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comparison: netwerk/srtp/src/crypto/include/err.h

netwerk/srtp/src/crypto/include/err.h

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1 /*
2 * err.h
3 *
4 * error status codes
5 *
6 * David A. McGrew
7 * Cisco Systems, Inc.
8 */
9 /*
10 *
11 * Copyright (c) 2001-2006, Cisco Systems, Inc.
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 *
18 * Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 *
21 * Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials provided
24 * with the distribution.
25 *
26 * Neither the name of the Cisco Systems, Inc. nor the names of its
27 * contributors may be used to endorse or promote products derived
28 * from this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
34 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
35 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
37 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
41 * OF THE POSSIBILITY OF SUCH DAMAGE.
42 *
43 */
44
45
46 #ifndef ERR_H
47 #define ERR_H
48
49 #include "datatypes.h"
50
51 /**
52 * @defgroup Error Error Codes
53 *
54 * Error status codes are represented by the enumeration err_status_t.
55 *
56 * @{
57 */
58
59
60 /*
61 * @brief err_status_t defines error codes.
62 *
63 * The enumeration err_status_t defines error codes. Note that the
64 * value of err_status_ok is equal to zero, which can simplify error
65 * checking somewhat.
66 *
67 */
68 typedef enum {
69 err_status_ok = 0, /**< nothing to report */
70 err_status_fail = 1, /**< unspecified failure */
71 err_status_bad_param = 2, /**< unsupported parameter */
72 err_status_alloc_fail = 3, /**< couldn't allocate memory */
73 err_status_dealloc_fail = 4, /**< couldn't deallocate properly */
74 err_status_init_fail = 5, /**< couldn't initialize */
75 err_status_terminus = 6, /**< can't process as much data as requested */
76 err_status_auth_fail = 7, /**< authentication failure */
77 err_status_cipher_fail = 8, /**< cipher failure */
78 err_status_replay_fail = 9, /**< replay check failed (bad index) */
79 err_status_replay_old = 10, /**< replay check failed (index too old) */
80 err_status_algo_fail = 11, /**< algorithm failed test routine */
81 err_status_no_such_op = 12, /**< unsupported operation */
82 err_status_no_ctx = 13, /**< no appropriate context found */
83 err_status_cant_check = 14, /**< unable to perform desired validation */
84 err_status_key_expired = 15, /**< can't use key any more */
85 err_status_socket_err = 16, /**< error in use of socket */
86 err_status_signal_err = 17, /**< error in use POSIX signals */
87 err_status_nonce_bad = 18, /**< nonce check failed */
88 err_status_read_fail = 19, /**< couldn't read data */
89 err_status_write_fail = 20, /**< couldn't write data */
90 err_status_parse_err = 21, /**< error pasring data */
91 err_status_encode_err = 22, /**< error encoding data */
92 err_status_semaphore_err = 23,/**< error while using semaphores */
93 err_status_pfkey_err = 24 /**< error while using pfkey */
94 } err_status_t;
95
96 /**
97 * @}
98 */
99
100 typedef enum {
101 err_level_emergency = 0,
102 err_level_alert,
103 err_level_critical,
104 err_level_error,
105 err_level_warning,
106 err_level_notice,
107 err_level_info,
108 err_level_debug,
109 err_level_none
110 } err_reporting_level_t;
111
112 /*
113 * err_reporting_init prepares the error system. If
114 * ERR_REPORTING_SYSLOG is defined, it will open syslog.
115 *
116 * The ident argument is a string that will be prepended to
117 * all syslog messages. It is conventionally argv[0].
118 */
119
120 err_status_t
121 err_reporting_init(char *ident);
122
123 #ifdef SRTP_KERNEL_LINUX
124 extern err_reporting_level_t err_level;
125 #else
126
127 /*
128 * keydaemon_report_error reports a 'printf' formatted error
129 * string, followed by a an arg list. The priority argument
130 * is equivalent to that defined for syslog.
131 *
132 * Errors will be reported to ERR_REPORTING_FILE, if defined, and to
133 * syslog, if ERR_REPORTING_SYSLOG is defined.
134 *
135 */
136
137 void
138 err_report(int priority, char *format, ...);
139 #endif /* ! SRTP_KERNEL_LINUX */
140
141
142 /*
143 * debug_module_t defines a debug module
144 */
145
146 typedef struct {
147 int on; /* 1 if debugging is on, 0 if it is off */
148 char *name; /* printable name for debug module */
149 } debug_module_t;
150
151 #ifdef ENABLE_DEBUGGING
152
153 #define debug_on(mod) (mod).on = 1
154
155 #define debug_off(mod) (mod).on = 0
156
157 /* use err_report() to report debug message */
158 #define debug_print(mod, format, arg) \
159 if (mod.on) err_report(err_level_debug, ("%s: " format "\n"), mod.name, arg)
160 #define debug_print2(mod, format, arg1,arg2) \
161 if (mod.on) err_report(err_level_debug, ("%s: " format "\n"), mod.name, arg1,arg2)
162
163 #else
164
165 /* define macros to do nothing */
166 #define debug_print(mod, format, arg)
167
168 #define debug_on(mod)
169
170 #define debug_off(mod)
171
172 #endif
173
174 #endif /* ERR_H */

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