| |
| |
| #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> |
| |
| using namespace google::protobuf; |
| using namespace std; |
| |
| namespace android { |
| namespace stats_log_api_gen { |
| |
| const int PULL_ATOM_START_ID = 1000; |
| |
| int maxPushedAtomId = 2; |
| |
| 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*"; |
| 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"; |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| static int write_stats_log_cpp(FILE *out, const Atoms &atoms, |
| const AtomDecl &attributionDecl) { |
| // Print prelude |
| fprintf(out, "// This file is autogenerated\n"); |
| fprintf(out, "\n"); |
| |
| fprintf(out, "#include <exception>\n"); |
| fprintf(out, "#include <log/log_event_list.h>\n"); |
| fprintf(out, "#include <log/log.h>\n"); |
| fprintf(out, "#include <statslog.h>\n"); |
| fprintf(out, "#include <utils/SystemClock.h>\n"); |
| fprintf(out, "\n"); |
| |
| fprintf(out, "namespace android {\n"); |
| fprintf(out, "namespace util {\n"); |
| fprintf(out, "// the single event tag id for all stats logs\n"); |
| fprintf(out, "const static int kStatsEventTag = 1937006964;\n"); |
| |
| 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"); |
| |
| // Print write methods |
| fprintf(out, "\n"); |
| for (set<vector<java_type_t>>::const_iterator signature = atoms.signatures.begin(); |
| signature != atoms.signatures.end(); signature++) { |
| int argIndex; |
| |
| fprintf(out, "void\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"); |
| argIndex = 1; |
| fprintf(out, " android_log_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, " throw std::invalid_argument(\"attribution fields with" |
| " diff length: %s vs %s\");\n", |
| attributionDecl.fields.front().name.c_str(), |
| chainField.name.c_str()); |
| fprintf(out, " return;\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_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, " event.write(LOG_ID_STATS);\n"); |
| fprintf(out, "}\n"); |
| fprintf(out, "\n"); |
| } |
| |
| for (set<vector<java_type_t>>::const_iterator signature = atoms.non_chained_signatures.begin(); |
| signature != atoms.non_chained_signatures.end(); signature++) { |
| int argIndex; |
| |
| fprintf(out, "void\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"); |
| argIndex = 1; |
| fprintf(out, " android_log_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"); |
| } |
| 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, " event.write(LOG_ID_STATS);\n"); |
| fprintf(out, "}\n"); |
| fprintf(out, "\n"); |
| } |
| // Print footer |
| fprintf(out, "\n"); |
| fprintf(out, "} // namespace util\n"); |
| fprintf(out, "} // namespace android\n"); |
| |
| 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 set<vector<java_type_t>>& signatures, |
| const AtomDecl &attributionDecl) { |
| for (set<vector<java_type_t>>::const_iterator signature = signatures.begin(); |
| signature != signatures.end(); signature++) { |
| fprintf(out, "void %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) |
| { |
| // 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"); |
| |
| fprintf(out, "namespace android {\n"); |
| fprintf(out, "namespace util {\n"); |
| 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++) { |
| 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 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, "};\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, attributionDecl); |
| |
| 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, |
| attributionDecl); |
| |
| fprintf(out, "\n"); |
| fprintf(out, "} // namespace util\n"); |
| fprintf(out, "} // namespace android\n"); |
| |
| return 0; |
| } |
| |
| static void write_java_usage( |
| FILE* out, const string& method_name, const string& atom_code_name, |
| const AtomDecl& atom, const AtomDecl &attributionDecl) { |
| 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) { |
| for (auto chainField : attributionDecl.fields) { |
| fprintf(out, ", %s[] %s", |
| java_type_name(chainField.javaType), chainField.name.c_str()); |
| } |
| } else { |
| fprintf(out, ", %s %s", java_type_name(field->javaType), field->name.c_str()); |
| } |
| } |
| fprintf(out, ");\n"); |
| } |
| |
| static void write_java_method( |
| FILE* out, const string& method_name, const set<vector<java_type_t>>& signatures, |
| const AtomDecl &attributionDecl) { |
| for (set<vector<java_type_t>>::const_iterator signature = signatures.begin(); |
| signature != signatures.end(); signature++) { |
| fprintf(out, " public static native void %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 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, "\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"); |
| 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++) { |
| 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_java_usage(out, "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_java_usage(out, "write_non_chained", constant, *non_chained_decl->second, |
| attributionDecl); |
| } |
| fprintf(out, " */\n"); |
| fprintf(out, " public static final int %s = %d;\n", constant.c_str(), atom->code); |
| } |
| fprintf(out, "\n"); |
| |
| // Print constants for the enum values. |
| fprintf(out, " // Constants for enum values.\n\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_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, " 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"); |
| } |
| } |
| } |
| |
| // Print write methods |
| fprintf(out, " // Write methods\n"); |
| write_java_method(out, "write", atoms.signatures, attributionDecl); |
| write_java_method(out, "write_non_chained", atoms.non_chained_signatures, attributionDecl); |
| |
| fprintf(out, "}\n"); |
| |
| return 0; |
| } |
| |
| 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"; |
| 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; |
| 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;"; |
| 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 += ")V"; |
| return result; |
| } |
| |
| static int |
| write_stats_log_jni(FILE* out, const string& java_method_name, const string& cpp_method_name, |
| const set<vector<java_type_t>>& signatures, const AtomDecl &attributionDecl) |
| { |
| // Print write methods |
| for (set<vector<java_type_t>>::const_iterator signature = signatures.begin(); |
| signature != signatures.end(); signature++) { |
| int argIndex; |
| |
| fprintf(out, "static void\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_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, " jniThrowException(env, " |
| "\"java/lang/IllegalArgumentException\", " |
| "\"invalid attribution field(%s) length.\");\n", |
| chainField.name.c_str()); |
| fprintf(out, " return;\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, " 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 { |
| 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_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, "}\n"); |
| fprintf(out, "\n"); |
| } |
| |
| |
| return 0; |
| } |
| |
| void write_jni_registration(FILE* out, const string& java_method_name, |
| const set<vector<java_type_t>>& signatures, const AtomDecl &attributionDecl) { |
| for (set<vector<java_type_t>>::const_iterator signature = signatures.begin(); |
| signature != signatures.end(); signature++) { |
| 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, attributionDecl); |
| write_stats_log_jni(out, "write_non_chained", "stats_write_non_chained", |
| atoms.non_chained_signatures, 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, attributionDecl); |
| write_jni_registration(out, "write_non_chained", atoms.non_chained_signatures, attributionDecl); |
| fprintf(out, "};\n"); |
| fprintf(out, "\n"); |
| |
| // Print registration function |
| fprintf(out, "int register_android_util_StatsLog(JNIEnv* env) {\n"); |
| fprintf(out, " return RegisterMethodsOrDie(\n"); |
| fprintf(out, " env,\n"); |
| fprintf(out, " \"android/util/StatsLog\",\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"); |
| } |
| |
| /** |
| * 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; |
| |
| 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]; |
| } |
| 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; |
| } |
| errorCount = android::stats_log_api_gen::write_stats_log_cpp( |
| out, atoms, attributionDecl); |
| 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; |
| } |
| errorCount = android::stats_log_api_gen::write_stats_log_header( |
| out, atoms, attributionDecl); |
| 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; |
| } |
| errorCount = android::stats_log_api_gen::write_stats_log_java( |
| out, atoms, attributionDecl); |
| 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 0; |
| } |
| |
| } |
| } |
| |
| /** |
| * Main. |
| */ |
| int |
| main(int argc, char const*const* argv) |
| { |
| GOOGLE_PROTOBUF_VERIFY_VERSION; |
| |
| return android::stats_log_api_gen::run(argc, argv); |
| } |