src/libsystemd/sd-network/network-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "alloc-util.h"
   4 #include "fd-util.h"
   5 #include "network-util.h"
   6 #include "string-table.h"
   7 #include "strv.h"
   8
   9 bool network_is_online(void) {
  10         _cleanup_free_ char *state = NULL;
  11         int r;
  12
  13         r = sd_network_get_operational_state(&state);
  14         if (r < 0) /* if we don't know anything, we consider the system online */
  15                 return true;
  16
  17         if (STR_IN_SET(state, "routable", "degraded"))
  18                 return true;
  19
  20         return false;
  21 }
  22
  23 static const char* const link_operstate_table[_LINK_OPERSTATE_MAX] = {
  24         [LINK_OPERSTATE_OFF]              = "off",
  25         [LINK_OPERSTATE_NO_CARRIER]       = "no-carrier",
  26         [LINK_OPERSTATE_DORMANT]          = "dormant",
  27         [LINK_OPERSTATE_DEGRADED_CARRIER] = "degraded-carrier",
  28         [LINK_OPERSTATE_CARRIER]          = "carrier",
  29         [LINK_OPERSTATE_DEGRADED]         = "degraded",
  30         [LINK_OPERSTATE_ENSLAVED]         = "enslaved",
  31         [LINK_OPERSTATE_ROUTABLE]         = "routable",
  32 };
  33
  34 DEFINE_STRING_TABLE_LOOKUP(link_operstate, LinkOperationalState);