详细打印使用doh的报错

[giveup]

使用阿里的doh时，不定时出现如下报错

2024-06-12 00:35:08.757:DEBUG:smartdns::dns_mw_ns:96: query name: optimizationguide-pa.googleapis.com. type: A via [Group: oversea]
2024-06-12 00:35:08.757:DEBUG:smartdns::dns_client:705: query name: optimizationguide-pa.googleapis.com. type: A, Some(ClientSubnet { address: ip, source_prefix: 24, scope_prefix: 0 })
2024-06-12 00:35:08.757:DEBUG:smartdns::dns_client:705: query name: optimizationguide-pa.googleapis.com. type: A, Some(ClientSubnet { address: ip, source_prefix: 24, scope_prefix: 0 })
2024-06-12 00:35:08.757:DEBUG:smartdns::app:425: error resolving: proto error: resource too busy
2024-06-12 00:35:08.761:DEBUG:smartdns::server::udp:43: received udp request from: 127.0.0.1:47932
2024-06-12 00:35:08.761:DEBUG:smartdns::server::udp:43: received udp request from: 127.0.0.1:47956
2024-06-12 00:35:08.762:DEBUG:smartdns::app:391: request:58553 src:UDP://127.0.0.1#47956 type:QUERY dnssec:false QUERY:optimizationguide-pa.googleapis.com.:AAAA:IN qflags:RD
--

2024-06-12 00:43:56.784:DEBUG:smartdns::dns_mw_cache:190: Domain prefetch check(total: 717), elapsed 313.285µs
2024-06-12 00:43:56.784:DEBUG:smartdns::dns_mw_cache:330: Domain prefetch check will be performed in 19.478900986s.
2024-06-12 00:44:10.646:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.646:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.646:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain token.safebrowsing.apple. A, elapsed 20.559201743s
2024-06-12 00:44:10.646:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain mesu.g.aaplimg.com. AAAA, elapsed 20.560106876s
2024-06-12 00:44:10.646:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.647:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain iphone-ld.apple.com. AAAA, elapsed 19.597257425s
2024-06-12 00:44:10.647:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.647:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.647:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain cds.apple.com. AAAA, elapsed 20.584860283s
2024-06-12 00:44:10.647:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain safebrowsing.g.aaplimg.com. AAAA, elapsed 20.561020969s
2024-06-12 00:44:10.648:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.648:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain safebrowsing.g.aaplimg.com. A, elapsed 20.560941129s
2024-06-12 00:44:10.652:DEBUG:smartdns::app:425: error resolving: proto error: received a stream error: timeout
2024-06-12 00:44:10.652:DEBUG:smartdns::dns_mw_cache:125: Prefetch domain ipcdn.apple.com. AAAA, elapsed 20.589526032s
2024-06-12 00:44:16.265:DEBUG:smartdns::dns_mw_cache:190: Domain prefetch check(total: 717), elapsed 324.405µs
2024-06-12 00:44:16.265:DEBUG:smartdns::dns_mw_cache:330: Domain prefetch check will be performed in 1.138965142s.

2024-06-12 23:24:52.846:ERROR:smartdns::app:425: error resolving: proto error: no connections available
2024-06-12 23:24:52.846:ERROR:smartdns::app:425: error resolving: proto error: no connections available
2024-06-12 23:25:00.833:ERROR:smartdns::app:425: error resolving: proto error: no connections available
2024-06-12 23:25:00.833:ERROR:smartdns::app:425: error resolving: proto error: no connections available
2024-06-12 23:25:01.399:ERROR:smartdns::app:425: error resolving: proto error: receiver was canceled
2024-06-12 23:25:01.835:ERROR:smartdns::app:425: error resolving: proto error: no connections available
2024-06-12 23:25:01.836:ERROR:smartdns::app:425: error resolving: proto error: no connections available

2024-06-13 00:13:01.278:ERROR:smartdns::dns_mw_ns:91: no available nameserver found for gateway.fe2.apple-dns.net.
2024-06-13 00:13:01.278:ERROR:smartdns::app:425: error resolving: proto error: no connections available
2024-06-13 00:13:01.278:ERROR:smartdns::app:425: error resolving: proto error: no connections available

doq的日志

2024-06-13 00:27:28.564:ERROR:smartdns::app:425: error resolving: proto error: error with quic connection: timed out
2024-06-13 00:27:46.183:ERROR:smartdns::app:425: error resolving: proto error: error with quic connection: timed out
2024-06-13 00:27:46.184:ERROR:smartdns::app:425: error resolving: proto error: error with quic connection: timed out

这个问题在使用C版时也会出现（报错内容不一样）。疑似会触发阿里doh的某些风控规则。
如果报错时，打印doh请求时返回的内容会有助于进一步排查问题。