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/******************************************************************************
*******************************************************************************
**
** Copyright (C) 2005 Red Hat, Inc. All rights reserved.
**
** This copyrighted material is made available to anyone wishing to use,
** modify, copy, or redistribute it subject to the terms and conditions
** of the GNU General Public License v.2.
**
*******************************************************************************
******************************************************************************/
#include <sys/types.h>
#include <asm/types.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <fcntl.h>
#include <netdb.h>
#include <limits.h>
#include <unistd.h>
#include "dlm_node.h"
#define DLM_SYSFS_DIR "/sys/kernel/dlm"
int do_command(int op, struct dlm_node_ioctl *ni);
/*
set_local <nodeid> <ipaddr> [<weight>]
set_node <nodeid> <ipaddr> [<weight>]
members <ls_name> <nodeid>...
control <ls_name> <num>
event_done <ls_name> <num>
set_id <ls_name> <id>
*/
/*
* ioctl interface only used for setting up addr/nodeid info
* with set_local and set_node
*/
static void init_ni(struct dlm_node_ioctl *ni)
{
memset(ni, 0, sizeof(struct dlm_node_ioctl));
ni->version[0] = DLM_NODE_VERSION_MAJOR;
ni->version[1] = DLM_NODE_VERSION_MINOR;
ni->version[2] = DLM_NODE_VERSION_PATCH;
}
static void set_ipaddr(struct dlm_node_ioctl *ni, char *ip)
{
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
inet_pton(AF_INET, ip, &sin.sin_addr);
memcpy(ni->addr, &sin, sizeof(sin));
}
int set_node(int argc, char **argv)
{
struct dlm_node_ioctl ni;
if (argc < 2 || argc > 3)
return -EINVAL;
init_ni(&ni);
ni.nodeid = atoi(argv[0]);
set_ipaddr(&ni, argv[1]);
if (argc > 2)
ni.weight = atoi(argv[2]);
else
ni.weight = 1;
return do_command(DLM_SET_NODE, &ni);
}
int set_local(int argc, char **argv)
{
struct dlm_node_ioctl ni;
if (argc < 2 || argc > 3)
return -EINVAL;
init_ni(&ni);
ni.nodeid = atoi(argv[0]);
set_ipaddr(&ni, argv[1]);
if (argc > 2)
ni.weight = atoi(argv[2]);
return do_command(DLM_SET_LOCAL, &ni);
}
static int ls_general(char *name, char *file, char *val)
{
char fname[512];
int rv, fd, len;
sprintf(fname, "%s/%s/%s", DLM_SYSFS_DIR, name, file);
fd = open(fname, O_WRONLY);
if (fd < 0) {
printf("open \"%s\" error %d %d\n", fname, fd, errno);
return -1;
}
/* printf("write \"%s\" to \"%s\"\n", val, fname); */
len = strlen(val) + 1;
rv = write(fd, val, len);
if (rv != len) {
printf("write %d error %d %d\n", len, rv, errno);
rv = -1;
} else
rv = 0;
close(fd);
return rv;
}
int ls_control(int argc, char **argv)
{
return ls_general(argv[0], "control", argv[1]);
}
int ls_event_done(int argc, char **argv)
{
return ls_general(argv[0], "event_done", argv[1]);
}
int ls_members(int argc, char **argv)
{
return ls_general(argv[0], "members", argv[1]);
}
int ls_set_id(int argc, char **argv)
{
return ls_general(argv[0], "id", argv[1]);
}

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