diff options
| author | bunnei <bunneidev@gmail.com> | 2017-08-22 20:58:19 -0400 |
|---|---|---|
| committer | bunnei <bunneidev@gmail.com> | 2017-08-25 23:10:00 -0400 |
| commit | d6a819c7cb1ac00671b7e76b23d7d065d1fd76a3 (patch) | |
| tree | 509f019ccc3d49f6646b4cd26d36ca3cf2b93b7c /src/core/telemetry_session.cpp | |
| parent | 59ad93302226f3e65aed1a62ea3c7b58315d0eb6 (diff) | |
telemetry_session: Log telemetry ID.
Diffstat (limited to 'src/core/telemetry_session.cpp')
| -rw-r--r-- | src/core/telemetry_session.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/core/telemetry_session.cpp b/src/core/telemetry_session.cpp index 94483f3852..61ba78457a 100644 --- a/src/core/telemetry_session.cpp +++ b/src/core/telemetry_session.cpp @@ -3,8 +3,10 @@ // Refer to the license.txt file included. #include <cstring> +#include <cryptopp/osrng.h> #include "common/assert.h" +#include "common/file_util.h" #include "common/scm_rev.h" #include "common/x64/cpu_detect.h" #include "core/core.h" @@ -29,12 +31,46 @@ static const char* CpuVendorToStr(Common::CPUVendor vendor) { UNREACHABLE(); } +static u64 GenerateTelemetryId() { + u64 telemetry_id{}; + CryptoPP::AutoSeededRandomPool rng; + rng.GenerateBlock(reinterpret_cast<CryptoPP::byte*>(&telemetry_id), sizeof(u64)); + return telemetry_id; +} + +static u64 GetTelemetryId() { + u64 telemetry_id{}; + static const std::string& filename{FileUtil::GetUserPath(D_CONFIG_IDX) + "telemetry_id"}; + + if (FileUtil::Exists(filename)) { + FileUtil::IOFile file(filename, "rb"); + if (!file.IsOpen()) { + LOG_ERROR(WebService, "failed to open telemetry_id: %s", filename.c_str()); + return {}; + } + file.ReadBytes(&telemetry_id, sizeof(u64)); + } else { + FileUtil::IOFile file(filename, "wb"); + if (!file.IsOpen()) { + LOG_ERROR(WebService, "failed to open telemetry_id: %s", filename.c_str()); + return {}; + } + telemetry_id = GenerateTelemetryId(); + file.WriteBytes(&telemetry_id, sizeof(u64)); + } + + return telemetry_id; +} + TelemetrySession::TelemetrySession() { #ifdef ENABLE_WEB_SERVICE backend = std::make_unique<WebService::TelemetryJson>(); #else backend = std::make_unique<Telemetry::NullVisitor>(); #endif + // Log one-time top-level information + AddField(Telemetry::FieldType::None, "TelemetryId", GetTelemetryId()); + // Log one-time session start information const s64 init_time{std::chrono::duration_cast<std::chrono::milliseconds>( std::chrono::system_clock::now().time_since_epoch()) |