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/*
* Unplug device during test run
* Run the ACD engine with an address that is not used by anyone else on the
* link, but DOWN or UNPLUG the device while running.
*/
#include <stdlib.h>
#include "test.h"
static void test_unplug_down(int ifindex, uint8_t *mac, size_t n_mac, unsigned int run) {
NAcdConfig config = {
.ifindex = ifindex,
.mac = mac,
.n_mac = n_mac,
.ip = { htobe32((192 << 24) | (168 << 16) | (1 << 0)) },
.timeout_msec = 100,
};
struct pollfd pfds;
NAcd *acd;
int r, fd;
if (!run--)
test_veth_cmd(ifindex, "down");
r = n_acd_new(&acd);
assert(!r);
if (!run--)
test_veth_cmd(ifindex, "down");
n_acd_get_fd(acd, &fd);
r = n_acd_start(acd, &config);
assert(!r);
if (!run--)
test_veth_cmd(ifindex, "down");
for (;;) {
NAcdEvent *event;
pfds = (struct pollfd){ .fd = fd, .events = POLLIN };
r = poll(&pfds, 1, -1);
assert(r >= 0);
if (!run--)
test_veth_cmd(ifindex, "down");
r = n_acd_dispatch(acd);
assert(!r);
r = n_acd_pop_event(acd, &event);
if (!r) {
if (event->event == N_ACD_EVENT_DOWN) {
break;
} else {
assert(event->event == N_ACD_EVENT_READY);
test_veth_cmd(ifindex, "down");
}
} else {
assert(r == N_ACD_E_DONE);
}
}
n_acd_free(acd);
}
int main(int argc, char **argv) {
struct ether_addr mac;
unsigned int i;
int r, ifindex;
r = test_setup();
if (r)
return r;
test_veth_new(&ifindex, &mac, NULL, NULL);
for (i = 0; i < 5; ++i) {
test_unplug_down(ifindex, mac.ether_addr_octet, sizeof(mac.ether_addr_octet), i);
test_veth_cmd(ifindex, "up");
}
return 0;
}
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