1 files changed, 142 insertions, 0 deletions
diff --git a/src/network/networkd-wait-online.c b/src/network/networkd-wait-online.c
new file mode 100644
index 0000000000..900dc05125
--- /dev/null
+++ b/src/network/networkd-wait-online.c
@@ -0,0 +1,142 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Tom Gundersen <teg@jklm.no>
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "sd-event.h"
+#include "sd-daemon.h"
+#include "sd-network.h"
+
+#include "util.h"
+
+static bool all_configured(void) {
+        _cleanup_free_ unsigned *indices = NULL;
+        bool one_ready = false;
+        int r, n, i;
+
+        n = sd_network_get_ifindices(&indices);
+        if (n <= 0)
+                return false;
+
+        for (i = 0; i < n; i++) {
+                _cleanup_free_ char *state = NULL;
+
+                r = sd_network_get_link_state(indices[i], &state);
+                if (r < 0)
+                        return false;
+
+                if (streq(state, "configured"))
+                        one_ready = true;
+
+                if (!streq(state, "configured") && !streq(state, "unmanaged"))
+                        return false;
+        }
+
+        if (one_ready)
+                return true;
+
+        return false;
+}
+
+static int event_handler(sd_event_source *s, int fd, uint32_t revents,
+                         void *userdata) {
+        sd_event *event = userdata;
+
+        assert(event);
+
+        if (all_configured())
+                sd_event_exit(event, 0);
+
+        return 1;
+}
+
+int main(int argc, char *argv[]) {
+        sd_event *event;
+        sd_event_source *event_source;
+        sd_network_monitor *monitor;
+        int r, fd, events;
+
+        log_set_target(LOG_TARGET_AUTO);
+        log_parse_environment();
+        log_open();
+
+        umask(0022);
+
+        if (argc != 1) {
+                log_error("This program takes no arguments.");
+                r = -EINVAL;
+                goto out;
+        }
+
+        r = sd_network_monitor_new(NULL, &monitor);
+        if (r < 0) {
+                log_error("Could not create monitor: %s", strerror(-r));
+                goto out;
+        }
+
+        r = sd_event_new(&event);
+        if (r < 0) {
+                log_error("Could not create event: %s", strerror(-r));
+                goto out;
+        }
+
+        fd = sd_network_monitor_get_fd(monitor);
+        if (fd < 0) {
+                log_error("Could not get monitor fd: %s", strerror(-r));
+                goto out;
+        }
+
+        events = sd_network_monitor_get_events(monitor);
+        if (events < 0) {
+                log_error("Could not get monitor events: %s", strerror(-r));
+                goto out;
+        }
+
+        r = sd_event_add_io(event, &event_source, fd, events, &event_handler,
+                            event);
+        if (r < 0) {
+                log_error("Could not add io event source: %s", strerror(-r));
+                goto out;
+        }
+
+        if (all_configured()) {
+                r = 0;
+                goto out;
+        }
+
+        sd_notify(false,
+                  "READY=1\n"
+                  "STATUS=Waiting for network connecitons...");
+
+        r = sd_event_loop(event);
+        if (r < 0) {
+                log_error("Event loop failed: %s", strerror(-r));
+                goto out;
+        }
+
+out:
+        sd_notify(false,
+                  "STATUS=All interfaces configured...");
+
+        sd_event_source_unref(event_source);
+        sd_event_unref(event);
+        sd_network_monitor_unref(monitor);
+
+        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}