Method read

examples/io/tcp/tlssocket/tlssocket.js:70–117

(count)

		this.#doRead = undefined;
	}
	read(count) {
		const data = this.#data;
		if (!data)
			return;

		let result;
		if (this.#format) {
			if (undefined !== count) {
				const available = data.byteLength - data.position;
				if ("object" === typeof count) {
					result = count.byteLength;
					if (result > available)
						result = available;

					const buffer = ArrayBuffer.isView(count) ? new Uint8Array(count.buffer, count.byteOffset, result) : new Uint8Array(count.buffer);
					buffer.set(data.subarray(data.position, data.position + result)); 
					data.position += result;
				}
				else {
					if (count > available)
						throw new Error("invalid")
					result = data.slice(data.position, data.position + count).buffer;
					data.position += count;
				}
				if (data.position === data.byteLength)
					this.#data = undefined;
			}
			else {	// could optimize when entire buffer is requested
				result = data.slice(data.position, data.position + data.byteLength).buffer;
				this.#data = undefined;
			}
		}
		else {
			result = data[data.position++];
			if (data.position === data.byteLength)
				this.#data = undefined;
		}

		if (!this.#data && this.#socket.readable) {
			this.#doRead ??= Timer.set(() => {
				this.#doRead = undefined;
				if (this.#socket.readable)
					this.#onReadable(this.#socket.readable);
			});
		}

		return result;
	}
	write(buffer, options) {
		if (buffer instanceof DataView)
			buffer = new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);