feat: add framebuffer method to USB/TCP direct devices

adb_cli/src/commands/mod.rs

@@ -7,5 +7,5 @@ mod usb;
 pub use emu::EmuCommand;
 pub use host::{HostCommand, MdnsCommand};
 pub use local::LocalCommand;
-pub use tcp::{TcpCommand, TcpCommands};
-pub use usb::{UsbCommand, UsbCommands};
+pub use tcp::TcpCommand;
+pub use usb::{DeviceCommands, UsbCommand};

adb_cli/src/commands/tcp.rs

@@ -1,44 +1,11 @@
-use std::net::SocketAddr;
-use std::path::PathBuf;
-
 use clap::Parser;
+use std::net::SocketAddr;
 
-use crate::models::RebootTypeCommand;
+use super::DeviceCommands;
 
 #[derive(Parser, Debug)]
 pub struct TcpCommand {
     pub address: SocketAddr,
     #[clap(subcommand)]
-    pub commands: TcpCommands,
-}
-
-#[derive(Parser, Debug)]
-pub enum TcpCommands {
-    /// Spawn an interactive shell or run a list of commands on the device
-    Shell { commands: Vec<String> },
-    /// Pull a file from device
-    Pull { source: String, destination: String },
-    /// Push a file on device
-    Push { filename: String, path: String },
-    /// Stat a file on device
-    Stat { path: String },
-    /// Run an activity on device specified by the intent
-    Run {
-        /// The package whose activity is to be invoked
-        #[clap(short = 'p', long = "package")]
-        package: String,
-        /// The activity to be invoked itself, Usually it is MainActivity
-        #[clap(short = 'a', long = "activity")]
-        activity: String,
-    },
-    /// Reboot the device
-    Reboot {
-        #[clap(subcommand)]
-        reboot_type: RebootTypeCommand,
-    },
-    /// Install an APK on device
-    Install {
-        /// Path to APK file. Extension must be ".apk"
-        path: PathBuf,
-    },
+    pub commands: DeviceCommands,
 }

adb_cli/src/commands/usb.rs

@@ -21,11 +21,11 @@ pub struct UsbCommand {
     #[clap(short = 'k', long = "private-key")]
     pub path_to_private_key: Option<PathBuf>,
     #[clap(subcommand)]
-    pub commands: UsbCommands,
+    pub commands: DeviceCommands,
 }
 
 #[derive(Parser, Debug)]
-pub enum UsbCommands {
+pub enum DeviceCommands {
     /// Spawn an interactive shell or run a list of commands on the device
     Shell { commands: Vec<String> },
     /// Pull a file from device
@@ -53,4 +53,9 @@ pub enum UsbCommands {
         /// Path to APK file. Extension must be ".apk"
         path: PathBuf,
     },
+    /// Dump framebuffer of device
+    Framebuffer {
+        /// Framebuffer image destination path
+        path: String,
+    },
 }

adb_cli/src/main.rs

@@ -12,7 +12,7 @@ use adb_client::{
 };
 use anyhow::{anyhow, Result};
 use clap::Parser;
-use commands::{EmuCommand, HostCommand, LocalCommand, MdnsCommand, TcpCommands, UsbCommands};
+use commands::{DeviceCommands, EmuCommand, HostCommand, LocalCommand, MdnsCommand};
 use models::{Command, Opts};
 use std::fs::File;
 use std::io::Write;
@@ -226,7 +226,7 @@ fn main() -> Result<()> {
             };
 
             match usb.commands {
-                UsbCommands::Shell { commands } => {
+                DeviceCommands::Shell { commands } => {
                     if commands.is_empty() {
                         // Need to duplicate some code here as ADBTermios [Drop] implementation resets terminal state.
                         // Using a scope here would call drop() too early..
@@ -245,42 +245,43 @@ fn main() -> Result<()> {
                         device.shell_command(commands, std::io::stdout())?;
                     }
                 }
-                UsbCommands::Pull {
+                DeviceCommands::Pull {
                     source,
                     destination,
                 } => {
                     let mut output = File::create(Path::new(&destination))?;
                     device.pull(&source, &mut output)?;
                     log::info!("Downloaded {source} as {destination}");
                 }
-                UsbCommands::Stat { path } => {
+                DeviceCommands::Stat { path } => {
                     let stat_response = device.stat(&path)?;
                     println!("{}", stat_response);
                 }
-                UsbCommands::Reboot { reboot_type } => {
+                DeviceCommands::Reboot { reboot_type } => {
                     log::info!("Reboots device in mode {:?}", reboot_type);
                     device.reboot(reboot_type.into())?
                 }
-                UsbCommands::Push { filename, path } => {
+                DeviceCommands::Push { filename, path } => {
                     let mut input = File::open(Path::new(&filename))?;
                     device.push(&mut input, &path)?;
                     log::info!("Uploaded {filename} to {path}");
                 }
-                UsbCommands::Run { package, activity } => {
+                DeviceCommands::Run { package, activity } => {
                     let output = device.run_activity(&package, &activity)?;
                     std::io::stdout().write_all(&output)?;
                 }
-                UsbCommands::Install { path } => {
+                DeviceCommands::Install { path } => {
                     log::info!("Starting installation of APK {}...", path.display());
                     device.install(path)?;
                 }
+                DeviceCommands::Framebuffer { path } => device.framebuffer(path)?,
             }
         }
         Command::Tcp(tcp) => {
             let mut device = ADBTcpDevice::new(tcp.address)?;
 
             match tcp.commands {
-                TcpCommands::Shell { commands } => {
+                DeviceCommands::Shell { commands } => {
                     if commands.is_empty() {
                         // Need to duplicate some code here as ADBTermios [Drop] implementation resets terminal state.
                         // Using a scope here would call drop() too early..
@@ -299,35 +300,36 @@ fn main() -> Result<()> {
                         device.shell_command(commands, std::io::stdout())?;
                     }
                 }
-                TcpCommands::Pull {
+                DeviceCommands::Pull {
                     source,
                     destination,
                 } => {
                     let mut output = File::create(Path::new(&destination))?;
                     device.pull(&source, &mut output)?;
                     log::info!("Downloaded {source} as {destination}");
                 }
-                TcpCommands::Stat { path } => {
+                DeviceCommands::Stat { path } => {
                     let stat_response = device.stat(&path)?;
                     println!("{}", stat_response);
                 }
-                TcpCommands::Reboot { reboot_type } => {
+                DeviceCommands::Reboot { reboot_type } => {
                     log::info!("Reboots device in mode {:?}", reboot_type);
                     device.reboot(reboot_type.into())?
                 }
-                TcpCommands::Push { filename, path } => {
+                DeviceCommands::Push { filename, path } => {
                     let mut input = File::open(Path::new(&filename))?;
                     device.push(&mut input, &path)?;
                     log::info!("Uploaded {filename} to {path}");
                 }
-                TcpCommands::Run { package, activity } => {
+                DeviceCommands::Run { package, activity } => {
                     let output = device.run_activity(&package, &activity)?;
                     std::io::stdout().write_all(&output)?;
                 }
-                TcpCommands::Install { path } => {
+                DeviceCommands::Install { path } => {
                     log::info!("Starting installation of APK {}...", path.display());
                     device.install(path)?;
                 }
+                DeviceCommands::Framebuffer { path } => device.framebuffer(path)?,
             }
         }
         Command::MdnsDiscovery => {

adb_client/README.md

@@ -15,6 +15,20 @@ Add `adb_client` crate as a dependency by simply adding it to your `Cargo.toml`:
 adb_client = "*"
 ```
 
+## Benchmarks
+
+Benchmarks run on `v2.0.6`, on a **Samsung S10 SM-G973F** device and an **Intel i7-1265U** CPU laptop
+
+### `ADBServerDevice` push vs `adb push`
+
+`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>|
+
 ## Examples
 
 ### Get available ADB devices
@@ -84,7 +98,7 @@ let mut input = File::open(Path::new("/tmp/f")).expect("Cannot open file");
 device.push(&mut input, "/data/local/tmp");
 ```
 
-### (TCP) Get a shell from device
+#### (TCP) Get a shell from device
 
 ```rust no_run
 use std::net::{SocketAddr, IpAddr, Ipv4Addr};

adb_client/src/adb_device_ext.rs

@@ -1,4 +1,4 @@
-use std::io::{Read, Write};
+use std::io::{Read, Seek, Write};
 use std::path::Path;
 
 use crate::models::AdbStatResponse;
@@ -43,4 +43,12 @@ pub trait ADBDeviceExt {
 
     /// Install an APK pointed to by `apk_path` on device.
     fn install<P: AsRef<Path>>(&mut self, apk_path: P) -> Result<()>;
+
+    /// Dump framebuffer of this device into given path
+    fn framebuffer<P: AsRef<Path>>(&mut self, path: P) -> Result<()>;
+
+    /// Dump framebuffer of this device and return corresponding bytes.
+    ///
+    /// Output data format is currently only `PNG`.
+    fn framebuffer_bytes<W: Write + Seek>(&mut self, writer: W) -> Result<()>;
 }