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Change SSDP discovery scan interval to 10 minutes (#99975)

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* Change SSDP discovery scan interval to 10 minutes

The first version used a scan interval of 1 minute which we
increased to 2 minutes because it generated too much traffic.

We kept it at 2 minutes because Sonos historicly needed to
get SSDP discovery to stay alive. This is no longer the case
as Sonos has multiple ways to keep from going unavailable:

- mDNS support was added
- We now listen for SSDP alive and good bye all the time
- Each incoming packet from the device keeps it alive now
- We probe when we think the device might be offline

This means it should no longer be necessary to have such a
frequent scan which is a drag on all devices on the network
since its multicast

* adjust tests
This commit is contained in:
J. Nick Koston 2023-09-09 09:54:40 -05:00 committed by GitHub
parent e425662494
commit bb2cdbe7bc
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2 changed files with 5 additions and 5 deletions
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2
homeassistant/components/ssdp/__init__.py
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@ -63,7 +63,7 @@ SSDP_SCANNER = "scanner"
UPNP_SERVER = "server" UPNP_SERVER = "server"
UPNP_SERVER_MIN_PORT = 40000 UPNP_SERVER_MIN_PORT = 40000
UPNP_SERVER_MAX_PORT = 40100 UPNP_SERVER_MAX_PORT = 40100
SCAN_INTERVAL = timedelta(minutes=2) SCAN_INTERVAL = timedelta(minutes=10)
IPV4_BROADCAST = IPv4Address("255.255.255.255") IPV4_BROADCAST = IPv4Address("255.255.255.255")

8
tests/components/ssdp/test_init.py
View File

@ -1,5 +1,5 @@
"""Test the SSDP integration.""" """Test the SSDP integration."""
from datetime import datetime, timedelta from datetime import datetime
from ipaddress import IPv4Address from ipaddress import IPv4Address
from unittest.mock import ANY, AsyncMock, patch from unittest.mock import ANY, AsyncMock, patch
@ -447,7 +447,7 @@ async def test_start_stop_scanner(mock_source_set, hass: HomeAssistant) -> None:
hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED) hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
await hass.async_block_till_done() await hass.async_block_till_done()
async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=200)) async_fire_time_changed(hass, dt_util.utcnow() + ssdp.SCAN_INTERVAL)
await hass.async_block_till_done() await hass.async_block_till_done()
assert ssdp_listener.async_start.call_count == 1 assert ssdp_listener.async_start.call_count == 1
assert ssdp_listener.async_search.call_count == 4 assert ssdp_listener.async_search.call_count == 4
@ -455,7 +455,7 @@ async def test_start_stop_scanner(mock_source_set, hass: HomeAssistant) -> None:
hass.bus.async_fire(EVENT_HOMEASSISTANT_STOP) hass.bus.async_fire(EVENT_HOMEASSISTANT_STOP)
await hass.async_block_till_done() await hass.async_block_till_done()
async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=200)) async_fire_time_changed(hass, dt_util.utcnow() + ssdp.SCAN_INTERVAL)
await hass.async_block_till_done() await hass.async_block_till_done()
assert ssdp_listener.async_start.call_count == 1 assert ssdp_listener.async_start.call_count == 1
assert ssdp_listener.async_search.call_count == 4 assert ssdp_listener.async_search.call_count == 4
@ -785,7 +785,7 @@ async def test_ipv4_does_additional_search_for_sonos(
hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED) hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
await hass.async_block_till_done() await hass.async_block_till_done()
async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=200)) async_fire_time_changed(hass, dt_util.utcnow() + ssdp.SCAN_INTERVAL)
await hass.async_block_till_done() await hass.async_block_till_done()
assert ssdp_listener.async_search.call_count == 6 assert ssdp_listener.async_search.call_count == 6