void cos_init(void *arg)
{
int c, accept_fd, ret;
long eid;
cvect_init_static(&evts);
cvect_init_static(&tor_from);
cvect_init_static(&tor_to);
eid = evt_get();
c = net_create_tcp_connection(cos_spd_id(), cos_get_thd_id(), eid);
if (c < 0) BUG();
ret = net_bind(cos_spd_id(), c, 0, 200);
if (ret < 0) BUG();
ret = net_listen(cos_spd_id(), c, 255);
if (ret < 0) BUG();
accept_fd = c;
evt_add(c, eid);
while (1) {
struct tor_conn tc;
int t;
long evt;
memset(&tc, 0, sizeof(struct tor_conn));
printc("waiting...\n");
evt = evt_grp_wait(cos_spd_id());
t = evt_torrent(evt);
if (t > 0) {
tc.feid = evt;
tc.from = t;
if (t == accept_fd) {
tc.to = 0;
printc("accepting event.\n");
accept_new(accept_fd);
} else {
tc.to = tor_get_to(t);
assert(tc.to > 0);
printc("data from net.\n");
from_data_new(&tc);
}
} else {
t *= -1;
tc.teid = evt;
tc.to = t;
tc.from = tor_get_from(t);
assert(tc.from > 0);
printc("data from torrent.\n");
to_data_new(&tc);
}
cos_mpd_update();
}
}
td_t
tsplit(spdid_t spdid, td_t tid, char *param, int len,
tor_flags_t tflags, long evtid)
{
td_t ret = -EINVAL;
struct torrent *t;
net_connection_t nc = 0;
int accept = 0;
if (tor_isnull(tid)) return -EINVAL;
NET_LOCK_TAKE();
/* creating a new connection */
if (tid == td_root || len == 0 || strstr(param, "accept")) {
if (tid == td_root) { /* new connection */
nc = net_create_tcp_connection(spdid, cos_get_thd_id(), evtid);
if (nc <= 0) ERR_THROW(-ENOMEM, done);
} else { /* len == 0 || strstr(param, "accept"), accept on connection */
t = tor_lookup(tid);
if (!t) goto done;
nc = net_accept(spdid, (net_connection_t)t->data);
if (nc == -EAGAIN) {
/* printc("net accept return EAGAIN\n"); */
ERR_THROW(-EAGAIN, done);
}
if (nc < 0) ERR_THROW(-EINVAL, done);
if (0 < net_accept_data(spdid, nc, evtid)) BUG();
accept = 1;
}
t = tor_alloc((void*)nc, tflags);
if (!t) ERR_THROW(-ENOMEM, free);
ret = t->td;
} else { /* modifying an existing connection */
t = tor_lookup(tid);
if (!t) goto done;
nc = (net_connection_t)t->data;
}
if (!accept && len != 0) {
int r;
NET_LOCK_RELEASE();
r = modify_connection(spdid, nc, param, len);
if (r < 0) ret = r;
NET_LOCK_TAKE();
}
done:
NET_LOCK_RELEASE();
assert(lock_contested(&net_lock) != cos_get_thd_id());
return ret;
free:
net_close(spdid, nc);
goto done;
}
