diff options
Diffstat (limited to 'msg.h')
| -rw-r--r-- | msg.h | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -0,0 +1,37 @@ +/* + * 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) |