/**
* Called with a parameter "da" already verified and validated as new and possibly signed
*
* @param da
* @param detected_sa
* @param db
* @param storeNAT
* @return
* @throws P2PDDSQLException
*/
private static DirectoryAnnouncement_Answer _monitored_handleAnnouncement(
DirectoryAnnouncement da,
Address detected_sa,
DBInterface db,
boolean storeNAT,
boolean TCP_not_UDP)
throws P2PDDSQLException {
if (DEBUG)
System.out.println("DirectoryServer: _monitored_handleAnnouncement: Got announcement: " + da);
if (da.address._addresses == null) {
if (DEBUG)
System.out.println(
"DirectoryServer: _monitored_handleAnnouncement: Got empty announcement: "
+ da
+ " detected="
+ detected_sa);
}
String globalID = da.getGID();
String globalIDhash = da.getGIDH();
String instance = da.instance;
// only use old NAT is current message is TCP
if (TCP_not_UDP) {
D_DirectoryEntry old_entry = DirectoryServerCache.getEntry(globalID, globalIDhash, instance);
if (old_entry != null) {
Address old_detected_NAT = old_entry.getNATAddress();
if (detected_sa == null) detected_sa = old_detected_NAT;
else {
if (old_detected_NAT != null) {
if (Address.sameDomain(detected_sa, old_detected_NAT)) {
detected_sa = old_detected_NAT;
} else {
if (DEBUG)
System.out.println(
"DirectoryServer: _monitored_handleAnnouncement: diff NATS: n="
+ detected_sa
+ " o="
+ old_detected_NAT);
}
}
}
}
}
if (detected_sa != null)
da.address._addresses = prependAddress(da.address._addresses, detected_sa);
DirectoryServerCache.loadAndSetEntry(da, TCP_not_UDP);
if (DEBUG)
System.out.println(
"DirectoryServer: _monitored_handleAnnouncement: loaded="
+ DirectoryServerCache.getEntry(globalID, globalIDhash, instance));
// byte[] answer =
return new DirectoryAnnouncement_Answer(Util.getString(detected_sa));
// if (DEBUG) out.println("DS:_monitored_handleAnnouncement: sending answer:
// "+Util.byteToHexDump(answer));
// return answer;
}
public void _run() {
// this.setName("Directory Server");
// ThreadsAccounting.registerThread();
try {
DirectoryServerCache.startSaverThread();
__run();
} catch (Exception e) {
e.printStackTrace();
}
DirectoryServerCache.stopSaverThread();
// ThreadsAccounting.unregisterThread();
}
/**
* get it from cache
*
* @param da
* @return
*/
private static String getGlobalPeerID(DirectoryAnnouncement da) {
if (da.getGID() != null) return da.getGID();
D_DirectoryEntry e = DirectoryServerCache.getEntry(da.getGID(), da.getGIDH());
return e.globalID;
}
public void __run(Socket client) {
try {
client.setSoTimeout(DirectoryServer.SOCKET_READ_TIMEOUT);
// out.println("DirServ: Accepted... from: "+client.getRemoteSocketAddress());
InetSocketAddress risa = null;
try {
// InetAddress risa = ((InetSocketAddress) client.getRemoteSocketAddress()).getAddress();
risa = (InetSocketAddress) client.getRemoteSocketAddress();
} catch (Exception e) {
e.printStackTrace();
}
byte buffer[] = new byte[DirectoryServer.MAX_DR];
int peek = client.getInputStream().read(buffer);
if (peek < 0) {
out.println("DirServTCP: got no bytes from: " + risa);
return;
} else {
out.println("DirServTCP: __run got bytes from: " + risa);
}
// out.println("DirServ: Got ASN1 dump: "+Util.byteToHexDump(buffer,peek));
Decoder test = new Decoder(buffer, 0, peek);
// out.println("DirServTCP: __run got decoder: "+test);
out.println(
"DirServTCP: __run: Decoded ASN1: class="
+ test.typeClass()
+ " val="
+ test.tagVal()
+ " blen="
+ buffer.length);
DirMessage m; // recording msgs
if (test.typeClass() == Encoder.CLASS_APPLICATION
&& test.tagVal() == DirectoryAnnouncement.TAG) {
// out.println("DirServ: Detected directory announcement");
InetSocketAddress isa = (InetSocketAddress) client.getRemoteSocketAddress();
DirectoryAnnouncement da = new DirectoryAnnouncement(buffer, peek, client.getInputStream());
out.println("DirServTCP: got announcement: " + da + "\n from: " + isa);
// here should first get the old detected address (probably from UDP) and keep it if has
// same IP
// this stores the message in the announcement_storage for this GID, and the GID - IP
// relation in its hashtable
DirectoryServer.recordAnnouncementMessage(
isa, da, null, DirMessage.TCP, DirMessage.ANNOUNCEMENT);
// creates an address object from the socket and reported udp port
Address detected_sa = DirectoryServer.detectUDP_Address(isa, da.address.udp_port);
out.println("DirServTCP: got announcement: detected = " + detected_sa);
// Address detected_sa = new Address(_detected_sa);
detected_sa = DirectoryServer.addr_NAT_detection(da, detected_sa);
out.println("DirServTCP: got announcement: detected tuned = " + detected_sa);
if (da.address.udp_port <= 0) detected_sa = null;
boolean storeNAT;
boolean TCP;
DirectoryAnnouncement_Answer daa =
DirectoryServer.handleAnnouncement(
da, detected_sa, DirectoryServer.db_dir, storeNAT = false, TCP = true);
byte[] answer = new byte[0];
if (daa != null) answer = daa.encode();
// byte[] answer = new D_DAAnswer(detected_sa).encode();
client.getOutputStream().write(answer);
DirectoryServer.recordAnnouncementMessage(
isa, da, daa, DirMessage.TCP, DirMessage.ANN_ANSWER);
} else {
// boolean DEBUG = true;
if (DEBUG) out.println("DSTCP: Potential directory request");
// handling terms here
DirectoryRequest dr = new DirectoryRequest(buffer, peek, client.getInputStream());
if (dr.empty()) {
out.println("DirServTCP:__run: potential message detected empty = " + risa + " dr=" + dr);
return;
}
// boolean acceptedTerms = areTermsAccepted(dr);
InetSocketAddress isa = (InetSocketAddress) client.getRemoteSocketAddress();
if (DEBUG) out.println("Received directory request: " + dr);
DirectoryServer.recordRequestMessage(isa, dr, null, DirMessage.TCP, DirMessage.REQUEST);
if (DEBUG)
out.println(
"DirServ: Looking for: "
+ D_Peer.getGIDHashFromGID(dr.globalID)
+ "\n by "
+ D_Peer.getGIDHashFromGID(
dr.initiator_globalID)); // +"\n with source udp="+dr.UDP_port);
String globalID = dr.globalID; // looking for peer GID
String globalIDhash = dr.globalIDhash; // looking for peer GID hash
// de has the look-for-peer and all instances stored in the db
D_DirectoryEntry de = DirectoryServerCache.getEntry(globalID, globalIDhash);
if (DEBUG) out.println("DirServ: From cache got: " + de);
ASNObj da = DirectoryServer.getDA(de, dr, dr.version);
if ((da == null)) // || (da.date == null))
{
System.out.println(
"DirectoryServer:__run: abandon: ?why da=" + da + "\n\tde=" + de + "\n\tdr=" + dr);
return;
}
DirectoryServer.recordRequestMessage(
isa, dr, da, DirMessage.TCP, DirMessage.REQUEST_ANSWER);
byte msg[] = da.encode();
if (DEBUG) {
Decoder dec = new Decoder(msg);
DirectoryAnswerMultipleIdentities dami = new DirectoryAnswerMultipleIdentities(dec);
System.out.println("DirectoryServer:_run:encode " + da + "\nto " + dami);
}
// out.println("answer: "+Util.byteToHexDump(msg, " ")+"\n\tI.e.: "+da);
/*
if(_DEBUG&&(da.addresses.size()>0)){
out.println("DirServ: *******");
out.println("DirServ: Aanswer: "+client.getRemoteSocketAddress()+" <- "+da.toString());
}
*/
client.getOutputStream().write(msg);
}
client.close();
} catch (SocketException e) {
out.println("server: " + e);
return;
} catch (Exception e) {
e.printStackTrace();
return;
}
}
