commit 7670c1f0a0f86b405f56e6247ff9b4e9bf632575
Author: LIAUD Corentin <corentin.liaud@orange.fr>
Date:   Wed Jan 5 11:04:15 2022 +0100

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c8e9e48
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+target
+Cargo.lock
+.vscode
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..16aa275
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,27 @@
+[package]
+name = "adb_client"
+version = "0.1.0"
+description = "Rust ADB (Android Debug Bridge) client library"
+keywords = ["adb"]
+readme = "README.md"
+license = "MIT"
+edition = "2021"
+
+[lib]
+name = "adb_client"
+crate-type = ["lib"]
+path = "src/lib.rs"
+
+[[bin]]
+name = "adb_client"
+path = "bin/adb_client.rs"
+required-features = ["adbclient"]
+
+[dependencies]
+thiserror = { version = "1.0.30", default_features = false }
+
+# Features needed by adb_client binary
+clap = { version = "3.0.1", default_features = false, features = ["std", "derive"], optional = true }
+
+[features]
+adbclient = ["clap"]
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..3019723
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+https://developer.android.com/studio/command-line/adb
+https://github.com/cstyan/adbDocumentation
diff --git a/bin/adb_client.rs b/bin/adb_client.rs
new file mode 100644
index 0000000..5f14c59
--- /dev/null
+++ b/bin/adb_client.rs
@@ -0,0 +1,56 @@
+use adb_client::{AdbCommandProvider, AdbTcpConnexion};
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+#[clap(about, version, author)]
+struct Args {
+    #[clap(
+        short = 'a',
+        long = "address",
+        help = "Sets the listening address of ADB server",
+        default_value = "127.0.0.1"
+    )]
+    pub address: String,
+    #[clap(
+        short = 'p',
+        long = "port",
+        help = "Sets the listening port of ADB server",
+        default_value = "5037"
+    )]
+    pub port: u16,
+    #[clap(subcommand)]
+    pub command: Command,
+}
+
+#[derive(Parser, Debug)]
+enum Command {
+    Version,
+    Devices {
+        #[clap(short = 'l', long = "long")]
+        long: bool,
+    },
+}
+
+fn main() {
+    let opt = Args::parse();
+
+    let connexion = AdbTcpConnexion::new()
+        .address(opt.address)
+        .unwrap()
+        .port(opt.port);
+
+    match opt.command {
+        Command::Version => {
+            connexion.version().unwrap();
+        }
+        Command::Devices { long } => {
+            if long {
+                connexion.devices_long().unwrap();
+            } else {
+                for device in connexion.devices().unwrap() {
+                    println!("{}\t{}", device.identifier, device.state);
+                }
+            }
+        }
+    }
+}
diff --git a/src/adb_tcp_connexion.rs b/src/adb_tcp_connexion.rs
new file mode 100644
index 0000000..79f772a
--- /dev/null
+++ b/src/adb_tcp_connexion.rs
@@ -0,0 +1,128 @@
+use std::{
+    io::{Read, Write},
+    net::{Ipv4Addr, SocketAddrV4, TcpStream},
+    str::FromStr,
+};
+
+use crate::{
+    models::{AdbCommand, AdbRequestStatus},
+    AdbCommandProvider, Device, DeviceState, Result, RustADBError,
+};
+
+/// Represents an ADB-over-TCP connexion.
+pub struct AdbTcpConnexion {
+    socket_addr: SocketAddrV4,
+    port: u16,
+    address: Ipv4Addr,
+}
+
+impl AdbTcpConnexion {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn port(mut self, port: u16) -> Self {
+        self.port = port;
+        self.socket_addr = SocketAddrV4::new(self.address, self.port);
+        self
+    }
+
+    pub fn address<S: ToString>(mut self, address: S) -> Result<Self> {
+        self.address = Ipv4Addr::from_str(&address.to_string())?;
+        self.socket_addr = SocketAddrV4::new(self.address, self.port);
+        Ok(self)
+    }
+
+    fn proxy_connexion(&self, adb_command: AdbCommand) -> Result<Vec<u8>> {
+        let mut tcp_stream = TcpStream::connect(self.socket_addr)?;
+
+        let adb_command_string = adb_command.to_string();
+
+        let adb_request = format!(
+            "{}{}",
+            format!("{:04x}", adb_command_string.len()),
+            adb_command_string
+        );
+
+        tcp_stream.write_all(adb_request.as_bytes())?;
+
+        let mut request_status = [0; 4];
+        tcp_stream.read_exact(&mut request_status)?;
+
+        match AdbRequestStatus::from_str(String::from_utf8(request_status.to_vec())?.as_str())? {
+            AdbRequestStatus::Okay => {
+                // Read 4 bytes length
+                // Read exact length
+
+                let mut body: Vec<u8> = Vec::new();
+                tcp_stream.read_to_end(&mut body)?;
+
+                Ok(body)
+            }
+            AdbRequestStatus::Fail => Err(RustADBError::ADBRequestFailed),
+        }
+    }
+}
+
+impl Default for AdbTcpConnexion {
+    fn default() -> Self {
+        let default_port: u16 = 5037;
+        let default_address = Ipv4Addr::new(127, 0, 0, 1);
+
+        Self {
+            socket_addr: SocketAddrV4::new(default_address, default_port),
+            address: default_address,
+            port: default_port,
+        }
+    }
+}
+
+impl AdbCommandProvider for AdbTcpConnexion {
+    fn version(&self) -> Result<()> {
+        let version = self.proxy_connexion(AdbCommand::Version)?;
+
+        println!("Version: {:?}", version.to_ascii_uppercase());
+
+        Ok(())
+    }
+
+    fn devices(&self) -> Result<Vec<Device>> {
+        let devices = self.proxy_connexion(AdbCommand::Devices)?;
+
+        let mut vec_devices: Vec<Device> = vec![];
+        for device in devices.split(|x| x.eq(&b'\n')) {
+            if device.is_empty() {
+                break;
+            }
+
+            let mut iter = device.split(|x| x.eq(&b'\t'));
+            let identifier = iter.next().unwrap();
+            let state = iter.next().unwrap();
+
+            vec_devices.push(Device {
+                identifier: String::from_utf8(identifier.to_ascii_lowercase()).unwrap(),
+                state: DeviceState::from_str(
+                    &String::from_utf8(state.to_ascii_lowercase()).unwrap(),
+                )?,
+            });
+        }
+
+        Ok(vec_devices)
+    }
+
+    fn devices_long(&self) -> Result<Vec<Device>> {
+        let devices_long = self.proxy_connexion(AdbCommand::DevicesLong)?;
+
+        // Split at '\n' (lines())
+        // Split at '\t'
+        // Identifier = [0]
+        // Device state = [1]
+
+        println!(
+            "Devices long: {:?}",
+            std::str::from_utf8(&devices_long.to_ascii_lowercase())
+        );
+
+        Ok(vec![])
+    }
+}
diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..33fe195
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,19 @@
+use thiserror::Error;
+
+pub type Result<T> = std::result::Result<T, RustADBError>;
+
+#[derive(Error, Debug)]
+pub enum RustADBError {
+    #[error(transparent)]
+    IOError(#[from] std::io::Error),
+    #[error("ADB request failed")]
+    ADBRequestFailed,
+    #[error("Unknown result type {0}")]
+    UnknownResultType(String),
+    #[error("Unknown device state {0}")]
+    UnknownDeviceState(String),
+    #[error(transparent)]
+    Utf8Error(#[from] std::string::FromUtf8Error),
+    #[error(transparent)]
+    AddrParseError(#[from] std::net::AddrParseError),
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..0f77ae2
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,8 @@
+mod adb_tcp_connexion;
+mod error;
+mod models;
+mod traits;
+pub use adb_tcp_connexion::AdbTcpConnexion;
+pub use error::{Result, RustADBError};
+pub use models::{Device, DeviceState};
+pub use traits::AdbCommandProvider;
diff --git a/src/models/adb_command.rs b/src/models/adb_command.rs
new file mode 100644
index 0000000..01d9fa1
--- /dev/null
+++ b/src/models/adb_command.rs
@@ -0,0 +1,15 @@
+pub enum AdbCommand {
+    Version,
+    Devices,
+    DevicesLong,
+}
+
+impl ToString for AdbCommand {
+    fn to_string(&self) -> String {
+        match self {
+            AdbCommand::Version => "host:version".into(),
+            AdbCommand::Devices => "host:devices".into(),
+            AdbCommand::DevicesLong => "host:devices-l".into(),
+        }
+    }
+}
diff --git a/src/models/adb_request_status.rs b/src/models/adb_request_status.rs
new file mode 100644
index 0000000..60c68e3
--- /dev/null
+++ b/src/models/adb_request_status.rs
@@ -0,0 +1,21 @@
+use std::str::FromStr;
+
+use crate::RustADBError;
+
+pub enum AdbRequestStatus {
+    Okay,
+    Fail,
+}
+
+impl FromStr for AdbRequestStatus {
+    type Err = RustADBError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let lowercased = s.to_ascii_lowercase();
+        match lowercased.as_str() {
+            "okay" => Ok(Self::Okay),
+            "fail" => Ok(Self::Fail),
+            _ => Err(RustADBError::UnknownResultType(lowercased)),
+        }
+    }
+}
diff --git a/src/models/device.rs b/src/models/device.rs
new file mode 100644
index 0000000..56b1120
--- /dev/null
+++ b/src/models/device.rs
@@ -0,0 +1,6 @@
+use crate::DeviceState;
+
+pub struct Device {
+    pub identifier: String,
+    pub state: DeviceState,
+}
diff --git a/src/models/device_state.rs b/src/models/device_state.rs
new file mode 100644
index 0000000..10c6830
--- /dev/null
+++ b/src/models/device_state.rs
@@ -0,0 +1,33 @@
+use std::{fmt::Display, str::FromStr};
+
+use crate::RustADBError;
+
+pub enum DeviceState {
+    Offline,
+    Device,
+    NoDevice,
+}
+
+impl Display for DeviceState {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            DeviceState::Offline => write!(f, "offline"),
+            DeviceState::Device => write!(f, "device"),
+            DeviceState::NoDevice => write!(f, "no device"),
+        }
+    }
+}
+
+impl FromStr for DeviceState {
+    type Err = RustADBError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let lowercased = s.to_ascii_lowercase();
+        match lowercased.as_str() {
+            "offline" => Ok(Self::Offline),
+            "device" => Ok(Self::Device),
+            "no device" => Ok(Self::NoDevice),
+            _ => Err(RustADBError::UnknownDeviceState(lowercased)),
+        }
+    }
+}
diff --git a/src/models/mod.rs b/src/models/mod.rs
new file mode 100644
index 0000000..f2e16ac
--- /dev/null
+++ b/src/models/mod.rs
@@ -0,0 +1,9 @@
+mod adb_command;
+mod adb_request_status;
+mod device;
+mod device_state;
+
+pub use adb_command::AdbCommand;
+pub use adb_request_status::AdbRequestStatus;
+pub use device::Device;
+pub use device_state::DeviceState;
diff --git a/src/traits/adb_command_provider.rs b/src/traits/adb_command_provider.rs
new file mode 100644
index 0000000..e096351
--- /dev/null
+++ b/src/traits/adb_command_provider.rs
@@ -0,0 +1,11 @@
+use crate::{Device, Result};
+
+/// Represents the property to serve ADB commands.
+pub trait AdbCommandProvider {
+    /// Gets server's internal version number.
+    fn version(&self) -> Result<()>;
+    /// Gets a list of connected devices.
+    fn devices(&self) -> Result<Vec<Device>>;
+    /// Gets an extended list of connected devices including the device paths in the state.
+    fn devices_long(&self) -> Result<Vec<Device>>;
+}
diff --git a/src/traits/mod.rs b/src/traits/mod.rs
new file mode 100644
index 0000000..d293a3c
--- /dev/null
+++ b/src/traits/mod.rs
@@ -0,0 +1,2 @@
+mod adb_command_provider;
+pub use adb_command_provider::AdbCommandProvider;
diff --git a/tests/tests.rs b/tests/tests.rs
new file mode 100644
index 0000000..d700d31
--- /dev/null
+++ b/tests/tests.rs
@@ -0,0 +1,29 @@
+#[cfg(test)]
+mod tests {
+    use adb_client::AdbCommandProvider;
+    use adb_client::AdbTcpConnexion;
+
+    #[test]
+    fn test_version() {
+        let adb = AdbTcpConnexion::new();
+        adb.version().unwrap();
+    }
+
+    #[test]
+    fn test_devices() {
+        let adb = AdbTcpConnexion::new();
+        adb.devices().unwrap();
+    }
+
+    #[test]
+    fn test_devices_long() {
+        let adb = AdbTcpConnexion::new();
+        adb.devices_long().unwrap();
+    }
+
+    #[test]
+    #[should_panic]
+    fn test_wrong_addr() {
+        let _ = AdbTcpConnexion::new().address("127.0.0.300").unwrap();
+    }
+}