summaryrefslogtreecommitdiffstats
path: root/src/common/telemetry.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/common/telemetry.h196
1 files changed, 196 insertions, 0 deletions
diff --git a/src/common/telemetry.h b/src/common/telemetry.h
new file mode 100644
index 000000000..dd6bbd759
--- /dev/null
+++ b/src/common/telemetry.h
@@ -0,0 +1,196 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <chrono>
+#include <map>
+#include <memory>
+#include <string>
+#include "common/common_types.h"
+
+namespace Telemetry {
+
+/// Field type, used for grouping fields together in the final submitted telemetry log
+enum class FieldType : u8 {
+ None = 0, ///< No specified field group
+ App, ///< Citra application fields (e.g. version, branch, etc.)
+ Session, ///< Emulated session fields (e.g. title ID, log, etc.)
+ Performance, ///< Emulated performance (e.g. fps, emulated CPU speed, etc.)
+ UserFeedback, ///< User submitted feedback (e.g. star rating, user notes, etc.)
+ UserConfig, ///< User configuration fields (e.g. emulated CPU core, renderer, etc.)
+ UserSystem, ///< User system information (e.g. host CPU type, RAM, etc.)
+};
+
+struct VisitorInterface;
+
+/**
+ * Interface class for telemetry data fields.
+ */
+class FieldInterface : NonCopyable {
+public:
+ virtual ~FieldInterface() = default;
+
+ /**
+ * Accept method for the visitor pattern.
+ * @param visitor Reference to the visitor that will visit this field.
+ */
+ virtual void Accept(VisitorInterface& visitor) const = 0;
+
+ /**
+ * Gets the name of this field.
+ * @returns Name of this field as a string.
+ */
+ virtual const std::string& GetName() const = 0;
+};
+
+/**
+ * Represents a telemetry data field, i.e. a unit of data that gets logged and submitted to our
+ * telemetry web service.
+ */
+template <typename T>
+class Field : public FieldInterface {
+public:
+ Field(FieldType type, std::string name, const T& value)
+ : type(type), name(std::move(name)), value(value) {}
+
+ Field(FieldType type, std::string name, T&& value)
+ : type(type), name(std::move(name)), value(std::move(value)) {}
+
+ Field(const Field& other) : Field(other.type, other.name, other.value) {}
+
+ Field& operator=(const Field& other) {
+ type = other.type;
+ name = other.name;
+ value = other.value;
+ return *this;
+ }
+
+ Field& operator=(Field&& other) {
+ type = other.type;
+ name = std::move(other.name);
+ value = std::move(other.value);
+ return *this;
+ }
+
+ void Accept(VisitorInterface& visitor) const override;
+
+ const std::string& GetName() const override {
+ return name;
+ }
+
+ /**
+ * Returns the type of the field.
+ */
+ FieldType GetType() const {
+ return type;
+ }
+
+ /**
+ * Returns the value of the field.
+ */
+ const T& GetValue() const {
+ return value;
+ }
+
+ inline bool operator==(const Field<T>& other) {
+ return (type == other.type) && (name == other.name) && (value == other.value);
+ }
+
+ inline bool operator!=(const Field<T>& other) {
+ return !(*this == other);
+ }
+
+private:
+ std::string name; ///< Field name, must be unique
+ FieldType type{}; ///< Field type, used for grouping fields together
+ T value; ///< Field value
+};
+
+/**
+ * Collection of data fields that have been logged.
+ */
+class FieldCollection final : NonCopyable {
+public:
+ FieldCollection() = default;
+
+ /**
+ * Accept method for the visitor pattern, visits each field in the collection.
+ * @param visitor Reference to the visitor that will visit each field.
+ */
+ void Accept(VisitorInterface& visitor) const;
+
+ /**
+ * Creates a new field and adds it to the field collection.
+ * @param type Type of the field to add.
+ * @param name Name of the field to add.
+ * @param value Value for the field to add.
+ */
+ template <typename T>
+ void AddField(FieldType type, const char* name, T value) {
+ return AddField(std::make_unique<Field<T>>(type, name, std::move(value)));
+ }
+
+ /**
+ * Adds a new field to the field collection.
+ * @param field Field to add to the field collection.
+ */
+ void AddField(std::unique_ptr<FieldInterface> field);
+
+private:
+ std::map<std::string, std::unique_ptr<FieldInterface>> fields;
+};
+
+/**
+ * Telemetry fields visitor interface class. A backend to log to a web service should implement
+ * this interface.
+ */
+struct VisitorInterface : NonCopyable {
+ virtual ~VisitorInterface() = default;
+
+ virtual void Visit(const Field<bool>& field) = 0;
+ virtual void Visit(const Field<double>& field) = 0;
+ virtual void Visit(const Field<float>& field) = 0;
+ virtual void Visit(const Field<u8>& field) = 0;
+ virtual void Visit(const Field<u16>& field) = 0;
+ virtual void Visit(const Field<u32>& field) = 0;
+ virtual void Visit(const Field<u64>& field) = 0;
+ virtual void Visit(const Field<s8>& field) = 0;
+ virtual void Visit(const Field<s16>& field) = 0;
+ virtual void Visit(const Field<s32>& field) = 0;
+ virtual void Visit(const Field<s64>& field) = 0;
+ virtual void Visit(const Field<std::string>& field) = 0;
+ virtual void Visit(const Field<const char*>& field) = 0;
+ virtual void Visit(const Field<std::chrono::microseconds>& field) = 0;
+
+ /// Completion method, called once all fields have been visited
+ virtual void Complete() = 0;
+};
+
+/**
+ * Empty implementation of VisitorInterface that drops all fields. Used when a functional
+ * backend implementation is not available.
+ */
+struct NullVisitor : public VisitorInterface {
+ ~NullVisitor() = default;
+
+ void Visit(const Field<bool>& /*field*/) override {}
+ void Visit(const Field<double>& /*field*/) override {}
+ void Visit(const Field<float>& /*field*/) override {}
+ void Visit(const Field<u8>& /*field*/) override {}
+ void Visit(const Field<u16>& /*field*/) override {}
+ void Visit(const Field<u32>& /*field*/) override {}
+ void Visit(const Field<u64>& /*field*/) override {}
+ void Visit(const Field<s8>& /*field*/) override {}
+ void Visit(const Field<s16>& /*field*/) override {}
+ void Visit(const Field<s32>& /*field*/) override {}
+ void Visit(const Field<s64>& /*field*/) override {}
+ void Visit(const Field<std::string>& /*field*/) override {}
+ void Visit(const Field<const char*>& /*field*/) override {}
+ void Visit(const Field<std::chrono::microseconds>& /*field*/) override {}
+
+ void Complete() override {}
+};
+
+} // namespace Telemetry