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authorDaniel P. Berrange <berrange@redhat.com>2017-02-03 12:06:46 +0000
committerGerd Hoffmann <kraxel@redhat.com>2017-02-09 17:28:49 +0100
commit8bd22f477f68bbd7a9c88e926e7a58bf65605e39 (patch)
treefa9e28744aef566ab22f1f2f095fbca12ab5e13d /ui
parent275e0d616bc36f5e0ffa4eb5e28069d66e8e2137 (diff)
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ui: extract code to connect/listen from vnc_display_open
The code which takes a SocketAddress and connects/listens on the network is going to get more complicated to deal with multiple listeners. Pull it out into a separate method to avoid making the vnc_display_open method even more complex. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170203120649.15637-6-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui')
-rw-r--r--ui/vnc.c122
1 files changed, 80 insertions, 42 deletions
diff --git a/ui/vnc.c b/ui/vnc.c
index 7e988c6..02c0b89 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3667,6 +3667,84 @@ static int vnc_display_get_addresses(QemuOpts *opts,
return -1;
}
+static int vnc_display_connect(VncDisplay *vd,
+ SocketAddress *saddr,
+ SocketAddress *wsaddr,
+ Error **errp)
+{
+ /* connect to viewer */
+ QIOChannelSocket *sioc = NULL;
+ if (wsaddr) {
+ error_setg(errp, "Cannot use websockets in reverse mode");
+ return -1;
+ }
+ vd->is_unix = saddr->type == SOCKET_ADDRESS_KIND_UNIX;
+ sioc = qio_channel_socket_new();
+ qio_channel_set_name(QIO_CHANNEL(sioc), "vnc-reverse");
+ if (qio_channel_socket_connect_sync(sioc, saddr, errp) < 0) {
+ return -1;
+ }
+ vnc_connect(vd, sioc, false, false);
+ object_unref(OBJECT(sioc));
+ return 0;
+}
+
+
+static int vnc_display_listen_addr(VncDisplay *vd,
+ SocketAddress *addr,
+ const char *name,
+ QIOChannelSocket ***lsock,
+ guint **lsock_tag,
+ size_t *nlsock,
+ Error **errp)
+{
+ *nlsock = 1;
+ *lsock = g_new0(QIOChannelSocket *, 1);
+ *lsock_tag = g_new0(guint, 1);
+
+ (*lsock)[0] = qio_channel_socket_new();
+ qio_channel_set_name(QIO_CHANNEL((*lsock)[0]), name);
+ if (qio_channel_socket_listen_sync((*lsock)[0], addr, errp) < 0) {
+ return -1;
+ }
+
+ (*lsock_tag)[0] = qio_channel_add_watch(
+ QIO_CHANNEL((*lsock)[0]),
+ G_IO_IN, vnc_listen_io, vd, NULL);
+
+ return 0;
+}
+
+
+static int vnc_display_listen(VncDisplay *vd,
+ SocketAddress *saddr,
+ SocketAddress *wsaddr,
+ Error **errp)
+{
+ vd->is_unix = saddr->type == SOCKET_ADDRESS_KIND_UNIX;
+
+ if (vnc_display_listen_addr(vd, saddr,
+ "vnc-listen",
+ &vd->lsock,
+ &vd->lsock_tag,
+ &vd->nlsock,
+ errp) < 0) {
+ return -1;
+ }
+ if (wsaddr &&
+ vnc_display_listen_addr(vd, wsaddr,
+ "vnc-ws-listen",
+ &vd->lwebsock,
+ &vd->lwebsock_tag,
+ &vd->nlwebsock,
+ errp) < 0) {
+ return -1;
+ }
+
+ return 0;
+}
+
+
void vnc_display_open(const char *id, Error **errp)
{
VncDisplay *vd = vnc_display_find(id);
@@ -3889,53 +3967,13 @@ void vnc_display_open(const char *id, Error **errp)
}
if (reverse) {
- /* connect to viewer */
- QIOChannelSocket *sioc = NULL;
- if (wsaddr) {
- error_setg(errp, "Cannot use websockets in reverse mode");
- goto fail;
- }
- vd->is_unix = saddr->type == SOCKET_ADDRESS_KIND_UNIX;
- sioc = qio_channel_socket_new();
- qio_channel_set_name(QIO_CHANNEL(sioc), "vnc-reverse");
- if (qio_channel_socket_connect_sync(sioc, saddr, errp) < 0) {
+ if (vnc_display_connect(vd, saddr, wsaddr, errp) < 0) {
goto fail;
}
- vnc_connect(vd, sioc, false, false);
- object_unref(OBJECT(sioc));
} else {
- vd->nlsock = 1;
- vd->lsock = g_new0(QIOChannelSocket *, 1);
- vd->lsock_tag = g_new0(guint, 1);
-
- vd->lsock[0] = qio_channel_socket_new();
- qio_channel_set_name(QIO_CHANNEL(vd->lsock[0]), "vnc-listen");
- if (qio_channel_socket_listen_sync(vd->lsock[0], saddr, errp) < 0) {
+ if (vnc_display_listen(vd, saddr, wsaddr, errp) < 0) {
goto fail;
}
- vd->is_unix = saddr->type == SOCKET_ADDRESS_KIND_UNIX;
-
- if (wsaddr) {
- vd->nlwebsock = 1;
- vd->lwebsock = g_new0(QIOChannelSocket *, 1);
- vd->lwebsock_tag = g_new0(guint, 1);
-
- vd->lwebsock[0] = qio_channel_socket_new();
- qio_channel_set_name(QIO_CHANNEL(vd->lwebsock[0]), "vnc-ws-listen");
- if (qio_channel_socket_listen_sync(vd->lwebsock[0],
- wsaddr, errp) < 0) {
- goto fail;
- }
- }
-
- vd->lsock_tag[0] = qio_channel_add_watch(
- QIO_CHANNEL(vd->lsock[0]),
- G_IO_IN, vnc_listen_io, vd, NULL);
- if (wsaddr) {
- vd->lwebsock_tag[0] = qio_channel_add_watch(
- QIO_CHANNEL(vd->lwebsock[0]),
- G_IO_IN, vnc_listen_io, vd, NULL);
- }
}
if (qemu_opt_get(opts, "to")) {