socket server added

skynet-src/socket_epoll.h

@@ -0,0 +1,77 @@
+#ifndef poll_socket_epoll_h
+#define poll_socket_epoll_h
+
+#include <netdb.h>
+#include <unistd.h>
+#include <sys/epoll.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <fcntl.h>
+
+static bool 
+sp_invalid(int efd) {
+	return efd == -1;
+}
+
+static int
+sp_create() {
+	return epoll_create(1024);
+}
+
+static void
+sp_release(int efd) {
+	close(efd);
+}
+
+static int 
+sp_add(int efd, int sock, void *ud) {
+	struct epoll_event ev;
+	ev.events = EPOLLIN;
+	ev.data.ptr = ud;
+	if (epoll_ctl(efd, EPOLL_CTL_ADD, sock, &ev) == -1) {
+		return 1;
+	}
+	return 0;
+}
+
+static void 
+sp_del(int efd, int sock) {
+	epoll_ctl(efd, EPOLL_CTL_DEL, sock , NULL);
+}
+
+static void 
+sp_write(int efd, int sock, void *ud, bool enable) {
+	struct epoll_event ev;
+	ev.events = EPOLLIN | (enable ? EPOLLOUT : 0);
+	ev.data.ptr = ud;
+	epoll_ctl(efd, EPOLL_CTL_MOD, sock, &ev);
+}
+
+static int 
+sp_wait(int efd, struct event *e, int max) {
+	struct epoll_event ev[max];
+	int n = epoll_wait(efd , ev, max, -1);
+	int i;
+	for (i=0;i<n;i++) {
+		e[i].s = ev[i].data.ptr;
+		unsigned flag = ev[i].events;
+		e[i].write = (flag & EPOLLOUT) != 0;
+		e[i].read = (flag & EPOLLIN) != 0;
+	}
+
+	return n;
+}
+
+static void
+sp_nonblocking(int fd) {
+	int flag = fcntl(fd, F_GETFL, 0);
+	if ( -1 == flag ) {
+		return;
+	}
+
+	fcntl(fd, F_SETFL, flag | O_NONBLOCK);
+}
+
+#endif