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Start work on requesting to join projects

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Co-authored-by: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Max Brunsfeld 2022-05-12 17:24:00 -07:00
parent e199b7e50e
commit be51a58311
25 changed files with 660 additions and 883 deletions
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218
crates/collab/src/rpc.rs
View file

@ -66,6 +66,11 @@ impl<R: RequestMessage> Response<R> {
self.server.peer.respond(self.receipt, payload)?;
Ok(())
}
fn into_receipt(self) -> Receipt<R> {
self.responded.store(true, SeqCst);
self.receipt
}
}
pub struct Server {
@ -115,10 +120,9 @@ impl Server {
.add_request_handler(Server::ping)
.add_request_handler(Server::register_project)
.add_message_handler(Server::unregister_project)
.add_request_handler(Server::share_project)
.add_message_handler(Server::unshare_project)
.add_request_handler(Server::join_project)
.add_message_handler(Server::leave_project)
.add_message_handler(Server::respond_to_join_project_request)
.add_request_handler(Server::register_worktree)
.add_message_handler(Server::unregister_worktree)
.add_request_handler(Server::update_worktree)
@ -336,12 +340,10 @@ impl Server {
let removed_connection = self.store_mut().await.remove_connection(connection_id)?;
for (project_id, project) in removed_connection.hosted_projects {
if let Some(share) = project.share {
broadcast(connection_id, share.guests.keys().copied(), |conn_id| {
self.peer
.send(conn_id, proto::UnshareProject { project_id })
});
}
broadcast(connection_id, project.guests.keys().copied(), |conn_id| {
self.peer
.send(conn_id, proto::UnregisterProject { project_id })
});
}
for (project_id, peer_ids) in removed_connection.guest_project_ids {
@ -402,20 +404,20 @@ impl Server {
Ok(())
}
async fn share_project(
self: Arc<Server>,
request: TypedEnvelope<proto::ShareProject>,
response: Response<proto::ShareProject>,
) -> Result<()> {
let user_id = {
let mut state = self.store_mut().await;
state.share_project(request.payload.project_id, request.sender_id)?;
state.user_id_for_connection(request.sender_id)?
};
self.update_user_contacts(user_id).await?;
response.send(proto::Ack {})?;
Ok(())
}
// async fn share_project(
// self: Arc<Server>,
// request: TypedEnvelope<proto::ShareProject>,
// response: Response<proto::ShareProject>,
// ) -> Result<()> {
// let user_id = {
// let mut state = self.store_mut().await;
// state.share_project(request.payload.project_id, request.sender_id)?;
// state.user_id_for_connection(request.sender_id)?
// };
// self.update_user_contacts(user_id).await?;
// response.send(proto::Ack {})?;
// Ok(())
// }
async fn update_user_contacts(self: &Arc<Server>, user_id: UserId) -> Result<()> {
let contacts = self.app_state.db.get_contacts(user_id).await?;
@ -447,24 +449,6 @@ impl Server {
Ok(())
}
async fn unshare_project(
self: Arc<Server>,
request: TypedEnvelope<proto::UnshareProject>,
) -> Result<()> {
let project_id = request.payload.project_id;
let project;
{
let mut state = self.store_mut().await;
project = state.unshare_project(project_id, request.sender_id)?;
broadcast(request.sender_id, project.connection_ids, |conn_id| {
self.peer
.send(conn_id, proto::UnshareProject { project_id })
});
}
self.update_user_contacts(project.host_user_id).await?;
Ok(())
}
async fn join_project(
self: Arc<Server>,
request: TypedEnvelope<proto::JoinProject>,
@ -473,9 +457,12 @@ impl Server {
let project_id = request.payload.project_id;
let host_user_id;
let guest_user_id;
let host_connection_id;
{
let state = self.store().await;
host_user_id = state.project(project_id)?.host_user_id;
let project = state.project(project_id)?;
host_user_id = project.host_user_id;
host_connection_id = project.host_connection_id;
guest_user_id = state.user_id_for_connection(request.sender_id)?;
};
@ -488,22 +475,71 @@ impl Server {
return Err(anyhow!("no such project"))?;
}
self.store_mut().await.request_join_project(
guest_user_id,
project_id,
response.into_receipt(),
)?;
self.peer.send(
host_connection_id,
proto::RequestJoinProject {
project_id,
requester_id: guest_user_id.to_proto(),
},
)?;
Ok(())
}
async fn respond_to_join_project_request(
self: Arc<Server>,
request: TypedEnvelope<proto::RespondToJoinProjectRequest>,
) -> Result<()> {
let host_user_id;
{
let state = &mut *self.store_mut().await;
let joined = state.join_project(request.sender_id, guest_user_id, project_id)?;
let share = joined.project.share()?;
let peer_count = share.guests.len();
let mut state = self.store_mut().await;
let project_id = request.payload.project_id;
let project = state.project(project_id)?;
if project.host_connection_id != request.sender_id {
Err(anyhow!("no such connection"))?;
}
host_user_id = project.host_user_id;
let guest_user_id = UserId::from_proto(request.payload.requester_id);
if !request.payload.allow {
let receipts = state
.deny_join_project_request(request.sender_id, guest_user_id, project_id)
.ok_or_else(|| anyhow!("no such request"))?;
for receipt in receipts {
self.peer.respond(
receipt,
proto::JoinProjectResponse {
variant: Some(proto::join_project_response::Variant::Decline(
proto::join_project_response::Decline {},
)),
},
)?;
}
return Ok(());
}
let (receipts_with_replica_ids, project) = state
.accept_join_project_request(request.sender_id, guest_user_id, project_id)
.ok_or_else(|| anyhow!("no such request"))?;
let peer_count = project.guests.len();
let mut collaborators = Vec::with_capacity(peer_count);
collaborators.push(proto::Collaborator {
peer_id: joined.project.host_connection_id.0,
peer_id: project.host_connection_id.0,
replica_id: 0,
user_id: joined.project.host_user_id.to_proto(),
user_id: project.host_user_id.to_proto(),
});
let worktrees = share
let worktrees = project
.worktrees
.iter()
.filter_map(|(id, shared_worktree)| {
let worktree = joined.project.worktrees.get(&id)?;
let worktree = project.worktrees.get(&id)?;
Some(proto::Worktree {
id: *id,
root_name: worktree.root_name.clone(),
@ -517,8 +553,8 @@ impl Server {
scan_id: shared_worktree.scan_id,
})
})
.collect();
for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
.collect::<Vec<_>>();
for (peer_conn_id, (peer_replica_id, peer_user_id)) in &project.guests {
if *peer_conn_id != request.sender_id {
collaborators.push(proto::Collaborator {
peer_id: peer_conn_id.0,
@ -527,30 +563,41 @@ impl Server {
});
}
}
broadcast(
request.sender_id,
joined.project.connection_ids(),
|conn_id| {
self.peer.send(
conn_id,
proto::AddProjectCollaborator {
project_id,
collaborator: Some(proto::Collaborator {
peer_id: request.sender_id.0,
replica_id: joined.replica_id as u32,
user_id: guest_user_id.to_proto(),
}),
},
)
},
);
response.send(proto::JoinProjectResponse {
worktrees,
replica_id: joined.replica_id as u32,
collaborators,
language_servers: joined.project.language_servers.clone(),
})?;
for conn_id in project.connection_ids() {
for (receipt, replica_id) in &receipts_with_replica_ids {
if conn_id != receipt.sender_id {
self.peer.send(
conn_id,
proto::AddProjectCollaborator {
project_id,
collaborator: Some(proto::Collaborator {
peer_id: receipt.sender_id.0,
replica_id: *replica_id as u32,
user_id: guest_user_id.to_proto(),
}),
},
)?;
}
}
}
for (receipt, replica_id) in receipts_with_replica_ids {
self.peer.respond(
receipt,
proto::JoinProjectResponse {
variant: Some(proto::join_project_response::Variant::Accept(
proto::join_project_response::Accept {
worktrees: worktrees.clone(),
replica_id: replica_id as u32,
collaborators: collaborators.clone(),
language_servers: project.language_servers.clone(),
},
)),
},
)?;
}
}
self.update_user_contacts(host_user_id).await?;
Ok(())
}
@ -599,6 +646,7 @@ impl Server {
Worktree {
root_name: request.payload.root_name.clone(),
visible: request.payload.visible,
..Default::default()
},
)?;
@ -2782,9 +2830,6 @@ mod tests {
let worktree = store
.project(project_id)
.unwrap()
.share
.as_ref()
.unwrap()
.worktrees
.get(&worktree_id.to_proto())
.unwrap();
@ -5055,7 +5100,7 @@ mod tests {
assert_eq!(
contacts(store),
[
("user_a", true, vec![("a", false, vec![])]),
("user_a", true, vec![("a", vec![])]),
("user_b", true, vec![]),
("user_c", true, vec![])
]
@ -5077,7 +5122,7 @@ mod tests {
assert_eq!(
contacts(store),
[
("user_a", true, vec![("a", true, vec![])]),
("user_a", true, vec![("a", vec![])]),
("user_b", true, vec![]),
("user_c", true, vec![])
]
@ -5093,7 +5138,7 @@ mod tests {
assert_eq!(
contacts(store),
[
("user_a", true, vec![("a", true, vec!["user_b"])]),
("user_a", true, vec![("a", vec!["user_b"])]),
("user_b", true, vec![]),
("user_c", true, vec![])
]
@ -5112,8 +5157,8 @@ mod tests {
assert_eq!(
contacts(store),
[
("user_a", true, vec![("a", true, vec!["user_b"])]),
("user_b", true, vec![("b", false, vec![])]),
("user_a", true, vec![("a", vec!["user_b"])]),
("user_b", true, vec![("b", vec![])]),
("user_c", true, vec![])
]
)
@ -5135,7 +5180,7 @@ mod tests {
contacts(store),
[
("user_a", true, vec![]),
("user_b", true, vec![("b", false, vec![])]),
("user_b", true, vec![("b", vec![])]),
("user_c", true, vec![])
]
)
@ -5151,7 +5196,7 @@ mod tests {
contacts(store),
[
("user_a", true, vec![]),
("user_b", true, vec![("b", false, vec![])]),
("user_b", true, vec![("b", vec![])]),
("user_c", false, vec![])
]
)
@ -5174,14 +5219,14 @@ mod tests {
contacts(store),
[
("user_a", true, vec![]),
("user_b", true, vec![("b", false, vec![])]),
("user_b", true, vec![("b", vec![])]),
("user_c", true, vec![])
]
)
});
}
fn contacts(user_store: &UserStore) -> Vec<(&str, bool, Vec<(&str, bool, Vec<&str>)>)> {
fn contacts(user_store: &UserStore) -> Vec<(&str, bool, Vec<(&str, Vec<&str>)>)> {
user_store
.contacts()
.iter()
@ -5192,7 +5237,6 @@ mod tests {
.map(|p| {
(
p.worktree_root_names[0].as_str(),
p.is_shared,
p.guests.iter().map(|p| p.github_login.as_str()).collect(),
)
})

312
crates/collab/src/rpc/store.rs
View file

@ -1,7 +1,7 @@
use crate::db::{self, ChannelId, UserId};
use anyhow::{anyhow, Result};
use collections::{BTreeMap, HashMap, HashSet};
use rpc::{proto, ConnectionId};
use rpc::{proto, ConnectionId, Receipt};
use std::{collections::hash_map, path::PathBuf};
use tracing::instrument;
@ -17,31 +17,24 @@ pub struct Store {
struct ConnectionState {
user_id: UserId,
projects: HashSet<u64>,
requested_projects: HashSet<u64>,
channels: HashSet<ChannelId>,
}
pub struct Project {
pub host_connection_id: ConnectionId,
pub host_user_id: UserId,
pub share: Option<ProjectShare>,
pub guests: HashMap<ConnectionId, (ReplicaId, UserId)>,
pub join_requests: HashMap<UserId, Vec<Receipt<proto::JoinProject>>>,
pub active_replica_ids: HashSet<ReplicaId>,
pub worktrees: HashMap<u64, Worktree>,
pub language_servers: Vec<proto::LanguageServer>,
}
#[derive(Default)]
pub struct Worktree {
pub root_name: String,
pub visible: bool,
}
#[derive(Default)]
pub struct ProjectShare {
pub guests: HashMap<ConnectionId, (ReplicaId, UserId)>,
pub active_replica_ids: HashSet<ReplicaId>,
pub worktrees: HashMap<u64, WorktreeShare>,
}
#[derive(Default)]
pub struct WorktreeShare {
pub entries: HashMap<u64, proto::Entry>,
pub diagnostic_summaries: BTreeMap<PathBuf, proto::DiagnosticSummary>,
pub scan_id: u64,
@ -62,18 +55,6 @@ pub struct RemovedConnectionState {
pub contact_ids: HashSet<UserId>,
}
pub struct JoinedProject<'a> {
pub replica_id: ReplicaId,
pub project: &'a Project,
}
pub struct SharedProject {}
pub struct UnsharedProject {
pub connection_ids: Vec<ConnectionId>,
pub host_user_id: UserId,
}
pub struct LeftProject {
pub connection_ids: Vec<ConnectionId>,
pub host_user_id: UserId,
@ -93,7 +74,7 @@ impl Store {
let mut shared_projects = 0;
for project in self.projects.values() {
registered_projects += 1;
if project.share.is_some() {
if !project.guests.is_empty() {
shared_projects += 1;
}
}
@ -112,6 +93,7 @@ impl Store {
ConnectionState {
user_id,
projects: Default::default(),
requested_projects: Default::default(),
channels: Default::default(),
},
);
@ -275,18 +257,15 @@ impl Store {
if project.host_user_id == user_id {
metadata.push(proto::ProjectMetadata {
id: project_id,
is_shared: project.share.is_some(),
worktree_root_names: project
.worktrees
.values()
.map(|worktree| worktree.root_name.clone())
.collect(),
guests: project
.share
.iter()
.flat_map(|share| {
share.guests.values().map(|(_, user_id)| user_id.to_proto())
})
.guests
.values()
.map(|(_, user_id)| user_id.to_proto())
.collect(),
});
}
@ -307,7 +286,9 @@ impl Store {
Project {
host_connection_id,
host_user_id,
share: None,
guests: Default::default(),
join_requests: Default::default(),
active_replica_ids: Default::default(),
worktrees: Default::default(),
language_servers: Default::default(),
},
@ -332,10 +313,6 @@ impl Store {
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id {
project.worktrees.insert(worktree_id, worktree);
if let Ok(share) = project.share_mut() {
share.worktrees.insert(worktree_id, Default::default());
}
Ok(())
} else {
Err(anyhow!("no such project"))?
@ -356,11 +333,9 @@ impl Store {
host_connection.projects.remove(&project_id);
}
if let Some(share) = &project.share {
for guest_connection in share.guests.keys() {
if let Some(connection) = self.connections.get_mut(&guest_connection) {
connection.projects.remove(&project_id);
}
for guest_connection in project.guests.keys() {
if let Some(connection) = self.connections.get_mut(&guest_connection) {
connection.projects.remove(&project_id);
}
}
@ -391,64 +366,7 @@ impl Store {
.worktrees
.remove(&worktree_id)
.ok_or_else(|| anyhow!("no such worktree"))?;
let mut guest_connection_ids = Vec::new();
if let Ok(share) = project.share_mut() {
guest_connection_ids.extend(share.guests.keys());
share.worktrees.remove(&worktree_id);
}
Ok((worktree, guest_connection_ids))
}
pub fn share_project(
&mut self,
project_id: u64,
connection_id: ConnectionId,
) -> Result<SharedProject> {
if let Some(project) = self.projects.get_mut(&project_id) {
if project.host_connection_id == connection_id {
let mut share = ProjectShare::default();
for worktree_id in project.worktrees.keys() {
share.worktrees.insert(*worktree_id, Default::default());
}
project.share = Some(share);
return Ok(SharedProject {});
}
}
Err(anyhow!("no such project"))?
}
pub fn unshare_project(
&mut self,
project_id: u64,
acting_connection_id: ConnectionId,
) -> Result<UnsharedProject> {
let project = if let Some(project) = self.projects.get_mut(&project_id) {
project
} else {
return Err(anyhow!("no such project"))?;
};
if project.host_connection_id != acting_connection_id {
return Err(anyhow!("not your project"))?;
}
let connection_ids = project.connection_ids();
if let Some(share) = project.share.take() {
for connection_id in share.guests.into_keys() {
if let Some(connection) = self.connections.get_mut(&connection_id) {
connection.projects.remove(&project_id);
}
}
Ok(UnsharedProject {
connection_ids,
host_user_id: project.host_user_id,
})
} else {
Err(anyhow!("project is not shared"))?
}
Ok((worktree, project.guest_connection_ids()))
}
pub fn update_diagnostic_summary(
@ -464,7 +382,6 @@ impl Store {
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id {
let worktree = project
.share_mut()?
.worktrees
.get_mut(&worktree_id)
.ok_or_else(|| anyhow!("no such worktree"))?;
@ -495,35 +412,77 @@ impl Store {
Err(anyhow!("no such project"))?
}
pub fn join_project(
pub fn request_join_project(
&mut self,
connection_id: ConnectionId,
user_id: UserId,
requester_id: UserId,
project_id: u64,
) -> Result<JoinedProject> {
receipt: Receipt<proto::JoinProject>,
) -> Result<()> {
let connection = self
.connections
.get_mut(&connection_id)
.get_mut(&receipt.sender_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
connection.requested_projects.insert(project_id);
project
.join_requests
.entry(requester_id)
.or_default()
.push(receipt);
Ok(())
}
let share = project.share_mut()?;
connection.projects.insert(project_id);
let mut replica_id = 1;
while share.active_replica_ids.contains(&replica_id) {
replica_id += 1;
pub fn deny_join_project_request(
&mut self,
responder_connection_id: ConnectionId,
requester_id: UserId,
project_id: u64,
) -> Option<Vec<Receipt<proto::JoinProject>>> {
let project = self.projects.get_mut(&project_id)?;
if responder_connection_id != project.host_connection_id {
return None;
}
share.active_replica_ids.insert(replica_id);
share.guests.insert(connection_id, (replica_id, user_id));
Ok(JoinedProject {
replica_id,
project: &self.projects[&project_id],
})
let receipts = project.join_requests.remove(&requester_id)?;
for receipt in &receipts {
let requester_connection = self.connections.get_mut(&receipt.sender_id)?;
requester_connection.requested_projects.remove(&project_id);
}
Some(receipts)
}
pub fn accept_join_project_request(
&mut self,
responder_connection_id: ConnectionId,
requester_id: UserId,
project_id: u64,
) -> Option<(Vec<(Receipt<proto::JoinProject>, ReplicaId)>, &Project)> {
let project = self.projects.get_mut(&project_id)?;
if responder_connection_id != project.host_connection_id {
return None;
}
let receipts = project.join_requests.remove(&requester_id)?;
let mut receipts_with_replica_ids = Vec::new();
for receipt in receipts {
let requester_connection = self.connections.get_mut(&receipt.sender_id)?;
requester_connection.requested_projects.remove(&project_id);
requester_connection.projects.insert(project_id);
let mut replica_id = 1;
while project.active_replica_ids.contains(&replica_id) {
replica_id += 1;
}
project.active_replica_ids.insert(replica_id);
project
.guests
.insert(receipt.sender_id, (replica_id, requester_id));
receipts_with_replica_ids.push((receipt, replica_id));
}
Some((receipts_with_replica_ids, project))
}
pub fn leave_project(
@ -535,15 +494,11 @@ impl Store {
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
let share = project
.share
.as_mut()
.ok_or_else(|| anyhow!("project is not shared"))?;
let (replica_id, _) = share
let (replica_id, _) = project
.guests
.remove(&connection_id)
.ok_or_else(|| anyhow!("cannot leave a project before joining it"))?;
share.active_replica_ids.remove(&replica_id);
project.active_replica_ids.remove(&replica_id);
if let Some(connection) = self.connections.get_mut(&connection_id) {
connection.projects.remove(&project_id);
@ -566,7 +521,6 @@ impl Store {
) -> Result<Vec<ConnectionId>> {
let project = self.write_project(project_id, connection_id)?;
let worktree = project
.share_mut()?
.worktrees
.get_mut(&worktree_id)
.ok_or_else(|| anyhow!("no such worktree"))?;
@ -611,12 +565,7 @@ impl Store {
.get(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id
|| project
.share
.as_ref()
.ok_or_else(|| anyhow!("project is not shared"))?
.guests
.contains_key(&connection_id)
|| project.guests.contains_key(&connection_id)
{
Ok(project)
} else {
@ -634,12 +583,7 @@ impl Store {
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id
|| project
.share
.as_ref()
.ok_or_else(|| anyhow!("project is not shared"))?
.guests
.contains_key(&connection_id)
|| project.guests.contains_key(&connection_id)
{
Ok(project)
} else {
@ -653,28 +597,21 @@ impl Store {
for project_id in &connection.projects {
let project = &self.projects.get(&project_id).unwrap();
if project.host_connection_id != *connection_id {
assert!(project
.share
.as_ref()
.unwrap()
.guests
.contains_key(connection_id));
assert!(project.guests.contains_key(connection_id));
}
if let Some(share) = project.share.as_ref() {
for (worktree_id, worktree) in share.worktrees.iter() {
let mut paths = HashMap::default();
for entry in worktree.entries.values() {
let prev_entry = paths.insert(&entry.path, entry);
assert_eq!(
prev_entry,
None,
"worktree {:?}, duplicate path for entries {:?} and {:?}",
worktree_id,
prev_entry.unwrap(),
entry
);
}
for (worktree_id, worktree) in project.worktrees.iter() {
let mut paths = HashMap::default();
for entry in worktree.entries.values() {
let prev_entry = paths.insert(&entry.path, entry);
assert_eq!(
prev_entry,
None,
"worktree {:?}, duplicate path for entries {:?} and {:?}",
worktree_id,
prev_entry.unwrap(),
entry
);
}
}
}
@ -702,21 +639,19 @@ impl Store {
let host_connection = self.connections.get(&project.host_connection_id).unwrap();
assert!(host_connection.projects.contains(project_id));
if let Some(share) = &project.share {
for guest_connection_id in share.guests.keys() {
let guest_connection = self.connections.get(guest_connection_id).unwrap();
assert!(guest_connection.projects.contains(project_id));
}
assert_eq!(share.active_replica_ids.len(), share.guests.len(),);
assert_eq!(
share.active_replica_ids,
share
.guests
.values()
.map(|(replica_id, _)| *replica_id)
.collect::<HashSet<_>>(),
);
for guest_connection_id in project.guests.keys() {
let guest_connection = self.connections.get(guest_connection_id).unwrap();
assert!(guest_connection.projects.contains(project_id));
}
assert_eq!(project.active_replica_ids.len(), project.guests.len(),);
assert_eq!(
project.active_replica_ids,
project
.guests
.values()
.map(|(replica_id, _)| *replica_id)
.collect::<HashSet<_>>(),
);
}
for (channel_id, channel) in &self.channels {
@ -730,38 +665,15 @@ impl Store {
impl Project {
pub fn guest_connection_ids(&self) -> Vec<ConnectionId> {
if let Some(share) = &self.share {
share.guests.keys().copied().collect()
} else {
Vec::new()
}
self.guests.keys().copied().collect()
}
pub fn connection_ids(&self) -> Vec<ConnectionId> {
if let Some(share) = &self.share {
share
.guests
.keys()
.copied()
.chain(Some(self.host_connection_id))
.collect()
} else {
vec![self.host_connection_id]
}
}
pub fn share(&self) -> Result<&ProjectShare> {
Ok(self
.share
.as_ref()
.ok_or_else(|| anyhow!("worktree is not shared"))?)
}
fn share_mut(&mut self) -> Result<&mut ProjectShare> {
Ok(self
.share
.as_mut()
.ok_or_else(|| anyhow!("worktree is not shared"))?)
self.guests
.keys()
.copied()
.chain(Some(self.host_connection_id))
.collect()
}
}