140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
/*
|
|
* DECT Netlink Interface
|
|
*
|
|
* Copyright (c) 2009 Patrick McHardy <kaber@trash.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <stdarg.h>
|
|
|
|
#include <netlink/netlink.h>
|
|
#include <netlink/object.h>
|
|
#include <netlink/msg.h>
|
|
#include <netlink/dect/cluster.h>
|
|
#include <netlink/dect/ari.h>
|
|
|
|
#include <libdect.h>
|
|
#include <netlink.h>
|
|
#include <utils.h>
|
|
|
|
static void dect_netlink_event(struct dect_handle *dh, struct dect_fd *fd,
|
|
uint32_t event)
|
|
{
|
|
nl_recvmsgs_default(dh->nlsock);
|
|
}
|
|
|
|
static void dect_netlink_set_callback(struct dect_handle *dh,
|
|
nl_recvmsg_msg_cb_t func,
|
|
void *arg)
|
|
{
|
|
nl_socket_modify_cb(dh->nlsock, NL_CB_VALID, NL_CB_CUSTOM, func, arg);
|
|
}
|
|
|
|
static void dect_netlink_parse_ari(struct dect_ari *ari, const struct nl_dect_ari *nlari)
|
|
{
|
|
ari->arc = nl_dect_ari_get_class(nlari);
|
|
switch (ari->arc) {
|
|
case DECT_ARC_A:
|
|
ari->emc = nl_dect_ari_get_emc(nlari);
|
|
ari->fpn = nl_dect_ari_get_fpn(nlari);
|
|
dect_debug("ARI class A: EMC: %.4x FPN: %.5x\n",
|
|
ari->emc, ari->fpn);
|
|
break;
|
|
case DECT_ARC_B:
|
|
ari->eic = nl_dect_ari_get_eic(nlari);
|
|
ari->fpn = nl_dect_ari_get_fpn(nlari);
|
|
ari->fps = nl_dect_ari_get_fps(nlari);
|
|
break;
|
|
case DECT_ARC_C:
|
|
ari->poc = nl_dect_ari_get_poc(nlari);
|
|
ari->fpn = nl_dect_ari_get_fpn(nlari);
|
|
ari->fps = nl_dect_ari_get_fps(nlari);
|
|
break;
|
|
case DECT_ARC_D:
|
|
ari->gop = nl_dect_ari_get_gop(nlari);
|
|
ari->fpn = nl_dect_ari_get_fpn(nlari);
|
|
break;
|
|
case DECT_ARC_E:
|
|
ari->fil = nl_dect_ari_get_fil(nlari);
|
|
ari->fpn = nl_dect_ari_get_fpn(nlari);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void get_cluster_cb(struct nl_object *obj, void *arg)
|
|
{
|
|
struct dect_handle *dh = arg;
|
|
struct nl_dect_cluster *cl = (struct nl_dect_cluster *)obj;
|
|
|
|
dh->index = nl_dect_cluster_get_index(cl);
|
|
dh->mode = nl_dect_cluster_get_mode(cl);
|
|
dect_netlink_parse_ari(&dh->pari, nl_dect_cluster_get_pari(cl));
|
|
}
|
|
|
|
static int dect_netlink_get_cluster_cb(struct nl_msg *msg, void *arg)
|
|
{
|
|
return nl_msg_parse(msg, get_cluster_cb, arg);
|
|
}
|
|
|
|
int dect_netlink_init(struct dect_handle *dh)
|
|
{
|
|
struct nl_dect_cluster *cl;
|
|
int err;
|
|
|
|
dh->nlsock = nl_socket_alloc();
|
|
if (dh->nlsock == NULL)
|
|
goto err1;
|
|
|
|
err = nl_connect(dh->nlsock, NETLINK_DECT);
|
|
if (err < 0)
|
|
goto err2;
|
|
|
|
err = nl_socket_set_nonblocking(dh->nlsock);
|
|
if (err < 0)
|
|
goto err2;
|
|
|
|
dh->nlfd = dect_alloc_fd(dh);
|
|
if (dh->nlfd == NULL)
|
|
goto err2;
|
|
dh->nlfd->fd = nl_socket_get_fd(dh->nlsock);
|
|
|
|
dh->nlfd->callback = dect_netlink_event;
|
|
if (dect_register_fd(dh, dh->nlfd, DECT_FD_READ))
|
|
goto err3;
|
|
|
|
cl = nl_dect_cluster_alloc();
|
|
if (cl == NULL)
|
|
goto err4;
|
|
nl_dect_cluster_set_name(cl, "cluster0");
|
|
|
|
dect_netlink_set_callback(dh, dect_netlink_get_cluster_cb, dh);
|
|
err = nl_dect_cluster_query(dh->nlsock, cl, 0);
|
|
dect_netlink_set_callback(dh, NULL, NULL);
|
|
if (err < 0)
|
|
goto err5;
|
|
|
|
return 0;
|
|
err5:
|
|
nl_dect_cluster_put(cl);
|
|
err4:
|
|
dect_unregister_fd(dh, dh->nlfd);
|
|
err3:
|
|
dect_free(dh, dh->nlfd);
|
|
err2:
|
|
nl_close(dh->nlsock);
|
|
err1:
|
|
return -1;
|
|
}
|
|
|
|
void dect_netlink_exit(struct dect_handle *dh)
|
|
{
|
|
dect_unregister_fd(dh, dh->nlfd);
|
|
nl_close(dh->nlsock);
|
|
dect_free(dh, dh->nlfd);
|
|
}
|