networkctl: split networkctl.c into small pieces

No functional change, just refactoring.

1 files changed, 93 insertions, 0 deletions

diff --git a/src/network/networkctl-list.c b/src/network/networkctl-list.c
new file mode 100644
index 0000000000..a23930d80e
--- /dev/null
+++ b/src/network/networkctl-list.c
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "sd-network.h"
+
+#include "format-table.h"
+#include "netif-util.h"
+#include "networkctl.h"
+#include "networkctl-description.h"
+#include "networkctl-link-info.h"
+#include "networkctl-list.h"
+#include "networkctl-util.h"
+
+int list_links(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+        _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+        _cleanup_(link_info_array_freep) LinkInfo *links = NULL;
+        _cleanup_(table_unrefp) Table *table = NULL;
+        TableCell *cell;
+        int c, r;
+
+        r = dump_description(argc, argv);
+        if (r != 0)
+                return r;
+
+        r = acquire_bus(&bus);
+        if (r < 0)
+                return r;
+
+        r = sd_netlink_open(&rtnl);
+        if (r < 0)
+                return log_error_errno(r, "Failed to connect to netlink: %m");
+
+        c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links);
+        if (c < 0)
+                return c;
+
+        pager_open(arg_pager_flags);
+
+        table = table_new("idx", "link", "type", "operational", "setup");
+        if (!table)
+                return log_oom();
+
+        if (arg_full)
+                table_set_width(table, 0);
+
+        table_set_header(table, arg_legend);
+        table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+        assert_se(cell = table_get_cell(table, 0, 0));
+        (void) table_set_minimum_width(table, cell, 3);
+        (void) table_set_weight(table, cell, 0);
+        (void) table_set_ellipsize_percent(table, cell, 100);
+        (void) table_set_align_percent(table, cell, 100);
+
+        assert_se(cell = table_get_cell(table, 0, 1));
+        (void) table_set_ellipsize_percent(table, cell, 100);
+
+        FOREACH_ARRAY(link, links, c) {
+                _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
+                _cleanup_free_ char *t = NULL;
+                const char *on_color_operational, *on_color_setup;
+
+                (void) sd_network_link_get_operational_state(link->ifindex, &operational_state);
+                operational_state_to_color(link->name, operational_state, &on_color_operational, NULL);
+
+                (void) sd_network_link_get_setup_state(link->ifindex, &setup_state);
+                setup_state_to_color(setup_state, &on_color_setup, NULL);
+
+                r = net_get_type_string(link->sd_device, link->iftype, &t);
+                if (r == -ENOMEM)
+                        return log_oom();
+
+                r = table_add_many(table,
+                                   TABLE_INT, link->ifindex,
+                                   TABLE_STRING, link->name,
+                                   TABLE_STRING, t,
+                                   TABLE_STRING, operational_state,
+                                   TABLE_SET_COLOR, on_color_operational,
+                                   TABLE_STRING, setup_state ?: "unmanaged",
+                                   TABLE_SET_COLOR, on_color_setup);
+                if (r < 0)
+                        return table_log_add_error(r);
+        }
+
+        r = table_print(table, NULL);
+        if (r < 0)
+                return table_log_print_error(r);
+
+        if (arg_legend)
+                printf("\n%i links listed.\n", c);
+
+        return 0;
+}