mirror of
https://github.com/outbackdingo/firezone.git
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Currently, the logs that go to logcat on Android are pretty badly
formatted because we use `tracing-android` and it formats the span
fields and message fields itself. There is actually no reason for doing
the formatting ourselves. Instead, we can use the `MakeWriter`
abstraction from `tracing_subscriber` to plug in a custom writer that
writes to Android's logcat.
This results in logs like this:
```
[nix-shell:~/src/github.com/firezone/firezone/rust]$ adb logcat -s connlib
--------- beginning of main
06-28 19:41:20.057 19955 20213 D connlib : phoenix_channel: Connecting to portal host=api.firez.one user_agent=Android/14 5.15.137-android14-11-gbf4f9bc41c3b-ab11664771 connlib/1.1.1
06-28 19:41:20.058 19955 20213 I connlib : firezone_tunnel::client: Network change detected
06-28 19:41:20.061 19955 20213 D connlib : snownet::node: Closed all connections as part of reconnecting num_connections=0
06-28 19:41:20.365 19955 20213 I connlib : phoenix_channel: Connected to portal host=api.firez.one
06-28 19:41:20.601 19955 20213 I connlib : firezone_tunnel::io: Setting new DNS resolvers
06-28 19:41:21.031 19955 20213 D connlib : firezone_tunnel::client: TUN device initialized ip4=100.66.86.233 ip6=fd00:2021:1111::f:d9c1 name=tun1
06-28 19:41:21.031 19955 20213 I connlib : connlib_client_shared::eventloop: Firezone Started!
06-28 19:41:21.031 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.slackb.com
06-28 19:41:21.031 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.test-ipv6.com
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=5.4.6.7/32 name=5.4.6.7
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=10.0.32.101/32 name=IPerf3
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=ifconfig.net
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.slack-imgs.com
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.google.com
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=10.0.0.5/32 name=10.0.0.5
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.githubassets.com
06-28 19:41:21.032 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=dnsleaktest.com
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.slack-edge.com
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.github.com
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=speed.cloudflare.com
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.githubusercontent.com
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=10.0.14.11/32 name=Staging resource performance
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::dns: Activating DNS resource address=*.whatismyip.com
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=10.0.0.8/32 name=10.0.0.8
06-28 19:41:21.033 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=9.9.9.9/32 name=Quad9 DNS
06-28 19:41:21.034 19955 20213 I connlib : firezone_tunnel::client: Activating CIDR resource address=10.0.32.10/32 name=CoreDNS
06-28 19:41:21.216 19955 20213 I connlib : snownet::node: Added new TURN server id=bd6e9d1a-4696-4f8b-8337-aab5d5cea810 address=Dual { v4: 35.197.171.113:3478, v6: [2600:1900:40b0:1504:0:27::]:3478 }
```
---------
Signed-off-by: Thomas Eizinger <thomas@eizinger.io>