feat: 搭建了部分 epoll_loop 模块

include/ouc_server/epoll/epoll_loop.cpp

@@ -0,0 +1,32 @@
+#include <epoll/epoll_loop.hpp>
+
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/epoll.h>
+#include <netinet/in.h>
+
+namespace ouc_server
+{
+    namespace epoll
+    {
+
+        EpollLoop::EpollLoop()
+        {
+            epoll_fd = epoll_create1(0);
+        }
+
+        EpollLoop::~EpollLoop()
+        {
+            close(epoll_fd);
+        }
+
+        bool EpollLoop::add_fd(int fd, uint32_t event_flags, std::function<void()> callback)
+        {
+            struct epoll_event ev;
+            ev.events = event_flags;
+            ev.data.fd = fd;
+            epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ev);
+            events_map[fd] = Event{fd, event_flags, callback};
+        }
+    }
+}

include/ouc_server/epoll/epoll_loop.hpp

@@ -0,0 +1,41 @@
+#ifndef INCLUDE_OUC_SERVER_EPOLL_LOOP
+#define INCLUDE_OUC_SERVER_EPOLL_LOOP
+
+#include <cstdint>
+#include <string>
+#include <functional>
+#include <unordered_map>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/epoll.h>
+#include <netinet/in.h>
+
+namespace ouc_server
+{
+    namespace epoll
+    {
+        struct Event
+        {
+            int fd;
+            uint32_t events;
+            std::function<void()> callback;
+        };
+
+        class EpollLoop
+        {
+        private:
+            int epoll_fd;
+            std::unordered_map<int, Event> events_map;
+
+        public:
+            EpollLoop();
+
+            ~EpollLoop();
+
+        public:
+            bool add_fd(int, uint32_t, std::function<void()>);
+        };
+    }
+}
+
+#endif // INCLUDE_OUC_SERVER_EPOLL_LOOP