diff options
author | Daniel P. Berrange <berrange@redhat.com> | 2018-02-01 16:45:14 +0000 |
---|---|---|
committer | Gerd Hoffmann <kraxel@redhat.com> | 2018-02-02 07:47:39 +0100 |
commit | 13e1d0e71e78a925848258391a6e616b6b5ae219 (patch) | |
tree | 47fb2bacbae32badd0acbf440320c81dae39fcc2 /ui/vnc.c | |
parent | 8ea9c80a19da93e93852ab61434b1a33fcbaa97a (diff) | |
download | qemu-13e1d0e71e78a925848258391a6e616b6b5ae219.zip qemu-13e1d0e71e78a925848258391a6e616b6b5ae219.tar.gz qemu-13e1d0e71e78a925848258391a6e616b6b5ae219.tar.bz2 |
ui: convert VNC server to QIONetListener
The VNC server already has the ability to listen on multiple sockets.
Converting it to use the QIONetListener APIs though, will reduce the
amount of code in the VNC server and improve the clarity of what is
left.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20180201164514.10330-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui/vnc.c')
-rw-r--r-- | ui/vnc.c | 195 |
1 files changed, 55 insertions, 140 deletions
@@ -228,12 +228,12 @@ static VncServerInfo *vnc_server_info_get(VncDisplay *vd) VncServerInfo *info; Error *err = NULL; - if (!vd->nlsock) { + if (!vd->listener || !vd->listener->nsioc) { return NULL; } info = g_malloc0(sizeof(*info)); - vnc_init_basic_info_from_server_addr(vd->lsock[0], + vnc_init_basic_info_from_server_addr(vd->listener->sioc[0], qapi_VncServerInfo_base(info), &err); info->has_auth = true; info->auth = g_strdup(vnc_auth_name(vd)); @@ -379,7 +379,7 @@ VncInfo *qmp_query_vnc(Error **errp) VncDisplay *vd = vnc_display_find(NULL); SocketAddress *addr = NULL; - if (vd == NULL || !vd->nlsock) { + if (vd == NULL || !vd->listener || !vd->listener->nsioc) { info->enabled = false; } else { info->enabled = true; @@ -388,11 +388,8 @@ VncInfo *qmp_query_vnc(Error **errp) info->has_clients = true; info->clients = qmp_query_client_list(vd); - if (vd->lsock == NULL) { - return info; - } - - addr = qio_channel_socket_get_local_address(vd->lsock[0], errp); + addr = qio_channel_socket_get_local_address(vd->listener->sioc[0], + errp); if (!addr) { goto out_error; } @@ -572,13 +569,14 @@ VncInfo2List *qmp_query_vnc_servers(Error **errp) info->has_display = true; info->display = g_strdup(dev->id); } - for (i = 0; i < vd->nlsock; i++) { + for (i = 0; vd->listener != NULL && i < vd->listener->nsioc; i++) { info->server = qmp_query_server_entry( - vd->lsock[i], false, vd->auth, vd->subauth, info->server); + vd->listener->sioc[i], false, vd->auth, vd->subauth, + info->server); } - for (i = 0; i < vd->nlwebsock; i++) { + for (i = 0; vd->wslistener != NULL && i < vd->wslistener->nsioc; i++) { info->server = qmp_query_server_entry( - vd->lwebsock[i], true, vd->ws_auth, + vd->wslistener->sioc[i], true, vd->ws_auth, vd->ws_subauth, info->server); } @@ -3143,36 +3141,18 @@ void vnc_start_protocol(VncState *vs) qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier); } -static gboolean vnc_listen_io(QIOChannel *ioc, - GIOCondition condition, - void *opaque) +static void vnc_listen_io(QIONetListener *listener, + QIOChannelSocket *cioc, + void *opaque) { VncDisplay *vd = opaque; - QIOChannelSocket *sioc = NULL; - Error *err = NULL; - bool isWebsock = false; - size_t i; - - for (i = 0; i < vd->nlwebsock; i++) { - if (ioc == QIO_CHANNEL(vd->lwebsock[i])) { - isWebsock = true; - break; - } - } + bool isWebsock = listener == vd->wslistener; - sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(ioc), &err); - if (sioc != NULL) { - qio_channel_set_name(QIO_CHANNEL(sioc), - isWebsock ? "vnc-ws-server" : "vnc-server"); - qio_channel_set_delay(QIO_CHANNEL(sioc), false); - vnc_connect(vd, sioc, false, isWebsock); - object_unref(OBJECT(sioc)); - } else { - /* client probably closed connection before we got there */ - error_free(err); - } - - return TRUE; + qio_channel_set_name(QIO_CHANNEL(cioc), + isWebsock ? "vnc-ws-server" : "vnc-server"); + qio_channel_set_delay(QIO_CHANNEL(cioc), false); + vnc_connect(vd, cioc, false, isWebsock); + object_unref(OBJECT(cioc)); } static const DisplayChangeListenerOps dcl_ops = { @@ -3224,34 +3204,22 @@ void vnc_display_init(const char *id) static void vnc_display_close(VncDisplay *vd) { - size_t i; if (!vd) { return; } vd->is_unix = false; - for (i = 0; i < vd->nlsock; i++) { - if (vd->lsock_tag[i]) { - g_source_remove(vd->lsock_tag[i]); - } - object_unref(OBJECT(vd->lsock[i])); + + if (vd->listener) { + qio_net_listener_disconnect(vd->listener); + object_unref(OBJECT(vd->listener)); } - g_free(vd->lsock); - g_free(vd->lsock_tag); - vd->lsock = NULL; - vd->lsock_tag = NULL; - vd->nlsock = 0; + vd->listener = NULL; - for (i = 0; i < vd->nlwebsock; i++) { - if (vd->lwebsock_tag[i]) { - g_source_remove(vd->lwebsock_tag[i]); - } - object_unref(OBJECT(vd->lwebsock[i])); + if (vd->wslistener) { + qio_net_listener_disconnect(vd->wslistener); + object_unref(OBJECT(vd->wslistener)); } - g_free(vd->lwebsock); - g_free(vd->lwebsock_tag); - vd->lwebsock = NULL; - vd->lwebsock_tag = NULL; - vd->nlwebsock = 0; + vd->wslistener = NULL; vd->auth = VNC_AUTH_INVALID; vd->subauth = VNC_AUTH_INVALID; @@ -3303,11 +3271,11 @@ static void vnc_display_print_local_addr(VncDisplay *vd) SocketAddress *addr; Error *err = NULL; - if (!vd->nlsock) { + if (!vd->listener || !vd->listener->nsioc) { return; } - addr = qio_channel_socket_get_local_address(vd->lsock[0], &err); + addr = qio_channel_socket_get_local_address(vd->listener->sioc[0], &err); if (!addr) { return; } @@ -3815,68 +3783,6 @@ static int vnc_display_connect(VncDisplay *vd, } -static int vnc_display_listen_addr(VncDisplay *vd, - SocketAddress *addr, - const char *name, - QIOChannelSocket ***lsock, - guint **lsock_tag, - size_t *nlsock, - Error **errp) -{ - QIODNSResolver *resolver = qio_dns_resolver_get_instance(); - SocketAddress **rawaddrs = NULL; - size_t nrawaddrs = 0; - Error *listenerr = NULL; - bool listening = false; - size_t i; - - if (qio_dns_resolver_lookup_sync(resolver, addr, &nrawaddrs, - &rawaddrs, errp) < 0) { - return -1; - } - - for (i = 0; i < nrawaddrs; i++) { - QIOChannelSocket *sioc = qio_channel_socket_new(); - - qio_channel_set_name(QIO_CHANNEL(sioc), name); - if (qio_channel_socket_listen_sync( - sioc, rawaddrs[i], listenerr == NULL ? &listenerr : NULL) < 0) { - object_unref(OBJECT(sioc)); - continue; - } - listening = true; - (*nlsock)++; - *lsock = g_renew(QIOChannelSocket *, *lsock, *nlsock); - *lsock_tag = g_renew(guint, *lsock_tag, *nlsock); - - (*lsock)[*nlsock - 1] = sioc; - (*lsock_tag)[*nlsock - 1] = 0; - } - - for (i = 0; i < nrawaddrs; i++) { - qapi_free_SocketAddress(rawaddrs[i]); - } - g_free(rawaddrs); - - if (listenerr) { - if (!listening) { - error_propagate(errp, listenerr); - return -1; - } else { - error_free(listenerr); - } - } - - for (i = 0; i < *nlsock; i++) { - (*lsock_tag)[i] = qio_channel_add_watch( - QIO_CHANNEL((*lsock)[i]), - G_IO_IN, vnc_listen_io, vd, NULL); - } - - return 0; -} - - static int vnc_display_listen(VncDisplay *vd, SocketAddress **saddr, size_t nsaddr, @@ -3886,25 +3792,34 @@ static int vnc_display_listen(VncDisplay *vd, { size_t i; - for (i = 0; i < nsaddr; i++) { - if (vnc_display_listen_addr(vd, saddr[i], - "vnc-listen", - &vd->lsock, - &vd->lsock_tag, - &vd->nlsock, - errp) < 0) { - return -1; + if (nsaddr) { + vd->listener = qio_net_listener_new(); + qio_net_listener_set_name(vd->listener, "vnc-listen"); + for (i = 0; i < nsaddr; i++) { + if (qio_net_listener_open_sync(vd->listener, + saddr[i], + errp) < 0) { + return -1; + } } + + qio_net_listener_set_client_func(vd->listener, + vnc_listen_io, vd, NULL); } - for (i = 0; i < nwsaddr; i++) { - if (vnc_display_listen_addr(vd, wsaddr[i], - "vnc-ws-listen", - &vd->lwebsock, - &vd->lwebsock_tag, - &vd->nlwebsock, - errp) < 0) { - return -1; + + if (nwsaddr) { + vd->wslistener = qio_net_listener_new(); + qio_net_listener_set_name(vd->wslistener, "vnc-ws-listen"); + for (i = 0; i < nwsaddr; i++) { + if (qio_net_listener_open_sync(vd->wslistener, + wsaddr[i], + errp) < 0) { + return -1; + } } + + qio_net_listener_set_client_func(vd->wslistener, + vnc_listen_io, vd, NULL); } return 0; |