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Race safe user status (#5300)

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Signed-off-by: Denis Bykhov <bykhov.denis@gmail.com>
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Denis Bykhov 2024-04-10 20:26:00 +05:00 committed by GitHub
parent 9419278973
commit 64e0431a72
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1 changed files with 15 additions and 3 deletions
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18
server/ws/src/server.ts
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@ -64,6 +64,7 @@ export interface Timeouts {
}
class TSessionManager implements SessionManager {
private readonly statusPromises = new Map<string, Promise<void>>()
readonly workspaces = new Map<string, Workspace>()
checkInterval: any
@ -295,7 +296,7 @@ class TSessionManager implements SessionManager {
workspace.sessions.set(session.sessionId, { session, socket: ws })
// We do not need to wait for set-status, just return session to client
void ctx.with('set-status', {}, (ctx) => this.setStatus(ctx, session, true))
void ctx.with('set-status', {}, (ctx) => this.trySetStatus(ctx, session, true))
if (this.timeMinutes > 0) {
void ws.send(
@ -420,6 +421,17 @@ class TSessionManager implements SessionManager {
return workspace
}
private async trySetStatus (ctx: MeasureContext, session: Session, online: boolean): Promise<void> {
const current = this.statusPromises.get(session.getUser())
if (current !== undefined) {
await current
}
const promise = this.setStatus(ctx, session, online)
this.statusPromises.set(session.getUser(), promise)
await promise
this.statusPromises.delete(session.getUser())
}
private async setStatus (ctx: MeasureContext, session: Session, online: boolean): Promise<void> {
try {
const user = (
@ -475,7 +487,7 @@ class TSessionManager implements SessionManager {
const user = sessionRef.session.getUser()
const another = Array.from(workspace.sessions.values()).findIndex((p) => p.session.getUser() === user)
if (another === -1) {
await this.setStatus(workspace.context, sessionRef.session, false)
await this.trySetStatus(workspace.context, sessionRef.session, false)
}
if (!workspace.upgrade) {
// Wait some time for new client to appear before closing workspace.
@ -513,7 +525,7 @@ class TSessionManager implements SessionManager {
await this.sendUpgrade(workspace.context, webSocket, s.binaryResponseMode)
}
webSocket.close()
await this.setStatus(workspace.context, s, false)
await this.trySetStatus(workspace.context, s, false)
}
if (LOGGING_ENABLED) {