A simple elisp tcp daytime server. See RFC 867. Try telnet localhost 10000.
Emacs22 or later (requires server-socket).
(defvar daytime-server-port 10000 "port of the daytime server") (defun daytime-server-start nil "starts an emacs daytime server" (interactive) (unless (process-status "daytime-server") (if (featurep 'make-network-process '(:server t)) (make-network-process :name "daytime-server" :buffer "*daytime-server*" :service daytime-server-port :family 'ipv4 :server t :noquery t :sentinel nil :filter (lambda (proc string) nil) :log 'daytime-server-log)))) (defun daytime-server-stop nil "stop an emacs daytime server" (interactive) (delete-process "daytime-server")) (defun daytime-server-log (server client message) (process-send-string client (concat (current-time-string) "\n")) (with-current-buffer "*daytime-server*" (goto-char (point-max)) (insert (current-time-string) (format " %s\n" client))) (delete-process client))