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-rw-r--r--src/network/socket_handler.hpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/network/socket_handler.hpp b/src/network/socket_handler.hpp
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+#ifndef SOCKET_HANDLER_INCLUDED
+# define SOCKET_HANDLER_INCLUDED
+
+typedef int socket_t;
+
+class Poller;
+
+/**
+ * An interface, with a series of callbacks that should be implemented in
+ * subclasses that deal with a socket. These callbacks are called on various events
+ * (read/write/timeout, etc) when they are notified to a poller
+ * (select/poll/epoll etc)
+ */
+class SocketHandler
+{
+public:
+ explicit SocketHandler():
+ poller(nullptr)
+ {}
+ /**
+ * Set the pointer to the given Poller, to communicate with it.
+ */
+ void set_poller(Poller* poller)
+ {
+ this->poller = poller;
+ };
+ /**
+ * Happens when the socket is ready to be received from.
+ */
+ virtual void on_recv() = 0;
+ /**
+ * Happens when the socket is ready to be written to.
+ */
+ virtual void on_send() = 0;
+ /**
+ * Returns the socket that should be handled by the poller.
+ */
+ virtual socket_t get_socket() const = 0;
+ /**
+ * Close the connection.
+ */
+ virtual void close() = 0;
+
+protected:
+ /**
+ * A pointer to the poller that manages us, because we need to communicate
+ * with it, sometimes (for example to tell it that he now needs to watch
+ * write events for us). Do not ever try to delete it.
+ *
+ * And a raw pointer because we are not owning it, it is owning us
+ * (actually it is sharing our ownership with a Bridge).
+ */
+ Poller* poller;
+
+private:
+ SocketHandler(const SocketHandler&) = delete;
+ SocketHandler(SocketHandler&&) = delete;
+ SocketHandler& operator=(const SocketHandler&) = delete;
+ SocketHandler& operator=(SocketHandler&&) = delete;
+};
+
+#endif // SOCKET_HANDLER_INCLUDED