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[client] implemented mouse motion event queue for flow control

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This commit is contained in:
Geoffrey McRae 2017-10-27 03:10:16 +11:00
parent e6a01d5af0
commit a7df6a261e
1 changed files with 48 additions and 0 deletions
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48
client/spice/spice.c
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@ -44,9 +44,16 @@ struct SpiceKeyboard
uint32_t modifiers;
};
#define SPICE_MOUSE_QUEUE_SIZE 32
struct SpiceMouse
{
uint32_t buttonState;
int sentCount;
SpiceMsgcMouseMotion queue[SPICE_MOUSE_QUEUE_SIZE];
int rpos, wpos;
int queueLen;
};
struct Spice
@ -422,6 +429,25 @@ bool spice_on_inputs_channel_read()
case SPICE_MSG_INPUTS_MOUSE_MOTION_ACK:
{
DEBUG_PROTO("SPICE_MSG_INPUTS_MOUSE_MOTION_ACK");
int sent = 0;
while(spice.mouse.queueLen && sent < 4)
{
SpiceMsgcMouseMotion *msg = &spice.mouse.queue[spice.mouse.rpos];
if (!spice_write_msg(channel, SPICE_MSGC_INPUTS_MOUSE_MOTION, msg, sizeof(SpiceMsgcMouseMotion)))
{
DEBUG_ERROR("failed to send post ack");
spice.mouse.sentCount = sent;
return false;
}
if (++spice.mouse.rpos == SPICE_MOUSE_QUEUE_SIZE)
spice.mouse.rpos = 0;
++sent;
--spice.mouse.queueLen;
}
spice.mouse.sentCount = sent;
return true;
}
}
@ -738,11 +764,33 @@ bool spice_mouse_motion(int32_t x, int32_t y)
{
DEBUG_PROTO("x=%d, y=%d", x, y);
if (spice.mouse.sentCount == 4)
{
if (spice.mouse.queueLen == SPICE_MOUSE_QUEUE_SIZE)
{
DEBUG_ERROR("mouse motion ringbuffer full!");
return false;
}
SpiceMsgcMouseMotion *msg =
&spice.mouse.queue[spice.mouse.wpos++];
msg->x = x;
msg->y = y;
msg->button_state = spice.mouse.buttonState;
if (spice.mouse.wpos == SPICE_MOUSE_QUEUE_SIZE)
spice.mouse.wpos = 0;
++spice.mouse.queueLen;
return true;
}
SpiceMsgcMouseMotion msg;
msg.x = x;
msg.y = y;
msg.button_state = spice.mouse.buttonState;
++spice.mouse.sentCount;
return spice_write_msg(&spice.scInputs, SPICE_MSGC_INPUTS_MOUSE_MOTION, &msg, sizeof(msg));
}