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Leave room when connection is dropped

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This commit is contained in:
Antonio Scandurra 2022-11-14 10:13:36 +01:00
parent 2145965749
commit 9902211af1
7 changed files with 184 additions and 235 deletions
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4
crates/call/src/room.rs
View File

@ -53,7 +53,7 @@ impl Entity for Room {
fn release(&mut self, _: &mut MutableAppContext) {
if self.status.is_online() {
self.client.send(proto::LeaveRoom { id: self.id }).log_err();
self.client.send(proto::LeaveRoom {}).log_err();
}
}
}
@ -241,7 +241,7 @@ impl Room {
self.participant_user_ids.clear();
self.subscriptions.clear();
self.live_kit.take();
self.client.send(proto::LeaveRoom { id: self.id })?;
self.client.send(proto::LeaveRoom {})?;
Ok(())
}

5
crates/collab/migrations.sqlite/20221109000000_test_schema.sql
View File

@ -43,7 +43,8 @@ CREATE TABLE "rooms" (
CREATE TABLE "projects" (
"id" INTEGER PRIMARY KEY,
"room_id" INTEGER REFERENCES rooms (id),
"host_user_id" INTEGER REFERENCES users (id) NOT NULL
"host_user_id" INTEGER REFERENCES users (id) NOT NULL,
"host_connection_id" INTEGER NOT NULL
);
CREATE TABLE "project_collaborators" (
@ -72,7 +73,7 @@ CREATE TABLE "room_participants" (
"location_kind" INTEGER,
"location_project_id" INTEGER REFERENCES projects (id),
"initial_project_id" INTEGER REFERENCES projects (id),
"calling_user_id" INTEGER NOT NULL REFERENCES users (id)
"calling_user_id" INTEGER NOT NULL REFERENCES users (id),
"calling_connection_id" INTEGER NOT NULL
);
CREATE UNIQUE INDEX "index_room_participants_on_user_id" ON "room_participants" ("user_id");

3
crates/collab/migrations/20221111092550_reconnection_support.sql
View File

@ -6,6 +6,7 @@ CREATE TABLE IF NOT EXISTS "rooms" (
ALTER TABLE "projects"
ADD "room_id" INTEGER REFERENCES rooms (id),
ADD "host_connection_id" INTEGER,
DROP COLUMN "unregistered";
CREATE TABLE "project_collaborators" (
@ -30,7 +31,7 @@ CREATE TABLE IF NOT EXISTS "room_participants" (
"id" SERIAL PRIMARY KEY,
"room_id" INTEGER NOT NULL REFERENCES rooms (id),
"user_id" INTEGER NOT NULL REFERENCES users (id),
"connection_id" INTEGER,
"answering_connection_id" INTEGER,
"location_kind" INTEGER,
"location_project_id" INTEGER REFERENCES projects (id),
"initial_project_id" INTEGER REFERENCES projects (id),

73
crates/collab/src/db.rs
View File

@ -907,14 +907,15 @@ where
sqlx::query(
"
INSERT INTO room_participants (room_id, user_id, connection_id, calling_user_id)
VALUES ($1, $2, $3, $4)
INSERT INTO room_participants (room_id, user_id, answering_connection_id, calling_user_id, calling_connection_id)
VALUES ($1, $2, $3, $4, $5)
",
)
.bind(room_id)
.bind(user_id)
.bind(connection_id.0 as i32)
.bind(user_id)
.bind(connection_id.0 as i32)
.execute(&mut tx)
.await?;
@ -926,6 +927,7 @@ where
&self,
room_id: RoomId,
calling_user_id: UserId,
calling_connection_id: ConnectionId,
called_user_id: UserId,
initial_project_id: Option<ProjectId>,
) -> Result<(proto::Room, proto::IncomingCall)> {
@ -933,13 +935,14 @@ where
let mut tx = self.pool.begin().await?;
sqlx::query(
"
INSERT INTO room_participants (room_id, user_id, calling_user_id, initial_project_id)
VALUES ($1, $2, $3, $4)
INSERT INTO room_participants (room_id, user_id, calling_user_id, calling_connection_id, initial_project_id)
VALUES ($1, $2, $3, $4, $5)
",
)
.bind(room_id)
.bind(called_user_id)
.bind(calling_user_id)
.bind(calling_connection_id.0 as i32)
.bind(initial_project_id)
.execute(&mut tx)
.await?;
@ -961,7 +964,7 @@ where
"
SELECT room_id
FROM room_participants
WHERE user_id = $1 AND connection_id IS NULL
WHERE user_id = $1 AND answering_connection_id IS NULL
",
)
.bind(user_id)
@ -1033,7 +1036,7 @@ where
sqlx::query(
"
DELETE FROM room_participants
WHERE room_id = $1 AND user_id = $2 AND connection_id IS NULL
WHERE room_id = $1 AND user_id = $2 AND answering_connection_id IS NULL
",
)
.bind(room_id)
@ -1056,7 +1059,7 @@ where
sqlx::query(
"
UPDATE room_participants
SET connection_id = $1
SET answering_connection_id = $1
WHERE room_id = $2 AND user_id = $3
RETURNING 1
",
@ -1070,36 +1073,31 @@ where
})
}
pub async fn leave_room(
&self,
room_id: RoomId,
connection_id: ConnectionId,
) -> Result<LeftRoom> {
pub async fn leave_room(&self, connection_id: ConnectionId) -> Result<Option<LeftRoom>> {
test_support!(self, {
let mut tx = self.pool.begin().await?;
// Leave room.
let user_id: UserId = sqlx::query_scalar(
let room_id = sqlx::query_scalar::<_, RoomId>(
"
DELETE FROM room_participants
WHERE room_id = $1 AND connection_id = $2
RETURNING user_id
WHERE answering_connection_id = $1
RETURNING room_id
",
)
.bind(room_id)
.bind(connection_id.0 as i32)
.fetch_one(&mut tx)
.fetch_optional(&mut tx)
.await?;
if let Some(room_id) = room_id {
// Cancel pending calls initiated by the leaving user.
let canceled_calls_to_user_ids: Vec<UserId> = sqlx::query_scalar(
"
DELETE FROM room_participants
WHERE calling_user_id = $1 AND connection_id IS NULL
WHERE calling_connection_id = $1 AND answering_connection_id IS NULL
RETURNING user_id
",
)
.bind(room_id)
.bind(connection_id.0 as i32)
.fetch_all(&mut tx)
.await?;
@ -1110,12 +1108,12 @@ where
FROM projects, project_collaborators
WHERE
projects.room_id = $1 AND
projects.host_user_id = $2 AND
projects.host_connection_id = $2 AND
projects.id = project_collaborators.project_id
",
)
.bind(room_id)
.bind(user_id)
.bind(connection_id.0 as i32)
.fetch(&mut tx);
let mut left_projects = HashMap::default();
@ -1130,7 +1128,8 @@ where
connection_ids: Default::default(),
});
let collaborator_connection_id = ConnectionId(collaborator.connection_id as u32);
let collaborator_connection_id =
ConnectionId(collaborator.connection_id as u32);
if collaborator_connection_id != connection_id || collaborator.is_host {
left_project.connection_ids.push(collaborator_connection_id);
}
@ -1144,27 +1143,30 @@ where
sqlx::query(
"
DELETE FROM projects
WHERE room_id = $1 AND host_user_id = $2
WHERE room_id = $1 AND host_connection_id = $2
",
)
.bind(room_id)
.bind(user_id)
.bind(connection_id.0 as i32)
.execute(&mut tx)
.await?;
let room = self.commit_room_transaction(room_id, tx).await?;
Ok(LeftRoom {
Ok(Some(LeftRoom {
room,
left_projects,
canceled_calls_to_user_ids,
})
}))
} else {
Ok(None)
}
})
}
pub async fn update_room_participant_location(
&self,
room_id: RoomId,
user_id: UserId,
connection_id: ConnectionId,
location: proto::ParticipantLocation,
) -> Result<proto::Room> {
test_support!(self, {
@ -1194,13 +1196,13 @@ where
"
UPDATE room_participants
SET location_kind = $1 AND location_project_id = $2
WHERE room_id = $1 AND user_id = $2
WHERE room_id = $3 AND answering_connection_id = $4
",
)
.bind(location_kind)
.bind(location_project_id)
.bind(room_id)
.bind(user_id)
.bind(connection_id.0 as i32)
.execute(&mut tx)
.await?;
@ -1248,7 +1250,7 @@ where
let mut db_participants =
sqlx::query_as::<_, (UserId, Option<i32>, Option<i32>, Option<ProjectId>, UserId, Option<ProjectId>)>(
"
SELECT user_id, connection_id, location_kind, location_project_id, calling_user_id, initial_project_id
SELECT user_id, answering_connection_id, location_kind, location_project_id, calling_user_id, initial_project_id
FROM room_participants
WHERE room_id = $1
",
@ -1261,16 +1263,16 @@ where
while let Some(participant) = db_participants.next().await {
let (
user_id,
connection_id,
answering_connection_id,
_location_kind,
_location_project_id,
calling_user_id,
initial_project_id,
) = participant?;
if let Some(connection_id) = connection_id {
if let Some(answering_connection_id) = answering_connection_id {
participants.push(proto::Participant {
user_id: user_id.to_proto(),
peer_id: connection_id as u32,
peer_id: answering_connection_id as u32,
projects: Default::default(),
location: Some(proto::ParticipantLocation {
variant: Some(proto::participant_location::Variant::External(
@ -1339,12 +1341,13 @@ where
let mut tx = self.pool.begin().await?;
let project_id = sqlx::query_scalar(
"
INSERT INTO projects (host_user_id, room_id)
VALUES ($1)
INSERT INTO projects (host_user_id, host_connection_id, room_id)
VALUES ($1, $2, $3)
RETURNING id
",
)
.bind(user_id)
.bind(connection_id.0 as i32)
.bind(room_id)
.fetch_one(&mut tx)
.await

178
crates/collab/src/rpc.rs
View File

@ -415,7 +415,7 @@ impl Server {
drop(foreground_message_handlers);
tracing::info!(%user_id, %login, %connection_id, %address, "signing out");
if let Err(error) = this.sign_out(connection_id).await {
if let Err(error) = this.sign_out(connection_id, user_id).await {
tracing::error!(%user_id, %login, %connection_id, %address, ?error, "error signing out");
}
@ -424,69 +424,15 @@ impl Server {
}
#[instrument(skip(self), err)]
async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> Result<()> {
async fn sign_out(
self: &mut Arc<Self>,
connection_id: ConnectionId,
user_id: UserId,
) -> Result<()> {
self.peer.disconnect(connection_id);
let mut projects_to_unshare = Vec::new();
let mut contacts_to_update = HashSet::default();
let mut room_left = None;
{
let removed_connection = self.store().await.remove_connection(connection_id)?;
self.app_state.db.remove_connection(connection_id);
for project in removed_connection.hosted_projects {
projects_to_unshare.push(project.id);
broadcast(connection_id, project.guests.keys().copied(), |conn_id| {
self.peer.send(
conn_id,
proto::UnshareProject {
project_id: project.id.to_proto(),
},
)
});
}
for project in removed_connection.guest_projects {
broadcast(connection_id, project.connection_ids, |conn_id| {
self.peer.send(
conn_id,
proto::RemoveProjectCollaborator {
project_id: project.id.to_proto(),
peer_id: connection_id.0,
},
)
});
}
if let Some(room) = removed_connection.room {
self.room_updated(&room);
room_left = Some(self.room_left(&room, connection_id));
}
contacts_to_update.insert(removed_connection.user_id);
for connection_id in removed_connection.canceled_call_connection_ids {
self.peer
.send(connection_id, proto::CallCanceled {})
.trace_err();
contacts_to_update.extend(store.user_id_for_connection(connection_id).ok());
}
};
if let Some(room_left) = room_left {
room_left.await.trace_err();
}
for user_id in contacts_to_update {
self.update_user_contacts(user_id).await.trace_err();
}
for project_id in projects_to_unshare {
self.app_state
.db
.unshare_project(project_id)
.await
.trace_err();
}
self.store().await.remove_connection(connection_id)?;
self.leave_room_for_connection(connection_id, user_id)
.await?;
Ok(())
}
@ -653,66 +599,90 @@ impl Server {
}
async fn leave_room(self: Arc<Server>, message: Message<proto::LeaveRoom>) -> Result<()> {
self.leave_room_for_connection(message.sender_connection_id, message.sender_user_id)
.await
}
async fn leave_room_for_connection(
self: &Arc<Server>,
connection_id: ConnectionId,
user_id: UserId,
) -> Result<()> {
let mut contacts_to_update = HashSet::default();
let left_room = self
.app_state
.db
.leave_room(
RoomId::from_proto(message.payload.id),
message.sender_connection_id,
)
.await?;
contacts_to_update.insert(message.sender_user_id);
let Some(left_room) = self.app_state.db.leave_room(connection_id).await? else {
return Err(anyhow!("no room to leave"))?;
};
contacts_to_update.insert(user_id);
for project in left_room.left_projects.into_values() {
if project.host_user_id == message.sender_user_id {
if project.host_user_id == user_id {
for connection_id in project.connection_ids {
self.peer.send(
self.peer
.send(
connection_id,
proto::UnshareProject {
project_id: project.id.to_proto(),
},
)?;
)
.trace_err();
}
} else {
for connection_id in project.connection_ids {
self.peer.send(
self.peer
.send(
connection_id,
proto::RemoveProjectCollaborator {
project_id: project.id.to_proto(),
peer_id: message.sender_connection_id.0,
peer_id: connection_id.0,
},
)?;
)
.trace_err();
}
self.peer.send(
message.sender_connection_id,
self.peer
.send(
connection_id,
proto::UnshareProject {
project_id: project.id.to_proto(),
},
)?;
)
.trace_err();
}
}
self.room_updated(&left_room.room);
{
let store = self.store().await;
for user_id in left_room.canceled_calls_to_user_ids {
for connection_id in store.connection_ids_for_user(user_id) {
for canceled_user_id in left_room.canceled_calls_to_user_ids {
for connection_id in store.connection_ids_for_user(canceled_user_id) {
self.peer
.send(connection_id, proto::CallCanceled {})
.trace_err();
}
contacts_to_update.insert(user_id);
contacts_to_update.insert(canceled_user_id);
}
}
self.room_left(&left_room.room, message.sender_connection_id)
for contact_user_id in contacts_to_update {
self.update_user_contacts(contact_user_id).await?;
}
if let Some(live_kit) = self.app_state.live_kit_client.as_ref() {
live_kit
.remove_participant(
left_room.room.live_kit_room.clone(),
connection_id.to_string(),
)
.await
.trace_err();
for user_id in contacts_to_update {
self.update_user_contacts(user_id).await?;
if left_room.room.participants.is_empty() {
live_kit
.delete_room(left_room.room.live_kit_room)
.await
.trace_err();
}
}
Ok(())
@ -725,6 +695,7 @@ impl Server {
) -> Result<()> {
let room_id = RoomId::from_proto(request.payload.room_id);
let calling_user_id = request.sender_user_id;
let calling_connection_id = request.sender_connection_id;
let called_user_id = UserId::from_proto(request.payload.called_user_id);
let initial_project_id = request
.payload
@ -742,7 +713,13 @@ impl Server {
let (room, incoming_call) = self
.app_state
.db
.call(room_id, calling_user_id, called_user_id, initial_project_id)
.call(
room_id,
calling_user_id,
calling_connection_id,
called_user_id,
initial_project_id,
)
.await?;
self.room_updated(&room);
self.update_user_contacts(called_user_id).await?;
@ -838,7 +815,7 @@ impl Server {
let room = self
.app_state
.db
.update_room_participant_location(room_id, request.sender_user_id, location)
.update_room_participant_location(room_id, request.sender_connection_id, location)
.await?;
self.room_updated(&room);
response.send(proto::Ack {})?;
@ -858,29 +835,6 @@ impl Server {
}
}
fn room_left(
&self,
room: &proto::Room,
connection_id: ConnectionId,
) -> impl Future<Output = Result<()>> {
let client = self.app_state.live_kit_client.clone();
let room_name = room.live_kit_room.clone();
let participant_count = room.participants.len();
async move {
if let Some(client) = client {
client
.remove_participant(room_name.clone(), connection_id.to_string())
.await?;
if participant_count == 0 {
client.delete_room(room_name).await?;
}
}
Ok(())
}
}
async fn share_project(
self: Arc<Server>,
request: Message<proto::ShareProject>,

10
crates/collab/src/rpc/store.rs
View File

@ -3,7 +3,7 @@ use anyhow::{anyhow, Result};
use collections::{btree_map, BTreeMap, BTreeSet, HashMap, HashSet};
use rpc::{proto, ConnectionId};
use serde::Serialize;
use std::{borrow::Cow, mem, path::PathBuf, str};
use std::{mem, path::PathBuf, str};
use tracing::instrument;
pub type RoomId = u64;
@ -135,14 +135,6 @@ impl Store {
Ok(())
}
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,

4
crates/rpc/proto/zed.proto
View File

@ -158,9 +158,7 @@ message JoinRoomResponse {
optional LiveKitConnectionInfo live_kit_connection_info = 2;
}
message LeaveRoom {
uint64 id = 1;
}
message LeaveRoom {}
message Room {
uint64 id = 1;