![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/daemon/sysdbd.c b/src/daemon/sysdbd.c
--- /dev/null
+++ b/src/daemon/sysdbd.c
@@ -0,0 +1,236 @@
+/*
+ * SysDB - src/sysdbd.c
+ * Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "sysdb.h"
+#include "core/plugin.h"
+#include "core/store.h"
+#include "utils/string.h"
+
+#include "daemon/config.h"
+
+#if HAVE_LIBGEN_H
+# include <libgen.h>
+#else /* HAVE_LIBGEN_H */
+# define basename(path) (path)
+#endif /* ! HAVE_LIBGEN_H */
+
+#include <errno.h>
+
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <signal.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <unistd.h>
+
+#ifndef CONFIGFILE
+# define CONFIGFILE SYSCONFDIR"/sysdb/sysdbd.conf"
+#endif
+
+static sdb_plugin_loop_t plugin_main_loop = SDB_PLUGIN_LOOP_INIT;
+
+static void
+sigintterm_handler(int __attribute__((unused)) signo)
+{
+ plugin_main_loop.do_loop = 0;
+} /* sigintterm_handler */
+
+static void
+exit_usage(char *name, int status)
+{
+ printf(
+"Usage: %s <options>\n"
+
+"\nOptions:\n"
+" -C FILE the main configuration file\n"
+" default: "CONFIGFILE"\n"
+" -d run in background (daemonize)\n"
+"\n"
+" -h display this help and exit\n"
+" -V display the version number and copyright\n"
+
+"\nSysDB daemon "SDB_VERSION_STRING SDB_VERSION_EXTRA", "PACKAGE_URL"\n",
+basename(name));
+ exit(status);
+} /* exit_usage */
+
+static void
+exit_version(void)
+{
+ printf("SysDBd version "SDB_VERSION_STRING SDB_VERSION_EXTRA", "
+ "built "BUILD_DATE"\n"
+ "using libsysdb verion %s%s\n"
+ "Copyright (C) 2012 "PACKAGE_MAINTAINER"\n"
+
+ "\nThis is free software under the terms of the BSD license, see "
+ "the source for\ncopying conditions. There is NO WARRANTY; not "
+ "even for MERCHANTABILITY or\nFITNESS FOR A PARTICULAR "
+ "PURPOSE.\n", sdb_version_string(), sdb_version_extra());
+ exit(0);
+} /* exit_version */
+
+static int
+daemonize(void)
+{
+ pid_t pid;
+
+ if ((pid = fork()) < 0) {
+ char errbuf[1024];
+ fprintf(stderr, "Failed to fork to background: %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ return errno;
+ }
+ else if (pid != 0) {
+ /* parent */
+ exit(0);
+ }
+
+ if (chdir("/")) {
+ char errbuf[1024];
+ fprintf(stderr, "Failed to change working directory to /: %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ return errno;
+ }
+
+ /* detach from session */
+ setsid();
+
+ close(0);
+ if (open("/dev/null", O_RDWR)) {
+ char errbuf[1024];
+ fprintf(stderr, "Failed to connect stdin to '/dev/null': %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ return errno;
+ }
+
+ close(1);
+ if (dup(0) != 1) {
+ char errbuf[1024];
+ fprintf(stderr, "Could not connect stdout to '/dev/null': %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ return errno;
+ }
+
+ close(2);
+ if (dup(0) != 2) {
+ char errbuf[1024];
+ fprintf(stdout, "Could not connect stderr to '/dev/null': %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ return errno;
+ }
+ return 0;
+} /* daemonize */
+
+int
+main(int argc, char **argv)
+{
+ char *config_filename = NULL;
+ _Bool daemon = 0;
+
+ struct sigaction sa_intterm;
+
+ while (42) {
+ int opt = getopt(argc, argv, "C:dhV");
+
+ if (-1 == opt)
+ break;
+
+ switch (opt) {
+ case 'C':
+ config_filename = optarg;
+ break;
+ case 'd':
+ daemon = 1;
+ break;
+
+ case 'h':
+ exit_usage(argv[0], 0);
+ break;
+ case 'V':
+ exit_version();
+ break;
+ default:
+ exit_usage(argv[0], 1);
+ }
+ }
+
+ if (optind < argc)
+ exit_usage(argv[0], 1);
+
+ if (! config_filename)
+ config_filename = CONFIGFILE;
+
+ if (daemon_parse_config(config_filename)) {
+ fprintf(stderr, "Failed to parse configuration file.\n");
+ exit(1);
+ }
+
+ memset(&sa_intterm, 0, sizeof(sa_intterm));
+ sa_intterm.sa_handler = sigintterm_handler;
+ sa_intterm.sa_flags = 0;
+
+ if (sigaction(SIGINT, &sa_intterm, /* old action */ NULL)) {
+ char errbuf[1024];
+ fprintf(stderr, "Failed to install signal handler for SIGINT: %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ exit(1);
+ }
+ if (sigaction(SIGTERM, &sa_intterm, /* old action */ NULL)) {
+ char errbuf[1024];
+ fprintf(stderr, "Failed to install signal handler for SIGTERM: %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ exit(1);
+ }
+
+ if (daemon)
+ if (daemonize())
+ exit(1);
+
+ fprintf(stderr, "SysDB daemon "SDB_VERSION_STRING SDB_VERSION_EXTRA
+ " (pid %i) initialized successfully\n", (int)getpid());
+
+ sdb_plugin_init_all();
+ sdb_plugin_collector_loop(&plugin_main_loop);
+
+ fprintf(stderr, "Shutting down SysDB daemon "SDB_VERSION_STRING
+ SDB_VERSION_EXTRA" (pid %i)\n", (int)getpid());
+
+ fprintf(stderr, "Store dump:\n");
+ sdb_store_dump(stderr);
+ return 0;
+} /* main */
+
+/* vim: set tw=78 sw=4 ts=4 noexpandtab : */
+