1/*
2 * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36#ifdef __WIN__
37#pragma warning(disable : 4996)
38#endif
39
40#if HAVE_CONFIG_H
41#  include <config.h>
42#endif				/* HAVE_CONFIG_H */
43
44#include <complib/cl_log.h>
45#include <complib/cl_debug.h>
46#include <syslog.h>
47
48/* Maximum number of bytes that can be logged. */
49#define CL_MAX_LOG_DATA		(256)
50
51/*
52 * Size of the character buffer to allow logging the above
53 * number of bytes.  A space is added after every DWORD, and
54 * a new line is added after 8 DWORDS (for a line length less than 80).
55 */
56#define CL_LOG_DATA_SIZE	(CL_MAX_LOG_DATA + (CL_MAX_LOG_DATA/4))
57
58void cl_log_event(IN const char *const name, IN const cl_log_type_t type,
59		  IN const char *const message,
60		  IN const void *const p_data OPTIONAL,
61		  IN const uint32_t data_len)
62{
63	int priority, i;
64	char data[CL_LOG_DATA_SIZE];
65	char *p_buf;
66	uint8_t *p_int_data = (uint8_t *) p_data;
67
68	CL_ASSERT(name);
69	CL_ASSERT(message);
70
71	openlog(name, LOG_NDELAY | LOG_PID, LOG_USER);
72	switch (type) {
73	case CL_LOG_ERROR:
74		priority = LOG_ERR;
75		break;
76
77	case CL_LOG_WARN:
78		priority = LOG_WARNING;
79		break;
80
81	case CL_LOG_INFO:
82	default:
83		priority = LOG_INFO;
84		break;
85	}
86
87	if (p_data) {
88		CL_ASSERT(data_len);
89		if (data_len < CL_MAX_LOG_DATA) {
90			p_buf = data;
91			/* Format the data into ASCII. */
92			for (i = 0; i < data_len; i++) {
93				sprintf(p_buf, "%02x", *p_int_data++);
94				p_buf += 2;
95
96				/* Add line break after 8 DWORDS. */
97				if (i % 32) {
98					sprintf(p_buf++, "\n");
99					continue;
100				}
101
102				/* Add a space between DWORDS. */
103				if (i % 4)
104					sprintf(p_buf++, " ");
105			}
106			syslog(priority, "%s data:\n%s\n", message, p_buf);
107		} else {
108			/* The data portion is too large to log. */
109			cl_msg_out
110			    ("cl_log() - WARNING: data too large to log.\n");
111			syslog(priority, "%s\n", message);
112		}
113	} else {
114		syslog(priority, "%s\n", message);
115	}
116	closelog();
117}
118