================ @@ -0,0 +1,338 @@ + +//===-- Telemetry.cpp -----------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +#include "lldb/Core/Telemetry.h" + +#include <chrono> +#include <cstdlib> +#include <ctime> +#include <fstream> +#include <memory> +#include <string> +#include <typeinfo> +#include <utility> +#include <vector> + +#include "lldb/API/SBDebugger.h" +#include "lldb/API/SBProcess.h" +#include "lldb/Core/Debugger.h" +#include "lldb/Core/Module.h" +#include "lldb/Host/FileSystem.h" +#include "lldb/Host/HostInfo.h" +#include "lldb/Interpreter/CommandInterpreter.h" +#include "lldb/Target/Process.h" +#include "lldb/Target/Statistics.h" +#include "lldb/Utility/ConstString.h" +#include "lldb/Utility/FileSpec.h" +#include "lldb/Utility/LLDBLog.h" +#include "lldb/Utility/UUID.h" +#include "lldb/Version/Version.h" +#include "lldb/lldb-enumerations.h" +#include "lldb/lldb-forward.h" +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/ADT/Twine.h" +#include "llvm/Support/Error.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Support/JSON.h" +#include "llvm/Support/LineIterator.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Support/Path.h" +#include "llvm/Support/RandomNumberGenerator.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/Telemetry/Telemetry.h" + +namespace lldb_private { + +using ::llvm::Error; +using ::llvm::telemetry::Destination; +using ::llvm::telemetry::TelemetryInfo; + +static size_t ToNanosecOrZero(const std::optional<SteadyTimePoint> &Point) { + if (!Point.has_value()) + return 0; + + return Point.value().time_since_epoch().count(); +} + +void LldbBaseTelemetryInfo::serialize(Serializer &serializer) const { + serializer.writeInt32("EntryKind", getKind()); + serializer.writeString("SessionId", SessionId); +} + +void DebuggerTelemetryInfo::serialize(Serializer &serializer) const { + LldbBaseTelemetryInfo::serialize(serializer); + serializer.writeString("username", username); + serializer.writeString("lldb_path", lldb_path); + serializer.writeString("cwd", cwd); + serializer.writeSizeT("start", stats.start.time_since_epoch().count()); + serializer.writeSizeT("end", ToNanosecOrZero(stats.end)); +} + +void ClientTelemetryInfo::serialize(Serializer &serializer) const { + LldbBaseTelemetryInfo::serialize(serializer); + serializer.writeString("request_name", request_name); + serializer.writeString("error_msg", error_msg); + serializer.writeSizeT("start", stats.start.time_since_epoch().count()); + serializer.writeSizeT("end", ToNanosecOrZero(stats.end)); +} + +void TargetTelemetryInfo::serialize(Serializer &serializer) const { + LldbBaseTelemetryInfo::serialize(serializer); + serializer.writeString("target_uuid", target_uuid); + serializer.writeString("binary_path", binary_path); + serializer.writeSizeT("binary_size", binary_size); +} + +void CommandTelemetryInfo::serialize(Serializer &serializer) const { + LldbBaseTelemetryInfo::serialize(serializer); + serializer.writeString("target_uuid", target_uuid); + serializer.writeString("command_uuid", command_uuid); + serializer.writeString("args", args); + serializer.writeString("original_command", original_command); + serializer.writeSizeT("start", stats.start.time_since_epoch().count()); + serializer.writeSizeT("end", ToNanosecOrZero(stats.end)); + + // If this entry was emitted at the end of the command-execution, + // then calculate the runtime too. + if (stats.end.has_value()) { + serializer.writeSizeT("command_runtime", + (stats.end.value() - stats.start).count()); + if (exit_desc.has_value()) { + serializer.writeInt32("exit_code", exit_desc->exit_code); + serializer.writeString("exit_msg", exit_desc->description); + serializer.writeInt32("return_status", static_cast<int>(ret_status)); + } + } +} + +void MiscTelemetryInfo::serialize(Serializer &serializer) const { + LldbBaseTelemetryInfo::serialize(serializer); + serializer.writeString("target_uuid", target_uuid); + serializer.writeKeyValueMap("meta_data", meta_data); +} + +static std::string MakeUUID(lldb_private::Debugger *debugger) { + std::string ret; + uint8_t random_bytes[16]; + if (auto ec = llvm::getRandomBytes(random_bytes, 16)) { + LLDB_LOG(GetLog(LLDBLog::Object), + "Failed to generate random bytes for UUID: {0}", ec.message()); + // fallback to using timestamp + debugger ID. + ret = std::to_string( + std::chrono::steady_clock::now().time_since_epoch().count()) + + "_" + std::to_string(debugger->GetID()); + } else { + ret = lldb_private::UUID(random_bytes).GetAsString(); + } + + return ret; +} + +TelemetryManager::TelemetryManager( + std::unique_ptr<llvm::telemetry::Config> config, + lldb_private::Debugger *debugger) + : m_config(std::move(config)), m_debugger(debugger), + m_session_uuid(MakeUUID(debugger)) {} + +std::unique_ptr<TelemetryManager> TelemetryManager::CreateInstance( + std::unique_ptr<llvm::telemetry::Config> config, + lldb_private::Debugger *debugger) { + + TelemetryManager *ins = new TelemetryManager(std::move(config), debugger); + + return std::unique_ptr<TelemetryManager>(ins); ---------------- labath wrote:
```suggestion return std::unique_ptr<TelemetryManager>(new TelemetryManager(std::move(config), debugger)); ``` The basic rule of smart pointers is to never have an unowned pointer flying around https://github.com/llvm/llvm-project/pull/119716 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
