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80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* log.c - logging and debugging functions
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*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2008 by Aris Adamantiadis
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*
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* The SSH Library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* The SSH Library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the SSH Library; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include "libssh/priv.h"
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/**
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* @defgroup ssh_log SSH Logging
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*
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* @brief Logging functions for debugging and problem resolving
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*/
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/** \addtogroup ssh_log
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* @{ */
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/**
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* @brief Log a SSH event.
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*
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* @param session The SSH session.
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*
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* @param verbosity The verbosity of the event.
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*
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* @param format The format string of the log entry.
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*/
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void ssh_log(SSH_SESSION *session, int verbosity, const char *format, ...) {
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char buffer[1024];
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char indent[256];
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int min;
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va_list va;
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if (verbosity <= session->log_verbosity) {
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va_start(va, format);
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vsnprintf(buffer, sizeof(buffer), format, va);
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va_end(va);
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if (session->options->callbacks && session->options->callbacks->log_function) {
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session->options->callbacks->log_function(session, verbosity, buffer,
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session->options->callbacks->userdata);
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} else if (verbosity == SSH_LOG_FUNCTIONS) {
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if (session->log_indent > 255) {
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min = 255;
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} else {
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min = session->log_indent;
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}
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memset(indent, ' ', min);
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indent[min] = '\0';
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fprintf(stderr, "[func] %s%s\n", indent, buffer);
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} else {
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fprintf(stderr, "[%d] %s\n", verbosity, buffer);
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}
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}
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}
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/** @} */
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/* vim: set ts=2 sw=2 et cindent: */
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