Merge tag 'dbus-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

Add D-Bus display backend

# gpg: Signature made Mon 20 Dec 2021 10:57:18 PM PST
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [unknown]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'dbus-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (36 commits)
  MAINTAINERS: update D-Bus section
  ui/dbus: register D-Bus VC handler
  ui/dbus: add chardev backend & interface
  option: add g_auto for QemuOpts
  chardev: make socket derivable
  chardev: teach socket to accept no addresses
  ui/dbus: add clipboard interface
  audio: add "dbus" audio backend
  tests: start dbus-display-test
  tests/qtests: add qtest_qmp_add_client()
  ui/dbus: add p2p=on/off option
  ui: add a D-Bus display backend
  build-sys: set glib dependency version
  docs: add dbus-display documentation
  docs: move D-Bus VMState documentation to source XML
  backends: move dbus-vmstate1.xml to backends/
  docs/sphinx: add sphinx modules to include D-Bus documentation
  scripts: teach modinfo to skip non-C sources
  console: save current scanout details
  ui: move qemu_spice_fill_device_address to ui/util.c
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 86 insertions, 0 deletions

diff --git a/include/chardev/char-socket.h b/include/chardev/char-socket.h
new file mode 100644
index 0000000000..6b6e2ceba1
--- /dev/null
+++ b/include/chardev/char-socket.h
@@ -0,0 +1,86 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef CHAR_SOCKET_H_
+#define CHAR_SOCKET_H_
+
+#include "io/channel-socket.h"
+#include "io/channel-tls.h"
+#include "io/net-listener.h"
+#include "chardev/char.h"
+#include "qom/object.h"
+
+#define TCP_MAX_FDS 16
+
+typedef struct {
+    char buf[21];
+    size_t buflen;
+} TCPChardevTelnetInit;
+
+typedef enum {
+    TCP_CHARDEV_STATE_DISCONNECTED,
+    TCP_CHARDEV_STATE_CONNECTING,
+    TCP_CHARDEV_STATE_CONNECTED,
+} TCPChardevState;
+
+typedef ChardevClass SocketChardevClass;
+
+struct SocketChardev {
+    Chardev parent;
+    QIOChannel *ioc; /* Client I/O channel */
+    QIOChannelSocket *sioc; /* Client master channel */
+    QIONetListener *listener;
+    GSource *hup_source;
+    QCryptoTLSCreds *tls_creds;
+    char *tls_authz;
+    TCPChardevState state;
+    int max_size;
+    int do_telnetopt;
+    int do_nodelay;
+    int *read_msgfds;
+    size_t read_msgfds_num;
+    int *write_msgfds;
+    size_t write_msgfds_num;
+    bool registered_yank;
+
+    SocketAddress *addr;
+    bool is_listen;
+    bool is_telnet;
+    bool is_tn3270;
+    GSource *telnet_source;
+    TCPChardevTelnetInit *telnet_init;
+
+    bool is_websock;
+
+    GSource *reconnect_timer;
+    int64_t reconnect_time;
+    bool connect_err_reported;
+
+    QIOTask *connect_task;
+};
+typedef struct SocketChardev SocketChardev;
+
+DECLARE_INSTANCE_CHECKER(SocketChardev, SOCKET_CHARDEV,
+                         TYPE_CHARDEV_SOCKET)
+
+#endif /* CHAR_SOCKET_H_ */