package net.pterodactylus.fcp.quelaton;
import java.io.IOException;
+import java.io.InputStream;
+import java.util.Optional;
+import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Supplier;
+import net.pterodactylus.fcp.AllData;
+import net.pterodactylus.fcp.ClientGet;
import net.pterodactylus.fcp.ClientHello;
import net.pterodactylus.fcp.CloseConnectionDuplicateClientName;
import net.pterodactylus.fcp.FcpConnection;
import net.pterodactylus.fcp.FcpKeyPair;
+import net.pterodactylus.fcp.FcpUtils.TempInputStream;
import net.pterodactylus.fcp.GenerateSSK;
+import net.pterodactylus.fcp.GetFailed;
import net.pterodactylus.fcp.NodeHello;
+import net.pterodactylus.fcp.Priority;
+import net.pterodactylus.fcp.ReturnType;
import net.pterodactylus.fcp.SSKKeypair;
+import com.google.common.io.ByteStreams;
+
/**
* Default {@link FcpClient} implementation.
*
public Future<FcpKeyPair> execute() {
return threadPool.submit(() -> {
connect();
- GenerateSSK generateSSK = new GenerateSSK();
- AtomicReference<FcpKeyPair> keyPair = new AtomicReference<>();
+ Sequence sequence = new Sequence();
FcpReplySequence replySequence = new FcpReplySequence(threadPool, fcpConnection.get());
- replySequence.handle(SSKKeypair.class)
- .with((message) -> keyPair.set(
- new FcpKeyPair(message.getRequestURI(), message.getInsertURI())));
- replySequence.waitFor(() -> keyPair.get() != null);
- replySequence.send(generateSSK).get();
+ replySequence.handle(SSKKeypair.class).with(sequence::handleSSKKeypair);
+ replySequence.waitFor(sequence::isFinished);
+ replySequence.send(new GenerateSSK()).get();
+ return sequence.getKeyPair();
+ });
+ }
+
+ private class Sequence {
+
+ private AtomicReference<FcpKeyPair> keyPair = new AtomicReference<>();
+
+ public void handleSSKKeypair(SSKKeypair sskKeypair) {
+ keyPair.set(new FcpKeyPair(sskKeypair.getRequestURI(), sskKeypair.getInsertURI()));
+ }
+
+ public boolean isFinished() {
+ return keyPair.get() != null;
+ }
+
+ public FcpKeyPair getKeyPair() {
return keyPair.get();
+ }
+
+ }
+
+ }
+
+ @Override
+ public ClientGetCommand clientGet() {
+ return new ClientGetCommandImpl();
+ }
+
+ private class ClientGetCommandImpl implements ClientGetCommand {
+
+ private String identifier;
+ private boolean ignoreDataStore;
+ private boolean dataStoreOnly;
+ private Long maxSize;
+ private Priority priority;
+ private boolean realTime;
+ private boolean global;
+
+ @Override
+ public ClientGetCommand identifier(String identifier) {
+ this.identifier = identifier;
+ return this;
+ }
+
+ @Override
+ public ClientGetCommand ignoreDataStore() {
+ ignoreDataStore = true;
+ return this;
+ }
+
+ @Override
+ public ClientGetCommand dataStoreOnly() {
+ dataStoreOnly = true;
+ return this;
+ }
+
+ @Override
+ public ClientGetCommand maxSize(long maxSize) {
+ this.maxSize = maxSize;
+ return this;
+ }
+
+ @Override
+ public ClientGetCommand priority(Priority priority) {
+ this.priority = priority;
+ return this;
+ }
+
+ @Override
+ public ClientGetCommand realTime() {
+ realTime = true;
+ return this;
+ }
+
+ @Override
+ public ClientGetCommand global() {
+ global = true;
+ return this;
+ }
+
+ @Override
+ public Future<Optional<Data>> uri(String uri) {
+ return threadPool.submit(new Callable<Optional<Data>>() {
+ @Override
+ public Optional<Data> call() throws Exception {
+ DefaultFcpClient.this.connect();
+ ClientGet clientGet = new ClientGet(uri, identifier, ReturnType.direct);
+ if (ignoreDataStore) {
+ clientGet.setIgnoreDataStore(true);
+ }
+ if (dataStoreOnly) {
+ clientGet.setDataStoreOnly(true);
+ }
+ if (maxSize != null) {
+ clientGet.setMaxSize(maxSize);
+ }
+ if (priority != null) {
+ clientGet.setPriority(priority);
+ }
+ if (realTime) {
+ clientGet.setRealTimeFlag(true);
+ }
+ if (global) {
+ clientGet.setGlobal(true);
+ }
+ try (FcpReplySequence replySequence = new FcpReplySequence(threadPool, fcpConnection.get())) {
+ Sequence sequence = new Sequence(identifier);
+ replySequence.handle(AllData.class).with(sequence::allData);
+ replySequence.handle(GetFailed.class).with(sequence::getFailed);
+ replySequence.handleClose().with(sequence::disconnect);
+ replySequence.waitFor(sequence::isFinished);
+ replySequence.send(clientGet).get();
+ return sequence.isSuccessful() ? Optional.of(sequence.getData()) : Optional.empty();
+ }
+ }
});
}
+ private class Sequence {
+
+ private final AtomicBoolean finished = new AtomicBoolean();
+ private final AtomicBoolean failed = new AtomicBoolean();
+
+ private final String identifier;
+
+ private String contentType;
+ private long dataLength;
+ private InputStream payload;
+
+ private Sequence(String identifier) {
+ this.identifier = identifier;
+ }
+
+ public boolean isFinished() {
+ return finished.get() || failed.get();
+ }
+
+ public boolean isSuccessful() {
+ return !failed.get();
+ }
+
+ public Data getData() {
+ return new Data() {
+ @Override
+ public String getMimeType() {
+ synchronized (Sequence.this) {
+ return contentType;
+ }
+ }
+
+ @Override
+ public long size() {
+ synchronized (Sequence.this) {
+ return dataLength;
+ }
+ }
+
+ @Override
+ public InputStream getInputStream() {
+ synchronized (Sequence.this) {
+ return payload;
+ }
+ }
+ };
+ }
+
+ public void allData(AllData allData) {
+ if (allData.getIdentifier().equals(identifier)) {
+ synchronized (this) {
+ contentType = allData.getContentType();
+ dataLength = allData.getDataLength();
+ try {
+ payload = new TempInputStream(allData.getPayloadInputStream(), dataLength);
+ finished.set(true);
+ } catch (IOException e) {
+ // TODO – logging
+ failed.set(true);
+ }
+ }
+ }
+ }
+
+ public void getFailed(GetFailed getFailed) {
+ if (getFailed.getIdentifier().equals(identifier)) {
+ failed.set(true);
+ }
+ }
+
+ public void disconnect(Throwable t) {
+ failed.set(true);
+ }
+
+ }
+
}
}
+
projects / jFCPlib.git / blobdiff