AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
+AM_PROG_CC_C_O
AM_CONDITIONAL(COMPILER_IS_GCC, test "x$GCC" = "xyes")
dnl configure libtool
[with_libresolv="no"])
AM_CONDITIONAL(BUILD_WITH_LIBRESOLV, test "x$with_libresolv" = "xyes")
+dnl Check for HAL (hardware abstraction library)
+with_libhal="yes"
+AC_CHECK_LIB(hal,libhal_device_property_exists,
+ [AC_DEFINE(HAVE_LIBHAL, 1, [Define to 1 if you have 'hal' library])],
+ [with_libhal="no"])
+if test "x$with_libhal" = "xyes"; then
+ PKG_PROG_PKG_CONFIG
+ if test "x$PKG_CONFIG" != "x"; then
+ BUILD_WITH_LIBHAL_CFLAGS="`pkg-config --cflags hal`"
+ BUILD_WITH_LIBHAL_LIBS="`pkg-config --libs hal`"
+ AC_SUBST(BUILD_WITH_LIBHAL_CFLAGS)
+ AC_SUBST(BUILD_WITH_LIBHAL_LIBS)
+ fi
+fi
m4_divert_once([HELP_WITH], [
collectd additional packages:])
AC_PLUGIN([tcpconns], [$plugin_tcpconns], [TCP connection statistics])
AC_PLUGIN([unixsock], [yes], [Unixsock communication plugin])
AC_PLUGIN([users], [$plugin_users], [User statistics])
+AC_PLUGIN([uuid], [yes], [UUID as hostname plugin])
AC_PLUGIN([vserver], [$plugin_vserver], [Linux VServer statistics])
AC_PLUGIN([wireless], [$plugin_wireless], [Wireless statistics])
AC_PLUGIN([xmms], [$with_libxmms], [XMMS statistics])
tcpconns . . . . . $enable_tcpconns
unixsock . . . . . $enable_unixsock
users . . . . . . . $enable_users
+ uuid . . . . . . . $enable_uuid
vserver . . . . . . $enable_vserver
wireless . . . . . $enable_wireless
xmms . . . . . . . $enable_xmms
--- /dev/null
+/**
+ * collectd - src/uuid.c
+ * Copyright (C) 2007 Red Hat Inc.
+ *
+ * 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; only version 2 of the License is applicable.
+ *
+ * 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Dan Berrange <berrange@redhat.com>
+ * Richard W.M. Jones <rjones@redhat.com>
+ *
+ * Derived from UUID detection code by Dan Berrange <berrange@redhat.com>
+ * http://hg.et.redhat.com/virt/daemons/spectre--devel?f=f6e3a1b06433;file=lib/uuid.c
+ **/
+
+#include "collectd.h"
+#include "common.h"
+#include "configfile.h"
+#include "plugin.h"
+
+#if HAVE_LIBHAL
+#include <libhal.h>
+#endif
+
+#define UUID_RAW_LENGTH 16
+#define UUID_PRINTABLE_COMPACT_LENGTH (UUID_RAW_LENGTH * 2)
+#define UUID_PRINTABLE_NORMAL_LENGTH (UUID_PRINTABLE_COMPACT_LENGTH + 4)
+
+#define HANDLE_PREFIX "Handle"
+#define SYSINFO_PREFIX "System Information"
+#define ALT_SYSINFO_PREFIX "\tSystem Information"
+#define UUID_PREFIX "\tUUID:"
+#define ALT_UUID_PREFIX "\t\tUUID:"
+
+static int
+looks_like_a_uuid (const char *uuid)
+{
+ int len;
+
+ if (!uuid) return 0;
+
+ len = strlen (uuid);
+
+ if (len < UUID_PRINTABLE_COMPACT_LENGTH)
+ return 0;
+
+ while (*uuid) {
+ if (!isxdigit (*uuid) && *uuid != '-') return 0;
+ uuid++;
+ }
+ return 1;
+}
+
+static char *
+uuid_parse_dmidecode(FILE *file)
+{
+ char line[1024];
+ int inSysInfo = 0;
+
+ for (;;) {
+ if (!fgets(line, sizeof(line)/sizeof(char), file)) {
+ return NULL;
+ }
+ if (strncmp(line, HANDLE_PREFIX,
+ (sizeof(HANDLE_PREFIX)/sizeof(char))-1) == 0) {
+ /*printf("Got handle %s\n", line);*/
+ inSysInfo = 0;
+ } else if (strncmp(line, SYSINFO_PREFIX,
+ (sizeof(SYSINFO_PREFIX)/sizeof(char))-1) == 0) {
+ /*printf("Got system info %s\n", line);*/
+ inSysInfo = 1;
+ } else if (strncmp(line, ALT_SYSINFO_PREFIX,
+ (sizeof(ALT_SYSINFO_PREFIX)/sizeof(char))-1) == 0) {
+ /*printf("Got alt system info %s\n", line);*/
+ inSysInfo = 1;
+ }
+
+ if (inSysInfo) {
+ if (strncmp(line, UUID_PREFIX,
+ (sizeof(UUID_PREFIX)/sizeof(char))-1) == 0) {
+ char *uuid = line + (sizeof(UUID_PREFIX)/sizeof(char));
+ /*printf("Got uuid [%s]\n", uuid);*/
+ if (looks_like_a_uuid (uuid))
+ return strdup (uuid);
+ }
+ if (strncmp(line, ALT_UUID_PREFIX,
+ (sizeof(ALT_UUID_PREFIX)/sizeof(char))-1) == 0) {
+ char *uuid = line + (sizeof(ALT_UUID_PREFIX)/sizeof(char));
+ /*printf("Got alt uuid [%s]\n", uuid);*/
+ if (looks_like_a_uuid (uuid))
+ return strdup (uuid);
+ }
+ }
+ }
+ return NULL;
+}
+
+static char *
+uuid_get_from_dmidecode(void)
+{
+ FILE *dmidecode = popen("dmidecode 2>/dev/null", "r");
+ char *uuid;
+
+ if (!dmidecode) {
+ return NULL;
+ }
+
+ uuid = uuid_parse_dmidecode(dmidecode);
+
+ pclose(dmidecode);
+ return uuid;
+}
+
+#if HAVE_LIBHAL
+
+#define UUID_PATH "/org/freedesktop/Hal/devices/computer"
+#define UUID_PROPERTY "smbios.system.uuid"
+
+static char *
+uuid_get_from_hal(void)
+{
+ LibHalContext *ctx;
+
+ DBusError error;
+ DBusConnection *con;
+
+ dbus_error_init(&error);
+
+ if (!(con = dbus_bus_get(DBUS_BUS_SYSTEM, &error)) ) {
+ goto bailout_nobus;
+ }
+
+ ctx = libhal_ctx_new();
+ libhal_ctx_set_dbus_connection(ctx, con);
+
+ if (!libhal_ctx_init(ctx, &error)) {
+ goto bailout;
+ }
+
+ if (!libhal_device_property_exists(ctx,
+ UUID_PATH,
+ UUID_PROPERTY,
+ &error)) {
+ goto bailout;
+ }
+
+ char *uuid = libhal_device_get_property_string(ctx,
+ UUID_PATH,
+ UUID_PROPERTY,
+ &error);
+ if (looks_like_a_uuid (uuid)) {
+ return uuid;
+ }
+
+ bailout:
+ {
+ DBusError ctxerror;
+ dbus_error_init(&ctxerror);
+ if (!(libhal_ctx_shutdown(ctx, &ctxerror))) {
+ dbus_error_free(&ctxerror);
+ }
+ }
+
+ libhal_ctx_free(ctx);
+ //dbus_connection_unref(con);
+
+ bailout_nobus:
+ if (dbus_error_is_set(&error)) {
+ /*printf("Error %s\n", error.name);*/
+ dbus_error_free(&error);
+ }
+ return NULL;
+}
+#endif
+
+static char *
+uuid_get_from_file(const char *path)
+{
+ FILE *file;
+ char uuid[UUID_PRINTABLE_NORMAL_LENGTH+1];
+
+ if (!(file = fopen(path, "r"))) {
+ return NULL;
+ }
+
+ if (!fgets(uuid, sizeof(uuid), file)) {
+ fclose(file);
+ return NULL;
+ }
+ fclose(file);
+
+ return strdup (uuid);
+}
+
+static char *uuidfile = NULL;
+
+static char *
+uuid_get_local(void)
+{
+ char *uuid;
+
+ /* Check /etc/uuid / UUIDFile before any other method. */
+ if ((uuid = uuid_get_from_file(uuidfile ? uuidfile : "/etc/uuid")) != NULL){
+ return uuid;
+ }
+
+#if HAVE_LIBHAL
+ if ((uuid = uuid_get_from_hal()) != NULL) {
+ return uuid;
+ }
+#endif
+
+ if ((uuid = uuid_get_from_dmidecode()) != NULL) {
+ return uuid;
+ }
+
+ if ((uuid = uuid_get_from_file("/sys/hypervisor/uuid")) != NULL) {
+ return uuid;
+ }
+
+ return NULL;
+}
+
+static const char *config_keys[] = {
+ "UUIDFile",
+ NULL
+};
+#define NR_CONFIG_KEYS ((sizeof config_keys / sizeof config_keys[0]) - 1)
+
+static int
+uuid_config (const char *key, const char *value)
+{
+ if (strcasecmp (key, "UUIDFile") == 0) {
+ if (uuidfile) {
+ ERROR ("UUIDFile given twice in configuration file");
+ return 1;
+ }
+ uuidfile = strdup (value);
+ return 0;
+ }
+ return 0;
+}
+
+static int
+uuid_init (void)
+{
+ char *uuid = uuid_get_local ();
+
+ if (uuid) {
+ strncpy (hostname_g, uuid, DATA_MAX_NAME_LEN);
+ hostname_g[DATA_MAX_NAME_LEN-1] = '\0';
+ sfree (uuid);
+ return 0;
+ }
+
+ WARNING ("uuid: could not read UUID using any known method");
+ return 0;
+}
+
+void module_register (void)
+{
+ plugin_register_config ("uuid", uuid_config,
+ config_keys, NR_CONFIG_KEYS);
+ plugin_register_init ("uuid", uuid_init);
+}
+
+/*
+ * vim: set tabstop=4:
+ * vim: set shiftwidth=4:
+ * vim: set expandtab:
+ */
+/*
+ * Local variables:
+ * indent-tabs-mode: nil
+ * c-indent-level: 4
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
projects / collectd.git / commitdiff