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import asyncio
import functools
import logging
import math
import click
from zigpy.config import SCHEMA_NETWORK
import bellows.types as t
import bellows.zigbee.util as zutil
from . import opts, util
from .main import main
LOGGER = logging.getLogger(__name__)
@main.command()
@opts.channels
@opts.extended_pan
@opts.pan
@click.pass_context
@util.background
async def join(ctx, channels, pan_id, extended_pan_id):
"""Join an existing ZigBee network as an end device"""
def cb(fut, frame_name, response):
if frame_name == "stackStatusHandler":
fut.set_result(response)
s = await util.setup(ctx.obj["device"], ctx.obj["baudrate"])
channel = None
if len(channels) != 1:
if pan_id or extended_pan_id:
raise click.BadOptionUsage(
"--channels", "Specify exactly one channel to join a specific network"
)
else:
channel = t.uint8_t(channels[0])
if not (pan_id or extended_pan_id):
scan_type = t.EzspNetworkScanType.ACTIVE_SCAN
channel_mask = util.channel_mask(channels)
click.echo(
"PAN not provided, scanning channels %s..."
% (" ".join(map(str, channels)),)
)
v = await s.startScan(scan_type, channel_mask, 3)
networks = [n[0] for n in v if n[0].allowingJoin]
if len(networks) == 0:
click.echo("No joinable networks found")
return 1
if len(networks) > 1:
click.echo("Multiple joinable networks found. Refusing to pick.")
return 1
network = networks[0]
pan_id = network.panId
extended_pan_id = network.extendedPanId
channel = network.channel
click.echo(f"Found network {pan_id} {extended_pan_id} on channel {channel}")
if pan_id is None:
pan_id = t.uint16_t(0)
else:
pan_id = t.uint16_t(pan_id)
if isinstance(extended_pan_id, str):
extended_pan_id = util.parse_epan(extended_pan_id)
if extended_pan_id is None:
extended_pan_id = t.FixedList[t.uint8_t, 8]([t.uint8_t(0)] * 8)
v = await util.network_init(s)
if v[0] == t.EmberStatus.SUCCESS:
LOGGER.debug("Network was up, leaving...")
v = await s.leaveNetwork()
util.check(v[0], f"Failure leaving network: {v[0]}")
await asyncio.sleep(1) # TODO
initial_security_state = zutil.zha_security(SCHEMA_NETWORK({}))
v = await s.setInitialSecurityState(initial_security_state)
util.check(v[0], f"Setting security state failed: {v[0]}")
parameters = t.EmberNetworkParameters()
parameters.extendedPanId = extended_pan_id
parameters.panId = pan_id
parameters.radioTxPower = t.uint8_t(8)
parameters.radioChannel = t.uint8_t(channel)
parameters.joinMethod = t.EmberJoinMethod.USE_MAC_ASSOCIATION
parameters.nwkManagerId = t.EmberNodeId(0)
parameters.nwkUpdateId = t.uint8_t(0)
parameters.channels = t.uint32_t(0)
click.echo(parameters)
fut = asyncio.Future()
cbid = s.add_callback(functools.partial(cb, fut))
v = await s.joinNetwork(t.EmberNodeType.END_DEVICE, parameters)
util.check(v[0], f"Joining network failed: {v[0]}")
v = await fut
click.echo(v)
s.remove_callback(cbid)
s.close()
@main.command()
@click.pass_context
@util.background
async def leave(ctx):
"""Leave the ZigBee network"""
s = await util.setup(ctx.obj["device"], ctx.obj["baudrate"])
v = await util.network_init(s)
if v[0] == t.EmberStatus.NOT_JOINED:
click.echo("Not joined, not leaving")
else:
v = await s.leaveNetwork()
util.check(
v[0],
f"Failure leaving network: {v[0]}",
expected=t.EmberStatus.NETWORK_DOWN,
)
s.close()
@main.command()
@opts.channels
@opts.duration_ms
@click.option("-e", "--energy", "energy_scan", is_flag=True)
@click.pass_context
@util.background
async def scan(ctx, channels, duration_ms, energy_scan):
"""Scan for networks or radio interference"""
s = await util.setup(ctx.obj["device"], ctx.obj["baudrate"])
channel_mask = util.channel_mask(channels)
click.echo("Scanning channels {}".format(" ".join(map(str, channels))))
# TFM says:
# Sets the exponent of the number of scan periods, where a scan period is
# 960 symbols. The scan will occur for ((2^duration) + 1) scan periods.
# 1 symbol is 16us
duration_symbols = duration_ms / (960 * 0.016)
duration_symbol_exp = max(0, math.ceil(math.log(duration_symbols - 1, 2)))
scan_type = t.EzspNetworkScanType.ACTIVE_SCAN
if energy_scan:
scan_type = t.EzspNetworkScanType.ENERGY_SCAN
v = await s.startScan(scan_type, channel_mask, duration_symbol_exp)
for network in v:
click.echo(network)
s.close()
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