Files
glorytun/src/path.c
Adrien Gallouët 63831d6efc Update mud and path_status
Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
2018-03-09 23:16:13 +00:00

114 lines
2.6 KiB
C

#include "common.h"
#include "ctl.h"
#include "str.h"
#include <stdio.h>
#include <sys/socket.h>
#include "../argz/argz.h"
int
gt_path_status(int fd)
{
struct ctl_msg req = {
.type = CTL_PATH_STATUS,
}, res = {0};
if (send(fd, &req, sizeof(struct ctl_msg), 0) == -1)
return -1;
do {
if (recv(fd, &res, sizeof(struct ctl_msg), 0) == -1)
return -1;
if (res.type != req.type)
return -2;
if (!res.ret)
return 0;
char bindstr[INET6_ADDRSTRLEN] = {0};
char peerstr[INET6_ADDRSTRLEN] = {0};
if (gt_toaddr(bindstr, sizeof(bindstr),
(struct sockaddr *)&res.path_status.local_addr) ||
gt_toaddr(peerstr, sizeof(peerstr),
(struct sockaddr *)&res.path_status.addr))
return -2;
const char *statestr = NULL;
switch (res.path_status.state) {
case MUD_UP: statestr = "UP"; break;
case MUD_BACKUP: statestr = "BACKUP"; break;
case MUD_DOWN: statestr = "DOWN"; break;
default: return -2;
}
printf("path %s\n"
" bind: %s\n"
" peer: %s port %"PRIu16"\n"
" rtt: %.3f\n",
statestr, bindstr, peerstr,
gt_get_port((struct sockaddr *)&res.path_status.addr),
res.path_status.rtt/(double)1e3);
} while (res.ret == EAGAIN);
return 0;
}
int
gt_path(int argc, char **argv)
{
const char *dev = NULL;
struct ctl_msg req = {
.type = CTL_STATE,
}, res = {0};
struct argz pathz[] = {
{NULL, "IPADDR", &req.path.addr, argz_addr},
{"dev", "NAME", &dev, argz_str},
{"up|backup|down", NULL, NULL, argz_option},
{NULL}};
if (argz(pathz, argc, argv))
return 1;
int fd = ctl_connect("/run/" PACKAGE_NAME, dev);
if (fd == -1) {
perror("path");
ctl_delete(fd);
return 1;
}
int ret = 0;
if (!req.path.addr.ss_family) {
ret = gt_path_status(fd);
if (ret == -2)
gt_log("bad reply from server\n");
} else {
if (argz_is_set(pathz, "up")) {
req.path.state = MUD_UP;
} else if (argz_is_set(pathz, "backup")) {
req.path.state = MUD_BACKUP;
} else if (argz_is_set(pathz, "down")) {
req.path.state = MUD_DOWN;
}
if (req.path.state)
ret = ctl_reply(fd, &res, &req);
}
if (ret == -1)
perror("path");
ctl_delete(fd);
return 0;
}