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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"
#define ATRACE_TAG ATRACE_TAG_ALWAYS
#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 <cutils/trace.h>
#include <log/log.h>
#include <sys/stat.h>
#include <dump/pixel_dump.h>
#include "Dumpstate.h"
#include "DumpstateUtil.h"
#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 {
typedef std::chrono::time_point<std::chrono::steady_clock> timepoint_t;
const char kVerboseLoggingProperty[] = "persist.vendor.verbose_logging_enabled";
timepoint_t startSection(int fd, const std::string §ionName) {
ATRACE_BEGIN(sectionName.c_str());
::android::base::WriteStringToFd(
"\n"
"------ Section start: " + sectionName + " ------\n"
"\n", fd);
return std::chrono::steady_clock::now();
}
void endSection(int fd, const std::string §ionName, timepoint_t startTime) {
ATRACE_END();
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);
}
// 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 §ionName) {
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}, CommandOptions::WithTimeout(15).Build());
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 available from the command line.\n", fd);
}
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());
dumpTextSection(fd, kAllSections);
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 %zd bytes, actually written: %zd", 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) {
ATRACE_BEGIN("dumpstateBoard");
// Unused arguments.
(void) in_timeoutMillis;
if (in_mode < IDumpstateDevice::DumpstateMode::FULL || in_mode > IDumpstateDevice::DumpstateMode::PROTO) {
ALOGE("Invalid mode: %d\n", in_mode);
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT, "Invalid 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");
dumpTextSection(fd, "");
} else {
int fd_bin = in_fds[1].get();
dumpLogSection(fd, fd_bin);
}
ATRACE_END();
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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