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"d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..b6d4cea --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,13 @@ +[package] +name = "bluez-monitor" +version = "1.0.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +futures = "0.3.26" +tokio = { version = "1", features = ["macros", "rt-multi-thread"] } +serde_json = "1.0" +serde = "1.0.152" +bluez-async = "0.7.1" \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..a432674 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2023 FieldofClay + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..987d848 --- /dev/null +++ b/README.md @@ -0,0 +1,47 @@ +# bluez-monitor +A simple Rust BlueZ D-Bus monitor that outputs events to stdout in JSON format. + +## Installation Instructions +### Depenencies +It requires D-Bus and the BlueZ daemon to be running. +### Arch Linux +Arch users can install from AUR using your favourite package manager. +``` + pikaur -S bluez-monitor +``` +### Building from source +``` +git clone https://github.com/FieldofClay/bluez-monitor.git +cd bluez-monitor +cargo build --release +``` + +## Usage +It requires no configuration, just run it. +``` +./bluez-monitor +``` +It will output any BlueZ events it sees to stdout in JSON format. All events will have an **event** field, and then depending on the type of event, a **device_info** or **adapter_info** field. For example a device connected: +```json +{"device_info":{"address_type":"random","class":"","connected":true,"icon":"input-mouse","mac_address":"12:34:56:78:90:AB","name":"M720 Triathlon","paired":true,"trusted":true},"event":"connected"} +``` +Device disconnected: +```json +{"device_info":{"address_type":"public","class":"0x00240404","connected":false,"icon":"audio-headset","mac_address":"12:34:56:78:90:AB","name":"MDR-1000X","paired":true,"trusted":true},"event":"disconnected"} +``` +Adapter turned off: +```json +{"adapter_info":{"address_type":"public","alias":"bt-adapter","discovering":false,"mac_address":"12:34:56:78:90:AB","name":"bt-adapter","powered":false},"event":"powered"} +``` +Its output can be piped to other programs, this example sends a notification when a device is connected/disconnected: +```bash +#!/bin/bash + +bluez-monitor | jq --unbuffered -r '.event, .device_info.name' | (while read -r event && read -r name; do + if [[ $event == "connected" ]]; then + notify-send "$name" "Connected" + elif [[ $event == "disconnected" ]]; then + notify-send "$name" "Disconnected" + fi +done) +``` \ No newline at end of file diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..42a2af5 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,103 @@ +use bluez_async::{BluetoothSession, BluetoothEvent, AdapterEvent, DeviceEvent, DeviceInfo, AdapterInfo}; +use futures::stream::StreamExt; +use serde::Serialize; +use serde_json::json; + +#[derive(Serialize)] +struct DevInfo { + pub mac_address: String, + pub address_type: String, + pub name: String, + pub paired: bool, + pub connected: bool, + pub class: String, + pub icon: String, + pub trusted: bool, +} + +#[derive(Serialize)] +struct AdapInfo { + pub mac_address: String, + pub address_type: String, + pub name: String, + pub alias: String, + pub powered: bool, + pub discovering: bool, +} + +fn handle_device_info(info: &DeviceInfo) -> DevInfo{ + DevInfo { + address_type: info.address_type.to_string(), + name: info.name.clone().unwrap_or_default(), + mac_address: info.mac_address.to_string(), + icon: info.icon.clone().unwrap_or_default(), + class: info.class.map(|c| format!("{:#010x}", c)).unwrap_or_default(), + paired: info.paired, + connected: info.connected, + trusted: info.trusted, + } +} + +fn handle_adapter_info(info: &AdapterInfo) -> AdapInfo{ + AdapInfo { + mac_address: info.mac_address.to_string(), + address_type: info.address_type.to_string(), + name: info.name.clone(), + alias: info.name.clone(), + powered: info.powered, + discovering: info.discovering } +} + +#[tokio::main] +async fn main() -> Result<(), Box> { + // Create a new BluetoothSession + let (_, session) = BluetoothSession::new().await?; + + // Get the event stream + let mut event_stream = session.event_stream().await?.fuse(); + + // Listen to the stream of events and process each event + while let Some(event) = event_stream.next().await { + match event { + BluetoothEvent::Adapter { id, event } => { + let adapter_info = session.get_adapter_info(&id).await?; + match event { + AdapterEvent::Discovering { discovering: _ } => { + let output = json!({ + "event": "discovering", + "adapter_info": handle_adapter_info(&adapter_info), + }); + + println!("{}", output.to_string()); + } + AdapterEvent::Powered { powered: _ } => { + let output = json!({ + "event": "powered", + "adapter_info": handle_adapter_info(&adapter_info), + }); + + println!("{}", output.to_string()); + } + _ => {} + } + } + BluetoothEvent::Device { id, event } => { + let device_info = session.get_device_info(&id).await?; + match event { + DeviceEvent::Connected { connected } => { + let output = json!({ + "event": if connected { "connected" } else { "disconnected" }, + "device_info": handle_device_info(&device_info), + }); + + println!("{}", output.to_string()); + } + _ => {} + } + } + _=> {} + } + } + + Ok(()) +}