/*
- * DEBUG: section 50 Log file handling
- * AUTHOR: Duane Wessels
- *
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
-#include "squid-old.h"
+/* DEBUG: section 50 Log file handling */
+
+#include "squid.h"
+#include "fatal.h"
+#include "fd.h"
#include "fde.h"
+#include "fs_io.h"
+#include "globals.h"
#include "log/File.h"
#include "log/ModStdio.h"
+#include "SquidConfig.h"
+
+#include <cerrno>
typedef struct {
int fd;
l_stdio_t *ll = (l_stdio_t *) lf->data;
size_t s;
s = FD_WRITE_METHOD(ll->fd, (char const *) buf, len);
+ int xerrno = errno;
fd_bytes(ll->fd, s, FD_WRITE);
if (s == len)
if (!lf->flags.fatal)
return;
- fatalf("logfileWrite: %s: %s\n", lf->path, xstrerror());
+ fatalf("logfileWrite: %s: %s\n", lf->path, xstrerr(xerrno));
}
static void
}
static void
-logfile_mod_stdio_linestart(Logfile * lf)
+logfile_mod_stdio_linestart(Logfile *)
{
}
}
static void
-logfile_mod_stdio_rotate(Logfile * lf)
+logfile_mod_stdio_rotate(Logfile * lf, const int16_t nRotate)
{
#ifdef S_ISREG
struct stat sb;
#endif
- int i;
- char from[MAXPATHLEN];
- char to[MAXPATHLEN];
l_stdio_t *ll = (l_stdio_t *) lf->data;
- assert(lf->path);
const char *realpath = lf->path+6; // skip 'stdio:' prefix.
assert(realpath);
debugs(0, DBG_IMPORTANT, "Rotate log file " << lf->path);
+ SBuf basePath(realpath);
+
/* Rotate numbers 0 through N up one */
- for (i = Config.Log.rotateNumber; i > 1;) {
- i--;
- snprintf(from, MAXPATHLEN, "%s.%d", realpath, i - 1);
- snprintf(to, MAXPATHLEN, "%s.%d", realpath, i);
- xrename(from, to);
+ for (int16_t i = nRotate; i > 1;) {
+ --i;
+ SBuf from(basePath);
+ from.appendf(".%d", i-1);
+ SBuf to(basePath);
+ to.appendf(".%d", i);
+ FileRename(from, to);
+ // TODO handle rename errors
}
/* Rotate the current log to .0 */
logfileFlush(lf);
- file_close(ll->fd); /* always close */
+ file_close(ll->fd); /* always close */
- if (Config.Log.rotateNumber > 0) {
- snprintf(to, MAXPATHLEN, "%s.%d", realpath, 0);
- xrename(realpath, to);
+ if (nRotate > 0) {
+ SBuf to(basePath);
+ to.appendf(".0");
+ FileRename(basePath, to);
+ // TODO handle rename errors
}
/* Reopen the log. It may have been renamed "manually" */
ll->fd = file_open(realpath, O_WRONLY | O_CREAT | O_TEXT);
if (DISK_ERROR == ll->fd && lf->flags.fatal) {
- debugs(50, DBG_CRITICAL, "ERROR: logfileRotate: " << lf->path << ": " << xstrerror());
- fatalf("Cannot open %s: %s", lf->path, xstrerror());
+ int xerrno = errno;
+ debugs(50, DBG_CRITICAL, MYNAME << "ERROR: " << lf->path << ": " << xstrerr(xerrno));
+ fatalf("Cannot open %s: %s", lf->path, xstrerr(xerrno));
}
}
ll->fd = file_open(path, O_WRONLY | O_CREAT | O_TEXT);
if (DISK_ERROR == ll->fd) {
- if (ENOENT == errno && fatal_flag) {
+ int xerrno = errno;
+ if (ENOENT == xerrno && fatal_flag) {
fatalf("Cannot open '%s' because\n"
"\tthe parent directory does not exist.\n"
"\tPlease create the directory.\n", path);
- } else if (EACCES == errno && fatal_flag) {
+ } else if (EACCES == xerrno && fatal_flag) {
fatalf("Cannot open '%s' for writing.\n"
"\tThe parent directory must be writeable by the\n"
"\tuser '%s', which is the cache_effective_user\n"
"\tset in squid.conf.", path, Config.effectiveUser);
- } else if (EISDIR == errno && fatal_flag) {
+ } else if (EISDIR == xerrno && fatal_flag) {
fatalf("Cannot open '%s' because it is a directory, not a file.\n", path);
} else {
- debugs(50, DBG_IMPORTANT, "ERROR: logfileOpen " << lf->path << ": " << xstrerror());
+ debugs(50, DBG_IMPORTANT, MYNAME << "ERROR: " << lf->path << ": " << xstrerr(xerrno));
return 0;
}
}
}
return 1;
}
+
projects / thirdparty / squid.git / blobdiff