/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
/* Information Technology Center */
/* Date: 05/21/97 */
/* */
-/* Function - These routiens implement logging from the servers */
+/* Function - These routines implement logging from the servers. */
/* */
/* ********************************************************************** */
+#include <afsconfig.h>
#include <afs/param.h>
-#include <stdio.h>
-#ifdef AFS_NT40_ENV
-#include <io.h>
-#include <time.h>
-#else
-#ifdef AFS_AIX_ENV
-#include <time.h>
-#endif
-#include <sys/param.h>
-#include <sys/time.h>
-#endif
-#include <afs/procmgmt.h> /* signal(), kill(), wait(), etc. */
-#include <fcntl.h>
#include <afs/stds.h>
-#if defined(AFS_SUN5_ENV) || defined(AFS_NT40_ENV)
-#include <string.h>
-#else
-#include <strings.h>
+
+#include <afs/procmgmt.h> /* signal(), kill(), wait(), etc. */
+
+#include <roken.h> /* Must come after procmgmt.h */
+#ifdef AFS_PTHREAD_ENV
+ #include <opr/softsig.h>
+ #include <afs/procmgmt_softsig.h> /* Must come after softsig.h */
#endif
+#include <afs/opr.h>
#include "afsutil.h"
#include "fileutil.h"
+#include <lwp.h>
+
#if defined(AFS_PTHREAD_ENV)
-#include <assert.h>
#include <pthread.h>
+static pthread_once_t serverLogOnce = PTHREAD_ONCE_INIT;
static pthread_mutex_t serverLogMutex;
-#define LOCK_SERVERLOG() assert(pthread_mutex_lock(&serverLogMutex)==0)
-#define UNLOCK_SERVERLOG() assert(pthread_mutex_unlock(&serverLogMutex)==0)
+#define LOCK_SERVERLOG() opr_Verify(pthread_mutex_lock(&serverLogMutex) == 0)
+#define UNLOCK_SERVERLOG() opr_Verify(pthread_mutex_unlock(&serverLogMutex) == 0)
#ifdef AFS_NT40_ENV
#define NULLDEV "NUL"
#endif
#else /* AFS_PTHREAD_ENV */
-#define LOCK_SERVERLOG()
-#define UNLOCK_SERVERLOG()
-#endif /* AFS_PTHREAD_ENV */
+#define LOCK_SERVERLOG()
+#define UNLOCK_SERVERLOG()
+#endif /* AFS_PTHREAD_ENV */
#ifdef AFS_NT40_ENV
#define F_OK 0
+#define O_NONBLOCK 0
#endif
-static int serverLogFD = -1;
+/*!
+ * Placeholder function to return dummy thread number.
+ */
+static int
+dummyThreadNum(void)
+{
+ return -1;
+}
+static int (*threadNumProgram) (void) = dummyThreadNum;
+
+/* After single-threaded startup, accesses to serverlogFD and
+ * serverLogSyslog* are protected by LOCK_SERVERLOG(). */
+static int serverLogFD = -1; /*!< The log file descriptor. */
+static struct logOptions serverLogOpts; /*!< logging options */
+
+int LogLevel; /*!< The current logging level. */
+static int threadIdLogs = 0; /*!< Include the thread id in log messages when true. */
+static int resetSignals = 0; /*!< Reset signal handlers for the next signal when true. */
+static char *ourName = NULL; /*!< The fully qualified log file path, saved for reopens. */
+
+static int OpenLogFile(const char *fileName);
+static void RotateLogFile(void);
+
+/*!
+ * Determine if the file is a named pipe.
+ *
+ * This check is performed to support named pipes as logs by not rotating them
+ * and opening them with a non-blocking flags.
+ *
+ * \param[in] fileName log file name
+ *
+ * \returns non-zero if log file is a named pipe.
+ */
+static int
+IsFIFO(const char *fileName)
+{
+ struct stat statbuf;
+ return (lstat(fileName, &statbuf) == 0) && (S_ISFIFO(statbuf.st_mode));
+}
-#include <stdarg.h>
-int LogLevel;
+/*!
+ * Return the current logging level.
+ */
+int
+GetLogLevel(void)
+{
+ return LogLevel;
+}
-/* VARARGS1 */
-void FSLog (const char *format, ...)
+/*!
+ * Return the log destination.
+ */
+enum logDest
+GetLogDest(void)
{
- va_list args;
+ return serverLogOpts.lopt_dest;
+}
+
+/*!
+ * Get the log filename for file based logging.
+ *
+ * An empty string is returned if the log destination is not
+ * file based. The caller must make a copy of the string
+ * if it is accessed after the CloseLog.
+ */
+const char *
+GetLogFilename(void)
+{
+ return serverLogOpts.lopt_dest == logDest_file ? (const char*)ourName : "";
+}
+
+/*!
+ * Set the function to log thread numbers.
+ */
+void
+SetLogThreadNumProgram(int (*func) (void) )
+{
+ threadNumProgram = func;
+}
+
+/*!
+ * Write a block of bytes to the log.
+ *
+ * Write a block of bytes directly to the log without formatting
+ * or prepending a timestamp.
+ *
+ * \param[in] buf pointer to bytes to write
+ * \param[in] len number of bytes to write
+ */
+void
+WriteLogBuffer(char *buf, afs_uint32 len)
+{
+ LOCK_SERVERLOG();
+ if (serverLogFD >= 0) {
+ if (write(serverLogFD, buf, len) < 0)
+ ; /* don't care */
+ }
+ UNLOCK_SERVERLOG();
+}
+
+/*!
+ * Get the current thread number.
+ */
+int
+LogThreadNum(void)
+{
+ return (*threadNumProgram) ();
+}
+/*!
+ * Write a message to the log.
+ *
+ * \param[in] format printf-style format string
+ * \param[in] args variable list of arguments
+ */
+void
+vFSLog(const char *format, va_list args)
+{
time_t currenttime;
- char *timeStamp;
char tbuffer[1024];
char *info;
- int len;
-
- currenttime = time(0);
- timeStamp = afs_ctime(¤ttime, tbuffer, sizeof(tbuffer));
- timeStamp[24] = ' '; /* ts[24] is the newline, 25 is the null */
- info = &timeStamp[25];
+ size_t len;
+ struct tm tm;
+ int num;
+
+ currenttime = time(NULL);
+ len = strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y ",
+ localtime_r(¤ttime, &tm));
+ info = &tbuffer[len];
+
+ if (threadIdLogs) {
+ num = (*threadNumProgram) ();
+ if (num > -1) {
+ snprintf(info, (sizeof tbuffer) - strlen(tbuffer), "[%d] ",
+ num);
+ info += strlen(info);
+ }
+ }
- va_start(args, format);
- (void) vsprintf(info, format, args);
- va_end(args);
+ vsnprintf(info, (sizeof tbuffer) - strlen(tbuffer), format, args);
len = strlen(tbuffer);
LOCK_SERVERLOG();
- if (serverLogFD > 0)
- write(serverLogFD, tbuffer, len);
+#ifdef HAVE_SYSLOG
+ if (serverLogOpts.dest == logDest_syslog) {
+ syslog(LOG_INFO, "%s", info);
+ } else
+#endif
+ if (serverLogFD >= 0) {
+ if (write(serverLogFD, tbuffer, len) < 0)
+ ; /* don't care */
+ }
UNLOCK_SERVERLOG();
-#if !defined(AFS_PTHREAD_ENV)
- fflush(stdout);
- fflush(stderr); /* in case they're sharing the same FD */
+#if !defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV)
+ if (serverLogOpts.dest == logDest_file) {
+ fflush(stdout);
+ fflush(stderr); /* in case they're sharing the same FD */
+ }
#endif
-}
+} /*vFSLog */
-static void DebugOn(int loglevel)
+/*!
+ * Write a message to the log.
+ *
+ * \param[in] format printf-style format specification
+ * \param[in] ... arguments for format specification
+ */
+void
+FSLog(const char *format, ...)
{
- if (loglevel == 0) {
- ViceLog(0, ("Reset Debug levels to 0\n"));
+ va_list args;
+
+ va_start(args, format);
+ vFSLog(format, args);
+ va_end(args);
+} /*FSLog */
+
+/*!
+ * Write the command-line invocation to the log.
+ *
+ * \param[in] argc argument count from main()
+ * \param[in] argv argument vector from main()
+ * \param[in] progname program name
+ * \param[in] version program version
+ * \param[in] logstring log message string
+ * \param[in] log printf-style log function
+ */
+void
+LogCommandLine(int argc, char **argv, const char *progname,
+ const char *version, const char *logstring,
+ void (*log) (const char *format, ...))
+{
+ int i, l;
+ char *commandLine, *cx;
+
+ opr_Assert(argc > 0);
+
+ for (l = i = 0; i < argc; i++)
+ l += strlen(argv[i]) + 1;
+ if ((commandLine = malloc(l))) {
+ for (cx = commandLine, i = 0; i < argc; i++) {
+ strcpy(cx, argv[i]);
+ cx += strlen(cx);
+ *(cx++) = ' ';
+ }
+ commandLine[l-1] = '\0';
+ (*log)("%s %s %s%s(%s)\n", logstring, progname,
+ version, strlen(version)>0?" ":"", commandLine);
+ free(commandLine);
} else {
- ViceLog(0, ("Set Debug On level = %d\n",loglevel));
+ /* What, we're out of memory already!? */
+ (*log)("%s %s%s%s\n", logstring,
+ progname, strlen(version)>0?" ":"", version);
}
-} /*DebugOn*/
-
+}
+/*!
+ * Write the single-DES deprecation warning to the log.
+ */
+void
+LogDesWarning(void)
+{
+ /* The blank newlines help this stand out a bit more in the log. */
+ ViceLog(0, ("\n"));
+ ViceLog(0, ("WARNING: You are using single-DES keys in a KeyFile. Using single-DES\n"));
+ ViceLog(0, ("WARNING: long-term keys is considered insecure, and it is strongly\n"));
+ ViceLog(0, ("WARNING: recommended that you migrate to stronger encryption. See\n"));
+ ViceLog(0, ("WARNING: OPENAFS-SA-2013-003 on http://www.openafs.org/security/\n"));
+ ViceLog(0, ("WARNING: for details.\n"));
+ ViceLog(0, ("\n"));
+}
-void SetDebug_Signal(int signo)
+/*!
+ * Move the current log file out of the way so a new one can be started.
+ *
+ * The format of the new name depends on the logging style. The traditional
+ * Transarc style appends ".old" to the log file name. When MR-AFS style
+ * logging is in effect, a time stamp is appended to the log file name instead
+ * of ".old".
+ *
+ * \bug Unfortunately, no check is made to avoid overwriting
+ * old logs in the traditional Transarc mode.
+ *
+ * \param fileName fully qualified log file path
+ */
+static void
+RenameLogFile(const char *fileName)
{
- extern int IOMGR_SoftSig();
+ int code;
+ char *nextName = NULL;
+ int tries;
+ time_t t;
+ struct stat buf;
+ struct tm *timeFields;
+
+ switch (serverLogOpts.lopt_rotateStyle) {
+ case logRotate_none:
+ break;
+ case logRotate_old:
+ code = asprintf(&nextName, "%s.old", fileName);
+ if (code < 0) {
+ nextName = NULL;
+ }
+ break;
+ case logRotate_timestamp:
+ time(&t);
+ for (tries = 0; nextName == NULL && tries < 100; t++, tries++) {
+ timeFields = localtime(&t);
+ code = asprintf(&nextName, "%s.%d%02d%02d%02d%02d%02d",
+ fileName, timeFields->tm_year + 1900,
+ timeFields->tm_mon + 1, timeFields->tm_mday,
+ timeFields->tm_hour, timeFields->tm_min,
+ timeFields->tm_sec);
+ if (code < 0) {
+ nextName = NULL;
+ break;
+ }
+ if (lstat(nextName, &buf) == 0) {
+ /* Avoid clobbering a log. */
+ free(nextName);
+ nextName = NULL;
+ }
+ }
+ break;
+ default:
+ opr_Assert(0);
+ }
+ if (nextName != NULL) {
+ rk_rename(fileName, nextName); /* Don't check the error code. */
+ free(nextName);
+ }
+}
- if (LogLevel > 0) {
- LogLevel *= 5;
+/*!
+ * Write message to the log to indicate the log level.
+ *
+ * This helper function is called by the signal handlers when the log level is
+ * changed, to write a message to the log to indicate the log level has been
+ * changed.
+ */
+static void*
+DebugOn(void *param)
+{
+ int loglevel = (intptr_t)param;
+ if (loglevel == 0) {
+ ViceLog(0, ("Reset Debug levels to 0\n"));
+ } else {
+ ViceLog(0, ("Set Debug On level = %d\n", loglevel));
}
- else {
- LogLevel = 1;
+ return 0;
+} /*DebugOn */
+
+/*!
+ * Signal handler to increase the logging level.
+ *
+ * Increase the current logging level to 1 if it in currently 0,
+ * otherwise, increase the current logging level by a factor of 5 if it
+ * is currently non-zero.
+ *
+ * Enables thread id logging when the log level is greater than 1.
+ */
+void
+SetDebug_Signal(int signo)
+{
+ if (LogLevel > 0) {
+ LogLevel *= 5;
+
+#if defined(AFS_PTHREAD_ENV)
+ if (LogLevel > 1 && threadNumProgram != NULL &&
+ threadIdLogs == 0) {
+ threadIdLogs = 1;
+ }
+#endif
+ } else {
+ LogLevel = 1;
+
+#if defined(AFS_PTHREAD_ENV)
+ if (threadIdLogs == 1)
+ threadIdLogs = 0;
+#endif
}
#if defined(AFS_PTHREAD_ENV)
- DebugOn(LogLevel);
+ DebugOn((void *)(intptr_t)LogLevel);
#else /* AFS_PTHREAD_ENV */
- IOMGR_SoftSig(DebugOn, LogLevel);
+ IOMGR_SoftSig(DebugOn, (void *)(intptr_t)LogLevel);
#endif /* AFS_PTHREAD_ENV */
- signal(signo, SetDebug_Signal); /* on some platforms, this signal */
- /* handler needs to be set again */
-} /*SetDebug_Signal*/
-
-void ResetDebug_Signal(int signo)
+ if (resetSignals) {
+ /* When pthreaded softsig handlers are not in use, some platforms
+ * require this signal handler to be set again. */
+ (void)signal(signo, SetDebug_Signal);
+ }
+} /*SetDebug_Signal */
+
+/*!
+ * Signal handler to reset the logging level.
+ *
+ * Reset the logging level and disable thread id logging.
+ *
+ * \note This handler has the side-effect of rotating and reopening
+ * MR-AFS style logs.
+ */
+void
+ResetDebug_Signal(int signo)
{
LogLevel = 0;
#if defined(AFS_PTHREAD_ENV)
- DebugOn(LogLevel);
+ DebugOn((void *)(intptr_t)LogLevel);
#else /* AFS_PTHREAD_ENV */
- IOMGR_SoftSig(DebugOn, LogLevel);
+ IOMGR_SoftSig(DebugOn, (void *)(intptr_t)LogLevel);
#endif /* AFS_PTHREAD_ENV */
- signal(signo, ResetDebug_Signal); /* on some platforms, this signal */
- /* handler needs to be set again */
-} /*ResetDebug_Signal*/
+ if (resetSignals) {
+ /* When pthreaded softsig handlers are not in use, some platforms
+ * require this signal handler to be set again. */
+ (void)signal(signo, ResetDebug_Signal);
+ }
+#if defined(AFS_PTHREAD_ENV)
+ if (threadIdLogs == 1)
+ threadIdLogs = 0;
+#endif
+ if (serverLogOpts.lopt_rotateOnReset) {
+ RotateLogFile();
+ }
+} /*ResetDebug_Signal */
+
+#ifdef AFS_PTHREAD_ENV
+/*!
+ * Register pthread-safe signal handlers for server log management.
+ *
+ * \note opr_softsig_Init() must be called before this function.
+ */
+void
+SetupLogSoftSignals(void)
+{
+ opr_softsig_Register(SIGHUP, ResetDebug_Signal);
+ opr_softsig_Register(SIGTSTP, SetDebug_Signal);
+#ifndef AFS_NT40_ENV
+ (void)signal(SIGPIPE, SIG_IGN);
+#endif
+}
+#endif /* AFS_PTHREAD_ENV */
-void SetupLogSignals(void)
+/*!
+ * Register signal handlers for server log management.
+ *
+ * \note This function is deprecated and should not be used
+ * in new code. This function should be removed when
+ * all the servers have been converted to pthreads
+ * and lwp has been removed.
+ */
+void
+SetupLogSignals(void)
{
- signal(SIGHUP, ResetDebug_Signal);
+ resetSignals = 1;
+ (void)signal(SIGHUP, ResetDebug_Signal);
/* Note that we cannot use SIGUSR1 -- Linux stole it for pthreads! */
- signal(SIGTSTP, SetDebug_Signal);
+ (void)signal(SIGTSTP, SetDebug_Signal);
+#ifndef AFS_NT40_ENV
+ (void)signal(SIGPIPE, SIG_IGN);
+#endif
}
-int OpenLog(const char *fileName)
+#if defined(AFS_PTHREAD_ENV)
+static void
+InitServerLogMutex(void)
+{
+ opr_Verify(pthread_mutex_init(&serverLogMutex, NULL) == 0);
+}
+#endif /* AFS_PTHREAD_ENV */
+
+/*!
+ * Redirect stdout and stderr to the log file.
+ *
+ * \note Call directly after opening the log file.
+ *
+ * \param[in] fileName log file name
+ */
+static void
+RedirectStdStreams(const char *fileName)
+{
+ if (freopen(fileName, "a", stdout) == NULL)
+ ; /* don't care */
+ if (freopen(fileName, "a", stderr) != NULL) {
+#ifdef HAVE_SETVBUF
+ setvbuf(stderr, NULL, _IONBF, 0);
+#else
+ setbuf(stderr, NULL);
+#endif
+ }
+}
+
+/*!
+ * Open the log file.
+ *
+ * Open the log file using the options given in OpenLog().
+ *
+ * \returns 0 on success
+ */
+static int
+OpenLogFile(const char *fileName)
{
/*
* This function should allow various libraries that inconsistently
* use stdout/stderr to all go to the same place
*/
int tempfd;
- char oldName[MAXPATHLEN];
+ int flags = O_WRONLY | O_CREAT | O_APPEND;
- strcpy(oldName, fileName);
- strcat(oldName, ".old");
+ opr_Assert(serverLogOpts.dest == logDest_file);
- /* don't check error */
- renamefile(fileName, oldName);
- tempfd = open(fileName, O_WRONLY|O_TRUNC|O_CREAT, 0666);
- if(tempfd < 0)
- {
+ opr_Assert(fileName != NULL);
+
+ if (IsFIFO(fileName)) {
+ /* Support named pipes as logs by not rotating them. */
+ flags |= O_NONBLOCK;
+ } else if (serverLogOpts.lopt_rotateOnOpen) {
+ /* Old style logging always started a new log file. */
+ flags |= O_TRUNC;
+ RenameLogFile(fileName);
+ }
+
+ tempfd = open(fileName, flags, 0666);
+ if (tempfd < 0) {
printf("Unable to open log file %s\n", fileName);
return -1;
}
+ RedirectStdStreams(fileName);
-#if defined(AFS_PTHREAD_ENV)
- /* redirect stdout and stderr so random printf's don't write to data */
- assert(freopen(NULLDEV, "w", stdout) != NULL);
- assert(freopen(NULLDEV, "w", stderr) != NULL);
-
- assert(pthread_mutex_init(&serverLogMutex, NULL) == 0);
+ /* Save our name for reopening. */
+ free(ourName);
+ ourName = strdup(fileName);
+ opr_Assert(ourName != NULL);
serverLogFD = tempfd;
-#else
- close(tempfd); /* just checking.... */
- freopen(fileName, "w", stdout);
- freopen(fileName, "w", stderr);
- serverLogFD = fileno(stdout);
-#endif /* AFS_PTHREAD_ENV */
return 0;
-} /*OpenLog*/
+}
-int ReOpenLog(const char *fileName)
+/*!
+ * Open the log file descriptor or a connection to the system log.
+ *
+ * This function should be called once during program initialization and
+ * must be called before calling FSLog() or WriteLogBuffer(). The
+ * fields of the given argument specify the logging destination and
+ * various optional features.
+ *
+ * The lopt_logLevel value specifies the initial logging level.
+ *
+ * The lopt_dest enum specifies the logging destination; either
+ * file based (logDest_file) or the system log (logDest_syslog).
+ *
+ * File Based Logging
+ * ------------------
+ *
+ * A file will be opened for log messages when the lopt_dest enum is set
+ * to logDest_file. The file specified by lopt_filename will be opened
+ * for appending log messages. A new file will be created if the log
+ * file does not exist.
+ *
+ * The lopt_rotateOnOpen flag specifies whether an existing log file is
+ * to be renamed and a new log file created during the call to OpenLog.
+ * The lopt_rotateOnOpen flag has no effect if the file given by
+ * lopt_filename is a named pipe (fifo).
+ *
+ * The lopt_rotateOnReset flag specifies whether the log file is renamed
+ * and then reopened when the reset signal (SIGHUP) is caught.
+ *
+ * The lopt_rotateStyle enum specifies how the new log file is renamed when
+ * lopt_rotateOnOpen or lopt_rotateOnReset are set. The lopt_rotateStyle
+ * may be the traditional Transarc style (logRotate_old) or the MR-AFS
+ * style (logRotate_timestamp).
+ *
+ * When lopt_rotateStyle is set to logRotate_old, the suffix ".old" is
+ * appended to the log file name. The existing ".old" log file is
+ * removed.
+ *
+ * When lopt_rotateStyle is set to logRotate_timestamp, a timestamp
+ * string is appended to the log file name and existing files are not
+ * removed.
+ *
+ * \note Messages written to stdout and stderr are redirected to the log
+ * file when file-based logging is in effect.
+ *
+ * System Logging
+ * --------------
+ *
+ * A connection to the system log (syslog) will be established for log
+ * messages when the lopt_dest enum is set to logDest_syslog.
+ *
+ * The lopt_facility specifies the system log facility to be used when
+ * writing messages to the system log.
+ *
+ * The lopt_tag string specifies the indentification string to be used
+ * when writing messages to the system log.
+ *
+ * \param opts logging options. A copy of the logging
+ * options will be made before returning to
+ * the caller.
+ *
+ * \returns 0 on success
+ */
+int
+OpenLog(struct logOptions *opts)
{
-#if !defined(AFS_PTHREAD_ENV)
- int tempfd;
+ int code;
+
+#if defined(AFS_PTHREAD_ENV)
+ opr_Verify(pthread_once(&serverLogOnce, InitServerLogMutex) == 0);
+#endif /* AFS_PTHREAD_ENV */
+
+ LogLevel = serverLogOpts.logLevel = opts->logLevel;
+ serverLogOpts.dest = opts->dest;
+ switch (serverLogOpts.dest) {
+ case logDest_file:
+ serverLogOpts.lopt_rotateOnOpen = opts->lopt_rotateOnOpen;
+ serverLogOpts.lopt_rotateOnReset = opts->lopt_rotateOnReset;
+ serverLogOpts.lopt_rotateStyle = opts->lopt_rotateStyle;
+ /* OpenLogFile() sets ourName; don't cache filename here. */
+ code = OpenLogFile(opts->lopt_filename);
+ break;
+#ifdef HAVE_SYSLOG
+ case logDest_syslog:
+ serverLogOpts.lopt_rotateOnOpen = 0;
+ serverLogOpts.lopt_rotateOnReset = 0;
+ serverLogOpts.lopt_rotateStyle = logRotate_none;
+ openlog(opts->lopt_tag, LOG_PID, opts->lopt_facility);
+ code = 0;
+ break;
#endif
+ default:
+ opr_Assert(0);
+ }
+ return code;
+} /*OpenLog */
+
+/*!
+ * Reopen the log file descriptor.
+ *
+ * Reopen the log file descriptor in order to support rotation
+ * of the log files. Has no effect when logging to the syslog.
+ *
+ * \returns 0 on success
+ */
+int
+ReOpenLog(void)
+{
+ int flags = O_WRONLY | O_APPEND | O_CREAT;
- if (access(fileName, F_OK)==0)
- return 0; /* exists, no need to reopen. */
+#ifdef HAVE_SYSLOG
+ if (serverLogOpts.dest == logDest_syslog) {
+ return 0;
+ }
+#endif
-#if defined(AFS_PTHREAD_ENV)
LOCK_SERVERLOG();
- if (serverLogFD > 0)
+ if (ourName == NULL) {
+ UNLOCK_SERVERLOG();
+ return -1;
+ }
+ if (IsFIFO(ourName)) {
+ flags |= O_NONBLOCK;
+ }
+ if (serverLogFD >= 0)
close(serverLogFD);
- serverLogFD = open(fileName,O_WRONLY|O_APPEND|O_CREAT, 0666);
+ serverLogFD = open(ourName, flags, 0666);
+ if (serverLogFD >= 0) {
+ RedirectStdStreams(ourName);
+ }
UNLOCK_SERVERLOG();
return serverLogFD < 0 ? -1 : 0;
-#else
+}
- tempfd = open(fileName,O_WRONLY|O_APPEND|O_CREAT, 0666);
- if(tempfd < 0)
- {
- printf("Unable to open log file %s\n", fileName);
- return -1;
+/*!
+ * Rotate the log file by renaming then truncating.
+ */
+static void
+RotateLogFile(void)
+{
+ LOCK_SERVERLOG();
+ if (ourName != NULL) {
+ if (serverLogFD >= 0) {
+ close(serverLogFD);
+ serverLogFD = -1;
+ }
+ OpenLogFile(ourName);
}
- close(tempfd);
+ UNLOCK_SERVERLOG();
+}
- freopen(fileName, "a", stdout);
- freopen(fileName, "a", stderr);
- serverLogFD = fileno(stdout);
-
+/*!
+ * Close the server log file.
+ *
+ * \note Must be preceeded by OpenLog().
+ */
+void
+CloseLog(void)
+{
+ LOCK_SERVERLOG();
- return 0;
-#endif /* AFS_PTHREAD_ENV */
+#ifdef HAVE_SYSLOG
+ if (serverLogOpts.dest == logDest_syslog) {
+ closelog();
+ } else
+#endif
+ {
+ if (serverLogFD >= 0) {
+ close(serverLogFD);
+ serverLogFD = -1;
+ }
+ free(ourName);
+ ourName = NULL;
+ }
+ UNLOCK_SERVERLOG();
}
git://git.openafs.org / openafs.git / blobdiff