Maintain connection status when wifi roaming

[platform/upstream/connman.git] / src / dhcp.c

diff --git a/src/dhcp.c b/src/dhcp.c
index 5cef038..7c446cf 100644 (file)
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -285,6 +285,14 @@ static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
                dhcp->ipv4ll_client);
 
 #if defined TIZEN_EXT
+       if (dhcp->network &&
+                       connman_network_get_bool(dhcp->network, "WiFi.RoamingDHCP")) {
+               connman_network_set_bool(dhcp->network, "WiFi.RoamingDHCP", false);
+               __connman_network_enable_ipconfig(dhcp->network, dhcp->ipconfig);
+
+               return;
+       }
+
        if (connman_setting_get_bool("EnableAutoIp") == false) {
                DBG("link-local address autoconfiguration is disabled.");
                if (dhcp->network)
@@ -563,6 +571,17 @@ static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
                        __connman_service_notify_ipv4_configuration(service);
        }
 
+#if defined TIZEN_EXT
+       if (connman_network_get_bool(dhcp->network, "WiFi.RoamingDHCP")) {
+
+               if (ip_change)
+                       connman_service_notify_reconnection(
+                               connman_service_lookup_from_network(dhcp->network));
+
+               connman_network_set_bool(dhcp->network, "WiFi.RoamingDHCP", false);
+       }
+#endif
+
        if (ip_change) {
                __connman_ipconfig_set_local(dhcp->ipconfig, address);
                __connman_ipconfig_set_prefixlen(dhcp->ipconfig, prefixlen);
@@ -829,9 +848,15 @@ int __connman_dhcp_start(struct connman_ipconfig *ipconfig,
        dhcp->user_data = user_data;
 
 #if defined TIZEN_EXT
-       DBG("Start DHCP with DHCPDISCOVER request");
+       if (connman_network_get_bool(network, "WiFi.RoamingDHCP")) {
+               const char *last_addr = __connman_ipconfig_get_dhcp_address(ipconfig);
 
-       return g_dhcp_client_start(dhcp->dhcp_client, NULL);
+               DBG("Start DHCP with last address request");
+               return g_dhcp_client_start(dhcp->dhcp_client, last_addr);
+       } else {
+               DBG("Start DHCP with DHCPDISCOVER request");
+               return g_dhcp_client_start(dhcp->dhcp_client, NULL);
+       }
 #else
        return g_dhcp_client_start(dhcp->dhcp_client, last_addr);
 #endif