1: /*
2: * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC")
3: * Copyright (C) 1998-2001, 2003 Internet Software Consortium.
4: *
5: * Permission to use, copy, modify, and/or distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10: * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11: * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12: * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13: * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14: * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15: * PERFORMANCE OF THIS SOFTWARE.
16: */
17:
18: /* $Id: result.c,v 1.1.1.1 2012/05/29 12:08:38 misho Exp $ */
19:
20: /*! \file */
21:
22: #include <config.h>
23:
24: #include <stddef.h>
25: #include <stdlib.h>
26:
27: #include <isc/lib.h>
28: #include <isc/msgs.h>
29: #include <isc/mutex.h>
30: #include <isc/once.h>
31: #include <isc/resultclass.h>
32: #include <isc/util.h>
33:
34: typedef struct resulttable {
35: unsigned int base;
36: unsigned int last;
37: const char ** text;
38: isc_msgcat_t * msgcat;
39: int set;
40: ISC_LINK(struct resulttable) link;
41: } resulttable;
42:
43: static const char *text[ISC_R_NRESULTS] = {
44: "success", /*%< 0 */
45: "out of memory", /*%< 1 */
46: "timed out", /*%< 2 */
47: "no available threads", /*%< 3 */
48: "address not available", /*%< 4 */
49: "address in use", /*%< 5 */
50: "permission denied", /*%< 6 */
51: "no pending connections", /*%< 7 */
52: "network unreachable", /*%< 8 */
53: "host unreachable", /*%< 9 */
54: "network down", /*%< 10 */
55: "host down", /*%< 11 */
56: "connection refused", /*%< 12 */
57: "not enough free resources", /*%< 13 */
58: "end of file", /*%< 14 */
59: "socket already bound", /*%< 15 */
60: "reload", /*%< 16 */
61: "lock busy", /*%< 17 */
62: "already exists", /*%< 18 */
63: "ran out of space", /*%< 19 */
64: "operation canceled", /*%< 20 */
65: "socket is not bound", /*%< 21 */
66: "shutting down", /*%< 22 */
67: "not found", /*%< 23 */
68: "unexpected end of input", /*%< 24 */
69: "failure", /*%< 25 */
70: "I/O error", /*%< 26 */
71: "not implemented", /*%< 27 */
72: "unbalanced parentheses", /*%< 28 */
73: "no more", /*%< 29 */
74: "invalid file", /*%< 30 */
75: "bad base64 encoding", /*%< 31 */
76: "unexpected token", /*%< 32 */
77: "quota reached", /*%< 33 */
78: "unexpected error", /*%< 34 */
79: "already running", /*%< 35 */
80: "ignore", /*%< 36 */
81: "address mask not contiguous", /*%< 37 */
82: "file not found", /*%< 38 */
83: "file already exists", /*%< 39 */
84: "socket is not connected", /*%< 40 */
85: "out of range", /*%< 41 */
86: "out of entropy", /*%< 42 */
87: "invalid use of multicast address", /*%< 43 */
88: "not a file", /*%< 44 */
89: "not a directory", /*%< 45 */
90: "queue is full", /*%< 46 */
91: "address family mismatch", /*%< 47 */
92: "address family not supported", /*%< 48 */
93: "bad hex encoding", /*%< 49 */
94: "too many open files", /*%< 50 */
95: "not blocking", /*%< 51 */
96: "unbalanced quotes", /*%< 52 */
97: "operation in progress", /*%< 53 */
98: "connection reset", /*%< 54 */
99: "soft quota reached", /*%< 55 */
100: "not a valid number", /*%< 56 */
101: "disabled", /*%< 57 */
102: "max size", /*%< 58 */
103: "invalid address format", /*%< 59 */
104: "bad base32 encoding", /*%< 60 */
105: };
106:
107: #define ISC_RESULT_RESULTSET 2
108: #define ISC_RESULT_UNAVAILABLESET 3
109:
110: static isc_once_t once = ISC_ONCE_INIT;
111: static ISC_LIST(resulttable) tables;
112: static isc_mutex_t lock;
113:
114: static isc_result_t
115: register_table(unsigned int base, unsigned int nresults, const char **text,
116: isc_msgcat_t *msgcat, int set)
117: {
118: resulttable *table;
119:
120: REQUIRE(base % ISC_RESULTCLASS_SIZE == 0);
121: REQUIRE(nresults <= ISC_RESULTCLASS_SIZE);
122: REQUIRE(text != NULL);
123:
124: /*
125: * We use malloc() here because we we want to be able to use
126: * isc_result_totext() even if there is no memory context.
127: */
128: table = malloc(sizeof(*table));
129: if (table == NULL)
130: return (ISC_R_NOMEMORY);
131: table->base = base;
132: table->last = base + nresults - 1;
133: table->text = text;
134: table->msgcat = msgcat;
135: table->set = set;
136: ISC_LINK_INIT(table, link);
137:
138: LOCK(&lock);
139:
140: ISC_LIST_APPEND(tables, table, link);
141:
142: UNLOCK(&lock);
143:
144: return (ISC_R_SUCCESS);
145: }
146:
147: static void
148: initialize_action(void) {
149: isc_result_t result;
150:
151: RUNTIME_CHECK(isc_mutex_init(&lock) == ISC_R_SUCCESS);
152: ISC_LIST_INIT(tables);
153:
154: result = register_table(ISC_RESULTCLASS_ISC, ISC_R_NRESULTS, text,
155: isc_msgcat, ISC_RESULT_RESULTSET);
156: if (result != ISC_R_SUCCESS)
157: UNEXPECTED_ERROR(__FILE__, __LINE__,
158: "register_table() %s: %u",
159: isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
160: ISC_MSG_FAILED, "failed"),
161: result);
162: }
163:
164: static void
165: initialize(void) {
166: isc_lib_initmsgcat();
167: RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);
168: }
169:
170: const char *
171: isc_result_totext(isc_result_t result) {
172: resulttable *table;
173: const char *text, *default_text;
174: int index;
175:
176: initialize();
177:
178: LOCK(&lock);
179:
180: text = NULL;
181: for (table = ISC_LIST_HEAD(tables);
182: table != NULL;
183: table = ISC_LIST_NEXT(table, link)) {
184: if (result >= table->base && result <= table->last) {
185: index = (int)(result - table->base);
186: default_text = table->text[index];
187: /*
188: * Note: we use 'index + 1' as the message number
189: * instead of index because isc_msgcat_get() requires
190: * the message number to be > 0.
191: */
192: text = isc_msgcat_get(table->msgcat, table->set,
193: index + 1, default_text);
194: break;
195: }
196: }
197: if (text == NULL)
198: text = isc_msgcat_get(isc_msgcat, ISC_RESULT_UNAVAILABLESET,
199: 1, "(result code text not available)");
200:
201: UNLOCK(&lock);
202:
203: return (text);
204: }
205:
206: isc_result_t
207: isc_result_register(unsigned int base, unsigned int nresults,
208: const char **text, isc_msgcat_t *msgcat, int set)
209: {
210: initialize();
211:
212: return (register_table(base, nresults, text, msgcat, set));
213: }
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