| /* |
| * Copyright (C) 2008 Intel Corporation |
| * |
| * mdmon socket / message handling |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| struct mdinfo; |
| struct metadata_update; |
| |
| extern int receive_message(int fd, struct metadata_update *msg, int tmo); |
| extern int send_message(int fd, struct metadata_update *msg, int tmo); |
| extern int ack(int fd, int tmo); |
| extern int wait_reply(int fd, int tmo); |
| extern int connect_monitor(char *devname); |
| extern int ping_monitor(char *devname); |
| extern int block_subarray(struct mdinfo *sra); |
| extern int unblock_subarray(struct mdinfo *sra, const int unfreeze); |
| extern int block_monitor(char *container, const int freeze); |
| extern void unblock_monitor(char *container, const int unfreeze); |
| extern int fping_monitor(int sock); |
| extern int ping_manager(char *devname); |
| extern void flush_mdmon(char *container); |
| |
| #define MSG_MAX_LEN (4*1024*1024) |