WIP: Use "D-Bus over TCP/IP over Ethernet over BLE" for communicating with the watch #216
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dodoradio
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May 3, 2024
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I believe the 14-bytes Ethernet frame can be shaved down to 1 byte for point-to-point (a pair of nibbles for source + destination MAC) |
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May 4, 2024
| import java.util.Objects | ||
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| class NotificationService(private val mCtx: Context, private val connectionProvider: IDBusConnectionProvider) : INotificationHandler, DBusSigHandler<NotificationClosed?> { | ||
| private val mapping: BiMap<String, UInt32> = HashBiMap.create() |
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mapping should probably be persisted in case the application is closed…
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Hi @FlorentRevest!
What a coincidence indeed…
(We came up with the same idea within the span of two weeks 😳)
Sooo this is my attempt at replacing ATT-based comms with something more streamlined (D-Bus). ✌️
The session bus is exported over TCP to the companion for seamless event transfer between the two devices.
A simplified version of asteroid-tap2ble forwards packets from a TAP interface over BLE. (since the link is relatively slow [26 kbps avg.], we should stick to lightweight protocols, so D-Bus-over-TCP, 9p, etc.; SSH is
sadlyway too bulky for this connection.)The packets should then be handled on the companion in an appropriate manner.
To achieve this on Android, I am using
libslirp, which allows me to create a virtual network adapter that translates Ethernet packets into unprivileged calls.To do
diodon the watch)ScreenshotService)MediaServiceNotificationService(also made it bi-directional 😉; now it's just missing action buttons 😶🌫️)ScreenshotServiceTimeService(could be scrapped in favor of NTP)WeatherService(could be scrapped in favor of the community daemon)