xref: /freebsd/contrib/ofed/opensm/complib/cl_log.c (revision 8aac90f18aef7c9eea906c3ff9a001ca7b94f375)
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 
58 void 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