| /* |
| * |
| * Connection Manager |
| * |
| * Copyright (C) 2007-2009 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 |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <stdint.h> |
| |
| #include "connman.h" |
| |
| #define _DBG_RFKILL(fmt, arg...) DBG(DBG_RFKILL, fmt, ## arg) |
| |
| enum rfkill_type { |
| RFKILL_TYPE_ALL = 0, |
| RFKILL_TYPE_WLAN, |
| RFKILL_TYPE_BLUETOOTH, |
| RFKILL_TYPE_UWB, |
| RFKILL_TYPE_WIMAX, |
| RFKILL_TYPE_WWAN, |
| }; |
| |
| 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 gboolean rfkill_event(GIOChannel *chan, |
| GIOCondition cond, gpointer data) |
| { |
| unsigned char buf[32]; |
| struct rfkill_event *event = (void *) buf; |
| char sysname[32]; |
| connman_bool_t blocked; |
| gsize len = 0; |
| GIOStatus status; |
| |
| if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) |
| return FALSE; |
| |
| memset(buf, 0, sizeof(buf)); |
| |
| status = g_io_channel_read_chars(chan, (gchar *) buf, |
| sizeof(buf), &len, NULL); |
| if (status != G_IO_STATUS_NORMAL) { |
| if (status == G_IO_STATUS_AGAIN) |
| return TRUE; |
| return FALSE; |
| } |
| |
| if (len != sizeof(struct rfkill_event)) |
| return TRUE; |
| |
| _DBG_RFKILL("idx %u type %u op %u soft %u hard %u", |
| event->idx, event->type, event->op, |
| event->soft, event->hard); |
| |
| snprintf(sysname, sizeof(sysname) - 1, "rfkill%d", event->idx); |
| |
| blocked = (event->soft || event->hard) ? TRUE : FALSE; |
| |
| switch (event->type) { |
| case RFKILL_TYPE_ALL: |
| case RFKILL_TYPE_WLAN: |
| __connman_udev_rfkill(sysname, blocked); |
| break; |
| default: |
| break; |
| } |
| |
| return TRUE; |
| } |
| |
| static GIOChannel *channel = NULL; |
| |
| int __connman_rfkill_init(void) |
| { |
| int fd; |
| |
| _DBG_RFKILL(""); |
| |
| fd = open("/dev/rfkill", O_RDWR); |
| 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); |
| if (g_io_channel_set_encoding(channel, NULL, NULL) |
| != G_IO_STATUS_NORMAL) { |
| g_io_channel_unref(channel); |
| return -1; |
| } |
| g_io_channel_set_buffered(channel, FALSE); |
| |
| 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_RFKILL(""); |
| |
| if (channel == NULL) |
| return; |
| |
| g_io_channel_shutdown(channel, TRUE, NULL); |
| g_io_channel_unref(channel); |
| |
| channel = NULL; |
| } |