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empezada implementación peerdl, cambiar DEFAULT_DIRECTORY_HOSTNAME en NanoFiles

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binlaab
2026-04-27 09:54:27 +02:00
parent b179408874
commit dc00963c08
7 changed files with 195 additions and 59 deletions
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45
es/um/redes/nanoFiles/udp/client/DirectoryConnector.java
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@@ -7,6 +7,7 @@ import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketTimeoutException;
import java.util.Map;
import java.util.Arrays;
import java.util.LinkedHashMap;
import es.um.redes.nanoFiles.tcp.client.NFConnector;
@@ -80,7 +81,7 @@ public class DirectoryConnector {
* datagramas al directorio
*/
directoryAddress = new InetSocketAddress(InetAddress.getByName(hostname), DIRECTORY_PORT);
socket = new DatagramSocket(6767);
socket = new DatagramSocket();
}
/**
@@ -291,18 +292,19 @@ public class DirectoryConnector {
*/
// este trozo hay que cambiarlo porque qué cojones
// encima tiene algo mal
String ip = null;
try {
socket.connect(directoryAddress);
ip = socket.getLocalAddress().getHostAddress();
socket.disconnect();
} catch(Exception e) {}
socket.connect(directoryAddress);
ip = socket.getLocalAddress().getHostAddress();
socket.disconnect();
} catch (Exception e) {}
DirMessage serve = new DirMessage(DirMessageOps.OPERATION_SERVE, NanoFiles.peerNickname, ip, serverPort);
byte[] serveBytes = serve.toString().getBytes();
byte[] response = sendAndReceiveDatagrams(serveBytes);
String respStr = new String(response, 0, response.length);
DirMessage respServe= DirMessage.fromString(respStr);
DirMessage respServe = DirMessage.fromString(respStr);
success = respServe.getOperation().equals(DirMessageOps.OPERATION_SERVE_OK);
if (success) {
@@ -345,9 +347,34 @@ public class DirectoryConnector {
public Map<String, InetSocketAddress[]> searchFilesByHash(String hashSubstring) {
Map<String, InetSocketAddress[]> results = new LinkedHashMap<String, InetSocketAddress[]>();
Map<String, InetSocketAddress> peers = getPeerList();
for (InetSocketAddress addr : peers.values()) {
try {
NFConnector nfc = new NFConnector(addr);
FileInfo[] peerFiles = nfc.getFileList();
// la longitud tiene que ser EXACTAMENTE 1, si es 0 no hay, si es > 1 es ambiguo
// y si resulta que dos peers tienen un mismo subhash sin tener el mismo hash?
// mando que no se ha podido descargar? comparo contra el hash del primero?
FileInfo[] peerFilesFound = FileInfo.lookupHashSubstring(peerFiles, hashSubstring);
for (FileInfo fi : peerFilesFound) {
InetSocketAddress[] peersWithHash = results.getOrDefault(fi.fileHash, null);
if (peersWithHash == null) {
peersWithHash = new InetSocketAddress[1];
peersWithHash[0] = addr;
} else {
peersWithHash = Arrays.copyOf(peersWithHash, peersWithHash.length + 1);
peersWithHash[peersWithHash.length - 1] = addr;
}
results.put(fi.fileHash, peersWithHash);
}
} catch (IOException e) { e.printStackTrace(); }
}
return results;
}