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/*
*
* Connection Manager
*
* Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* 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.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdint.h>
#include "connman.h"
enum rfkill_type {
RFKILL_TYPE_ALL = 0,
RFKILL_TYPE_WLAN,
RFKILL_TYPE_BLUETOOTH,
RFKILL_TYPE_UWB,
RFKILL_TYPE_WIMAX,
RFKILL_TYPE_WWAN,
RFKILL_TYPE_GPS,
RFKILL_TYPE_FM,
NUM_RFKILL_TYPES,
};
enum rfkill_operation {
RFKILL_OP_ADD = 0,
RFKILL_OP_DEL,
RFKILL_OP_CHANGE,
RFKILL_OP_CHANGE_ALL,
};
struct rfkill_event {
uint32_t idx;
uint8_t type;
uint8_t op;
uint8_t soft;
uint8_t hard;
};
static enum connman_service_type convert_type(uint8_t type)
{
switch (type) {
case RFKILL_TYPE_WLAN:
return CONNMAN_SERVICE_TYPE_WIFI;
case RFKILL_TYPE_BLUETOOTH:
return CONNMAN_SERVICE_TYPE_BLUETOOTH;
case RFKILL_TYPE_WIMAX:
return CONNMAN_SERVICE_TYPE_WIMAX;
case RFKILL_TYPE_WWAN:
return CONNMAN_SERVICE_TYPE_CELLULAR;
}
return CONNMAN_SERVICE_TYPE_UNKNOWN;
}
static enum rfkill_type convert_service_type(enum connman_service_type type)
{
switch (type) {
case CONNMAN_SERVICE_TYPE_WIFI:
return RFKILL_TYPE_WLAN;
case CONNMAN_SERVICE_TYPE_BLUETOOTH:
return RFKILL_TYPE_BLUETOOTH;
case CONNMAN_SERVICE_TYPE_WIMAX:
return RFKILL_TYPE_WIMAX;
case CONNMAN_SERVICE_TYPE_CELLULAR:
return RFKILL_TYPE_WWAN;
case CONNMAN_SERVICE_TYPE_GPS:
return RFKILL_TYPE_GPS;
case CONNMAN_SERVICE_TYPE_SYSTEM:
case CONNMAN_SERVICE_TYPE_ETHERNET:
case CONNMAN_SERVICE_TYPE_VPN:
case CONNMAN_SERVICE_TYPE_GADGET:
case CONNMAN_SERVICE_TYPE_UNKNOWN:
return NUM_RFKILL_TYPES;
}
return NUM_RFKILL_TYPES;
}
static GIOStatus rfkill_process(GIOChannel *chan)
{
unsigned char buf[32];
struct rfkill_event *event = (void *) buf;
enum connman_service_type type;
gsize len;
GIOStatus status;
DBG("");
memset(buf, 0, sizeof(buf));
status = g_io_channel_read_chars(chan, (gchar *) buf,
sizeof(struct rfkill_event), &len, NULL);
if (status != G_IO_STATUS_NORMAL)
return status;
if (len != sizeof(struct rfkill_event))
return status;
DBG("idx %u type %u op %u soft %u hard %u", event->idx,
event->type, event->op,
event->soft, event->hard);
type = convert_type(event->type);
switch (event->op) {
case RFKILL_OP_ADD:
__connman_technology_add_rfkill(event->idx, type,
event->soft, event->hard);
break;
case RFKILL_OP_DEL:
__connman_technology_remove_rfkill(event->idx, type);
break;
case RFKILL_OP_CHANGE:
__connman_technology_update_rfkill(event->idx, type,
event->soft, event->hard);
break;
default:
break;
}
return status;
}
static gboolean rfkill_event(GIOChannel *chan,
GIOCondition cond, gpointer data)
{
if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
return FALSE;
if (rfkill_process(chan) == G_IO_STATUS_ERROR)
return FALSE;
return TRUE;
}
static GIOChannel *channel = NULL;
int __connman_rfkill_block(enum connman_service_type type, connman_bool_t block)
{
uint8_t rfkill_type;
struct rfkill_event event;
ssize_t len;
int fd, err;
DBG("type %d block %d", type, block);
rfkill_type = convert_service_type(type);
if (rfkill_type == NUM_RFKILL_TYPES)
return -EINVAL;
fd = open("/dev/rfkill", O_RDWR | O_CLOEXEC);
if (fd < 0)
return fd;
memset(&event, 0, sizeof(event));
event.op = RFKILL_OP_CHANGE_ALL;
event.type = rfkill_type;
event.soft = block;
len = write(fd, &event, sizeof(event));
if (len < 0) {
connman_error("Failed to change RFKILL state");
err = len;
} else
err = 0;
close(fd);
return err;
}
int __connman_rfkill_init(void)
{
GIOFlags flags;
int fd;
DBG("");
fd = open("/dev/rfkill", O_RDWR | O_CLOEXEC);
if (fd < 0) {
connman_error("Failed to open RFKILL control device");
return -EIO;
}
channel = g_io_channel_unix_new(fd);
g_io_channel_set_close_on_unref(channel, TRUE);
g_io_channel_set_encoding(channel, NULL, NULL);
g_io_channel_set_buffered(channel, FALSE);
flags = g_io_channel_get_flags(channel);
flags |= G_IO_FLAG_NONBLOCK;
g_io_channel_set_flags(channel, flags, NULL);
/* Process current RFKILL events sent on device open */
while (rfkill_process(channel) == G_IO_STATUS_NORMAL);
g_io_add_watch(channel, G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
rfkill_event, NULL);
return 0;
}
void __connman_rfkill_cleanup(void)
{
DBG("");
if (channel == NULL)
return;
g_io_channel_shutdown(channel, TRUE, NULL);
g_io_channel_unref(channel);
channel = NULL;
}
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