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telemetry_session: Log telemetry ID.

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This commit is contained in:
bunnei 2017-08-22 20:58:19 -04:00
parent 59ad933022
commit d6a819c7cb
1 changed files with 36 additions and 0 deletions
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36
src/core/telemetry_session.cpp
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@ -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())