Index: bgpd/imsg.h =================================================================== RCS file: bgpd/imsg.h diff -N bgpd/imsg.h --- bgpd/imsg.h 14 Feb 2010 20:19:57 -0000 1.1.1.5 +++ /dev/null 1 Jan 1970 00:00:00 -0000 @@ -1,108 +0,0 @@ -/* $OpenBSD: imsg.h,v 1.3 2009/06/07 05:56:24 eric Exp $ */ - -/* - * Copyright (c) 2006, 2007 Pierre-Yves Ritschard - * Copyright (c) 2006, 2007, 2008 Reyk Floeter - * Copyright (c) 2003, 2004 Henning Brauer - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include - -#define READ_BUF_SIZE 65535 -#define IMSG_HEADER_SIZE sizeof(struct imsg_hdr) -#define MAX_IMSGSIZE 16384 - -struct buf { - TAILQ_ENTRY(buf) entry; - u_char *buf; - size_t size; - size_t max; - size_t wpos; - size_t rpos; - int fd; -}; - -struct msgbuf { - TAILQ_HEAD(, buf) bufs; - u_int32_t queued; - int fd; -}; - -struct buf_read { - u_char buf[READ_BUF_SIZE]; - u_char *rptr; - size_t wpos; -}; - -struct imsg_fd { - TAILQ_ENTRY(imsg_fd) entry; - int fd; -}; - -struct imsgbuf { - TAILQ_HEAD(, imsg_fd) fds; - struct buf_read r; - struct msgbuf w; - int fd; - pid_t pid; -}; - -#define IMSGF_HASFD 1 - -struct imsg_hdr { - u_int32_t type; - u_int16_t len; - u_int16_t flags; - u_int32_t peerid; - u_int32_t pid; -}; - -struct imsg { - struct imsg_hdr hdr; - int fd; - void *data; -}; - - -/* buffer.c */ -struct buf *buf_open(size_t); -struct buf *buf_dynamic(size_t, size_t); -int buf_add(struct buf *, const void *, size_t); -void *buf_reserve(struct buf *, size_t); -void *buf_seek(struct buf *, size_t, size_t); -size_t buf_size(struct buf *); -size_t buf_left(struct buf *); -void buf_close(struct msgbuf *, struct buf *); -int buf_write(struct msgbuf *); -void buf_free(struct buf *); -void msgbuf_init(struct msgbuf *); -void msgbuf_clear(struct msgbuf *); -int msgbuf_write(struct msgbuf *); - -/* imsg.c */ -void imsg_init(struct imsgbuf *, int); -ssize_t imsg_read(struct imsgbuf *); -ssize_t imsg_get(struct imsgbuf *, struct imsg *); -int imsg_compose(struct imsgbuf *, u_int32_t, u_int32_t, pid_t, - int, void *, u_int16_t); -int imsg_composev(struct imsgbuf *, u_int32_t, u_int32_t, pid_t, - int, const struct iovec *, int); -struct buf *imsg_create(struct imsgbuf *, u_int32_t, u_int32_t, pid_t, - u_int16_t); -int imsg_add(struct buf *, void *, u_int16_t); -void imsg_close(struct imsgbuf *, struct buf *); -void imsg_free(struct imsg *); -int imsg_flush(struct imsgbuf *); -void imsg_clear(struct imsgbuf *);