1 files changed, 38 insertions, 0 deletions
diff --git a/src/looper.hh b/src/looper.hh
new file mode 100644
index 0000000..3286cb1
--- /dev/null
+++ b/src/looper.hh
@@ -0,0 +1,38 @@
+#ifndef LOOPER_HH
+#define LOOPER_HH
+
+#include <functional>
+#include <memory>
+
+class Logger;
+
+class Looper {
+public:
+  constexpr static uint8_t EVENT_READ = 1;
+  constexpr static uint8_t EVENT_WRITE = 2;
+  constexpr static uint8_t EVENT_ERROR = 4;
+
+  virtual ~Looper() = default;
+
+  static std::unique_ptr<Looper> create();
+
+  virtual void add(int fd, uint8_t events,
+                   std::function<void(uint8_t)> callback) = 0;
+  virtual void update(int fd, uint8_t events) = 0;
+  virtual void remove(int fd) = 0;
+
+  // Returned id is never 0
+  virtual uint32_t schedule(double delay,
+                            std::function<void(uint32_t)> callback) = 0;
+  virtual void cancel(uint32_t id) = 0;
+
+  virtual bool run(Logger* logger) = 0;
+  virtual void quit() = 0;
+
+protected:
+  Looper() = default;
+  Looper(Looper const&) = delete;
+  Looper& operator=(Looper const&) = delete;
+};
+
+#endif  // LOOPER_HH