Method writeToNetwork

src/network.js:260–274

(data)

    // Called when VM writes data to the network interface (FD 3)
    // We need to unwrap QEMU framing (4-byte len) -> Frame
    writeToNetwork(data) {
        this.rxBuffer = Buffer.concat([this.rxBuffer, data]);
        
        while (this.rxBuffer.length >= 4) {
            const frameLen = this.rxBuffer.readUInt32BE(0);
            if (this.rxBuffer.length < 4 + frameLen) {
                break; // Wait for more data
            }
            
            const frame = this.rxBuffer.subarray(4, 4 + frameLen);
            this.receive(frame); // Process the frame
            
            this.rxBuffer = this.rxBuffer.subarray(4 + frameLen);
        }
    }

    // Called when VM wants to read data from the network interface
    readFromNetwork(maxLen) {