Extract acp_connection

This commit is contained in:
Agus Zubiaga 2025-07-28 18:32:30 -03:00
parent 0f395df9a8
commit ced3d09f10
11 changed files with 305 additions and 415 deletions

4
Cargo.lock generated
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@ -138,7 +138,9 @@ dependencies = [
[[package]]
name = "agent-client-protocol"
version = "0.0.12"
version = "0.0.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4255a06cc2414033d1fe4baf1968bcc8f16d7e5814f272b97779b5806d129142"
dependencies = [
"schemars",
"serde",

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@ -413,7 +413,7 @@ zlog_settings = { path = "crates/zlog_settings" }
#
agentic-coding-protocol = "0.0.10"
agent-client-protocol = {path="../agent-client-protocol"}
agent-client-protocol = "0.0.13"
aho-corasick = "1.1"
alacritty_terminal = { git = "https://github.com/zed-industries/alacritty.git", branch = "add-hush-login-flag" }
any_vec = "0.14"

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@ -616,6 +616,7 @@ impl Error for LoadError {}
impl AcpThread {
pub fn new(
title: impl Into<SharedString>,
connection: Rc<dyn AgentConnection>,
project: Entity<Project>,
session_id: acp::SessionId,
@ -628,7 +629,7 @@ impl AcpThread {
shared_buffers: Default::default(),
entries: Default::default(),
plan: Default::default(),
title: connection.name().into(),
title: title.into(),
project,
send_task: None,
connection,

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@ -9,8 +9,6 @@ use ui::App;
use crate::AcpThread;
pub trait AgentConnection {
fn name(&self) -> &'static str;
fn new_thread(
self: Rc<Self>,
project: Entity<Project>,

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@ -367,10 +367,6 @@ pub struct OldAcpAgentConnection {
}
impl AgentConnection for OldAcpAgentConnection {
fn name(&self) -> &'static str {
self.name
}
fn new_thread(
self: Rc<Self>,
project: Entity<Project>,
@ -394,7 +390,7 @@ impl AgentConnection for OldAcpAgentConnection {
cx.update(|cx| {
let thread = cx.new(|cx| {
let session_id = acp::SessionId("acp-old-no-id".into());
AcpThread::new(self.clone(), project, session_id, cx)
AcpThread::new("Gemini", self.clone(), project, session_id, cx)
});
thread
})

0
crates/agent_servers/acp Normal file
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@ -0,0 +1,256 @@
use agent_client_protocol as acp;
use anyhow::anyhow;
use collections::HashMap;
use context_server::listener::McpServerTool;
use context_server::types::requests;
use context_server::{ContextServer, ContextServerCommand, ContextServerId};
use futures::channel::{mpsc, oneshot};
use project::Project;
use smol::stream::StreamExt as _;
use std::cell::RefCell;
use std::rc::Rc;
use std::{path::Path, sync::Arc};
use util::ResultExt;
use anyhow::{Context, Result};
use gpui::{App, AppContext as _, AsyncApp, Entity, Task, WeakEntity};
use crate::mcp_server::ZedMcpServer;
use crate::{AgentServerCommand, mcp_server};
use acp_thread::{AcpThread, AgentConnection};
pub struct AcpConnection {
server_name: &'static str,
client: Arc<context_server::ContextServer>,
sessions: Rc<RefCell<HashMap<acp::SessionId, AcpSession>>>,
_notification_handler_task: Task<()>,
}
impl AcpConnection {
pub async fn stdio(
server_name: &'static str,
command: AgentServerCommand,
cx: &mut AsyncApp,
) -> Result<Self> {
let client: Arc<ContextServer> = ContextServer::stdio(
ContextServerId(format!("{}-mcp-server", server_name).into()),
ContextServerCommand {
path: command.path,
args: command.args,
env: command.env,
},
)
.into();
ContextServer::start(client.clone(), cx).await?;
let (notification_tx, mut notification_rx) = mpsc::unbounded();
client
.client()
.context("Failed to subscribe")?
.on_notification(acp::AGENT_METHODS.session_update, {
move |notification, _cx| {
let notification_tx = notification_tx.clone();
log::trace!(
"ACP Notification: {}",
serde_json::to_string_pretty(&notification).unwrap()
);
if let Some(notification) =
serde_json::from_value::<acp::SessionNotification>(notification).log_err()
{
notification_tx.unbounded_send(notification).ok();
}
}
});
let sessions = Rc::new(RefCell::new(HashMap::default()));
let notification_handler_task = cx.spawn({
let sessions = sessions.clone();
async move |cx| {
while let Some(notification) = notification_rx.next().await {
Self::handle_session_notification(notification, sessions.clone(), cx)
}
}
});
Ok(Self {
server_name,
client,
sessions,
_notification_handler_task: notification_handler_task,
})
}
pub fn handle_session_notification(
notification: acp::SessionNotification,
threads: Rc<RefCell<HashMap<acp::SessionId, AcpSession>>>,
cx: &mut AsyncApp,
) {
let threads = threads.borrow();
let Some(thread) = threads
.get(&notification.session_id)
.and_then(|session| session.thread.upgrade())
else {
log::error!(
"Thread not found for session ID: {}",
notification.session_id
);
return;
};
thread
.update(cx, |thread, cx| {
thread.handle_session_update(notification.update, cx)
})
.log_err();
}
}
pub struct AcpSession {
thread: WeakEntity<AcpThread>,
cancel_tx: Option<oneshot::Sender<()>>,
_mcp_server: ZedMcpServer,
}
impl AgentConnection for AcpConnection {
fn new_thread(
self: Rc<Self>,
project: Entity<Project>,
cwd: &Path,
cx: &mut AsyncApp,
) -> Task<Result<Entity<AcpThread>>> {
let client = self.client.client();
let sessions = self.sessions.clone();
let cwd = cwd.to_path_buf();
cx.spawn(async move |cx| {
let client = client.context("MCP server is not initialized yet")?;
let (mut thread_tx, thread_rx) = watch::channel(WeakEntity::new_invalid());
let mcp_server = ZedMcpServer::new(thread_rx, cx).await?;
let response = client
.request::<requests::CallTool>(context_server::types::CallToolParams {
name: acp::AGENT_METHODS.new_session.into(),
arguments: Some(serde_json::to_value(acp::NewSessionArguments {
mcp_servers: vec![mcp_server.server_config()?],
client_tools: acp::ClientTools {
request_permission: Some(acp::McpToolId {
mcp_server: mcp_server::SERVER_NAME.into(),
tool_name: mcp_server::RequestPermissionTool::NAME.into(),
}),
read_text_file: Some(acp::McpToolId {
mcp_server: mcp_server::SERVER_NAME.into(),
tool_name: mcp_server::ReadTextFileTool::NAME.into(),
}),
write_text_file: Some(acp::McpToolId {
mcp_server: mcp_server::SERVER_NAME.into(),
tool_name: mcp_server::WriteTextFileTool::NAME.into(),
}),
},
cwd,
})?),
meta: None,
})
.await?;
if response.is_error.unwrap_or_default() {
return Err(anyhow!(response.text_contents()));
}
let result = serde_json::from_value::<acp::NewSessionOutput>(
response.structured_content.context("Empty response")?,
)?;
let thread = cx.new(|cx| {
AcpThread::new(
self.server_name,
self.clone(),
project,
result.session_id.clone(),
cx,
)
})?;
thread_tx.send(thread.downgrade())?;
let session = AcpSession {
thread: thread.downgrade(),
cancel_tx: None,
_mcp_server: mcp_server,
};
sessions.borrow_mut().insert(result.session_id, session);
Ok(thread)
})
}
fn authenticate(&self, _cx: &mut App) -> Task<Result<()>> {
Task::ready(Err(anyhow!("Authentication not supported")))
}
fn prompt(
&self,
params: agent_client_protocol::PromptArguments,
cx: &mut App,
) -> Task<Result<()>> {
let client = self.client.client();
let sessions = self.sessions.clone();
cx.foreground_executor().spawn(async move {
let client = client.context("MCP server is not initialized yet")?;
let (new_cancel_tx, cancel_rx) = oneshot::channel();
{
let mut sessions = sessions.borrow_mut();
let session = sessions
.get_mut(&params.session_id)
.context("Session not found")?;
session.cancel_tx.replace(new_cancel_tx);
}
let result = client
.request_with::<requests::CallTool>(
context_server::types::CallToolParams {
name: acp::AGENT_METHODS.prompt.into(),
arguments: Some(serde_json::to_value(params)?),
meta: None,
},
Some(cancel_rx),
None,
)
.await;
if let Err(err) = &result
&& err.is::<context_server::client::RequestCanceled>()
{
return Ok(());
}
let response = result?;
if response.is_error.unwrap_or_default() {
return Err(anyhow!(response.text_contents()));
}
Ok(())
})
}
fn cancel(&self, session_id: &agent_client_protocol::SessionId, _cx: &mut App) {
let mut sessions = self.sessions.borrow_mut();
if let Some(cancel_tx) = sessions
.get_mut(session_id)
.and_then(|session| session.cancel_tx.take())
{
cancel_tx.send(()).ok();
}
}
}
impl Drop for AcpConnection {
fn drop(&mut self) {
self.client.stop().log_err();
}
}

View file

@ -1,3 +1,4 @@
mod acp_connection;
mod claude;
mod codex;
mod gemini;

View file

@ -70,10 +70,6 @@ struct ClaudeAgentConnection {
}
impl AgentConnection for ClaudeAgentConnection {
fn name(&self) -> &'static str {
ClaudeCode.name()
}
fn new_thread(
self: Rc<Self>,
project: Entity<Project>,
@ -168,8 +164,9 @@ impl AgentConnection for ClaudeAgentConnection {
}
});
let thread =
cx.new(|cx| AcpThread::new(self.clone(), project, session_id.clone(), cx))?;
let thread = cx.new(|cx| {
AcpThread::new("Claude Code", self.clone(), project, session_id.clone(), cx)
})?;
thread_tx.send(thread.downgrade())?;

View file

@ -1,24 +1,14 @@
use agent_client_protocol as acp;
use anyhow::anyhow;
use collections::HashMap;
use context_server::listener::McpServerTool;
use context_server::types::requests;
use context_server::{ContextServer, ContextServerCommand, ContextServerId};
use futures::channel::{mpsc, oneshot};
use project::Project;
use settings::SettingsStore;
use smol::stream::StreamExt as _;
use std::cell::RefCell;
use std::path::Path;
use std::rc::Rc;
use std::{path::Path, sync::Arc};
use util::ResultExt;
use anyhow::{Context, Result};
use gpui::{App, AppContext as _, AsyncApp, Entity, Task, WeakEntity};
use anyhow::Result;
use gpui::{App, Entity, Task};
use crate::mcp_server::ZedMcpServer;
use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings, mcp_server};
use acp_thread::{AcpThread, AgentConnection};
use crate::acp_connection::AcpConnection;
use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings};
use acp_thread::AgentConnection;
#[derive(Clone)]
pub struct Codex;
@ -47,6 +37,7 @@ impl AgentServer for Codex {
cx: &mut App,
) -> Task<Result<Rc<dyn AgentConnection>>> {
let project = project.clone();
let server_name = self.name();
cx.spawn(async move |cx| {
let settings = cx.read_global(|settings: &SettingsStore, _| {
settings.get::<AllAgentServersSettings>(None).codex.clone()
@ -58,240 +49,12 @@ impl AgentServer for Codex {
anyhow::bail!("Failed to find codex binary");
};
let client: Arc<ContextServer> = ContextServer::stdio(
ContextServerId("codex-mcp-server".into()),
ContextServerCommand {
path: command.path,
args: command.args,
env: command.env,
},
)
.into();
ContextServer::start(client.clone(), cx).await?;
let (notification_tx, mut notification_rx) = mpsc::unbounded();
client
.client()
.context("Failed to subscribe")?
.on_notification(acp::AGENT_METHODS.session_update, {
move |notification, _cx| {
let notification_tx = notification_tx.clone();
log::trace!(
"ACP Notification: {}",
serde_json::to_string_pretty(&notification).unwrap()
);
if let Some(notification) =
serde_json::from_value::<acp::SessionNotification>(notification)
.log_err()
{
notification_tx.unbounded_send(notification).ok();
}
}
});
let sessions = Rc::new(RefCell::new(HashMap::default()));
let notification_handler_task = cx.spawn({
let sessions = sessions.clone();
async move |cx| {
while let Some(notification) = notification_rx.next().await {
CodexConnection::handle_session_notification(
notification,
sessions.clone(),
cx,
)
}
}
});
let connection = CodexConnection {
client,
sessions,
_notification_handler_task: notification_handler_task,
};
Ok(Rc::new(connection) as _)
let conn = AcpConnection::stdio(server_name, command, cx).await?;
Ok(Rc::new(conn) as _)
})
}
}
struct CodexConnection {
client: Arc<context_server::ContextServer>,
sessions: Rc<RefCell<HashMap<acp::SessionId, CodexSession>>>,
_notification_handler_task: Task<()>,
}
struct CodexSession {
thread: WeakEntity<AcpThread>,
cancel_tx: Option<oneshot::Sender<()>>,
_mcp_server: ZedMcpServer,
}
impl AgentConnection for CodexConnection {
fn name(&self) -> &'static str {
"Codex"
}
fn new_thread(
self: Rc<Self>,
project: Entity<Project>,
cwd: &Path,
cx: &mut AsyncApp,
) -> Task<Result<Entity<AcpThread>>> {
let client = self.client.client();
let sessions = self.sessions.clone();
let cwd = cwd.to_path_buf();
cx.spawn(async move |cx| {
let client = client.context("MCP server is not initialized yet")?;
let (mut thread_tx, thread_rx) = watch::channel(WeakEntity::new_invalid());
let mcp_server = ZedMcpServer::new(thread_rx, cx).await?;
let response = client
.request::<requests::CallTool>(context_server::types::CallToolParams {
name: acp::AGENT_METHODS.new_session.into(),
arguments: Some(serde_json::to_value(acp::NewSessionArguments {
mcp_servers: vec![mcp_server.server_config()?],
client_tools: acp::ClientTools {
request_permission: Some(acp::McpToolId {
mcp_server: mcp_server::SERVER_NAME.into(),
tool_name: mcp_server::RequestPermissionTool::NAME.into(),
}),
read_text_file: Some(acp::McpToolId {
mcp_server: mcp_server::SERVER_NAME.into(),
tool_name: mcp_server::ReadTextFileTool::NAME.into(),
}),
write_text_file: Some(acp::McpToolId {
mcp_server: mcp_server::SERVER_NAME.into(),
tool_name: mcp_server::WriteTextFileTool::NAME.into(),
}),
},
cwd,
})?),
meta: None,
})
.await?;
if response.is_error.unwrap_or_default() {
return Err(anyhow!(response.text_contents()));
}
let result = serde_json::from_value::<acp::NewSessionOutput>(
response.structured_content.context("Empty response")?,
)?;
let thread =
cx.new(|cx| AcpThread::new(self.clone(), project, result.session_id.clone(), cx))?;
thread_tx.send(thread.downgrade())?;
let session = CodexSession {
thread: thread.downgrade(),
cancel_tx: None,
_mcp_server: mcp_server,
};
sessions.borrow_mut().insert(result.session_id, session);
Ok(thread)
})
}
fn authenticate(&self, _cx: &mut App) -> Task<Result<()>> {
Task::ready(Err(anyhow!("Authentication not supported")))
}
fn prompt(
&self,
params: agent_client_protocol::PromptArguments,
cx: &mut App,
) -> Task<Result<()>> {
let client = self.client.client();
let sessions = self.sessions.clone();
cx.foreground_executor().spawn(async move {
let client = client.context("MCP server is not initialized yet")?;
let (new_cancel_tx, cancel_rx) = oneshot::channel();
{
let mut sessions = sessions.borrow_mut();
let session = sessions
.get_mut(&params.session_id)
.context("Session not found")?;
session.cancel_tx.replace(new_cancel_tx);
}
let result = client
.request_with::<requests::CallTool>(
context_server::types::CallToolParams {
name: acp::AGENT_METHODS.prompt.into(),
arguments: Some(serde_json::to_value(params)?),
meta: None,
},
Some(cancel_rx),
None,
)
.await;
if let Err(err) = &result
&& err.is::<context_server::client::RequestCanceled>()
{
return Ok(());
}
let response = result?;
if response.is_error.unwrap_or_default() {
return Err(anyhow!(response.text_contents()));
}
Ok(())
})
}
fn cancel(&self, session_id: &agent_client_protocol::SessionId, _cx: &mut App) {
let mut sessions = self.sessions.borrow_mut();
if let Some(cancel_tx) = sessions
.get_mut(session_id)
.and_then(|session| session.cancel_tx.take())
{
cancel_tx.send(()).ok();
}
}
}
impl CodexConnection {
pub fn handle_session_notification(
notification: acp::SessionNotification,
threads: Rc<RefCell<HashMap<acp::SessionId, CodexSession>>>,
cx: &mut AsyncApp,
) {
let threads = threads.borrow();
let Some(thread) = threads
.get(&notification.session_id)
.and_then(|session| session.thread.upgrade())
else {
log::error!(
"Thread not found for session ID: {}",
notification.session_id
);
return;
};
thread
.update(cx, |thread, cx| {
thread.handle_session_update(notification.update, cx)
})
.log_err();
}
}
impl Drop for CodexConnection {
fn drop(&mut self) {
self.client.stop().log_err();
}
}
#[cfg(test)]
pub(crate) mod tests {
use super::*;

View file

@ -1,25 +1,18 @@
use anyhow::anyhow;
use std::cell::RefCell;
use std::path::Path;
use std::rc::Rc;
use util::ResultExt as _;
use crate::{AgentServer, AgentServerCommand, AgentServerVersion};
use acp_thread::{AgentConnection, LoadError, OldAcpAgentConnection, OldAcpClientDelegate};
use agentic_coding_protocol as acp_old;
use anyhow::{Context as _, Result};
use gpui::{AppContext as _, AsyncApp, Entity, Task, WeakEntity};
use project::Project;
use settings::SettingsStore;
use ui::App;
use std::path::Path;
use std::rc::Rc;
use crate::AllAgentServersSettings;
use anyhow::Result;
use gpui::{App, Entity, Task};
use crate::acp_connection::AcpConnection;
use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings};
use acp_thread::AgentConnection;
#[derive(Clone)]
pub struct Gemini;
const ACP_ARG: &str = "--experimental-acp";
impl AgentServer for Gemini {
fn name(&self) -> &'static str {
"Gemini"
@ -39,166 +32,49 @@ impl AgentServer for Gemini {
fn connect(
&self,
root_dir: &Path,
_root_dir: &Path,
project: &Entity<Project>,
cx: &mut App,
) -> Task<Result<Rc<dyn AgentConnection>>> {
let root_dir = root_dir.to_path_buf();
let project = project.clone();
let this = self.clone();
let name = self.name();
let server_name = self.name();
cx.spawn(async move |cx| {
let command = this.command(&project, cx).await?;
let settings = cx.read_global(|settings: &SettingsStore, _| {
settings.get::<AllAgentServersSettings>(None).gemini.clone()
})?;
let mut child = util::command::new_smol_command(&command.path)
.args(command.args.iter())
.current_dir(root_dir)
.stdin(std::process::Stdio::piped())
.stdout(std::process::Stdio::piped())
.stderr(std::process::Stdio::inherit())
.kill_on_drop(true)
.spawn()?;
let Some(command) = AgentServerCommand::resolve(
"gemini",
&["--experimental-mcp"],
settings,
&project,
cx,
)
.await
else {
anyhow::bail!("Failed to find gemini binary");
};
let stdin = child.stdin.take().unwrap();
let stdout = child.stdout.take().unwrap();
let foreground_executor = cx.foreground_executor().clone();
let thread_rc = Rc::new(RefCell::new(WeakEntity::new_invalid()));
let (connection, io_fut) = acp_old::AgentConnection::connect_to_agent(
OldAcpClientDelegate::new(thread_rc.clone(), cx.clone()),
stdin,
stdout,
move |fut| foreground_executor.spawn(fut).detach(),
);
let io_task = cx.background_spawn(async move {
io_fut.await.log_err();
});
let child_status = cx.background_spawn(async move {
let result = match child.status().await {
Err(e) => Err(anyhow!(e)),
Ok(result) if result.success() => Ok(()),
Ok(result) => {
if let Some(AgentServerVersion::Unsupported {
error_message,
upgrade_message,
upgrade_command,
}) = this.version(&command).await.log_err()
{
Err(anyhow!(LoadError::Unsupported {
error_message,
upgrade_message,
upgrade_command
}))
} else {
Err(anyhow!(LoadError::Exited(result.code().unwrap_or(-127))))
}
}
};
drop(io_task);
result
});
let connection: Rc<dyn AgentConnection> = Rc::new(OldAcpAgentConnection {
name,
connection,
child_status,
});
Ok(connection)
let conn = AcpConnection::stdio(server_name, command, cx).await?;
Ok(Rc::new(conn) as _)
})
}
}
impl Gemini {
async fn command(
&self,
project: &Entity<Project>,
cx: &mut AsyncApp,
) -> Result<AgentServerCommand> {
let settings = cx.read_global(|settings: &SettingsStore, _| {
settings.get::<AllAgentServersSettings>(None).gemini.clone()
})?;
if let Some(command) =
AgentServerCommand::resolve("gemini", &[ACP_ARG], settings, &project, cx).await
{
return Ok(command);
};
let (fs, node_runtime) = project.update(cx, |project, _| {
(project.fs().clone(), project.node_runtime().cloned())
})?;
let node_runtime = node_runtime.context("gemini not found on path")?;
let directory = ::paths::agent_servers_dir().join("gemini");
fs.create_dir(&directory).await?;
node_runtime
.npm_install_packages(&directory, &[("@google/gemini-cli", "latest")])
.await?;
let path = directory.join("node_modules/.bin/gemini");
Ok(AgentServerCommand {
path,
args: vec![ACP_ARG.into()],
env: None,
})
}
async fn version(&self, command: &AgentServerCommand) -> Result<AgentServerVersion> {
let version_fut = util::command::new_smol_command(&command.path)
.args(command.args.iter())
.arg("--version")
.kill_on_drop(true)
.output();
let help_fut = util::command::new_smol_command(&command.path)
.args(command.args.iter())
.arg("--help")
.kill_on_drop(true)
.output();
let (version_output, help_output) = futures::future::join(version_fut, help_fut).await;
let current_version = String::from_utf8(version_output?.stdout)?;
let supported = String::from_utf8(help_output?.stdout)?.contains(ACP_ARG);
if supported {
Ok(AgentServerVersion::Supported)
} else {
Ok(AgentServerVersion::Unsupported {
error_message: format!(
"Your installed version of Gemini {} doesn't support the Agentic Coding Protocol (ACP).",
current_version
).into(),
upgrade_message: "Upgrade Gemini to Latest".into(),
upgrade_command: "npm install -g @google/gemini-cli@latest".into(),
})
}
}
}
#[cfg(test)]
pub(crate) mod tests {
use super::*;
use crate::AgentServerCommand;
use std::path::Path;
crate::common_e2e_tests!(Gemini, allow_option_id = "0");
crate::common_e2e_tests!(Gemini, allow_option_id = "allow");
pub fn local_command() -> AgentServerCommand {
let cli_path = Path::new(env!("CARGO_MANIFEST_DIR"))
.join("../../../gemini-cli/packages/cli")
.to_string_lossy()
.to_string();
let cli_path = Path::new(env!("CARGO_MANIFEST_DIR")).join("../../../gemini/packages/cli");
AgentServerCommand {
path: "node".into(),
args: vec![cli_path, ACP_ARG.into()],
args: vec![cli_path.to_string_lossy().to_string()],
env: None,
}
}