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;;; log.scm -- Guile-SSH logging procedures
;; Copyright (C) 2014 Artyom V. Poptsov <poptsov.artyom@gmail.com>
;;
;; This file is a part of Guile-SSH.
;;
;; Guile-SSH is free software: you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation, either version 3 of the
;; License, or (at your option) any later version.
;;
;; Guile-SSH is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Guile-SSH. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This module provides access to libssh logging facilities. These methods
;; are exported:
;;
;; %default-log-printer
;; %default-libssh-log-printer
;; current-logging-callback
;; set-logging-callback!
;; set-log-userdata!
;; get-log-userdata
;; set-log-verbosity!
;; get-log-verbosity
;; format-log
;;; Code:
(define-module (ssh log)
#:export (%default-log-printer
%default-libssh-log-printer
current-logging-callback
set-logging-callback!
set-log-userdata!
get-log-userdata
set-log-verbosity!
get-log-verbosity
format-log))
(define (%default-log-printer priority function message userdata)
"Default REPL-orented log printer for use with interactive Guile sessions
which comments out log messages with \";;; \""
(display ";;; " (current-error-port))
(%default-libssh-log-printer priority function message userdata))
(define (format-log priority procedure-name format-string . args)
"Write a formatted message to the libssh log with the given PRIORITY.
Priority is expected to be one of the following symbols: 'nolog, 'rare,
'protocol, 'packet, 'functions
Return value is undefined."
(let ((message (apply format #f format-string args)))
(%write-log priority procedure-name message)))
(unless (getenv "GUILE_SSH_CROSS_COMPILING")
(load-extension "libguile-ssh" "init_log_func")
;; Set the default log printer.
(set-logging-callback! %default-log-printer))
;;; log.scm ends here
|
