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

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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
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59
client/spice/spice.c
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@ -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);
DEBUG_ERROR("comms failure, too many mouse motion ACKs recieved");
return false;
}
if (++spice.mouse.rpos == SPICE_MOUSE_QUEUE_SIZE)
spice.mouse.rpos = 0;
++sent;
--spice.mouse.queueLen;
}
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));
}