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Merge changes I978ac321,I5675a80c,I56ef3cc4,I1cdaf002 am: 2ff0a7bd58 am: 3bb4823ce5

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Change-Id: Iccbb591430093ac42fa813648fa4ece4b17a0ea3
This commit is contained in:
Automerger Merge Worker
2020-01-11 01:17:27 +00:00
parent a6f8a96d6d 3bb4823ce5
commit 00f335412b
29 changed files with 1387 additions and 801 deletions
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58
cmds/statsd/Android.bp
View File

@@ -140,11 +140,69 @@ cc_defaults {
"android.hardware.power@1.1",
"android.hardware.power.stats@1.0",
"libpackagelistparser",
"libstatsmetadata",
"libsysutils",
"libcutils",
],
}
// ================
// libstatsmetadata
// ================
genrule {
name: "atoms_info.h",
tools: ["stats-log-api-gen"],
cmd: "$(location stats-log-api-gen) --atomsInfoHeader $(genDir)/atoms_info.h",
out: [
"atoms_info.h",
],
}
genrule {
name: "atoms_info.cpp",
tools: ["stats-log-api-gen"],
cmd: "$(location stats-log-api-gen) --atomsInfoCpp $(genDir)/atoms_info.cpp",
out: [
"atoms_info.cpp",
],
}
cc_library_shared {
name: "libstatsmetadata",
host_supported: true,
generated_sources: [
"atoms_info.cpp",
],
generated_headers: [
"atoms_info.h",
],
cflags: [
"-Wall",
"-Werror",
],
export_generated_headers: [
"atoms_info.h",
],
shared_libs: [
"libcutils",
"libstatslog",
],
target: {
android: {
shared_libs: [
"libutils",
],
},
host: {
static_libs: [
"libutils",
],
},
},
}
// =========
// statsd
// =========

2
cmds/statsd/src/FieldValue.cpp
View File

@@ -18,8 +18,8 @@
#include "Log.h"
#include "FieldValue.h"
#include "HashableDimensionKey.h"
#include "atoms_info.h"
#include "math.h"
#include "statslog.h"
namespace android {
namespace os {

1
cmds/statsd/src/StatsLogProcessor.cpp
View File

@@ -23,6 +23,7 @@
#include <frameworks/base/cmds/statsd/src/active_config_list.pb.h>
#include "StatsLogProcessor.h"
#include "android-base/stringprintf.h"
#include "atoms_info.h"
#include "external/StatsPullerManager.h"
#include "guardrail/StatsdStats.h"
#include "metrics/CountMetricProducer.h"

1
cmds/statsd/src/external/PowerStatsPuller.cpp vendored
View File

@@ -22,6 +22,7 @@
#include <vector>
#include "PowerStatsPuller.h"
#include "statslog.h"
#include "stats_log_util.h"
using android::hardware::hidl_vec;

2
cmds/statsd/src/external/puller_util.cpp vendored
View File

@@ -18,8 +18,8 @@
#include "Log.h"
#include "StatsPullerManager.h"
#include "atoms_info.h"
#include "puller_util.h"
#include "statslog.h"
namespace android {
namespace os {

2
cmds/statsd/src/guardrail/StatsdStats.h
View File

@@ -16,7 +16,7 @@
#pragma once
#include "config/ConfigKey.h"
#include "statslog.h"
#include "atoms_info.h"
#include <gtest/gtest_prod.h>
#include <log/log_time.h>

1
cmds/statsd/src/metrics/MetricsManager.cpp
View File

@@ -19,6 +19,7 @@
#include "statslog.h"
#include "CountMetricProducer.h"
#include "atoms_info.h"
#include "condition/CombinationConditionTracker.h"
#include "condition/SimpleConditionTracker.h"
#include "guardrail/StatsdStats.h"

2
cmds/statsd/src/metrics/metrics_manager_util.cpp
View File

@@ -32,8 +32,8 @@
#include "../metrics/GaugeMetricProducer.h"
#include "../metrics/ValueMetricProducer.h"
#include "atoms_info.h"
#include "stats_util.h"
#include "statslog.h"
#include <inttypes.h>

2
cmds/statsd/src/stats_log_util.h
View File

@@ -19,9 +19,9 @@
#include <android/util/ProtoOutputStream.h>
#include "FieldValue.h"
#include "HashableDimensionKey.h"
#include "atoms_info.h"
#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
#include "guardrail/StatsdStats.h"
#include "statslog.h"
namespace android {
namespace os {

1
cmds/statsd/tests/external/GpuStatsPuller_test.cpp vendored
View File

@@ -24,6 +24,7 @@
#include <log/log.h>
#include "src/external/GpuStatsPuller.h"
#include "statslog.h"
#ifdef __ANDROID__

1
cmds/statsd/tests/external/puller_util_test.cpp vendored
View File

@@ -17,6 +17,7 @@
#include <gtest/gtest.h>
#include <stdio.h>
#include <vector>
#include "statslog.h"
#include "../metrics/metrics_test_helper.h"
#ifdef __ANDROID__

68
core/java/android/util/StatsEvent.java
View File

@@ -31,14 +31,23 @@ import com.android.internal.annotations.VisibleForTesting;
*
* <p>Usage:</p>
* <pre>
* // Pushed event
* StatsEvent statsEvent = StatsEvent.newBuilder()
* .setAtomId(atomId)
* .writeBoolean(false)
* .writeString("annotated String field")
* .addBooleanAnnotation(annotationId, true)
* .usePooledBuffer()
* .build();
* StatsLog.write(statsEvent);
*
* // Pulled event
* StatsEvent statsEvent = StatsEvent.newBuilder()
* .setAtomId(atomId)
* .writeBoolean(false)
* .writeString("annotated String field")
* .addBooleanAnnotation(annotationId, true)
* .build();
*
* StatsLog.write(statsEvent);
* </pre>
* @hide
**/
@@ -210,12 +219,15 @@ public final class StatsEvent {
private static final int MAX_PAYLOAD_SIZE = LOGGER_ENTRY_MAX_PAYLOAD - 4;
private final int mAtomId;
private final Buffer mBuffer;
private final byte[] mPayload;
private Buffer mBuffer;
private final int mNumBytes;
private StatsEvent(final int atomId, @NonNull final Buffer buffer, final int numBytes) {
private StatsEvent(final int atomId, @Nullable final Buffer buffer,
@NonNull final byte[] payload, final int numBytes) {
mAtomId = atomId;
mBuffer = buffer;
mPayload = payload;
mNumBytes = numBytes;
}
@@ -243,7 +255,7 @@ public final class StatsEvent {
**/
@NonNull
public byte[] getBytes() {
return mBuffer.getBytes();
return mPayload;
}
/**
@@ -256,10 +268,14 @@ public final class StatsEvent {
}
/**
* Recycle this StatsEvent object.
* Recycle resources used by this StatsEvent object.
* No actions should be taken on this StatsEvent after release() is called.
**/
public void release() {
mBuffer.release();
if (mBuffer != null) {
mBuffer.release();
mBuffer = null;
}
}
/**
@@ -280,7 +296,18 @@ public final class StatsEvent {
* optional string field3 = 3 [(annotation1) = true];
* }
*
* // StatsEvent construction.
* // StatsEvent construction for pushed event.
* StatsEvent.newBuilder()
* StatsEvent statsEvent = StatsEvent.newBuilder()
* .setAtomId(atomId)
* .writeInt(3) // field1
* .writeLong(8L) // field2
* .writeString("foo") // field 3
* .addBooleanAnnotation(annotation1Id, true)
* .usePooledBuffer()
* .build();
*
* // StatsEvent construction for pulled event.
* StatsEvent.newBuilder()
* StatsEvent statsEvent = StatsEvent.newBuilder()
* .setAtomId(atomId)
@@ -306,6 +333,7 @@ public final class StatsEvent {
private byte mLastType;
private int mNumElements;
private int mErrorMask;
private boolean mUsePooledBuffer = false;
private Builder(final Buffer buffer) {
mBuffer = buffer;
@@ -568,6 +596,17 @@ public final class StatsEvent {
return this;
}
/**
* Indicates to reuse Buffer's byte array as the underlying payload in StatsEvent.
* This should be called for pushed events to reduce memory allocations and garbage
* collections.
**/
@NonNull
public Builder usePooledBuffer() {
mUsePooledBuffer = true;
return this;
}
/**
* Builds a StatsEvent object with values entered in this Builder.
**/
@@ -599,7 +638,18 @@ public final class StatsEvent {
size = mPos;
}
return new StatsEvent(mAtomId, mBuffer, size);
if (mUsePooledBuffer) {
return new StatsEvent(mAtomId, mBuffer, mBuffer.getBytes(), size);
} else {
// Create a copy of the buffer with the required number of bytes.
final byte[] payload = new byte[size];
System.arraycopy(mBuffer.getBytes(), 0, payload, 0, size);
// Return Buffer instance to the pool.
mBuffer.release();
return new StatsEvent(mAtomId, null, payload, size);
}
}
private void writeTypeId(final byte typeId) {

3
core/java/android/util/StatsLog.java
View File

@@ -248,12 +248,15 @@ public final class StatsLog extends StatsLogInternal {
/**
* Write an event to stats log using the raw format encapsulated in StatsEvent.
* After writing to stats log, release() is called on the StatsEvent object.
* No further action should be taken on the StatsEvent object following this call.
*
* @param statsEvent The StatsEvent object containing the encoded buffer of data to write.
* @hide
*/
public static void write(@NonNull final StatsEvent statsEvent) {
writeImpl(statsEvent.getBytes(), statsEvent.getNumBytes(), statsEvent.getAtomId());
statsEvent.release();
}
private static void enforceDumpCallingPermission(Context context) {

7
core/tests/coretests/src/android/util/StatsEventTest.java
View File

@@ -44,7 +44,7 @@ public class StatsEventTest {
@Test
public void testNoFields() {
final long minTimestamp = SystemClock.elapsedRealtimeNanos();
final StatsEvent statsEvent = StatsEvent.newBuilder().build();
final StatsEvent statsEvent = StatsEvent.newBuilder().usePooledBuffer().build();
final long maxTimestamp = SystemClock.elapsedRealtimeNanos();
final int expectedAtomId = 0;
@@ -99,6 +99,7 @@ public class StatsEventTest {
.writeBoolean(field2)
.writeInt(field3)
.writeInt(field4)
.usePooledBuffer()
.build();
final long maxTimestamp = SystemClock.elapsedRealtimeNanos();
@@ -167,6 +168,7 @@ public class StatsEventTest {
.writeString(field1)
.writeFloat(field2)
.writeByteArray(field3)
.usePooledBuffer()
.build();
final long maxTimestamp = SystemClock.elapsedRealtimeNanos();
@@ -230,6 +232,7 @@ public class StatsEventTest {
.setAtomId(expectedAtomId)
.writeAttributionChain(uids, tags)
.writeLong(field2)
.usePooledBuffer()
.build();
final long maxTimestamp = SystemClock.elapsedRealtimeNanos();
@@ -299,6 +302,7 @@ public class StatsEventTest {
final StatsEvent statsEvent = StatsEvent.newBuilder()
.setAtomId(expectedAtomId)
.writeKeyValuePairs(intMap, longMap, stringMap, floatMap)
.usePooledBuffer()
.build();
final long maxTimestamp = SystemClock.elapsedRealtimeNanos();
@@ -392,6 +396,7 @@ public class StatsEventTest {
.addBooleanAnnotation(field1AnnotationId, field1AnnotationValue)
.writeBoolean(field2)
.addIntAnnotation(field2AnnotationId, field2AnnotationValue)
.usePooledBuffer()
.build();
final long maxTimestamp = SystemClock.elapsedRealtimeNanos();

16
tools/stats_log_api_gen/Android.bp
View File

@@ -21,9 +21,12 @@ cc_binary_host {
name: "stats-log-api-gen",
srcs: [
"Collation.cpp",
"atoms_info_writer.cpp",
"java_writer.cpp",
"java_writer_q.cpp",
"main.cpp",
"native_writer.cpp",
"native_writer_q.cpp",
"utils.cpp",
],
cflags: [
@@ -102,13 +105,19 @@ genrule {
cc_library {
name: "libstatslog",
host_supported: true,
generated_sources: ["statslog.cpp"],
generated_headers: ["statslog.h"],
generated_sources: [
"statslog.cpp",
],
generated_headers: [
"statslog.h"
],
cflags: [
"-Wall",
"-Werror",
],
export_generated_headers: ["statslog.h"],
export_generated_headers: [
"statslog.h"
],
shared_libs: [
"liblog",
"libcutils",
@@ -127,3 +136,4 @@ cc_library {
},
},
}

7
tools/stats_log_api_gen/Collation.cpp
View File

@@ -379,6 +379,7 @@ int collate_atoms(const Descriptor *descriptor, Atoms *atoms) {
int errorCount = 0;
const bool dbg = false;
int maxPushedAtomId = 2;
for (int i = 0; i < descriptor->field_count(); i++) {
const FieldDescriptor *atomField = descriptor->field(i);
@@ -447,8 +448,14 @@ int collate_atoms(const Descriptor *descriptor, Atoms *atoms) {
}
atoms->non_chained_decls.insert(nonChainedAtomDecl);
}
if (atomDecl.code < PULL_ATOM_START_ID && atomDecl.code > maxPushedAtomId) {
maxPushedAtomId = atomDecl.code;
}
}
atoms->maxPushedAtomId = maxPushedAtomId;
if (dbg) {
printf("signatures = [\n");
for (map<vector<java_type_t>, set<string>>::const_iterator it =

3
tools/stats_log_api_gen/Collation.h
View File

@@ -111,6 +111,7 @@ struct Atoms {
set<AtomDecl> decls;
set<AtomDecl> non_chained_decls;
map<vector<java_type_t>, set<string>> non_chained_signatures_to_modules;
int maxPushedAtomId;
};
/**
@@ -123,4 +124,4 @@ int collate_atom(const Descriptor *atom, AtomDecl *atomDecl, vector<java_type_t>
} // namespace android
#endif // ANDROID_STATS_LOG_API_GEN_COLLATION_H
#endif // ANDROID_STATS_LOG_API_GEN_COLLATION_H

227
tools/stats_log_api_gen/atoms_info_writer.cpp Normal file
View File

@@ -0,0 +1,227 @@
/*
* Copyright (C) 2019, 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 "atoms_info_writer.h"
#include "utils.h"
#include <map>
#include <set>
#include <vector>
namespace android {
namespace stats_log_api_gen {
static void write_atoms_info_header_body(FILE* out, const Atoms& atoms) {
fprintf(out, "struct StateAtomFieldOptions {\n");
fprintf(out, " std::vector<int> primaryFields;\n");
fprintf(out, " int exclusiveField;\n");
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out, "struct AtomsInfo {\n");
fprintf(out,
" const static std::set<int> "
"kTruncatingTimestampAtomBlackList;\n");
fprintf(out, " const static std::map<int, int> kAtomsWithUidField;\n");
fprintf(out,
" const static std::set<int> kAtomsWithAttributionChain;\n");
fprintf(out,
" const static std::map<int, StateAtomFieldOptions> "
"kStateAtomsFieldOptions;\n");
fprintf(out,
" const static std::map<int, std::vector<int>> "
"kBytesFieldAtoms;\n");
fprintf(out,
" const static std::set<int> kWhitelistedAtoms;\n");
fprintf(out, "};\n");
fprintf(out, "const static int kMaxPushedAtomId = %d;\n\n", atoms.maxPushedAtomId);
}
static void write_atoms_info_cpp_body(FILE* out, const Atoms& atoms) {
std::set<string> kTruncatingAtomNames = {"mobile_radio_power_state_changed",
"audio_state_changed",
"call_state_changed",
"phone_signal_strength_changed",
"mobile_bytes_transfer_by_fg_bg",
"mobile_bytes_transfer"};
fprintf(out,
"const std::set<int> "
"AtomsInfo::kTruncatingTimestampAtomBlackList = {\n");
for (set<string>::const_iterator blacklistedAtom = kTruncatingAtomNames.begin();
blacklistedAtom != kTruncatingAtomNames.end(); blacklistedAtom++) {
fprintf(out, " %s,\n", make_constant_name(*blacklistedAtom).c_str());
}
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out,
"const std::set<int> AtomsInfo::kAtomsWithAttributionChain = {\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
for (vector<AtomField>::const_iterator field = atom->fields.begin();
field != atom->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
string constant = make_constant_name(atom->name);
fprintf(out, " %s,\n", constant.c_str());
break;
}
}
}
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out,
"const std::set<int> AtomsInfo::kWhitelistedAtoms = {\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->whitelisted) {
string constant = make_constant_name(atom->name);
fprintf(out, " %s,\n", constant.c_str());
}
}
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out, "static std::map<int, int> getAtomUidField() {\n");
fprintf(out, " std::map<int, int> uidField;\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->uidField == 0) {
continue;
}
fprintf(out,
"\n // Adding uid field for atom "
"(%d)%s\n",
atom->code, atom->name.c_str());
fprintf(out, " uidField[static_cast<int>(%s)] = %d;\n",
make_constant_name(atom->name).c_str(), atom->uidField);
}
fprintf(out, " return uidField;\n");
fprintf(out, "};\n");
fprintf(out,
"const std::map<int, int> AtomsInfo::kAtomsWithUidField = "
"getAtomUidField();\n");
fprintf(out,
"static std::map<int, StateAtomFieldOptions> "
"getStateAtomFieldOptions() {\n");
fprintf(out, " std::map<int, StateAtomFieldOptions> options;\n");
fprintf(out, " StateAtomFieldOptions opt;\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->primaryFields.size() == 0 && atom->exclusiveField == 0) {
continue;
}
fprintf(out,
"\n // Adding primary and exclusive fields for atom "
"(%d)%s\n",
atom->code, atom->name.c_str());
fprintf(out, " opt.primaryFields.clear();\n");
for (const auto& field : atom->primaryFields) {
fprintf(out, " opt.primaryFields.push_back(%d);\n", field);
}
fprintf(out, " opt.exclusiveField = %d;\n", atom->exclusiveField);
fprintf(out, " options[static_cast<int>(%s)] = opt;\n",
make_constant_name(atom->name).c_str());
}
fprintf(out, " return options;\n");
fprintf(out, "}\n");
fprintf(out,
"const std::map<int, StateAtomFieldOptions> "
"AtomsInfo::kStateAtomsFieldOptions = "
"getStateAtomFieldOptions();\n");
fprintf(out,
"static std::map<int, std::vector<int>> "
"getBinaryFieldAtoms() {\n");
fprintf(out, " std::map<int, std::vector<int>> options;\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->binaryFields.size() == 0) {
continue;
}
fprintf(out,
"\n // Adding binary fields for atom "
"(%d)%s\n",
atom->code, atom->name.c_str());
for (const auto& field : atom->binaryFields) {
fprintf(out, " options[static_cast<int>(%s)].push_back(%d);\n",
make_constant_name(atom->name).c_str(), field);
}
}
fprintf(out, " return options;\n");
fprintf(out, "}\n");
fprintf(out,
"const std::map<int, std::vector<int>> "
"AtomsInfo::kBytesFieldAtoms = "
"getBinaryFieldAtoms();\n");
}
int write_atoms_info_header(FILE* out, const Atoms &atoms, const string& namespaceStr) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#pragma once\n");
fprintf(out, "\n");
fprintf(out, "#include <vector>\n");
fprintf(out, "#include <map>\n");
fprintf(out, "#include <set>\n");
fprintf(out, "\n");
write_namespace(out, namespaceStr);
write_atoms_info_header_body(out, atoms);
fprintf(out, "\n");
write_closing_namespace(out, namespaceStr);
return 0;
}
int write_atoms_info_cpp(FILE *out, const Atoms &atoms, const string& namespaceStr,
const string& importHeader, const string& statslogHeader) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#include <%s>\n", importHeader.c_str());
fprintf(out, "#include <%s>\n", statslogHeader.c_str());
fprintf(out, "\n");
write_namespace(out, namespaceStr);
write_atoms_info_cpp_body(out, atoms);
// Print footer
fprintf(out, "\n");
write_closing_namespace(out, namespaceStr);
return 0;
}
} // namespace stats_log_api_gen
} // namespace android

35
tools/stats_log_api_gen/atoms_info_writer.h Normal file
View File

@@ -0,0 +1,35 @@
/*
* Copyright (C) 2019, 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.
*/
#pragma once
#include "Collation.h"
#include <stdio.h>
#include <string.h>
namespace android {
namespace stats_log_api_gen {
using namespace std;
int write_atoms_info_cpp(FILE* out, const Atoms& atoms, const string& namespaceStr,
const string& importHeader, const string& statslogHeader);
int write_atoms_info_header(FILE* out, const Atoms& atoms, const string& namespaceStr);
} // namespace stats_log_api_gen
} // namespace android

27
tools/stats_log_api_gen/java_writer.cpp
View File

@@ -48,7 +48,8 @@ static int write_java_methods(
FILE* out,
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const AtomDecl &attributionDecl,
const string& moduleName
const string& moduleName,
const bool supportQ
) {
for (auto signature_to_modules_it = signatures_to_modules.begin();
signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
@@ -82,8 +83,10 @@ static int write_java_methods(
// Print method body.
string indent("");
if (DEFAULT_MODULE_NAME != moduleName) {
fprintf(out, " if (Build.VERSION.SDK_INT > Build.VERSION_CODES.Q) {\n");
if (supportQ) {
// TODO(b/146235828): Use just SDK_INT check once it is incremented from Q.
fprintf(out, " if (Build.VERSION.SDK_INT > Build.VERSION_CODES.Q ||\n");
fprintf(out, " Build.VERSION.CODENAME.equals(\"R\")) {\n");
indent = " ";
}
@@ -189,10 +192,11 @@ static int write_java_methods(
}
fprintf(out, "\n");
fprintf(out, "%s builder.usePooledBuffer();\n", indent.c_str());
fprintf(out, "%s StatsLog.write(builder.build());\n", indent.c_str());
// Add support for writing using Q schema if this is not the default module.
if (DEFAULT_MODULE_NAME != moduleName) {
if (supportQ) {
fprintf(out, " } else {\n");
fprintf(out, " QLogger.write(code");
argIndex = 1;
@@ -224,15 +228,17 @@ static int write_java_methods(
int write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& javaClass,
const string& javaPackage) {
const string& javaPackage, const bool supportQ) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "package %s;\n", javaPackage.c_str());
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "import android.os.Build;\n");
fprintf(out, "import android.os.SystemClock;\n");
if (supportQ) {
fprintf(out, "import android.os.Build;\n");
fprintf(out, "import android.os.SystemClock;\n");
}
if (DEFAULT_MODULE_NAME == moduleName) {
// Mainline modules don't use WorkSource logging.
@@ -270,12 +276,15 @@ int write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attribut
// Print write methods.
fprintf(out, " // Write methods\n");
errors += write_java_methods(out, atoms.signatures_to_modules, attributionDecl, moduleName);
errors += write_java_methods(
out, atoms.signatures_to_modules, attributionDecl, moduleName, supportQ);
errors += write_java_non_chained_methods(
out, atoms.non_chained_signatures_to_modules, moduleName);
if (DEFAULT_MODULE_NAME == moduleName) {
errors += write_java_work_source_methods(out, atoms.signatures_to_modules, moduleName);
} else {
}
if (supportQ) {
errors += write_java_q_logger_class(
out, atoms.signatures_to_modules, attributionDecl, moduleName);
}

3
tools/stats_log_api_gen/java_writer.h
View File

@@ -32,8 +32,7 @@ using namespace std;
int write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& javaClass,
const string& javaPackage
);
const string& javaPackage, const bool supportQ);
} // namespace stats_log_api_gen
} // namespace android

12
tools/stats_log_api_gen/java_writer_q.h
View File

@@ -37,22 +37,20 @@ int write_java_methods_q_schema(
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const AtomDecl &attributionDecl,
const string& moduleName,
const string& indent
);
const string& indent);
void write_java_helpers_for_q_schema_methods(
FILE * out,
const AtomDecl &attributionDecl,
const int requiredHelpers,
const string& indent
);
const string& indent);
#if defined(STATS_SCHEMA_LEGACY)
int write_stats_log_java_q(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl);
int write_stats_log_java_q_for_module(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& javaClass,
const string& javaPackage);
int write_stats_log_java_q_for_module(FILE* out, const Atoms& atoms,
const AtomDecl &attributionDecl, const string& moduleName, const string& javaClass,
const string& javaPackage);
#endif
} // namespace stats_log_api_gen
} // namespace android

830
tools/stats_log_api_gen/main.cpp
View File

@@ -1,10 +1,12 @@
#include "Collation.h"
#include "atoms_info_writer.h"
#if !defined(STATS_SCHEMA_LEGACY)
#include "java_writer.h"
#endif
#include "java_writer_q.h"
#include "native_writer.h"
#include "utils.h"
#include "frameworks/base/cmds/statsd/src/atoms.pb.h"
@@ -18,8 +20,6 @@
#include <stdlib.h>
#include <string.h>
#include "android-base/strings.h"
using namespace google::protobuf;
using namespace std;
@@ -28,750 +28,6 @@ namespace stats_log_api_gen {
using android::os::statsd::Atom;
static void write_atoms_info_cpp(FILE *out, const Atoms &atoms) {
std::set<string> kTruncatingAtomNames = {"mobile_radio_power_state_changed",
"audio_state_changed",
"call_state_changed",
"phone_signal_strength_changed",
"mobile_bytes_transfer_by_fg_bg",
"mobile_bytes_transfer"};
fprintf(out,
"const std::set<int> "
"AtomsInfo::kTruncatingTimestampAtomBlackList = {\n");
for (set<string>::const_iterator blacklistedAtom = kTruncatingAtomNames.begin();
blacklistedAtom != kTruncatingAtomNames.end(); blacklistedAtom++) {
fprintf(out, " %s,\n", make_constant_name(*blacklistedAtom).c_str());
}
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out,
"const std::set<int> AtomsInfo::kAtomsWithAttributionChain = {\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
for (vector<AtomField>::const_iterator field = atom->fields.begin();
field != atom->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
string constant = make_constant_name(atom->name);
fprintf(out, " %s,\n", constant.c_str());
break;
}
}
}
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out,
"const std::set<int> AtomsInfo::kWhitelistedAtoms = {\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->whitelisted) {
string constant = make_constant_name(atom->name);
fprintf(out, " %s,\n", constant.c_str());
}
}
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out, "static std::map<int, int> getAtomUidField() {\n");
fprintf(out, " std::map<int, int> uidField;\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->uidField == 0) {
continue;
}
fprintf(out,
"\n // Adding uid field for atom "
"(%d)%s\n",
atom->code, atom->name.c_str());
fprintf(out, " uidField[static_cast<int>(%s)] = %d;\n",
make_constant_name(atom->name).c_str(), atom->uidField);
}
fprintf(out, " return uidField;\n");
fprintf(out, "};\n");
fprintf(out,
"const std::map<int, int> AtomsInfo::kAtomsWithUidField = "
"getAtomUidField();\n");
fprintf(out,
"static std::map<int, StateAtomFieldOptions> "
"getStateAtomFieldOptions() {\n");
fprintf(out, " std::map<int, StateAtomFieldOptions> options;\n");
fprintf(out, " StateAtomFieldOptions opt;\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->primaryFields.size() == 0 && atom->exclusiveField == 0) {
continue;
}
fprintf(out,
"\n // Adding primary and exclusive fields for atom "
"(%d)%s\n",
atom->code, atom->name.c_str());
fprintf(out, " opt.primaryFields.clear();\n");
for (const auto& field : atom->primaryFields) {
fprintf(out, " opt.primaryFields.push_back(%d);\n", field);
}
fprintf(out, " opt.exclusiveField = %d;\n", atom->exclusiveField);
fprintf(out, " options[static_cast<int>(%s)] = opt;\n",
make_constant_name(atom->name).c_str());
}
fprintf(out, " return options;\n");
fprintf(out, "}\n");
fprintf(out,
"const std::map<int, StateAtomFieldOptions> "
"AtomsInfo::kStateAtomsFieldOptions = "
"getStateAtomFieldOptions();\n");
fprintf(out,
"static std::map<int, std::vector<int>> "
"getBinaryFieldAtoms() {\n");
fprintf(out, " std::map<int, std::vector<int>> options;\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
if (atom->binaryFields.size() == 0) {
continue;
}
fprintf(out,
"\n // Adding binary fields for atom "
"(%d)%s\n",
atom->code, atom->name.c_str());
for (const auto& field : atom->binaryFields) {
fprintf(out, " options[static_cast<int>(%s)].push_back(%d);\n",
make_constant_name(atom->name).c_str(), field);
}
}
fprintf(out, " return options;\n");
fprintf(out, "}\n");
fprintf(out,
"const std::map<int, std::vector<int>> "
"AtomsInfo::kBytesFieldAtoms = "
"getBinaryFieldAtoms();\n");
}
// Writes namespaces for the cpp and header files, returning the number of namespaces written.
void write_namespace(FILE* out, const string& cppNamespaces) {
vector<string> cppNamespaceVec = android::base::Split(cppNamespaces, ",");
for (string cppNamespace : cppNamespaceVec) {
fprintf(out, "namespace %s {\n", cppNamespace.c_str());
}
}
// Writes namespace closing brackets for cpp and header files.
void write_closing_namespace(FILE* out, const string& cppNamespaces) {
vector<string> cppNamespaceVec = android::base::Split(cppNamespaces, ",");
for (auto it = cppNamespaceVec.rbegin(); it != cppNamespaceVec.rend(); ++it) {
fprintf(out, "} // namespace %s\n", it->c_str());
}
}
static int write_stats_log_cpp(FILE *out, const Atoms &atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& cppNamespace,
const string& importHeader) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#include <mutex>\n");
fprintf(out, "#include <chrono>\n");
fprintf(out, "#include <thread>\n");
fprintf(out, "#ifdef __ANDROID__\n");
fprintf(out, "#include <cutils/properties.h>\n");
fprintf(out, "#endif\n");
fprintf(out, "#include <stats_event_list.h>\n");
fprintf(out, "#include <log/log.h>\n");
fprintf(out, "#include <%s>\n", importHeader.c_str());
fprintf(out, "#include <utils/SystemClock.h>\n");
fprintf(out, "\n");
write_namespace(out, cppNamespace);
fprintf(out, "// the single event tag id for all stats logs\n");
fprintf(out, "const static int kStatsEventTag = 1937006964;\n");
fprintf(out, "#ifdef __ANDROID__\n");
fprintf(out, "const static bool kStatsdEnabled = property_get_bool(\"ro.statsd.enable\", true);\n");
fprintf(out, "#else\n");
fprintf(out, "const static bool kStatsdEnabled = false;\n");
fprintf(out, "#endif\n");
// AtomsInfo is only used by statsd internally and is not needed for other modules.
if (moduleName == DEFAULT_MODULE_NAME) {
write_atoms_info_cpp(out, atoms);
}
fprintf(out, "int64_t lastRetryTimestampNs = -1;\n");
fprintf(out, "const int64_t kMinRetryIntervalNs = NS_PER_SEC * 60 * 20; // 20 minutes\n");
fprintf(out, "static std::mutex mLogdRetryMutex;\n");
// Print write methods
fprintf(out, "\n");
for (auto signature_to_modules_it = atoms.signatures_to_modules.begin();
signature_to_modules_it != atoms.signatures_to_modules.end(); signature_to_modules_it++) {
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
int argIndex;
fprintf(out, "int\n");
fprintf(out, "try_stats_write(int32_t code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", const std::map<int, int32_t>& arg%d_1, "
"const std::map<int, int64_t>& arg%d_2, "
"const std::map<int, char const*>& arg%d_3, "
"const std::map<int, float>& arg%d_4",
argIndex, argIndex, argIndex, argIndex);
} else {
fprintf(out, ", %s arg%d", cpp_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ")\n");
fprintf(out, "{\n");
argIndex = 1;
fprintf(out, " if (kStatsdEnabled) {\n");
fprintf(out, " stats_event_list event(kStatsEventTag);\n");
fprintf(out, " event << android::elapsedRealtimeNano();\n\n");
fprintf(out, " event << code;\n\n");
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (const auto &chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, " if (%s_length != %s.size()) {\n",
attributionDecl.fields.front().name.c_str(), chainField.name.c_str());
fprintf(out, " return -EINVAL;\n");
fprintf(out, " }\n");
}
}
fprintf(out, "\n event.begin();\n");
fprintf(out, " for (size_t i = 0; i < %s_length; ++i) {\n",
attributionDecl.fields.front().name.c_str());
fprintf(out, " event.begin();\n");
for (const auto &chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, " if (%s[i] != NULL) {\n", chainField.name.c_str());
fprintf(out, " event << %s[i];\n", chainField.name.c_str());
fprintf(out, " } else {\n");
fprintf(out, " event << \"\";\n");
fprintf(out, " }\n");
} else {
fprintf(out, " event << %s[i];\n", chainField.name.c_str());
}
}
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " event.end();\n\n");
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, " event.begin();\n\n");
fprintf(out, " for (const auto& it : arg%d_1) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " for (const auto& it : arg%d_2) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " for (const auto& it : arg%d_3) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " for (const auto& it : arg%d_4) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " event.end();\n\n");
} else if (*arg == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out,
" event.AppendCharArray(arg%d.arg, "
"arg%d.arg_length);\n",
argIndex, argIndex);
} else {
if (*arg == JAVA_TYPE_STRING) {
fprintf(out, " if (arg%d == NULL) {\n", argIndex);
fprintf(out, " arg%d = \"\";\n", argIndex);
fprintf(out, " }\n");
}
fprintf(out, " event << arg%d;\n", argIndex);
}
argIndex++;
}
fprintf(out, " return event.write(LOG_ID_STATS);\n");
fprintf(out, " } else {\n");
fprintf(out, " return 1;\n");
fprintf(out, " }\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
for (auto signature_to_modules_it = atoms.signatures_to_modules.begin();
signature_to_modules_it != atoms.signatures_to_modules.end(); signature_to_modules_it++) {
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
int argIndex;
fprintf(out, "int\n");
fprintf(out, "stats_write(int32_t code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out,
", const std::map<int, int32_t>& arg%d_1, "
"const std::map<int, int64_t>& arg%d_2, "
"const std::map<int, char const*>& arg%d_3, "
"const std::map<int, float>& arg%d_4",
argIndex, argIndex, argIndex, argIndex);
} else {
fprintf(out, ", %s arg%d", cpp_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ")\n");
fprintf(out, "{\n");
fprintf(out, " int ret = 0;\n");
fprintf(out, " for(int retry = 0; retry < 2; ++retry) {\n");
fprintf(out, " ret = try_stats_write(code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", %s",
chainField.name.c_str());
} else {
fprintf(out, ", %s, %s_length",
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", arg%d_1, arg%d_2, arg%d_3, arg%d_4", argIndex,
argIndex, argIndex, argIndex);
} else {
fprintf(out, ", arg%d", argIndex);
}
argIndex++;
}
fprintf(out, ");\n");
fprintf(out, " if (ret >= 0) { break; }\n");
fprintf(out, " {\n");
fprintf(out, " std::lock_guard<std::mutex> lock(mLogdRetryMutex);\n");
fprintf(out, " if ((android::elapsedRealtimeNano() - lastRetryTimestampNs) <= "
"kMinRetryIntervalNs) break;\n");
fprintf(out, " lastRetryTimestampNs = android::elapsedRealtimeNano();\n");
fprintf(out, " }\n");
fprintf(out, " std::this_thread::sleep_for(std::chrono::milliseconds(10));\n");
fprintf(out, " }\n");
fprintf(out, " if (ret < 0) {\n");
fprintf(out, " note_log_drop(ret, code);\n");
fprintf(out, " }\n");
fprintf(out, " return ret;\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
for (auto signature_it = atoms.non_chained_signatures_to_modules.begin();
signature_it != atoms.non_chained_signatures_to_modules.end(); signature_it++) {
if (!signature_needed_for_module(signature_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_it->first;
int argIndex;
fprintf(out, "int\n");
fprintf(out, "try_stats_write_non_chained(int32_t code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
fprintf(out, ", %s arg%d", cpp_type_name(*arg), argIndex);
argIndex++;
}
fprintf(out, ")\n");
fprintf(out, "{\n");
argIndex = 1;
fprintf(out, " if (kStatsdEnabled) {\n");
fprintf(out, " stats_event_list event(kStatsEventTag);\n");
fprintf(out, " event << android::elapsedRealtimeNano();\n\n");
fprintf(out, " event << code;\n\n");
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (argIndex == 1) {
fprintf(out, " event.begin();\n\n");
fprintf(out, " event.begin();\n");
}
if (*arg == JAVA_TYPE_STRING) {
fprintf(out, " if (arg%d == NULL) {\n", argIndex);
fprintf(out, " arg%d = \"\";\n", argIndex);
fprintf(out, " }\n");
}
if (*arg == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out,
" event.AppendCharArray(arg%d.arg, "
"arg%d.arg_length);",
argIndex, argIndex);
} else {
fprintf(out, " event << arg%d;\n", argIndex);
}
if (argIndex == 2) {
fprintf(out, " event.end();\n\n");
fprintf(out, " event.end();\n\n");
}
argIndex++;
}
fprintf(out, " return event.write(LOG_ID_STATS);\n");
fprintf(out, " } else {\n");
fprintf(out, " return 1;\n");
fprintf(out, " }\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
for (auto signature_it = atoms.non_chained_signatures_to_modules.begin();
signature_it != atoms.non_chained_signatures_to_modules.end(); signature_it++) {
if (!signature_needed_for_module(signature_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_it->first;
int argIndex;
fprintf(out, "int\n");
fprintf(out, "stats_write_non_chained(int32_t code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
fprintf(out, ", %s arg%d", cpp_type_name(*arg), argIndex);
argIndex++;
}
fprintf(out, ")\n");
fprintf(out, "{\n");
fprintf(out, " int ret = 0;\n");
fprintf(out, " for(int retry = 0; retry < 2; ++retry) {\n");
fprintf(out, " ret = try_stats_write_non_chained(code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
fprintf(out, ", arg%d", argIndex);
argIndex++;
}
fprintf(out, ");\n");
fprintf(out, " if (ret >= 0) { break; }\n");
fprintf(out, " {\n");
fprintf(out, " std::lock_guard<std::mutex> lock(mLogdRetryMutex);\n");
fprintf(out, " if ((android::elapsedRealtimeNano() - lastRetryTimestampNs) <= "
"kMinRetryIntervalNs) break;\n");
fprintf(out, " lastRetryTimestampNs = android::elapsedRealtimeNano();\n");
fprintf(out, " }\n");
fprintf(out, " std::this_thread::sleep_for(std::chrono::milliseconds(10));\n");
fprintf(out, " }\n");
fprintf(out, " if (ret < 0) {\n");
fprintf(out, " note_log_drop(ret, code);\n");
fprintf(out, " }\n");
fprintf(out, " return ret;\n\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
// Print footer
fprintf(out, "\n");
write_closing_namespace(out, cppNamespace);
return 0;
}
static void write_cpp_usage(
FILE* out, const string& method_name, const string& atom_code_name,
const AtomDecl& atom, const AtomDecl &attributionDecl) {
fprintf(out, " * Usage: %s(StatsLog.%s", method_name.c_str(),
atom_code_name.c_str());
for (vector<AtomField>::const_iterator field = atom.fields.begin();
field != atom.fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (field->javaType == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", const std::map<int, int32_t>& %s_int"
", const std::map<int, int64_t>& %s_long"
", const std::map<int, char const*>& %s_str"
", const std::map<int, float>& %s_float",
field->name.c_str(),
field->name.c_str(),
field->name.c_str(),
field->name.c_str());
} else {
fprintf(out, ", %s %s", cpp_type_name(field->javaType), field->name.c_str());
}
}
fprintf(out, ");\n");
}
static void write_cpp_method_header(
FILE* out,
const string& method_name,
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const AtomDecl &attributionDecl, const string& moduleName) {
for (auto signature_to_modules_it = signatures_to_modules.begin();
signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
// Skip if this signature is not needed for the module.
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
fprintf(out, "int %s(int32_t code", method_name.c_str());
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType), chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", const std::map<int, int32_t>& arg%d_1, "
"const std::map<int, int64_t>& arg%d_2, "
"const std::map<int, char const*>& arg%d_3, "
"const std::map<int, float>& arg%d_4",
argIndex, argIndex, argIndex, argIndex);
} else {
fprintf(out, ", %s arg%d", cpp_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ");\n");
}
}
static int
write_stats_log_header(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& cppNamespace)
{
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#pragma once\n");
fprintf(out, "\n");
fprintf(out, "#include <stdint.h>\n");
fprintf(out, "#include <vector>\n");
fprintf(out, "#include <map>\n");
fprintf(out, "#include <set>\n");
fprintf(out, "\n");
write_namespace(out, cppNamespace);
fprintf(out, "\n");
fprintf(out, "/*\n");
fprintf(out, " * API For logging statistics events.\n");
fprintf(out, " */\n");
fprintf(out, "\n");
fprintf(out, "/**\n");
fprintf(out, " * Constants for atom codes.\n");
fprintf(out, " */\n");
fprintf(out, "enum {\n");
std::map<int, set<AtomDecl>::const_iterator> atom_code_to_non_chained_decl_map;
build_non_chained_decl_map(atoms, &atom_code_to_non_chained_decl_map);
size_t i = 0;
int maxPushedAtomId = 2;
// Print atom constants
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
// Skip if the atom is not needed for the module.
if (!atom_needed_for_module(*atom, moduleName)) {
continue;
}
string constant = make_constant_name(atom->name);
fprintf(out, "\n");
fprintf(out, " /**\n");
fprintf(out, " * %s %s\n", atom->message.c_str(), atom->name.c_str());
write_cpp_usage(out, "stats_write", constant, *atom, attributionDecl);
auto non_chained_decl = atom_code_to_non_chained_decl_map.find(atom->code);
if (non_chained_decl != atom_code_to_non_chained_decl_map.end()) {
write_cpp_usage(out, "stats_write_non_chained", constant, *non_chained_decl->second,
attributionDecl);
}
fprintf(out, " */\n");
char const* const comma = (i == atoms.decls.size() - 1) ? "" : ",";
fprintf(out, " %s = %d%s\n", constant.c_str(), atom->code, comma);
if (atom->code < PULL_ATOM_START_ID && atom->code > maxPushedAtomId) {
maxPushedAtomId = atom->code;
}
i++;
}
fprintf(out, "\n");
fprintf(out, "};\n");
fprintf(out, "\n");
// Print constants for the enum values.
fprintf(out, "//\n");
fprintf(out, "// Constants for enum values\n");
fprintf(out, "//\n\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
// Skip if the atom is not needed for the module.
if (!atom_needed_for_module(*atom, moduleName)) {
continue;
}
for (vector<AtomField>::const_iterator field = atom->fields.begin();
field != atom->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ENUM) {
fprintf(out, "// Values for %s.%s\n", atom->message.c_str(),
field->name.c_str());
for (map<int, string>::const_iterator value = field->enumValues.begin();
value != field->enumValues.end(); value++) {
fprintf(out, "const int32_t %s__%s__%s = %d;\n",
make_constant_name(atom->message).c_str(),
make_constant_name(field->name).c_str(),
make_constant_name(value->second).c_str(),
value->first);
}
fprintf(out, "\n");
}
}
}
fprintf(out, "struct BytesField {\n");
fprintf(out,
" BytesField(char const* array, size_t len) : arg(array), "
"arg_length(len) {}\n");
fprintf(out, " char const* arg;\n");
fprintf(out, " size_t arg_length;\n");
fprintf(out, "};\n");
fprintf(out, "\n");
// This metadata is only used by statsd, which uses the default libstatslog.
if (moduleName == DEFAULT_MODULE_NAME) {
fprintf(out, "struct StateAtomFieldOptions {\n");
fprintf(out, " std::vector<int> primaryFields;\n");
fprintf(out, " int exclusiveField;\n");
fprintf(out, "};\n");
fprintf(out, "\n");
fprintf(out, "struct AtomsInfo {\n");
fprintf(out,
" const static std::set<int> "
"kTruncatingTimestampAtomBlackList;\n");
fprintf(out, " const static std::map<int, int> kAtomsWithUidField;\n");
fprintf(out,
" const static std::set<int> kAtomsWithAttributionChain;\n");
fprintf(out,
" const static std::map<int, StateAtomFieldOptions> "
"kStateAtomsFieldOptions;\n");
fprintf(out,
" const static std::map<int, std::vector<int>> "
"kBytesFieldAtoms;");
fprintf(out,
" const static std::set<int> kWhitelistedAtoms;\n");
fprintf(out, "};\n");
fprintf(out, "const static int kMaxPushedAtomId = %d;\n\n",
maxPushedAtomId);
}
// Print write methods
fprintf(out, "//\n");
fprintf(out, "// Write methods\n");
fprintf(out, "//\n");
write_cpp_method_header(out, "stats_write", atoms.signatures_to_modules, attributionDecl,
moduleName);
fprintf(out, "//\n");
fprintf(out, "// Write flattened methods\n");
fprintf(out, "//\n");
write_cpp_method_header(out, "stats_write_non_chained", atoms.non_chained_signatures_to_modules,
attributionDecl, moduleName);
fprintf(out, "\n");
write_closing_namespace(out, cppNamespace);
return 0;
}
// Hide the JNI write helpers that are not used in the new schema.
// TODO(b/145100015): Remove this and other JNI related functionality once StatsEvent migration is
// complete.
@@ -1235,20 +491,28 @@ print_usage()
fprintf(stderr, "usage: stats-log-api-gen OPTIONS\n");
fprintf(stderr, "\n");
fprintf(stderr, "OPTIONS\n");
fprintf(stderr, " --cpp FILENAME the header file to output\n");
fprintf(stderr, " --header FILENAME the cpp file to output\n");
fprintf(stderr, " --cpp FILENAME the header file to output for write helpers\n");
fprintf(stderr, " --header FILENAME the cpp file to output for write helpers\n");
fprintf(stderr,
" --atomsInfoCpp FILENAME the header file to output for statsd metadata\n");
fprintf(stderr, " --atomsInfoHeader FILENAME the cpp file to output for statsd metadata\n");
fprintf(stderr, " --help this message\n");
fprintf(stderr, " --java FILENAME the java file to output\n");
fprintf(stderr, " --jni FILENAME the jni file to output\n");
fprintf(stderr, " --module NAME optional, module name to generate outputs for\n");
fprintf(stderr, " --namespace COMMA,SEP,NAMESPACE required for cpp/header with module\n");
fprintf(stderr, " comma separated namespace of the files\n");
fprintf(stderr, " --importHeader NAME required for cpp/jni to say which header to import\n");
fprintf(stderr," --importHeader NAME required for cpp/jni to say which header to import "
"for write helpers\n");
fprintf(stderr," --atomsInfoImportHeader NAME required for cpp to say which header to import "
"for statsd metadata\n");
fprintf(stderr, " --javaPackage PACKAGE the package for the java file.\n");
fprintf(stderr, " required for java with module\n");
fprintf(stderr, " --javaClass CLASS the class name of the java class.\n");
fprintf(stderr, " Optional for Java with module.\n");
fprintf(stderr, " Default is \"StatsLogInternal\"\n");}
fprintf(stderr, " Default is \"StatsLogInternal\"\n");
fprintf(stderr, " --supportQ Include support for Android Q.\n");
}
/**
* Do the argument parsing and execute the tasks.
@@ -1260,12 +524,16 @@ run(int argc, char const*const* argv)
string headerFilename;
string javaFilename;
string jniFilename;
string atomsInfoCppFilename;
string atomsInfoHeaderFilename;
string moduleName = DEFAULT_MODULE_NAME;
string cppNamespace = DEFAULT_CPP_NAMESPACE;
string cppHeaderImport = DEFAULT_CPP_HEADER_IMPORT;
string atomsInfoCppHeaderImport = DEFAULT_ATOMS_INFO_CPP_HEADER_IMPORT;
string javaPackage = DEFAULT_JAVA_PACKAGE;
string javaClass = DEFAULT_JAVA_CLASS;
bool supportQ = false;
int index = 1;
while (index < argc) {
@@ -1335,18 +603,50 @@ run(int argc, char const*const* argv)
return 1;
}
javaClass = argv[index];
} else if (0 == strcmp("--atomsInfoHeader", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
atomsInfoHeaderFilename = argv[index];
} else if (0 == strcmp("--atomsInfoCpp", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
atomsInfoCppFilename = argv[index];
} else if (0 == strcmp("--atomsInfoImportHeader", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
atomsInfoCppHeaderImport = argv[index];
} else if (0 == strcmp("--supportQ", argv[index])) {
supportQ = true;
}
index++;
}
if (cppFilename.size() == 0
&& headerFilename.size() == 0
&& javaFilename.size() == 0
&& jniFilename.size() == 0) {
&& jniFilename.size() == 0
&& atomsInfoHeaderFilename.size() == 0
&& atomsInfoCppFilename.size() == 0) {
print_usage();
return 1;
}
if (DEFAULT_MODULE_NAME == moduleName && supportQ) {
// Support for Q schema is not needed for default module.
fprintf(stderr, "%s cannot support Q schema\n", moduleName.c_str());
return 1;
}
// Collate the parameters
Atoms atoms;
int errorCount = collate_atoms(Atom::descriptor(), &atoms);
@@ -1359,6 +659,30 @@ run(int argc, char const*const* argv)
collate_atom(android::os::statsd::AttributionNode::descriptor(),
&attributionDecl, &attributionSignature);
// Write the atoms info .cpp file
if (atomsInfoCppFilename.size() != 0) {
FILE* out = fopen(atomsInfoCppFilename.c_str(), "w");
if (out == NULL) {
fprintf(stderr, "Unable to open file for write: %s\n", atomsInfoCppFilename.c_str());
return 1;
}
errorCount = android::stats_log_api_gen::write_atoms_info_cpp(
out, atoms, cppNamespace, atomsInfoCppHeaderImport, cppHeaderImport);
fclose(out);
}
// Write the atoms info .h file
if (atomsInfoHeaderFilename.size() != 0) {
FILE* out = fopen(atomsInfoHeaderFilename.c_str(), "w");
if (out == NULL) {
fprintf(stderr, "Unable to open file for write: %s\n", atomsInfoHeaderFilename.c_str());
return 1;
}
errorCount = android::stats_log_api_gen::write_atoms_info_header(out, atoms, cppNamespace);
fclose(out);
}
// Write the .cpp file
if (cppFilename.size() != 0) {
FILE* out = fopen(cppFilename.c_str(), "w");
@@ -1377,7 +701,7 @@ run(int argc, char const*const* argv)
return 1;
}
errorCount = android::stats_log_api_gen::write_stats_log_cpp(
out, atoms, attributionDecl, moduleName, cppNamespace, cppHeaderImport);
out, atoms, attributionDecl, moduleName, cppNamespace, cppHeaderImport, supportQ);
fclose(out);
}
@@ -1425,7 +749,7 @@ run(int argc, char const*const* argv)
javaPackage = "android.util";
}
errorCount = android::stats_log_api_gen::write_stats_log_java(
out, atoms, attributionDecl, moduleName, javaClass, javaPackage);
out, atoms, attributionDecl, moduleName, javaClass, javaPackage, supportQ);
#endif
fclose(out);

341
tools/stats_log_api_gen/native_writer.cpp Normal file
View File

@@ -0,0 +1,341 @@
/*
* Copyright (C) 2019, 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 "native_writer.h"
#include "native_writer_q.h"
#include "utils.h"
namespace android {
namespace stats_log_api_gen {
#if !defined(STATS_SCHEMA_LEGACY)
static void write_native_key_value_pairs_for_type(FILE* out, const int argIndex,
const int typeIndex, const string& type, const string& valueFieldName) {
fprintf(out, " for (const auto& it : arg%d_%d) {\n", argIndex, typeIndex);
fprintf(out, " pairs.push_back("
"{ .key = it.first, .valueType = %s, .%s = it.second });\n",
type.c_str(), valueFieldName.c_str());
fprintf(out, " }\n");
}
static int write_native_stats_write_methods(FILE* out, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName, const bool supportQ) {
fprintf(out, "\n");
for (auto signature_to_modules_it = atoms.signatures_to_modules.begin();
signature_to_modules_it != atoms.signatures_to_modules.end(); signature_to_modules_it++) {
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
write_native_method_signature(out, "int stats_write", signature,
attributionDecl, " {");
int argIndex = 1;
if (supportQ) {
fprintf(out, " StatsEventCompat event;\n");
fprintf(out, " event.setAtomId(code);\n");
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
switch (*arg) {
case JAVA_TYPE_ATTRIBUTION_CHAIN: {
const char* uidName = attributionDecl.fields.front().name.c_str();
const char* tagName = attributionDecl.fields.back().name.c_str();
fprintf(out, " event.writeAttributionChain(%s, %s_length, %s);\n",
uidName, uidName, tagName);
break;
}
case JAVA_TYPE_KEY_VALUE_PAIR:
fprintf(out, " event.writeKeyValuePairs("
"arg%d_1, arg%d_2, arg%d_3, arg%d_4);\n",
argIndex, argIndex, argIndex, argIndex);
break;
case JAVA_TYPE_BYTE_ARRAY:
fprintf(out, " event.writeByteArray(arg%d.arg, arg%d.arg_length);\n",
argIndex, argIndex);
break;
case JAVA_TYPE_BOOLEAN:
fprintf(out, " event.writeBool(arg%d);\n", argIndex);
break;
case JAVA_TYPE_INT: // Fall through.
case JAVA_TYPE_ENUM:
fprintf(out, " event.writeInt32(arg%d);\n", argIndex);
break;
case JAVA_TYPE_FLOAT:
fprintf(out, " event.writeFloat(arg%d);\n", argIndex);
break;
case JAVA_TYPE_LONG:
fprintf(out, " event.writeInt64(arg%d);\n", argIndex);
break;
case JAVA_TYPE_STRING:
fprintf(out, " event.writeString(arg%d);\n", argIndex);
break;
default:
// Unsupported types: OBJECT, DOUBLE.
fprintf(stderr, "Encountered unsupported type.");
return 1;
}
argIndex++;
}
fprintf(out, " return event.writeToSocket();\n");
} else {
fprintf(out, " struct stats_event* event = stats_event_obtain();\n");
fprintf(out, " stats_event_set_atom_id(event, code);\n");
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
switch (*arg) {
case JAVA_TYPE_ATTRIBUTION_CHAIN: {
const char* uidName = attributionDecl.fields.front().name.c_str();
const char* tagName = attributionDecl.fields.back().name.c_str();
fprintf(out,
" stats_event_write_attribution_chain(event, "
"reinterpret_cast<const uint32_t*>(%s), %s.data(), "
"static_cast<uint8_t>(%s_length));\n",
uidName, tagName, uidName);
break;
}
case JAVA_TYPE_KEY_VALUE_PAIR:
fprintf(out, " std::vector<key_value_pair> pairs;\n");
write_native_key_value_pairs_for_type(
out, argIndex, 1, "INT32_TYPE", "int32Value");
write_native_key_value_pairs_for_type(
out, argIndex, 2, "INT64_TYPE", "int64Value");
write_native_key_value_pairs_for_type(
out, argIndex, 3, "STRING_TYPE", "stringValue");
write_native_key_value_pairs_for_type(
out, argIndex, 4, "FLOAT_TYPE", "floatValue");
fprintf(out,
" stats_event_write_key_value_pairs(event, pairs.data(), "
"static_cast<uint8_t>(pairs.size()));\n");
break;
case JAVA_TYPE_BYTE_ARRAY:
fprintf(out,
" stats_event_write_byte_array(event, "
"reinterpret_cast<const uint8_t*>(arg%d.arg), arg%d.arg_length);\n",
argIndex, argIndex);
break;
case JAVA_TYPE_BOOLEAN:
fprintf(out, " stats_event_write_bool(event, arg%d);\n", argIndex);
break;
case JAVA_TYPE_INT: // Fall through.
case JAVA_TYPE_ENUM:
fprintf(out, " stats_event_write_int32(event, arg%d);\n", argIndex);
break;
case JAVA_TYPE_FLOAT:
fprintf(out, " stats_event_write_float(event, arg%d);\n", argIndex);
break;
case JAVA_TYPE_LONG:
fprintf(out, " stats_event_write_int64(event, arg%d);\n", argIndex);
break;
case JAVA_TYPE_STRING:
fprintf(out, " stats_event_write_string8(event, arg%d);\n", argIndex);
break;
default:
// Unsupported types: OBJECT, DOUBLE.
fprintf(stderr, "Encountered unsupported type.");
return 1;
}
argIndex++;
}
fprintf(out, " const int ret = stats_event_write(event);\n");
fprintf(out, " stats_event_release(event);\n");
fprintf(out, " return ret;\n");
}
fprintf(out, "}\n\n");
}
return 0;
}
static void write_native_stats_write_non_chained_methods(FILE* out, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName) {
fprintf(out, "\n");
for (auto signature_it = atoms.non_chained_signatures_to_modules.begin();
signature_it != atoms.non_chained_signatures_to_modules.end(); signature_it++) {
if (!signature_needed_for_module(signature_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_it->first;
write_native_method_signature(out, "int stats_write_non_chained", signature,
attributionDecl, " {");
vector<java_type_t> newSignature;
// First two args form the attribution node so size goes down by 1.
newSignature.reserve(signature.size() - 1);
// First arg is Attribution Chain.
newSignature.push_back(JAVA_TYPE_ATTRIBUTION_CHAIN);
// Followed by the originial signature except the first 2 args.
newSignature.insert(newSignature.end(), signature.begin() + 2, signature.end());
const char* uidName = attributionDecl.fields.front().name.c_str();
const char* tagName = attributionDecl.fields.back().name.c_str();
fprintf(out, " const int32_t* %s = &arg1;\n", uidName);
fprintf(out, " const size_t %s_length = 1;\n", uidName);
fprintf(out, " const std::vector<char const*> %s(1, arg2);\n", tagName);
fprintf(out, " return ");
write_native_method_call(out, "stats_write", newSignature, attributionDecl, 2);
fprintf(out, "}\n\n");
}
}
#endif
static void write_native_method_header(
FILE* out,
const string& methodName,
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const AtomDecl &attributionDecl, const string& moduleName) {
for (auto signature_to_modules_it = signatures_to_modules.begin();
signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
// Skip if this signature is not needed for the module.
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
write_native_method_signature(out, methodName, signature, attributionDecl, ";");
}
}
int write_stats_log_cpp(FILE *out, const Atoms &atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& cppNamespace,
const string& importHeader, const bool supportQ) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#include <%s>\n", importHeader.c_str());
#if defined(STATS_SCHEMA_LEGACY)
(void)supportQ; // Workaround for unused parameter error.
write_native_cpp_includes_q(out);
#else
if (supportQ) {
fprintf(out, "#include <StatsEventCompat.h>\n");
} else {
fprintf(out, "#include <stats_event.h>\n");
}
#endif
fprintf(out, "\n");
write_namespace(out, cppNamespace);
#if defined(STATS_SCHEMA_LEGACY)
write_native_stats_log_cpp_globals_q(out);
write_native_try_stats_write_methods_q(out, atoms, attributionDecl, moduleName);
write_native_stats_write_methods_q(out, "int stats_write", atoms, attributionDecl, moduleName,
"try_stats_write");
write_native_try_stats_write_non_chained_methods_q(out, atoms, attributionDecl, moduleName);
write_native_stats_write_non_chained_methods_q(out, "int stats_write_non_chained", atoms,
attributionDecl, moduleName, "try_stats_write_non_chained");
#else
write_native_stats_write_methods(out, atoms, attributionDecl, moduleName, supportQ);
write_native_stats_write_non_chained_methods(out, atoms, attributionDecl, moduleName);
#endif
// Print footer
fprintf(out, "\n");
write_closing_namespace(out, cppNamespace);
return 0;
}
int write_stats_log_header(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& cppNamespace) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#pragma once\n");
fprintf(out, "\n");
fprintf(out, "#include <stdint.h>\n");
fprintf(out, "#include <vector>\n");
fprintf(out, "#include <map>\n");
fprintf(out, "#include <set>\n");
fprintf(out, "\n");
write_namespace(out, cppNamespace);
fprintf(out, "\n");
fprintf(out, "/*\n");
fprintf(out, " * API For logging statistics events.\n");
fprintf(out, " */\n");
fprintf(out, "\n");
write_native_atom_constants(out, atoms, attributionDecl, moduleName);
// Print constants for the enum values.
fprintf(out, "//\n");
fprintf(out, "// Constants for enum values\n");
fprintf(out, "//\n\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
// Skip if the atom is not needed for the module.
if (!atom_needed_for_module(*atom, moduleName)) {
continue;
}
for (vector<AtomField>::const_iterator field = atom->fields.begin();
field != atom->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ENUM) {
fprintf(out, "// Values for %s.%s\n", atom->message.c_str(),
field->name.c_str());
for (map<int, string>::const_iterator value = field->enumValues.begin();
value != field->enumValues.end(); value++) {
fprintf(out, "const int32_t %s__%s__%s = %d;\n",
make_constant_name(atom->message).c_str(),
make_constant_name(field->name).c_str(),
make_constant_name(value->second).c_str(),
value->first);
}
fprintf(out, "\n");
}
}
}
fprintf(out, "struct BytesField {\n");
fprintf(out,
" BytesField(char const* array, size_t len) : arg(array), "
"arg_length(len) {}\n");
fprintf(out, " char const* arg;\n");
fprintf(out, " size_t arg_length;\n");
fprintf(out, "};\n");
fprintf(out, "\n");
// Print write methods
fprintf(out, "//\n");
fprintf(out, "// Write methods\n");
fprintf(out, "//\n");
write_native_method_header(out, "int stats_write", atoms.signatures_to_modules, attributionDecl,
moduleName);
fprintf(out, "//\n");
fprintf(out, "// Write flattened methods\n");
fprintf(out, "//\n");
write_native_method_header(out, "int stats_write_non_chained",
atoms.non_chained_signatures_to_modules, attributionDecl, moduleName);
fprintf(out, "\n");
write_closing_namespace(out, cppNamespace);
return 0;
}
} // namespace stats_log_api_gen
} // namespace android

37
tools/stats_log_api_gen/native_writer.h Normal file
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@@ -0,0 +1,37 @@
/*
* Copyright (C) 2019, 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.
*/
#pragma once
#include "Collation.h"
#include <stdio.h>
#include <string.h>
namespace android {
namespace stats_log_api_gen {
using namespace std;
int write_stats_log_cpp(FILE *out, const Atoms &atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& cppNamespace, const string& importHeader,
const bool supportQ);
int write_stats_log_header(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
const string& moduleName, const string& cppNamespace);
} // namespace stats_log_api_gen
} // namespace android

266
tools/stats_log_api_gen/native_writer_q.cpp Normal file
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@@ -0,0 +1,266 @@
/*
* Copyright (C) 2019, 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 "native_writer_q.h"
#include "utils.h"
namespace android {
namespace stats_log_api_gen {
static void write_native_stats_write_body_q(FILE* out, const vector<java_type_t>& signature,
const AtomDecl& attributionDecl, const string& indent, const string& tryMethodName) {
fprintf(out, "%sint ret = 0;\n", indent.c_str());
fprintf(out, "%sfor(int retry = 0; retry < 2; ++retry) {\n", indent.c_str());
fprintf(out, "%s ret = ", indent.c_str());
write_native_method_call(out, tryMethodName, signature, attributionDecl);
fprintf(out, "%s if (ret >= 0) { break; }\n", indent.c_str());
fprintf(out, "%s {\n", indent.c_str());
fprintf(out, "%s std::lock_guard<std::mutex> lock(mLogdRetryMutex);\n", indent.c_str());
fprintf(out, "%s if ((android::elapsedRealtimeNano() - lastRetryTimestampNs) <= "
"kMinRetryIntervalNs) break;\n", indent.c_str());
fprintf(out, "%s lastRetryTimestampNs = android::elapsedRealtimeNano();\n",
indent.c_str());
fprintf(out, "%s }\n", indent.c_str());
fprintf(out, "%s std::this_thread::sleep_for(std::chrono::milliseconds(10));\n",
indent.c_str());
fprintf(out, "%s}\n", indent.c_str());
fprintf(out, "%sif (ret < 0) {\n", indent.c_str());
fprintf(out, "%s note_log_drop(ret, code);\n", indent.c_str());
fprintf(out, "%s}\n", indent.c_str());
fprintf(out, "%sreturn ret;\n", indent.c_str());
}
void write_native_cpp_includes_q(FILE* out) {
fprintf(out, "#include <mutex>\n");
fprintf(out, "#include <chrono>\n");
fprintf(out, "#include <thread>\n");
fprintf(out, "#ifdef __ANDROID__\n");
fprintf(out, "#include <cutils/properties.h>\n");
fprintf(out, "#endif\n");
fprintf(out, "#include <stats_event_list.h>\n");
fprintf(out, "#include <log/log.h>\n");
fprintf(out, "#include <utils/SystemClock.h>\n");
}
void write_native_stats_log_cpp_globals_q(FILE* out) {
fprintf(out, "// the single event tag id for all stats logs\n");
fprintf(out, "const static int kStatsEventTag = 1937006964;\n");
fprintf(out, "#ifdef __ANDROID__\n");
fprintf(out,
"const static bool kStatsdEnabled = property_get_bool(\"ro.statsd.enable\", true);\n");
fprintf(out, "#else\n");
fprintf(out, "const static bool kStatsdEnabled = false;\n");
fprintf(out, "#endif\n");
fprintf(out, "int64_t lastRetryTimestampNs = -1;\n");
fprintf(out, "const int64_t kMinRetryIntervalNs = NS_PER_SEC * 60 * 20; // 20 minutes\n");
fprintf(out, "static std::mutex mLogdRetryMutex;\n");
}
void write_native_try_stats_write_methods_q(FILE* out, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName) {
fprintf(out, "\n");
for (auto signature_to_modules_it = atoms.signatures_to_modules.begin();
signature_to_modules_it != atoms.signatures_to_modules.end(); signature_to_modules_it++) {
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
write_native_method_signature(out, "static int try_stats_write", signature,
attributionDecl, " {");
int argIndex = 1;
fprintf(out, " if (kStatsdEnabled) {\n");
fprintf(out, " stats_event_list event(kStatsEventTag);\n");
fprintf(out, " event << android::elapsedRealtimeNano();\n\n");
fprintf(out, " event << code;\n\n");
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (const auto &chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, " if (%s_length != %s.size()) {\n",
attributionDecl.fields.front().name.c_str(), chainField.name.c_str());
fprintf(out, " return -EINVAL;\n");
fprintf(out, " }\n");
}
}
fprintf(out, "\n event.begin();\n");
fprintf(out, " for (size_t i = 0; i < %s_length; ++i) {\n",
attributionDecl.fields.front().name.c_str());
fprintf(out, " event.begin();\n");
for (const auto &chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, " if (%s[i] != NULL) {\n", chainField.name.c_str());
fprintf(out, " event << %s[i];\n", chainField.name.c_str());
fprintf(out, " } else {\n");
fprintf(out, " event << \"\";\n");
fprintf(out, " }\n");
} else {
fprintf(out, " event << %s[i];\n", chainField.name.c_str());
}
}
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " event.end();\n\n");
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, " event.begin();\n\n");
fprintf(out, " for (const auto& it : arg%d_1) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " for (const auto& it : arg%d_2) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " for (const auto& it : arg%d_3) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " for (const auto& it : arg%d_4) {\n", argIndex);
fprintf(out, " event.begin();\n");
fprintf(out, " event << it.first;\n");
fprintf(out, " event << it.second;\n");
fprintf(out, " event.end();\n");
fprintf(out, " }\n");
fprintf(out, " event.end();\n\n");
} else if (*arg == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out,
" event.AppendCharArray(arg%d.arg, "
"arg%d.arg_length);\n",
argIndex, argIndex);
} else {
if (*arg == JAVA_TYPE_STRING) {
fprintf(out, " if (arg%d == NULL) {\n", argIndex);
fprintf(out, " arg%d = \"\";\n", argIndex);
fprintf(out, " }\n");
}
fprintf(out, " event << arg%d;\n", argIndex);
}
argIndex++;
}
fprintf(out, " return event.write(LOG_ID_STATS);\n");
fprintf(out, " } else {\n");
fprintf(out, " return 1;\n");
fprintf(out, " }\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
}
void write_native_stats_write_methods_q(FILE* out, const string& methodName, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName, const string& tryMethodName) {
for (auto signature_to_modules_it = atoms.signatures_to_modules.begin();
signature_to_modules_it != atoms.signatures_to_modules.end();
signature_to_modules_it++) {
if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_to_modules_it->first;
write_native_method_signature(out, methodName, signature, attributionDecl, " {");
write_native_stats_write_body_q(out, signature, attributionDecl, " ", tryMethodName);
fprintf(out, "}\n\n");
}
}
void write_native_stats_write_non_chained_methods_q(FILE* out, const string& methodName,
const Atoms& atoms, const AtomDecl& attributionDecl, const string& moduleName,
const string& tryMethodName) {
for (auto signature_it = atoms.non_chained_signatures_to_modules.begin();
signature_it != atoms.non_chained_signatures_to_modules.end(); signature_it++) {
if (!signature_needed_for_module(signature_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_it->first;
write_native_method_signature(out, methodName, signature, attributionDecl, " {");
write_native_stats_write_body_q(out, signature, attributionDecl, " ", tryMethodName);
fprintf(out, "}\n\n");
}
}
void write_native_try_stats_write_non_chained_methods_q(FILE* out, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName) {
for (auto signature_it = atoms.non_chained_signatures_to_modules.begin();
signature_it != atoms.non_chained_signatures_to_modules.end(); signature_it++) {
if (!signature_needed_for_module(signature_it->second, moduleName)) {
continue;
}
vector<java_type_t> signature = signature_it->first;
write_native_method_signature(out, "static int try_stats_write_non_chained", signature,
attributionDecl, " {");
int argIndex = 1;
fprintf(out, " if (kStatsdEnabled) {\n");
fprintf(out, " stats_event_list event(kStatsEventTag);\n");
fprintf(out, " event << android::elapsedRealtimeNano();\n\n");
fprintf(out, " event << code;\n\n");
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (argIndex == 1) {
fprintf(out, " event.begin();\n\n");
fprintf(out, " event.begin();\n");
}
if (*arg == JAVA_TYPE_STRING) {
fprintf(out, " if (arg%d == NULL) {\n", argIndex);
fprintf(out, " arg%d = \"\";\n", argIndex);
fprintf(out, " }\n");
}
if (*arg == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out,
" event.AppendCharArray(arg%d.arg, "
"arg%d.arg_length);\n",
argIndex, argIndex);
} else {
fprintf(out, " event << arg%d;\n", argIndex);
}
if (argIndex == 2) {
fprintf(out, " event.end();\n\n");
fprintf(out, " event.end();\n\n");
}
argIndex++;
}
fprintf(out, " return event.write(LOG_ID_STATS);\n");
fprintf(out, " } else {\n");
fprintf(out, " return 1;\n");
fprintf(out, " }\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
}
} // namespace stats_log_api_gen
} // namespace android

47
tools/stats_log_api_gen/native_writer_q.h Normal file
View File

@@ -0,0 +1,47 @@
/*
* Copyright (C) 2019, 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.
*/
#pragma once
#include "Collation.h"
#include <stdio.h>
#include <string.h>
namespace android {
namespace stats_log_api_gen {
using namespace std;
void write_native_cpp_includes_q(FILE* out);
void write_native_stats_log_cpp_globals_q(FILE* out);
void write_native_try_stats_write_methods_q(FILE* out, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName);
void write_native_stats_write_methods_q(FILE* out, const string& methodName, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName, const string& tryMethodName);
void write_native_try_stats_write_non_chained_methods_q(FILE* out, const Atoms& atoms,
const AtomDecl& attributionDecl, const string& moduleName);
void write_native_stats_write_non_chained_methods_q(FILE* out, const string& methodName,
const Atoms& atoms, const AtomDecl& attributionDecl, const string& moduleName,
const string& tryMethodName);
} // namespace stats_log_api_gen
} // namespace android

163
tools/stats_log_api_gen/utils.cpp
View File

@@ -16,9 +16,19 @@
#include "utils.h"
#include "android-base/strings.h"
namespace android {
namespace stats_log_api_gen {
static void build_non_chained_decl_map(const Atoms& atoms,
std::map<int, set<AtomDecl>::const_iterator>* decl_map) {
for (set<AtomDecl>::const_iterator atom = atoms.non_chained_decls.begin();
atom != atoms.non_chained_decls.end(); atom++) {
decl_map->insert(std::make_pair(atom->code, atom));
}
}
/**
* Turn lower and camel case into upper case with underscores.
*/
@@ -102,14 +112,157 @@ bool signature_needed_for_module(const set<string>& modules, const string& modul
return modules.find(moduleName) != modules.end();
}
void build_non_chained_decl_map(const Atoms& atoms,
std::map<int, set<AtomDecl>::const_iterator>* decl_map) {
for (set<AtomDecl>::const_iterator atom = atoms.non_chained_decls.begin();
atom != atoms.non_chained_decls.end(); atom++) {
decl_map->insert(std::make_pair(atom->code, atom));
// Native
// Writes namespaces for the cpp and header files, returning the number of namespaces written.
void write_namespace(FILE* out, const string& cppNamespaces) {
vector<string> cppNamespaceVec = android::base::Split(cppNamespaces, ",");
for (string cppNamespace : cppNamespaceVec) {
fprintf(out, "namespace %s {\n", cppNamespace.c_str());
}
}
// Writes namespace closing brackets for cpp and header files.
void write_closing_namespace(FILE* out, const string& cppNamespaces) {
vector<string> cppNamespaceVec = android::base::Split(cppNamespaces, ",");
for (auto it = cppNamespaceVec.rbegin(); it != cppNamespaceVec.rend(); ++it) {
fprintf(out, "} // namespace %s\n", it->c_str());
}
}
static void write_cpp_usage(
FILE* out, const string& method_name, const string& atom_code_name,
const AtomDecl& atom, const AtomDecl &attributionDecl) {
fprintf(out, " * Usage: %s(StatsLog.%s", method_name.c_str(),
atom_code_name.c_str());
for (vector<AtomField>::const_iterator field = atom.fields.begin();
field != atom.fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (field->javaType == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", const std::map<int, int32_t>& %s_int"
", const std::map<int, int64_t>& %s_long"
", const std::map<int, char const*>& %s_str"
", const std::map<int, float>& %s_float",
field->name.c_str(),
field->name.c_str(),
field->name.c_str(),
field->name.c_str());
} else {
fprintf(out, ", %s %s", cpp_type_name(field->javaType), field->name.c_str());
}
}
fprintf(out, ");\n");
}
void write_native_atom_constants(FILE* out, const Atoms& atoms, const AtomDecl& attributionDecl,
const string& moduleName) {
fprintf(out, "/**\n");
fprintf(out, " * Constants for atom codes.\n");
fprintf(out, " */\n");
fprintf(out, "enum {\n");
std::map<int, set<AtomDecl>::const_iterator> atom_code_to_non_chained_decl_map;
build_non_chained_decl_map(atoms, &atom_code_to_non_chained_decl_map);
size_t i = 0;
// Print atom constants
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
// Skip if the atom is not needed for the module.
if (!atom_needed_for_module(*atom, moduleName)) {
continue;
}
string constant = make_constant_name(atom->name);
fprintf(out, "\n");
fprintf(out, " /**\n");
fprintf(out, " * %s %s\n", atom->message.c_str(), atom->name.c_str());
write_cpp_usage(out, "stats_write", constant, *atom, attributionDecl);
auto non_chained_decl = atom_code_to_non_chained_decl_map.find(atom->code);
if (non_chained_decl != atom_code_to_non_chained_decl_map.end()) {
write_cpp_usage(out, "stats_write_non_chained", constant, *non_chained_decl->second,
attributionDecl);
}
fprintf(out, " */\n");
char const* const comma = (i == atoms.decls.size() - 1) ? "" : ",";
fprintf(out, " %s = %d%s\n", constant.c_str(), atom->code, comma);
i++;
}
fprintf(out, "\n");
fprintf(out, "};\n");
fprintf(out, "\n");
}
void write_native_method_signature(FILE* out, const string& methodName,
const vector<java_type_t>& signature, const AtomDecl& attributionDecl,
const string& closer) {
fprintf(out, "%s(int32_t code", methodName.c_str());
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", const std::map<int, int32_t>& arg%d_1, "
"const std::map<int, int64_t>& arg%d_2, "
"const std::map<int, char const*>& arg%d_3, "
"const std::map<int, float>& arg%d_4",
argIndex, argIndex, argIndex, argIndex);
} else {
fprintf(out, ", %s arg%d", cpp_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ")%s\n", closer.c_str());
}
void write_native_method_call(FILE* out, const string& methodName,
const vector<java_type_t>& signature, const AtomDecl& attributionDecl, int argIndex) {
fprintf(out, "%s(code", methodName.c_str());
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", %s",
chainField.name.c_str());
} else {
fprintf(out, ", %s, %s_length",
chainField.name.c_str(), chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", arg%d_1, arg%d_2, arg%d_3, arg%d_4", argIndex,
argIndex, argIndex, argIndex);
} else {
fprintf(out, ", arg%d", argIndex);
}
argIndex++;
}
fprintf(out, ");\n");
}
// Java
void write_java_atom_codes(FILE* out, const Atoms& atoms, const string& moduleName) {
fprintf(out, " // Constants for atom codes.\n");

23
tools/stats_log_api_gen/utils.h
View File

@@ -33,6 +33,7 @@ using namespace std;
const string DEFAULT_MODULE_NAME = "DEFAULT";
const string DEFAULT_CPP_NAMESPACE = "android,util";
const string DEFAULT_CPP_HEADER_IMPORT = "statslog.h";
const string DEFAULT_ATOMS_INFO_CPP_HEADER_IMPORT = "atoms_info.h";
const string DEFAULT_JAVA_PACKAGE = "android.util";
const string DEFAULT_JAVA_CLASS = "StatsLogInternal";
@@ -49,8 +50,20 @@ bool atom_needed_for_module(const AtomDecl& atomDecl, const string& moduleName);
bool signature_needed_for_module(const set<string>& modules, const string& moduleName);
void build_non_chained_decl_map(const Atoms& atoms,
std::map<int, set<AtomDecl>::const_iterator>* decl_map);
// Common Native helpers
void write_namespace(FILE* out, const string& cppNamespaces);
void write_closing_namespace(FILE* out, const string& cppNamespaces);
void write_native_atom_constants(FILE* out, const Atoms& atoms, const AtomDecl& attributionDecl,
const string& moduleName);
void write_native_method_signature(FILE* out, const string& methodName,
const vector<java_type_t>& signature, const AtomDecl& attributionDecl,
const string& closer);
void write_native_method_call(FILE* out, const string& methodName,
const vector<java_type_t>& signature, const AtomDecl& attributionDecl, int argIndex = 1);
// Common Java helpers.
void write_java_atom_codes(FILE* out, const Atoms& atoms, const string& moduleName);
@@ -62,14 +75,12 @@ void write_java_usage(FILE* out, const string& method_name, const string& atom_c
int write_java_non_chained_methods(FILE* out, const map<vector<java_type_t>,
set<string>>& signatures_to_modules,
const string& moduleName
);
const string& moduleName);
int write_java_work_source_methods(
FILE* out,
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const string& moduleName
);
const string& moduleName);
} // namespace stats_log_api_gen
} // namespace android