b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # rfkill control code |
| 4 | # |
| 5 | # Copyright (c) 2015 Intel Corporation |
| 6 | # |
| 7 | # Author: Johannes Berg <johannes.berg@intel.com> |
| 8 | # |
| 9 | # This software may be distributed under the terms of the BSD license. |
| 10 | # See README for more details. |
| 11 | |
| 12 | import struct |
| 13 | import fcntl |
| 14 | import os |
| 15 | |
| 16 | (TYPE_ALL, |
| 17 | TYPE_WLAN, |
| 18 | TYPE_BLUETOOTH, |
| 19 | TYPE_UWB, |
| 20 | TYPE_WIMAX, |
| 21 | TYPE_WWAN, |
| 22 | TYPE_GPS, |
| 23 | TYPE_FM, |
| 24 | TYPE_NFC) = list(range(9)) |
| 25 | |
| 26 | (_OP_ADD, |
| 27 | _OP_DEL, |
| 28 | _OP_CHANGE, |
| 29 | _OP_CHANGE_ALL) = list(range(4)) |
| 30 | |
| 31 | _type_names = { |
| 32 | TYPE_ALL: "all", |
| 33 | TYPE_WLAN: "Wireless LAN", |
| 34 | TYPE_BLUETOOTH: "Bluetooth", |
| 35 | TYPE_UWB: "Ultra-Wideband", |
| 36 | TYPE_WIMAX: "WiMAX", |
| 37 | TYPE_WWAN: "Wireless WAN", |
| 38 | TYPE_GPS: "GPS", |
| 39 | TYPE_FM: "FM", |
| 40 | TYPE_NFC: "NFC", |
| 41 | } |
| 42 | |
| 43 | # idx, type, op, soft, hard |
| 44 | _event_struct = '@IBBBB' |
| 45 | _event_sz = struct.calcsize(_event_struct) |
| 46 | |
| 47 | class RFKillException(Exception): |
| 48 | pass |
| 49 | |
| 50 | class RFKill(object): |
| 51 | def __init__(self, idx): |
| 52 | self._idx = idx |
| 53 | self._type = None |
| 54 | |
| 55 | @property |
| 56 | def idx(self): |
| 57 | return self._idx |
| 58 | |
| 59 | @property |
| 60 | def name(self): |
| 61 | return open('/sys/class/rfkill/rfkill%d/name' % self._idx, 'r').read().rstrip() |
| 62 | |
| 63 | @property |
| 64 | def type(self): |
| 65 | if not self._type: |
| 66 | for r, s, h in RFKill.list(): |
| 67 | if r.idx == self.idx: |
| 68 | self._type = r._type |
| 69 | break |
| 70 | return self._type |
| 71 | |
| 72 | @property |
| 73 | def type_name(self): |
| 74 | return _type_names.get(self._type, "unknown") |
| 75 | |
| 76 | @property |
| 77 | def blocked(self): |
| 78 | l = RFKill.list() |
| 79 | for r, s, h in l: |
| 80 | if r.idx == self.idx: |
| 81 | return (s, h) |
| 82 | raise RFKillException("RFKill instance no longer exists") |
| 83 | |
| 84 | @property |
| 85 | def soft_blocked(self): |
| 86 | return self.blocked[0] |
| 87 | |
| 88 | @soft_blocked.setter |
| 89 | def soft_blocked(self, block): |
| 90 | if block: |
| 91 | self.block() |
| 92 | else: |
| 93 | self.unblock() |
| 94 | |
| 95 | @property |
| 96 | def hard_blocked(self): |
| 97 | return self.blocked[1] |
| 98 | |
| 99 | def block(self): |
| 100 | rfk = open('/dev/rfkill', 'wb') |
| 101 | s = struct.pack(_event_struct, self.idx, TYPE_ALL, _OP_CHANGE, 1, 0) |
| 102 | rfk.write(s) |
| 103 | rfk.close() |
| 104 | |
| 105 | def unblock(self): |
| 106 | rfk = open('/dev/rfkill', 'wb') |
| 107 | s = struct.pack(_event_struct, self.idx, TYPE_ALL, _OP_CHANGE, 0, 0) |
| 108 | rfk.write(s) |
| 109 | rfk.close() |
| 110 | |
| 111 | @classmethod |
| 112 | def block_all(cls, t=TYPE_ALL): |
| 113 | rfk = open('/dev/rfkill', 'wb') |
| 114 | print(rfk) |
| 115 | s = struct.pack(_event_struct, 0, t, _OP_CHANGE_ALL, 1, 0) |
| 116 | rfk.write(s) |
| 117 | rfk.close() |
| 118 | |
| 119 | @classmethod |
| 120 | def unblock_all(cls, t=TYPE_ALL): |
| 121 | rfk = open('/dev/rfkill', 'wb') |
| 122 | s = struct.pack(_event_struct, 0, t, _OP_CHANGE_ALL, 0, 0) |
| 123 | rfk.write(s) |
| 124 | rfk.close() |
| 125 | |
| 126 | @classmethod |
| 127 | def list(cls): |
| 128 | res = [] |
| 129 | rfk = open('/dev/rfkill', 'rb', buffering=0) |
| 130 | fd = rfk.fileno() |
| 131 | flgs = fcntl.fcntl(fd, fcntl.F_GETFL) |
| 132 | fcntl.fcntl(fd, fcntl.F_SETFL, flgs | os.O_NONBLOCK) |
| 133 | while True: |
| 134 | try: |
| 135 | d = rfk.read(_event_sz) |
| 136 | if d == None: |
| 137 | break |
| 138 | _idx, _t, _op, _s, _h = struct.unpack(_event_struct, d) |
| 139 | if _op != _OP_ADD: |
| 140 | continue |
| 141 | r = RFKill(_idx) |
| 142 | r._type = _t |
| 143 | res.append((r, _s, _h)) |
| 144 | except IOError: |
| 145 | break |
| 146 | return res |
| 147 | |
| 148 | if __name__ == "__main__": |
| 149 | for r, s, h in RFKill.list(): |
| 150 | print("%d: %s: %s" % (r.idx, r.name, r.type_name)) |
| 151 | print("\tSoft blocked: %s" % ("yes" if s else "no")) |
| 152 | print("\tHard blocked: %s" % ("yes" if h else "no")) |