1nozzle_run_updown(3)     Kronosnet Programmer's Manual    nozzle_run_updown(3)
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NAME

6       nozzle_run_updown  -  execute  updown commands associated with a nozzle
7       device.
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SYNOPSIS

10       #include <libknet.h>
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12       int nozzle_run_updown(
13           const nozzle_t  nozzle,
14           uint8_t         action,
15           char          **exec_string
16       );
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DESCRIPTION

19       nozzle_run_updown
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21       nozzle - pointer to the nozzle struct
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23       action - pre-up.d / up.d / down.d / post-down.d (see defines above)
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25       exec_string - pointers  to  string  to  record  executing  action  std‐
26       out/stderr.  The string is malloc'ed, the caller needs to free the buf‐
27       fer. If the script generates no output this string might be NULL.
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29       It is the application responsibility to call helper scripts  before  or
30       after creating/destroying interfaces or IP addresses.
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RETURN VALUE

33       0  on  success -1 on error and errno is set (sanity checks and internal
34       calls. -2 on error from executing the shell scripts, and  no  errno  is
35       set.
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SEE ALSO

38       nozzle_close(3), nozzle_set_mtu(3), nozzle_get_fd(3),
39       nozzle_get_mtu(3), nozzle_reset_mtu(3), nozzle_set_up(3),
40       nozzle_get_ips(3), nozzle_set_down(3), nozzle_reset_mac(3),
41       nozzle_get_handle_by_name(3), nozzle_open(3), nozzle_del_ip(3),
42       nozzle_get_mac(3), nozzle_set_mac(3), nozzle_get_name_by_handle(3),
43       nozzle_add_ip(3)
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46       Copyright (C) 2010-2020 Red Hat, Inc. All rights reserved.
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50kronosnet                         2020-04-23              nozzle_run_updown(3)
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