Method _handleTcpEnd

src/network.js:212–227

* Handle TCP end (FIN from remote) from main thread * @private

(msg)

            let written = 0;
            while (written < length) {
                const chunk = this.txChunks[0];
                const count = Math.min(chunk.length - this.txOffset, length - written);
                chunk.copy(result, written, this.txOffset, this.txOffset + count);
                written += count;
                this.txOffset += count;
                if (this.txOffset === chunk.length) {
                    this.txChunks.shift();
                    this.txOffset = 0;
                }
            }
        }
        this.txBytes -= length;

        // Reading from the frame pipe creates room for pending TCP data. Pump
        // all flows here so host sockets resume without waiting for an
        // unrelated ACK or host event.
        if (this.txBytes < NIC_TX_HIGH_WATER) this._pumpTcpFlows();
        return result;
    }