From ad8dcab6d0af2df372544599c1e000169ec86ec2 Mon Sep 17 00:00:00 2001
From: "taesub.kim" <taesub.kim@samsung.com>
Date: Mon, 2 Dec 2013 10:33:07 +0900
Subject: [PATCH] Add support for systemd

The Following changes have been implemented:
  1. --nofork - a new call parameter has been added to disable start service as clasic unix daemon
  2. sending notyfication to systemd by calling sd_notify()

Change-Id: I4f66775880e4f5c047c7b07d1a6590af23fb573b
Signed-off-by: Taesub Kim <taesub.kim@samsung.com>
---
 CMakeLists.txt                                |  3 +-
 packaging/net-config.spec                     |  8 ++--
 .../usr/lib/systemd/system/net-config.service |  4 +-
 src/main.c                                    | 37 ++++++++++++++++++-
 4 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index df45207..26b1b0b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,8 @@ PKG_CHECK_MODULES(pkgs REQUIRED
 	vconf
 	wifi-direct
 	tapi
-	syspopup-caller)
+	syspopup-caller
+	libsystemd-daemon)
 
 FOREACH(flag ${pkgs_CFLAGS})
 	SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
diff --git a/packaging/net-config.spec b/packaging/net-config.spec
index c0e82bd..c19d099 100644
--- a/packaging/net-config.spec
+++ b/packaging/net-config.spec
@@ -1,6 +1,6 @@
 Name:       net-config
 Summary:    TIZEN Network Configuration Module
-Version:    0.1.90_26
+Version:    0.1.90_27
 Release:    1
 Group:      System/Network
 License:    Apache License Version 2.0
@@ -16,10 +16,8 @@ BuildRequires:  pkgconfig(wifi-direct)
 BuildRequires:  pkgconfig(tapi)
 BuildRequires:  pkgconfig(syspopup-caller)
 Requires(post): /usr/bin/vconftool
-Requires:         systemd
-Requires(post):   systemd
-Requires(preun):  systemd
-Requires(postun): systemd
+BuildRequires:    pkgconfig(libsystemd-daemon)
+%{?systemd_requires}
 
 %description
 TIZEN Network Configuration Module
diff --git a/resources/usr/lib/systemd/system/net-config.service b/resources/usr/lib/systemd/system/net-config.service
index 5a564b6..63d2c1b 100644
--- a/resources/usr/lib/systemd/system/net-config.service
+++ b/resources/usr/lib/systemd/system/net-config.service
@@ -3,8 +3,8 @@ Description=net config service
 After=syslog.target
 
 [Service]
-Type=forking
-ExecStart=/usr/sbin/net-config
+Type=notify
+ExecStart=/usr/sbin/net-config --nofork
 
 [Install]
 WantedBy=multi-user.target
diff --git a/src/main.c b/src/main.c
index f64b694..1f9fcfc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -17,7 +17,11 @@
  *
  */
 
+#include <systemd/sd-daemon.h>
+#include <getopt.h>
 #include <unistd.h>
+#include <signal.h>
+#include <errno.h>
 
 #include "log.h"
 #include "wifi.h"
@@ -32,14 +36,40 @@
 
 static GMainLoop *main_loop = NULL;
 
+static int no_fork = FALSE;
+
+int netconfig_test_input_parameters(int argc, char* argv[])
+{
+        struct option tab[] = {
+                { "nofork", no_argument, 0, 0 },
+                { NULL, 0, NULL, 0 }
+        };
+        int idx = 0;
+
+        while (getopt_long(argc, argv, "", tab, &idx) >= 0) {
+
+		if (idx == 0)
+			no_fork = TRUE;
+		idx = 0;
+	}
+	return 0;
+}
+
 int main(int argc, char* argv[])
 {
 	DBusGConnection *connection;
 
 	DBG("Network Configuration Module");
 
-	if (daemon(0, 0) != 0)
-		DBG("Cannot start daemon");
+	/*
+	 * Call parameters veryfication
+	 */
+	netconfig_test_input_parameters(argc, argv);
+
+	if (!no_fork) {
+		if (daemon(0, 0) != 0)
+			DBG("Cannot start daemon");
+	}
 
 	netconfig_set_wifi_mac_address();
 
@@ -68,6 +98,9 @@ int main(int argc, char* argv[])
 	/* If its environment uses Emulator, network configuration is set by emulator default */
 	netconfig_emulator_test_and_start();
 
+	// Notyfication to systemd
+	sd_notify(0, "READY=1");
+
 	g_main_loop_run(main_loop);
 
 	netconfig_deregister_signal();
-- 
2.34.1