static int tcp_chr_new_client(Chardev *chr, QIOChannelSocket *sioc)
{
SocketChardev *s = SOCKET_CHARDEV(chr);
if (s->ioc != NULL) {
return -1;
}
s->ioc = QIO_CHANNEL(sioc);
object_ref(OBJECT(sioc));
s->sioc = sioc;
object_ref(OBJECT(sioc));
qio_channel_set_blocking(s->ioc, false, NULL);
if (s->do_nodelay) {
qio_channel_set_delay(s->ioc, false);
}
if (s->listen_tag) {
g_source_remove(s->listen_tag);
s->listen_tag = 0;
}
if (s->tls_creds) {
tcp_chr_tls_init(chr);
} else {
if (s->do_telnetopt) {
tcp_chr_telnet_init(chr);
} else {
tcp_chr_connect(chr);
}
}
return 0;
}
static gboolean tcp_chr_telnet_init_io(QIOChannel *ioc,
GIOCondition cond G_GNUC_UNUSED,
gpointer user_data)
{
TCPChardevTelnetInit *init = user_data;
ssize_t ret;
ret = qio_channel_write(ioc, init->buf, init->buflen, NULL);
if (ret < 0) {
if (ret == QIO_CHANNEL_ERR_BLOCK) {
ret = 0;
} else {
tcp_chr_disconnect(init->chr);
return FALSE;
}
}
init->buflen -= ret;
if (init->buflen == 0) {
tcp_chr_connect(init->chr);
return FALSE;
}
memmove(init->buf, init->buf + ret, init->buflen);
return TRUE;
}
static void tcp_chr_tls_handshake(QIOTask *task,
gpointer user_data)
{
Chardev *chr = user_data;
SocketChardev *s = user_data;
if (qio_task_propagate_error(task, NULL)) {
tcp_chr_disconnect(chr);
} else {
if (s->do_telnetopt) {
tcp_chr_telnet_init(chr);
} else {
tcp_chr_connect(chr);
}
}
}
static void tcp_chr_tls_handshake(QIOTask *task,
gpointer user_data)
{
Chardev *chr = user_data;
SocketChardev *s = user_data;
if (qio_task_propagate_error(task, NULL)) {
tcp_chr_disconnect(chr);
} else {
/* tn3270 does not support TLS yet */
if (s->do_telnetopt && !s->is_tn3270) {
tcp_chr_telnet_init(chr);
} else {
tcp_chr_connect(chr);
}
}
}