1 files changed, 57 insertions, 0 deletions
diff --git a/src/fd.c b/src/fd.c
new file mode 100644
index 0000000..46b443a
--- /dev/null
+++ b/src/fd.c
@@ -0,0 +1,57 @@
+/*
+ * (C) 2014 by Pablo Neira Ayuso <pablo@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <stdlib.h>
+#include <event.h>
+#include <stdint.h>
+#include <fd.h>
+
+static void nft_fd_cb(int _fd, short mask, void *data)
+{
+	struct nft_fd *nfd = data;
+
+	nfd->cb(nfd, mask);
+}
+
+void nft_fd_setup(struct nft_fd *nfd, int fd,
+		  void (*cb)(struct nft_fd *fd, uint32_t mask), void *data)
+{
+	/* add assertion */
+
+	nfd->fd = fd;
+	nfd->cb = cb;
+	nfd->data = data;
+}
+
+void nft_fd_register(struct nft_fd *nfd, uint32_t events)
+{
+	unsigned short mask = events;
+
+	/* add assertion */
+
+	event_set(&nfd->event, nfd->fd, mask, nft_fd_cb, nfd);
+	event_add(&nfd->event, NULL);
+}
+
+void nft_fd_unregister(struct nft_fd *fd)
+{
+	/* add assertion */
+	event_del(&fd->event);
+	fd->fd = -1;
+}
+
+struct nft_fd *nft_fd_alloc(void)
+{
+	return calloc(1, sizeof(struct nft_fd));
+}
+
+void nft_fd_free(struct nft_fd *nfd)
+{
+	free(nfd);
+}