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worker.ts
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157 lines (140 loc) · 4.39 KB
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import { Installation } from "@/installation"
import { Server } from "@/server/server"
import { Log } from "@/util/log"
import { Instance } from "@/project/instance"
import { InstanceBootstrap } from "@/project/bootstrap"
import { Rpc } from "@/util/rpc"
import { upgrade } from "@/cli/upgrade"
import { Config } from "@/config/config"
import { GlobalBus } from "@/bus/global"
import { createOpencodeClient, type Event } from "@opencode-ai/sdk/v2"
import type { BunWebSocketData } from "hono/bun"
import { Flag } from "@/flag/flag"
import { setTimeout as sleep } from "node:timers/promises"
await Log.init({
print: process.argv.includes("--print-logs"),
dev: Installation.isLocal(),
level: (() => {
if (Installation.isLocal()) return "DEBUG"
return "INFO"
})(),
})
process.on("unhandledRejection", (e) => {
Log.Default.error("rejection", {
e: e instanceof Error ? e.message : e,
})
})
process.on("uncaughtException", (e) => {
Log.Default.error("exception", {
e: e instanceof Error ? e.message : e,
})
})
// Subscribe to global events and forward them via RPC
GlobalBus.on("event", (event) => {
Rpc.emit("global.event", event)
})
let server: Bun.Server<BunWebSocketData> | undefined
const eventStream = {
abort: undefined as AbortController | undefined,
}
const startEventStream = (input: { directory: string; workspaceID?: string }) => {
if (eventStream.abort) eventStream.abort.abort()
const abort = new AbortController()
eventStream.abort = abort
const signal = abort.signal
const fetchFn = (async (input: RequestInfo | URL, init?: RequestInit) => {
const request = new Request(input, init)
const auth = getAuthorizationHeader()
if (auth) request.headers.set("Authorization", auth)
return Server.Default().fetch(request)
}) as typeof globalThis.fetch
const sdk = createOpencodeClient({
baseUrl: "http://opencode.internal",
directory: input.directory,
experimental_workspaceID: input.workspaceID,
fetch: fetchFn,
signal,
})
;(async () => {
while (!signal.aborted) {
const events = await Promise.resolve(
sdk.event.subscribe(
{},
{
signal,
},
),
).catch(() => undefined)
if (!events) {
await sleep(250)
continue
}
for await (const event of events.stream) {
Rpc.emit("event", event as Event)
}
if (!signal.aborted) {
await sleep(250)
}
}
})().catch((error) => {
Log.Default.error("event stream error", {
error: error instanceof Error ? error.message : error,
})
})
}
startEventStream({ directory: process.cwd() })
export const rpc = {
async fetch(input: { url: string; method: string; headers: Record<string, string>; body?: string }) {
const headers = { ...input.headers }
const auth = getAuthorizationHeader()
if (auth && !headers["authorization"] && !headers["Authorization"]) {
headers["Authorization"] = auth
}
const request = new Request(input.url, {
method: input.method,
headers,
body: input.body,
})
const response = await Server.Default().fetch(request)
const body = await response.text()
return {
status: response.status,
headers: Object.fromEntries(response.headers.entries()),
body,
}
},
async server(input: { port: number; hostname: string; mdns?: boolean; cors?: string[] }) {
if (server) await server.stop(true)
server = Server.listen(input)
return { url: server.url.toString() }
},
async checkUpgrade(input: { directory: string }) {
await Instance.provide({
directory: input.directory,
init: InstanceBootstrap,
fn: async () => {
await upgrade().catch(() => {})
},
})
},
async reload() {
Config.global.reset()
await Instance.disposeAll()
},
async setWorkspace(input: { workspaceID?: string }) {
startEventStream({ directory: process.cwd(), workspaceID: input.workspaceID })
},
async shutdown() {
Log.Default.info("worker shutting down")
if (eventStream.abort) eventStream.abort.abort()
await Instance.disposeAll()
if (server) server.stop(true)
},
}
Rpc.listen(rpc)
function getAuthorizationHeader(): string | undefined {
const password = Flag.OPENCODE_SERVER_PASSWORD
if (!password) return undefined
const username = Flag.OPENCODE_SERVER_USERNAME ?? "opencode"
return `Basic ${btoa(`${username}:${password}`)}`
}