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805e021f CE |
1 | /* |
2 | * Copyright 2000, International Business Machines Corporation and others. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This software has been released under the terms of the IBM Public | |
6 | * License. For details, see the LICENSE file in the top-level source | |
7 | * directory or online at http://www.openafs.org/dl/license10.html | |
8 | */ | |
9 | ||
10 | /* | |
11 | * afs_warn.c - afs_warn | |
12 | * | |
13 | * Implements: afs_warn, afs_warnuser | |
14 | */ | |
15 | #include <afsconfig.h> | |
16 | #include "afs/param.h" | |
17 | ||
18 | ||
19 | #include "afs/stds.h" | |
20 | #include "afs/sysincludes.h" /* Standard vendor system headers */ | |
21 | ||
22 | #if !defined(UKERNEL) | |
23 | ||
24 | #if !defined(AFS_LINUX20_ENV) | |
25 | # include <net/if.h> | |
26 | # if defined(AFS_SUN5_ENV) | |
27 | # include <sys/varargs.h> | |
28 | # elif defined(AFS_FBSD_ENV) | |
29 | # include <machine/stdarg.h> | |
30 | # else | |
31 | # include <stdarg.h> | |
32 | # endif | |
33 | #endif | |
34 | #include <netinet/in.h> | |
35 | ||
36 | #ifdef AFS_SGI62_ENV | |
37 | #include "h/hashing.h" | |
38 | #endif | |
39 | #if !defined(AFS_HPUX110_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) | |
40 | #include <netinet/in_var.h> | |
41 | #endif /* ! AFS_HPUX110_ENV */ | |
42 | #endif /* !defined(UKERNEL) */ | |
43 | ||
44 | #include "afsincludes.h" /* Afs-based standard headers */ | |
45 | #include "afs/afs_stats.h" /* afs statistics */ | |
46 | ||
47 | #if defined(AFS_SUN5_ENV) | |
48 | #include <inet/led.h> | |
49 | #include <inet/common.h> | |
50 | #include <netinet/ip6.h> | |
51 | #include <inet/ip.h> | |
52 | #endif | |
53 | ||
54 | #if defined(AFS_AIX_ENV) | |
55 | #include <sys/fp_io.h> | |
56 | #endif | |
57 | ||
58 | #if defined(AFS_LINUX26_ENV) | |
59 | # define afs_vprintf(fmt, ap) vprintk(fmt, ap) | |
60 | #elif defined(AFS_SGI_ENV) | |
61 | # define afs_vprintf(fmt, ap) icmn_err(CE_WARN, fmt, ap) | |
62 | #elif (defined(AFS_DARWIN80_ENV) && !defined(AFS_DARWIN90_ENV)) || (defined(AFS_LINUX22_ENV)) | |
63 | static_inline void | |
64 | afs_vprintf(const char *fmt, va_list ap) | |
65 | { | |
66 | char buf[256]; | |
67 | ||
68 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
69 | printf(buf); | |
70 | } | |
71 | #else | |
72 | # define afs_vprintf(fmt, ap) vprintf(fmt, ap) | |
73 | #endif | |
74 | ||
75 | #ifdef AFS_AIX_ENV | |
76 | void | |
77 | afs_warn(fmt, a, b, c, d, e, f, g, h, i) | |
78 | char *fmt; | |
79 | void *a, *b, *c, *d, *e, *f, *g, *h, *i; | |
80 | { | |
81 | AFS_STATCNT(afs_warn); | |
82 | ||
83 | if (afs_showflags & GAGCONSOLE) { | |
84 | struct file *fd; | |
85 | ||
86 | /* cf. console_printf() in oncplus/kernext/nfs/serv/shared.c */ | |
87 | if (fp_open | |
88 | ("/dev/console", O_WRONLY | O_NOCTTY | O_NDELAY, 0666, 0, FP_SYS, | |
89 | &fd) == 0) { | |
90 | char buf[1024]; | |
91 | ssize_t len; | |
92 | ssize_t count; | |
93 | ||
94 | sprintf(buf, fmt, a, b, c, d, e, f, g, h, i); | |
95 | len = strlen(buf); | |
96 | fp_write(fd, buf, len, 0, UIO_SYSSPACE, &count); | |
97 | fp_close(fd); | |
98 | } | |
99 | } | |
100 | } | |
101 | #else /* AFS_AIX_ENV */ | |
102 | static_inline void | |
103 | afs_vwarn(char *fmt, va_list ap) | |
104 | { | |
105 | afs_vprintf(fmt, ap); | |
106 | } | |
107 | ||
108 | ||
109 | void | |
110 | afs_warn(char *fmt, ...) | |
111 | { | |
112 | AFS_STATCNT(afs_warn); | |
113 | ||
114 | if (afs_showflags & GAGCONSOLE) { | |
115 | va_list ap; | |
116 | ||
117 | va_start(ap, fmt); | |
118 | afs_vwarn(fmt, ap); | |
119 | va_end(ap); | |
120 | } | |
121 | } | |
122 | #endif /* AFS_AIX_ENV */ | |
123 | ||
124 | ||
125 | #ifdef AFS_AIX_ENV | |
126 | void | |
127 | afs_warnuser(fmt, a, b, c, d, e, f, g, h, i) | |
128 | char *fmt; | |
129 | void *a, *b, *c, *d, *e, *f, *g, *h, *i; | |
130 | { | |
131 | AFS_STATCNT(afs_warnuser); | |
132 | if (afs_showflags & GAGUSER) { | |
133 | # ifdef AFS_GLOBAL_SUNLOCK | |
134 | int haveGlock = ISAFS_GLOCK(); | |
135 | /* drop GLOCK for uprintf */ | |
136 | if (haveGlock) | |
137 | AFS_GUNLOCK(); | |
138 | # endif /* AFS_GLOBAL_SUNLOCK */ | |
139 | uprintf(fmt, a, b, c, d, e, f, g, h, i); | |
140 | # ifdef AFS_GLOBAL_SUNLOCK | |
141 | /* regain GLOCK we dropped for uprintf */ | |
142 | if (haveGlock) | |
143 | AFS_GLOCK(); | |
144 | # endif /* AFS_GLOBAL_SUNLOCK */ | |
145 | } | |
146 | } | |
147 | #else /* AFS_AIX_ENV */ | |
148 | # ifdef AFS_WARNUSER_MARINER_ENV | |
149 | static void | |
150 | afs_vwarnuser (char *fmt, va_list ap) | |
151 | { | |
152 | # ifdef AFS_GLOBAL_SUNLOCK | |
153 | int haveGlock = ISAFS_GLOCK(); | |
154 | /* gain GLOCK for mariner */ | |
155 | if (!haveGlock) | |
156 | AFS_GLOCK(); | |
157 | # endif /* AFS_GLOBAL_SUNLOCK */ | |
158 | ||
159 | if (afs_mariner) { | |
160 | char buf[256]; | |
161 | va_list aq; | |
162 | va_copy(aq, ap); | |
163 | /* mariner log the warning */ | |
164 | snprintf(buf, sizeof(buf), "warn$"); | |
165 | vsnprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), fmt, aq); | |
166 | afs_MarinerLog(buf, NULL); | |
167 | va_end(aq); | |
168 | } | |
169 | vprintf(fmt, ap); | |
170 | ||
171 | # ifdef AFS_GLOBAL_SUNLOCK | |
172 | /* drop GLOCK we got for mariner */ | |
173 | if (!haveGlock) | |
174 | AFS_GUNLOCK(); | |
175 | # endif /* AFS_GLOBAL_SUNLOCK */ | |
176 | } | |
177 | # else /* AFS_WARNUSER_MARINER_ENV */ | |
178 | static void | |
179 | afs_vwarnuser (char *fmt, va_list ap) | |
180 | { | |
181 | # ifdef AFS_GLOBAL_SUNLOCK | |
182 | int haveGlock = ISAFS_GLOCK(); | |
183 | /* drop GLOCK */ | |
184 | if (haveGlock) | |
185 | AFS_GUNLOCK(); | |
186 | # endif /* AFS_GLOBAL_SUNLOCK */ | |
187 | ||
188 | afs_vprintf(fmt, ap); | |
189 | ||
190 | # ifdef AFS_GLOBAL_SUNLOCK | |
191 | /* regain GLOCK we dropped */ | |
192 | if (haveGlock) | |
193 | AFS_GLOCK(); | |
194 | # endif /* AFS_GLOBAL_SUNLOCK */ | |
195 | } | |
196 | # endif /* AFS_WARNUSER_MARINER_ENV */ | |
197 | ||
198 | void | |
199 | afs_warnuser(char *fmt, ...) | |
200 | { | |
201 | AFS_STATCNT(afs_warnuser); | |
202 | if (afs_showflags & GAGUSER) { | |
203 | va_list ap; | |
204 | ||
205 | va_start(ap, fmt); | |
206 | afs_vwarnuser(fmt, ap); | |
207 | va_end(ap); | |
208 | } | |
209 | } | |
210 | ||
211 | #endif /* AFS_AIX_ENV */ | |
212 | ||
213 | ||
214 | #ifdef AFS_AIX_ENV | |
215 | void | |
216 | afs_warnall(fmt, a, b, c, d, e, f, g, h, i) | |
217 | char *fmt; | |
218 | void *a, *b, *c, *d, *e, *f, *g, *h, *i; | |
219 | { | |
220 | afs_warn(fmt, a, b, c, d, e, f, g, h, i); | |
221 | afs_warnuser(fmt, a, b, c, d, e, f, g, h, i); | |
222 | ||
223 | } | |
224 | #else /* AFS_AIX_ENV */ | |
225 | /* On Linux both afs_warn and afs_warnuser go to the same | |
226 | * place. Suppress one of them if we're running on Linux. | |
227 | */ | |
228 | void | |
229 | afs_warnall(char *fmt, ...) | |
230 | { | |
231 | va_list ap; | |
232 | ||
233 | # ifdef AFS_LINUX20_ENV | |
234 | AFS_STATCNT(afs_warn); | |
235 | if ((afs_showflags & GAGCONSOLE) || (afs_showflags & GAGUSER)) { | |
236 | va_start(ap, fmt); | |
237 | afs_vwarn(fmt, ap); | |
238 | va_end(ap); | |
239 | } | |
240 | # else /* AFS_LINUX20_ENV */ | |
241 | AFS_STATCNT(afs_warn); | |
242 | if (afs_showflags & GAGCONSOLE) { | |
243 | va_start(ap, fmt); | |
244 | afs_vwarn(fmt, ap); | |
245 | va_end(ap); | |
246 | } | |
247 | ||
248 | AFS_STATCNT(afs_warnuser); | |
249 | if (afs_showflags & GAGUSER) { | |
250 | va_start(ap, fmt); | |
251 | afs_vwarnuser(fmt, ap); | |
252 | va_end(ap); | |
253 | } | |
254 | # endif /* AFS_LINUX20_ENV */ | |
255 | } | |
256 | #endif /* AFS_AIX_ENV */ | |
257 | ||
258 | /* | |
259 | * Log a warning when we encounter an ENOSPC error when writing to the cache | |
260 | * partition. We should not normally encounter ENOSPC errors, since we limit | |
261 | * our space usage according to the client config, which should be configured | |
262 | * such that we never run out of space. | |
263 | */ | |
264 | void | |
265 | afs_WarnENOSPC(void) | |
266 | { | |
267 | afs_warnuser("afs: Cache partition is FULL! This should not happen, and " | |
268 | "can result in errors in userspace applications. To avoid " | |
269 | "this, reduce the configured cache size so we do not run out " | |
270 | "of space.\n"); | |
271 | } |