Merge pull request #2683 from bunnei/telemetry-framework

Telemetry framework Part 1

1 files changed, 42 insertions, 0 deletions

diff --git a/src/core/telemetry_session.cpp b/src/core/telemetry_session.cpp
new file mode 100644
index 000000000..ddc8b262e
--- /dev/null
+++ b/src/core/telemetry_session.cpp
@@ -0,0 +1,42 @@
+// Copyright 2017 Citra Emulator Project
+// 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"
+
+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.
+    field_collection.Accept(*backend);
+    backend->Complete();
+    backend = nullptr;
+}
+
+} // namespace Core