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device_google_zuma/dumpstate/Dumpstate.cpp

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/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "dumpstate_device"
#include <inttypes.h>
#include <android-base/file.h>
#include <android-base/stringprintf.h>
#include <android-base/properties.h>
#include <android-base/unique_fd.h>
#include <log/log.h>
#include <sys/stat.h>
#include <dump/pixel_dump.h>
#include "Dumpstate.h"
#include "DumpstateUtil.h"
#define MODEM_LOGGING_PERSIST_PROPERTY "persist.vendor.sys.modem.logging.enable"
#define MODEM_LOGGING_PROPERTY "vendor.sys.modem.logging.enable"
#define MODEM_LOGGING_STATUS_PROPERTY "vendor.sys.modem.logging.status"
#define MODEM_LOGGING_NUMBER_BUGREPORT_PROPERTY "persist.vendor.sys.modem.logging.br_num"
#define MODEM_LOGGING_PATH_PROPERTY "vendor.sys.modem.logging.log_path"
#define TCPDUMP_LOG_DIRECTORY "/data/vendor/tcpdump_logger/logs"
#define TCPDUMP_NUMBER_BUGREPORT "persist.vendor.tcpdump.log.br_num"
#define TCPDUMP_PERSIST_PROPERTY "persist.vendor.tcpdump.log.alwayson"
#define HW_REVISION "ro.boot.hardware.revision"
using android::os::dumpstate::CommandOptions;
using android::os::dumpstate::DumpFileToFd;
using android::os::dumpstate::PropertiesHelper;
using android::os::dumpstate::RunCommandToFd;
namespace aidl {
namespace android {
namespace hardware {
namespace dumpstate {
#define MODEM_LOG_PREFIX "sbuff_"
#define BUFSIZE 65536
#define TCPDUMP_LOG_PREFIX "tcpdump"
typedef std::chrono::time_point<std::chrono::steady_clock> timepoint_t;
const char kVerboseLoggingProperty[] = "persist.vendor.verbose_logging_enabled";
void Dumpstate::dumpLogs(int fd, std::string srcDir, std::string destDir, int maxFileNum,
const char *logPrefix) {
struct dirent **dirent_list = NULL;
int num_entries = scandir(srcDir.c_str(),
&dirent_list,
0,
(int (*)(const struct dirent **, const struct dirent **)) alphasort);
if (!dirent_list) {
return;
} else if (num_entries <= 0) {
return;
}
int copiedFiles = 0;
for (int i = num_entries - 1; i >= 0; i--) {
ALOGD("Found %s\n", dirent_list[i]->d_name);
if (0 != strncmp(dirent_list[i]->d_name, logPrefix, strlen(logPrefix))) {
continue;
}
if ((copiedFiles >= maxFileNum) && (maxFileNum != -1)) {
ALOGD("Skipped %s\n", dirent_list[i]->d_name);
continue;
}
copiedFiles++;
CommandOptions options = CommandOptions::WithTimeout(120).Build();
std::string srcLogFile = srcDir + "/" + dirent_list[i]->d_name;
std::string destLogFile = destDir + "/" + dirent_list[i]->d_name;
std::string copyCmd = "/vendor/bin/cp " + srcLogFile + " " + destLogFile;
ALOGD("Copying %s to %s\n", srcLogFile.c_str(), destLogFile.c_str());
RunCommandToFd(fd, "CP LOGS", { "/vendor/bin/sh", "-c", copyCmd.c_str() }, options);
}
while (num_entries--) {
free(dirent_list[num_entries]);
}
free(dirent_list);
}
void copyFile(std::string srcFile, std::string destFile) {
uint8_t buffer[BUFSIZE];
ssize_t size;
int fdSrc = open(srcFile.c_str(), O_RDONLY);
if (fdSrc < 0) {
ALOGD("Failed to open source file %s\n", srcFile.c_str());
return;
}
int fdDest = open(destFile.c_str(), O_WRONLY | O_CREAT, 0666);
if (fdDest < 0) {
ALOGD("Failed to open destination file %s\n", destFile.c_str());
close(fdSrc);
return;
}
ALOGD("Copying %s to %s\n", srcFile.c_str(), destFile.c_str());
while ((size = TEMP_FAILURE_RETRY(read(fdSrc, buffer, BUFSIZE))) > 0) {
TEMP_FAILURE_RETRY(write(fdDest, buffer, size));
}
close(fdDest);
close(fdSrc);
}
void dumpNetmgrLogs(std::string destDir) {
const std::vector <std::string> netmgrLogs
{
"/data/vendor/radio/metrics_data",
"/data/vendor/radio/omadm_logs.txt",
"/data/vendor/radio/power_anomaly_data.txt",
};
for (const auto& logFile : netmgrLogs) {
copyFile(logFile, destDir + "/" + basename(logFile.c_str()));
}
}
timepoint_t startSection(int fd, const std::string &sectionName) {
::android::base::WriteStringToFd(
"\n"
"------ Section start: " + sectionName + " ------\n"
"\n", fd);
return std::chrono::steady_clock::now();
}
void endSection(int fd, const std::string &sectionName, timepoint_t startTime) {
auto endTime = std::chrono::steady_clock::now();
auto elapsedMsec = std::chrono::duration_cast<std::chrono::milliseconds>
(endTime - startTime).count();
::android::base::WriteStringToFd(
"\n"
"------ Section end: " + sectionName + " ------\n"
"Elapsed msec: " + std::to_string(elapsedMsec) + "\n"
"\n", fd);
}
Dumpstate::Dumpstate()
: mLogSections{
{ "radio", [this](int fd, const std::string &destDir) { dumpRadioLogs(fd, destDir); } },
} {
}
// Dump data requested by an argument to the "dump" interface, or help info
// if the specified section is not supported.
void Dumpstate::dumpTextSection(int fd, const std::string &sectionName) {
bool dumpAll = (sectionName == kAllSections);
std::string dumpFiles;
// Execute all or designated programs under vendor/bin/dump/
std::unique_ptr<DIR, decltype(&closedir)> dir(opendir("/vendor/bin/dump"), closedir);
if (!dir) {
ALOGE("Fail To Open Dir vendor/bin/dump/");
::android::base::WriteStringToFd("Fail To Open Dir vendor/bin/dump/\n", fd);
return;
}
dirent *entry;
while ((entry = readdir(dir.get())) != nullptr) {
// Skip '.', '..'
if (entry->d_name[0] == '.') {
continue;
}
std::string bin(entry->d_name);
dumpFiles = dumpFiles + " " + bin;
if (dumpAll || sectionName == bin) {
auto startTime = startSection(fd, bin);
RunCommandToFd(fd, "/vendor/bin/dump/"+bin, {"/vendor/bin/dump/"+bin});
endSection(fd, bin, startTime);
if (!dumpAll) {
return;
}
}
}
if (dumpAll) {
RunCommandToFd(fd, "VENDOR PROPERTIES", {"/vendor/bin/getprop"});
return;
}
// An unsupported section was requested on the command line
::android::base::WriteStringToFd("Unrecognized text section: " + sectionName + "\n", fd);
::android::base::WriteStringToFd("Try \"" + kAllSections + "\" or one of the following:", fd);
::android::base::WriteStringToFd(dumpFiles, fd);
::android::base::WriteStringToFd("\nNote: sections with attachments (e.g. dump_soc) are"
"not avalable from the command line.\n", fd);
}
void Dumpstate::dumpRadioLogs(int fd, const std::string &destDir) {
std::string tcpdumpLogDir = TCPDUMP_LOG_DIRECTORY;
bool tcpdumpEnabled = ::android::base::GetBoolProperty(TCPDUMP_PERSIST_PROPERTY, false);
if (tcpdumpEnabled) {
dumpLogs(fd, tcpdumpLogDir, destDir, ::android::base::GetIntProperty(TCPDUMP_NUMBER_BUGREPORT, 5), TCPDUMP_LOG_PREFIX);
}
dumpNetmgrLogs(destDir);
}
void Dumpstate::dumpLogSection(int fd, int fd_bin)
{
std::string logDir = MODEM_LOG_DIRECTORY;
const std::string logCombined = logDir + "/combined_logs.tar";
const std::string logAllDir = logDir + "/all_logs";
RunCommandToFd(fd, "MKDIR LOG", {"/vendor/bin/mkdir", "-p", logAllDir.c_str()}, CommandOptions::WithTimeout(2).Build());
static const std::string sectionName = "modem DM log";
auto startTime = startSection(fd, sectionName);
bool modemLogEnabled = ::android::base::GetBoolProperty(MODEM_LOGGING_PERSIST_PROPERTY, false);
if (modemLogEnabled && ::android::base::GetProperty(MODEM_LOGGING_PATH_PROPERTY, "") == MODEM_LOG_DIRECTORY) {
bool modemLogStarted = ::android::base::GetBoolProperty(MODEM_LOGGING_STATUS_PROPERTY, false);
int maxFileNum = ::android::base::GetIntProperty(MODEM_LOGGING_NUMBER_BUGREPORT_PROPERTY, 100);
if (modemLogStarted) {
::android::base::SetProperty(MODEM_LOGGING_PROPERTY, "false");
ALOGD("Stopping modem logging...\n");
} else {
ALOGD("modem logging is not running\n");
}
for (int i = 0; i < 15; i++) {
if (!::android::base::GetBoolProperty(MODEM_LOGGING_STATUS_PROPERTY, false)) {
ALOGD("modem logging stopped\n");
sleep(1);
break;
}
sleep(1);
}
dumpLogs(fd, logDir, logAllDir, maxFileNum, MODEM_LOG_PREFIX);
if (modemLogStarted) {
ALOGD("Restarting modem logging...\n");
::android::base::SetProperty(MODEM_LOGGING_PROPERTY, "true");
}
}
endSection(fd, sectionName, startTime);
dumpTextSection(fd, kAllSections);
// Dump all module logs
if (!PropertiesHelper::IsUserBuild()) {
for (const auto &section : mLogSections) {
auto startTime = startSection(fd, section.first);
section.second(fd, logAllDir);
endSection(fd, section.first, startTime);
}
}
RunCommandToFd(fd, "TAR LOG", {"/vendor/bin/tar", "cvf", logCombined.c_str(), "-C", logAllDir.c_str(), "."}, CommandOptions::WithTimeout(20).Build());
RunCommandToFd(fd, "CHG PERM", {"/vendor/bin/chmod", "a+w", logCombined.c_str()}, CommandOptions::WithTimeout(2).Build());
std::vector<uint8_t> buffer(65536);
::android::base::unique_fd fdLog(TEMP_FAILURE_RETRY(open(logCombined.c_str(), O_RDONLY | O_CLOEXEC | O_NONBLOCK)));
if (fdLog >= 0) {
while (1) {
ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fdLog, buffer.data(), buffer.size()));
if (bytes_read == 0) {
break;
} else if (bytes_read < 0) {
ALOGD("read(%s): %s\n", logCombined.c_str(), strerror(errno));
break;
}
ssize_t result = TEMP_FAILURE_RETRY(write(fd_bin, buffer.data(), bytes_read));
if (result != bytes_read) {
ALOGD("Failed to write %ld bytes, actually written: %ld", bytes_read, result);
break;
}
}
}
RunCommandToFd(fd, "RM LOG DIR", { "/vendor/bin/rm", "-r", logAllDir.c_str()}, CommandOptions::WithTimeout(2).Build());
RunCommandToFd(fd, "RM LOG", { "/vendor/bin/rm", logCombined.c_str()}, CommandOptions::WithTimeout(2).Build());
}
ndk::ScopedAStatus Dumpstate::dumpstateBoard(const std::vector<::ndk::ScopedFileDescriptor>& in_fds,
IDumpstateDevice::DumpstateMode in_mode,
int64_t in_timeoutMillis) {
// Unused arguments.
(void) in_timeoutMillis;
(void) in_mode;
if (in_fds.size() < 1) {
ALOGE("no FDs\n");
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"No file descriptor");
}
int fd = in_fds[0].get();
if (fd < 0) {
ALOGE("invalid FD: %d\n", fd);
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"Invalid file descriptor");
}
if (in_fds.size() < 2) {
ALOGE("no FD for dumpstate_board binary\n");
} else {
int fd_bin = in_fds[1].get();
dumpLogSection(fd, fd_bin);
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Dumpstate::setVerboseLoggingEnabled(bool in_enable) {
::android::base::SetProperty(kVerboseLoggingProperty, in_enable ? "true" : "false");
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Dumpstate::getVerboseLoggingEnabled(bool* _aidl_return) {
*_aidl_return = ::android::base::GetBoolProperty(kVerboseLoggingProperty, false);
return ndk::ScopedAStatus::ok();
}
// Since AIDLs that support the dump() interface are automatically invoked during
// bugreport generation and we don't want to generate a second copy of the same
// data that will go into dumpstate_board.txt, this function will only do
// something if it is called with an option, e.g.
// dumpsys android.hardware.dumpstate.IDumpstateDevice/default all
//
// Also, note that sections which generate attachments and/or binary data when
// included in a bugreport are not available through the dump() interface.
binder_status_t Dumpstate::dump(int fd, const char** args, uint32_t numArgs) {
if (numArgs != 1) {
return STATUS_OK;
}
dumpTextSection(fd, static_cast<std::string>(args[0]));
fsync(fd);
return STATUS_OK;
}
} // namespace dumpstate
} // namespace hardware
} // namespace android
} // namespace aidl
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