| |
| |
| #include "Collation.h" |
| |
| #include "frameworks/base/cmds/statsd/src/atoms.pb.h" |
| |
| #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 { |
| |
| const int PULL_ATOM_START_ID = 1000; |
| |
| int maxPushedAtomId = 2; |
| |
| const string DEFAULT_MODULE_NAME = "DEFAULT"; |
| const string DEFAULT_CPP_NAMESPACE = "android,util"; |
| const string DEFAULT_CPP_HEADER_IMPORT = "statslog.h"; |
| const string DEFAULT_JAVA_PACKAGE = "android.util"; |
| const string DEFAULT_JAVA_CLASS = "StatsLogInternal"; |
| |
| const int JAVA_MODULE_REQUIRES_FLOAT = 0x01; |
| const int JAVA_MODULE_REQUIRES_ATTRIBUTION = 0x02; |
| |
| using android::os::statsd::Atom; |
| |
| /** |
| * Turn lower and camel case into upper case with underscores. |
| */ |
| static string |
| make_constant_name(const string& str) |
| { |
| string result; |
| const int N = str.size(); |
| bool underscore_next = false; |
| for (int i=0; i<N; i++) { |
| char c = str[i]; |
| if (c >= 'A' && c <= 'Z') { |
| if (underscore_next) { |
| result += '_'; |
| underscore_next = false; |
| } |
| } else if (c >= 'a' && c <= 'z') { |
| c = 'A' + c - 'a'; |
| underscore_next = true; |
| } else if (c == '_') { |
| underscore_next = false; |
| } |
| result += c; |
| } |
| return result; |
| } |
| |
| static const char* |
| cpp_type_name(java_type_t type) |
| { |
| switch (type) { |
| case JAVA_TYPE_BOOLEAN: |
| return "bool"; |
| case JAVA_TYPE_INT: |
| case JAVA_TYPE_ENUM: |
| return "int32_t"; |
| case JAVA_TYPE_LONG: |
| return "int64_t"; |
| case JAVA_TYPE_FLOAT: |
| return "float"; |
| case JAVA_TYPE_DOUBLE: |
| return "double"; |
| case JAVA_TYPE_STRING: |
| return "char const*"; |
| case JAVA_TYPE_BYTE_ARRAY: |
| return "const BytesField&"; |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| static const char* |
| java_type_name(java_type_t type) |
| { |
| switch (type) { |
| case JAVA_TYPE_BOOLEAN: |
| return "boolean"; |
| case JAVA_TYPE_INT: |
| case JAVA_TYPE_ENUM: |
| return "int"; |
| case JAVA_TYPE_LONG: |
| return "long"; |
| case JAVA_TYPE_FLOAT: |
| return "float"; |
| case JAVA_TYPE_DOUBLE: |
| return "double"; |
| case JAVA_TYPE_STRING: |
| return "java.lang.String"; |
| case JAVA_TYPE_BYTE_ARRAY: |
| return "byte[]"; |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| static bool atom_needed_for_module(const AtomDecl& atomDecl, const string& moduleName) { |
| if (moduleName == DEFAULT_MODULE_NAME) { |
| return true; |
| } |
| return atomDecl.hasModule && (moduleName == atomDecl.moduleName); |
| } |
| |
| static bool signature_needed_for_module(const set<string>& modules, const string& moduleName) { |
| if (moduleName == DEFAULT_MODULE_NAME) { |
| return true; |
| } |
| return modules.find(moduleName) != modules.end(); |
| } |
| |
| 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::kNotTruncatingTimestampAtomWhiteList = {\n"); |
| for (set<AtomDecl>::const_iterator atom = atoms.decls.begin(); |
| atom != atoms.decls.end(); atom++) { |
| if (kTruncatingAtomNames.find(atom->name) == |
| kTruncatingAtomNames.end()) { |
| string constant = make_constant_name(atom->name); |
| fprintf(out, " %s,\n", constant.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, "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 { |
| 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_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 { |
| 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 { |
| fprintf(out, ", arg%d", argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ");\n"); |
| fprintf(out, " if (ret >= 0) { return retry; }\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, " 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) { return retry; }\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, " return ret;\n"); |
| fprintf(out, "}\n"); |
| |
| fprintf(out, "\n"); |
| } |
| |
| |
| // Print footer |
| fprintf(out, "\n"); |
| write_closing_namespace(out, cppNamespace); |
| |
| return 0; |
| } |
| |
| 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)); |
| } |
| } |
| |
| 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 { |
| 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 { |
| 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; |
| // Print 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"); |
| |
| 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> " |
| "kNotTruncatingTimestampAtomWhiteList;\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, "};\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; |
| } |
| |
| static void write_java_usage(FILE* out, const string& method_name, const string& atom_code_name, |
| const AtomDecl& atom) { |
| fprintf(out, " * Usage: StatsLog.%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) { |
| fprintf(out, ", android.os.WorkSource workSource"); |
| } else if (field->javaType == JAVA_TYPE_BYTE_ARRAY) { |
| fprintf(out, ", byte[] %s", field->name.c_str()); |
| } else { |
| fprintf(out, ", %s %s", java_type_name(field->javaType), field->name.c_str()); |
| } |
| } |
| fprintf(out, ");<br>\n"); |
| } |
| |
| static void write_java_method( |
| FILE* out, |
| const string& 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, " /** @hide */\n"); |
| fprintf(out, " public static native int %s(int 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) { |
| fprintf(out, ", %s[] %s", |
| java_type_name(chainField.javaType), chainField.name.c_str()); |
| } |
| } else { |
| fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ");\n"); |
| } |
| } |
| |
| static void write_java_helpers_for_module( |
| FILE * out, |
| const AtomDecl &attributionDecl, |
| const int requiredHelpers) { |
| fprintf(out, " private static void copyInt(byte[] buff, int pos, int val) {\n"); |
| fprintf(out, " buff[pos] = (byte) (val);\n"); |
| fprintf(out, " buff[pos + 1] = (byte) (val >> 8);\n"); |
| fprintf(out, " buff[pos + 2] = (byte) (val >> 16);\n"); |
| fprintf(out, " buff[pos + 3] = (byte) (val >> 24);\n"); |
| fprintf(out, " return;\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, "\n"); |
| |
| fprintf(out, " private static void copyLong(byte[] buff, int pos, long val) {\n"); |
| fprintf(out, " buff[pos] = (byte) (val);\n"); |
| fprintf(out, " buff[pos + 1] = (byte) (val >> 8);\n"); |
| fprintf(out, " buff[pos + 2] = (byte) (val >> 16);\n"); |
| fprintf(out, " buff[pos + 3] = (byte) (val >> 24);\n"); |
| fprintf(out, " buff[pos + 4] = (byte) (val >> 32);\n"); |
| fprintf(out, " buff[pos + 5] = (byte) (val >> 40);\n"); |
| fprintf(out, " buff[pos + 6] = (byte) (val >> 48);\n"); |
| fprintf(out, " buff[pos + 7] = (byte) (val >> 56);\n"); |
| fprintf(out, " return;\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, "\n"); |
| |
| if (requiredHelpers & JAVA_MODULE_REQUIRES_FLOAT) { |
| fprintf(out, " private static void copyFloat(byte[] buff, int pos, float val) {\n"); |
| fprintf(out, " copyInt(buff, pos, Float.floatToIntBits(val));\n"); |
| fprintf(out, " return;\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, "\n"); |
| } |
| |
| if (requiredHelpers & JAVA_MODULE_REQUIRES_ATTRIBUTION) { |
| fprintf(out, " private static void writeAttributionChain(byte[] buff, int pos"); |
| for (auto chainField : attributionDecl.fields) { |
| fprintf(out, ", %s[] %s", |
| java_type_name(chainField.javaType), chainField.name.c_str()); |
| } |
| fprintf(out, ") {\n"); |
| |
| const char* uidName = attributionDecl.fields.front().name.c_str(); |
| const char* tagName = attributionDecl.fields.back().name.c_str(); |
| |
| // Write the first list begin. |
| fprintf(out, " buff[pos] = LIST_TYPE;\n"); |
| fprintf(out, " buff[pos + 1] = (byte) (%s.length);\n", tagName); |
| fprintf(out, " pos += LIST_TYPE_OVERHEAD;\n"); |
| |
| // Iterate through the attribution chain and write the nodes. |
| fprintf(out, " for (int i = 0; i < %s.length; i++) {\n", tagName); |
| // Write the list begin. |
| fprintf(out, " buff[pos] = LIST_TYPE;\n"); |
| fprintf(out, " buff[pos + 1] = %lu;\n", attributionDecl.fields.size()); |
| fprintf(out, " pos += LIST_TYPE_OVERHEAD;\n"); |
| |
| // Write the uid. |
| fprintf(out, " buff[pos] = INT_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, %s[i]);\n", uidName); |
| fprintf(out, " pos += INT_TYPE_SIZE;\n"); |
| |
| // Write the tag. |
| fprintf(out, " String %sStr = (%s[i] == null) ? \"\" : %s[i];\n", |
| tagName, tagName, tagName); |
| fprintf(out, " byte[] %sByte = %sStr.getBytes(UTF_8);\n", tagName, tagName); |
| fprintf(out, " buff[pos] = STRING_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, %sByte.length);\n", tagName); |
| fprintf(out, " System.arraycopy(" |
| "%sByte, 0, buff, pos + STRING_TYPE_OVERHEAD, %sByte.length);\n", |
| tagName, tagName); |
| fprintf(out, " pos += STRING_TYPE_OVERHEAD + %sByte.length;\n", tagName); |
| fprintf(out, " }\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, "\n"); |
| } |
| } |
| |
| |
| static int write_java_non_chained_method_for_module( |
| FILE* out, |
| const map<vector<java_type_t>, set<string>>& signatures_to_modules, |
| 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; |
| } |
| |
| // Print method signature. |
| vector<java_type_t> signature = signature_to_modules_it->first; |
| fprintf(out, " public static void write_non_chained(int code"); |
| int argIndex = 1; |
| for (vector<java_type_t>::const_iterator arg = signature.begin(); |
| arg != signature.end(); arg++) { |
| if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) { |
| // Non chained signatures should not have attribution chains. |
| return 1; |
| } else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) { |
| // Module logging does not yet support key value pair. |
| return 1; |
| } else { |
| fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ") {\n"); |
| |
| fprintf(out, " write(code"); |
| argIndex = 1; |
| for (vector<java_type_t>::const_iterator arg = signature.begin(); |
| arg != signature.end(); arg++) { |
| // First two args are uid and tag of attribution chain. |
| if (argIndex == 1) { |
| fprintf(out, ", new int[] {arg%d}", argIndex); |
| } else if (argIndex == 2) { |
| fprintf(out, ", new java.lang.String[] {arg%d}", argIndex); |
| } else { |
| fprintf(out, ", arg%d", argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ");\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, "\n"); |
| } |
| return 0; |
| } |
| |
| static int write_java_method_for_module( |
| FILE* out, |
| const map<vector<java_type_t>, set<string>>& signatures_to_modules, |
| const AtomDecl &attributionDecl, |
| const string& moduleName, |
| int* requiredHelpers |
| ) { |
| |
| 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; |
| } |
| |
| // Print method signature. |
| vector<java_type_t> signature = signature_to_modules_it->first; |
| fprintf(out, " public static void write(int code"); |
| 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) { |
| fprintf(out, ", %s[] %s", |
| java_type_name(chainField.javaType), chainField.name.c_str()); |
| } |
| } else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) { |
| // Module logging does not yet support key value pair. |
| return 1; |
| } else { |
| fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ") {\n"); |
| |
| // Calculate the size of the buffer. |
| fprintf(out, " // Initial overhead of the list, timestamp, and atom tag.\n"); |
| fprintf(out, " int needed = LIST_TYPE_OVERHEAD + LONG_TYPE_SIZE + INT_TYPE_SIZE;\n"); |
| argIndex = 1; |
| for (vector<java_type_t>::const_iterator arg = signature.begin(); |
| arg != signature.end(); arg++) { |
| switch (*arg) { |
| case JAVA_TYPE_BOOLEAN: |
| case JAVA_TYPE_INT: |
| case JAVA_TYPE_FLOAT: |
| case JAVA_TYPE_ENUM: |
| fprintf(out, " needed += INT_TYPE_SIZE;\n"); |
| break; |
| case JAVA_TYPE_LONG: |
| // Longs take 9 bytes, 1 for the type and 8 for the value. |
| fprintf(out, " needed += LONG_TYPE_SIZE;\n"); |
| break; |
| case JAVA_TYPE_STRING: |
| // Strings take 5 metadata bytes + length of byte encoded string. |
| fprintf(out, " if (arg%d == null) {\n", argIndex); |
| fprintf(out, " arg%d = \"\";\n", argIndex); |
| fprintf(out, " }\n"); |
| fprintf(out, " byte[] arg%dBytes= arg%d.getBytes(UTF_8);\n", |
| argIndex, argIndex); |
| fprintf(out, " needed += STRING_TYPE_OVERHEAD + arg%dBytes.length;\n", |
| argIndex); |
| break; |
| case JAVA_TYPE_BYTE_ARRAY: |
| // Byte arrays take 5 metadata bytes + length of byte array. |
| fprintf(out, " if (arg%d == null) {\n", argIndex); |
| fprintf(out, " arg%d = new byte[0];\n", argIndex); |
| fprintf(out, " }\n"); |
| fprintf(out, " needed += STRING_TYPE_OVERHEAD + arg%d.length;\n", argIndex); |
| break; |
| case JAVA_TYPE_ATTRIBUTION_CHAIN: |
| { |
| const char* uidName = attributionDecl.fields.front().name.c_str(); |
| const char* tagName = attributionDecl.fields.back().name.c_str(); |
| // Null checks on the params. |
| fprintf(out, " if (%s == null) {\n", uidName); |
| fprintf(out, " %s = new %s[0];\n", uidName, |
| java_type_name(attributionDecl.fields.front().javaType)); |
| fprintf(out, " }\n"); |
| fprintf(out, " if (%s == null) {\n", tagName); |
| fprintf(out, " %s = new %s[0];\n", tagName, |
| java_type_name(attributionDecl.fields.back().javaType)); |
| fprintf(out, " }\n"); |
| |
| // First check that the lengths of the uid and tag arrays are the same. |
| fprintf(out, " if (%s.length != %s.length) {\n", uidName, tagName); |
| fprintf(out, " return;\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, " int attrSize = LIST_TYPE_OVERHEAD;\n"); |
| fprintf(out, " for (int i = 0; i < %s.length; i++) {\n", tagName); |
| fprintf(out, " String str%d = (%s[i] == null) ? \"\" : %s[i];\n", |
| argIndex, tagName, tagName); |
| fprintf(out, " int str%dlen = str%d.getBytes(UTF_8).length;\n", |
| argIndex, argIndex); |
| fprintf(out, |
| " attrSize += " |
| "LIST_TYPE_OVERHEAD + INT_TYPE_SIZE + STRING_TYPE_OVERHEAD + str%dlen;\n", |
| argIndex); |
| fprintf(out, " }\n"); |
| fprintf(out, " needed += attrSize;\n"); |
| break; |
| } |
| default: |
| // Unsupported types: OBJECT, DOUBLE, KEY_VALUE_PAIR. |
| return 1; |
| } |
| argIndex++; |
| } |
| |
| // Now we have the size that is needed. Check for overflow and return if needed. |
| fprintf(out, " if (needed > MAX_EVENT_PAYLOAD) {\n"); |
| fprintf(out, " return;\n"); |
| fprintf(out, " }\n"); |
| |
| // Create new buffer, and associated data types. |
| fprintf(out, " byte[] buff = new byte[needed];\n"); |
| fprintf(out, " int pos = 0;\n"); |
| |
| // Initialize the buffer with list data type. |
| fprintf(out, " buff[pos] = LIST_TYPE;\n"); |
| fprintf(out, " buff[pos + 1] = %lu;\n", signature.size() + 2); |
| fprintf(out, " pos += LIST_TYPE_OVERHEAD;\n"); |
| |
| // Write timestamp. |
| fprintf(out, " long elapsedRealtime = SystemClock.elapsedRealtimeNanos();\n"); |
| fprintf(out, " buff[pos] = LONG_TYPE;\n"); |
| fprintf(out, " copyLong(buff, pos + 1, elapsedRealtime);\n"); |
| fprintf(out, " pos += LONG_TYPE_SIZE;\n"); |
| |
| // Write atom code. |
| fprintf(out, " buff[pos] = INT_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, code);\n"); |
| fprintf(out, " pos += INT_TYPE_SIZE;\n"); |
| |
| // Write the args. |
| argIndex = 1; |
| for (vector<java_type_t>::const_iterator arg = signature.begin(); |
| arg != signature.end(); arg++) { |
| switch (*arg) { |
| case JAVA_TYPE_BOOLEAN: |
| fprintf(out, " buff[pos] = INT_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, arg%d? 1 : 0);\n", argIndex); |
| fprintf(out, " pos += INT_TYPE_SIZE;\n"); |
| break; |
| case JAVA_TYPE_INT: |
| case JAVA_TYPE_ENUM: |
| fprintf(out, " buff[pos] = INT_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, arg%d);\n", argIndex); |
| fprintf(out, " pos += INT_TYPE_SIZE;\n"); |
| break; |
| case JAVA_TYPE_FLOAT: |
| *requiredHelpers |= JAVA_MODULE_REQUIRES_FLOAT; |
| fprintf(out, " buff[pos] = FLOAT_TYPE;\n"); |
| fprintf(out, " copyFloat(buff, pos + 1, arg%d);\n", argIndex); |
| fprintf(out, " pos += FLOAT_TYPE_SIZE;\n"); |
| break; |
| case JAVA_TYPE_LONG: |
| fprintf(out, " buff[pos] = LONG_TYPE;\n"); |
| fprintf(out, " copyLong(buff, pos + 1, arg%d);\n", argIndex); |
| fprintf(out, " pos += LONG_TYPE_SIZE;\n"); |
| break; |
| case JAVA_TYPE_STRING: |
| fprintf(out, " buff[pos] = STRING_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, arg%dBytes.length);\n", argIndex); |
| fprintf(out, " System.arraycopy(" |
| "arg%dBytes, 0, buff, pos + STRING_TYPE_OVERHEAD, arg%dBytes.length);\n", |
| argIndex, argIndex); |
| fprintf(out, " pos += STRING_TYPE_OVERHEAD + arg%dBytes.length;\n", |
| argIndex); |
| break; |
| case JAVA_TYPE_BYTE_ARRAY: |
| fprintf(out, " buff[pos] = STRING_TYPE;\n"); |
| fprintf(out, " copyInt(buff, pos + 1, arg%d.length);\n", argIndex); |
| fprintf(out, " System.arraycopy(" |
| "arg%d, 0, buff, pos + STRING_TYPE_OVERHEAD, arg%d.length);\n", |
| argIndex, argIndex); |
| fprintf(out, " pos += STRING_TYPE_OVERHEAD + arg%d.length;\n", argIndex); |
| break; |
| case JAVA_TYPE_ATTRIBUTION_CHAIN: |
| { |
| *requiredHelpers |= JAVA_MODULE_REQUIRES_ATTRIBUTION; |
| const char* uidName = attributionDecl.fields.front().name.c_str(); |
| const char* tagName = attributionDecl.fields.back().name.c_str(); |
| |
| fprintf(out, " writeAttributionChain(buff, pos, %s, %s);\n", |
| uidName, tagName); |
| fprintf(out, " pos += attrSize;\n"); |
| break; |
| } |
| default: |
| // Unsupported types: OBJECT, DOUBLE, KEY_VALUE_PAIR. |
| return 1; |
| } |
| argIndex++; |
| } |
| |
| fprintf(out, " StatsLog.writeRaw(buff, pos);\n"); |
| fprintf(out, " }\n"); |
| fprintf(out, "\n"); |
| } |
| return 0; |
| } |
| |
| static void write_java_work_source_method(FILE* out, |
| const map<vector<java_type_t>, set<string>>& signatures_to_modules, |
| const string& moduleName) { |
| fprintf(out, "\n // WorkSource methods.\n"); |
| 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; |
| // Determine if there is Attribution in this signature. |
| int attributionArg = -1; |
| int argIndexMax = 0; |
| for (vector<java_type_t>::const_iterator arg = signature.begin(); |
| arg != signature.end(); arg++) { |
| argIndexMax++; |
| if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) { |
| if (attributionArg > -1) { |
| fprintf(stderr, "An atom contains multiple AttributionNode fields.\n"); |
| fprintf(stderr, "This is not supported. Aborting WorkSource method writing.\n"); |
| fprintf(out, "\n// Invalid for WorkSource: more than one attribution chain.\n"); |
| return; |
| } |
| attributionArg = argIndexMax; |
| } |
| } |
| if (attributionArg < 0) { |
| continue; |
| } |
| |
| // Method header (signature) |
| if (moduleName == DEFAULT_MODULE_NAME) { |
| fprintf(out, " /** @hide */\n"); |
| } |
| fprintf(out, " public static void write(int code"); |
| int argIndex = 1; |
| for (vector<java_type_t>::const_iterator arg = signature.begin(); |
| arg != signature.end(); arg++) { |
| if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) { |
| fprintf(out, ", WorkSource ws"); |
| } else { |
| fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ") {\n"); |
| |
| // write_non_chained() component. TODO: Remove when flat uids are no longer needed. |
| fprintf(out, " for (int i = 0; i < ws.size(); ++i) {\n"); |
| fprintf(out, " write_non_chained(code"); |
| for (int argIndex = 1; argIndex <= argIndexMax; argIndex++) { |
| if (argIndex == attributionArg) { |
| fprintf(out, ", ws.get(i), ws.getName(i)"); |
| } else { |
| fprintf(out, ", arg%d", argIndex); |
| } |
| } |
| fprintf(out, ");\n"); |
| fprintf(out, " }\n"); // close for-loop |
| |
| // write() component. |
| fprintf(out, " ArrayList<WorkSource.WorkChain> workChains = ws.getWorkChains();\n"); |
| fprintf(out, " if (workChains != null) {\n"); |
| fprintf(out, " for (WorkSource.WorkChain wc : workChains) {\n"); |
| fprintf(out, " write(code"); |
| for (int argIndex = 1; argIndex <= argIndexMax; argIndex++) { |
| if (argIndex == attributionArg) { |
| fprintf(out, ", wc.getUids(), wc.getTags()"); |
| } else { |
| fprintf(out, ", arg%d", argIndex); |
| } |
| } |
| fprintf(out, ");\n"); |
| fprintf(out, " }\n"); // close for-loop |
| fprintf(out, " }\n"); // close if |
| fprintf(out, " }\n"); // close method |
| } |
| } |
| |
| static void write_java_atom_codes(FILE* out, const Atoms& atoms, const string& moduleName) { |
| fprintf(out, " // Constants for atom codes.\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); |
| |
| // Print constants for the atom codes. |
| 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<br>\n", atom->message.c_str(), atom->name.c_str()); |
| write_java_usage(out, "write", constant, *atom); |
| 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_java_usage(out, "write_non_chained", constant, *non_chained_decl->second); |
| } |
| if (moduleName == DEFAULT_MODULE_NAME) { |
| fprintf(out, " * @hide\n"); |
| } |
| fprintf(out, " */\n"); |
| fprintf(out, " public static final int %s = %d;\n", constant.c_str(), atom->code); |
| } |
| fprintf(out, "\n"); |
| } |
| |
| static void write_java_enum_values(FILE* out, const Atoms& atoms, const string& moduleName) { |
| fprintf(out, " // Constants for enum values.\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++) { |
| if (moduleName == DEFAULT_MODULE_NAME) { |
| fprintf(out, " /** @hide */\n"); |
| } |
| fprintf(out, " public static final int %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"); |
| } |
| } |
| } |
| } |
| |
| static int |
| write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl) |
| { |
| // Print prelude |
| fprintf(out, "// This file is autogenerated\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "package android.util;\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "import android.os.WorkSource;\n"); |
| fprintf(out, "import android.util.SparseArray;\n"); |
| fprintf(out, "import java.util.ArrayList;\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "/**\n"); |
| fprintf(out, " * API For logging statistics events.\n"); |
| fprintf(out, " * @hide\n"); |
| fprintf(out, " */\n"); |
| fprintf(out, "public class StatsLogInternal {\n"); |
| write_java_atom_codes(out, atoms, DEFAULT_MODULE_NAME); |
| |
| write_java_enum_values(out, atoms, DEFAULT_MODULE_NAME); |
| |
| // Print write methods |
| fprintf(out, " // Write methods\n"); |
| write_java_method(out, "write", atoms.signatures_to_modules, attributionDecl); |
| write_java_method(out, "write_non_chained", atoms.non_chained_signatures_to_modules, |
| attributionDecl); |
| write_java_work_source_method(out, atoms.signatures_to_modules, DEFAULT_MODULE_NAME); |
| |
| fprintf(out, "}\n"); |
| |
| return 0; |
| } |
| |
| // TODO: Merge this with write_stats_log_java so that we can get rid of StatsLogInternal JNI. |
| static int |
| write_stats_log_java_for_module(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl, |
| const string& moduleName, const string& javaClass, const string& javaPackage) |
| { |
| // 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, "import static java.nio.charset.StandardCharsets.UTF_8;\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "import android.util.StatsLog;\n"); |
| fprintf(out, "import android.os.SystemClock;\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "import java.util.ArrayList;\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "/**\n"); |
| fprintf(out, " * Utility class for logging statistics events.\n"); |
| fprintf(out, " */\n"); |
| fprintf(out, "public class %s {\n", javaClass.c_str()); |
| |
| // TODO: ideally these match with the native values (and automatically change if they change). |
| fprintf(out, " private static final int LOGGER_ENTRY_MAX_PAYLOAD = 4068;\n"); |
| fprintf(out, |
| " private static final int MAX_EVENT_PAYLOAD = LOGGER_ENTRY_MAX_PAYLOAD - 4;\n"); |
| // Value types. Must match with EventLog.java and log.h. |
| fprintf(out, " private static final byte INT_TYPE = 0;\n"); |
| fprintf(out, " private static final byte LONG_TYPE = 1;\n"); |
| fprintf(out, " private static final byte STRING_TYPE = 2;\n"); |
| fprintf(out, " private static final byte LIST_TYPE = 3;\n"); |
| fprintf(out, " private static final byte FLOAT_TYPE = 4;\n"); |
| |
| // Size of each value type. |
| // Booleans, ints, floats, and enums take 5 bytes, 1 for the type and 4 for the value. |
| fprintf(out, " private static final int INT_TYPE_SIZE = 5;\n"); |
| fprintf(out, " private static final int FLOAT_TYPE_SIZE = 5;\n"); |
| // Longs take 9 bytes, 1 for the type and 8 for the value. |
| fprintf(out, " private static final int LONG_TYPE_SIZE = 9;\n"); |
| // Strings take 5 metadata bytes: 1 byte is for the type, 4 are for the length. |
| fprintf(out, " private static final int STRING_TYPE_OVERHEAD = 5;\n"); |
| fprintf(out, " private static final int LIST_TYPE_OVERHEAD = 2;\n"); |
| |
| write_java_atom_codes(out, atoms, moduleName); |
| |
| write_java_enum_values(out, atoms, moduleName); |
| |
| int errors = 0; |
| int requiredHelpers = 0; |
| // Print write methods |
| fprintf(out, " // Write methods\n"); |
| errors += write_java_method_for_module(out, atoms.signatures_to_modules, attributionDecl, |
| moduleName, &requiredHelpers); |
| errors += write_java_non_chained_method_for_module(out, atoms.non_chained_signatures_to_modules, |
| moduleName); |
| |
| fprintf(out, " // Helper methods for copying primitives\n"); |
| write_java_helpers_for_module(out, attributionDecl, requiredHelpers); |
| |
| fprintf(out, "}\n"); |
| |
| return errors; |
| } |
| |
| 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_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_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 { |
| result += java_type_signature(*arg); |
| } |
| } |
| result += ")I"; |
| return result; |
| } |
| |
| static int |
| write_stats_log_jni(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 { |
| fprintf(out, ", %s arg%d", jni_type_name(*arg), argIndex); |
| } |
| argIndex++; |
| } |
| fprintf(out, ")\n"); |
| |
| fprintf(out, "{\n"); |
| |
| // Prepare strings |
| argIndex = 1; |
| bool hadStringOrChain = 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"); |
| } |
| } |
| argIndex++; |
| } |
| // Emit this to quiet the unused parameter warning if there were no strings or attribution |
| // chains. |
| if (!hadStringOrChain) { |
| fprintf(out, " (void)env;\n"); |
| } |
| |
| // 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_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()); |
| } |
| } |
| |
| static int |
| write_stats_log_jni(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl) |
| { |
| // Print prelude |
| fprintf(out, "// This file is autogenerated\n"); |
| fprintf(out, "\n"); |
| |
| 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"); |
| fprintf(out, "#include \"core_jni_helpers.h\"\n"); |
| fprintf(out, "#include \"jni.h\"\n"); |
| fprintf(out, "\n"); |
| fprintf(out, "#define UNUSED __attribute__((__unused__))\n"); |
| fprintf(out, "\n"); |
| |
| fprintf(out, "namespace android {\n"); |
| fprintf(out, "\n"); |
| |
| write_stats_log_jni(out, "write", "stats_write", atoms.signatures_to_modules, attributionDecl); |
| write_stats_log_jni(out, "write_non_chained", "stats_write_non_chained", |
| atoms.non_chained_signatures_to_modules, attributionDecl); |
| |
| // Print registration function table |
| fprintf(out, "/*\n"); |
| fprintf(out, " * JNI registration.\n"); |
| fprintf(out, " */\n"); |
| fprintf(out, "static const JNINativeMethod gRegisterMethods[] = {\n"); |
| write_jni_registration(out, "write", atoms.signatures_to_modules, attributionDecl); |
| write_jni_registration(out, "write_non_chained", atoms.non_chained_signatures_to_modules, |
| attributionDecl); |
| 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 (moduleName == DEFAULT_MODULE_NAME) { |
| errorCount = android::stats_log_api_gen::write_stats_log_java( |
| out, atoms, attributionDecl); |
| } else { |
| errorCount = android::stats_log_api_gen::write_stats_log_java_for_module( |
| out, atoms, attributionDecl, moduleName, javaClass, javaPackage); |
| } |
| 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; |
| } |
| errorCount = android::stats_log_api_gen::write_stats_log_jni( |
| out, atoms, attributionDecl); |
| fclose(out); |
| } |
| |
| return errorCount; |
| } |
| |
| } |
| } |
| |
| /** |
| * Main. |
| */ |
| int |
| main(int argc, char const*const* argv) |
| { |
| GOOGLE_PROTOBUF_VERIFY_VERSION; |
| |
| return android::stats_log_api_gen::run(argc, argv); |
| } |