You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
dhcp/SOURCES/0027-Add-missed-sd-notify-p...

98 lines
2.8 KiB

From 8d974fd1f667e1b957ad4092fe66a8bb94f5f8fd Mon Sep 17 00:00:00 2001
From: Pavel Zhukov <pzhukov@redhat.com>
Date: Thu, 7 Nov 2019 14:47:45 +0100
Subject: [PATCH 1/1] Add missed sd notify patch to manage dhcpd with systemd
Cc: pzhukov@redhat.com
---
configure.ac | 11 +++++++++++
relay/dhcrelay.c | 12 ++++++++++++
server/dhcpd.c | 12 ++++++++++++
3 files changed, 35 insertions(+)
diff --git a/configure.ac b/configure.ac
index 15fc0d7..0c08000 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1014,6 +1014,17 @@ if test x$ldap = xyes || test x$ldapcrypto = xyes || test x$ldap_gssapi = xyes;
AC_SUBST(LDAP_CFLAGS, [$LDAP_CFLAGS])
fi
+AC_ARG_WITH(systemd,
+ AC_HELP_STRING([--with-systemd],
+ [enable sending status notifications to systemd daemon (default is no)]),
+ [systemd=$withval],
+ [systemd=no])
+
+if test x$systemd = xyes ; then
+ AC_CHECK_LIB(systemd, sd_notifyf, ,
+ AC_MSG_FAILURE([*** systemd library not present - do you need to install systemd-libs package?]))
+fi
+
# Append selected warning levels to CFLAGS before substitution (but after
# AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[]) & etc).
CFLAGS="$CFLAGS $STD_CWARNINGS"
diff --git a/relay/dhcrelay.c b/relay/dhcrelay.c
index 7b4f4f1..9eb5bfd 100644
--- a/relay/dhcrelay.c
+++ b/relay/dhcrelay.c
@@ -37,6 +37,10 @@
int keep_capabilities = 0;
#endif
+#ifdef HAVE_LIBSYSTEMD
+#include <systemd/sd-daemon.h>
+#endif
+
TIME default_lease_time = 43200; /* 12 hours... */
TIME max_lease_time = 86400; /* 24 hours... */
struct tree_cache *global_options[256];
@@ -845,6 +849,14 @@ main(int argc, char **argv) {
}
#endif
+#ifdef HAVE_LIBSYSTEMD
+ /* We are ready to process incomming packets. Let's notify systemd */
+ sd_notifyf(0, "READY=1\n"
+ "STATUS=Dispatching packets...\n"
+ "MAINPID=%lu",
+ (unsigned long) getpid());
+#endif
+
/* Start dispatching packets and timeouts... */
dispatch();
diff --git a/server/dhcpd.c b/server/dhcpd.c
index 4aef16b..778ef8d 100644
--- a/server/dhcpd.c
+++ b/server/dhcpd.c
@@ -60,6 +60,10 @@ gid_t set_gid = 0;
struct class unknown_class;
struct class known_class;
+#ifdef HAVE_LIBSYSTEMD
+#include <systemd/sd-daemon.h>
+#endif
+
struct iaddr server_identifier;
int server_identifier_matched;
@@ -1057,6 +1061,14 @@ main(int argc, char **argv) {
/* Log that we are about to start working */
log_info("Server starting service.");
+#ifdef HAVE_LIBSYSTEMD
+ /* We are ready to process incomming packets. Let's notify systemd */
+ sd_notifyf(0, "READY=1\n"
+ "STATUS=Dispatching packets...\n"
+ "MAINPID=%lu",
+ (unsigned long) getpid());
+#endif
+
/*
* Receive packets and dispatch them...
* dispatch() will never return.
--
2.14.5