68 lines
1.9 KiB
Common Lisp
68 lines
1.9 KiB
Common Lisp
|
#!/usr/bin/env -S sbcl --script
|
||
|
|
|
||
|
|
(load "~/.local/share/common-lisp/quicklisp/setup.lisp")
|
||
|
|
(ql:quickload "uiop")
|
||
|
|
(ql:quickload "usocket")
|
||
|
|
|
||
|
|
(defun err(errno &optional str)
|
||
|
|
(case errno
|
||
|
|
(1 (format t "lsm: Unknown argument ~A.~%Try \"lsm help\" for commands.~%" str))
|
||
|
|
(2 (format t "lsm: lsmd returned error: ~&~A~%" str))
|
||
|
|
(3 (format t "lsm: Unable to connect to lsmd: ~A~%" str))
|
||
|
|
)
|
||
|
|
(sb-ext:exit :code errno)
|
||
|
|
)
|
||
|
|
|
||
|
|
(defun help()
|
||
|
|
(format t "Usage: lsm <directive> [service]
|
||
|
|
Start, stop, and manage daemons as <service> monitored by lsm.
|
||
|
|
Valid directives:
|
||
|
|
help show this help page.
|
||
|
|
start <service> start a service.
|
||
|
|
stop <service> stop a service.
|
||
|
|
restart <service> restart a service.
|
||
|
|
status [service] show service status & log, or general session status.~%")
|
||
|
|
)
|
||
|
|
|
||
|
|
(defun talk(addr port message)
|
||
|
|
(let* ((socket (usocket:socket-connect addr port))
|
||
|
|
(stream (usocket:socket-stream socket)))
|
||
|
|
(write-line message stream)
|
||
|
|
(force-output stream)
|
||
|
|
(loop for input = (read-line stream nil :eof)
|
||
|
|
until (eq input :eof)
|
||
|
|
do
|
||
|
|
(cond ((string= "0" input)
|
||
|
|
nil)
|
||
|
|
((find #\@ input)
|
||
|
|
(let* ((result (uiop:split-string input :separator "@"))
|
||
|
|
(retn (parse-integer (pop result)))
|
||
|
|
(rets (pop result)))
|
||
|
|
(cond ((plusp retn)
|
||
|
|
(err 2 rets)))
|
||
|
|
(cond (rets
|
||
|
|
(format t rets)
|
||
|
|
(terpri)))))
|
||
|
|
(t
|
||
|
|
(format t input)
|
||
|
|
(terpri))))
|
||
|
|
(close stream)
|
||
|
|
(usocket:socket-close socket))
|
||
|
|
)
|
||
|
|
|
||
|
|
(defun run()
|
||
|
|
(let* ((args (uiop:command-line-arguments))
|
||
|
|
(directive (pop args)))
|
||
|
|
(cond ((string= directive "help")
|
||
|
|
(help))
|
||
|
|
((or (string= directive "start")
|
||
|
|
(string= directive "stop")
|
||
|
|
(string= directive "restart")
|
||
|
|
(string= directive "status"))
|
||
|
|
(handler-case
|
||
|
|
(talk "127.0.0.1" 42024 (concatenate 'string directive " " (pop args)))
|
||
|
|
(usocket:connection-refused-error (c)
|
||
|
|
(err 3 (write-to-string c)))))
|
||
|
|
(t (err 1 directive))))
|
||
|
|
)
|