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/*
* log.c - logging and debugging functions
*
* This file is part of the SSH Library
*
* Copyright (c) 2008 by Aris Adamantiadis
*
* The SSH Library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The SSH Library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "libssh/priv.h"
#include "libssh/session.h"
/**
* @defgroup libssh_log The SSH logging functions.
* @ingroup libssh
*
* Logging functions for debugging and problem resolving.
*
* @{
*/
/**
* @brief Log a SSH event.
*
* @param session The SSH session.
*
* @param verbosity The verbosity of the event.
*
* @param format The format string of the log entry.
*/
void ssh_log(ssh_session session, int verbosity, const char *format, ...) {
char buffer[1024];
char indent[256];
int min;
va_list va;
if (verbosity <= session->log_verbosity) {
va_start(va, format);
vsnprintf(buffer, sizeof(buffer), format, va);
va_end(va);
if (session->callbacks && session->callbacks->log_function) {
session->callbacks->log_function(session, verbosity, buffer,
session->callbacks->userdata);
} else if (verbosity == SSH_LOG_FUNCTIONS) {
if (session->log_indent > 255) {
min = 255;
} else {
min = session->log_indent;
}
memset(indent, ' ', min);
indent[min] = '\0';
fprintf(stderr, "[func] %s%s\n", indent, buffer);
} else {
fprintf(stderr, "[%d] %s\n", verbosity, buffer);
}
}
}
/* @} */
/* vim: set ts=4 sw=4 et cindent: */
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