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telemetry: Log a few simple data fields throughout core.

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This commit is contained in:
bunnei 2017-05-02 00:10:04 -04:00
parent f3e14cae1e
commit 120b00fb1a
3 changed files with 22 additions and 1 deletions
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18
src/core/telemetry_session.cpp
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@ -2,6 +2,8 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include "common/scm_rev.h"
#include "core/telemetry_session.h"
@ -10,9 +12,25 @@ namespace Core {
TelemetrySession::TelemetrySession() {
// TODO(bunnei): Replace with a backend that logs to our web service
backend = std::make_unique<Telemetry::NullVisitor>();
// Log one-time session start information
const auto duration{std::chrono::steady_clock::now().time_since_epoch()};
const auto start_time{std::chrono::duration_cast<std::chrono::microseconds>(duration).count()};
AddField(Telemetry::FieldType::Session, "StartTime", start_time);
// Log one-time application information
const bool is_git_dirty{std::strstr(Common::g_scm_desc, "dirty") != nullptr};
AddField(Telemetry::FieldType::App, "GitIsDirty", is_git_dirty);
AddField(Telemetry::FieldType::App, "GitBranch", Common::g_scm_branch);
AddField(Telemetry::FieldType::App, "GitRevision", Common::g_scm_rev);
}
TelemetrySession::~TelemetrySession() {
// Log one-time session end information
const auto duration{std::chrono::steady_clock::now().time_since_epoch()};
const auto end_time{std::chrono::duration_cast<std::chrono::microseconds>(duration).count()};
AddField(Telemetry::FieldType::Session, "EndTime", end_time);
// Complete the session, submitting to web service if necessary
// This is just a placeholder to wrap up the session once the core completes and this is
// destroyed. This will be moved elsewhere once we are actually doing real I/O with the service.