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authorSergey Poznyakoff <gray@gnu.org.ua>2013-10-10 21:12:43 (GMT)
committer Sergey Poznyakoff <gray@gnu.org.ua>2013-10-11 09:22:57 (GMT)
commitdf83b714395d41b096f7ad8cc3a090c9341f7598 (patch) (side-by-side diff)
tree1c3bcc412e633d3fc678e2cc083ea947e5dcd8e8
downloadvmod-binlog-df83b714395d41b096f7ad8cc3a090c9341f7598.tar.gz
vmod-binlog-df83b714395d41b096f7ad8cc3a090c9341f7598.tar.bz2
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-rw-r--r--.gitignore28
-rw-r--r--AUTHORS1
-rw-r--r--COPYING674
-rw-r--r--Makefile.am28
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-rw-r--r--README0
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-rw-r--r--src/binlog.c516
-rw-r--r--src/binlogcat.c134
-rw-r--r--src/vmod-binlog.h71
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diff --git a/.gitignore b/.gitignore
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+*.a
+*.la
+*.lo
+*.o
+*.tar.*
+*~
+.deps
+.emacs*
+.gdbinit
+.libs
+ABOUT-NLS
+ChangeLog
+INSTALL
+Makefile
+Makefile.in
+TAGS
+aclocal.m4
+autom4te.cache/
+build-aux
+config.h
+config.h.in
+config.log
+config.status
+configure
+core
+libtool
+m4
+stamp-h1
diff --git a/AUTHORS b/AUTHORS
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--- a/dev/null
+++ b/AUTHORS
@@ -0,0 +1 @@
+Sergey Poznyakoff <gray@gnu.org>, <gray@gnu.org.ua>
diff --git a/COPYING b/COPYING
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--- a/dev/null
+++ b/COPYING
@@ -0,0 +1,674 @@
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+combination as such.
+
+ 14. Revised Versions of this License.
+
+ The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..221d1c0
--- a/dev/null
+++ b/Makefile.am
@@ -0,0 +1,28 @@
+# This file is part of vmod-binlog
+# Copyright (C) 2013 Sergey Poznyakoff
+#
+# Vmod-binlog 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 3, or (at your option)
+# any later version.
+#
+# Vmod-binlog 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 vmod-sql. If not, see <http://www.gnu.org/licenses/>.
+ACLOCAL_AMFLAGS = -I m4
+
+SUBDIRS = src #doc tests
+
+EXTRA_DIST=git2chg.awk
+
+.PHONY: ChangeLog
+ChangeLog:
+ $(AM_V_GEN)if test -d .git; then \
+ git log --pretty='format:%ct %an <%ae>%n%n%s%n%n%b%n' | \
+ awk -f $(top_srcdir)/git2chg.awk > ChangeLog; \
+ fi
+
diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..e69de29
--- a/dev/null
+++ b/NEWS
diff --git a/README b/README
new file mode 100644
index 0000000..e69de29
--- a/dev/null
+++ b/README
diff --git a/bootstrap b/bootstrap
new file mode 100755
index 0000000..89ccf31
--- a/dev/null
+++ b/bootstrap
@@ -0,0 +1,7 @@
+#!/bin/sh
+for dir in m4 build-aux
+do
+ test -d $dir || mkdir $dir
+done
+test -f ChangeLog || touch ChangeLog
+autoreconf -f -i -s
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..2924eae
--- a/dev/null
+++ b/configure.ac
@@ -0,0 +1,106 @@
+# This file is part of vmod-binlog
+# Copyright (C) 2013 Sergey Poznyakoff
+#
+# Vmod-binlog is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# Vmod-binlog is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with vmod-sql. If not, see <http://www.gnu.org/licenses/>.
+AC_PREREQ(2.69)
+AC_INIT([vmod-binlog], 1.0, [gray@gnu.org])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_SRCDIR(src/binlog.c)
+AM_CONFIG_HEADER(config.h)
+
+AC_CANONICAL_SYSTEM
+AC_LANG(C)
+
+AM_INIT_AUTOMAKE([gnu tar-ustar])
+
+AC_GNU_SOURCE
+AC_PROG_CC
+AC_PROG_CC_STDC
+if test "x$ac_cv_prog_cc_c99" = xno; then
+ AC_MSG_ERROR([could not find a C99 compatible compiler])
+fi
+AC_PROG_CPP
+
+AC_PROG_INSTALL
+AC_PROG_LIBTOOL
+AC_PROG_MAKE_SET
+
+# Check for pkg-config
+PKG_PROG_PKG_CONFIG
+
+AC_SYS_LARGEFILE
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS([sys/stdlib.h])
+
+# Check for python
+AC_CHECK_PROGS(PYTHON, [python], [
+ AC_MSG_ERROR([python is not found.])])
+
+# Varnish source tree
+AC_ARG_VAR([VARNISHSRC], [path to Varnish source tree])
+AC_ARG_WITH([varnish-source],
+ AC_HELP_STRING([--with-varnish-source=DIR],
+ [Varnish sources are located in DIR]),
+ [VARNISHSRC=$withval])
+
+if test -z "$VARNISHSRC"; then
+ AC_MSG_ERROR([no Varnish source tree specified])
+fi
+case "$VARNISHSRC" in
+/*) ;;
+*) AC_MSG_ERROR([varnish source path must be absolute pathname])
+esac
+
+VARNISHSRC=`cd $VARNISHSRC && pwd`
+AC_CHECK_FILE([$VARNISHSRC/include/varnishapi.h],
+ [],
+ [AC_MSG_FAILURE(["$VARNISHSRC" is not a Varnish source directory])])
+
+# Check that varnishtest is built in the varnish source directory
+AC_CHECK_FILE([$VARNISHSRC/bin/varnishtest/varnishtest],
+ [],
+ [AC_MSG_FAILURE([cannot find "$VARNISHSRC/bin/varnishtest/varnishtest". Please build your varnish source directory])]
+)
+
+# vmod installation dir
+AC_ARG_VAR([VMODDIR],
+ [vmod installation directory @<:@LIBDIR/varnish/vmods@:>@])
+AC_ARG_WITH([vmod-dir],
+ AC_HELP_STRING([--with-vmod-dir@<:@=DIR@:>@],
+ [install modules to DIR; if used without arguments, install them to the varnish module directory]),
+ [case "$withval" in
+ yes)
+ VMODDIR=`pkg-config --variable=vmoddir varnishapi`
+ if test -z "$VMODDIR"; then
+ AC_MSG_FAILURE([cannot determine vmod installation directory])
+ fi;;
+ /*) VMODDIR=$withval;;
+ *) AC_MSG_ERROR([argument to --with-vmod-dir must be absolute pathname])
+ esac])
+
+if test -z "$VMODDIR"; then
+ VMODDIR='$(libdir)/varnish/mods'
+fi
+
+dnl FIXME: tests/Makefile
+dnl FIXME: doc/Makefile
+AC_CONFIG_FILES([
+ Makefile
+ src/Makefile
+])
+AC_OUTPUT
+
diff --git a/git2chg.awk b/git2chg.awk
new file mode 100644
index 0000000..1e75254
--- a/dev/null
+++ b/git2chg.awk
@@ -0,0 +1,75 @@
+# This file is part of grecs
+# Copyright (C) 2007, 2009-2012 Sergey Poznyakoff
+#
+# Grecs 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 3, or (at your option)
+# any later version.
+#
+# Grecs 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 Grecs. If not, see <http://www.gnu.org/licenses/>.
+
+BEGIN {
+ if (since)
+ split(since,since_a,"-")
+}
+
+function timeok(t, a) {
+ if (!since)
+ return 1
+ split(t,a,"-")
+ if (a[1] < since_a[1])
+ return 0
+ if (a[1] > since_a[1])
+ return 1
+ if (a[2] < since_a[2])
+ return 0
+ if (a[2] > since_a[2])
+ return 1
+ return a[3] > since_a[3]
+}
+
+/^[0-9]+ .* +<[^>]+>/ {
+ s = strftime("%F", $1)
+ if (!timeok(s))
+ exit
+ sub(/^[0-9]+ +/,"")
+ if (s == datestr && author == $0)
+ next
+ datestr = s
+ author = $0
+ if (runlen) { runlen = 0; print "" }
+ printf("%s %s\n", datestr, author)
+ next
+}
+/^Signed-off-by:/ { next }
+/^<unknown>$/ { next }
+NF==0 {
+ runlen++
+ next
+}
+{ if (runlen) { runlen = 0; print "" }
+ print "\t" $0 }
+
+END {
+ if (append) {
+ print ""
+ while ((getline < append) > 0) {
+ if (match($0, /^Local *Variables:/))
+ break
+ print
+ }
+ }
+ print "\f"
+ # Make sure Emacs won't recognize this line:
+ print "Local", "Variables:"
+ print "mode: change-log"
+ print "version-control: never"
+ print "buffer-read-only: t"
+ print "End:"
+}
diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 0000000..7f6e438
--- a/dev/null
+++ b/src/.gitignore
@@ -0,0 +1,2 @@
+vcc_if.c
+vcc_if.h
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..c9daf9a
--- a/dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,41 @@
+# This file is part of vmod-binlog
+# Copyright (C) 2013 Sergey Poznyakoff
+#
+# Vmod-binlog is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# Vmod-binlog is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with vmod-binlog. If not, see <http://www.gnu.org/licenses/>.
+
+AM_CPPFLAGS = -I$(VARNISHSRC)/include -I$(VARNISHSRC)
+
+bin_PROGRAMS = binlogcat
+binlogcat_SOURCES = binlogcat.c
+
+vmoddir = $(VMODDIR)
+vmod_LTLIBRARIES = libvmod_binlog.la
+
+libvmod_binlog_la_LDFLAGS = -module -export-dynamic -avoid-version
+libvmod_binlog_la_LIBADD=
+
+libvmod_binlog_la_SOURCES = \
+ binlog.c\
+ vmod-binlog.h\
+ vcc_if.c vcc_if.h
+
+BUILT_SOURCES = vcc_if.c vcc_if.h
+
+vcc_if.c vcc_if.h: $(VARNISHSRC)/lib/libvmod_std/vmod.py $(top_srcdir)/src/vmod.vcc
+ @PYTHON@ $(VARNISHSRC)/lib/libvmod_std/vmod.py $(top_srcdir)/src/vmod.vcc
+
+EXTRA_DIST = vmod.vcc
+
+CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h
+
diff --git a/src/binlog.c b/src/binlog.c
new file mode 100644
index 0000000..f896803
--- a/dev/null
+++ b/src/binlog.c
@@ -0,0 +1,516 @@
+/* This file is part of vmod-binlog
+ Copyright (C) 2013 Sergey Poznyakoff
+
+ Vmod-binlog 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 3, or (at your option)
+ any later version.
+
+ Vmod-binlog 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 vmod-binlog. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <syslog.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <time.h>
+#include "vrt.h"
+#include "vcc_if.h"
+#include "bin/varnishd/cache.h"
+#include "vmod-binlog.h"
+
+#ifndef O_SEARCH
+# define O_SEARCH 0
+#endif
+
+#define BLF_ROUNDTS 0x01
+
+struct binlog_config {
+ size_t size; /* maximum file size */
+ unsigned interval; /* file rotation interval */
+ char *pattern; /* file name pattern */
+ int umask; /* umask for new files and directories */
+ char *dir; /* root storage directory */
+ int dd; /* directory descriptor */
+ char *fname; /* current file name */
+ int fd; /* current file descriptor */
+ union binlog_header *base; /* mmap base */
+ struct binlog_record *recbase; /* record base */
+ size_t recnum; /* number of records in recbase */
+ size_t recidx; /* index of the next free entry in recbase */
+ time_t stoptime; /* when to rotate the current file */
+ pthread_mutex_t mutex;
+ int debug;
+ int flags;
+};
+
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+void
+binlog_error(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ vsyslog(LOG_DAEMON|LOG_ERR, fmt, ap);
+ va_end(ap);
+}
+
+void
+binlog_debug(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ vsyslog(LOG_DAEMON|LOG_DEBUG, fmt, ap);
+ va_end(ap);
+}
+
+#define debug(c,l,s) do { if ((c)->debug>=(l)) binlog_debug s; } while(0)
+
+int
+module_init(struct vmod_priv *priv, const struct VCL_conf *vclconf)
+{
+ struct binlog_config *conf = calloc(1, sizeof(*conf));
+ AN(conf);
+ priv->priv = conf;
+ return 0;
+}
+
+static char *
+findparam(const char *param, char *name)
+{
+ const char *p;
+ char *q;
+
+ while (*param) {
+ for (p = param, q = name; *p && *q && *p == *q; p++, q++);
+ for (param = p; *param && *param != ';'; param++);
+ if (*q == 0 && *p == '=') {
+ size_t len = param - p - 1;
+ q = malloc(len + 1);
+ AN(q);
+ memcpy(q, p + 1, len);
+ q[len] = 0;
+ return q;
+ }
+ if (*param)
+ ++param;
+ }
+ return NULL;
+}
+
+static unsigned long
+getinterval(char *p, char **endp)
+{
+ int n;
+ unsigned long hours = 0, minutes = 0, seconds = 0;
+
+ for (;;) {
+ n = 0;
+ while (*p && isdigit(*p)) {
+ n = 10*n + *p - '0';
+ p++;
+ }
+
+ switch (*p) {
+ case 'h':
+ case 'H':
+ if (hours) {
+ *endp = p;
+ return -1;
+ }
+ hours = n;
+ break;
+ case 'm':
+ case 'M':
+ if (minutes) {
+ *endp = p;
+ return -1;
+ }
+ minutes = n;
+ break;
+ case 's':
+ case 'S':
+ if (seconds) {
+ *endp = p;
+ return -1;
+ }
+ seconds = n;
+ break;
+ default:
+ *endp = p;
+ if (!hours && !minutes && !seconds)
+ return n;
+ return (hours*60 + minutes)*60 + seconds;
+ }
+ p++;
+ }
+}
+
+void
+vmod_init(struct sess *sp, struct vmod_priv *priv, const char *param)
+{
+ struct binlog_config *conf = priv->priv;
+ struct stat st;
+ char *dir, *p, *q;
+ unsigned long n;
+
+ p = findparam(param, "debug");
+ if (p) {
+ conf->debug = atoi(p);
+ free(p);
+ }
+
+ dir = findparam(param, "dir");
+ if (!dir) {
+ binlog_error("parameter \"dir\" not set");
+ abort();
+ }
+ if (stat(dir, &st)) {
+ if (errno == ENOENT)
+ binlog_error("logging directory does not exist");
+ else
+ binlog_error("cannot stat logging directory %s: %s",
+ dir, strerror(errno));
+ abort();
+ }
+ if (!S_ISDIR(st.st_mode)) {
+ binlog_error("%s exists, but is not a directory");
+ abort();
+ }
+ conf->dd = open(dir, O_SEARCH | O_DIRECTORY);
+ if (conf->dd == -1) {
+ binlog_error("cannot open directory %s: %s",
+ dir, strerror(errno));
+ abort();
+ }
+ conf->dir = dir;
+
+ p = findparam(param, "pattern");
+ if (!p) {
+ p = strdup(BINLOG_PATTERN);
+ AN(p);
+ }
+ conf->pattern = p;
+
+ p = findparam(param, "size");
+ if (p) {
+ uintmax_t u;
+
+ errno = 0;
+ u = strtoul(p, &q, 10);
+ if (errno) {
+ binlog_error("invalid size value");
+ abort();
+ }
+ free(p);
+ switch (*q) {
+ case 'g':
+ case 'G':
+ u <<= 10;
+ case 'm':
+ case 'M':
+ u <<= 10;
+ case 'k':
+ case 'K':
+ u <<= 10;
+ }
+ if (u > SIZE_T_MAX) {
+ binlog_error("invalid size value");
+ abort();
+ }
+ conf->size = u;
+ } else
+ conf->size = BINLOG_SIZE;
+
+ p = findparam(param, "interval");
+ if (p) {
+ conf->interval = getinterval(p, &q);
+ free(p);
+ if (*q) {
+ binlog_error("invalid interval (near \"%s\")", q);
+ abort();
+ }
+ } else
+ conf->interval = BINLOG_INTERVAL;
+
+ p = findparam(param, "umask");
+ if (p) {
+ n = strtoul(p, &q, 8);
+ free(p);
+ if (n & ~0777) {
+ binlog_error("umask out of range");
+ abort();
+ }
+ if (*q) {
+ binlog_error("invalid umask (near \"%s\")", q);
+ abort();
+ }
+ } else
+ conf->umask = BINLOG_UMASK;
+
+ p = findparam(param, "roundts");
+ if (p) {
+ if (atoi(p))
+ conf->flags |= BLF_ROUNDTS;
+ else
+ conf->flags &= ~BLF_ROUNDTS;
+ free(p);
+ }
+
+ conf->fd = -1;
+ conf->base = NULL;
+ conf->stoptime = time(NULL);
+ pthread_mutex_init(&conf->mutex, NULL);
+}
+
+static char *
+mkfilename(struct sess *sp, struct binlog_config *conf)
+{
+ time_t ts = time(NULL);
+ size_t u, n;
+ char *p, *q;
+
+ if (conf->flags & BLF_ROUNDTS)
+ ts -= ts % conf->interval;
+ u = WS_Reserve(sp->wrk->ws, 0);
+ p = sp->wrk->ws->f;
+ n = strftime(p, u, conf->pattern, gmtime(&ts));
+ if (n == 0) {
+ WS_Release(sp->wrk->ws, 0);
+ return NULL;
+ }
+ q = strdup(p);
+ AN(q);
+ WS_Release(sp->wrk->ws, 0);
+ return q;
+}
+
+static int
+mkdir_p(struct binlog_config *conf, char *dir)
+{
+ int rc = 0;
+ char *p;
+ struct stat st;
+
+ for (p = dir; rc == 0 && *p; p++) {
+ if (*p != '/')
+ continue;
+ *p = 0;
+ rc = fstatat(conf->dd, dir, &st, 0);
+ if (rc) {
+ if (errno == ENOENT) {
+ rc = mkdirat(conf->dd, dir,
+ 0777 & ~conf->umask);
+ if (rc)
+ binlog_error("cannot create %s: %s",
+ dir,
+ strerror(errno));
+ } else
+ binlog_error("cannot stat %s: %s", dir,
+ strerror(errno));
+ } else if (!S_ISDIR(st.st_mode)) {
+ binlog_error("component \"%s\" is not a directory",
+ dir);
+ rc = -1;
+ }
+ *p = '/';
+ }
+ return rc;
+}
+
+static int
+createfile(struct sess *sp, struct binlog_config *conf)
+{
+ char *fname;
+ int fd;
+
+ conf->fname = NULL;
+ conf->fd = -1;
+
+ fname = mkfilename(sp, conf);
+ if (!fname)
+ return -1;
+ if (mkdir_p(conf, fname)) {
+ free(fname);
+ return -1;
+ }
+
+ fd = openat(conf->dd, fname, O_CREAT|O_RDWR|O_TRUNC,
+ 0666 & ~conf->umask);
+ if (fd == -1) {
+ binlog_error("cannot create log file %s/%s: %s",
+ conf->dir, fname, strerror(errno));
+ free(fname);
+ }
+
+ conf->fname = fname;
+ conf->fd = fd;
+ return 0;
+}
+
+static void
+reset(struct binlog_config *conf)
+{
+ conf->fname = NULL;
+ conf->fd = -1;
+ conf->base = NULL;
+ conf->recbase = NULL;
+ conf->recnum = 0;
+ conf->recidx = 0;
+}
+
+static int
+setstoptime(struct binlog_config *conf)
+{
+ time_t ts;
+
+ ts = time(NULL);
+ conf->stoptime = ts - ts % conf->interval + conf->interval;
+}
+
+static int
+newfile(struct sess *sp, struct binlog_config *conf)
+{
+ int c;
+ void *base;
+
+ setstoptime(conf);
+
+ if (createfile(sp, conf))
+ return -1;
+ if (lseek(conf->fd, conf->size, SEEK_SET) == -1) {
+ binlog_error("seek in log file %s/%s failed: %s",
+ conf->dir, conf->fname, strerror(errno));
+ unlinkat(conf->dd, conf->fname, 0);
+ close(conf->fd);
+ free(conf->fname);
+ reset(conf);
+ return -1;
+ }
+ c = 0;
+ write(conf->fd, &c, 1);
+ base = mmap((caddr_t)0, conf->size,
+ PROT_READ|PROT_WRITE, MAP_SHARED,
+ conf->fd, 0);
+ if (base == MAP_FAILED) {
+ binlog_error("mmap: %s", strerror(errno));
+ unlinkat(conf->dd, conf->fname, 0);
+ close(conf->fd);
+ free(conf->fname);
+ reset(conf);
+ return -1;
+ }
+
+ conf->base = base;
+ memcpy(conf->base->hdr.magic, BINLOG_MAGIC_STR, BINLOG_MAGIC_LEN);
+ conf->base->hdr.version = BINLOG_VERSION;
+ conf->base->hdr.recsize = sizeof(struct binlog_record);
+ conf->base->hdr.recnum = 0;
+
+ conf->recbase = (struct binlog_record *) (conf->base + 1);
+ conf->recnum = binlog_recnum(conf);
+ conf->recidx = 0;
+
+ debug(conf,1,("created new log file %s",conf->fname));
+ return 0;
+}
+
+static void
+closefile(struct sess *sp, struct binlog_config *conf)
+{
+ if (conf->fd == -1)
+ return;
+ debug(conf,1,("closing log file %s",conf->fname));
+ munmap(conf->base, conf->size);
+ if (ftruncate(conf->fd, binlog_size(conf)))
+ binlog_error("error truncating \"%s/%s\": %s",
+ conf->dir, conf->fname, strerror(errno));
+ close(conf->fd);
+ free(conf->fname);
+ reset(conf);
+}
+
+
+void
+vmod_append(struct sess *sp, struct vmod_priv *priv, int nid, int aid)
+{
+ struct binlog_config *conf = priv->priv;
+ time_t ts;
+
+ if (!conf)
+ return;
+
+ ts = time(NULL);
+
+ if (ts >= conf->stoptime) {
+ AZ(pthread_mutex_lock(&conf->mutex));
+ closefile(sp, conf);
+ newfile(sp, conf);
+ AZ(pthread_mutex_unlock(&conf->mutex));
+ }
+ if (conf->fd == -1)
+ return;
+
+ AZ(pthread_mutex_lock(&conf->mutex));
+ if (conf->recidx == conf->recnum) {
+ binlog_error("overflow of %s/%s", conf->dir, conf->fname);
+ } else {
+ struct binlog_record *p = conf->recbase + conf->recidx++;
+ p->nid = nid;
+ p->aid = aid;
+ p->ts = ts;
+ conf->base->hdr.recnum++;
+ }
+ AZ(pthread_mutex_unlock(&conf->mutex));
+}
+
+void
+vmod_sappend(struct sess *sp, struct vmod_priv *priv, const char *nid,
+ const char *aid)
+{
+ vmod_append(sp, priv, nid ? atoi(nid): 0, aid ? atoi(aid) : 0);
+}
+
+void
+vmod_sync(struct sess *sp, struct vmod_priv *priv)
+{
+ struct binlog_config *conf = priv->priv;
+
+ if (!conf)
+ return;
+
+ AZ(pthread_mutex_lock(&conf->mutex));
+ if (conf->base)
+ msync(conf->base, binlog_size(conf), 0);
+ AZ(pthread_mutex_unlock(&conf->mutex));
+}
+
+void
+vmod_close(struct sess *sp, struct vmod_priv *priv)
+{
+ struct binlog_config *conf = priv->priv;
+
+ if (!conf)
+ return;
+
+ mutex = conf->mutex;
+ AZ(pthread_mutex_lock(&mutex));
+ closefile(sp, conf);
+ close(conf->dd);
+ free(conf->dir);
+ free(conf->pattern);
+ free(conf);
+ AZ(pthread_mutex_unlock(&mutex));
+}
+
diff --git a/src/binlogcat.c b/src/binlogcat.c
new file mode 100644
index 0000000..c51125b
--- a/dev/null
+++ b/src/binlogcat.c
@@ -0,0 +1,134 @@
+/* This file is part of vmod-binlog
+ Copyright (C) 2013 Sergey Poznyakoff
+
+ Vmod-binlog 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 3, or (at your option)
+ any later version.
+
+ Vmod-binlog 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 vmod-binlog. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <time.h>
+#include <string.h>
+#include "vmod-binlog.h"
+
+char *progname;
+char *timefmt = "%c";
+int number_option;
+int verbose_option;
+
+void
+catlog(const char *fname)
+{
+ FILE *fp;
+ union binlog_header header;
+ struct binlog_record rec;
+ char timebuf[128];
+ size_t i;
+
+ if (strcmp(fname, "-") == 0)
+ fp = stdin;
+ else {
+ fp = fopen(fname, "r");
+ if (!fp) {
+ fprintf(stderr, "%s: cannot open %s: %s\n",
+ progname, fname, strerror(errno));
+ exit(1);
+ }
+ }
+
+ if (fread(&header, sizeof(header), 1, fp) != 1) {
+ fprintf(stderr, "%s: error reading header of %s: %s\n",
+ progname, fname, strerror(errno));
+ exit(1);
+ }
+
+ if (memcmp(header.hdr.magic, BINLOG_MAGIC_STR, BINLOG_MAGIC_LEN)) {
+ fprintf(stderr, "%s: %s is not a binlog file\n",
+ progname, fname);
+ exit(1);
+ }
+
+ if (header.hdr.version != BINLOG_VERSION) {
+ fprintf(stderr, "%s: %s: unknown version\n",
+ progname, fname);
+ exit(1);
+ }
+
+ if (header.hdr.recsize != sizeof(struct binlog_record)) {
+ fprintf(stderr, "%s: %s: record length mismatch\n",
+ progname, fname);
+ exit(1);
+ }
+
+ if (verbose_option)
+ printf("# %s; %lu records\n", fname, header.hdr.recnum);
+
+ for (i = 0; i < header.hdr.recnum; i++) {
+ if (fread(&rec, sizeof(rec), 1, fp) != 1) {
+ fprintf(stderr, "%s: %s: unexpected eof\n",
+ progname, fname);
+ break;
+ }
+
+ strftime(timebuf, sizeof timebuf, timefmt, localtime(&rec.ts));
+ if (number_option)
+ printf("%lu ", (unsigned long) i);
+ printf("%s %ld %ld\n", timebuf, rec.nid, rec.aid);
+ }
+
+ fclose(fp);
+}
+
+void
+help()
+{
+ printf("usage: %s [-hnv] [t FORMAT] [FILE...]\n");
+}
+
+int
+main(int argc, char **argv)
+{
+ progname = argv[0];
+ int c;
+
+ while ((c = getopt(argc, argv, "ht:nv")) != EOF)
+ switch (c) {
+ case 'h':
+ help();
+ return 0;
+ case 't':
+ timefmt = optarg;
+ break;
+ case 'n':
+ number_option = 1;
+ break;
+ case 'v':
+ verbose_option = 1;
+ break;
+ default:
+ exit(1);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc == 0)
+ catlog("-");
+ else while (argc--)
+ catlog(*(argv++));
+ return 0;
+}
+
diff --git a/src/vmod-binlog.h b/src/vmod-binlog.h
new file mode 100644
index 0000000..db6c7f0
--- a/dev/null
+++ b/src/vmod-binlog.h
@@ -0,0 +1,71 @@
+/* This file is part of vmod-binlog
+ Copyright (C) 2013 Sergey Poznyakoff
+
+ Vmod-binlog 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 3, or (at your option)
+ any later version.
+
+ Vmod-binlog 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 vmod-binlog. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+
+#define SIZE_T_MAX ((size_t)~0)
+
+#ifndef BINLOG_SIZE
+# define BINLOG_SIZE (1024*1024*1024)
+#endif
+
+#ifndef BINLOG_PATTERN
+# define BINLOG_PATTERN "%Y/%m/%d.log"
+#endif
+
+#ifndef BINLOG_INTERVAL
+# define BINLOG_INTERVAL 86400
+#endif
+
+#ifndef BINLOG_UMASK
+# define BINLOG_UMASK 0077
+#endif
+
+struct binlog_record {
+ long nid; /* node ID */
+ long aid; /* article ID */
+ time_t ts; /* timestamp */
+};
+
+#define BINLOG_MAGIC_STR "NXCBINLOG"
+#define BINLOG_MAGIC_LEN (sizeof(BINLOG_MAGIC_STR) - 1)
+#define BINLOG_VERSION 0x00010000UL
+
+struct binlog_file_header {
+ char magic[BINLOG_MAGIC_LEN];
+ char pad[16 - BINLOG_MAGIC_LEN];
+ uint32_t version;
+ size_t recsize;
+ size_t recnum;
+};
+
+#define BINLOG_HEADER_SIZE \
+ ((sizeof(struct binlog_file_header) + sizeof(struct binlog_record) - 1) / \
+ sizeof(struct binlog_record))
+
+union binlog_header {
+ struct binlog_file_header hdr;
+ struct binlog_record pad[BINLOG_HEADER_SIZE];
+};
+
+#define binlog_size(conf) \
+ (sizeof(union binlog_header) + \
+ (conf)->recidx * sizeof(struct binlog_record))
+#define binlog_recnum(conf) \
+ (((conf)->size - sizeof(union binlog_header)) / \
+ sizeof(struct binlog_record))
+
diff --git a/src/vmod.vcc b/src/vmod.vcc
new file mode 100644
index 0000000..def0ec3
--- a/dev/null
+++ b/src/vmod.vcc
@@ -0,0 +1,7 @@
+Module binlog
+Init module_init
+Function VOID init(PRIV_VCL, STRING)
+Function VOID append(PRIV_VCL, INT, INT)
+Function VOID sappend(PRIV_VCL, STRING, STRING)
+Function VOID sync(PRIV_VCL)
+Function VOID close(PRIV_VCL)

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