Muhammad Qureshi 9effe48706 Use StatsEvent in Java autogenerated code
The change is guarded by STATS_SCHEMA_LEGACY flag in the autogenerator
Android.bp.

The flag can only be removed once rest of statsd switches over to the
new socket schema.

The new autogeneration uses StatsEvent for both Mainline module
clients and the default platform client. For Mainline modules, the
autogenerated code uses a runtime dessert version check to use new
socket schema on R+ platforms and the legacy schema on the older
platforms.

The legacy schema is encapsulated in a separate autogenerated inner
class called QLogger.

generated DocumentsStatsLog.java: https://paste.googleplex.com/4665805503463424
generated StatsLogInternal.java: https://paste.googleplex.com/5955095055302656
generated android_util_StatsLogInternal.cpp:
    https://paste.googleplex.com/6737331711115264

Bug: 142811546
Test: m -j && m -j DocumentsUIGoogle
Test: Flashes successfully and events are logged to statsd
Change-Id: I4c804eaf4d5ae78001146c89ebe46dfb0a453853
2019-11-25 12:50:49 -08:00

1468 lines
59 KiB
C++

#include "Collation.h"
#if !defined(STATS_SCHEMA_LEGACY)
#include "java_writer.h"
#endif
#include "java_writer_q.h"
#include "utils.h"
#include "frameworks/base/cmds/statsd/src/atoms.pb.h"
#include <map>
#include <set>
#include <vector>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "android-base/strings.h"
using namespace google::protobuf;
using namespace std;
namespace android {
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.
#if defined(STATS_SCHEMA_LEGACY)
// JNI helpers.
static const char*
jni_type_name(java_type_t type)
{
switch (type) {
case JAVA_TYPE_BOOLEAN:
return "jboolean";
case JAVA_TYPE_INT:
case JAVA_TYPE_ENUM:
return "jint";
case JAVA_TYPE_LONG:
return "jlong";
case JAVA_TYPE_FLOAT:
return "jfloat";
case JAVA_TYPE_DOUBLE:
return "jdouble";
case JAVA_TYPE_STRING:
return "jstring";
case JAVA_TYPE_BYTE_ARRAY:
return "jbyteArray";
default:
return "UNKNOWN";
}
}
static const char*
jni_array_type_name(java_type_t type)
{
switch (type) {
case JAVA_TYPE_INT:
return "jintArray";
case JAVA_TYPE_FLOAT:
return "jfloatArray";
case JAVA_TYPE_STRING:
return "jobjectArray";
default:
return "UNKNOWN";
}
}
static string
jni_function_name(const string& method_name, const vector<java_type_t>& signature)
{
string result("StatsLog_" + method_name);
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
switch (*arg) {
case JAVA_TYPE_BOOLEAN:
result += "_boolean";
break;
case JAVA_TYPE_INT:
case JAVA_TYPE_ENUM:
result += "_int";
break;
case JAVA_TYPE_LONG:
result += "_long";
break;
case JAVA_TYPE_FLOAT:
result += "_float";
break;
case JAVA_TYPE_DOUBLE:
result += "_double";
break;
case JAVA_TYPE_STRING:
result += "_String";
break;
case JAVA_TYPE_ATTRIBUTION_CHAIN:
result += "_AttributionChain";
break;
case JAVA_TYPE_KEY_VALUE_PAIR:
result += "_KeyValuePairs";
break;
case JAVA_TYPE_BYTE_ARRAY:
result += "_bytes";
break;
default:
result += "_UNKNOWN";
break;
}
}
return result;
}
static const char*
java_type_signature(java_type_t type)
{
switch (type) {
case JAVA_TYPE_BOOLEAN:
return "Z";
case JAVA_TYPE_INT:
case JAVA_TYPE_ENUM:
return "I";
case JAVA_TYPE_LONG:
return "J";
case JAVA_TYPE_FLOAT:
return "F";
case JAVA_TYPE_DOUBLE:
return "D";
case JAVA_TYPE_STRING:
return "Ljava/lang/String;";
case JAVA_TYPE_BYTE_ARRAY:
return "[B";
default:
return "UNKNOWN";
}
}
static string
jni_function_signature(const vector<java_type_t>& signature, const AtomDecl &attributionDecl)
{
string result("(I");
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) {
result += "[";
result += java_type_signature(chainField.javaType);
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
result += "Landroid/util/SparseArray;";
} else {
result += java_type_signature(*arg);
}
}
result += ")I";
return result;
}
static void write_key_value_map_jni(FILE* out) {
fprintf(out, " std::map<int, int32_t> int32_t_map;\n");
fprintf(out, " std::map<int, int64_t> int64_t_map;\n");
fprintf(out, " std::map<int, float> float_map;\n");
fprintf(out, " std::map<int, char const*> string_map;\n\n");
fprintf(out, " jclass jmap_class = env->FindClass(\"android/util/SparseArray\");\n");
fprintf(out, " jmethodID jget_size_method = env->GetMethodID(jmap_class, \"size\", \"()I\");\n");
fprintf(out, " jmethodID jget_key_method = env->GetMethodID(jmap_class, \"keyAt\", \"(I)I\");\n");
fprintf(out, " jmethodID jget_value_method = env->GetMethodID(jmap_class, \"valueAt\", \"(I)Ljava/lang/Object;\");\n\n");
fprintf(out, " std::vector<std::unique_ptr<ScopedUtfChars>> scoped_ufs;\n\n");
fprintf(out, " jclass jint_class = env->FindClass(\"java/lang/Integer\");\n");
fprintf(out, " jclass jlong_class = env->FindClass(\"java/lang/Long\");\n");
fprintf(out, " jclass jfloat_class = env->FindClass(\"java/lang/Float\");\n");
fprintf(out, " jclass jstring_class = env->FindClass(\"java/lang/String\");\n");
fprintf(out, " jmethodID jget_int_method = env->GetMethodID(jint_class, \"intValue\", \"()I\");\n");
fprintf(out, " jmethodID jget_long_method = env->GetMethodID(jlong_class, \"longValue\", \"()J\");\n");
fprintf(out, " jmethodID jget_float_method = env->GetMethodID(jfloat_class, \"floatValue\", \"()F\");\n\n");
fprintf(out, " jint jsize = env->CallIntMethod(value_map, jget_size_method);\n");
fprintf(out, " for(int i = 0; i < jsize; i++) {\n");
fprintf(out, " jint key = env->CallIntMethod(value_map, jget_key_method, i);\n");
fprintf(out, " jobject jvalue_obj = env->CallObjectMethod(value_map, jget_value_method, i);\n");
fprintf(out, " if (jvalue_obj == NULL) { continue; }\n");
fprintf(out, " if (env->IsInstanceOf(jvalue_obj, jint_class)) {\n");
fprintf(out, " int32_t_map[key] = env->CallIntMethod(jvalue_obj, jget_int_method);\n");
fprintf(out, " } else if (env->IsInstanceOf(jvalue_obj, jlong_class)) {\n");
fprintf(out, " int64_t_map[key] = env->CallLongMethod(jvalue_obj, jget_long_method);\n");
fprintf(out, " } else if (env->IsInstanceOf(jvalue_obj, jfloat_class)) {\n");
fprintf(out, " float_map[key] = env->CallFloatMethod(jvalue_obj, jget_float_method);\n");
fprintf(out, " } else if (env->IsInstanceOf(jvalue_obj, jstring_class)) {\n");
fprintf(out, " std::unique_ptr<ScopedUtfChars> utf(new ScopedUtfChars(env, (jstring)jvalue_obj));\n");
fprintf(out, " if (utf->c_str() != NULL) { string_map[key] = utf->c_str(); }\n");
fprintf(out, " scoped_ufs.push_back(std::move(utf));\n");
fprintf(out, " }\n");
fprintf(out, " }\n");
}
static int
write_stats_log_jni_method(FILE* out, const string& java_method_name, const string& cpp_method_name,
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const AtomDecl &attributionDecl) {
// Print write methods
for (auto signature_to_modules_it = signatures_to_modules.begin();
signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
vector<java_type_t> signature = signature_to_modules_it->first;
int argIndex;
fprintf(out, "static int\n");
fprintf(out, "%s(JNIEnv* env, jobject clazz UNUSED, jint code",
jni_function_name(java_method_name, signature).c_str());
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) {
fprintf(out, ", %s %s", jni_array_type_name(chainField.javaType),
chainField.name.c_str());
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", jobject value_map");
} else {
fprintf(out, ", %s arg%d", jni_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ")\n");
fprintf(out, "{\n");
// Prepare strings
argIndex = 1;
bool hadStringOrChain = false;
bool isKeyValuePairAtom = false;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_STRING) {
hadStringOrChain = true;
fprintf(out, " const char* str%d;\n", argIndex);
fprintf(out, " if (arg%d != NULL) {\n", argIndex);
fprintf(out, " str%d = env->GetStringUTFChars(arg%d, NULL);\n",
argIndex, argIndex);
fprintf(out, " } else {\n");
fprintf(out, " str%d = NULL;\n", argIndex);
fprintf(out, " }\n");
} else if (*arg == JAVA_TYPE_BYTE_ARRAY) {
hadStringOrChain = true;
fprintf(out, " jbyte* jbyte_array%d;\n", argIndex);
fprintf(out, " const char* str%d;\n", argIndex);
fprintf(out, " int str%d_length = 0;\n", argIndex);
fprintf(out,
" if (arg%d != NULL && env->GetArrayLength(arg%d) > "
"0) {\n",
argIndex, argIndex);
fprintf(out,
" jbyte_array%d = "
"env->GetByteArrayElements(arg%d, NULL);\n",
argIndex, argIndex);
fprintf(out,
" str%d_length = env->GetArrayLength(arg%d);\n",
argIndex, argIndex);
fprintf(out,
" str%d = "
"reinterpret_cast<char*>(env->GetByteArrayElements(arg%"
"d, NULL));\n",
argIndex, argIndex);
fprintf(out, " } else {\n");
fprintf(out, " jbyte_array%d = NULL;\n", argIndex);
fprintf(out, " str%d = NULL;\n", argIndex);
fprintf(out, " }\n");
fprintf(out,
" android::util::BytesField bytesField%d(str%d, "
"str%d_length);",
argIndex, argIndex, argIndex);
} else if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
hadStringOrChain = true;
for (auto chainField : attributionDecl.fields) {
fprintf(out, " size_t %s_length = env->GetArrayLength(%s);\n",
chainField.name.c_str(), chainField.name.c_str());
if (chainField.name != attributionDecl.fields.front().name) {
fprintf(out, " if (%s_length != %s_length) {\n",
chainField.name.c_str(),
attributionDecl.fields.front().name.c_str());
fprintf(out, " return -EINVAL;\n");
fprintf(out, " }\n");
}
if (chainField.javaType == JAVA_TYPE_INT) {
fprintf(out, " jint* %s_array = env->GetIntArrayElements(%s, NULL);\n",
chainField.name.c_str(), chainField.name.c_str());
} else if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, " std::vector<%s> %s_vec;\n",
cpp_type_name(chainField.javaType), chainField.name.c_str());
fprintf(out, " std::vector<ScopedUtfChars*> scoped_%s_vec;\n",
chainField.name.c_str());
fprintf(out, " for (size_t i = 0; i < %s_length; ++i) {\n",
chainField.name.c_str());
fprintf(out, " jstring jstr = "
"(jstring)env->GetObjectArrayElement(%s, i);\n",
chainField.name.c_str());
fprintf(out, " if (jstr == NULL) {\n");
fprintf(out, " %s_vec.push_back(NULL);\n",
chainField.name.c_str());
fprintf(out, " } else {\n");
fprintf(out, " ScopedUtfChars* scoped_%s = "
"new ScopedUtfChars(env, jstr);\n",
chainField.name.c_str());
fprintf(out, " %s_vec.push_back(scoped_%s->c_str());\n",
chainField.name.c_str(), chainField.name.c_str());
fprintf(out, " scoped_%s_vec.push_back(scoped_%s);\n",
chainField.name.c_str(), chainField.name.c_str());
fprintf(out, " }\n");
fprintf(out, " }\n");
}
fprintf(out, "\n");
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
isKeyValuePairAtom = true;
}
argIndex++;
}
// Emit this to quiet the unused parameter warning if there were no strings or attribution
// chains.
if (!hadStringOrChain && !isKeyValuePairAtom) {
fprintf(out, " (void)env;\n");
}
if (isKeyValuePairAtom) {
write_key_value_map_jni(out);
}
// stats_write call
argIndex = 1;
fprintf(out, "\n int ret = android::util::%s(code",
cpp_method_name.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_INT) {
fprintf(out, ", (const %s*)%s_array, %s_length",
cpp_type_name(chainField.javaType),
chainField.name.c_str(), chainField.name.c_str());
} else if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", %s_vec", chainField.name.c_str());
}
}
} else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
fprintf(out, ", int32_t_map, int64_t_map, string_map, float_map");
} else if (*arg == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out, ", bytesField%d", argIndex);
} else {
const char* argName =
(*arg == JAVA_TYPE_STRING) ? "str" : "arg";
fprintf(out, ", (%s)%s%d", cpp_type_name(*arg), argName, argIndex);
}
argIndex++;
}
fprintf(out, ");\n");
fprintf(out, "\n");
// Clean up strings
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
arg != signature.end(); arg++) {
if (*arg == JAVA_TYPE_STRING) {
fprintf(out, " if (str%d != NULL) {\n", argIndex);
fprintf(out, " env->ReleaseStringUTFChars(arg%d, str%d);\n",
argIndex, argIndex);
fprintf(out, " }\n");
} else if (*arg == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out, " if (str%d != NULL) { \n", argIndex);
fprintf(out,
" env->ReleaseByteArrayElements(arg%d, "
"jbyte_array%d, 0);\n",
argIndex, argIndex);
fprintf(out, " }\n");
} else if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (auto chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_INT) {
fprintf(out, " env->ReleaseIntArrayElements(%s, %s_array, 0);\n",
chainField.name.c_str(), chainField.name.c_str());
} else if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, " for (size_t i = 0; i < scoped_%s_vec.size(); ++i) {\n",
chainField.name.c_str());
fprintf(out, " delete scoped_%s_vec[i];\n", chainField.name.c_str());
fprintf(out, " }\n");
}
}
}
argIndex++;
}
fprintf(out, " return ret;\n");
fprintf(out, "}\n");
fprintf(out, "\n");
}
return 0;
}
void write_jni_registration(FILE* out, const string& java_method_name,
const map<vector<java_type_t>, set<string>>& signatures_to_modules,
const AtomDecl &attributionDecl) {
for (auto signature_to_modules_it = signatures_to_modules.begin();
signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
vector<java_type_t> signature = signature_to_modules_it->first;
fprintf(out, " { \"%s\", \"%s\", (void*)%s },\n",
java_method_name.c_str(),
jni_function_signature(signature, attributionDecl).c_str(),
jni_function_name(java_method_name, signature).c_str());
}
}
#endif // JNI helpers.
static int
#if defined(STATS_SCHEMA_LEGACY)
write_stats_log_jni(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl)
#else
// Write empty JNI file that doesn't contain any JNI methods.
// TODO(b/145100015): remove this function and all JNI autogen code once StatsEvent migration is
// complete.
write_stats_log_jni(FILE* out)
#endif
{
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
#if defined(STATS_SCHEMA_LEGACY)
fprintf(out, "#include <statslog.h>\n");
fprintf(out, "\n");
fprintf(out, "#include <nativehelper/JNIHelp.h>\n");
fprintf(out, "#include <nativehelper/ScopedUtfChars.h>\n");
fprintf(out, "#include <utils/Vector.h>\n");
#endif
fprintf(out, "#include \"core_jni_helpers.h\"\n");
fprintf(out, "#include \"jni.h\"\n");
fprintf(out, "\n");
#if defined(STATS_SCHEMA_LEGACY)
fprintf(out, "#define UNUSED __attribute__((__unused__))\n");
fprintf(out, "\n");
#endif
fprintf(out, "namespace android {\n");
fprintf(out, "\n");
#if defined(STATS_SCHEMA_LEGACY)
write_stats_log_jni_method(out, "write", "stats_write", atoms.signatures_to_modules, attributionDecl);
write_stats_log_jni_method(out, "write_non_chained", "stats_write_non_chained",
atoms.non_chained_signatures_to_modules, attributionDecl);
#endif
// Print registration function table
fprintf(out, "/*\n");
fprintf(out, " * JNI registration.\n");
fprintf(out, " */\n");
fprintf(out, "static const JNINativeMethod gRegisterMethods[] = {\n");
#if defined(STATS_SCHEMA_LEGACY)
write_jni_registration(out, "write", atoms.signatures_to_modules, attributionDecl);
write_jni_registration(out, "write_non_chained", atoms.non_chained_signatures_to_modules,
attributionDecl);
#endif
fprintf(out, "};\n");
fprintf(out, "\n");
// Print registration function
fprintf(out, "int register_android_util_StatsLogInternal(JNIEnv* env) {\n");
fprintf(out, " return RegisterMethodsOrDie(\n");
fprintf(out, " env,\n");
fprintf(out, " \"android/util/StatsLogInternal\",\n");
fprintf(out, " gRegisterMethods, NELEM(gRegisterMethods));\n");
fprintf(out, "}\n");
fprintf(out, "\n");
fprintf(out, "} // namespace android\n");
return 0;
}
static void
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, " --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, " --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");}
/**
* Do the argument parsing and execute the tasks.
*/
static int
run(int argc, char const*const* argv)
{
string cppFilename;
string headerFilename;
string javaFilename;
string jniFilename;
string moduleName = DEFAULT_MODULE_NAME;
string cppNamespace = DEFAULT_CPP_NAMESPACE;
string cppHeaderImport = DEFAULT_CPP_HEADER_IMPORT;
string javaPackage = DEFAULT_JAVA_PACKAGE;
string javaClass = DEFAULT_JAVA_CLASS;
int index = 1;
while (index < argc) {
if (0 == strcmp("--help", argv[index])) {
print_usage();
return 0;
} else if (0 == strcmp("--cpp", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
cppFilename = argv[index];
} else if (0 == strcmp("--header", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
headerFilename = argv[index];
} else if (0 == strcmp("--java", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
javaFilename = argv[index];
} else if (0 == strcmp("--jni", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
jniFilename = argv[index];
} else if (0 == strcmp("--module", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
moduleName = argv[index];
} else if (0 == strcmp("--namespace", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
cppNamespace = argv[index];
} else if (0 == strcmp("--importHeader", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
cppHeaderImport = argv[index];
} else if (0 == strcmp("--javaPackage", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
javaPackage = argv[index];
} else if (0 == strcmp("--javaClass", argv[index])) {
index++;
if (index >= argc) {
print_usage();
return 1;
}
javaClass = argv[index];
}
index++;
}
if (cppFilename.size() == 0
&& headerFilename.size() == 0
&& javaFilename.size() == 0
&& jniFilename.size() == 0) {
print_usage();
return 1;
}
// Collate the parameters
Atoms atoms;
int errorCount = collate_atoms(Atom::descriptor(), &atoms);
if (errorCount != 0) {
return 1;
}
AtomDecl attributionDecl;
vector<java_type_t> attributionSignature;
collate_atom(android::os::statsd::AttributionNode::descriptor(),
&attributionDecl, &attributionSignature);
// Write the .cpp file
if (cppFilename.size() != 0) {
FILE* out = fopen(cppFilename.c_str(), "w");
if (out == NULL) {
fprintf(stderr, "Unable to open file for write: %s\n", cppFilename.c_str());
return 1;
}
// If this is for a specific module, the namespace must also be provided.
if (moduleName != DEFAULT_MODULE_NAME && cppNamespace == DEFAULT_CPP_NAMESPACE) {
fprintf(stderr, "Must supply --namespace if supplying a specific module\n");
return 1;
}
// If this is for a specific module, the header file to import must also be provided.
if (moduleName != DEFAULT_MODULE_NAME && cppHeaderImport == DEFAULT_CPP_HEADER_IMPORT) {
fprintf(stderr, "Must supply --headerImport if supplying a specific module\n");
return 1;
}
errorCount = android::stats_log_api_gen::write_stats_log_cpp(
out, atoms, attributionDecl, moduleName, cppNamespace, cppHeaderImport);
fclose(out);
}
// Write the .h file
if (headerFilename.size() != 0) {
FILE* out = fopen(headerFilename.c_str(), "w");
if (out == NULL) {
fprintf(stderr, "Unable to open file for write: %s\n", headerFilename.c_str());
return 1;
}
// If this is for a specific module, the namespace must also be provided.
if (moduleName != DEFAULT_MODULE_NAME && cppNamespace == DEFAULT_CPP_NAMESPACE) {
fprintf(stderr, "Must supply --namespace if supplying a specific module\n");
}
errorCount = android::stats_log_api_gen::write_stats_log_header(
out, atoms, attributionDecl, moduleName, cppNamespace);
fclose(out);
}
// Write the .java file
if (javaFilename.size() != 0) {
FILE* out = fopen(javaFilename.c_str(), "w");
if (out == NULL) {
fprintf(stderr, "Unable to open file for write: %s\n", javaFilename.c_str());
return 1;
}
// If this is for a specific module, the java package must also be provided.
if (moduleName != DEFAULT_MODULE_NAME && javaPackage== DEFAULT_JAVA_PACKAGE) {
fprintf(stderr, "Must supply --javaPackage if supplying a specific module\n");
return 1;
}
#if defined(STATS_SCHEMA_LEGACY)
if (moduleName == DEFAULT_MODULE_NAME) {
errorCount = android::stats_log_api_gen::write_stats_log_java_q(
out, atoms, attributionDecl);
} else {
errorCount = android::stats_log_api_gen::write_stats_log_java_q_for_module(
out, atoms, attributionDecl, moduleName, javaClass, javaPackage);
}
#else
if (moduleName == DEFAULT_MODULE_NAME) {
javaClass = "StatsLogInternal";
javaPackage = "android.util";
}
errorCount = android::stats_log_api_gen::write_stats_log_java(
out, atoms, attributionDecl, moduleName, javaClass, javaPackage);
#endif
fclose(out);
}
// Write the jni file
if (jniFilename.size() != 0) {
FILE* out = fopen(jniFilename.c_str(), "w");
if (out == NULL) {
fprintf(stderr, "Unable to open file for write: %s\n", jniFilename.c_str());
return 1;
}
#if defined(STATS_SCHEMA_LEGACY)
errorCount = android::stats_log_api_gen::write_stats_log_jni(
out, atoms, attributionDecl);
#else
errorCount = android::stats_log_api_gen::write_stats_log_jni(out);
#endif
fclose(out);
}
return errorCount;
}
} // namespace stats_log_api_gen
} // namespace android
/**
* Main.
*/
int
main(int argc, char const*const* argv)
{
GOOGLE_PROTOBUF_VERIFY_VERSION;
return android::stats_log_api_gen::run(argc, argv);
}