NAME

nozzle_run_updown - execute updown commands associated with a nozzle device. It is the application responsibility to call helper scripts before or after creating/destroying interfaces or IP addresses.

SYNOPSIS

#include <libknet.h>

int nozzle_run_updown(


    const nozzle_t nozzle,


    uint8_t        action,


    char *        *exec_string
);

DESCRIPTION

nozzle_run_updown nozzle - pointer to the nozzle struct

action - pre-up.d / up.d / down.d / post-down.d (see defines above)

exec_string - pointers to string to record executing action stdout/stderr. The string is malloc'ed, the caller needs to free the buffer. If the script generates no output this string might be NULL.

RETURN VALUE

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

SEE ALSO

nozzle_close(3), nozzle_set_mtu(3), nozzle_get_fd(3), nozzle_get_mtu(3), nozzle_reset_mtu(3), nozzle_set_up(3), nozzle_get_ips(3), nozzle_set_down(3), nozzle_reset_mac(3), nozzle_get_handle_by_name(3), nozzle_open(3), nozzle_del_ip(3), nozzle_get_mac(3), nozzle_set_mac(3), nozzle_get_name_by_handle(3), nozzle_add_ip(3)

COPYRIGHT

Copyright (C) 2010-2019 Red Hat, Inc. All rights reserved.