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/*
* team_monitor.c - Network team device dummy event monitor
* Copyright (C) 2011-2015 Jiri Pirko <jiri@resnulli.us>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <signal.h>
#include <errno.h>
#include <sys/select.h>
#include <team.h>
#define APPNAME "team_monitor"
static char *get_port_name(struct team_handle *th, uint32_t ifindex)
{
static char ifname[32];
return team_ifindex2ifname(th, ifindex, ifname, sizeof(ifname));
}
static int die = 0;
static void sigint_handler(int signum)
{
die = 1;
}
static void do_main_loop(struct team_handle *th)
{
fd_set rfds;
fd_set rfds_tmp;
int fdmax;
int ret;
int tfd;
FD_ZERO(&rfds);
tfd = team_get_event_fd(th);
FD_SET(tfd, &rfds);
fdmax = tfd + 1;
while (1) {
rfds_tmp = rfds;
ret = select(fdmax, &rfds_tmp, NULL, NULL, NULL);
if (die)
break;
if (ret == -1) {
perror("select()");
}
if (FD_ISSET(tfd, &rfds_tmp))
team_handle_events(th);
}
}
static int port_change_handler_func(struct team_handle *th, void *arg,
team_change_type_mask_t type_mask)
{
struct team_port *port;
printf("------------------\nport change\n\tport list:\n");
team_for_each_port(port, th) {
uint32_t ifindex = team_get_port_ifindex(port);
printf("\tifname %s, linkup %d, changed %d, speed %d, "
"duplex %d\n",
get_port_name(th, ifindex),
team_is_port_link_up(port),
team_is_port_changed(port),
team_get_port_speed(port),
team_get_port_duplex(port));
}
return 0;
}
static struct team_change_handler port_change_handler = {
.func = port_change_handler_func,
.type_mask = TEAM_PORT_CHANGE,
};
static int option_change_handler_func(struct team_handle *th, void *arg,
team_change_type_mask_t type_mask)
{
struct team_option *option;
printf("------------------\noption change\n\toption list:\n");
team_for_each_option(option, th) {
printf("\topt_name: %s, changed %d\n",
team_get_option_name(option),
team_is_option_changed(option));
}
return 0;
}
static struct team_change_handler option_change_handler = {
.func = option_change_handler_func,
.type_mask = TEAM_OPTION_CHANGE,
};
int main(int argc, char *argv[])
{
struct team_handle *th;
int err;
char *ifname;
uint32_t ifindex;
if (argc < 2) {
fprintf(stderr, "Usage: %s TEAMDEV\n", APPNAME);
return 1;
}
th = team_alloc();
if (!th) {
fprintf(stderr, "team alloc failed.\n");
return 1;
}
ifname = argv[1];
ifindex = team_ifname2ifindex(th, ifname);
if (!ifindex) {
fprintf(stderr, "Netdevice %s not found.\n", ifname);
return 1;
}
err = team_init(th, ifindex);
if (err) {
fprintf(stderr, "team init failed\n");
err = 1;
goto err_team_init;
}
err = team_change_handler_register(th, &port_change_handler, NULL);
if (err) {
fprintf(stderr, "port change handler register failed\n");
err = 1;
goto err_port_change_register;
}
err = team_change_handler_register(th, &option_change_handler, NULL);
if (err) {
fprintf(stderr, "option change handler register failed\n");
err = 1;
goto err_option_change_register;
}
signal(SIGINT, sigint_handler);
do_main_loop(th);
team_change_handler_unregister(th, &option_change_handler, NULL);
err_option_change_register:
team_change_handler_unregister(th, &port_change_handler, NULL);
err_port_change_register:
err_team_init:
team_free(th);
return err;
}
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