incidentd can now handle multiple callers asking it for incident reports (99598ee6) · Commits · e / os / android_frameworks_base

Android.bp

+42 −5

Original line number	Diff line number	Diff line
		@@ -721,6 +721,7 @@ java_defaults {
		"frameworks/av/camera/aidl",
		"frameworks/av/media/libaudioclient/aidl",
		"frameworks/native/aidl/gui",
		"frameworks/native/libs/incidentcompanion/binder",
		"system/core/storaged/binder",
		"system/vold/binder",
		"system/gsid/aidl",
		@@ -968,7 +969,10 @@ java_library {
		output_params: ["store_unknown_fields=true"],
		include_dirs: ["external/protobuf/src"],
		},

		exclude_srcs: [
		"core/proto/android/privacy.proto",
		"core/proto/android/section.proto",
		],
		sdk_version: "current",
		srcs: [
		"core/proto/*/.proto",
		@@ -988,6 +992,10 @@ java_library {
		"core/proto/*/.proto",
		"libs/incident/proto/android/os/*/.proto",
		],
		exclude_srcs: [
		"core/proto/android/privacy.proto",
		"core/proto/android/section.proto",
		],
		// Protos have lots of MissingOverride and similar.
		errorprone: {
		javacflags: ["-XepDisableAllChecks"],
		@@ -995,9 +1003,9 @@ java_library {
		}

		// ==== c++ proto device library ==============================
		cc_library {
		name: "libplatformprotos",
		host_supported: true,
		cc_defaults {
		name: "libplatformprotos-defaults",

		proto: {
		export_proto_headers: true,
		include_dirs: ["external/protobuf/src"],
		@@ -1011,8 +1019,13 @@ cc_library {

		srcs: [
		"core/proto/*/.proto",
		"libs/incident/*/.proto",
		],
		}

		cc_library {
		name: "libplatformprotos",
		defaults: ["libplatformprotos-defaults"],
		host_supported: true,

		target: {
		host: {
		@@ -1024,6 +1037,9 @@ cc_library {
		proto: {
		type: "lite",
		},
		shared_libs: [
		"libprotobuf-cpp-lite",
		],
		shared: {
		enabled: false,
		},
		@@ -1031,6 +1047,26 @@ cc_library {
		},
		}

		// This is the full proto version of libplatformprotos. It may only
		// be used by test code that is not shipped on the device.
		cc_library {
		name: "libplatformprotos-test",
		defaults: ["libplatformprotos-defaults"],
		host_supported: false,

		target: {
		android: {
		proto: {
		type: "full",
		},
		shared: {
		enabled: false,
		},
		},
		},
		}


		gensrcs {
		name: "gen-platform-proto-constants",
		depfile: true,
		@@ -1068,6 +1104,7 @@ gensrcs {
		output_extension: "proto.h",
		}


		subdirs = [
		"cmds/*",
		"core/*",

cmds/incident/Android.bp

+4 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,10 @@ cc_binary {
		"libincident",
		],

		static_libs: [
		"libplatformprotos",
		],

		cflags: [
		"-Wall",
		"-Werror",

cmds/incident/main.cpp

+80 −15

Original line number	Diff line number	Diff line
		@@ -68,6 +68,7 @@ Status
		StatusListener::onReportSectionStatus(int32_t section, int32_t status)
		{
		fprintf(stderr, "section %d status %d\n", section, status);
		ALOGD("section %d status %d\n", section, status);
		return Status::ok();
		}

		@@ -75,6 +76,7 @@ Status
		StatusListener::onReportServiceStatus(const String16& service, int32_t status)
		{
		fprintf(stderr, "service '%s' status %d\n", String8(service).string(), status);
		ALOGD("service '%s' status %d\n", String8(service).string(), status);
		return Status::ok();
		}

		@@ -82,6 +84,7 @@ Status
		StatusListener::onReportFinished()
		{
		fprintf(stderr, "done\n");
		ALOGD("done\n");
		exit(0);
		return Status::ok();
		}
		@@ -90,6 +93,7 @@ Status
		StatusListener::onReportFailed()
		{
		fprintf(stderr, "failed\n");
		ALOGD("failed\n");
		exit(1);
		return Status::ok();
		}
		@@ -146,24 +150,49 @@ find_section(const char* name)

		// ================================================================================
		static int
		get_dest(const char* arg)
		get_privacy_policy(const char* arg)
		{
		if (strcmp(arg, "L") == 0
		\|\| strcmp(arg, "LOCAL") == 0) {
		return DEST_LOCAL;
		return PRIVACY_POLICY_LOCAL;
		}
		if (strcmp(arg, "E") == 0
		\|\| strcmp(arg, "EXPLICIT") == 0) {
		return DEST_EXPLICIT;
		return PRIVACY_POLICY_EXPLICIT;
		}
		if (strcmp(arg, "A") == 0
		\|\| strcmp(arg, "AUTO") == 0
		\|\| strcmp(arg, "AUTOMATIC") == 0) {
		return DEST_AUTOMATIC;
		return PRIVACY_POLICY_AUTOMATIC;
		}
		return -1; // return the default value
		}

		// ================================================================================
		static bool
		parse_receiver_arg(const string& arg, string* pkg, string* cls)
		{
		if (arg.length() == 0) {
		return true;
		}
		size_t slash = arg.find('/');
		if (slash == string::npos) {
		return false;
		}
		if (slash == 0 \|\| slash == arg.length() - 1) {
		return false;
		}
		if (arg.find('/', slash+1) != string::npos) {
		return false;
		}
		pkg->assign(arg, 0, slash);
		cls->assign(arg, slash+1);
		if ((*cls)[0] == '.') {
		cls = (pkg) + (*cls);
		}
		return true;
		}

		// ================================================================================
		static void
		usage(FILE* out)
		@@ -173,10 +202,13 @@ usage(FILE* out)
		fprintf(out, "Takes an incident report.\n");
		fprintf(out, "\n");
		fprintf(out, "OPTIONS\n");
		fprintf(out, " -l list available sections\n");
		fprintf(out, " -p privacy spec, LOCAL, EXPLICIT or AUTOMATIC. Default AUTOMATIC.\n");
		fprintf(out, "\n");
		fprintf(out, "and one of these destinations:\n");
		fprintf(out, " -b (default) print the report to stdout (in proto format)\n");
		fprintf(out, " -d send the report into dropbox\n");
		fprintf(out, " -l list available sections\n");
		fprintf(out, " -p privacy spec, LOCAL, EXPLICIT or AUTOMATIC\n");
		fprintf(out, " -s PKG/CLS send broadcast to the broadcast receiver.\n");
		fprintf(out, "\n");
		fprintf(out, " SECTION the field numbers of the incident report fields to include\n");
		fprintf(out, "\n");
		@@ -187,12 +219,13 @@ main(int argc, char** argv)
		{
		Status status;
		IncidentReportArgs args;
		enum { DEST_DROPBOX, DEST_STDOUT } destination = DEST_STDOUT;
		int dest = -1; // default
		enum { DEST_UNSET, DEST_DROPBOX, DEST_STDOUT, DEST_BROADCAST } destination = DEST_UNSET;
		int privacyPolicy = PRIVACY_POLICY_AUTOMATIC;
		string receiverArg;

		// Parse the args
		int opt;
		while ((opt = getopt(argc, argv, "bhdlp:")) != -1) {
		while ((opt = getopt(argc, argv, "bhdlp:s:")) != -1) {
		switch (opt) {
		case 'h':
		usage(stdout);
		@@ -201,13 +234,29 @@ main(int argc, char** argv)
		section_list(stdout);
		return 0;
		case 'b':
		if (!(destination == DEST_UNSET \|\| destination == DEST_STDOUT)) {
		usage(stderr);
		return 1;
		}
		destination = DEST_STDOUT;
		break;
		case 'd':
		if (!(destination == DEST_UNSET \|\| destination == DEST_DROPBOX)) {
		usage(stderr);
		return 1;
		}
		destination = DEST_DROPBOX;
		break;
		case 'p':
		dest = get_dest(optarg);
		privacyPolicy = get_privacy_policy(optarg);
		break;
		case 's':
		if (destination != DEST_UNSET) {
		usage(stderr);
		return 1;
		}
		destination = DEST_BROADCAST;
		receiverArg = optarg;
		break;
		default:
		usage(stderr);
		@@ -215,6 +264,17 @@ main(int argc, char** argv)
		}
		}

		string pkg;
		string cls;
		if (parse_receiver_arg(receiverArg, &pkg, &cls)) {
		args.setReceiverPkg(pkg);
		args.setReceiverCls(cls);
		} else {
		fprintf(stderr, "badly formatted -s package/class option: %s\n\n", receiverArg.c_str());
		usage(stderr);
		return 1;
		}

		if (optind == argc) {
		args.setAll(true);
		} else {
		@@ -236,7 +296,7 @@ main(int argc, char** argv)
		}
		}
		}
		args.setDest(dest);
		args.setPrivacyPolicy(privacyPolicy);

		// Start the thread pool.
		sp<ProcessState> ps(ProcessState::self());
		@@ -272,12 +332,17 @@ main(int argc, char** argv)
		//IPCThreadState::self()->joinThreadPool();

		while (true) {
		int amt = splice(fds[0], NULL, STDOUT_FILENO, NULL, 4096, 0);
		fprintf(stderr, "spliced %d bytes\n", amt);
		uint8_t buf[4096];
		ssize_t amt = TEMP_FAILURE_RETRY(read(fds[0], buf, sizeof(buf)));
		if (amt < 0) {
		return errno;
		break;
		} else if (amt == 0) {
		return 0;
		break;
		}

		ssize_t wamt = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buf, amt));
		if (wamt != amt) {
		return errno;
		}
		}
		} else {

cmds/incidentd/Android.bp

+27 −3

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ cc_binary {

		srcs: [
		"src/*/.cpp",
		"src/*/.proto",
		":incidentd_section_list",
		],

		@@ -43,6 +44,10 @@ cc_binary {
		local_include_dirs: ["src"],
		generated_headers: ["gen-platform-proto-constants"],

		proto: {
		type: "lite",
		},

		shared_libs: [
		"libbase",
		"libbinder",
		@@ -56,6 +61,11 @@ cc_binary {
		"libprotobuf-cpp-lite",
		],

		static_libs: [
		"libincidentcompanion",
		"libplatformprotos",
		],

		init_rc: ["incidentd.rc"],
		}

		@@ -72,6 +82,7 @@ cc_test {
		"-Wall",
		"-Wno-unused-variable",
		"-Wunused-parameter",
		"-g",

		// Allow implicit fallthrough in IncidentService.cpp:85 until it is fixed.
		"-Wno-error=implicit-fallthrough",
		@@ -82,21 +93,26 @@ cc_test {

		srcs: [
		"tests/*/.cpp",
		"src/PrivacyBuffer.cpp",
		"tests/*/.proto",
		"src/FdBuffer.cpp",
		"src/Privacy.cpp",
		"src/PrivacyFilter.cpp",
		"src/Reporter.cpp",
		"src/Section.cpp",
		"src/Throttler.cpp",
		"src/WorkDirectory.cpp",
		"src/incidentd_util.cpp",
		"src/proto_util.cpp",
		"src/report_directory.cpp",
		"src/*/.proto",
		],

		data: ["testdata/*/"],

		static_libs: [
		"libgmock",
		"libplatformprotos",
		"libincidentcompanion",
		"libplatformprotos-test",
		],
		shared_libs: [
		"libbase",
		@@ -105,11 +121,19 @@ cc_test {
		"libdumputils",
		"libincident",
		"liblog",
		"libprotobuf-cpp-lite",
		"libprotobuf-cpp-full",
		"libprotoutil",
		"libservices",
		"libutils",
		],

		target: {
		android: {
		proto: {
		type: "full",
		},
		},
		},
		}

		genrule {

cmds/incidentd/src/Broadcaster.cpp

0 → 100644

+440 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 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.
		*/

		#include "Log.h"

		#include "Broadcaster.h"

		#include "IncidentService.h"

		#include <android/os/DropBoxManager.h>
		#include <binder/IServiceManager.h>

		namespace android {
		namespace os {
		namespace incidentd {

		using android::os::IIncidentCompanion;
		using binder::Status;

		// ============================================================
		Broadcaster::ConsentListener::ConsentListener(const sp<Broadcaster>& broadcaster,
		const ReportId& reportId)
		:mBroadcaster(broadcaster),
		mId(reportId) {
		}

		Broadcaster::ConsentListener::~ConsentListener() {
		}

		Status Broadcaster::ConsentListener::onReportApproved() {
		mBroadcaster->report_approved(mId);
		return Status::ok();
		}

		Status Broadcaster::ConsentListener::onReportDenied() {
		mBroadcaster->report_denied(mId);
		return Status::ok();
		}

		// ============================================================
		Broadcaster::ReportId::ReportId()
		:id(),
		pkg(),
		cls() {
		}

		Broadcaster::ReportId::ReportId(const ReportId& that)
		:id(that.id),
		pkg(that.pkg),
		cls(that.cls) {
		}

		Broadcaster::ReportId::ReportId(const string& i, const string& p, const string& c)
		:id(i),
		pkg(p),
		cls(c) {
		}

		Broadcaster::ReportId::~ReportId() {
		}

		bool Broadcaster::ReportId::operator<(const ReportId& that) const {
		if (id < that.id) {
		return true;
		}
		if (id > that.id) {
		return false;
		}
		if (pkg < that.pkg) {
		return true;
		}
		if (pkg > that.pkg) {
		return false;
		}
		if (cls < that.cls) {
		return true;
		}
		return false;
		}

		// ============================================================
		Broadcaster::ReportStatus::ReportStatus()
		:approval_sent(false),
		ready_sent(false),
		listener(nullptr) {
		}

		Broadcaster::ReportStatus::ReportStatus(const ReportStatus& that)
		:approval_sent(that.approval_sent),
		ready_sent(that.ready_sent),
		listener(that.listener) {
		}

		Broadcaster::ReportStatus::~ReportStatus() {
		}

		// ============================================================
		Broadcaster::Broadcaster(const sp<WorkDirectory>& workDirectory)
		:mReportHandler(),
		mWorkDirectory(workDirectory) {
		}

		void Broadcaster::setHandler(const sp<ReportHandler>& handler) {
		mReportHandler = handler;
		}

		void Broadcaster::reset() {
		unique_lock<mutex> lock(mLock);
		mLastSent = 0;
		mHistory.clear();
		// Could cancel the listeners, but this happens when
		// the system process crashes, so don't bother.
		}

		void Broadcaster::clearBroadcasts(const string& pkg, const string& cls, const string& id) {
		unique_lock<mutex> lock(mLock);

		map<ReportId,ReportStatus>::const_iterator found = mHistory.find(ReportId(id, pkg, cls));
		if (found != mHistory.end()) {
		if (found->second.listener != nullptr) {
		sp<IIncidentCompanion> ics = get_incident_companion();
		if (ics != nullptr) {
		ics->cancelAuthorization(found->second.listener);
		}
		}
		mHistory.erase(found);
		}
		}

		void Broadcaster::clearPackageBroadcasts(const string& pkg) {
		unique_lock<mutex> lock(mLock);

		map<ReportId,ReportStatus>::iterator it = mHistory.begin();
		while (it != mHistory.end()) {
		if (it->first.pkg == pkg) {
		if (it->second.listener != nullptr) {
		sp<IIncidentCompanion> ics = get_incident_companion();
		if (ics != nullptr) {
		ics->cancelAuthorization(it->second.listener);
		}
		}
		it = mHistory.erase(it);
		} else {
		it++;
		}
		}
		}

		Broadcaster::broadcast_status_t Broadcaster::sendBroadcasts() {
		int err;
		int64_t lastSent = get_last_sent();

		vector<sp<ReportFile>> files;
		mWorkDirectory->getReports(&files, 0); //lastSent);

		// Don't send multiple broadcasts to the same receiver.
		set<ReportId> reportReadyBroadcasts;

		for (const sp<ReportFile>& file: files) {
		err = file->loadEnvelope();
		if (err != NO_ERROR) {
		ALOGW("Error (%s) loading envelope from %s", strerror(-err),
		file->getEnvelopeFileName().c_str());
		continue;
		}

		const ReportFileProto& envelope = file->getEnvelope();

		if (!envelope.completed()) {
		ALOGI("Incident report not completed skipping it: %s",
		file->getEnvelopeFileName().c_str());
		continue;
		}

		// When one of the broadcast functions in this loop fails, it's almost
		// certainly because the system process is crashing or has crashed. Rather
		// than continuing to pound on the system process and potentially make things
		// worse, we bail right away, return BROADCASTS_BACKOFF, and we will try
		// again later. In the meantime, if the system process did crash, it might
		// clear out mHistory, which means we'll be back here again to send the
		// backlog.
		size_t reportCount = envelope.report_size();
		bool hasApprovalPending = false;
		for (int reportIndex = 0; reportIndex < reportCount; reportIndex++) {

		const ReportFileProto_Report& report = envelope.report(reportIndex);
		status_t err;
		if (report.privacy_policy() == PRIVACY_POLICY_AUTOMATIC \|\| report.share_approved()) {
		// It's privacy policy is AUTO, or it's been approved,
		// so send the actual broadcast.
		if (!was_ready_sent(file->getId(), report.pkg(), report.cls())) {
		if (report.pkg() == DROPBOX_SENTINEL.getPackageName()
		&& report.cls() == DROPBOX_SENTINEL.getClassName()) {
		IncidentReportArgs args;
		get_args_from_report(&args, report);
		err = send_to_dropbox(file, args);
		if (err != NO_ERROR) {
		return BROADCASTS_BACKOFF;
		}
		} else {
		reportReadyBroadcasts.insert(ReportId(file->getId(), report.pkg(),
		report.cls()));
		}
		}
		} else {
		// It's not approved yet, so send the approval.
		if (!was_approval_sent(file->getId(), report.pkg(), report.cls())) {
		err = send_approval_broadcasts(file->getId(), report.pkg(), report.cls());
		if (err != NO_ERROR) {
		return BROADCASTS_BACKOFF;
		}
		hasApprovalPending = true;
		}
		}
		}

		lastSent = file->getTimestampNs();
		if (!hasApprovalPending) {
		set_last_sent(lastSent);
		}
		}

		for (const ReportId& report: reportReadyBroadcasts) {
		err = send_report_ready_broadcasts(report.id, report.pkg, report.cls);
		if (err != NO_ERROR) {
		return BROADCASTS_BACKOFF;
		}
		}

		return mWorkDirectory->hasMore(lastSent) ? BROADCASTS_REPEAT : BROADCASTS_FINISHED;
		}

		void Broadcaster::set_last_sent(int64_t timestamp) {
		unique_lock<mutex> lock(mLock);
		mLastSent = timestamp;
		}

		int64_t Broadcaster::get_last_sent() {
		unique_lock<mutex> lock(mLock);
		return mLastSent;
		}

		/*
		void Broadcaster::printReportStatuses() const {
		ALOGD("mHistory {");
		for (map<ReportId,ReportStatus>::const_iterator it = mHistory.begin();
		it != mHistory.end(); it++) {
		ALOGD(" [%s %s] --> [%d %d]", it->first.id.c_str(), it->first.pkg.c_str(),
		it->second.approval_sent, it->second.ready_sent);
		}
		ALOGD("}");
		}
		*/

		bool Broadcaster::was_approval_sent(const string& id, const string& pkg, const string& cls) {
		unique_lock<mutex> lock(mLock);
		map<ReportId,ReportStatus>::const_iterator found = mHistory.find(ReportId(id, pkg, cls));
		if (found != mHistory.end()) {
		return found->second.approval_sent;
		}
		return false;
		}

		void Broadcaster::set_approval_sent(const string& id, const string& pkg, const string& cls,
		const sp<ConsentListener>& listener) {
		unique_lock<mutex> lock(mLock);
		ReportStatus& reportStatus = mHistory[ReportId(id, pkg, cls)];
		reportStatus.approval_sent = true;
		reportStatus.listener = listener;
		}

		bool Broadcaster::was_ready_sent(const string& id, const string& pkg, const string& cls) {
		unique_lock<mutex> lock(mLock);
		map<ReportId,ReportStatus>::const_iterator found = mHistory.find(ReportId(id, pkg, cls));
		if (found != mHistory.end()) {
		return found->second.ready_sent;
		}
		return false;
		}

		void Broadcaster::set_ready_sent(const string& id, const string& pkg, const string& cls) {
		unique_lock<mutex> lock(mLock);
		mHistory[ReportId(id, pkg, cls)].ready_sent = true;
		}

		status_t Broadcaster::send_approval_broadcasts(const string& id, const string& pkg,
		const string& cls) {
		sp<IIncidentCompanion> ics = get_incident_companion();
		if (ics == nullptr) {
		return NAME_NOT_FOUND;
		}

		sp<ConsentListener> listener = new ConsentListener(this, ReportId(id, pkg, cls));

		ALOGI("send_approval_broadcasts for %s %s/%s", id.c_str(), pkg.c_str(), cls.c_str());

		Status status = ics->authorizeReport(0, String16(pkg.c_str()),
		String16(cls.c_str()), String16(id.c_str()), 0, listener);

		if (!status.isOk()) {
		// authorizeReport is oneway, so any error is a transaction error.
		return status.transactionError();
		}

		set_approval_sent(id, pkg, cls, listener);

		return NO_ERROR;
		}

		void Broadcaster::report_approved(const ReportId& reportId) {
		status_t err;

		// Kick off broadcaster to do send the ready broadcasts.
		ALOGI("The user approved the report, so kicking off another broadcast pass. %s %s/%s",
		reportId.id.c_str(), reportId.pkg.c_str(), reportId.cls.c_str());
		sp<ReportFile> file = mWorkDirectory->getReport(reportId.pkg, reportId.cls, reportId.id,
		nullptr);
		if (file != nullptr) {
		err = file->loadEnvelope();
		if (err != NO_ERROR) {
		return;
		}

		err = file->markApproved(reportId.pkg, reportId.cls);
		if (err != NO_ERROR) {
		ALOGI("Couldn't find report that was just approved: %s %s/%s",
		reportId.id.c_str(), reportId.pkg.c_str(), reportId.cls.c_str());
		return;
		}

		file->saveEnvelope();
		if (err != NO_ERROR) {
		return;
		}
		}
		mReportHandler->scheduleSendBacklog();
		}

		void Broadcaster::report_denied(const ReportId& reportId) {
		// The user didn't approve the report, so remove it from the WorkDirectory.
		ALOGI("The user denied the report, so deleting it. %s %s/%s",
		reportId.id.c_str(), reportId.pkg.c_str(), reportId.cls.c_str());
		sp<ReportFile> file = mWorkDirectory->getReport(reportId.pkg, reportId.cls, reportId.id,
		nullptr);
		if (file != nullptr) {
		mWorkDirectory->commit(file, reportId.pkg, reportId.cls);
		}
		}

		status_t Broadcaster::send_report_ready_broadcasts(const string& id, const string& pkg,
		const string& cls) {
		sp<IIncidentCompanion> ics = get_incident_companion();
		if (ics == nullptr) {
		return NAME_NOT_FOUND;
		}

		ALOGI("send_report_ready_broadcasts for %s %s/%s", id.c_str(), pkg.c_str(), cls.c_str());

		Status status = ics->sendReportReadyBroadcast(String16(pkg.c_str()), String16(cls.c_str()));

		if (!status.isOk()) {
		// sendReportReadyBroadcast is oneway, so any error is a transaction error.
		return status.transactionError();
		}

		set_ready_sent(id, pkg, cls);

		return NO_ERROR;
		}

		status_t Broadcaster::send_to_dropbox(const sp<ReportFile>& file,
		const IncidentReportArgs& args) {
		status_t err;

		sp<DropBoxManager> dropbox = new DropBoxManager();
		if (dropbox == nullptr) {
		ALOGW("Can't reach dropbox now, so we won't be able to write the incident report to there");
		return NO_ERROR;
		}

		// Start a thread to write the data to dropbox.
		int readFd = -1;
		err = file->startFilteringData(&readFd, args);
		if (err != NO_ERROR) {
		return err;
		}

		// Takes ownership of readFd.
		Status status = dropbox->addFile(String16("incident"), readFd, 0);
		if (!status.isOk()) {
		// TODO: This may or may not leak the readFd, depending on where it failed.
		// Not sure how to fix this given the dropbox API.
		ALOGW("Error sending incident report to dropbox.");
		return -errno;
		}

		// On successful write, tell the working directory that this file is done.
		mWorkDirectory->commit(file, DROPBOX_SENTINEL.getPackageName(),
		DROPBOX_SENTINEL.getClassName());

		// Don't need to call set_ready_sent, because we just removed it from the ReportFile,
		// so we'll never hear about it again.

		return NO_ERROR;
		}

		sp<IIncidentCompanion> Broadcaster::get_incident_companion() {
		sp<IBinder> binder = defaultServiceManager()->getService(String16("incidentcompanion"));
		if (binder == nullptr) {
		ALOGI("Can not find IIncidentCompanion service to send broadcast. Will try again later.");
		return nullptr;
		}

		sp<IIncidentCompanion> ics = interface_cast<IIncidentCompanion>(binder);
		if (ics == nullptr) {
		ALOGI("The incidentcompanion service is not an IIncidentCompanion. Will try again later.");
		return nullptr;
		}

		return ics;
		}

		} // namespace incidentd
		} // namespace os
		} // namespace android