Zeroconf

recvfrom 4 times

267 recvfrom(7, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("192.168.210.102")}, [16]) = 71
267 recvfrom(7, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("172.30.32.1")}, [16]) = 71
267 recvfrom(8, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("192.168.210.102")}, [16]) = 71
267 recvfrom(8, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("172.30.32.1")}, [16]) = 71

sendto 8 times

267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335
267 sendto(8, "\0\0\204\0\0\0\0\1\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300K\0\1\200\1\0\0\0x\0\4\300\250\325\232", 335, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 335

After

recvfrom 4 times (no change):

267 recvfrom(7, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("192.168.210.102")}, [16]) = 71
267 recvfrom(9, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("192.168.210.102")}, [16]) = 71
267 recvfrom(7, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("172.30.32.1")}, [16]) = 71
267 recvfrom(9, "\0\0\204\0\0\0\0\1\0\0\0\0\v_esphomelib\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\31\26masterbed_tvcabinet_32\300\f", 8966, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("172.30.32.1")}, [16]) = 71

sendto 2 times (reduced by 4x):

267 sendto(9, "\0\0\204\0\0\0\0\2\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\t_services\7_dns-sd\4_udp\300!\0\f\0\1\0\0\21\224\0\2\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300p\0\1\200\1\0\0\0x\0\4\300\250\325\232", 372, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 372
267 sendto(9, "\0\0\204\0\0\0\0\2\0\0\0\3\17_home-assistant\4_tcp\5local\0\0\f\0\1\0\0\21\224\0\7\4Home\300\f\t_services\7_dns-sd\4_udp\300!\0\f\0\1\0\0\21\224\0\2\300\f\3002\0!\200\1\0\0\0x\0)\0\0\0\0\37\273 66309dfc726446799c8a2c0f1cb0480f\300!\3002\0\20\200\1\0\0\21\224\0\305\22location_name=Home%uuid=66309dfc726446799c8a2c0f1cb0480f\24version=0.116.0.dev0\rexternal_url=(internal_url=http://192.168.213.154:8123$base_url=http://192.168.213.154:8123\32requires_api_password=True\300p\0\1\200\1\0\0\0x\0\4\300\250\325\232", 372, 0, {sa_family=AF_INET, sin_port=htons(5353), sin_addr=inet_addr("224.0.0.251")}, 16) = 372

With debug logging on for ~5 minutes

bash-5.0 grep 'Received from' home-assistant.log |wc
11458 499196 19706165
bash-5.0 grep 'Ignoring' home-assistant.log |wc
9357 210562 9299687 ([`f321932`](https://github.com/python-zeroconf/python-zeroconf/commit/f3219326e65f4410d45ace05f88082354a2f7525))

* Test with the development version of Python 3.9 (300)

There've been reports of test failures on Python 3.9, let's verify this.
Allowing failures for now until it goes stable. ([`1f81e0b`](https://github.com/python-zeroconf/python-zeroconf/commit/1f81e0bcad1cae735ba532758d167368925c8ede))

>>> ts = Timer("str(s, 'utf-8', 'replace')", "s = b'TV Beneden (2)\x10_androidtvremote\x04_tcp\x05local'")
>>> ts.timeit()

([`4b9a6c3`](https://github.com/python-zeroconf/python-zeroconf/commit/4b9a6c3fd4aec920597e7e63e82e935df68804f4))

* Fix typo in changelog (1017) ([`0fdcd51`](https://github.com/python-zeroconf/python-zeroconf/commit/0fdcd5146264b37daa7cc35bda883519175e362f))

Bug Fixes

* fix: update python-semantic-release to fix release process (1426) ([`2f20155`](https://github.com/python-zeroconf/python-zeroconf/commit/2f201558d0ab089cdfebb18d2d7bb5785b2cce16))

* fix: add ignore for .c file for wheels (1424) ([`6535963`](https://github.com/python-zeroconf/python-zeroconf/commit/6535963b5b789ce445e77bb728a5b7ee4263e582))

* fix: correct typos (1422) ([`3991b42`](https://github.com/python-zeroconf/python-zeroconf/commit/3991b4256b8de5b37db7a6144e5112f711b2efef))

Features

* feat: use SPDX license identifier (1425) ([`1596145`](https://github.com/python-zeroconf/python-zeroconf/commit/1596145452721e0de4e2a724b055e8e290792d3e))

Features

* feat: improve performance of DNSCache backend (1415) ([`1df2e69`](https://github.com/python-zeroconf/python-zeroconf/commit/1df2e691ff11c9592e1cdad5599fb6601eb1aa3f))