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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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Remove Websock implicit read length 
Callers should be properly aware of how much data they need, as they
need to call rQwait() first to ensure the data is present.
  • Loading branch information
@CendioOssman
CendioOssman committed Jun 4, 2023
commit e01dd27be49940e3a49e6cc90bd6ae7d0d1d7abd
4 changes: 0 additions & 4 deletions core/websock.js
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Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,6 @@ export default class Websock {
}

rQshiftStr(len) {
if (typeof(len) === 'undefined') { len = this._rQlen - this._rQi; }
let str = "";
// Handle large arrays in steps to avoid long strings on the stack
for (let i = 0; i < len; i += 4096) {
Expand All @@ -136,20 +135,17 @@ export default class Websock {
}

rQshiftBytes(len) {
if (typeof(len) === 'undefined') { len = this._rQlen - this._rQi; }
this._rQi += len;
return new Uint8Array(this._rQ.buffer, this._rQi - len, len);
}

rQshiftTo(target, len) {
if (len === undefined) { len = this._rQlen - this._rQi; }
// TODO: make this just use set with views when using a ArrayBuffer to store the rQ
target.set(new Uint8Array(this._rQ.buffer, this._rQi, len));
this._rQi += len;
}

rQpeekBytes(len) {
if (typeof(len) === 'undefined') { len = this._rQlen - this._rQi; }
return new Uint8Array(this._rQ.buffer, this._rQi, len);
}

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18 changes: 1 addition & 17 deletions tests/test.websock.js
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Original file line number Diff line number Diff line change
Expand Up @@ -67,11 +67,6 @@ describe('Websock', function () {
expect(sock._rQlen - sock._rQi).to.equal(befLen - 3);
});

it('should shift the entire rest of the queue off if no length is given', function () {
sock.rQshiftStr();
expect(sock._rQlen - sock._rQi).to.equal(0);
});

it('should be able to handle very large strings', function () {
const BIG_LEN = 500000;
const RQ_BIG = new Uint8Array(BIG_LEN);
Expand All @@ -90,7 +85,7 @@ describe('Websock', function () {
sock._rQ.set(RQ_BIG);
sock._rQlen = RQ_BIG.length;

const shifted = sock.rQshiftStr();
const shifted = sock.rQshiftStr(BIG_LEN);

expect(shifted).to.be.equal(expected);
expect(sock._rQlen - sock._rQi).to.equal(0);
Expand All @@ -106,11 +101,6 @@ describe('Websock', function () {
expect(shifted).to.array.equal(new Uint8Array(RQ_TEMPLATE.buffer, befRQi, 3));
expect(sock._rQlen - sock._rQi).to.equal(befLen - 3);
});

it('should shift the entire rest of the queue off if no length is given', function () {
sock.rQshiftBytes();
expect(sock._rQlen - sock._rQi).to.equal(0);
});
});

describe('rQpeekBytes', function () {
Expand All @@ -130,12 +120,6 @@ describe('Websock', function () {
expect(sl).to.array.equal(new Uint8Array(RQ_TEMPLATE.buffer, 0, 2));
});

it('should use the rest of the receive queue if no end is given', function () {
const sl = sock.rQpeekBytes();
expect(sl).to.have.length(RQ_TEMPLATE.length);
expect(sl).to.array.equal(RQ_TEMPLATE);
});

it('should take the current rQi in to account', function () {
sock._rQi = 1;
expect(sock.rQpeekBytes(2)).to.array.equal(new Uint8Array(RQ_TEMPLATE.buffer, 1, 2));
Expand Down