修雨
65ab1a3076
Turn `dws devapp robot connect` into a 7x24 background service. - `connect --daemon` re-execs dws into a detached supervisor (POSIX setsid), prints pid + log path, and exits. Windows is unsupported (stub errors out). - A supervisor process keeps a worker connector alive, restarting it with exponential backoff (1s..60s cap, 10 consecutive fast-failure ceiling). - `connect status` reports running/stale/not-running, pid, uptime and log path. - `connect stop` sends SIGTERM (worker releases the single-instance lock and Stream connection), escalates to SIGKILL on a timeout, and cleans the pid file. - stdout/stderr are archived to ~/.dws/connect/<clientId>/daemon.log via the existing size-based rotator (new additive logging.NewRotatingFile). - docs/connect-daemon-service.md ships launchd and systemd templates for boot-time auto-start. The single-instance lock (connect_lock.go) is reused unchanged. The foreground forwarding/session/knowledge logic is untouched; devapp_connect.go only gains the --daemon flag, two hidden re-exec flags, and the status/stop subcommands.
39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
// Copyright 2026 Alibaba Group
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !windows
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package helpers
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import (
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"os/exec"
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"syscall"
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)
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// daemonDetachSupported reports whether the current OS can detach a daemon.
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const daemonDetachSupported = true
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// detachSysProcAttr returns the SysProcAttr that detaches a child from the
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// controlling terminal: Setsid starts a new session so the child survives the
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// parent shell closing (no SIGHUP) and has no controlling tty. Used for the
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// `connect --daemon` re-exec. Unix-only; Windows uses the stub.
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func detachSysProcAttr() *syscall.SysProcAttr {
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return &syscall.SysProcAttr{Setsid: true}
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}
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// applyDetach configures cmd so it runs in its own session, detached from the
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// terminal.
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func applyDetach(cmd *exec.Cmd) {
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cmd.SysProcAttr = detachSysProcAttr()
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}
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