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timesync: judging if network is online by networkd's address state

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Closes #12752.
This commit is contained in:
Yu Watanabe 2019-06-10 05:36:32 +09:00
parent ac999bf07d
commit 1a65093774
1 changed files with 8 additions and 3 deletions
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11
src/libsystemd/sd-network/network-util.c
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@ -7,14 +7,19 @@
#include "strv.h"
bool network_is_online(void) {
_cleanup_free_ char *state = NULL;
_cleanup_free_ char *carrier_state = NULL, *addr_state = NULL;
int r;
r = sd_network_get_operational_state(&state);
r = sd_network_get_carrier_state(&carrier_state);
if (r < 0) /* if we don't know anything, we consider the system online */
return true;
if (STR_IN_SET(state, "routable", "degraded"))
r = sd_network_get_address_state(&addr_state);
if (r < 0) /* if we don't know anything, we consider the system online */
return true;
if (STR_IN_SET(carrier_state, "degraded-carrier", "carrier") &&
STR_IN_SET(addr_state, "routable", "degraded"))
return true;
return false;