2 * Copyright (C) 1998, 1989 Transarc Corporation - All rights reserved
4 * (C) COPYRIGHT IBM CORPORATION 1987, 1988
5 * LICENSED MATERIALS - PROPERTY OF IBM
9 /* Copyright (C) 1994 Cazamar Systems, Inc. */
11 #include <afs/param.h>
26 /* the size; overrideable */
27 long osi_logSize = OSI_LOG_DEFAULTSIZE;
29 static osi_once_t osi_logOnce;
31 osi_log_t *osi_allLogsp; /* all logs known; for use during panic */
33 unsigned long osi_logFreq; /* 0, or frequency of high perf counter */
34 unsigned long osi_logTixToMicros; /* mult. correction factor */
36 osi_fdOps_t osi_logFDOps = {
44 /* create a new log, taking a name and a size in entries (not words) */
45 osi_log_t *osi_LogCreate(char *namep, long size)
50 LARGE_INTEGER bigFreq;
51 LARGE_INTEGER bigTemp;
52 LARGE_INTEGER bigJunk;
55 if (osi_Once(&osi_logOnce)) {
56 QueryPerformanceFrequency(&bigFreq);
57 if (bigFreq.LowPart == 0 && bigFreq.HighPart == 0)
60 /* turn frequency into ticks per 10 micros */
61 bigTemp.LowPart = 100000;
63 osi_logTixToMicros = 10;
64 bigFreq = LargeIntegerDivide(bigFreq, bigTemp, &bigJunk);
66 /* check if resolution is too fine or to gross for this to work */
67 if (bigFreq.HighPart > 0 || bigFreq.LowPart < 8)
68 osi_logFreq = 0; /* too big to represent as long */
70 osi_logFreq = bigFreq.LowPart;
74 osi_EndOnce(&osi_logOnce);
78 logp = malloc(sizeof(osi_log_t));
79 memset(logp, 0, sizeof(osi_log_t));
80 logp->namep = malloc(strlen(namep)+1);
81 strcpy(logp->namep, namep);
83 osi_QAdd((osi_queue_t **) &osi_allLogsp, &logp->q);
85 /* compute size we'll use */
86 if (size == 0) size = osi_logSize;
88 /* handle init for this size */
90 logp->datap = malloc(size * sizeof(osi_logEntry_t));
92 /* init strings array */
93 logp->maxstringindex = size/10;
94 logp->stringindex = 0;
95 logp->stringsp = malloc((size/10) * OSI_LOG_STRINGSIZE);
98 thrd_InitCrit(&logp->cs);
100 strcpy(tbuffer, "log:");
101 strcat(tbuffer, namep);
102 typep = osi_RegisterFDType(tbuffer, &osi_logFDOps, logp);
105 /* add formatting info */
106 osi_AddFDFormatInfo(typep, OSI_DBRPC_REGIONINT, 0,
107 "Thread ID", OSI_DBRPC_HEX);
108 osi_AddFDFormatInfo(typep, OSI_DBRPC_REGIONSTRING, 1,
116 /* we just panic'd. Turn off all logging adding special log record
117 * to all enabled logs. Be careful not to wait for a lock.
119 void osi_LogPanic(char *filep, long lineNumber)
123 for(tlp = osi_allLogsp; tlp; tlp = (osi_log_t *) osi_QNext(&tlp->q)) {
124 if (!tlp->enabled) continue;
126 /* otherwise, proceed */
128 osi_LogAdd(tlp, "**PANIC** (file %s:%d)", (long) filep, lineNumber, 0, 0);
130 osi_LogAdd(tlp, "**PANIC**", 0, 0, 0, 0);
132 /* should grab lock for this, but we're in panic, and better safe than
139 /* reset the contents of a log */
140 void osi_LogReset(osi_log_t *logp)
143 thrd_EnterCrit(&logp->cs);
145 thrd_LeaveCrit(&logp->cs);
150 void osi_LogFree(osi_log_t *logp)
154 osi_QRemove((osi_queue_t **) &osi_allLogsp, &logp->q);
158 thrd_DeleteCrit(&logp->cs);
162 /* add an element to a log */
163 void osi_LogAdd(osi_log_t *logp, char *formatp, long p0, long p1, long p2, long p3)
167 LARGE_INTEGER bigTime;
169 /* handle init races */
172 /* do this w/o locking for speed; it is obviously harmless if we're off
175 if (!logp->enabled) return;
177 thrd_EnterCrit(&logp->cs);
178 if (logp->nused < logp->alloc) logp->nused++;
181 if (logp->first >= logp->alloc) logp->first -= logp->alloc;
183 ix = logp->first + logp->nused - 1;
184 if (ix >= logp->alloc) ix -= logp->alloc;
186 lep = logp->datap + ix; /* ptr arith */
187 lep->tid = thrd_Current();
189 /* get the time, using the high res timer if available */
192 QueryPerformanceCounter(&bigTime);
193 lep->micros = (bigTime.LowPart / osi_logFreq) * osi_logTixToMicros;
195 else lep->micros = GetCurrentTime() * 1000;
197 lep->micros = gettime_us();
200 lep->formatp = formatp;
205 thrd_LeaveCrit(&logp->cs);
208 void osi_LogPrint(osi_log_t *logp, FILE_HANDLE handle)
210 char wholemsg[1000], msg[1000];
214 if (!logp->enabled) return;
216 thrd_EnterCrit(&logp->cs);
218 for (ix = logp->first, i = 0;
220 i++, ix++, (ix >= logp->alloc ? ix -= logp->alloc : 0)) {
221 lep = logp->datap + ix; /* pointer arithmetic */
222 sprintf(msg, lep->formatp,
223 lep->parms[0], lep->parms[1],
224 lep->parms[2], lep->parms[3]);
225 sprintf(wholemsg, "time %d.%06d, pid %d %s\n",
226 lep->micros / 1000000,
227 lep->micros % 1000000,
230 if (!WriteFile(handle, wholemsg, strlen(wholemsg),
233 if ((ioCount = fwrite(wholemsg, 1, strlen(wholemsg), handle)) == 0)
238 thrd_LeaveCrit(&logp->cs);
241 char *osi_LogSaveString(osi_log_t *logp, char *s)
243 char *saveplace = logp->stringsp[logp->stringindex];
245 if (s == NULL) return NULL;
247 if (strlen(s) >= OSI_LOG_STRINGSIZE)
248 sprintf(saveplace, "...%s",
249 s + strlen(s) - (OSI_LOG_STRINGSIZE - 4));
251 strcpy(saveplace, s);
253 if (logp->stringindex >= logp->maxstringindex)
254 logp->stringindex = 0;
259 long osi_LogFDCreate(osi_fdType_t *typep, osi_fd_t **outpp)
264 lfdp = malloc(sizeof(*lfdp));
265 logp = lfdp->logp = typep->rockp; /* the log we were created for */
266 thrd_EnterCrit(&logp->cs);
267 lfdp->nused = logp->nused;
268 lfdp->first = logp->first;
270 thrd_LeaveCrit(&logp->cs);
277 long osi_LogFDGetInfo(osi_fd_t *ifd, osi_remGetInfoParms_t *outp)
285 lfdp = (osi_logFD_t *) ifd;
288 /* see if we're done */
289 if (lfdp->current >= lfdp->nused) return OSI_DBRPC_EOF;
292 thrd_EnterCrit(&logp->cs);
294 /* compute which one we want */
295 ix = lfdp->first + lfdp->current;
296 if (ix >= logp->alloc) ix -= logp->alloc;
298 lep = logp->datap + ix; /* ptr arith to current index */
300 sprintf(tbuffer, lep->formatp, lep->parms[0], lep->parms[1],
301 lep->parms[2], lep->parms[3]);
303 /* now copy out info */
304 strcpy(outp->sdata[0], tbuffer);
305 sprintf(tbuffer, "%5.6f", ((double)lep->micros)/1000000.0);
306 strcpy(outp->sdata[1], tbuffer);
307 outp->idata[0] = lep->tid;
311 thrd_LeaveCrit(&logp->cs);
316 long osi_LogFDClose(osi_fd_t *ifdp)
322 void osi_LogEnable(osi_log_t *logp)
328 void osi_LogDisable(osi_log_t *logp)
334 #define REG_CLIENT_PARMS_KEY "SYSTEM\\CurrentControlSet\\Services\\TransarcAFSDaemon\\Parameters"
335 #define TRACE_OPTION_EVENT 1
336 #define ISLOGONTRACE(v) ( ((v) & TRACE_OPTION_EVENT)==TRACE_OPTION_EVENT)
338 DWORD osi_TraceOption=0;
340 void osi_InitTraceOption()
342 DWORD LSPtype, LSPsize;
344 (void) RegOpenKeyEx(HKEY_LOCAL_MACHINE, REG_CLIENT_PARMS_KEY,
345 0, KEY_QUERY_VALUE, &NPKey);
346 LSPsize=sizeof(osi_TraceOption);
347 RegQueryValueEx(NPKey, "TraceOption", NULL,
348 &LSPtype, (LPBYTE)&osi_TraceOption, &LSPsize);
\r
353 void osi_LogEvent0(char *a,char *b)
355 HANDLE h; char *ptbuf[1],buf[MAXBUF_+1];
356 if (!ISLOGONTRACE(osi_TraceOption))
358 h = RegisterEventSource(NULL, a);
360 ReportEvent(h, EVENTLOG_INFORMATION_TYPE, 0, 0, NULL, 1, 0, (const char **)ptbuf, NULL);
361 DeregisterEventSource(h);
365 void osi_LogEvent(char *a,char *b,char *c,...)
367 HANDLE h; char *ptbuf[1],buf[MAXBUF_+1];
369 if (!ISLOGONTRACE(osi_TraceOption))
374 h = RegisterEventSource(NULL, buf);
377 h = RegisterEventSource(NULL, a);
379 _vsnprintf(buf,MAXBUF_,c,marker);
381 ReportEvent(h, EVENTLOG_INFORMATION_TYPE, 0, 0, NULL, 1, 0, (const char **)ptbuf, NULL);\
382 DeregisterEventSource(h);