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Websock API cleanup #1782

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merged 18 commits into from
Jun 30, 2023
Merged

Websock API cleanup #1782

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87143b3
Reduce kept state in JPEG decoder
CendioOssman May 15, 2023
ae9b042
Change rQslice() to rQpeekBytes()
CendioOssman May 11, 2023
fb3c8f6
Switch Display.flush() to use a promise
CendioOssman May 11, 2023
0180bc8
Stop direct access to socket buffer
CendioOssman May 11, 2023
55ffe8f
Stop exposing Websock queue length
CendioOssman May 14, 2023
e01dd27
Remove Websock implicit read length
CendioOssman May 14, 2023
aaa4eb8
Use proper socket helpers for FBU header
CendioOssman Jun 4, 2023
d0203a5
Always return copy of data from socket
CendioOssman May 16, 2023
0ccc679
Return unsigned values from rQshift32()
CendioOssman Jun 4, 2023
12d2e78
Properly decode ExtendedDesktopSize fields
CendioOssman Jun 4, 2023
45cedea
Don't send SetDesktopSize too early
CendioOssman Jun 4, 2023
2a7db6f
Make ExtendedDesktopSize tests more realistic
CendioOssman Jun 4, 2023
b298bf9
Don't split large WebSocket data in tests
CendioOssman Jun 4, 2023
b146de6
Avoid internal variables in recv queue tests
CendioOssman Jun 4, 2023
3fc0cb0
Remove Base64 WebSocket remnants
CendioOssman May 15, 2023
7356d4e
Move WebSocket queue index reset to receive
CendioOssman May 21, 2023
f8b65f9
Add Websock send queue helpers
CendioOssman May 28, 2023
ccef89f
Implicitly flush Websock if needed
CendioOssman May 30, 2023
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Move WebSocket queue index reset to receive 
It's more robust to do this just before we need the space, rather than
assume when the queue will be read and adjust things right after.
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@CendioOssman
CendioOssman committed Jun 4, 2023
commit 7356d4e60b689fc098b55f02ae3d7688e166194f
12 changes: 6 additions & 6 deletions core/websock.js
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Original file line number Diff line number Diff line change
Expand Up @@ -308,6 +308,12 @@ export default class Websock {

// push arraybuffer values onto the end of the receive que
_recvMessage(e) {
if (this._rQlen == this._rQi) {
// All data has now been processed, this means we
// can reset the receive queue.
this._rQlen = 0;
this._rQi = 0;
}
const u8 = new Uint8Array(e.data);
if (u8.length > this._rQbufferSize - this._rQlen) {
this._expandCompactRQ(u8.length);
Expand All @@ -317,12 +323,6 @@ export default class Websock {

if (this._rQlen - this._rQi > 0) {
this._eventHandlers.message();
if (this._rQlen == this._rQi) {
// All data has now been processed, this means we
// can reset the receive queue.
this._rQlen = 0;
this._rQi = 0;
}
} else {
Log.Debug("Ignoring empty message");
}
Expand Down
11 changes: 5 additions & 6 deletions tests/test.websock.js
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Expand Up @@ -418,14 +418,13 @@ describe('Websock', function () {
expect(sock._eventHandlers.message).not.to.have.been.called;
});

it('should compact the receive queue when a message handler empties it', function () {
sock._eventHandlers.message = () => { sock._rQi = sock._rQlen; };
it('should compact the receive queue when fully read', function () {
sock._rQ = new Uint8Array([0, 1, 2, 3, 4, 5, 0, 0, 0, 0]);
sock._rQlen = 6;
sock._rQi = 6;
const msg = { data: new Uint8Array([1, 2, 3]).buffer };
sock._recvMessage(msg);
expect(sock._rQlen).to.equal(0);
expect(sock._rQlen).to.equal(3);
expect(sock._rQi).to.equal(0);
});

Expand Down Expand Up @@ -455,13 +454,13 @@ describe('Websock', function () {
it('should automatically resize the receive queue if the incoming message is larger than 1/8th of the buffer and we reach the end of the buffer', function () {
sock._rQ = new Uint8Array(20);
sock._rQlen = 16;
sock._rQi = 16;
sock._rQi = 15;
sock._rQbufferSize = 20;
const msg = { data: new Uint8Array(6).buffer };
sock._recvMessage(msg);
expect(sock._rQlen).to.equal(6);
expect(sock._rQlen).to.equal(7);
expect(sock._rQi).to.equal(0);
expect(sock._rQ.length).to.equal(48);
expect(sock._rQ.length).to.equal(56);
});
});
});