Sends the device address and device display IDs to the vdagent. The
message is sent either in reaction to the SPICE_MSGC_MAIN_AGENT_START
message or when the graphics device info changes.
TODO: doesn't resend the message on agent reconnect, FIXIT.
Signed-off-by: Lukáš Hrázký <lhrazky@xxxxxxxxxx>
---
server/red-qxl.c | 20 +++++++++++++
server/red-qxl.h | 3 ++
server/reds-private.h | 1 +
server/reds.c | 67 +++++++++++++++++++++++++++++++++++++++++++
server/reds.h | 1 +
5 files changed, 92 insertions(+)
diff --git a/server/red-qxl.c b/server/red-qxl.c
index 6ffd8286..ebc14a46 100644
--- a/server/red-qxl.c
+++ b/server/red-qxl.c
@@ -889,6 +889,26 @@ void spice_qxl_set_device_info(QXLInstance *instance,
instance->st->monitors_count = device_display_id_count;
instance->st->max_monitors = device_display_id_count;
+
+ reds_send_device_display_info(red_qxl_get_server(instance->st));
+}
+
+const char* red_qxl_get_device_address(const QXLInstance *qxl)
+{
+ const QXLState *qxl_state = qxl->st;
+ return qxl_state->device_address;
+}
+
+const uint32_t* red_qxl_get_device_display_ids(const QXLInstance *qxl)
+{
+ const QXLState *qxl_state = qxl->st;
+ return qxl_state->device_display_ids;
+}
+
+size_t red_qxl_get_monitors_count(const QXLInstance *qxl)
+{
+ const QXLState *qxl_state = qxl->st;
+ return qxl_state->monitors_count;
}
void red_qxl_init(RedsState *reds, QXLInstance *qxl)
diff --git a/server/red-qxl.h b/server/red-qxl.h
index 6014d32a..94753948 100644
--- a/server/red-qxl.h
+++ b/server/red-qxl.h
@@ -40,6 +40,9 @@ void red_qxl_put_gl_scanout(QXLInstance *qxl, SpiceMsgDisplayGlScanoutUnix *scan
void red_qxl_gl_draw_async_complete(QXLInstance *qxl);
int red_qxl_check_qxl_version(QXLInstance *qxl, int major, int minor);
SpiceServer* red_qxl_get_server(QXLState *qxl);
+const char* red_qxl_get_device_address(const QXLInstance *qxl);
+const uint32_t* red_qxl_get_device_display_ids(const QXLInstance *qxl);
+size_t red_qxl_get_monitors_count(const QXLInstance *qxl);
/* Wrappers around QXLInterface vfuncs */
void red_qxl_get_init_info(QXLInstance *qxl, QXLDevInitInfo *info);
diff --git a/server/reds-private.h b/server/reds-private.h
index 920edc5c..9dbc7fa9 100644
--- a/server/reds-private.h
+++ b/server/reds-private.h
@@ -81,6 +81,7 @@ struct RedsState {
SpiceWatch *secure_listen_watch;
RedCharDeviceVDIPort *agent_dev;
int pending_mouse_event;
+ bool pending_device_display_info_message;
GList *clients;
MainChannel *main_channel;
InputsChannel *inputs_channel;
diff --git a/server/reds.c b/server/reds.c
index cdbb94cb..b85758b6 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -257,6 +257,7 @@ typedef struct __attribute__ ((__packed__)) VDInternalBuf {
VDAgentMessage header;
union {
VDAgentMouseState mouse_state;
+ VDAgentGraphicsDeviceInfo graphics_device_info;
}
u;
} VDInternalBuf;
@@ -894,6 +895,65 @@ static RedPipeItem *vdi_port_read_one_msg_from_device(RedCharDevice *self,
return NULL;
}
+void reds_send_device_display_info(RedsState *reds)
+{
+ if (!reds->agent_dev->priv->agent_attached) {
+ return;
+ }
+ g_debug("Sending device display info to the agent:");
+
+ size_t message_size = sizeof(VDAgentGraphicsDeviceInfo);
+ QXLInstance *qxl;
+ FOREACH_QXL_INSTANCE(reds, qxl) {
+ message_size +=
+ (sizeof(VDAgentDeviceDisplayInfo) + strlen(red_qxl_get_device_address(qxl)) + 1) *
+ red_qxl_get_monitors_count(qxl);
+ }
+
+ RedCharDeviceWriteBuffer *char_dev_buf = vdagent_new_write_buffer(reds->agent_dev,
+ VD_AGENT_GRAPHICS_DEVICE_INFO,
+ message_size,
+ true);
+
+ if (!char_dev_buf) {
+ reds->pending_device_display_info_message = true;
+ return;
+ }
+
+ VDInternalBuf *internal_buf = (VDInternalBuf *)char_dev_buf->buf;
+ VDAgentGraphicsDeviceInfo *graphics_device_info = &internal_buf->u.graphics_device_info;
+ graphics_device_info->count = 0;
+
+ VDAgentDeviceDisplayInfo *device_display_info = graphics_device_info->device_info;
+ FOREACH_QXL_INSTANCE(reds, qxl) {
+ for (size_t i = 0; i < red_qxl_get_monitors_count(qxl); ++i) {
+ device_display_info->channel_id = qxl->id;
+ device_display_info->monitor_id = i;
+ device_display_info->device_display_id = red_qxl_get_device_display_ids(qxl)[i];
+
+ strcpy((char*) device_display_info->device_address, red_qxl_get_device_address(qxl));
+
+ device_display_info->device_address_len =
+ strlen((char*) device_display_info->device_address) + 1;
+
+ g_debug(" channel_id: %u monitor_id: %u, device_address: %s, device_display_id: %u",
+ device_display_info->channel_id,
+ device_display_info->monitor_id,
+ device_display_info->device_address,
+ device_display_info->device_display_id);
+
+ device_display_info = (VDAgentDeviceDisplayInfo*) ((char*) device_display_info +
+ sizeof(VDAgentDeviceDisplayInfo) + device_display_info->device_address_len);
+
+ graphics_device_info->count++;
+ }
+ }
+
+ reds->pending_device_display_info_message = false;
+
+ red_char_device_write_buffer_add(RED_CHAR_DEVICE(reds->agent_dev), char_dev_buf);
+}
+
/* after calling this, we unref the message, and the ref is in the instance side */
static void vdi_port_send_msg_to_client(RedCharDevice *self,
RedPipeItem *msg,
@@ -925,6 +985,11 @@ static void vdi_port_on_free_self_token(RedCharDevice *self)
spice_debug("pending mouse event");
reds_handle_agent_mouse_event(reds, inputs_channel_get_mouse_state(reds->inputs_channel));
}
+
+ if (reds->pending_device_display_info_message) {
+ spice_debug("pending device display info message");
+ reds_send_device_display_info(reds);
+ }
}
static void vdi_port_remove_client(RedCharDevice *self,
@@ -1062,6 +1127,8 @@ void reds_on_main_agent_start(RedsState *reds, MainChannelClient *mcc, uint32_t
num_tokens);
}
+ reds_send_device_display_info(reds);
+
agent_msg_filter_config(&reds->agent_dev->priv->write_filter, reds->config->agent_copypaste,
reds->config->agent_file_xfer,
reds_use_client_monitors_config(reds));
diff --git a/server/reds.h b/server/reds.h
index 9f17a5ec..8260ab5c 100644
--- a/server/reds.h
+++ b/server/reds.h
@@ -50,6 +50,7 @@ gboolean reds_config_get_agent_mouse(const RedsState *reds); // used by inputs_c
int reds_has_vdagent(RedsState *reds); // used by inputs channel
bool reds_config_get_playback_compression(RedsState *reds); // used by playback channel
+void reds_send_device_display_info(RedsState *reds);
void reds_handle_agent_mouse_event(RedsState *reds, const VDAgentMouseState *mouse_state); // used by inputs_channel
GArray* reds_get_renderers(RedsState *reds);
--
2.20.1
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