577 lines
22 KiB
C++
577 lines
22 KiB
C++
/*
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* Copyright (C) 2017, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Collation.h"
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#include <stdio.h>
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#include <map>
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#include "frameworks/base/cmds/statsd/src/atoms.pb.h"
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namespace android {
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namespace stats_log_api_gen {
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using google::protobuf::EnumDescriptor;
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using google::protobuf::FieldDescriptor;
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using google::protobuf::FileDescriptor;
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using google::protobuf::SourceLocation;
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using std::make_shared;
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using std::map;
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const bool dbg = false;
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//
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// AtomDecl class
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//
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AtomDecl::AtomDecl() : code(0), name() {
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}
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AtomDecl::AtomDecl(const AtomDecl& that)
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: code(that.code),
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name(that.name),
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message(that.message),
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fields(that.fields),
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fieldNumberToAnnotations(that.fieldNumberToAnnotations),
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primaryFields(that.primaryFields),
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exclusiveField(that.exclusiveField),
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defaultState(that.defaultState),
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triggerStateReset(that.triggerStateReset),
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nested(that.nested),
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uidField(that.uidField) {
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}
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AtomDecl::AtomDecl(int c, const string& n, const string& m) : code(c), name(n), message(m) {
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}
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AtomDecl::~AtomDecl() {
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}
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/**
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* Print an error message for a FieldDescriptor, including the file name and
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* line number.
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*/
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static void print_error(const FieldDescriptor* field, const char* format, ...) {
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const Descriptor* message = field->containing_type();
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const FileDescriptor* file = message->file();
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SourceLocation loc;
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if (field->GetSourceLocation(&loc)) {
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// TODO: this will work if we can figure out how to pass
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// --include_source_info to protoc
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fprintf(stderr, "%s:%d: ", file->name().c_str(), loc.start_line);
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} else {
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fprintf(stderr, "%s: ", file->name().c_str());
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}
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va_list args;
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va_start(args, format);
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vfprintf(stderr, format, args);
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va_end(args);
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}
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/**
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* Convert a protobuf type into a java type.
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*/
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static java_type_t java_type(const FieldDescriptor* field) {
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int protoType = field->type();
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switch (protoType) {
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case FieldDescriptor::TYPE_DOUBLE:
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return JAVA_TYPE_DOUBLE;
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case FieldDescriptor::TYPE_FLOAT:
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return JAVA_TYPE_FLOAT;
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case FieldDescriptor::TYPE_INT64:
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return JAVA_TYPE_LONG;
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case FieldDescriptor::TYPE_UINT64:
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return JAVA_TYPE_LONG;
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case FieldDescriptor::TYPE_INT32:
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return JAVA_TYPE_INT;
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case FieldDescriptor::TYPE_FIXED64:
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return JAVA_TYPE_LONG;
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case FieldDescriptor::TYPE_FIXED32:
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return JAVA_TYPE_INT;
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case FieldDescriptor::TYPE_BOOL:
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return JAVA_TYPE_BOOLEAN;
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case FieldDescriptor::TYPE_STRING:
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return JAVA_TYPE_STRING;
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case FieldDescriptor::TYPE_GROUP:
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return JAVA_TYPE_UNKNOWN;
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case FieldDescriptor::TYPE_MESSAGE:
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// TODO: not the final package name
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if (field->message_type()->full_name() == "android.os.statsd.AttributionNode") {
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return JAVA_TYPE_ATTRIBUTION_CHAIN;
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} else if (field->message_type()->full_name() == "android.os.statsd.KeyValuePair") {
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return JAVA_TYPE_KEY_VALUE_PAIR;
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} else if (field->options().GetExtension(os::statsd::log_mode) ==
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os::statsd::LogMode::MODE_BYTES) {
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return JAVA_TYPE_BYTE_ARRAY;
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} else {
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return JAVA_TYPE_OBJECT;
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}
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case FieldDescriptor::TYPE_BYTES:
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return JAVA_TYPE_BYTE_ARRAY;
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case FieldDescriptor::TYPE_UINT32:
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return JAVA_TYPE_INT;
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case FieldDescriptor::TYPE_ENUM:
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return JAVA_TYPE_ENUM;
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case FieldDescriptor::TYPE_SFIXED32:
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return JAVA_TYPE_INT;
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case FieldDescriptor::TYPE_SFIXED64:
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return JAVA_TYPE_LONG;
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case FieldDescriptor::TYPE_SINT32:
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return JAVA_TYPE_INT;
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case FieldDescriptor::TYPE_SINT64:
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return JAVA_TYPE_LONG;
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default:
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return JAVA_TYPE_UNKNOWN;
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}
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}
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/**
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* Gather the enums info.
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*/
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void collate_enums(const EnumDescriptor& enumDescriptor, AtomField* atomField) {
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for (int i = 0; i < enumDescriptor.value_count(); i++) {
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atomField->enumValues[enumDescriptor.value(i)->number()] =
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enumDescriptor.value(i)->name().c_str();
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}
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}
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static void addAnnotationToAtomDecl(AtomDecl* atomDecl, const int fieldNumber,
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const AnnotationId annotationId,
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const AnnotationType annotationType,
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const AnnotationValue annotationValue) {
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if (dbg) {
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printf(" Adding annotation to %s: [%d] = {id: %d, type: %d}\n", atomDecl->name.c_str(),
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fieldNumber, annotationId, annotationType);
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}
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atomDecl->fieldNumberToAnnotations[fieldNumber].insert(
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make_shared<Annotation>(annotationId, atomDecl->code, annotationType, annotationValue));
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}
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static int collate_field_annotations(AtomDecl* atomDecl, const FieldDescriptor* field,
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const int fieldNumber, const java_type_t& javaType) {
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int errorCount = 0;
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if (field->options().HasExtension(os::statsd::state_field_option)) {
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const os::statsd::StateAtomFieldOption& stateFieldOption =
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field->options().GetExtension(os::statsd::state_field_option);
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const bool primaryField = stateFieldOption.primary_field();
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const bool exclusiveState = stateFieldOption.exclusive_state();
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const bool primaryFieldFirstUid = stateFieldOption.primary_field_first_uid();
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// Check the field is only one of primaryField, exclusiveState, or primaryFieldFirstUid.
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if (primaryField + primaryFieldFirstUid + exclusiveState > 1) {
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print_error(field,
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"Field can be max 1 of primary_field, exclusive_state, "
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"or primary_field_first_uid: '%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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}
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if (primaryField) {
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if (javaType == JAVA_TYPE_UNKNOWN || javaType == JAVA_TYPE_ATTRIBUTION_CHAIN ||
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javaType == JAVA_TYPE_OBJECT || javaType == JAVA_TYPE_BYTE_ARRAY) {
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print_error(field, "Invalid primary state field: '%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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} else {
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atomDecl->primaryFields.push_back(fieldNumber);
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addAnnotationToAtomDecl(atomDecl, fieldNumber, ANNOTATION_ID_PRIMARY_FIELD,
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ANNOTATION_TYPE_BOOL, AnnotationValue(true));
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}
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}
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if (primaryFieldFirstUid) {
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if (javaType != JAVA_TYPE_ATTRIBUTION_CHAIN) {
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print_error(field,
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"PRIMARY_FIELD_FIRST_UID annotation is only for AttributionChains: "
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"'%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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} else {
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atomDecl->primaryFields.push_back(FIRST_UID_IN_CHAIN_ID);
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addAnnotationToAtomDecl(atomDecl, fieldNumber,
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ANNOTATION_ID_PRIMARY_FIELD_FIRST_UID, ANNOTATION_TYPE_BOOL,
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AnnotationValue(true));
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}
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}
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if (exclusiveState) {
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if (javaType == JAVA_TYPE_UNKNOWN || javaType == JAVA_TYPE_ATTRIBUTION_CHAIN ||
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javaType == JAVA_TYPE_OBJECT || javaType == JAVA_TYPE_BYTE_ARRAY) {
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print_error(field, "Invalid exclusive state field: '%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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}
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if (atomDecl->exclusiveField != 0) {
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print_error(field,
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"Cannot have more than one exclusive state field in an "
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"atom: '%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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} else {
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atomDecl->exclusiveField = fieldNumber;
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addAnnotationToAtomDecl(atomDecl, fieldNumber, ANNOTATION_ID_EXCLUSIVE_STATE,
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ANNOTATION_TYPE_BOOL, AnnotationValue(true));
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}
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if (stateFieldOption.has_default_state_value()) {
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const int defaultState = stateFieldOption.default_state_value();
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atomDecl->defaultState = defaultState;
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addAnnotationToAtomDecl(atomDecl, fieldNumber, ANNOTATION_ID_DEFAULT_STATE,
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ANNOTATION_TYPE_INT, AnnotationValue(defaultState));
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}
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if (stateFieldOption.has_trigger_state_reset_value()) {
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const int triggerStateReset = stateFieldOption.trigger_state_reset_value();
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atomDecl->triggerStateReset = triggerStateReset;
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addAnnotationToAtomDecl(atomDecl, fieldNumber, ANNOTATION_ID_TRIGGER_STATE_RESET,
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ANNOTATION_TYPE_INT, AnnotationValue(triggerStateReset));
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}
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if (stateFieldOption.has_nested()) {
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const bool nested = stateFieldOption.nested();
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atomDecl->nested = nested;
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addAnnotationToAtomDecl(atomDecl, fieldNumber, ANNOTATION_ID_STATE_NESTED,
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ANNOTATION_TYPE_BOOL, AnnotationValue(nested));
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}
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}
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}
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if (field->options().GetExtension(os::statsd::is_uid) == true) {
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if (javaType != JAVA_TYPE_INT) {
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print_error(field, "is_uid annotation can only be applied to int32 fields: '%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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}
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if (atomDecl->uidField == 0) {
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atomDecl->uidField = fieldNumber;
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addAnnotationToAtomDecl(atomDecl, fieldNumber, ANNOTATION_ID_IS_UID,
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ANNOTATION_TYPE_BOOL, AnnotationValue(true));
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} else {
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print_error(field,
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"Cannot have more than one field in an atom with is_uid "
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"annotation: '%s'\n",
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atomDecl->message.c_str());
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errorCount++;
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}
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}
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return errorCount;
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}
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/**
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* Gather the info about an atom proto.
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*/
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int collate_atom(const Descriptor* atom, AtomDecl* atomDecl, vector<java_type_t>* signature) {
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int errorCount = 0;
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// Build a sorted list of the fields. Descriptor has them in source file
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// order.
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map<int, const FieldDescriptor*> fields;
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for (int j = 0; j < atom->field_count(); j++) {
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const FieldDescriptor* field = atom->field(j);
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fields[field->number()] = field;
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}
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// Check that the parameters start at 1 and go up sequentially.
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int expectedNumber = 1;
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for (map<int, const FieldDescriptor*>::const_iterator it = fields.begin(); it != fields.end();
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it++) {
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const int number = it->first;
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const FieldDescriptor* field = it->second;
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if (number != expectedNumber) {
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print_error(field,
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"Fields must be numbered consecutively starting at 1:"
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" '%s' is %d but should be %d\n",
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field->name().c_str(), number, expectedNumber);
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errorCount++;
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expectedNumber = number;
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continue;
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}
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expectedNumber++;
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}
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// Check that only allowed types are present. Remove any invalid ones.
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for (map<int, const FieldDescriptor*>::const_iterator it = fields.begin(); it != fields.end();
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it++) {
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const FieldDescriptor* field = it->second;
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bool isBinaryField = field->options().GetExtension(os::statsd::log_mode) ==
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os::statsd::LogMode::MODE_BYTES;
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java_type_t javaType = java_type(field);
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if (javaType == JAVA_TYPE_UNKNOWN) {
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print_error(field, "Unknown type for field: %s\n", field->name().c_str());
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errorCount++;
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continue;
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} else if (javaType == JAVA_TYPE_OBJECT && atomDecl->code < PULL_ATOM_START_ID) {
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// Allow attribution chain, but only at position 1.
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print_error(field, "Message type not allowed for field in pushed atoms: %s\n",
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field->name().c_str());
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errorCount++;
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continue;
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} else if (javaType == JAVA_TYPE_BYTE_ARRAY && !isBinaryField) {
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print_error(field, "Raw bytes type not allowed for field: %s\n", field->name().c_str());
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errorCount++;
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continue;
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}
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if (isBinaryField && javaType != JAVA_TYPE_BYTE_ARRAY) {
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print_error(field, "Cannot mark field %s as bytes.\n", field->name().c_str());
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errorCount++;
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continue;
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}
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// Doubles are not supported yet.
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if (javaType == JAVA_TYPE_DOUBLE) {
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print_error(field,
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"Doubles are not supported in atoms. Please change field %s "
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"to float\n",
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field->name().c_str());
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errorCount++;
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continue;
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}
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if (field->is_repeated() &&
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!(javaType == JAVA_TYPE_ATTRIBUTION_CHAIN || javaType == JAVA_TYPE_KEY_VALUE_PAIR)) {
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print_error(field,
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"Repeated fields are not supported in atoms. Please make "
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"field %s not "
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"repeated.\n",
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field->name().c_str());
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errorCount++;
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continue;
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}
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}
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// Check that if there's an attribution chain, it's at position 1.
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for (map<int, const FieldDescriptor*>::const_iterator it = fields.begin(); it != fields.end();
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it++) {
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int number = it->first;
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if (number != 1) {
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const FieldDescriptor* field = it->second;
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java_type_t javaType = java_type(field);
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if (javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
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print_error(field,
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"AttributionChain fields must have field id 1, in message: '%s'\n",
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atom->name().c_str());
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errorCount++;
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}
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}
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}
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// Build the type signature and the atom data.
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for (map<int, const FieldDescriptor*>::const_iterator it = fields.begin(); it != fields.end();
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it++) {
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const FieldDescriptor* field = it->second;
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java_type_t javaType = java_type(field);
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bool isBinaryField = field->options().GetExtension(os::statsd::log_mode) ==
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os::statsd::LogMode::MODE_BYTES;
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AtomField atField(field->name(), javaType);
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if (javaType == JAVA_TYPE_ENUM) {
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// All enums are treated as ints when it comes to function signatures.
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collate_enums(*field->enum_type(), &atField);
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}
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// Generate signature for pushed atoms
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if (atomDecl->code < PULL_ATOM_START_ID) {
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if (javaType == JAVA_TYPE_ENUM) {
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// All enums are treated as ints when it comes to function signatures.
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signature->push_back(JAVA_TYPE_INT);
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} else if (javaType == JAVA_TYPE_OBJECT && isBinaryField) {
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signature->push_back(JAVA_TYPE_BYTE_ARRAY);
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} else {
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signature->push_back(javaType);
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}
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}
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atomDecl->fields.push_back(atField);
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errorCount += collate_field_annotations(atomDecl, field, it->first, javaType);
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}
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return errorCount;
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}
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// This function flattens the fields of the AttributionNode proto in an Atom
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// proto and generates the corresponding atom decl and signature.
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bool get_non_chained_node(const Descriptor* atom, AtomDecl* atomDecl,
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vector<java_type_t>* signature) {
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// Build a sorted list of the fields. Descriptor has them in source file
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// order.
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map<int, const FieldDescriptor*> fields;
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for (int j = 0; j < atom->field_count(); j++) {
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const FieldDescriptor* field = atom->field(j);
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fields[field->number()] = field;
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}
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AtomDecl attributionDecl;
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vector<java_type_t> attributionSignature;
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collate_atom(android::os::statsd::AttributionNode::descriptor(), &attributionDecl,
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&attributionSignature);
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// Build the type signature and the atom data.
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bool has_attribution_node = false;
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for (map<int, const FieldDescriptor*>::const_iterator it = fields.begin(); it != fields.end();
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it++) {
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const FieldDescriptor* field = it->second;
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java_type_t javaType = java_type(field);
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if (javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
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atomDecl->fields.insert(atomDecl->fields.end(), attributionDecl.fields.begin(),
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attributionDecl.fields.end());
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signature->insert(signature->end(), attributionSignature.begin(),
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attributionSignature.end());
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has_attribution_node = true;
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} else {
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AtomField atField(field->name(), javaType);
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if (javaType == JAVA_TYPE_ENUM) {
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// All enums are treated as ints when it comes to function signatures.
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signature->push_back(JAVA_TYPE_INT);
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collate_enums(*field->enum_type(), &atField);
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} else {
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signature->push_back(javaType);
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}
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atomDecl->fields.push_back(atField);
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}
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}
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return has_attribution_node;
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}
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static void populateFieldNumberToAtomDeclSet(const shared_ptr<AtomDecl>& atomDecl,
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FieldNumberToAtomDeclSet* fieldNumberToAtomDeclSet) {
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for (FieldNumberToAnnotations::const_iterator it = atomDecl->fieldNumberToAnnotations.begin();
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it != atomDecl->fieldNumberToAnnotations.end(); it++) {
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const int fieldNumber = it->first;
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(*fieldNumberToAtomDeclSet)[fieldNumber].insert(atomDecl);
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}
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}
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/**
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* Gather the info about the atoms.
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*/
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int collate_atoms(const Descriptor* descriptor, const string& moduleName, Atoms* atoms) {
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int errorCount = 0;
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for (int i = 0; i < descriptor->field_count(); i++) {
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const FieldDescriptor* atomField = descriptor->field(i);
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if (moduleName != DEFAULT_MODULE_NAME) {
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const int moduleCount = atomField->options().ExtensionSize(os::statsd::module);
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int j;
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for (j = 0; j < moduleCount; ++j) {
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const string atomModuleName =
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atomField->options().GetExtension(os::statsd::module, j);
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if (atomModuleName == moduleName) {
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break;
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}
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}
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// This atom is not in the module we're interested in; skip it.
|
|
if (moduleCount == j) {
|
|
if (dbg) {
|
|
printf(" Skipping %s (%d)\n", atomField->name().c_str(), atomField->number());
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (dbg) {
|
|
printf(" %s (%d)\n", atomField->name().c_str(), atomField->number());
|
|
}
|
|
|
|
// StatsEvent only has one oneof, which contains only messages. Don't allow
|
|
// other types.
|
|
if (atomField->type() != FieldDescriptor::TYPE_MESSAGE) {
|
|
print_error(atomField,
|
|
"Bad type for atom. StatsEvent can only have message type "
|
|
"fields: %s\n",
|
|
atomField->name().c_str());
|
|
errorCount++;
|
|
continue;
|
|
}
|
|
|
|
const Descriptor* atom = atomField->message_type();
|
|
shared_ptr<AtomDecl> atomDecl =
|
|
make_shared<AtomDecl>(atomField->number(), atomField->name(), atom->name());
|
|
|
|
if (atomDecl->code < PULL_ATOM_START_ID &&
|
|
atomField->options().GetExtension(os::statsd::truncate_timestamp)) {
|
|
addAnnotationToAtomDecl(atomDecl.get(), ATOM_ID_FIELD_NUMBER,
|
|
ANNOTATION_ID_TRUNCATE_TIMESTAMP, ANNOTATION_TYPE_BOOL,
|
|
AnnotationValue(true));
|
|
if (dbg) {
|
|
printf("%s can have timestamp truncated\n", atomField->name().c_str());
|
|
}
|
|
}
|
|
|
|
vector<java_type_t> signature;
|
|
errorCount += collate_atom(atom, atomDecl.get(), &signature);
|
|
if (atomDecl->primaryFields.size() != 0 && atomDecl->exclusiveField == 0) {
|
|
print_error(atomField, "Cannot have a primary field without an exclusive field: %s\n",
|
|
atomField->name().c_str());
|
|
errorCount++;
|
|
continue;
|
|
}
|
|
|
|
FieldNumberToAtomDeclSet& fieldNumberToAtomDeclSet = atoms->signatureInfoMap[signature];
|
|
populateFieldNumberToAtomDeclSet(atomDecl, &fieldNumberToAtomDeclSet);
|
|
|
|
atoms->decls.insert(atomDecl);
|
|
|
|
shared_ptr<AtomDecl> nonChainedAtomDecl =
|
|
make_shared<AtomDecl>(atomField->number(), atomField->name(), atom->name());
|
|
vector<java_type_t> nonChainedSignature;
|
|
if (get_non_chained_node(atom, nonChainedAtomDecl.get(), &nonChainedSignature)) {
|
|
FieldNumberToAtomDeclSet& nonChainedFieldNumberToAtomDeclSet =
|
|
atoms->nonChainedSignatureInfoMap[nonChainedSignature];
|
|
populateFieldNumberToAtomDeclSet(nonChainedAtomDecl,
|
|
&nonChainedFieldNumberToAtomDeclSet);
|
|
|
|
atoms->non_chained_decls.insert(nonChainedAtomDecl);
|
|
}
|
|
}
|
|
|
|
if (dbg) {
|
|
printf("signatures = [\n");
|
|
for (SignatureInfoMap::const_iterator it = atoms->signatureInfoMap.begin();
|
|
it != atoms->signatureInfoMap.end(); it++) {
|
|
printf(" ");
|
|
for (vector<java_type_t>::const_iterator jt = it->first.begin(); jt != it->first.end();
|
|
jt++) {
|
|
printf(" %d", (int)*jt);
|
|
}
|
|
printf("\n");
|
|
}
|
|
printf("]\n");
|
|
}
|
|
|
|
return errorCount;
|
|
}
|
|
|
|
} // namespace stats_log_api_gen
|
|
} // namespace android
|