hammer2 - Early messaging infrastructure

[dragonfly.git] / sbin / hammer2 / hammer2.h

/*
 * Copyright (c) 2011-2012 The DragonFly Project.  All rights reserved.
 *
 * This code is derived from software contributed to The DragonFly Project
 * by Matthew Dillon <dillon@dragonflybsd.org>
 * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of The DragonFly Project nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific, prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Rollup headers for hammer2 utility
 */
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/mount.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/tty.h>
#include <sys/endian.h>

#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>

#include <vfs/hammer2/hammer2_disk.h>
#include <vfs/hammer2/hammer2_mount.h>
#include <vfs/hammer2/hammer2_ioctl.h>
#include <vfs/hammer2/hammer2_network.h>

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stddef.h>

#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <uuid.h>
#include <assert.h>
#include <pthread.h>
#include <poll.h>

#include "network.h"

extern int DebugOpt;
extern int NormalExit;

int hammer2_ioctl_handle(const char *sel_path);
void hammer2_demon(void *(*func)(void *), void *arg);
void hammer2_bswap_head(hammer2_msg_hdr_t *head);

int cmd_remote_connect(const char *sel_path, const char *url);
int cmd_remote_disconnect(const char *sel_path, const char *url);
int cmd_remote_status(const char *sel_path, int all_opt);

int cmd_pfs_list(const char *sel_path);
int cmd_pfs_create(const char *sel_path, const char *name,
			uint8_t pfs_type, const char *uuid_str);
int cmd_pfs_delete(const char *sel_path, const char *name);

int cmd_node(void);
int cmd_leaf(const char *sel_path);
int cmd_debug(void);

void hammer2_ioq_init(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq);
void hammer2_ioq_done(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq);
void hammer2_iocom_init(hammer2_iocom_t *iocom, int sock_fd, int alt_fd);
void hammer2_iocom_done(hammer2_iocom_t *iocom);
hammer2_msg_t *hammer2_iocom_allocmsg(hammer2_iocom_t *iocom,
			uint32_t cmd, int aux_size);
void hammer2_iocom_reallocmsg(hammer2_iocom_t *iocom, hammer2_msg_t *msg,
			int aux_size);
void hammer2_iocom_freemsg(hammer2_iocom_t *iocom, hammer2_msg_t *msg);

void hammer2_iocom_core(hammer2_iocom_t *iocom,
			void (*iocom_recvmsg)(hammer2_iocom_t *),
			void (*iocom_sendmsg)(hammer2_iocom_t *),
			void (*iocom_altmsg)(hammer2_iocom_t *));
hammer2_msg_t *hammer2_ioq_read(hammer2_iocom_t *iocon);
void hammer2_ioq_write(hammer2_iocom_t *iocon, hammer2_msg_t *msg);
void hammer2_ioq_reply(hammer2_iocom_t *iocom, hammer2_msg_t *msg);
void hammer2_ioq_reply_term(hammer2_iocom_t *iocom, hammer2_msg_t *msg,
			uint16_t error);
void hammer2_ioq_write_drain(hammer2_iocom_t *iocon);

void hammer2_debug_remote(hammer2_iocom_t *iocom, hammer2_msg_t *msg);
void iocom_printf(hammer2_iocom_t *iocom, hammer2_msg_t *msg,
			const char *ctl, ...);