You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.5 KiB
43 lines
1.5 KiB
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.ReceiveBuffer = void 0;
|
|
class ReceiveBuffer {
|
|
constructor(size = 4096) {
|
|
this.buffer = Buffer.allocUnsafe(size);
|
|
this.offset = 0;
|
|
this.originalSize = size;
|
|
}
|
|
get length() {
|
|
return this.offset;
|
|
}
|
|
append(data) {
|
|
if (!Buffer.isBuffer(data)) {
|
|
throw new Error('Attempted to append a non-buffer instance to ReceiveBuffer.');
|
|
}
|
|
if (this.offset + data.length >= this.buffer.length) {
|
|
const tmp = this.buffer;
|
|
this.buffer = Buffer.allocUnsafe(Math.max(this.buffer.length + this.originalSize, this.buffer.length + data.length));
|
|
tmp.copy(this.buffer);
|
|
}
|
|
data.copy(this.buffer, this.offset);
|
|
return (this.offset += data.length);
|
|
}
|
|
peek(length) {
|
|
if (length > this.offset) {
|
|
throw new Error('Attempted to read beyond the bounds of the managed internal data.');
|
|
}
|
|
return this.buffer.slice(0, length);
|
|
}
|
|
get(length) {
|
|
if (length > this.offset) {
|
|
throw new Error('Attempted to read beyond the bounds of the managed internal data.');
|
|
}
|
|
const value = Buffer.allocUnsafe(length);
|
|
this.buffer.slice(0, length).copy(value);
|
|
this.buffer.copyWithin(0, length, length + this.offset - length);
|
|
this.offset -= length;
|
|
return value;
|
|
}
|
|
}
|
|
exports.ReceiveBuffer = ReceiveBuffer;
|
|
//# sourceMappingURL=receivebuffer.js.map
|