[Spice-devel] [PATCH vdagent v3 6/8] vdagent: Introduce SpiceVDAgent object
Frediano Ziglio
fziglio at redhat.com
Wed Oct 11 11:27:42 UTC 2017
Title, SpiceVDAgent -> VDAgent
>
> Related to ongoing work to use GMainLoop and GTK integration
>
> Signed-off-by: Victor Toso <victortoso at redhat.com>
> ---
> Makefile.am | 3 ++
> configure.ac | 1 +
> src/vdagent/vdagent.c | 140
> ++++++++++++++++++++++++++++++--------------------
> src/vdagent/vdagent.h | 54 +++++++++++++++++++
> 4 files changed, 142 insertions(+), 56 deletions(-)
> create mode 100644 src/vdagent/vdagent.h
>
> diff --git a/Makefile.am b/Makefile.am
> index 45f7177..efd058a 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -14,6 +14,7 @@ common_sources = \
> src_spice_vdagent_CFLAGS = \
> $(X_CFLAGS) \
> $(SPICE_CFLAGS) \
> + $(GOBJECT2_CFLAGS) \
> $(GLIB2_CFLAGS) \
> $(ALSA_CFLAGS) \
> -I$(srcdir)/src \
> @@ -23,6 +24,7 @@ src_spice_vdagent_CFLAGS = \
> src_spice_vdagent_LDADD = \
> $(X_LIBS) \
> $(SPICE_LIBS) \
> + $(GOBJECT2_LIBS) \
> $(GLIB2_LIBS) \
> $(ALSA_LIBS) \
> $(NULL)
> @@ -38,6 +40,7 @@ src_spice_vdagent_SOURCES = \
> src/vdagent/x11.c \
> src/vdagent/x11.h \
> src/vdagent/vdagent.c \
> + src/vdagent/vdagent.h \
> $(NULL)
>
> src_spice_vdagentd_CFLAGS = \
> diff --git a/configure.ac b/configure.ac
> index d92b527..12b7d23 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -86,6 +86,7 @@ AC_ARG_ENABLE([static-uinput],
> [enable_static_uinput="no"])
>
> PKG_CHECK_MODULES([GLIB2], [glib-2.0 >= 2.34])
> +PKG_CHECK_MODULES(GOBJECT2, [gobject-2.0])
> PKG_CHECK_MODULES(X, [xfixes xrandr >= 1.3 xinerama x11])
> PKG_CHECK_MODULES(SPICE, [spice-protocol >= 0.12.13])
> PKG_CHECK_MODULES(ALSA, [alsa >= 1.0.22])
> diff --git a/src/vdagent/vdagent.c b/src/vdagent/vdagent.c
> index 1f44728..462b5fe 100644
> --- a/src/vdagent/vdagent.c
> +++ b/src/vdagent/vdagent.c
> @@ -37,16 +37,13 @@
> #include <glib.h>
> #include <poll.h>
>
> -#include "udscs.h"
> #include "vdagentd-proto.h"
> #include "vdagentd-proto-strings.h"
> #include "audio.h"
> -#include "x11.h"
> -#include "file-xfers.h"
> +#include "vdagent.h"
> +
> +G_DEFINE_TYPE (VDAgent, vdagent, G_TYPE_OBJECT);
>
> -static struct vdagent_x11 *x11 = NULL;
> -static struct vdagent_file_xfers *vdagent_file_xfers = NULL;
> -static struct udscs_connection *client = NULL;
> static int quit = 0;
> static int version_mismatch = 0;
>
> @@ -90,7 +87,7 @@ static GOptionEntry entries[] = {
> * Return path where transferred files should be stored.
> * Returned path should not be freed or modified.
> **/
> -static const gchar *xfer_get_download_directory(void)
> +static const gchar *xfer_get_download_directory(VDAgent *agent)
> {
> if (fx_dir != NULL) {
> if (!strcmp(fx_dir, "xdg-desktop"))
> @@ -101,7 +98,7 @@ static const gchar *xfer_get_download_directory(void)
> return fx_dir;
> }
>
> - return g_get_user_special_dir(vdagent_x11_has_icons_on_desktop(x11) ?
> + return
> g_get_user_special_dir(vdagent_x11_has_icons_on_desktop(agent->x11) ?
> G_USER_DIRECTORY_DESKTOP :
> G_USER_DIRECTORY_DOWNLOAD);
> }
> @@ -110,63 +107,64 @@ static const gchar *xfer_get_download_directory(void)
> * vdagent_init_file_xfer
> *
> * Initialize handler for file xfer,
> - * return TRUE on success (vdagent_file_xfers is not NULL).
> + * return TRUE on success (agent->xfers is not NULL).
> **/
> -static gboolean vdagent_init_file_xfer(void)
> +static gboolean vdagent_init_file_xfer(VDAgent *agent)
> {
> const gchar *xfer_dir;
>
> - if (vdagent_file_xfers != NULL) {
> + if (agent->xfers != NULL) {
> syslog(LOG_DEBUG, "File-xfer already initialized");
> return TRUE;
> }
>
> - xfer_dir = xfer_get_download_directory();
> + xfer_dir = xfer_get_download_directory(agent);
> if (xfer_dir == NULL) {
> syslog(LOG_WARNING,
> "warning could not get file xfer save dir, "
> "file transfers will be disabled");
> - vdagent_file_xfers = NULL;
> return FALSE;
> }
>
> if (fx_open_dir == -1)
> - fx_open_dir = !vdagent_x11_has_icons_on_desktop(x11);
> + fx_open_dir = !vdagent_x11_has_icons_on_desktop(agent->x11);
>
> - vdagent_file_xfers = vdagent_file_xfers_create(client, xfer_dir,
> - fx_open_dir, debug);
> - return (vdagent_file_xfers != NULL);
> + agent->xfers = vdagent_file_xfers_create(agent->conn, xfer_dir,
> + fx_open_dir, debug);
> + return (agent->xfers != NULL);
> }
>
> -static gboolean vdagent_finalize_file_xfer(void)
> +static gboolean vdagent_finalize_file_xfer(VDAgent *agent)
> {
> - if (vdagent_file_xfers == NULL)
> + if (agent->xfers == NULL)
> return FALSE;
>
> - g_clear_pointer(&vdagent_file_xfers, vdagent_file_xfers_destroy);
> + g_clear_pointer(&agent->xfers, vdagent_file_xfers_destroy);
> return TRUE;
> }
>
> static void daemon_read_complete(struct udscs_connection **connp,
> struct udscs_message_header *header, uint8_t *data)
> {
> + VDAgent *agent = udscs_get_user_data(*connp);
> +
> switch (header->type) {
> case VDAGENTD_MONITORS_CONFIG:
> - vdagent_x11_set_monitor_config(x11, (VDAgentMonitorsConfig *)data,
> 0);
> + vdagent_x11_set_monitor_config(agent->x11, (VDAgentMonitorsConfig
> *)data, 0);
> break;
> case VDAGENTD_CLIPBOARD_REQUEST:
> - vdagent_x11_clipboard_request(x11, header->arg1, header->arg2);
> + vdagent_x11_clipboard_request(agent->x11, header->arg1,
> header->arg2);
> break;
> case VDAGENTD_CLIPBOARD_GRAB:
> - vdagent_x11_clipboard_grab(x11, header->arg1, (uint32_t *)data,
> + vdagent_x11_clipboard_grab(agent->x11, header->arg1, (uint32_t
> *)data,
> header->size / sizeof(uint32_t));
> break;
> case VDAGENTD_CLIPBOARD_DATA:
> - vdagent_x11_clipboard_data(x11, header->arg1, header->arg2,
> + vdagent_x11_clipboard_data(agent->x11, header->arg1, header->arg2,
> data, header->size);
> break;
> case VDAGENTD_CLIPBOARD_RELEASE:
> - vdagent_x11_clipboard_release(x11, header->arg1);
> + vdagent_x11_clipboard_release(agent->x11, header->arg1);
> break;
> case VDAGENTD_VERSION:
> if (strcmp((char *)data, VERSION) != 0) {
> @@ -177,8 +175,8 @@ static void daemon_read_complete(struct udscs_connection
> **connp,
> }
> break;
> case VDAGENTD_FILE_XFER_START:
> - if (vdagent_file_xfers != NULL) {
> - vdagent_file_xfers_start(vdagent_file_xfers,
> + if (agent->xfers != NULL) {
> + vdagent_file_xfers_start(agent->xfers,
> (VDAgentFileXferStartMessage *)data);
> } else {
> vdagent_file_xfers_error_disabled(*connp,
> @@ -186,8 +184,8 @@ static void daemon_read_complete(struct udscs_connection
> **connp,
> }
> break;
> case VDAGENTD_FILE_XFER_STATUS:
> - if (vdagent_file_xfers != NULL) {
> - vdagent_file_xfers_status(vdagent_file_xfers,
> + if (agent->xfers != NULL) {
> + vdagent_file_xfers_status(agent->xfers,
> (VDAgentFileXferStatusMessage *)data);
> } else {
> vdagent_file_xfers_error_disabled(*connp,
> @@ -198,7 +196,7 @@ static void daemon_read_complete(struct udscs_connection
> **connp,
> if (debug)
> syslog(LOG_DEBUG, "Disabling file-xfers");
>
> - vdagent_finalize_file_xfer();
> + vdagent_finalize_file_xfer(agent);
> break;
> case VDAGENTD_AUDIO_VOLUME_SYNC: {
> VDAgentAudioVolumeSync *avs = (VDAgentAudioVolumeSync *)data;
> @@ -210,8 +208,8 @@ static void daemon_read_complete(struct udscs_connection
> **connp,
> break;
> }
> case VDAGENTD_FILE_XFER_DATA:
> - if (vdagent_file_xfers != NULL) {
> - vdagent_file_xfers_data(vdagent_file_xfers,
> + if (agent->xfers != NULL) {
> + vdagent_file_xfers_data(agent->xfers,
> (VDAgentFileXferDataMessage *)data);
> } else {
> vdagent_file_xfers_error_disabled(*connp,
> @@ -219,9 +217,9 @@ static void daemon_read_complete(struct udscs_connection
> **connp,
> }
> break;
> case VDAGENTD_CLIENT_DISCONNECTED:
> - vdagent_x11_client_disconnected(x11);
> - if (vdagent_finalize_file_xfer()) {
> - vdagent_init_file_xfer();
> + vdagent_x11_client_disconnected(agent->x11);
> + if (vdagent_finalize_file_xfer(agent)) {
> + vdagent_init_file_xfer(agent);
> }
> break;
> default:
> @@ -230,7 +228,7 @@ static void daemon_read_complete(struct udscs_connection
> **connp,
> }
> }
>
> -static struct udscs_connection *client_setup_sync(void)
> +static struct udscs_connection *client_setup_sync(VDAgent *agent)
> {
> struct udscs_connection *conn = NULL;
>
> @@ -306,6 +304,43 @@ static int file_test(const char *path)
> return stat(path, &buffer);
> }
>
> +static void vdagent_init(VDAgent *self)
> +{
> +}
> +
> +static void vdagent_finalize(GObject *gobject)
> +{
> + VDAgent *self = VDAGENT(gobject);
> + vdagent_finalize_file_xfer(self);
> + vdagent_x11_destroy(self->x11, self->conn == NULL);
> + udscs_destroy_connection(&self->conn);
> +
> + G_OBJECT_CLASS(vdagent_parent_class)->finalize(gobject);
> +}
> +
> +static void vdagent_class_init(VDAgentClass *klass)
> +{
> + GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
> + gobject_class->finalize = vdagent_finalize;
> +}
> +
> +static gboolean vdagent_init_sync(VDAgent *agent)
> +{
> + agent->conn = client_setup_sync(agent);
> + if (agent->conn == NULL)
> + return FALSE;
> + udscs_set_user_data(agent->conn, agent);
> +
> + agent->x11 = vdagent_x11_create(agent->conn, debug, x11_sync);
> + if (agent->x11 == NULL)
> + return FALSE;
> +
> + if (!vdagent_init_file_xfer(agent))
> + syslog(LOG_WARNING, "File transfer is disabled");
> +
> + return TRUE;
> +}
> +
> int main(int argc, char *argv[])
> {
> fd_set readfds, writefds;
> @@ -314,6 +349,7 @@ int main(int argc, char *argv[])
> struct sigaction act;
> GOptionContext *context;
> GError *error = NULL;
> + VDAgent *agent;
>
> context = g_option_context_new(NULL);
> g_option_context_add_main_entries(context, entries, NULL);
> @@ -362,20 +398,13 @@ reconnect:
> execvp(argv[0], argv);
> }
>
> - client = client_setup_sync();
> - if (client == NULL) {
> - return 1;
> + agent = g_object_new(TYPE_VDAGENT, NULL);
> + agent->parent_socket = parent_socket;
This field is only written here but not used.
> + if (!vdagent_init_sync(agent)) {
> + quit = 1;
> + goto end_main;
> }
>
> - x11 = vdagent_x11_create(client, debug, x11_sync);
> - if (!x11) {
> - udscs_destroy_connection(&client);
> - return 1;
> - }
> -
> - if (!vdagent_init_file_xfer())
> - syslog(LOG_WARNING, "File transfer is disabled");
> -
> if (parent_socket) {
> if (write(parent_socket, "OK", 2) != 2)
> syslog(LOG_WARNING, "Parent already gone.");
> @@ -383,12 +412,12 @@ reconnect:
> parent_socket = 0;
> }
>
> - while (client && !quit) {
> + while (agent->conn && !quit) {
> FD_ZERO(&readfds);
> FD_ZERO(&writefds);
>
> - nfds = udscs_client_fill_fds(client, &readfds, &writefds);
> - x11_fd = vdagent_x11_get_fd(x11);
> + nfds = udscs_client_fill_fds(agent->conn, &readfds, &writefds);
> + x11_fd = vdagent_x11_get_fd(agent->x11);
> FD_SET(x11_fd, &readfds);
> if (x11_fd >= nfds)
> nfds = x11_fd + 1;
> @@ -402,13 +431,12 @@ reconnect:
> }
>
> if (FD_ISSET(x11_fd, &readfds))
> - vdagent_x11_do_read(x11);
> - udscs_client_handle_fds(&client, &readfds, &writefds);
> + vdagent_x11_do_read(agent->x11);
> + udscs_client_handle_fds(&agent->conn, &readfds, &writefds);
> }
>
> - vdagent_finalize_file_xfer();
> - vdagent_x11_destroy(x11, client == NULL);
> - udscs_destroy_connection(&client);
> +end_main:
> + g_clear_object(&agent);
> if (!quit && do_daemonize)
> goto reconnect;
>
> diff --git a/src/vdagent/vdagent.h b/src/vdagent/vdagent.h
> new file mode 100644
> index 0000000..8376315
> --- /dev/null
> +++ b/src/vdagent/vdagent.h
> @@ -0,0 +1,54 @@
> +/* vdagent.h
> +
> + Copyright 2017 Red Hat, Inc.
> +
> + This program is free software: you can redistribute it and/or modify
> + it under the terms of the GNU General Public License as published by
> + the Free Software Foundation, either version 3 of the License, or
> + (at your option) any later version.
> +
> + This program is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + GNU General Public License for more details.
> +
> + You should have received a copy of the GNU General Public License
> + along with this program. If not, see <http://www.gnu.org/licenses/>.
> +*/
> +
> +#ifndef __VDAGENT_H_
> +#define __VDAGENT_H_
> +
> +#include <glib-object.h>
> +#include "udscs.h"
> +#include "x11.h"
> +#include "file-xfers.h"
> +
> +G_BEGIN_DECLS
> +
> +#define TYPE_VDAGENT (vdagent_get_type ())
> +#define VDAGENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),
> TYPE_VDAGENT, VDAgent))
> +#define VDAGENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass),
> TYPE_VDAGENT, VDAgentClass))
> +#define IS_VDAGENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),
> TYPE_VDAGENT))
> +#define IS_VDAGENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),
> TYPE_VDAGENT))
> +#define VDAGENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),
> TYPE_VDAGENT, VDAgentClass))
> +
> +typedef struct VDAgent {
> + GObject parent;
> +
> + struct vdagent_x11 *x11;
> + struct vdagent_file_xfers *xfers;
> + struct udscs_connection *conn;
> +
> + int parent_socket;
> +} VDAgent;
> +
> +typedef struct VDAgentClass {
> + GObjectClass parent;
> +} VDAgentClass;
> +
> +GType vdagent_get_type(void);
> +
> +G_END_DECLS
> +
> +#endif
Frediano
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