Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2024-09-20 09:21:33 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[client] spice: remove useless mouse queue, this is not needed

Browse Source 
When this was first developed the official spice client was used as an example refrence, however upon inspecting the source of spice-server it has been determined that there is no server side queueing going on, and acks are simply sent after every 4 to reduce bandwidth.
This commit is contained in:
Geoffrey McRae 2019-02-19 14:50:30 +11:00
parent 2567447b24
commit 769edba1a5
1 changed files with 6 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
client/spice/spice.c
View File

@ -73,17 +73,12 @@ struct SpiceKeyboard
uint32_t modifiers;
};
#define SPICE_MOUSE_QUEUE_SIZE 64
struct SpiceMouse
{
uint32_t buttonState;
int sentCount;
SpiceMsgcMouseMotion queue[SPICE_MOUSE_QUEUE_SIZE];
int rpos, wpos;
int queueLen;
LG_Lock lock;
};
union SpiceAddr
@ -158,8 +153,6 @@ bool spice_connect(const char * host, const unsigned short port, const char * pa
DEBUG_INFO("Remote: %s:%u", host, port);
}
LG_LOCK_INIT(spice.mouse.lock);
spice.channelID = 0;
if (!spice_connect_channel(&spice.scMain))
{
@ -177,8 +170,6 @@ void spice_disconnect()
spice_disconnect_channel(&spice.scMain );
spice_disconnect_channel(&spice.scInputs);
LG_LOCK_FREE(spice.mouse.lock);
spice.sessionID = 0;
}
@ -484,29 +475,12 @@ bool spice_on_inputs_channel_read()
case SPICE_MSG_INPUTS_MOUSE_MOTION_ACK:
{
DEBUG_PROTO("SPICE_MSG_INPUTS_MOUSE_MOTION_ACK");
int sent = 0;
LG_LOCK(spice.mouse.lock);
while(spice.mouse.queueLen && sent < 4)
const int count = __sync_add_and_fetch(&spice.mouse.sentCount, SPICE_INPUT_MOTION_ACK_BUNCH);
if (count < 0)
{
SpiceMsgcMouseMotion *msg = &spice.mouse.queue[spice.mouse.rpos];
msg->button_state = spice.mouse.buttonState;
if (!spice_write_msg(channel, SPICE_MSGC_INPUTS_MOUSE_MOTION, msg, sizeof(SpiceMsgcMouseMotion)))
{
DEBUG_ERROR("failed to send post ack");
spice.mouse.sentCount = sent;
LG_UNLOCK(spice.mouse.lock);
return false;
}
if (++spice.mouse.rpos == SPICE_MOUSE_QUEUE_SIZE)
spice.mouse.rpos = 0;
++sent;
--spice.mouse.queueLen;
DEBUG_ERROR("comms failure, too many mouse motion ACKs recieved");
return false;
}
spice.mouse.sentCount = sent;
LG_UNLOCK(spice.mouse.lock);
return true;
}
}
@ -853,6 +827,7 @@ bool spice_mouse_position(uint32_t x, uint32_t y)
msg.button_state = spice.mouse.buttonState;
msg.display_id = 0;
__sync_fetch_and_add(&spice.mouse.sentCount, 1);
return spice_write_msg(&spice.scInputs, SPICE_MSGC_INPUTS_MOUSE_POSITION, &msg, sizeof(msg));
}
@ -867,36 +842,12 @@ bool spice_mouse_motion(int32_t x, int32_t y)
return false;
}
LG_LOCK(spice.mouse.lock);
if (spice.mouse.sentCount == 4)
{
if (spice.mouse.queueLen == SPICE_MOUSE_QUEUE_SIZE)
{
DEBUG_ERROR("mouse motion ringbuffer full!");
LG_UNLOCK(spice.mouse.lock);
return false;
}
SpiceMsgcMouseMotion *msg =
&spice.mouse.queue[spice.mouse.wpos++];
msg->x = x;
msg->y = y;
if (spice.mouse.wpos == SPICE_MOUSE_QUEUE_SIZE)
spice.mouse.wpos = 0;
++spice.mouse.queueLen;
LG_UNLOCK(spice.mouse.lock);
return true;
}
SpiceMsgcMouseMotion msg;
msg.x = x;
msg.y = y;
msg.button_state = spice.mouse.buttonState;
++spice.mouse.sentCount;
LG_UNLOCK(spice.mouse.lock);
__sync_fetch_and_add(&spice.mouse.sentCount, 1);
return spice_write_msg(&spice.scInputs, SPICE_MSGC_INPUTS_MOUSE_MOTION, &msg, sizeof(msg));
}