public void sendFilePartsRequest(String peerIP, int peerPort,
FileHash fileHash, FileChunkRequest... partsData) {
try {
JMPeerConnection peer_connection = getPeerConnection(peerIP,
peerPort);
Packet packet = PacketFactory.getPeerRequestFileParts(fileHash,
partsData);
peer_connection.send(packet);
} catch (Throwable cause) {
cause.printStackTrace();
}