/%d", u, p);
|
|
|
|
string.appendFormat((first) ? "\n%-12s" : "%-12s",
|
|
|
|
intermediate.string());
|
|
|
|
intermediate.clear();
|
|
|
|
|
|
|
|
oldLength = string.length();
|
|
|
|
string.appendFormat("%zu/%zu", szsTotal, elsTotal);
|
|
|
|
spaces += spaces_total + oldLength - string.length();
|
|
|
|
|
|
|
|
if (els == elsTotal) {
|
|
|
|
string.appendFormat("%*s=", spaces, "");
|
|
|
|
spaces = -1;
|
|
|
|
} else if (els) {
|
|
|
|
oldLength = string.length();
|
|
|
|
string.appendFormat("%*s%zu/%zu", spaces, "",
|
|
|
|
pp->sizes(), els);
|
|
|
|
spaces -= string.length() - oldLength;
|
|
|
|
}
|
|
|
|
spaces += spaces_current;
|
|
|
|
|
|
|
|
first = !first;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (gone_els) {
|
|
|
|
if (!first && spaces) {
|
|
|
|
string.appendFormat("%*s", spaces, "");
|
|
|
|
}
|
|
|
|
|
|
|
|
intermediate = string.format("%d/?", u);
|
|
|
|
string.appendFormat((first) ? "\n%-12s" : "%-12s",
|
|
|
|
intermediate.string());
|
|
|
|
intermediate.clear();
|
|
|
|
|
|
|
|
spaces = spaces_total + spaces_current;
|
|
|
|
|
|
|
|
oldLength = string.length();
|
|
|
|
string.appendFormat("%zu/%zu", gone_szs, gone_els);
|
|
|
|
spaces -= string.length() - oldLength;
|
|
|
|
|
|
|
|
first = !first;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-02-12 04:29:31 +08:00
|
|
|
*buf = strdup(string.string());
|
2014-02-07 06:48:50 +08:00
|
|
|
}
|