cli: split evaluation of activation state

The code used to determine the activation state is useful for other
clients as well, let's split it into a dedicated function that can be
shared.

clients/cli/connections.c

@@ -2089,17 +2089,20 @@ active_connection_state_reason_to_string (NMActiveConnectionStateReason reason)
 	g_return_val_if_reached (_("Invalid reason"));
 }
 
-static void
+static NMActiveConnectionState
-check_activated (ActivateConnectionInfo *info)
+get_effective_activation_state (NMActiveConnection *active,
+                                NMDevice *device,
+                                const char **reason)
 {
-	NmCli *nmc = info->nmc;
+	NMActiveConnectionState ac_state;
-	NMDevice *device = info->device;
-	NMActiveConnection *active = info->active;
 	NMActiveConnectionStateReason ac_reason;
 	NMDeviceState dev_state = NM_DEVICE_STATE_UNKNOWN;
 	NMDeviceStateReason dev_reason = NM_DEVICE_STATE_REASON_UNKNOWN;
-	const char *reason;
 
+	g_return_val_if_fail (active, NM_ACTIVE_CONNECTION_STATE_UNKNOWN);
+	g_return_val_if_fail (reason, NM_ACTIVE_CONNECTION_STATE_UNKNOWN);
+
+	*reason = NULL;
 	ac_reason = nm_active_connection_get_state_reason (active);
 
 	if (device) {
@@ -2107,18 +2110,9 @@ check_activated (ActivateConnectionInfo *info)
 		dev_reason = nm_device_get_state_reason (device);
 	}
 
-	switch (nm_active_connection_get_state (active)) {
+	ac_state = nm_active_connection_get_state (active);
-
+	switch (ac_state) {
-	case NM_ACTIVE_CONNECTION_STATE_ACTIVATED:
-		if (nmc->nmc_config.print_output == NMC_PRINT_PRETTY)
-			nmc_terminal_erase_line ();
-		g_print (_("Connection successfully activated (D-Bus active path: %s)\n"),
-		         nm_object_get_path (NM_OBJECT (active)));
-		activate_connection_info_finish (info);
-		break;
-
 	case NM_ACTIVE_CONNECTION_STATE_DEACTIVATED:
-
 		if (   !device
 		    || ac_reason != NM_ACTIVE_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED
 		    || nm_device_get_active_connection (device) != active) {
@@ -2127,55 +2121,79 @@ check_activated (ActivateConnectionInfo *info)
 			 * - or, @ac_reason is specific
 			 * - or, @device no longer references the current @active
 			 * >> we complete with @ac_reason. */
-			reason = active_connection_state_reason_to_string (ac_reason);
+			*reason = active_connection_state_reason_to_string (ac_reason);
 		} else if (   dev_state <= NM_DEVICE_STATE_DISCONNECTED
 		           || dev_state >= NM_DEVICE_STATE_FAILED) {
 			/* (2)
 			 * - not (1)
 			 * - and, the device is no longer in an activated state,
 			 * >> we complete with @dev_reason. */
-			reason = nmc_device_reason_to_string (dev_reason);
+			*reason = nmc_device_reason_to_string (dev_reason);
 		} else {
 			/* (3)
 			 * we wait for the device go disconnect. We will get a better
 			 * failure reason from the device (2). */
-			reason = NULL;
+			return NM_ACTIVE_CONNECTION_STATE_UNKNOWN;
-		}
-
-		if (reason) {
-			g_string_printf (nmc->return_text, _("Error: Connection activation failed: %s"),
-			                 reason);
-			nmc->return_value = NMC_RESULT_ERROR_CON_ACTIVATION;
-			activate_connection_info_finish (info);
 		}
 		break;
-
 	case NM_ACTIVE_CONNECTION_STATE_ACTIVATING:
 		/* activating master connection does not automatically activate any slaves, so their
 		 * active connection state will not progress beyond ACTIVATING state.
 		 * Monitor the device instead. */
-
-		if (nmc->secret_agent) {
-			NMRemoteConnection *connection = nm_active_connection_get_connection (active);
-
-			nm_secret_agent_simple_enable (NM_SECRET_AGENT_SIMPLE (nmc->secret_agent),
-			                               nm_connection_get_path (NM_CONNECTION (connection)));
-		}
-
 		if (   device
 		    && (   NM_IS_DEVICE_BOND (device)
 		        || NM_IS_DEVICE_TEAM (device)
 		        || NM_IS_DEVICE_BRIDGE (device))
 		    && dev_state >= NM_DEVICE_STATE_IP_CONFIG
 		    && dev_state <= NM_DEVICE_STATE_ACTIVATED) {
-			if (nmc->nmc_config.print_output == NMC_PRINT_PRETTY)
+			*reason = "master waiting for slaves";
-				nmc_terminal_erase_line ();
+			return NM_ACTIVE_CONNECTION_STATE_ACTIVATED;
-			g_print (_("Connection successfully activated (master waiting for slaves) (D-Bus active path: %s)\n"),
-			          nm_object_get_path (NM_OBJECT (active)));
-			activate_connection_info_finish (info);
 		}
 		break;
+	default:
+		break;
+	}
 
+	return ac_state;
+}
+
+static void
+check_activated (ActivateConnectionInfo *info)
+{
+	NMActiveConnectionState ac_state;
+	NmCli *nmc = info->nmc;
+	const char *reason = NULL;
+
+	ac_state = get_effective_activation_state (info->active, info->device, &reason);
+	switch (ac_state) {
+	case NM_ACTIVE_CONNECTION_STATE_ACTIVATED:
+		if (nmc->nmc_config.print_output == NMC_PRINT_PRETTY)
+			nmc_terminal_erase_line ();
+		if (reason) {
+			g_print (_("Connection successfully activated (%s) (D-Bus active path: %s)\n"),
+			         reason,
+			         nm_object_get_path (NM_OBJECT (info->active)));
+		} else {
+			g_print (_("Connection successfully activated (D-Bus active path: %s)\n"),
+			         nm_object_get_path (NM_OBJECT (info->active)));
+		}
+		activate_connection_info_finish (info);
+		break;
+	case NM_ACTIVE_CONNECTION_STATE_DEACTIVATED:
+		nm_assert (reason);
+		g_string_printf (nmc->return_text, _("Error: Connection activation failed: %s"),
+		                 reason);
+		nmc->return_value = NMC_RESULT_ERROR_CON_ACTIVATION;
+		activate_connection_info_finish (info);
+		break;
+	case NM_ACTIVE_CONNECTION_STATE_ACTIVATING:
+		if (nmc->secret_agent) {
+			NMRemoteConnection *connection = nm_active_connection_get_connection (info->active);
+
+			nm_secret_agent_simple_enable (NM_SECRET_AGENT_SIMPLE (nmc->secret_agent),
+			                               nm_connection_get_path (NM_CONNECTION (connection)));
+		}
+		break;
 	default:
 		break;
 	}