Files
oak-gpui/crates/collab/src/rpc/store.rs
T

1145 lines
38 KiB
Rust

use crate::db::{self, ChannelId, ProjectId, UserId};
use anyhow::{anyhow, Result};
use collections::{btree_map, BTreeMap, BTreeSet, HashMap, HashSet};
use rpc::{proto, ConnectionId};
use serde::Serialize;
use std::{mem, path::PathBuf, str, time::Duration};
use time::OffsetDateTime;
use tracing::instrument;
use util::post_inc;
pub type RoomId = u64;
#[derive(Default, Serialize)]
pub struct Store {
connections: BTreeMap<ConnectionId, ConnectionState>,
connected_users: BTreeMap<UserId, ConnectedUser>,
next_room_id: RoomId,
rooms: BTreeMap<RoomId, proto::Room>,
projects: BTreeMap<ProjectId, Project>,
#[serde(skip)]
channels: BTreeMap<ChannelId, Channel>,
}
#[derive(Default, Serialize)]
struct ConnectedUser {
connection_ids: HashSet<ConnectionId>,
active_call: Option<Call>,
}
#[derive(Serialize)]
struct ConnectionState {
user_id: UserId,
admin: bool,
projects: BTreeSet<ProjectId>,
channels: HashSet<ChannelId>,
}
#[derive(Copy, Clone, Eq, PartialEq, Serialize)]
pub struct Call {
pub caller_user_id: UserId,
pub room_id: RoomId,
pub connection_id: Option<ConnectionId>,
pub initial_project_id: Option<ProjectId>,
}
#[derive(Serialize)]
pub struct Project {
pub id: ProjectId,
pub room_id: RoomId,
pub host_connection_id: ConnectionId,
pub host: Collaborator,
pub guests: HashMap<ConnectionId, Collaborator>,
pub active_replica_ids: HashSet<ReplicaId>,
pub worktrees: BTreeMap<u64, Worktree>,
pub language_servers: Vec<proto::LanguageServer>,
}
#[derive(Serialize)]
pub struct Collaborator {
pub replica_id: ReplicaId,
pub user_id: UserId,
#[serde(skip)]
pub last_activity: Option<OffsetDateTime>,
pub admin: bool,
}
#[derive(Default, Serialize)]
pub struct Worktree {
pub root_name: String,
pub visible: bool,
#[serde(skip)]
pub entries: BTreeMap<u64, proto::Entry>,
#[serde(skip)]
pub diagnostic_summaries: BTreeMap<PathBuf, proto::DiagnosticSummary>,
pub scan_id: u64,
pub is_complete: bool,
}
#[derive(Default)]
pub struct Channel {
pub connection_ids: HashSet<ConnectionId>,
}
pub type ReplicaId = u16;
#[derive(Default)]
pub struct RemovedConnectionState {
pub user_id: UserId,
pub hosted_projects: HashMap<ProjectId, Project>,
pub guest_project_ids: HashSet<ProjectId>,
pub contact_ids: HashSet<UserId>,
pub room_id: Option<RoomId>,
}
pub struct LeftProject {
pub id: ProjectId,
pub host_user_id: UserId,
pub host_connection_id: ConnectionId,
pub connection_ids: Vec<ConnectionId>,
pub remove_collaborator: bool,
}
pub struct LeftRoom<'a> {
pub room: &'a proto::Room,
pub unshared_projects: Vec<Project>,
pub left_projects: Vec<LeftProject>,
}
#[derive(Copy, Clone)]
pub struct Metrics {
pub connections: usize,
pub registered_projects: usize,
pub active_projects: usize,
pub shared_projects: usize,
}
impl Store {
pub fn metrics(&self) -> Metrics {
const ACTIVE_PROJECT_TIMEOUT: Duration = Duration::from_secs(60);
let active_window_start = OffsetDateTime::now_utc() - ACTIVE_PROJECT_TIMEOUT;
let connections = self.connections.values().filter(|c| !c.admin).count();
let mut registered_projects = 0;
let mut active_projects = 0;
let mut shared_projects = 0;
for project in self.projects.values() {
if let Some(connection) = self.connections.get(&project.host_connection_id) {
if !connection.admin {
registered_projects += 1;
if project.is_active_since(active_window_start) {
active_projects += 1;
if !project.guests.is_empty() {
shared_projects += 1;
}
}
}
}
}
Metrics {
connections,
registered_projects,
active_projects,
shared_projects,
}
}
#[instrument(skip(self))]
pub fn add_connection(
&mut self,
connection_id: ConnectionId,
user_id: UserId,
admin: bool,
) -> Option<proto::IncomingCall> {
self.connections.insert(
connection_id,
ConnectionState {
user_id,
admin,
projects: Default::default(),
channels: Default::default(),
},
);
let connected_user = self.connected_users.entry(user_id).or_default();
connected_user.connection_ids.insert(connection_id);
if let Some(active_call) = connected_user.active_call {
if active_call.connection_id.is_some() {
None
} else {
let room = self.room(active_call.room_id)?;
Some(proto::IncomingCall {
room_id: active_call.room_id,
caller_user_id: active_call.caller_user_id.to_proto(),
participant_user_ids: room
.participants
.iter()
.map(|participant| participant.user_id)
.collect(),
initial_project_id: active_call
.initial_project_id
.map(|project_id| project_id.to_proto()),
})
}
} else {
None
}
}
#[instrument(skip(self))]
pub fn remove_connection(
&mut self,
connection_id: ConnectionId,
) -> Result<RemovedConnectionState> {
let connection = self
.connections
.get_mut(&connection_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let user_id = connection.user_id;
let connection_projects = mem::take(&mut connection.projects);
let connection_channels = mem::take(&mut connection.channels);
let mut result = RemovedConnectionState {
user_id,
..Default::default()
};
// Leave all channels.
for channel_id in connection_channels {
self.leave_channel(connection_id, channel_id);
}
// Unshare and leave all projects.
for project_id in connection_projects {
if let Ok((_, project)) = self.unshare_project(project_id, connection_id) {
result.hosted_projects.insert(project_id, project);
} else if self.leave_project(project_id, connection_id).is_ok() {
result.guest_project_ids.insert(project_id);
}
}
let connected_user = self.connected_users.get_mut(&user_id).unwrap();
connected_user.connection_ids.remove(&connection_id);
if let Some(active_call) = connected_user.active_call.as_ref() {
if let Some(room) = self.rooms.get_mut(&active_call.room_id) {
let prev_participant_count = room.participants.len();
room.participants
.retain(|participant| participant.peer_id != connection_id.0);
if prev_participant_count == room.participants.len() {
if connected_user.connection_ids.is_empty() {
room.pending_user_ids
.retain(|pending_user_id| *pending_user_id != user_id.to_proto());
result.room_id = Some(active_call.room_id);
connected_user.active_call = None;
}
} else {
result.room_id = Some(active_call.room_id);
connected_user.active_call = None;
}
} else {
tracing::error!("disconnected user claims to be in a room that does not exist");
connected_user.active_call = None;
}
}
if connected_user.connection_ids.is_empty() {
self.connected_users.remove(&user_id);
}
self.connections.remove(&connection_id).unwrap();
Ok(result)
}
#[cfg(test)]
pub fn channel(&self, id: ChannelId) -> Option<&Channel> {
self.channels.get(&id)
}
pub fn join_channel(&mut self, connection_id: ConnectionId, channel_id: ChannelId) {
if let Some(connection) = self.connections.get_mut(&connection_id) {
connection.channels.insert(channel_id);
self.channels
.entry(channel_id)
.or_default()
.connection_ids
.insert(connection_id);
}
}
pub fn leave_channel(&mut self, connection_id: ConnectionId, channel_id: ChannelId) {
if let Some(connection) = self.connections.get_mut(&connection_id) {
connection.channels.remove(&channel_id);
if let btree_map::Entry::Occupied(mut entry) = self.channels.entry(channel_id) {
entry.get_mut().connection_ids.remove(&connection_id);
if entry.get_mut().connection_ids.is_empty() {
entry.remove();
}
}
}
}
pub fn user_id_for_connection(&self, connection_id: ConnectionId) -> Result<UserId> {
Ok(self
.connections
.get(&connection_id)
.ok_or_else(|| anyhow!("unknown connection"))?
.user_id)
}
pub fn connection_ids_for_user(
&self,
user_id: UserId,
) -> impl Iterator<Item = ConnectionId> + '_ {
self.connected_users
.get(&user_id)
.into_iter()
.map(|state| &state.connection_ids)
.flatten()
.copied()
}
pub fn is_user_online(&self, user_id: UserId) -> bool {
!self
.connected_users
.get(&user_id)
.unwrap_or(&Default::default())
.connection_ids
.is_empty()
}
pub fn build_initial_contacts_update(
&self,
contacts: Vec<db::Contact>,
) -> proto::UpdateContacts {
let mut update = proto::UpdateContacts::default();
for contact in contacts {
match contact {
db::Contact::Accepted {
user_id,
should_notify,
} => {
update
.contacts
.push(self.contact_for_user(user_id, should_notify));
}
db::Contact::Outgoing { user_id } => {
update.outgoing_requests.push(user_id.to_proto())
}
db::Contact::Incoming {
user_id,
should_notify,
} => update
.incoming_requests
.push(proto::IncomingContactRequest {
requester_id: user_id.to_proto(),
should_notify,
}),
}
}
update
}
pub fn contact_for_user(&self, user_id: UserId, should_notify: bool) -> proto::Contact {
proto::Contact {
user_id: user_id.to_proto(),
online: self.is_user_online(user_id),
should_notify,
}
}
pub fn create_room(&mut self, creator_connection_id: ConnectionId) -> Result<RoomId> {
let connection = self
.connections
.get_mut(&creator_connection_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let connected_user = self
.connected_users
.get_mut(&connection.user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
anyhow::ensure!(
connected_user.active_call.is_none(),
"can't create a room with an active call"
);
let mut room = proto::Room::default();
room.participants.push(proto::Participant {
user_id: connection.user_id.to_proto(),
peer_id: creator_connection_id.0,
project_ids: Default::default(),
location: Some(proto::ParticipantLocation {
variant: Some(proto::participant_location::Variant::External(
proto::participant_location::External {},
)),
}),
});
let room_id = post_inc(&mut self.next_room_id);
self.rooms.insert(room_id, room);
connected_user.active_call = Some(Call {
caller_user_id: connection.user_id,
room_id,
connection_id: Some(creator_connection_id),
initial_project_id: None,
});
Ok(room_id)
}
pub fn join_room(
&mut self,
room_id: RoomId,
connection_id: ConnectionId,
) -> Result<(&proto::Room, Vec<ConnectionId>)> {
let connection = self
.connections
.get_mut(&connection_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let user_id = connection.user_id;
let recipient_connection_ids = self.connection_ids_for_user(user_id).collect::<Vec<_>>();
let connected_user = self
.connected_users
.get_mut(&user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let active_call = connected_user
.active_call
.as_mut()
.ok_or_else(|| anyhow!("not being called"))?;
anyhow::ensure!(
active_call.room_id == room_id && active_call.connection_id.is_none(),
"not being called on this room"
);
let room = self
.rooms
.get_mut(&room_id)
.ok_or_else(|| anyhow!("no such room"))?;
anyhow::ensure!(
room.pending_user_ids.contains(&user_id.to_proto()),
anyhow!("no such room")
);
room.pending_user_ids
.retain(|pending| *pending != user_id.to_proto());
room.participants.push(proto::Participant {
user_id: user_id.to_proto(),
peer_id: connection_id.0,
project_ids: Default::default(),
location: Some(proto::ParticipantLocation {
variant: Some(proto::participant_location::Variant::External(
proto::participant_location::External {},
)),
}),
});
active_call.connection_id = Some(connection_id);
Ok((room, recipient_connection_ids))
}
pub fn leave_room(&mut self, room_id: RoomId, connection_id: ConnectionId) -> Result<LeftRoom> {
let connection = self
.connections
.get_mut(&connection_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let user_id = connection.user_id;
let connected_user = self
.connected_users
.get(&user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
anyhow::ensure!(
connected_user
.active_call
.map_or(false, |call| call.room_id == room_id
&& call.connection_id == Some(connection_id)),
"cannot leave a room before joining it"
);
// Given that users can only join one room at a time, we can safely unshare
// and leave all projects associated with the connection.
let mut unshared_projects = Vec::new();
let mut left_projects = Vec::new();
for project_id in connection.projects.clone() {
if let Ok((_, project)) = self.unshare_project(project_id, connection_id) {
unshared_projects.push(project);
} else if let Ok(project) = self.leave_project(project_id, connection_id) {
left_projects.push(project);
}
}
self.connected_users.get_mut(&user_id).unwrap().active_call = None;
let room = self
.rooms
.get_mut(&room_id)
.ok_or_else(|| anyhow!("no such room"))?;
room.participants
.retain(|participant| participant.peer_id != connection_id.0);
Ok(LeftRoom {
room,
unshared_projects,
left_projects,
})
}
pub fn room(&self, room_id: RoomId) -> Option<&proto::Room> {
self.rooms.get(&room_id)
}
pub fn call(
&mut self,
room_id: RoomId,
recipient_user_id: UserId,
initial_project_id: Option<ProjectId>,
from_connection_id: ConnectionId,
) -> Result<(&proto::Room, Vec<ConnectionId>, proto::IncomingCall)> {
let caller_user_id = self.user_id_for_connection(from_connection_id)?;
let recipient_connection_ids = self
.connection_ids_for_user(recipient_user_id)
.collect::<Vec<_>>();
let mut recipient = self
.connected_users
.get_mut(&recipient_user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
anyhow::ensure!(
recipient.active_call.is_none(),
"recipient is already on another call"
);
let room = self
.rooms
.get_mut(&room_id)
.ok_or_else(|| anyhow!("no such room"))?;
anyhow::ensure!(
room.participants
.iter()
.any(|participant| participant.peer_id == from_connection_id.0),
"no such room"
);
anyhow::ensure!(
room.pending_user_ids
.iter()
.all(|user_id| UserId::from_proto(*user_id) != recipient_user_id),
"cannot call the same user more than once"
);
room.pending_user_ids.push(recipient_user_id.to_proto());
if let Some(initial_project_id) = initial_project_id {
let project = self
.projects
.get(&initial_project_id)
.ok_or_else(|| anyhow!("no such project"))?;
anyhow::ensure!(project.room_id == room_id, "no such project");
}
recipient.active_call = Some(Call {
caller_user_id,
room_id,
connection_id: None,
initial_project_id,
});
Ok((
room,
recipient_connection_ids,
proto::IncomingCall {
room_id,
caller_user_id: caller_user_id.to_proto(),
participant_user_ids: room
.participants
.iter()
.map(|participant| participant.user_id)
.collect(),
initial_project_id: initial_project_id.map(|project_id| project_id.to_proto()),
},
))
}
pub fn call_failed(&mut self, room_id: RoomId, to_user_id: UserId) -> Result<&proto::Room> {
let mut recipient = self
.connected_users
.get_mut(&to_user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
anyhow::ensure!(recipient
.active_call
.map_or(false, |call| call.room_id == room_id
&& call.connection_id.is_none()));
recipient.active_call = None;
let room = self
.rooms
.get_mut(&room_id)
.ok_or_else(|| anyhow!("no such room"))?;
room.pending_user_ids
.retain(|user_id| UserId::from_proto(*user_id) != to_user_id);
Ok(room)
}
pub fn call_declined(
&mut self,
recipient_connection_id: ConnectionId,
) -> Result<(&proto::Room, Vec<ConnectionId>)> {
let recipient_user_id = self.user_id_for_connection(recipient_connection_id)?;
let recipient = self
.connected_users
.get_mut(&recipient_user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
if let Some(active_call) = recipient.active_call.take() {
let recipient_connection_ids = self
.connection_ids_for_user(recipient_user_id)
.collect::<Vec<_>>();
let room = self
.rooms
.get_mut(&active_call.room_id)
.ok_or_else(|| anyhow!("no such room"))?;
room.pending_user_ids
.retain(|user_id| UserId::from_proto(*user_id) != recipient_user_id);
Ok((room, recipient_connection_ids))
} else {
Err(anyhow!("user is not being called"))
}
}
pub fn update_participant_location(
&mut self,
room_id: RoomId,
location: proto::ParticipantLocation,
connection_id: ConnectionId,
) -> Result<&proto::Room> {
let room = self
.rooms
.get_mut(&room_id)
.ok_or_else(|| anyhow!("no such room"))?;
if let Some(proto::participant_location::Variant::Project(project)) =
location.variant.as_ref()
{
anyhow::ensure!(
room.participants
.iter()
.any(|participant| participant.project_ids.contains(&project.id)),
"no such project"
);
}
let participant = room
.participants
.iter_mut()
.find(|participant| participant.peer_id == connection_id.0)
.ok_or_else(|| anyhow!("no such room"))?;
participant.location = Some(location);
Ok(room)
}
pub fn share_project(
&mut self,
room_id: RoomId,
project_id: ProjectId,
host_connection_id: ConnectionId,
) -> Result<&proto::Room> {
let connection = self
.connections
.get_mut(&host_connection_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let room = self
.rooms
.get_mut(&room_id)
.ok_or_else(|| anyhow!("no such room"))?;
let participant = room
.participants
.iter_mut()
.find(|participant| participant.peer_id == host_connection_id.0)
.ok_or_else(|| anyhow!("no such room"))?;
participant.project_ids.push(project_id.to_proto());
connection.projects.insert(project_id);
self.projects.insert(
project_id,
Project {
id: project_id,
room_id,
host_connection_id,
host: Collaborator {
user_id: connection.user_id,
replica_id: 0,
last_activity: None,
admin: connection.admin,
},
guests: Default::default(),
active_replica_ids: Default::default(),
worktrees: Default::default(),
language_servers: Default::default(),
},
);
Ok(room)
}
pub fn unshare_project(
&mut self,
project_id: ProjectId,
connection_id: ConnectionId,
) -> Result<(&proto::Room, Project)> {
match self.projects.entry(project_id) {
btree_map::Entry::Occupied(e) => {
if e.get().host_connection_id == connection_id {
let project = e.remove();
if let Some(host_connection) = self.connections.get_mut(&connection_id) {
host_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);
}
}
let room = self
.rooms
.get_mut(&project.room_id)
.ok_or_else(|| anyhow!("no such room"))?;
let participant = room
.participants
.iter_mut()
.find(|participant| participant.peer_id == connection_id.0)
.ok_or_else(|| anyhow!("no such room"))?;
participant
.project_ids
.retain(|id| *id != project_id.to_proto());
Ok((room, project))
} else {
Err(anyhow!("no such project"))?
}
}
btree_map::Entry::Vacant(_) => Err(anyhow!("no such project"))?,
}
}
pub fn update_project(
&mut self,
project_id: ProjectId,
worktrees: &[proto::WorktreeMetadata],
connection_id: ConnectionId,
) -> Result<()> {
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id {
let mut old_worktrees = mem::take(&mut project.worktrees);
for worktree in worktrees {
if let Some(old_worktree) = old_worktrees.remove(&worktree.id) {
project.worktrees.insert(worktree.id, old_worktree);
} else {
project.worktrees.insert(
worktree.id,
Worktree {
root_name: worktree.root_name.clone(),
visible: worktree.visible,
..Default::default()
},
);
}
}
Ok(())
} else {
Err(anyhow!("no such project"))?
}
}
pub fn update_diagnostic_summary(
&mut self,
project_id: ProjectId,
worktree_id: u64,
connection_id: ConnectionId,
summary: proto::DiagnosticSummary,
) -> Result<Vec<ConnectionId>> {
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id {
let worktree = project
.worktrees
.get_mut(&worktree_id)
.ok_or_else(|| anyhow!("no such worktree"))?;
worktree
.diagnostic_summaries
.insert(summary.path.clone().into(), summary);
return Ok(project.connection_ids());
}
Err(anyhow!("no such worktree"))?
}
pub fn start_language_server(
&mut self,
project_id: ProjectId,
connection_id: ConnectionId,
language_server: proto::LanguageServer,
) -> Result<Vec<ConnectionId>> {
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id {
project.language_servers.push(language_server);
return Ok(project.connection_ids());
}
Err(anyhow!("no such project"))?
}
pub fn join_project(
&mut self,
requester_connection_id: ConnectionId,
project_id: ProjectId,
) -> Result<(&Project, ReplicaId)> {
let connection = self
.connections
.get_mut(&requester_connection_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let user = self
.connected_users
.get(&connection.user_id)
.ok_or_else(|| anyhow!("no such connection"))?;
let active_call = user.active_call.ok_or_else(|| anyhow!("no such project"))?;
anyhow::ensure!(
active_call.connection_id == Some(requester_connection_id),
"no such project"
);
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
anyhow::ensure!(project.room_id == active_call.room_id, "no such project");
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(
requester_connection_id,
Collaborator {
replica_id,
user_id: connection.user_id,
last_activity: Some(OffsetDateTime::now_utc()),
admin: connection.admin,
},
);
project.host.last_activity = Some(OffsetDateTime::now_utc());
Ok((project, replica_id))
}
pub fn leave_project(
&mut self,
project_id: ProjectId,
connection_id: ConnectionId,
) -> Result<LeftProject> {
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
// If the connection leaving the project is a collaborator, remove it.
let remove_collaborator = if let Some(guest) = project.guests.remove(&connection_id) {
project.active_replica_ids.remove(&guest.replica_id);
true
} else {
false
};
if let Some(connection) = self.connections.get_mut(&connection_id) {
connection.projects.remove(&project_id);
}
Ok(LeftProject {
id: project.id,
host_connection_id: project.host_connection_id,
host_user_id: project.host.user_id,
connection_ids: project.connection_ids(),
remove_collaborator,
})
}
#[allow(clippy::too_many_arguments)]
pub fn update_worktree(
&mut self,
connection_id: ConnectionId,
project_id: ProjectId,
worktree_id: u64,
worktree_root_name: &str,
removed_entries: &[u64],
updated_entries: &[proto::Entry],
scan_id: u64,
is_last_update: bool,
) -> Result<Vec<ConnectionId>> {
let project = self.write_project(project_id, connection_id)?;
let connection_ids = project.connection_ids();
let mut worktree = project.worktrees.entry(worktree_id).or_default();
worktree.root_name = worktree_root_name.to_string();
for entry_id in removed_entries {
worktree.entries.remove(entry_id);
}
for entry in updated_entries {
worktree.entries.insert(entry.id, entry.clone());
}
worktree.scan_id = scan_id;
worktree.is_complete = is_last_update;
Ok(connection_ids)
}
pub fn project_connection_ids(
&self,
project_id: ProjectId,
acting_connection_id: ConnectionId,
) -> Result<Vec<ConnectionId>> {
Ok(self
.read_project(project_id, acting_connection_id)?
.connection_ids())
}
pub fn channel_connection_ids(&self, channel_id: ChannelId) -> Result<Vec<ConnectionId>> {
Ok(self
.channels
.get(&channel_id)
.ok_or_else(|| anyhow!("no such channel"))?
.connection_ids())
}
pub fn project(&self, project_id: ProjectId) -> Result<&Project> {
self.projects
.get(&project_id)
.ok_or_else(|| anyhow!("no such project"))
}
pub fn register_project_activity(
&mut self,
project_id: ProjectId,
connection_id: ConnectionId,
) -> Result<()> {
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
let collaborator = if connection_id == project.host_connection_id {
&mut project.host
} else if let Some(guest) = project.guests.get_mut(&connection_id) {
guest
} else {
return Err(anyhow!("no such project"))?;
};
collaborator.last_activity = Some(OffsetDateTime::now_utc());
Ok(())
}
pub fn projects(&self) -> impl Iterator<Item = (&ProjectId, &Project)> {
self.projects.iter()
}
pub fn read_project(
&self,
project_id: ProjectId,
connection_id: ConnectionId,
) -> Result<&Project> {
let project = self
.projects
.get(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id
|| project.guests.contains_key(&connection_id)
{
Ok(project)
} else {
Err(anyhow!("no such project"))?
}
}
fn write_project(
&mut self,
project_id: ProjectId,
connection_id: ConnectionId,
) -> Result<&mut Project> {
let project = self
.projects
.get_mut(&project_id)
.ok_or_else(|| anyhow!("no such project"))?;
if project.host_connection_id == connection_id
|| project.guests.contains_key(&connection_id)
{
Ok(project)
} else {
Err(anyhow!("no such project"))?
}
}
#[cfg(test)]
pub fn check_invariants(&self) {
for (connection_id, connection) in &self.connections {
for project_id in &connection.projects {
let project = &self.projects.get(project_id).unwrap();
if project.host_connection_id != *connection_id {
assert!(project.guests.contains_key(connection_id));
}
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
);
}
}
}
for channel_id in &connection.channels {
let channel = self.channels.get(channel_id).unwrap();
assert!(channel.connection_ids.contains(connection_id));
}
assert!(self
.connected_users
.get(&connection.user_id)
.unwrap()
.connection_ids
.contains(connection_id));
}
for (user_id, state) in &self.connected_users {
for connection_id in &state.connection_ids {
assert_eq!(
self.connections.get(connection_id).unwrap().user_id,
*user_id
);
}
if let Some(active_call) = state.active_call.as_ref() {
if let Some(active_call_connection_id) = active_call.connection_id {
assert!(
state.connection_ids.contains(&active_call_connection_id),
"call is active on a dead connection"
);
assert!(
state.connection_ids.contains(&active_call_connection_id),
"call is active on a dead connection"
);
}
}
}
for (room_id, room) in &self.rooms {
for pending_user_id in &room.pending_user_ids {
assert!(
self.connected_users
.contains_key(&UserId::from_proto(*pending_user_id)),
"call is active on a user that has disconnected"
);
}
for participant in &room.participants {
assert!(
self.connections
.contains_key(&ConnectionId(participant.peer_id)),
"room contains participant that has disconnected"
);
for project_id in &participant.project_ids {
let project = &self.projects[&ProjectId::from_proto(*project_id)];
assert_eq!(
project.room_id, *room_id,
"project was shared on a different room"
);
}
}
}
for (project_id, project) in &self.projects {
let host_connection = self.connections.get(&project.host_connection_id).unwrap();
assert!(host_connection.projects.contains(project_id));
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(|guest| guest.replica_id)
.collect::<HashSet<_>>(),
);
let room = &self.rooms[&project.room_id];
let room_participant = room
.participants
.iter()
.find(|participant| participant.peer_id == project.host_connection_id.0)
.unwrap();
assert!(
room_participant
.project_ids
.contains(&project_id.to_proto()),
"project was not shared in room"
);
}
for (channel_id, channel) in &self.channels {
for connection_id in &channel.connection_ids {
let connection = self.connections.get(connection_id).unwrap();
assert!(connection.channels.contains(channel_id));
}
}
}
}
impl Project {
fn is_active_since(&self, start_time: OffsetDateTime) -> bool {
self.guests
.values()
.chain([&self.host])
.any(|collaborator| {
collaborator
.last_activity
.map_or(false, |active_time| active_time > start_time)
})
}
pub fn guest_connection_ids(&self) -> Vec<ConnectionId> {
self.guests.keys().copied().collect()
}
pub fn connection_ids(&self) -> Vec<ConnectionId> {
self.guests
.keys()
.copied()
.chain(Some(self.host_connection_id))
.collect()
}
}
impl Channel {
fn connection_ids(&self) -> Vec<ConnectionId> {
self.connection_ids.iter().copied().collect()
}
}