static ssize_t
tls_readv(struct wrap_io *wio, iovec_t *iov, int iovcnt)
{
struct gnutella_socket *s = wio->ctx;
ssize_t ret, done;
int i;
g_assert(socket_uses_tls(s));
g_assert(iovcnt > 0);
done = 0;
ret = 0;
for (i = 0; i < iovcnt; i++) {
const size_t size = iovec_len(&iov[i]);
ret = tls_read(wio, iovec_base(&iov[i]), size);
if ((ssize_t) -1 == ret)
break;
done += (size_t) ret;
if (size != (size_t) ret)
break;
}
return done > 0 ? done : ret;
}
/**
* Write I/O vector.
*
* @return amount of bytes written, or -1 on error.
*/
static ssize_t
tx_deflate_writev(txdrv_t *tx, iovec_t *iov, int iovcnt)
{
struct attr *attr = tx->opaque;
int sent = 0;
if (tx_deflate_debugging(9)) {
g_debug("TX %s: (%s) (buffer #%d, nagle %s, unflushed %zu) [%c%c]",
G_STRFUNC, gnet_host_to_string(&tx->host), attr->fill_idx,
(attr->flags & DF_NAGLE) ? "on" : "off", attr->unflushed,
(attr->flags & DF_FLOWC) ? 'C' : '-',
(attr->flags & DF_FLUSH) ? 'f' : '-');
}
while (iovcnt-- > 0) {
int ret;
/*
* If we're flow controlled or shut down, stop sending.
*/
if (attr->flags & (DF_FLOWC|DF_SHUTDOWN))
break;
ret = deflate_add(tx, iovec_base(iov), iovec_len(iov));
if (-1 == ret)
return -1;
sent += ret;
if (UNSIGNED(ret) < iovec_len(iov)) {
/* Could not write all, flow-controlled */
break;
}
iov++;
}
if (tx_deflate_debugging(9)) {
g_debug("TX %s: (%s) sent %lu bytes (buffer #%d, nagle %s, "
"unflushed %zu) [%c%c]", G_STRFUNC,
gnet_host_to_string(&tx->host), (ulong) sent, attr->fill_idx,
(attr->flags & DF_NAGLE) ? "on" : "off", attr->unflushed,
(attr->flags & DF_FLOWC) ? 'C' : '-',
(attr->flags & DF_FLUSH) ? 'f' : '-');
}
return sent;
}
