From cd9de0baf95ec5e2eaa75cbb2b62bec85ad9a4d7 Mon Sep 17 00:00:00 2001
From: junkyu han <junkyu.han@samsung.com>
Date: Thu, 31 May 2018 20:45:20 +0900
Subject: [PATCH] Check NTP time and wait for connection until time is set

Change-Id: I4b6ff92c4e458ccbd28a72102963ac6ed55a7b7f
---
 daemon/CMakeLists.txt              |  1 +
 daemon/src/tizen-things-daemon.c   | 25 +++++++++++++++++++++++--
 packaging/tizen-things-daemon.spec |  1 +
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/daemon/CMakeLists.txt b/daemon/CMakeLists.txt
index f20bd44..e0fe4fc 100644
--- a/daemon/CMakeLists.txt
+++ b/daemon/CMakeLists.txt
@@ -13,6 +13,7 @@ pkg_check_modules(DAEMON_PKGS REQUIRED
 	gio-unix-2.0
 	openssl
 	capi-appfw-app-control
+	vconf
 )
 
 FOREACH (flag ${DAEMON_PKGS_CFLAGS})
diff --git a/daemon/src/tizen-things-daemon.c b/daemon/src/tizen-things-daemon.c
index e511760..08e6109 100644
--- a/daemon/src/tizen-things-daemon.c
+++ b/daemon/src/tizen-things-daemon.c
@@ -18,6 +18,7 @@
 #include <stdlib.h>
 #include <glib.h>
 #include <glib-unix.h>
+#include <vconf.h>
 
 #include "ttd-log.h"
 #include "ttd-cloud-conn-state.h"
@@ -42,6 +43,7 @@ typedef struct __ttd_data {
 	GMainLoop *mainloop;
 	GThreadPool *thread_pool;
 	worker_interface_h worker_itf_h;
+	bool is_time_set;
 } ttd_data;
 
 static gboolean __daemon_job_handler(gpointer data);
@@ -132,6 +134,7 @@ static ttd_task_func __get_task_func(ttd_cmd_data *cmd)
 
 	return func;
 }
+
 static gboolean __daemon_job_handler(gpointer data)
 {
 	ttd_data *d_data = data;
@@ -250,6 +253,22 @@ static gboolean __do_device_register(gpointer data)
 	return FALSE;
 }
 
+static void __time_changed(keynode_t *node, void *data)
+{
+	ttd_data *d_data = data;
+	long long current_time;
+	_D("System time is changed");
+
+	current_time = common_get_epoch_time();
+
+	if ((current_time * 1000000) > EPOCH_TIME_REF && !d_data->is_time_set) {
+		/* Do something need correct time after here */
+		_D("We assume that system time is correct, because current[%lld] is bigger than 2018-05-17", current_time * 1000000);
+		d_data->is_time_set = true;
+		g_idle_add(__do_device_register, d_data);
+	}
+}
+
 int main(int argc, char* argv[])
 {
 	ttd_data *d_data = NULL;
@@ -267,6 +286,10 @@ int main(int argc, char* argv[])
 	g_unix_signal_add(SIGINT, _handle_sigint, d_data);
 	g_unix_signal_add(SIGTERM, _handle_sigterm, d_data);
 
+	if (vconf_notify_key_changed(VCONFKEY_SYSTEM_TIME_CHANGED, __time_changed, d_data) < 0) {
+		_E("Failed to set vconf key changed");
+	}
+
 	ttd_queue_init();
 	ttd_conn_mgr_init();
 	ttd_http_init();
@@ -282,8 +305,6 @@ int main(int argc, char* argv[])
 
 	_D("[delay] start-to-ready - %.3lf(ms)",
 		(double)(_get_monotonic_time() - start)/1000);
-	g_idle_add(__do_device_register, d_data);
-
 	g_main_loop_run(d_data->mainloop);
 
 	g_main_loop_unref(d_data->mainloop);
diff --git a/packaging/tizen-things-daemon.spec b/packaging/tizen-things-daemon.spec
index cfc9709..0ddb682 100644
--- a/packaging/tizen-things-daemon.spec
+++ b/packaging/tizen-things-daemon.spec
@@ -20,6 +20,7 @@ BuildRequires:  pkgconfig(libtzplatform-config)
 BuildRequires:  pkgconfig(openssl)
 BuildRequires:  pkgconfig(capi-appfw-app-control)
 BuildRequires:  pkgconfig(capi-appfw-app-common)
+BuildRequires:  pkgconfig(vconf)
 
 %description
 Tizen Things daemon
-- 
2.7.4