From cd2decce51c32b8c0531a87ea849e9f8e80db0d3 Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Mon, 23 Nov 2020 20:07:36 +0300
Subject: server: add first (work with sockets) level of abstraction

---
 src/server/sockets.hpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/server/sockets.hpp

(limited to 'src/server/sockets.hpp')

diff --git a/src/server/sockets.hpp b/src/server/sockets.hpp
new file mode 100644
index 0000000..2f47e3b
--- /dev/null
+++ b/src/server/sockets.hpp
@@ -0,0 +1,37 @@
+#ifndef SOCKETS_H
+#define SOCKETS_H
+
+#include <unistd.h>
+#include <sys/poll.h>
+
+class FdHandler { // abstract class
+    int fd;
+public:
+    FdHandler(int i_fd) : fd(i_fd) {} 
+    virtual ~FdHandler() { close(fd); }
+
+    int GetFd() const { return fd; }
+
+    virtual bool WantRead() const { return true; }
+    virtual bool WantWrite() const { return false; }
+    virtual void Handle(bool r, bool w) = 0;
+};
+
+class EventSelector {
+    FdHandler **fd_array;
+    struct pollfd *fds;
+    int fd_array_len;
+    int max_fd;
+
+    bool exit_flag;
+public:
+    EventSelector() : fd_array(0), fds(0), max_fd(-1), exit_flag(false) {}
+    ~EventSelector();
+
+    void Add(FdHandler *h);
+    bool Remove(FdHandler *h);
+
+    void Run();
+    void BreakLoop() { exit_flag = true; }
+};
+#endif
\ No newline at end of file
-- 
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