Merge pull request #156 from cocool97/mdns-feature

feat(mdns): add feature flag + example

.github/workflows/rust-quality.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
       - run: rustup component add clippy
       - name: Run clippy
-        run: cargo clippy --all-features
+        run: cargo clippy --all-features -- -Dwarnings
 
   fmt:
     name: "fmt"

.github/workflows/rust-release.yml

@@ -36,10 +36,10 @@ jobs:
           CRATES_IO_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
 
       - name: Build release
-        run: cargo build --all-features --release
+        run: cargo build -p adb_cli --release
 
       - name: Rename binary
-        run: mv target/release/adb_cli target/release/adb_cli-linux
+        run: cp target/release/adb_cli target/release/adb_cli-linux
 
       - name: Build DEB package
         run: cargo deb -p adb_cli
@@ -69,10 +69,10 @@ jobs:
           override: true
 
       - name: Build release
-        run: cargo build --all-features --release
+        run: cargo build -p adb_cli --release
 
       - name: Rename binary
-        run: mv target/release/adb_cli target/release/adb_cli-macos
+        run: cp target/release/adb_cli target/release/adb_cli-macos
 
       - name: Upload macOS binary
         uses: softprops/action-gh-release@v2
@@ -98,7 +98,7 @@ jobs:
           python-version: "3.10"
 
       - name: Build release
-        run: cargo build --all-features --release
+        run: cargo build -p adb_cli --release
 
       - name: Rename binary
         run: Rename-Item -Path target/release/adb_cli.exe -NewName adb_cli-windows.exe

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["adb_cli", "adb_client", "pyadb_client"]
+members = ["adb_cli", "adb_client", "pyadb_client", "examples/mdns"]
 resolver = "2"
 
 [workspace.package]
@@ -9,8 +9,8 @@ homepage = "https://github.com/cocool97/adb_client"
 keywords = ["adb", "android", "tcp", "usb"]
 license = "MIT"
 repository = "https://github.com/cocool97/adb_client"
-version = "2.1.18"
-rust-version = "1.85.1"
+version = "2.1.19"
+rust-version = "1.91.0"
 
 # To build locally when working on a new release
 [patch.crates-io]

README.md

@@ -42,6 +42,12 @@ Rust library implementing both ADB protocols (server and end-devices) and provid
 
 Improved documentation available [here](./adb_client/README.md).
 
+## examples
+
+Some examples showing of to use this library are available in the `examples` directory:
+
+- `examples/mdns`: mDNS device discovery
+
 ## adb_cli
 
 Rust binary providing an improved version of Google's official `adb` CLI, by using `adb_client` library.

adb_cli/Cargo.toml

@@ -11,11 +11,10 @@ rust-version.workspace = true
 version.workspace = true
 
 [dependencies]
-adb_client = { version = "^2.1.17" }
-anyhow = { version = "1.0.100" }
-clap = { version = "4.5.51", features = ["derive"] }
+adb_client = { version = "^2.1.19", features = ["mdns"] }
+clap = { version = "4.5.53", features = ["derive"] }
 env_logger = { version = "0.11.8" }
-log = { version = "0.4.28" }
+log = { version = "0.4.29" }
 
 [target.'cfg(unix)'.dependencies]
 termios = { version = "0.3.3" }

adb_cli/README.md

@@ -1,4 +1,4 @@
-# adb_cli
+# `adb_cli`
 
 [![MIT licensed](https://img.shields.io/crates/l/adb_cli.svg)](./LICENSE-MIT)
 ![Crates.io Total Downloads](https://img.shields.io/crates/d/adb_cli)

adb_cli/src/adb_termios.rs

@@ -4,7 +4,7 @@ use std::os::unix::prelude::{AsRawFd, RawFd};
 
 use termios::{TCSANOW, Termios, VMIN, VTIME, tcsetattr};
 
-use crate::Result;
+use crate::models::{ADBCliError, ADBCliResult};
 
 pub struct ADBTermios {
     fd: RawFd,
@@ -13,7 +13,7 @@ pub struct ADBTermios {
 }
 
 impl ADBTermios {
-    pub fn new(fd: &impl AsRawFd) -> Result<Self> {
+    pub fn new(fd: &impl AsRawFd) -> Result<Self, ADBCliError> {
         let mut new_termios = Termios::from_fd(fd.as_raw_fd())?;
         let old_termios = new_termios; // Saves previous state
         new_termios.c_lflag = 0;
@@ -27,7 +27,7 @@ impl ADBTermios {
         })
     }
 
-    pub fn set_adb_termios(&mut self) -> Result<()> {
+    pub fn set_adb_termios(&mut self) -> ADBCliResult<()> {
         Ok(tcsetattr(self.fd, TCSANOW, &self.new_termios)?)
     }
 }

adb_cli/src/handlers/emulator_commands.rs

@@ -1,8 +1,8 @@
 use adb_client::ADBEmulatorDevice;
 
-use crate::models::{EmuCommand, EmulatorCommand};
+use crate::models::{ADBCliResult, EmuCommand, EmulatorCommand};
 
-pub fn handle_emulator_commands(emulator_command: EmulatorCommand) -> anyhow::Result<()> {
+pub fn handle_emulator_commands(emulator_command: EmulatorCommand) -> ADBCliResult<()> {
     let mut emulator = ADBEmulatorDevice::new(emulator_command.serial, None)?;
 
     match emulator_command.command {

adb_cli/src/handlers/local_commands.rs

@@ -1,14 +1,13 @@
 use std::{fs::File, io::Write};
 
-use adb_client::ADBServerDevice;
-use anyhow::{Result, anyhow};
-
+use crate::ADBCliResult;
 use crate::models::LocalDeviceCommand;
+use adb_client::ADBServerDevice;
 
 pub fn handle_local_commands(
     mut device: ADBServerDevice,
     local_device_commands: LocalDeviceCommand,
-) -> Result<()> {
+) -> ADBCliResult<()> {
     match local_device_commands {
         LocalDeviceCommand::HostFeatures => {
             let features = device
@@ -16,12 +15,11 @@ pub fn handle_local_commands(
                 .iter()
                 .map(ToString::to_string)
                 .reduce(|a, b| format!("{a},{b}"))
-                .ok_or(anyhow!("cannot list features"))?;
+                .unwrap_or_default();
             log::info!("Available host features: {features}");
 
             Ok(())
         }
-        LocalDeviceCommand::List { path } => Ok(device.list(path)?),
         LocalDeviceCommand::Logcat { path } => {
             let writer: Box<dyn Write> = if let Some(path) = path {
                 let f = File::create(path)?;

adb_cli/src/main.rs

@@ -8,13 +8,13 @@ mod models;
 mod utils;
 
 use adb_client::{
-    ADBDeviceExt, ADBServer, ADBServerDevice, ADBTcpDevice, ADBUSBDevice, MDNSDiscoveryService,
+    ADBDeviceExt, ADBListItemType, ADBServer, ADBServerDevice, ADBTcpDevice, ADBUSBDevice,
+    mdns::MDNSDiscoveryService,
 };
 
 #[cfg(any(target_os = "linux", target_os = "macos"))]
 use adb_termios::ADBTermios;
 
-use anyhow::Result;
 use clap::Parser;
 use handlers::{handle_emulator_commands, handle_host_commands, handle_local_commands};
 use models::{DeviceCommands, LocalCommand, MainCommand, Opts};
@@ -22,89 +22,13 @@ use std::collections::HashMap;
 use std::fs::File;
 use std::io::Write;
 use std::path::Path;
+use std::process::ExitCode;
 use utils::setup_logger;
 
-fn main() -> Result<()> {
-    // This depends on `clap`
-    let opts = Opts::parse();
+use crate::models::{ADBCliError, ADBCliResult};
 
-    // SAFETY:
-    // We are assuming the entire process is single-threaded
-    // at this point.
-    // This seems true for the current version of `clap`,
-    // but there's no guarantee for future updates
-    unsafe { setup_logger(opts.debug) };
-
-    // Directly handling methods / commands that aren't linked to [`ADBDeviceExt`] trait.
-    // Other methods just have to create a concrete [`ADBDeviceExt`] instance, and return it.
-    // This instance will then be used to execute desired command.
-    let (mut device, commands) = match opts.command {
-        MainCommand::Host(server_command) => return Ok(handle_host_commands(server_command)?),
-        MainCommand::Emu(emulator_command) => return handle_emulator_commands(emulator_command),
-        MainCommand::Local(server_command) => {
-            // Must start server to communicate with device, but only if this is a local one.
-            let server_address_ip = server_command.address.ip();
-            if server_address_ip.is_loopback() || server_address_ip.is_unspecified() {
-                ADBServer::start(&HashMap::default(), &None);
-            }
-
-            let device = match server_command.serial {
-                Some(serial) => ADBServerDevice::new(serial, Some(server_command.address)),
-                None => ADBServerDevice::autodetect(Some(server_command.address)),
-            };
-
-            match server_command.command {
-                LocalCommand::DeviceCommands(device_commands) => (device.boxed(), device_commands),
-                LocalCommand::LocalDeviceCommand(local_device_command) => {
-                    return handle_local_commands(device, local_device_command);
-                }
-            }
-        }
-        MainCommand::Usb(usb_command) => {
-            let device = match (usb_command.vendor_id, usb_command.product_id) {
-                (Some(vid), Some(pid)) => match usb_command.path_to_private_key {
-                    Some(pk) => ADBUSBDevice::new_with_custom_private_key(vid, pid, pk)?,
-                    None => ADBUSBDevice::new(vid, pid)?,
-                },
-                (None, None) => match usb_command.path_to_private_key {
-                    Some(pk) => ADBUSBDevice::autodetect_with_custom_private_key(pk)?,
-                    None => ADBUSBDevice::autodetect()?,
-                },
-                _ => {
-                    anyhow::bail!(
-                        "please either supply values for both the --vendor-id and --product-id flags or none."
-                    );
-                }
-            };
-            (device.boxed(), usb_command.commands)
-        }
-        MainCommand::Tcp(tcp_command) => {
-            let device = match tcp_command.path_to_private_key {
-                Some(pk) => ADBTcpDevice::new_with_custom_private_key(tcp_command.address, pk)?,
-                None => ADBTcpDevice::new(tcp_command.address)?,
-            };
-            (device.boxed(), tcp_command.commands)
-        }
-        MainCommand::Mdns => {
-            let mut service = MDNSDiscoveryService::new()?;
-
-            let (tx, rx) = std::sync::mpsc::channel();
-            service.start(tx)?;
-
-            log::info!("Starting mdns discovery...");
-            while let Ok(device) = rx.recv() {
-                log::info!(
-                    "Found device {} with addresses {:?}",
-                    device.fullname,
-                    device.addresses
-                );
-            }
-
-            return Ok(service.shutdown()?);
-        }
-    };
-
-    match commands {
+fn run_command(mut device: Box<dyn ADBDeviceExt>, command: DeviceCommands) -> ADBCliResult<()> {
+    match command {
         DeviceCommands::Shell { commands } => {
             if commands.is_empty() {
                 // Need to duplicate some code here as ADBTermios [Drop] implementation resets terminal state.
@@ -162,7 +86,116 @@ fn main() -> Result<()> {
             device.framebuffer(&path)?;
             log::info!("Successfully dumped framebuffer at path {path}");
         }
+        DeviceCommands::List { path } => {
+            let dirs = device.list(&path)?;
+            for dir in dirs {
+                let list_item_type = match dir.item_type {
+                    ADBListItemType::File => "File".to_string(),
+                    ADBListItemType::Directory => "Directory".to_string(),
+                    ADBListItemType::Symlink => "Symlink".to_string(),
+                };
+                log::info!(
+                    "type: {}, name: {}, time: {}, size: {}, permissions: {:#o}",
+                    list_item_type,
+                    dir.name,
+                    dir.time,
+                    dir.size,
+                    dir.permissions
+                );
+            }
+        }
     }
 
     Ok(())
 }
+
+fn main() -> ExitCode {
+    if let Err(err) = inner_main() {
+        log::error!("{err}");
+        return ExitCode::FAILURE;
+    }
+
+    ExitCode::SUCCESS
+}
+
+fn inner_main() -> ADBCliResult<()> {
+    // This depends on `clap`
+    let opts = Opts::parse();
+
+    setup_logger(opts.debug);
+
+    // Directly handling methods / commands that aren't linked to [`ADBDeviceExt`] trait.
+    // Other methods just have to create a concrete [`ADBDeviceExt`] instance, and return it.
+    // This instance will then be used to execute desired command.
+    let (device, commands) = match opts.command {
+        MainCommand::Host(server_command) => return Ok(handle_host_commands(server_command)?),
+        MainCommand::Emu(emulator_command) => return handle_emulator_commands(emulator_command),
+        MainCommand::Local(server_command) => {
+            // Must start server to communicate with device, but only if this is a local one.
+            let server_address_ip = server_command.address.ip();
+            if server_address_ip.is_loopback() || server_address_ip.is_unspecified() {
+                ADBServer::start(&HashMap::default(), &None);
+            }
+
+            let device = match server_command.serial {
+                Some(serial) => ADBServerDevice::new(serial, Some(server_command.address)),
+                None => ADBServerDevice::autodetect(Some(server_command.address)),
+            };
+
+            match server_command.command {
+                LocalCommand::DeviceCommands(device_commands) => (device.boxed(), device_commands),
+                LocalCommand::LocalDeviceCommand(local_device_command) => {
+                    return handle_local_commands(device, local_device_command);
+                }
+            }
+        }
+        MainCommand::Usb(usb_command) => {
+            let device = match (usb_command.vendor_id, usb_command.product_id) {
+                (Some(vid), Some(pid)) => match usb_command.path_to_private_key {
+                    Some(pk) => ADBUSBDevice::new_with_custom_private_key(vid, pid, pk)?,
+                    None => ADBUSBDevice::new(vid, pid)?,
+                },
+                (None, None) => match usb_command.path_to_private_key {
+                    Some(pk) => ADBUSBDevice::autodetect_with_custom_private_key(pk)?,
+                    None => ADBUSBDevice::autodetect()?,
+                },
+                _ => {
+                    return Err(ADBCliError::Standard(
+                        "cannot specify flags --vendor-id without --product-id or vice versa"
+                            .into(),
+                    ));
+                }
+            };
+            (device.boxed(), usb_command.commands)
+        }
+        MainCommand::Tcp(tcp_command) => {
+            let device = match tcp_command.path_to_private_key {
+                Some(pk) => ADBTcpDevice::new_with_custom_private_key(tcp_command.address, pk)?,
+                None => ADBTcpDevice::new(tcp_command.address)?,
+            };
+            (device.boxed(), tcp_command.commands)
+        }
+        MainCommand::Mdns => {
+            let mut service = MDNSDiscoveryService::new()?;
+
+            let (tx, rx) = std::sync::mpsc::channel();
+            service.start(tx)?;
+
+            log::info!("Starting mdns discovery...");
+            while let Ok(device) = rx.recv() {
+                log::info!(
+                    "Found device fullname='{}' with ipv4 addresses={:?} and ipv6 addresses={:?}",
+                    device.fullname,
+                    device.ipv4_addresses(),
+                    device.ipv6_addresses()
+                );
+            }
+
+            return Ok(service.shutdown()?);
+        }
+    };
+
+    run_command(device, commands)?;
+
+    Ok(())
+}

adb_cli/src/models/adb_cli_error.rs

@@ -0,0 +1,84 @@
+use std::fmt::Display;
+
+use adb_client::RustADBError;
+
+pub type ADBCliResult<T> = Result<T, ADBCliError>;
+
+pub enum ADBCliError {
+    Standard(Box<dyn std::error::Error>),
+    MayNeedAnIssue(Box<dyn std::error::Error>),
+}
+
+impl Display for ADBCliError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ADBCliError::Standard(error) => write!(f, "{error}"),
+            ADBCliError::MayNeedAnIssue(error) => {
+                write!(
+                    f,
+                    r"Error: {error}
+                    An unexpected error occurred and may indicate a bug.
+                    Please report this issue on the project repository (including steps to reproduce if possible): https://github.com/cocool97/adb_client/issues.",
+                )
+            }
+        }
+    }
+}
+
+impl From<std::io::Error> for ADBCliError {
+    fn from(value: std::io::Error) -> Self {
+        // We do not consider adb_cli related `std::io::error` as critical
+        Self::Standard(Box::new(value))
+    }
+}
+
+impl From<adb_client::RustADBError> for ADBCliError {
+    fn from(value: adb_client::RustADBError) -> Self {
+        let value = Box::new(value);
+
+        match value.as_ref() {
+            // List of [`RustADBError`] that may need an issue as abnormal
+            RustADBError::RegexParsingError
+            | RustADBError::WrongResponseReceived(_, _)
+            | RustADBError::FramebufferImageError(_)
+            | RustADBError::FramebufferConversionError
+            | RustADBError::UnimplementedFramebufferImageVersion(_)
+            | RustADBError::IOError(_)
+            | RustADBError::ADBRequestFailed(_)
+            | RustADBError::UnknownDeviceState(_)
+            | RustADBError::Utf8StrError(_)
+            | RustADBError::Utf8StringError(_)
+            | RustADBError::RegexError(_)
+            | RustADBError::ParseIntError(_)
+            | RustADBError::ConversionError
+            | RustADBError::IntegerConversionError(_)
+            | RustADBError::HomeError
+            | RustADBError::NoHomeDirectory
+            | RustADBError::UsbError(_)
+            | RustADBError::InvalidIntegrity(_, _)
+            | RustADBError::Base64DecodeError(_)
+            | RustADBError::Base64EncodeError(_)
+            | RustADBError::RSAError(_)
+            | RustADBError::TryFromSliceError(_)
+            | RustADBError::RsaPkcs8Error(_)
+            | RustADBError::CertificateGenerationError(_)
+            | RustADBError::TLSError(_)
+            | RustADBError::PemCertError(_)
+            | RustADBError::PoisonError
+            | RustADBError::UpgradeError(_)
+            | RustADBError::MDNSError(_)
+            | RustADBError::SendError
+            | RustADBError::UnknownFileMode(_)
+            | RustADBError::UnknownTransport(_) => Self::MayNeedAnIssue(value),
+            // List of [`RustADBError`] that may occur in standard contexts and therefore do not require for issues
+            RustADBError::ADBDeviceNotPaired
+            | RustADBError::UnknownResponseType(_)
+            | RustADBError::DeviceNotFound(_)
+            | RustADBError::USBNoDescriptorFound
+            | RustADBError::ADBShellNotSupported
+            | RustADBError::USBDeviceNotFound(_, _)
+            | RustADBError::WrongFileExtension(_)
+            | RustADBError::AddrParseError(_) => Self::Standard(value),
+        }
+    }
+}

adb_cli/src/models/device.rs

@@ -43,4 +43,9 @@ pub enum DeviceCommands {
         /// Framebuffer image destination path
         path: String,
     },
+    /// List files on device
+    List {
+        /// Path to list files from
+        path: String,
+    },
 }

adb_cli/src/models/host.rs

@@ -1,4 +1,4 @@
-use std::net::SocketAddrV4;
+use std::{net::SocketAddrV4, str::FromStr};
 
 use adb_client::{RustADBError, WaitForDeviceTransport};
 use clap::Parser;
@@ -6,7 +6,7 @@ use clap::Parser;
 fn parse_wait_for_device_device_transport(
     value: &str,
 ) -> Result<WaitForDeviceTransport, RustADBError> {
-    WaitForDeviceTransport::try_from(value)
+    WaitForDeviceTransport::from_str(value)
 }
 
 #[derive(Parser, Debug)]

adb_cli/src/models/local.rs

@@ -14,8 +14,6 @@ pub enum LocalCommand {
 pub enum LocalDeviceCommand {
     /// List available server features.
     HostFeatures,
-    /// List a directory on device
-    List { path: String },
     /// Get logs of device
     Logcat {
         /// Path to output file (created if not exists)

adb_cli/src/models/mod.rs

@@ -1,3 +1,4 @@
+mod adb_cli_error;
 mod device;
 mod emu;
 mod host;
@@ -7,6 +8,7 @@ mod reboot_type;
 mod tcp;
 mod usb;
 
+pub use adb_cli_error::{ADBCliError, ADBCliResult};
 pub use device::DeviceCommands;
 pub use emu::{EmuCommand, EmulatorCommand};
 pub use host::{HostCommand, MdnsCommand};

adb_cli/src/utils.rs

@@ -1,14 +1,9 @@
-/// # Safety
-///
-/// This conditionally mutates the process' environment.
-/// See [`std::env::set_var`] for more info.
-pub unsafe fn setup_logger(debug: bool) {
-    // RUST_LOG variable has more priority then "--debug" flag
-    if std::env::var("RUST_LOG").is_err() {
-        let level = if debug { "trace" } else { "info" };
+use env_logger::{Builder, Env};
 
-        unsafe { std::env::set_var("RUST_LOG", level) };
-    }
-
-    env_logger::init();
+/// Sets up appropriate logger level:
+/// - if `RUST_LOG` environment variable is set, use its value
+/// - else, use `debug` CLI option
+pub fn setup_logger(debug: bool) {
+    Builder::from_env(Env::default().default_filter_or(if debug { "debug" } else { "info" }))
+        .init();
 }

adb_client/Cargo.toml

@@ -10,31 +10,43 @@ repository.workspace = true
 rust-version.workspace = true
 version.workspace = true
 
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[features]
+default = []
+mdns = ["dep:mdns-sd"]
+
 [dependencies]
 base64 = { version = "0.22.1" }
 bincode = { version = "2.0.1", features = ["serde"] }
 byteorder = { version = "1.5.0" }
 chrono = { version = "0.4.42", default-features = false, features = ["std"] }
-image = { version = "0.25.8", default-features = false }
-log = { version = "0.4.28" }
-mdns-sd = { version = "0.17.0", default-features = false, features = [
-    "logging",
-] }
-num-bigint = { version = "0.8.5", package = "num-bigint-dig" }
+image = { version = "0.25.9", default-features = false, features = ["png"] }
+log = { version = "0.4.29" }
+num-bigint = { version = "0.8.6", package = "num-bigint-dig" }
 num-traits = { version = "0.2.19" }
 quick-protobuf = { version = "0.8.1" }
 rand = { version = "0.9.2" }
-rcgen = { version = "0.14.5" }
+rcgen = { version = "0.14.6" }
 regex = { version = "1.12.2", features = ["perf", "std", "unicode"] }
-rsa = { version = "0.9.8" }
+rsa = { version = "0.9.9" }
 rusb = { version = "0.9.4", features = ["vendored"] }
 rustls = { version = "0.23.35" }
-rustls-pki-types = { version = "1.13.0" }
+rustls-pki-types = { version = "1.13.2" }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_repr = { version = "0.1.20" }
 sha1 = { version = "0.10.6", features = ["oid"] }
 thiserror = { version = "2.0.17" }
 
+#########
+# `mdns` feature-specific dependencies
+mdns-sd = { version = "0.17.1", default-features = false, features = [
+    "logging",
+], optional = true }
+#########
+
 [dev-dependencies]
 anyhow = { version = "1.0.100" }
 criterion = { version = "0.7.0" } # Used for benchmarks

adb_client/README.md

@@ -1,4 +1,4 @@
-# adb_client
+# `adb_client`
 
 [![MIT licensed](https://img.shields.io/crates/l/adb_client.svg)](./LICENSE-MIT)
 [![Documentation](https://docs.rs/adb_client/badge.svg)](https://docs.rs/adb_client)
@@ -16,6 +16,19 @@ Add `adb_client` crate as a dependency by simply adding it to your `Cargo.toml`:
 adb_client = "*"
 ```
 
+## Crate features
+
+| Feature |                   Description                   | Default? |
+| :-----: | :---------------------------------------------: | :------: |
+| `mdns`  | Enables mDNS device discovery on local network. |    No    |
+
+To deactivate some default features you can use the `default-features = false` option in your `Cargo.toml` file and manually specify the features you want to activate:
+
+```toml
+[dependencies]
+adb_client = { version = "*", default-features = false, features = ["mdns"] }
+```
+
 ## Benchmarks
 
 Benchmarks run on `v2.0.6`, on a **Samsung S10 SM-G973F** device and an **Intel i7-1265U** CPU laptop
@@ -24,11 +37,11 @@ Benchmarks run on `v2.0.6`, on a **Samsung S10 SM-G973F** device and an **Intel
 
 `ADBServerDevice` performs all operations by using adb server as a bridge.
 
-|File size|Sample size|`ADBServerDevice`|`adb`|Difference|
-|:-------:|:---------:|:----------:|:---:|:-----:|
-|10 MB|100|350,79 ms|356,30 ms|<div style="color:green">-1,57 %</div>|
-|500 MB|50|15,60 s|15,64 s|<div style="color:green">-0,25 %</div>|
-|1 GB|20|31,09 s|31,12 s|<div style="color:green">-0,10 %</div>|
+| File size | Sample size | `ADBServerDevice` |   `adb`   |               Difference               |
+| :-------: | :---------: | :---------------: | :-------: | :------------------------------------: |
+|   10 MB   |     100     |     350,79 ms     | 356,30 ms | <div style="color:green">-1,57 %</div> |
+|  500 MB   |     50      |      15,60 s      |  15,64 s  | <div style="color:green">-0,25 %</div> |
+|   1 GB    |     20      |      31,09 s      |  31,12 s  | <div style="color:green">-0,10 %</div> |
 
 ## Examples
 

adb_client/src/adb_device_ext.rs

@@ -4,7 +4,7 @@ use std::path::Path;
 use image::{ImageBuffer, ImageFormat, Rgba};
 
 use crate::models::AdbStatResponse;
-use crate::{RebootType, Result};
+use crate::{ADBListItem, RebootType, Result};
 
 /// Trait representing all features available on both [`crate::ADBServerDevice`] and [`crate::ADBUSBDevice`]
 pub trait ADBDeviceExt {
@@ -24,6 +24,9 @@ pub trait ADBDeviceExt {
     /// Push `stream` to `path` on the device.
     fn push(&mut self, stream: &mut dyn Read, path: &dyn AsRef<str>) -> Result<()>;
 
+    /// List the items in a directory on the device
+    fn list(&mut self, path: &dyn AsRef<str>) -> Result<Vec<ADBListItem>>;
+
     /// Reboot the device using given reboot type
     fn reboot(&mut self, reboot_type: RebootType) -> Result<()>;
 
@@ -47,7 +50,9 @@ pub trait ADBDeviceExt {
     /// Inner method requesting framebuffer from an Android device
     fn framebuffer_inner(&mut self) -> Result<ImageBuffer<Rgba<u8>, Vec<u8>>>;
 
-    /// Dump framebuffer of this device into given path
+    /// Dump framebuffer of this device into given path.
+    ///
+    /// Output data format is currently only `PNG`.
     fn framebuffer(&mut self, path: &dyn AsRef<Path>) -> Result<()> {
         // Big help from AOSP source code (<https://android.googlesource.com/platform/system/adb/+/refs/heads/main/framebuffer_service.cpp>)
         let img = self.framebuffer_inner()?;

adb_client/src/device/adb_message_device.rs

@@ -1,5 +1,6 @@
 use super::{ADBRsaKey, ADBTransportMessage, MessageCommand, models::MessageSubcommand};
 use crate::device::adb_transport_message::{AUTH_RSAPUBLICKEY, AUTH_SIGNATURE, AUTH_TOKEN};
+use crate::device::models::ADBSession;
 use crate::{ADBMessageTransport, AdbStatResponse, Result, RustADBError, constants::BUFFER_SIZE};
 use bincode::config::{Configuration, Fixint, LittleEndian, NoLimit};
 use byteorder::ReadBytesExt;
@@ -27,18 +28,12 @@ pub(crate) fn bincode_deserialize_from_slice<D: DeserializeOwned>(data: &[u8]) -
 #[derive(Debug)]
 pub struct ADBMessageDevice<T: ADBMessageTransport> {
     transport: T,
-    local_id: Option<u32>,
-    remote_id: Option<u32>,
 }
 
 impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     /// Instantiate a new [`ADBMessageTransport`]
     pub fn new(transport: T) -> Self {
-        Self {
-            transport,
-            local_id: None,
-            remote_id: None,
-        }
+        Self { transport }
     }
 
     pub(crate) fn get_transport(&mut self) -> &T {
@@ -110,12 +105,15 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     }
 
     /// Receive a message and acknowledge it by replying with an `OKAY` command
-    pub(crate) fn recv_and_reply_okay(&mut self) -> Result<ADBTransportMessage> {
+    pub(crate) fn recv_and_reply_okay(
+        &mut self,
+        session: ADBSession,
+    ) -> Result<ADBTransportMessage> {
         let message = self.transport.read_message()?;
         self.transport.write_message(ADBTransportMessage::new(
             MessageCommand::Okay,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             &[],
         ))?;
         Ok(message)
@@ -136,11 +134,12 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
     pub(crate) fn recv_file<W: std::io::Write>(
         &mut self,
+        session: ADBSession,
         mut output: W,
     ) -> std::result::Result<(), RustADBError> {
         let mut len: Option<u64> = None;
         loop {
-            let payload = self.recv_and_reply_okay()?.into_payload();
+            let payload = self.recv_and_reply_okay(session)?.into_payload();
             let mut rdr = Cursor::new(&payload);
             while rdr.position() != payload.len() as u64 {
                 match len.take() {
@@ -173,8 +172,7 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
     pub(crate) fn push_file<R: std::io::Read>(
         &mut self,
-        local_id: u32,
-        remote_id: u32,
+        session: ADBSession,
         mut reader: R,
     ) -> std::result::Result<(), RustADBError> {
         let mut buffer = vec![0; BUFFER_SIZE].into_boxed_slice();
@@ -186,8 +184,8 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
         let message = ADBTransportMessage::new(
             MessageCommand::Write,
-            local_id,
-            remote_id,
+            session.local_id(),
+            session.remote_id(),
             &serialized_message,
         );
 
@@ -204,8 +202,8 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
                     let serialized_message = bincode_serialize_to_vec(&subcommand_data)?;
                     let message = ADBTransportMessage::new(
                         MessageCommand::Write,
-                        local_id,
-                        remote_id,
+                        session.local_id(),
+                        session.remote_id(),
                         &serialized_message,
                     );
 
@@ -230,8 +228,8 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
                     let message = ADBTransportMessage::new(
                         MessageCommand::Write,
-                        local_id,
-                        remote_id,
+                        session.local_id(),
+                        session.remote_id(),
                         &serialized_message,
                     );
 
@@ -244,24 +242,27 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
         }
     }
 
-    pub(crate) fn begin_synchronization(&mut self) -> Result<()> {
-        self.open_session(b"sync:\0")?;
-        Ok(())
+    pub(crate) fn begin_synchronization(&mut self) -> Result<ADBSession> {
+        self.open_session(b"sync:\0")
     }
 
-    pub(crate) fn stat_with_explicit_ids(&mut self, remote_path: &str) -> Result<AdbStatResponse> {
+    pub(crate) fn stat_with_explicit_ids(
+        &mut self,
+        session: ADBSession,
+        remote_path: &str,
+    ) -> Result<AdbStatResponse> {
         let stat_buffer = MessageSubcommand::Stat.with_arg(u32::try_from(remote_path.len())?);
         let message = ADBTransportMessage::new(
             MessageCommand::Write,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             &bincode_serialize_to_vec(&stat_buffer)?,
         );
         self.send_and_expect_okay(message)?;
         self.send_and_expect_okay(ADBTransportMessage::new(
             MessageCommand::Write,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             remote_path.as_bytes(),
         ))?;
         let response = self.transport.read_message()?;
@@ -271,24 +272,25 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
         bincode_deserialize_from_slice(&response.into_payload()[4..])
     }
 
-    pub(crate) fn end_transaction(&mut self) -> Result<()> {
+    pub(crate) fn end_transaction(&mut self, session: ADBSession) -> Result<()> {
         let quit_buffer = MessageSubcommand::Quit.with_arg(0u32);
         self.send_and_expect_okay(ADBTransportMessage::new(
             MessageCommand::Write,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             &bincode_serialize_to_vec(&quit_buffer)?,
         ))?;
         let _discard_close = self.transport.read_message()?;
         Ok(())
     }
 
-    pub(crate) fn open_session(&mut self, data: &[u8]) -> Result<ADBTransportMessage> {
+    pub(crate) fn open_session(&mut self, data: &[u8]) -> Result<ADBSession> {
         let mut rng = rand::rng();
+        let local_id: u32 = rng.random();
 
         let message = ADBTransportMessage::new(
             MessageCommand::Open,
-            rng.random(), // Our 'local-id'
+            local_id, // Our 'local-id'
             0,
             data,
         );
@@ -296,21 +298,20 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
         let response = self.get_transport_mut().read_message()?;
 
-        self.local_id = Some(response.header().arg1());
-        self.remote_id = Some(response.header().arg0());
+        if response.header().command() != MessageCommand::Okay {
+            return Err(RustADBError::ADBRequestFailed(format!(
+                "Open session failed: got {} in respone instead of OKAY",
+                response.header().command()
+            )));
+        }
 
-        Ok(response)
-    }
+        if response.header().arg1() != local_id {
+            return Err(RustADBError::ADBRequestFailed(format!(
+                "Open session failed: respones used {} for our local_id instead of {local_id}",
+                response.header().arg1()
+            )));
+        }
 
-    pub(crate) fn get_local_id(&self) -> Result<u32> {
-        self.local_id.ok_or(RustADBError::ADBRequestFailed(
-            "connection not opened, no local_id".into(),
-        ))
-    }
-
-    pub(crate) fn get_remote_id(&self) -> Result<u32> {
-        self.remote_id.ok_or(RustADBError::ADBRequestFailed(
-            "connection not opened, no remote_id".into(),
-        ))
+        Ok(ADBSession::new(local_id, response.header().arg0()))
     }
 }

adb_client/src/device/adb_message_device_commands.rs

@@ -42,4 +42,8 @@ impl<T: ADBMessageTransport> ADBDeviceExt for ADBMessageDevice<T> {
     fn framebuffer_inner(&mut self) -> Result<image::ImageBuffer<image::Rgba<u8>, Vec<u8>>> {
         self.framebuffer_inner()
     }
+
+    fn list(&mut self, path: &dyn AsRef<str>) -> Result<Vec<crate::ADBListItem>> {
+        self.list(path)
+    }
 }

adb_client/src/device/adb_tcp_device.rs

@@ -1,5 +1,5 @@
 use std::io::Write;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use std::{io::Read, net::SocketAddr};
 
 use super::adb_message_device::ADBMessageDevice;
@@ -8,7 +8,7 @@ use super::{ADBRsaKey, ADBTransportMessage, get_default_adb_key_path};
 use crate::device::adb_usb_device::read_adb_private_key;
 use crate::{ADBDeviceExt, ADBMessageTransport, ADBTransport, Result, TcpTransport};
 
-/// Represent a device reached and available over USB.
+/// Represent a device reached and available over TCP.
 #[derive(Debug)]
 pub struct ADBTcpDevice {
     private_key: ADBRsaKey,
@@ -22,16 +22,16 @@ impl ADBTcpDevice {
     }
 
     /// Instantiate a new [`ADBTcpDevice`] using a custom private key path
-    pub fn new_with_custom_private_key(
+    pub fn new_with_custom_private_key<P: AsRef<Path>>(
         address: SocketAddr,
-        private_key_path: PathBuf,
+        private_key_path: P,
     ) -> Result<Self> {
         let private_key = if let Some(private_key) = read_adb_private_key(&private_key_path)? {
             private_key
         } else {
             log::warn!(
                 "No private key found at path {}. Using a temporary random one.",
-                private_key_path.display()
+                private_key_path.as_ref().display()
             );
             ADBRsaKey::new_random()?
         };
@@ -136,6 +136,10 @@ impl ADBDeviceExt for ADBTcpDevice {
     fn framebuffer_inner(&mut self) -> Result<image::ImageBuffer<image::Rgba<u8>, Vec<u8>>> {
         self.inner.framebuffer_inner()
     }
+
+    fn list(&mut self, path: &dyn AsRef<str>) -> Result<Vec<crate::ADBListItem>> {
+        self.inner.list(path)
+    }
 }
 
 impl Drop for ADBTcpDevice {

adb_client/src/device/adb_usb_device.rs

@@ -110,12 +110,12 @@ impl ADBUSBDevice {
     }
 
     /// Instantiate a new [`ADBUSBDevice`] using a custom private key path
-    pub fn new_with_custom_private_key(
+    pub fn new_with_custom_private_key<P: AsRef<Path>>(
         vendor_id: u16,
         product_id: u16,
-        private_key_path: PathBuf,
+        private_key_path: P,
     ) -> Result<Self> {
-        Self::new_from_transport_inner(USBTransport::new(vendor_id, product_id)?, &private_key_path)
+        Self::new_from_transport_inner(USBTransport::new(vendor_id, product_id)?, private_key_path)
     }
 
     /// Instantiate a new [`ADBUSBDevice`] from a [`USBTransport`] and an optional private key path.
@@ -131,16 +131,16 @@ impl ADBUSBDevice {
         Self::new_from_transport_inner(transport, &private_key_path)
     }
 
-    fn new_from_transport_inner(
+    fn new_from_transport_inner<P: AsRef<Path>>(
         transport: USBTransport,
-        private_key_path: &PathBuf,
+        private_key_path: P,
     ) -> Result<Self> {
-        let private_key = if let Some(private_key) = read_adb_private_key(private_key_path)? {
+        let private_key = if let Some(private_key) = read_adb_private_key(&private_key_path)? {
             private_key
         } else {
             log::warn!(
                 "No private key found at path {}. Using a temporary random one.",
-                private_key_path.display()
+                private_key_path.as_ref().display()
             );
             ADBRsaKey::new_random()?
         };
@@ -247,6 +247,10 @@ impl ADBDeviceExt for ADBUSBDevice {
     fn framebuffer_inner(&mut self) -> Result<image::ImageBuffer<image::Rgba<u8>, Vec<u8>>> {
         self.inner.framebuffer_inner()
     }
+
+    fn list(&mut self, path: &dyn AsRef<str>) -> Result<Vec<crate::ADBListItem>> {
+        self.inner.list(path)
+    }
 }
 
 impl Drop for ADBUSBDevice {

adb_client/src/device/commands/framebuffer.rs

@@ -11,9 +11,9 @@ use crate::{
 
 impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     pub(crate) fn framebuffer_inner(&mut self) -> Result<ImageBuffer<Rgba<u8>, Vec<u8>>> {
-        self.open_session(b"framebuffer:\0")?;
+        let session = self.open_session(b"framebuffer:\0")?;
 
-        let response = self.recv_and_reply_okay()?;
+        let response = self.recv_and_reply_okay(session)?;
 
         let mut payload_cursor = Cursor::new(response.payload());
 
@@ -36,7 +36,7 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
                         break;
                     }
 
-                    let response = self.recv_and_reply_okay()?;
+                    let response = self.recv_and_reply_okay(session)?;
 
                     framebuffer_data.extend_from_slice(&response.into_payload());
 
@@ -69,7 +69,7 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
                         break;
                     }
 
-                    let response = self.recv_and_reply_okay()?;
+                    let response = self.recv_and_reply_okay(session)?;
 
                     framebuffer_data.extend_from_slice(&response.into_payload());
 

adb_client/src/device/commands/install.rs

@@ -14,11 +14,12 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
         let file_size = apk_file.metadata()?.len();
 
-        self.open_session(format!("exec:cmd package 'install' -S {file_size}\0").as_bytes())?;
+        let session =
+            self.open_session(format!("exec:cmd package 'install' -S {file_size}\0").as_bytes())?;
 
         let transport = self.get_transport().clone();
 
-        let mut writer = MessageWriter::new(transport, self.get_local_id()?, self.get_remote_id()?);
+        let mut writer = MessageWriter::new(transport, session.local_id(), session.remote_id());
 
         std::io::copy(&mut apk_file, &mut writer)?;
 

adb_client/src/device/commands/list.rs

@@ -0,0 +1,177 @@
+use crate::{
+    ADBListItem, ADBListItemType, ADBMessageTransport, Result, RustADBError,
+    device::{
+        ADBTransportMessage, MessageCommand, MessageSubcommand,
+        adb_message_device::{ADBMessageDevice, bincode_serialize_to_vec},
+    },
+};
+use byteorder::ByteOrder;
+use byteorder::LittleEndian;
+use std::str;
+
+impl<T: ADBMessageTransport> ADBMessageDevice<T> {
+    /// List the entries in the given directory on the device.
+    /// note: path uses internal file paths, so Documents is at /storage/emulated/0/Documents
+    pub(crate) fn list<A: AsRef<str>>(&mut self, path: A) -> Result<Vec<ADBListItem>> {
+        let session = self.begin_synchronization()?;
+
+        let output = self.handle_list(path, session.local_id(), session.remote_id());
+
+        self.end_transaction(session)?;
+        output
+    }
+
+    /// Request amount of bytes from transport, potentially across payloads
+    ///
+    /// This automatically request a new payload by sending back "Okay" and waiting for the next payload
+    /// It reads the request bytes across the existing payload, and if there is not enough bytes left,
+    /// reads the rest from the next payload
+    ///
+    ///   Current index
+    /// ┼───────────────┼   Requested
+    ///                 ┌─────────────┐
+    /// ┌───────────────┼───────┐     │
+    /// └───────────────────────┘
+    ///     Current             └─────┘
+    ///     payload          Wanted in
+    ///                      Next payload
+    fn read_bytes_from_transport(
+        requested_bytes: usize,
+        current_index: &mut usize,
+        transport: &mut T,
+        payload: &mut Vec<u8>,
+        local_id: u32,
+        remote_id: u32,
+    ) -> Result<Vec<u8>> {
+        if *current_index + requested_bytes <= payload.len() {
+            // if there is enough bytes in this payload
+            // Copy from existing payload
+            let slice = &payload[*current_index..*current_index + requested_bytes];
+            *current_index += requested_bytes;
+            Ok(slice.to_vec())
+        } else {
+            // Read the rest of the existing payload, then continue with the next message
+            let mut slice = Vec::new();
+            let bytes_read_from_existing_payload = payload.len() - *current_index;
+            slice.extend_from_slice(
+                &payload[*current_index..*current_index + bytes_read_from_existing_payload],
+            );
+
+            // Request the next message
+            let send_message =
+                ADBTransportMessage::new(MessageCommand::Okay, local_id, remote_id, &[]);
+            transport.write_message(send_message)?;
+            // Read the new message
+            *payload = transport.read_message()?.into_payload();
+            let bytes_read_from_new_payload = requested_bytes - bytes_read_from_existing_payload;
+            slice.extend_from_slice(&payload[..bytes_read_from_new_payload]);
+            *current_index = bytes_read_from_new_payload;
+            Ok(slice)
+        }
+    }
+
+    fn handle_list<A: AsRef<str>>(
+        &mut self,
+        path: A,
+        local_id: u32,
+        remote_id: u32,
+    ) -> Result<Vec<ADBListItem>> {
+        // TODO: use LIS2 to support files over 2.14 GB in size.
+        // SEE: https://github.com/cstyan/adbDocumentation?tab=readme-ov-file#adb-list
+        {
+            let mut len_buf = Vec::from([0_u8; 4]);
+            LittleEndian::write_u32(&mut len_buf, u32::try_from(path.as_ref().len())?);
+
+            let subcommand_data = MessageSubcommand::List;
+
+            let mut serialized_message = bincode_serialize_to_vec(subcommand_data)
+                .map_err(|_e| RustADBError::ConversionError)?;
+
+            serialized_message.append(&mut len_buf);
+            let mut path_bytes: Vec<u8> = Vec::from(path.as_ref().as_bytes());
+            serialized_message.append(&mut path_bytes);
+
+            let message = ADBTransportMessage::new(
+                MessageCommand::Write,
+                local_id,
+                remote_id,
+                &serialized_message,
+            );
+            self.send_and_expect_okay(message)?;
+        }
+
+        let mut list_items = Vec::new();
+
+        let transport = self.get_transport_mut();
+        let mut payload = transport.read_message()?.into_payload();
+        let mut current_index = 0;
+        loop {
+            // Loop though the response for all the entries
+            const STATUS_CODE_LENGTH_IN_BYTES: usize = 4;
+            let status_code = Self::read_bytes_from_transport(
+                STATUS_CODE_LENGTH_IN_BYTES,
+                &mut current_index,
+                transport,
+                &mut payload,
+                local_id,
+                remote_id,
+            )?;
+            match str::from_utf8(&status_code)? {
+                "DENT" => {
+                    // Read the file mode, size, mod time and name length in one go, since all their sizes are predictable
+                    const U32_SIZE_IN_BYTES: usize = 4;
+                    const SIZE_OF_METADATA: usize = U32_SIZE_IN_BYTES * 4;
+                    let metadata = Self::read_bytes_from_transport(
+                        SIZE_OF_METADATA,
+                        &mut current_index,
+                        transport,
+                        &mut payload,
+                        local_id,
+                        remote_id,
+                    )?;
+                    let mode = metadata[..U32_SIZE_IN_BYTES].to_vec();
+                    let size = metadata[U32_SIZE_IN_BYTES..2 * U32_SIZE_IN_BYTES].to_vec();
+                    let time = metadata[2 * U32_SIZE_IN_BYTES..3 * U32_SIZE_IN_BYTES].to_vec();
+                    let name_len = metadata[3 * U32_SIZE_IN_BYTES..4 * U32_SIZE_IN_BYTES].to_vec();
+
+                    let mode = LittleEndian::read_u32(&mode);
+                    let size = LittleEndian::read_u32(&size);
+                    let time = LittleEndian::read_u32(&time);
+                    let name_len = LittleEndian::read_u32(&name_len) as usize;
+                    // Read the file name, since it requires the length from the name_len
+                    let name_buf = Self::read_bytes_from_transport(
+                        name_len,
+                        &mut current_index,
+                        transport,
+                        &mut payload,
+                        local_id,
+                        remote_id,
+                    )?;
+                    let name = String::from_utf8(name_buf)?;
+
+                    // First 9 bits are the file permissions
+                    let permissions = mode & 0b1_1111_1111;
+                    // Bits 14 to 16 are the file type
+                    let item_type = match (mode >> 13) & 0b111 {
+                        0b010 => ADBListItemType::Directory,
+                        0b100 => ADBListItemType::File,
+                        0b101 => ADBListItemType::Symlink,
+                        type_code => return Err(RustADBError::UnknownFileMode(type_code)),
+                    };
+                    let entry = ADBListItem {
+                        item_type,
+                        name,
+                        time,
+                        size,
+                        permissions,
+                    };
+                    list_items.push(entry);
+                }
+                "DONE" => {
+                    return Ok(list_items);
+                }
+                x => log::error!("Got an unknown response {x}"),
+            }
+        }
+    }
+}

adb_client/src/device/commands/mod.rs

@@ -1,5 +1,6 @@
 mod framebuffer;
 mod install;
+mod list;
 mod pull;
 mod push;
 mod reboot;

adb_client/src/device/commands/pull.rs

@@ -11,10 +11,10 @@ use crate::{
 
 impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     pub(crate) fn pull<A: AsRef<str>, W: Write>(&mut self, source: A, output: W) -> Result<()> {
-        self.begin_synchronization()?;
+        let session = self.begin_synchronization()?;
         let source = source.as_ref();
 
-        let adb_stat_response = self.stat_with_explicit_ids(source)?;
+        let adb_stat_response = self.stat_with_explicit_ids(session, source)?;
 
         if adb_stat_response.file_perm == 0 {
             return Err(RustADBError::UnknownResponseType(
@@ -22,11 +22,13 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
             ));
         }
 
-        let local_id = self.get_local_id()?;
-        let remote_id = self.get_remote_id()?;
-
         self.get_transport_mut().write_message_with_timeout(
-            ADBTransportMessage::new(MessageCommand::Okay, local_id, remote_id, &[]),
+            ADBTransportMessage::new(
+                MessageCommand::Okay,
+                session.local_id(),
+                session.remote_id(),
+                &[],
+            ),
             std::time::Duration::from_secs(4),
         )?;
 
@@ -34,19 +36,19 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
         let recv_buffer = adb_message_device::bincode_serialize_to_vec(&recv_buffer)?;
         self.send_and_expect_okay(ADBTransportMessage::new(
             MessageCommand::Write,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             &recv_buffer,
         ))?;
         self.send_and_expect_okay(ADBTransportMessage::new(
             MessageCommand::Write,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             source.as_bytes(),
         ))?;
 
-        self.recv_file(output)?;
-        self.end_transaction()?;
+        self.recv_file(session, output)?;
+        self.end_transaction(session)?;
         Ok(())
     }
 }

adb_client/src/device/commands/push.rs

@@ -10,7 +10,7 @@ use crate::{
 
 impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     pub(crate) fn push<R: Read, A: AsRef<str>>(&mut self, stream: R, path: A) -> Result<()> {
-        self.begin_synchronization()?;
+        let session = self.begin_synchronization()?;
 
         let path_header = format!("{},0777", path.as_ref());
 
@@ -20,14 +20,13 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
 
         self.send_and_expect_okay(ADBTransportMessage::new(
             MessageCommand::Write,
-            self.get_local_id()?,
-            self.get_remote_id()?,
+            session.local_id(),
+            session.remote_id(),
             &send_buffer,
         ))?;
 
-        self.push_file(self.get_local_id()?, self.get_remote_id()?, stream)?;
-
-        self.end_transaction()?;
+        self.push_file(session, stream)?;
+        self.end_transaction(session)?;
 
         Ok(())
     }

adb_client/src/device/commands/shell.rs

@@ -1,4 +1,5 @@
 use std::io::{ErrorKind, Read, Write};
+use std::time::Duration;
 
 use crate::Result;
 use crate::device::ShellMessageWriter;
@@ -10,24 +11,35 @@ use crate::{
 impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     /// Runs 'command' in a shell on the device, and write its output and error streams into output.
     pub(crate) fn shell_command(&mut self, command: &[&str], output: &mut dyn Write) -> Result<()> {
-        let response = self.open_session(format!("shell:{}\0", command.join(" "),).as_bytes())?;
+        let session = self.open_session(format!("shell:{}\0", command.join(" "),).as_bytes())?;
 
-        if response.header().command() != MessageCommand::Okay {
-            return Err(RustADBError::ADBRequestFailed(format!(
-                "wrong command {}",
-                response.header().command()
-            )));
-        }
+        let mut transport = self.get_transport().clone();
 
         loop {
-            let response = self.get_transport_mut().read_message()?;
-            if response.header().command() != MessageCommand::Write {
+            let message = transport.read_message()?;
+            let command = message.header().command();
+
+            if command == MessageCommand::Clse {
                 break;
             }
 
-            output.write_all(&response.into_payload())?;
+            self.get_transport_mut()
+                .write_message(ADBTransportMessage::new(
+                    MessageCommand::Okay,
+                    session.local_id(),
+                    session.remote_id(),
+                    &[],
+                ))?;
+
+            output.write_all(&message.into_payload())?;
         }
 
+        // some devices will repeat the trailing CLSE command to ensure
+        // the client has acknowledged it. Read them quickly if present.
+        while let Ok(_discard_close_message) =
+            transport.read_message_with_timeout(Duration::from_millis(20))
+        {}
+
         Ok(())
     }
 
@@ -38,21 +50,22 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
         mut reader: &mut dyn Read,
         mut writer: Box<dyn Write + Send>,
     ) -> Result<()> {
-        self.open_session(b"shell:\0")?;
+        let session = self.open_session(b"shell:\0")?;
 
         let mut transport = self.get_transport().clone();
 
-        let local_id = self.get_local_id()?;
-        let remote_id = self.get_remote_id()?;
-
         // Reading thread, reads response from adbd
         std::thread::spawn(move || -> Result<()> {
             loop {
                 let message = transport.read_message()?;
 
                 // Acknowledge for more data
-                let response =
-                    ADBTransportMessage::new(MessageCommand::Okay, local_id, remote_id, &[]);
+                let response = ADBTransportMessage::new(
+                    MessageCommand::Okay,
+                    session.local_id(),
+                    session.remote_id(),
+                    &[],
+                );
                 transport.write_message(response)?;
 
                 match message.header().command() {
@@ -67,7 +80,8 @@ impl<T: ADBMessageTransport> ADBMessageDevice<T> {
         });
 
         let transport = self.get_transport().clone();
-        let mut shell_writer = ShellMessageWriter::new(transport, local_id, remote_id);
+        let mut shell_writer =
+            ShellMessageWriter::new(transport, session.local_id(), session.remote_id());
 
         // Read from given reader (that could be stdin e.g), and write content to device adbd
         if let Err(e) = std::io::copy(&mut reader, &mut shell_writer) {

adb_client/src/device/commands/stat.rs

@@ -4,9 +4,9 @@ use crate::{
 
 impl<T: ADBMessageTransport> ADBMessageDevice<T> {
     pub(crate) fn stat(&mut self, remote_path: &str) -> Result<AdbStatResponse> {
-        self.begin_synchronization()?;
-        let adb_stat_response = self.stat_with_explicit_ids(remote_path)?;
-        self.end_transaction()?;
+        let session = self.begin_synchronization()?;
+        let adb_stat_response = self.stat_with_explicit_ids(session, remote_path)?;
+        self.end_transaction(session)?;
         Ok(adb_stat_response)
     }
 }

adb_client/src/device/models/adb_session.rs

@@ -0,0 +1,23 @@
+/// Represent a session between an `ADBDevice` and remote `adbd`.
+#[derive(Debug, Clone, Copy)]
+pub(crate) struct ADBSession {
+    local_id: u32,
+    remote_id: u32,
+}
+
+impl ADBSession {
+    pub fn new(local_id: u32, remote_id: u32) -> Self {
+        Self {
+            local_id,
+            remote_id,
+        }
+    }
+
+    pub fn local_id(self) -> u32 {
+        self.local_id
+    }
+
+    pub fn remote_id(self) -> u32 {
+        self.remote_id
+    }
+}

adb_client/src/device/models/mod.rs

@@ -1,5 +1,7 @@
 mod adb_rsa_key;
+mod adb_session;
 mod message_commands;
 
 pub use adb_rsa_key::ADBRsaKey;
+pub(crate) use adb_session::ADBSession;
 pub use message_commands::{MessageCommand, MessageSubcommand};

adb_client/src/emulator_device/commands/rotate.rs

@@ -3,6 +3,6 @@ use crate::{ADBEmulatorDevice, Result, emulator_device::ADBEmulatorCommand};
 impl ADBEmulatorDevice {
     /// Send a SMS to this emulator with given content with given phone number
     pub fn rotate(&mut self) -> Result<()> {
-        self.connect()?.send_command(ADBEmulatorCommand::Rotate)
+        self.connect()?.send_command(&ADBEmulatorCommand::Rotate)
     }
 }

adb_client/src/emulator_device/commands/sms.rs

@@ -3,7 +3,7 @@ use crate::{ADBEmulatorDevice, Result, emulator_device::ADBEmulatorCommand};
 impl ADBEmulatorDevice {
     /// Send a SMS to this emulator with given content with given phone number
     pub fn send_sms(&mut self, phone_number: &str, content: &str) -> Result<()> {
-        self.connect()?.send_command(ADBEmulatorCommand::Sms(
+        self.connect()?.send_command(&ADBEmulatorCommand::Sms(
             phone_number.to_string(),
             content.to_string(),
         ))

adb_client/src/error.rs

@@ -115,14 +115,19 @@ pub enum RustADBError {
     #[error("upgrade error: {0}")]
     UpgradeError(String),
     /// An error occurred while getting mdns devices
+    #[cfg(feature = "mdns")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "mdns")))]
     #[error(transparent)]
     MDNSError(#[from] mdns_sd::Error),
     /// An error occurred while sending data to channel
-    #[error(transparent)]
-    SendError(#[from] std::sync::mpsc::SendError<crate::MDNSDevice>),
+    #[error("error sending data to channel")]
+    SendError,
     /// An unknown transport has been provided
     #[error("unknown transport: {0}")]
     UnknownTransport(String),
+    /// An unknown file mode was encountered in list
+    #[error("Unknown file mode {0}")]
+    UnknownFileMode(u32),
 }
 
 impl<T> From<std::sync::PoisonError<T>> for RustADBError {

adb_client/src/lib.rs

@@ -3,13 +3,23 @@
 #![forbid(missing_debug_implementations)]
 #![forbid(missing_docs)]
 #![doc = include_str!("../README.md")]
+// Feature `doc_cfg` is currently only available on nightly builds.
+// It is activated when cfg `docsrs` is enabled.
+// Documentation can be build locally using:
+// `RUSTDOCFLAGS="--cfg docsrs" cargo +nightly doc --no-deps --all-features`
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 mod adb_device_ext;
 mod constants;
 mod device;
 mod emulator_device;
 mod error;
-mod mdns;
+
+/// MDNS-related definitions
+#[cfg(feature = "mdns")]
+#[cfg_attr(docsrs, doc(cfg(feature = "mdns")))]
+pub mod mdns;
+
 mod models;
 mod server;
 mod server_device;
@@ -20,8 +30,7 @@ pub use adb_device_ext::ADBDeviceExt;
 pub use device::{ADBTcpDevice, ADBUSBDevice, is_adb_device, search_adb_devices};
 pub use emulator_device::ADBEmulatorDevice;
 pub use error::{Result, RustADBError};
-pub use mdns::*;
-pub use models::{AdbStatResponse, RebootType};
+pub use models::{ADBListItem, ADBListItemType, AdbStatResponse, RebootType};
 pub use server::*;
 pub use server_device::ADBServerDevice;
 pub use transports::*;

adb_client/src/mdns/mdns_device.rs

@@ -1,4 +1,8 @@
-use std::{collections::HashSet, net::IpAddr};
+use std::{
+    collections::HashSet,
+    fmt::Display,
+    net::{IpAddr, Ipv4Addr, Ipv6Addr},
+};
 
 use mdns_sd::{ResolvedService, ScopedIp};
 
@@ -8,7 +12,41 @@ pub struct MDNSDevice {
     /// Full device address when resolved
     pub fullname: String,
     /// Device IP addresses
-    pub addresses: HashSet<IpAddr>,
+    addresses: HashSet<IpAddr>,
+}
+
+impl MDNSDevice {
+    /// Return all adresses linked to this device
+    #[must_use]
+    pub fn addresses(&self) -> HashSet<IpAddr> {
+        self.addresses.clone()
+    }
+
+    /// Return all IPv4 addresses linked to this device
+    #[must_use]
+    pub fn ipv4_addresses(&self) -> HashSet<Ipv4Addr> {
+        self.addresses
+            .iter()
+            .filter_map(|addr| match addr {
+                IpAddr::V4(addr) => Some(addr),
+                IpAddr::V6(_) => None,
+            })
+            .copied()
+            .collect()
+    }
+
+    /// Return all IPv6 addresses linked to this device
+    #[must_use]
+    pub fn ipv6_addresses(&self) -> HashSet<Ipv6Addr> {
+        self.addresses
+            .iter()
+            .filter_map(|addr| match addr {
+                IpAddr::V4(_) => None,
+                IpAddr::V6(addr) => Some(addr),
+            })
+            .copied()
+            .collect()
+    }
 }
 
 impl From<Box<ResolvedService>> for MDNSDevice {
@@ -19,3 +57,13 @@ impl From<Box<ResolvedService>> for MDNSDevice {
         }
     }
 }
+
+impl Display for MDNSDevice {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        writeln!(f, "Device fullname: {}", self.fullname)?;
+        writeln!(f, "IPv4 Addresses: {:?}", self.ipv4_addresses())?;
+        write!(f, "IPv6 Addresses: {:?}", self.ipv6_addresses())?;
+
+        Ok(())
+    }
+}

adb_client/src/mdns/mdns_discovery.rs

@@ -1,7 +1,8 @@
 use mdns_sd::{ServiceDaemon, ServiceEvent};
 use std::{sync::mpsc::Sender, thread::JoinHandle};
 
-use crate::{MDNSDevice, Result, RustADBError};
+use super::MDNSDevice;
+use crate::{Result, RustADBError};
 
 const ADB_SERVICE_NAME: &str = "_adb-tls-connect._tcp.local.";
 
@@ -29,7 +30,7 @@ impl MDNSDiscoveryService {
         })
     }
 
-    /// Start discovery by spawning a new thread responsible of getting events.
+    /// Start discovery by spawning a new background thread responsible of getting events.
     pub fn start(&mut self, sender: Sender<MDNSDevice>) -> Result<()> {
         let receiver = self.daemon.browse(ADB_SERVICE_NAME)?;
 
@@ -44,9 +45,9 @@ impl MDNSDiscoveryService {
                             // Ignoring these events. We are only interesting in found devices
                         }
                         ServiceEvent::ServiceResolved(service_info) => {
-                            if let Err(e) = sender.send(MDNSDevice::from(service_info)) {
-                                return Err(e.into());
-                            }
+                            sender
+                                .send(MDNSDevice::from(service_info))
+                                .map_err(|_| RustADBError::SendError)?;
                         }
                         e => {
                             log::warn!("received unknown event type {e:?}");

adb_client/src/models/adb_server_command.rs

@@ -26,7 +26,7 @@ pub(crate) enum AdbServerCommand {
     Install(u64),
     WaitForDevice(WaitForDeviceState, WaitForDeviceTransport),
     // Local commands
-    ShellCommand(String),
+    ShellCommand(String, Vec<String>),
     Shell,
     FrameBuffer,
     Sync,
@@ -51,10 +51,14 @@ impl Display for AdbServerCommand {
             AdbServerCommand::TrackDevices => write!(f, "host:track-devices"),
             AdbServerCommand::TransportAny => write!(f, "host:transport-any"),
             AdbServerCommand::TransportSerial(serial) => write!(f, "host:transport:{serial}"),
-            AdbServerCommand::ShellCommand(command) => match std::env::var("TERM") {
-                Ok(term) => write!(f, "shell,TERM={term},raw:{command}"),
-                Err(_) => write!(f, "shell,raw:{command}"),
-            },
+            AdbServerCommand::ShellCommand(command, args) => {
+                let args_s = args.join(",");
+                write!(
+                    f,
+                    "shell{}{args_s},raw:{command}",
+                    if args.is_empty() { "" } else { "," }
+                )
+            }
             AdbServerCommand::Shell => match std::env::var("TERM") {
                 Ok(term) => write!(f, "shell,TERM={term},raw:"),
                 Err(_) => write!(f, "shell,raw:"),

adb_client/src/models/list_info.rs

@@ -0,0 +1,25 @@
+#[derive(Debug, Eq, PartialEq, Ord, PartialOrd)]
+/// A list entry on the remote device
+pub struct ADBListItem {
+    /// The name of the file, not the path
+    pub name: String,
+    /// The unix time stamp of when it was last modified
+    pub time: u32,
+    /// The unix mode of the file, used for permissions and special bits
+    pub permissions: u32,
+    /// The size of the file
+    pub size: u32,
+    /// The type of item this is, file, directory or symlink
+    pub item_type: ADBListItemType,
+}
+
+#[derive(Debug, Eq, PartialEq, Ord, PartialOrd)]
+/// The different types of item that the list item can be
+pub enum ADBListItemType {
+    /// The entry is a file
+    File,
+    /// The entry is a directory
+    Directory,
+    /// The entry is a symlink
+    Symlink,
+}

adb_client/src/models/mod.rs

@@ -3,6 +3,7 @@ mod adb_server_command;
 mod adb_stat_response;
 mod framebuffer_info;
 mod host_features;
+mod list_info;
 mod reboot_type;
 mod sync_command;
 
@@ -11,5 +12,6 @@ pub(crate) use adb_server_command::AdbServerCommand;
 pub use adb_stat_response::AdbStatResponse;
 pub(crate) use framebuffer_info::{FrameBufferInfoV1, FrameBufferInfoV2};
 pub use host_features::HostFeatures;
+pub use list_info::{ADBListItem, ADBListItemType};
 pub use reboot_type::RebootType;
 pub use sync_command::SyncCommand;

adb_client/src/server/adb_server.rs

@@ -22,6 +22,7 @@ pub struct ADBServer {
 
 impl ADBServer {
     /// Instantiates a new [`ADBServer`]
+    #[must_use]
     pub fn new(address: SocketAddrV4) -> Self {
         Self {
             transport: None,
@@ -32,6 +33,7 @@ impl ADBServer {
     }
 
     /// Instantiates a new [`ADBServer`] with a custom adb path
+    #[must_use]
     pub fn new_from_path(address: SocketAddrV4, adb_path: Option<String>) -> Self {
         Self {
             transport: None,

adb_client/src/server/models/adb_version.rs

@@ -16,6 +16,7 @@ pub struct AdbVersion {
 
 impl AdbVersion {
     /// Instantiates a new [`AdbVersion`].
+    #[must_use]
     pub fn new(minor: u32, revision: u32) -> Self {
         Self {
             major: 1,

adb_client/src/server/models/wait_for_device.rs

@@ -1,4 +1,4 @@
-use std::fmt::Display;
+use std::{fmt::Display, str::FromStr};
 
 use crate::RustADBError;
 
@@ -24,10 +24,10 @@ impl Display for WaitForDeviceTransport {
     }
 }
 
-impl TryFrom<&str> for WaitForDeviceTransport {
-    type Error = RustADBError;
+impl FromStr for WaitForDeviceTransport {
+    type Err = RustADBError;
 
-    fn try_from(value: &str) -> Result<Self, Self::Error> {
+    fn from_str(value: &str) -> Result<Self, Self::Err> {
         match value {
             "usb" => Ok(Self::Usb),
             "local" => Ok(Self::Local),

adb_client/src/server_device/adb_server_device.rs

@@ -12,6 +12,7 @@ pub struct ADBServerDevice {
 
 impl ADBServerDevice {
     /// Instantiates a new [`ADBServerDevice`], knowing its ADB identifier (as returned by `adb devices` command).
+    #[must_use]
     pub fn new(identifier: String, server_addr: Option<SocketAddrV4>) -> Self {
         let transport = TCPServerTransport::new_or_default(server_addr);
 
@@ -22,6 +23,7 @@ impl ADBServerDevice {
     }
 
     /// Instantiates a new [`ADBServerDevice`], assuming only one is currently connected.
+    #[must_use]
     pub fn autodetect(server_addr: Option<SocketAddrV4>) -> Self {
         let transport = TCPServerTransport::new_or_default(server_addr);
 

adb_client/src/server_device/adb_server_device_commands.rs

@@ -22,8 +22,24 @@ impl ADBDeviceExt for ADBServerDevice {
 
         self.set_serial_transport()?;
 
+        // Prepare shell command arguments
+        let mut args = Vec::new();
+        let command_string = command.join(" ");
+
+        // Add v2 mode if supported
+        if supported_features.contains(&HostFeatures::ShellV2) {
+            log::debug!("using shell_v2 feature");
+            args.push("v2".to_string());
+        }
+
+        // Include terminal information if available
+        if let Ok(term) = std::env::var("TERM") {
+            args.push(format!("TERM={term}"));
+        }
+
+        // Send the request
         self.transport
-            .send_adb_request(AdbServerCommand::ShellCommand(command.join(" ")))?;
+            .send_adb_request(AdbServerCommand::ShellCommand(command_string, args))?;
 
         let mut buffer = vec![0; BUFFER_SIZE].into_boxed_slice();
         loop {
@@ -119,4 +135,8 @@ impl ADBDeviceExt for ADBServerDevice {
     fn framebuffer_inner(&mut self) -> Result<image::ImageBuffer<image::Rgba<u8>, Vec<u8>>> {
         self.framebuffer_inner()
     }
+
+    fn list(&mut self, path: &dyn AsRef<str>) -> Result<Vec<crate::ADBListItem>> {
+        self.list(path)
+    }
 }

adb_client/src/server_device/commands/list.rs

@@ -1,8 +1,8 @@
 use crate::{
-    ADBServerDevice, Result,
-    models::{AdbServerCommand, SyncCommand},
+    ADBServerDevice, Result, RustADBError,
+    models::{ADBListItem, ADBListItemType, AdbServerCommand, SyncCommand},
 };
-use byteorder::{ByteOrder, LittleEndian};
+use byteorder::{ByteOrder, LittleEndian, ReadBytesExt};
 use std::{
     io::{Read, Write},
     str,
@@ -10,21 +10,22 @@ use std::{
 
 impl ADBServerDevice {
     /// Lists files in path on the device.
-    pub fn list<A: AsRef<str>>(&mut self, path: A) -> Result<()> {
+    /// note: path uses internal file paths, so Documents is at /storage/emulated/0/Documents
+    pub fn list<A: AsRef<str>>(&mut self, path: A) -> Result<Vec<ADBListItem>> {
         self.set_serial_transport()?;
 
         // Set device in SYNC mode
         self.transport.send_adb_request(AdbServerCommand::Sync)?;
 
         // Send a list command
-        self.transport.send_sync_request(SyncCommand::List)?;
+        self.transport.send_sync_request(&SyncCommand::List)?;
 
         self.handle_list_command(path)
     }
 
-    // This command does not seem to work correctly. The devices I test it on just resturn
-    // 'DONE' directly without listing anything.
-    fn handle_list_command<S: AsRef<str>>(&mut self, path: S) -> Result<()> {
+    fn handle_list_command<A: AsRef<str>>(&mut self, path: A) -> Result<Vec<ADBListItem>> {
+        // TODO: use LIS2 to support files over 2.14 GB in size.
+        // SEE: https://github.com/cstyan/adbDocumentation?tab=readme-ov-file#adb-list
         let mut len_buf = [0_u8; 4];
         LittleEndian::write_u32(&mut len_buf, u32::try_from(path.as_ref().len())?);
 
@@ -36,6 +37,8 @@ impl ADBServerDevice {
             .get_raw_connection()?
             .write_all(path.as_ref().to_string().as_bytes())?;
 
+        let mut list_items = Vec::new();
+
         // Reads returned status code from ADB server
         let mut response = [0_u8; 4];
         loop {
@@ -44,25 +47,36 @@ impl ADBServerDevice {
                 .read_exact(&mut response)?;
             match str::from_utf8(response.as_ref())? {
                 "DENT" => {
-                    // TODO: Move this to a struct that extract this data, but as the device
-                    // I test this on does not return anything, I can't test it.
-                    let mut file_mod = [0_u8; 4];
-                    let mut file_size = [0_u8; 4];
-                    let mut mod_time = [0_u8; 4];
-                    let mut name_len = [0_u8; 4];
-
                     let mut connection = self.transport.get_raw_connection()?;
-                    connection.read_exact(&mut file_mod)?;
-                    connection.read_exact(&mut file_size)?;
-                    connection.read_exact(&mut mod_time)?;
-                    connection.read_exact(&mut name_len)?;
 
-                    let name_len = LittleEndian::read_u32(&name_len);
+                    let mode = connection.read_u32::<LittleEndian>()?;
+                    let size = connection.read_u32::<LittleEndian>()?;
+                    let time = connection.read_u32::<LittleEndian>()?;
+                    let name_len = connection.read_u32::<LittleEndian>()?;
                     let mut name_buf = vec![0_u8; name_len as usize];
                     connection.read_exact(&mut name_buf)?;
+                    let name = String::from_utf8(name_buf)?;
+
+                    // First 9 bits are the file permissions
+                    let permissions = mode & 0b1_1111_1111;
+                    // Bits 14 to 16 are the file type
+                    let item_type = match (mode >> 13) & 0b111 {
+                        0b010 => ADBListItemType::Directory,
+                        0b100 => ADBListItemType::File,
+                        0b101 => ADBListItemType::Symlink,
+                        type_code => return Err(RustADBError::UnknownFileMode(type_code)),
+                    };
+                    let entry = ADBListItem {
+                        item_type,
+                        name,
+                        time,
+                        size,
+                        permissions,
+                    };
+                    list_items.push(entry);
                 }
                 "DONE" => {
-                    return Ok(());
+                    return Ok(list_items);
                 }
                 x => log::error!("Got an unknown response {x}"),
             }

adb_client/src/server_device/commands/recv.rs

@@ -72,7 +72,7 @@ impl ADBServerDevice {
         self.transport.send_adb_request(AdbServerCommand::Sync)?;
 
         // Send a recv command
-        self.transport.send_sync_request(SyncCommand::Recv)?;
+        self.transport.send_sync_request(&SyncCommand::Recv)?;
 
         self.handle_recv_command(path, stream)
     }

adb_client/src/server_device/commands/send.rs

@@ -4,7 +4,7 @@ use crate::{
 };
 use std::{
     convert::TryInto,
-    io::{BufReader, BufWriter, Read, Write},
+    io::{self, BufReader, BufWriter, Read, Write},
     str::{self, FromStr},
     time::SystemTime,
 };
@@ -22,7 +22,7 @@ impl<W: Write> ADBSendCommandWriter<W> {
 
 impl<W: Write> Write for ADBSendCommandWriter<W> {
     fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
-        let chunk_len = buf.len() as u32;
+        let chunk_len = u32::try_from(buf.len()).map_err(io::Error::other)?;
 
         // 8 = "DATA".len() + sizeof(u32)
         let mut buffer = Vec::with_capacity(8 + buf.len());
@@ -50,7 +50,7 @@ impl ADBServerDevice {
         self.transport.send_adb_request(AdbServerCommand::Sync)?;
 
         // Send a send command
-        self.transport.send_sync_request(SyncCommand::Send)?;
+        self.transport.send_sync_request(&SyncCommand::Send)?;
 
         self.handle_send_command(stream, path)
     }

adb_client/src/server_device/commands/stat.rs

@@ -44,7 +44,7 @@ impl ADBServerDevice {
         self.transport.send_adb_request(AdbServerCommand::Sync)?;
 
         // Send a "Stat" command
-        self.transport.send_sync_request(SyncCommand::Stat)?;
+        self.transport.send_sync_request(&SyncCommand::Stat)?;
 
         self.handle_stat_command(path)
     }

adb_client/src/transports/tcp_emulator_transport.rs

@@ -16,6 +16,7 @@ pub struct TCPEmulatorTransport {
 
 impl TCPEmulatorTransport {
     /// Instantiates a new instance of [`TCPEmulatorTransport`]
+    #[must_use]
     pub fn new(socket_addr: SocketAddrV4) -> Self {
         Self {
             socket_addr,
@@ -48,11 +49,11 @@ impl TCPEmulatorTransport {
     /// Send an authenticate request to this emulator
     pub fn authenticate(&mut self) -> Result<()> {
         let token = self.get_authentication_token()?;
-        self.send_command(ADBEmulatorCommand::Authenticate(token))
+        self.send_command(&ADBEmulatorCommand::Authenticate(token))
     }
 
     /// Send an [`ADBEmulatorCommand`] to this emulator
-    pub(crate) fn send_command(&mut self, command: ADBEmulatorCommand) -> Result<()> {
+    pub(crate) fn send_command(&mut self, command: &ADBEmulatorCommand) -> Result<()> {
         let mut connection = self.get_raw_connection()?;
 
         // Send command

adb_client/src/transports/tcp_server_transport.rs

@@ -26,6 +26,7 @@ impl Default for TCPServerTransport {
 
 impl TCPServerTransport {
     /// Instantiates a new instance of [`TCPServerTransport`]
+    #[must_use]
     pub fn new(socket_addr: SocketAddrV4) -> Self {
         Self {
             socket_addr,
@@ -34,6 +35,7 @@ impl TCPServerTransport {
     }
 
     /// Instantiate a new instance of [`TCPServerTransport`] using given address, or default if not specified.
+    #[must_use]
     pub fn new_or_default(socket_addr: Option<SocketAddrV4>) -> Self {
         match socket_addr {
             Some(s) => Self::new(s),
@@ -42,6 +44,7 @@ impl TCPServerTransport {
     }
 
     /// Get underlying [`SocketAddrV4`]
+    #[must_use]
     pub fn get_socketaddr(&self) -> SocketAddrV4 {
         self.socket_addr
     }
@@ -90,7 +93,7 @@ impl TCPServerTransport {
     }
 
     /// Send the given [`SyncCommand`] to ADB server, and checks that the request has been taken in consideration.
-    pub(crate) fn send_sync_request(&mut self, command: SyncCommand) -> Result<()> {
+    pub(crate) fn send_sync_request(&mut self, command: &SyncCommand) -> Result<()> {
         // First 4 bytes are the name of the command we want to send
         // (e.g. "SEND", "RECV", "STAT", "LIST")
         Ok(self

adb_client/src/transports/usb_transport.rs

@@ -32,10 +32,11 @@ impl USBTransport {
     /// Only the first device with given `vendor_id` and `product_id` is returned.
     pub fn new(vendor_id: u16, product_id: u16) -> Result<Self> {
         for device in rusb::devices()?.iter() {
-            if let Ok(descriptor) = device.device_descriptor() {
-                if descriptor.vendor_id() == vendor_id && descriptor.product_id() == product_id {
-                    return Ok(Self::new_from_device(device));
-                }
+            if let Ok(descriptor) = device.device_descriptor()
+                && descriptor.vendor_id() == vendor_id
+                && descriptor.product_id() == product_id
+            {
+                return Ok(Self::new_from_device(device));
             }
         }
 
@@ -47,6 +48,7 @@ impl USBTransport {
     /// Instantiate a new [`USBTransport`] from a [`rusb::Device`].
     ///
     /// Devices can be enumerated using [`rusb::devices()`] and then filtered out to get desired device.
+    #[must_use]
     pub fn new_from_device(rusb_device: rusb::Device<GlobalContext>) -> Self {
         Self {
             device: rusb_device,

adb_client/src/utils.rs

@@ -3,13 +3,13 @@ use std::{ffi::OsStr, path::Path};
 use crate::{Result, RustADBError};
 
 pub fn check_extension_is_apk<P: AsRef<Path>>(path: P) -> Result<()> {
-    if let Some(extension) = path.as_ref().extension() {
-        if ![OsStr::new("apk")].contains(&extension) {
-            return Err(RustADBError::WrongFileExtension(format!(
-                "{} is not an APK file",
-                extension.to_string_lossy()
-            )));
-        }
+    if let Some(extension) = path.as_ref().extension()
+        && ![OsStr::new("apk")].contains(&extension)
+    {
+        return Err(RustADBError::WrongFileExtension(format!(
+            "{} is not an APK file",
+            extension.to_string_lossy()
+        )));
     }
 
     log::debug!("Given file is an APK");

examples/mdns/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "mdns"
+authors.workspace = true
+edition.workspace = true
+homepage.workspace = true
+keywords.workspace = true
+license.workspace = true
+repository.workspace = true
+version.workspace = true
+rust-version.workspace = true
+
+[[bin]]
+name = "mdns"
+path = "main.rs"
+
+[dependencies]
+adb_client = { path = "../../adb_client", default-features = false, features = [
+    "mdns",
+] }

examples/mdns/main.rs

@@ -0,0 +1,19 @@
+use std::sync::mpsc;
+
+use adb_client::mdns::{MDNSDevice, MDNSDiscoveryService};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("Starting mDNS device discovery...");
+
+    // Create a channel to receive discovered devices information
+    let (sender, receiver) = mpsc::channel::<MDNSDevice>();
+
+    // Create and start the discovery service
+    let mut discovery = MDNSDiscoveryService::new()?;
+    discovery.start(sender)?;
+
+    loop {
+        let device = receiver.recv()?;
+        println!("{device}");
+    }
+}

pyadb_client/Cargo.toml

@@ -22,6 +22,6 @@ name = "stub_gen"
 [dependencies]
 adb_client = { path = "../adb_client" }
 anyhow = { version = "1.0.100" }
-pyo3 = { version = "0.27.1", features = ["abi3-py310", "anyhow"] }
-pyo3-stub-gen = { version = "0.17.0" }
-pyo3-stub-gen-derive = { version = "0.17.0" }
+pyo3 = { version = "0.27.2", features = ["abi3-py310", "anyhow"] }
+pyo3-stub-gen = { version = "0.17.2" }
+pyo3-stub-gen-derive = { version = "0.17.2" }

pyadb_client/README.md

@@ -1,4 +1,4 @@
-# pyadb_client
+# `pyadb_client`
 
 <p align="center">
     <p align="center">Python library to communicate with ADB devices. Built on top of Rust adb_client library.</p>

pyadb_client/src/adb_server_device.rs

@@ -12,6 +12,7 @@ pub struct PyADBServerDevice(pub ADBServerDevice);
 #[gen_stub_pymethods]
 #[pymethods]
 impl PyADBServerDevice {
+    #[must_use]
     #[getter]
     /// Device identifier
     pub fn identifier(&self) -> Option<String> {

pyadb_client/src/adb_usb_device.rs

@@ -21,6 +21,7 @@ impl PyADBUSBDevice {
     }
 
     /// Run shell commands on device and return the output (stdout + stderr merged)
+    #[expect(clippy::needless_pass_by_value)]
     pub fn shell_command(&mut self, commands: Vec<String>) -> Result<Vec<u8>> {
         let mut output = Vec::new();
         let commands: Vec<&str> = commands.iter().map(|x| &**x).collect();
@@ -41,6 +42,7 @@ impl PyADBUSBDevice {
     }
 
     /// Install a package installed on the device
+    #[expect(clippy::needless_pass_by_value)]
     pub fn install(&mut self, apk_path: PathBuf) -> Result<()> {
         Ok(self.0.install(&apk_path)?)
     }

pyadb_client/src/models/devices.rs

@@ -12,12 +12,14 @@ pub struct PyDeviceShort(DeviceShort);
 #[gen_stub_pymethods]
 #[pymethods]
 impl PyDeviceShort {
+    #[must_use]
     #[getter]
     /// Device identifier
     pub fn identifier(&self) -> String {
         self.0.identifier.clone()
     }
 
+    #[must_use]
     #[getter]
     /// Device state
     pub fn state(&self) -> String {