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/*
Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that 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, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _CLIENT_PROTOCOL_H
#define _CLIENT_PROTOCOL_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <arpa/inet.h>
#include "inode.h"
#include "timer.h"
#include "byte-order.h"
#define CLIENT_PROTO_FORGET_LIMIT 128
#define CLIENT_PORT_CIELING 1023
#define GF_CLIENT_INODE_SELF 0
#define GF_CLIENT_INODE_PARENT 1
#define CLIENT_CONF(this) ((client_conf_t *)(this->private))
#define RECEIVE_TIMEOUT(_cprivate,_current) \
((_cprivate->last_received.tv_sec + \
_cprivate->transport_timeout) < \
_current.tv_sec)
#define SEND_TIMEOUT(_cprivate,_current) \
((_cprivate->last_sent.tv_sec + \
_cprivate->transport_timeout) < \
_current.tv_sec)
enum {
CHANNEL_BULK = 0,
CHANNEL_LOWLAT = 1,
CHANNEL_MAX
};
#define CLIENT_CHANNEL client_channel
struct client_connection;
typedef struct client_connection client_connection_t;
#include "stack.h"
#include "xlator.h"
#include "transport.h"
#include "protocol.h"
struct _client_conf {
transport_t *transport[CHANNEL_MAX];
xlator_t *child;
/* enhancement for 'forget', a must required where lot
of stats happening */
struct {
uint64_t ino_array[CLIENT_PROTO_FORGET_LIMIT + 4];
uint32_t count;
uint32_t frames_in_transit;
gf_lock_t lock;
} forget;
dict_t *saved_fds;
pthread_mutex_t mutex;
};
typedef struct _client_conf client_conf_t;
/* This will be stored in transport_t->xl_private */
struct client_connection {
pthread_mutex_t lock;
uint64_t callid;
struct saved_frames *saved_frames;
int32_t transport_timeout;
int32_t ping_started;
int32_t ping_timeout;
int32_t transport_activity;
gf_timer_t *reconnect;
char connected;
uint64_t max_block_size;
struct timeval last_sent;
struct timeval last_received;
gf_timer_t *timer;
gf_timer_t *ping_timer;
};
typedef struct {
loc_t loc;
loc_t loc2;
fd_t *fd;
} client_local_t;
typedef struct {
gf_hdr_common_t *hdr;
size_t hdrlen;
call_frame_t *frame;
} client_forget_t;
static inline void
gf_string_to_stat(char *string, struct stat *stbuf)
{
uint64_t dev = 0;
uint64_t ino = 0;
uint32_t mode = 0;
uint32_t nlink = 0;
uint32_t uid = 0;
uint32_t gid = 0;
uint64_t rdev = 0;
uint64_t size = 0;
uint32_t blksize = 0;
uint64_t blocks = 0;
uint32_t atime = 0;
uint32_t atime_nsec = 0;
uint32_t mtime = 0;
uint32_t mtime_nsec = 0;
uint32_t ctime = 0;
uint32_t ctime_nsec = 0;
sscanf (string, GF_STAT_PRINT_FMT_STR,
&dev,
&ino,
&mode,
&nlink,
&uid,
&gid,
&rdev,
&size,
&blksize,
&blocks,
&atime,
&atime_nsec,
&mtime,
&mtime_nsec,
&ctime,
&ctime_nsec);
stbuf->st_dev = dev;
stbuf->st_ino = ino;
stbuf->st_mode = mode;
stbuf->st_nlink = nlink;
stbuf->st_uid = uid;
stbuf->st_gid = gid;
stbuf->st_rdev = rdev;
stbuf->st_size = size;
stbuf->st_blksize = blksize;
stbuf->st_blocks = blocks;
stbuf->st_atime = atime;
stbuf->st_mtime = mtime;
stbuf->st_ctime = ctime;
ST_ATIM_NSEC_SET(stbuf, atime_nsec);
ST_MTIM_NSEC_SET(stbuf, mtime_nsec);
ST_CTIM_NSEC_SET(stbuf, ctime_nsec);
}
#endif
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