int tcpconnect(const ipaddr *addr, int64_t deadline) {
int err;
/* Open a socket. */
int s = socket(ipfamily(addr), SOCK_STREAM, 0);
if(dill_slow(s < 0)) return -1;
tcptune(s);
/* Connect to the remote endpoint. */
int rc = dsconnect(s, ipsockaddr(addr), iplen(addr), deadline);
if(dill_slow(rc < 0)) return -1;
/* Create the object. */
struct tcpconn *conn = tcpconn_create();
if(dill_slow(!conn)) {err = errno; goto error1;}
conn->fd = s;
conn->addr = *addr;
/* Bind the object to a sock handle. */
int bs = bsock(tcpconn_type, conn, &tcpconn_vfptrs);
if(dill_slow(bs < 0)) {err = errno; goto error2;}
return bs;
error2:
tcpconn_destroy(conn);
error1:
rc = dsclose(s);
dill_assert(rc == 0);
errno = err;
return -1;
}
static int
usalo_close(SCSI *usalp)
{
#ifndef USE_DSLIB
register int f;
register int b;
register int t;
register int l;
if (usalp->local == NULL)
return (-1);
for (b = 0; b < MAX_SCG; b++) {
for (t = 0; t < MAX_TGT; t++) {
for (l = 0; l < MAX_LUN; l++) {
f = usallocal(usalp)->usalfiles[b][t][l];
if (f >= 0)
close(f);
usallocal(usalp)->usalfiles[b][t][l] = (short)-1;
}
}
}
#else
dsclose(dsp);
#endif
return (0);
}
static void tcplistener_close(int s) {
struct tcplistener *lst = hdata(s, tcplistener_type);
dill_assert(lst);
int rc = dsclose(lst->fd);
dill_assert(rc == 0);
free(lst);
}
int tcpaccept(int s, int64_t deadline) {
int err;
struct tcplistener *lst = hdata(s, tcplistener_type);
if(dill_slow(!lst)) return -1;
/* Try to get new connection in a non-blocking way. */
ipaddr addr;
socklen_t addrlen;
int as = dsaccept(lst->fd, (struct sockaddr*)&addr, &addrlen, deadline);
if(dill_slow(as < 0)) return -1;
tcptune(as);
/* Create the object. */
struct tcpconn *conn = tcpconn_create();
if(dill_slow(!conn)) {err = errno; goto error1;}
conn->fd = as;
conn->addr = addr;
/* Bind the object to a handle. */
int hndl = bsock(tcpconn_type, conn, &tcpconn_vfptrs);
if(dill_slow(hndl < 0)) {err = errno; goto error2;}
return hndl;
error2:
tcpconn_destroy(conn);
error1:;
int rc = dsclose(s);
dill_assert(rc == 0);
errno = err;
return -1;
}
/* ARGSUSED */
int
idclose(dev_t dev, int flags, int fmt, struct proc *p)
{
struct ida_drv *drv;
int part = dkpart(dev);
int unit = dkunit(dev);
if (unit >= NID || part >= MAXPARTITIONS) /* bounds check */
return(ENXIO);
drv = id_drive[unit];
dsclose(dev, fmt, drv->slices);
if (!dsisopen(drv->slices)) {
drv->flags &= ~ID_DEV_OPEN;
}
return 0;
}
static int tcpconn_finish(int s, int64_t deadline) {
int rc;
int err = 0;
struct tcpconn *conn = bsockdata(s, tcpconn_type);
if(dill_slow(!conn)) return -1;
/* First, let's try to flush remaining outbound data. */
if(deadline != 0) {
rc = tcpconn_flush(s, deadline);
if(dill_slow(rc < 0)) err = errno;
}
/* Close the underlying socket. */
rc = dsclose(conn->fd);
dill_assert(rc == 0);
/* Deallocate the object. */
tcpconn_destroy(conn);
errno = err;
return err ? -1 : 0;
}
int tcplisten(const ipaddr *addr, int backlog) {
int err;
if(dill_slow(backlog < 0)) {errno = EINVAL; return -1;}
/* Open listening socket. */
int s = socket(ipfamily(addr), SOCK_STREAM, 0);
if(dill_slow(s < 0)) return -1;
tcptune(s);
/* Start listening. */
int rc = bind(s, ipsockaddr(addr), iplen(addr));
if(dill_slow(rc != 0)) return -1;
rc = listen(s, backlog);
if(dill_slow(rc != 0)) return -1;
/* If the user requested an ephemeral port,
retrieve the port number assigned by the OS now. */
int port = ipport(addr);
if(port == 0) {
ipaddr baddr;
socklen_t len = sizeof(ipaddr);
rc = getsockname(s, (struct sockaddr*)&baddr, &len);
if(dill_slow(rc < 0)) {err = errno; goto error1;}
port = ipport(&baddr);
}
/* Create the object. */
struct tcplistener *lst = malloc(sizeof(struct tcplistener));
if(dill_slow(!lst)) {errno = ENOMEM; goto error1;}
lst->fd = s;
lst->port = port;
/* Bind the object to a handle. */
int h = handle(tcplistener_type, lst, &tcplistener_vfptrs);
if(dill_slow(h < 0)) {err = errno; goto error2;}
return h;
error2:
free(lst);
error1:
rc = dsclose(s);
dill_assert(rc == 0);
errno = err;
return -1;
}