diff options
Diffstat (limited to 'src/network/networkd-wait-online.c')
-rw-r--r-- | src/network/networkd-wait-online.c | 65 |
1 files changed, 11 insertions, 54 deletions
diff --git a/src/network/networkd-wait-online.c b/src/network/networkd-wait-online.c index ba02586dcd..a4729f464f 100644 --- a/src/network/networkd-wait-online.c +++ b/src/network/networkd-wait-online.c @@ -116,6 +116,7 @@ static bool all_configured(Manager *m) { if (n <= 0) return false; + /* wait for networkd to be aware of all the links given on the commandline */ STRV_FOREACH(ifname, arg_interfaces) { _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL, *reply = NULL; bool found = false; @@ -167,11 +168,14 @@ static bool all_configured(Manager *m) { } } + /* wait for all links networkd manages to be in admin state 'configured' + and at least one link to gain a carrier */ for (i = 0; i < n; i++) { - _cleanup_free_ char *state = NULL; - _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL, *reply = NULL; - unsigned flags; - uint8_t operstate; + _cleanup_free_ char *state = NULL, *oper_state = NULL; + + if (sd_network_link_is_loopback(indices[i])) + /* ignore loopback devices */ + continue; r = sd_network_get_link_state(indices[i], &state); if (r != -EUNATCH && (r < 0 || !streq(state, "configured"))) { @@ -179,36 +183,11 @@ static bool all_configured(Manager *m) { return false; } - r = sd_rtnl_message_new_link(m->rtnl, &message, RTM_GETLINK, indices[i]); - if (r < 0) { - log_warning("could not create GETLINK message: %s", strerror(-r)); - return false; - } - - r = sd_rtnl_call(m->rtnl, message, 0, &reply); - if (r < 0) { - log_debug("could not get link %u: %s", indices[i], strerror(-r)); - continue; - } - - r = sd_rtnl_message_link_get_flags(reply, &flags); - if (r < 0) { - log_warning("could not get link flags: %s", strerror(-r)); - return false; - } - - r = sd_rtnl_message_read_u8(reply, IFLA_OPERSTATE, &operstate); - if (r < 0) { - log_debug("could not get link operational state: %s", strerror(-r)); - operstate = IF_OPER_UNKNOWN; - } - - if (!(flags & IFF_LOOPBACK) && - link_has_carrier(flags, operstate)) { + r = sd_network_get_link_operational_state(indices[i], &oper_state); + if (r >= 0 && streq(oper_state, "carrier")) /* we wait for at least one link to be ready, regardless of who manages it */ one_ready = true; - } } return one_ready; @@ -227,18 +206,6 @@ static int monitor_event_handler(sd_event_source *s, int fd, uint32_t revents, return 1; } -static int newlink_event_handler(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) { - Manager *m = userdata; - - assert(m); - assert(m->event); - - if (all_configured(m)) - sd_event_exit(m->event, 0); - - return 1; -} - void manager_free(Manager *m) { if (!m) return; @@ -302,22 +269,12 @@ int main(int argc, char *argv[]) { goto out; } - r = sd_rtnl_open(&m->rtnl, RTMGRP_LINK); + r = sd_rtnl_open(&m->rtnl, 0); if (r < 0) { log_error("Could not create rtnl: %s", strerror(-r)); goto out; } - r = sd_rtnl_attach_event(m->rtnl, m->event, 0); - if (r < 0) { - log_error("Could not attach event to rtnl: %s", strerror(-r)); - return r; - } - - r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, newlink_event_handler, m); - if (r < 0) - return r; - if (all_configured(m)) { r = 0; goto out; |