network API for setting and clearing IPv4 settings on the fly

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

diff --git a/src/network.c b/src/network.c
index 735ad4f..4310490 100644 (file)
--- a/src/network.c
+++ b/src/network.c
@@ -993,6 +993,122 @@ int __connman_network_disconnect(struct connman_network *network)
        return err;
 }
 
+static int dhcp_start(struct connman_network *network)
+{
+       struct connman_element *element;
+       int error;
+
+       if (network->protocol != CONNMAN_NETWORK_PROTOCOL_IP)
+               return -EINVAL;
+
+       element = connman_element_create(NULL);
+       if (element == NULL)
+               return -ENOMEM;
+
+       element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
+       element->index = network->element.index;
+
+       error = connman_element_register(element, &network->element);
+       if (error < 0) {
+               connman_element_unref(element);
+               return error;
+       }
+
+       return 0;
+}
+
+static int dhcp_stop(struct connman_network *network)
+{
+       if (network->protocol != CONNMAN_NETWORK_PROTOCOL_IP)
+               return -EINVAL;
+
+       connman_element_unregister_children_type(&network->element,
+                                       CONNMAN_ELEMENT_TYPE_CONNECTION);
+       connman_element_unregister_children_type(&network->element,
+                                               CONNMAN_ELEMENT_TYPE_IPV4);
+       connman_element_unregister_children_type(&network->element,
+                                               CONNMAN_ELEMENT_TYPE_DHCP);
+
+       return 0;
+}
+
+static int manual_ipv4_set(struct connman_network *network,
+                               struct connman_ipconfig *ipconfig)
+{
+       struct connman_service *service;
+       int err;
+
+       service = __connman_service_lookup_from_network(network);
+       if (service == NULL)
+               return -EINVAL;
+
+       err = __connman_ipconfig_set_address(ipconfig);
+       if (err < 0) {
+               connman_network_set_error(network,
+                       CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+               return err;
+       }
+
+       __connman_ipconfig_set_gateway(ipconfig, &network->element);
+
+       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
+
+       return 0;
+}
+
+int __connman_network_clear_ipconfig(struct connman_network *network,
+                                       struct connman_ipconfig *ipconfig)
+{
+       struct connman_service *service;
+       enum connman_ipconfig_method method;
+
+       service = __connman_service_lookup_from_network(network);
+       if (service == NULL)
+               return -EINVAL;
+
+       method = __connman_ipconfig_get_method(ipconfig);
+
+       switch (method) {
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+               return -EINVAL;
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               connman_element_unregister_children_type(&network->element,
+                                       CONNMAN_ELEMENT_TYPE_CONNECTION);
+               __connman_ipconfig_clear_address(ipconfig);
+               break;
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               dhcp_stop(network);
+               break;
+       }
+
+       __connman_service_indicate_state(service,
+                                       CONNMAN_SERVICE_STATE_CONFIGURATION);
+
+       return 0;
+}
+
+int __connman_network_set_ipconfig(struct connman_network *network, struct connman_ipconfig *ipconfig)
+{
+       enum connman_ipconfig_method method;
+
+       method = __connman_ipconfig_get_method(ipconfig);
+
+       switch (method) {
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+               return -EINVAL;
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               return manual_ipv4_set(network, ipconfig);
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               return dhcp_start(network);
+       }
+
+       return 0;
+}
+
 /**
  * connman_network_set_address:
  * @network: network structure