139 lines
4.3 KiB
Java
139 lines
4.3 KiB
Java
package it.tdlight.tdlight;
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import it.tdlight.tdlib.NativeClient;
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import it.tdlight.tdlib.TdApi.Object;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.locks.ReentrantLock;
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import java.util.concurrent.locks.StampedLock;
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/**
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* Interface for interaction with TDLib.
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*/
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public class Client extends NativeClient implements TelegramClient {
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private long clientId;
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private final ReentrantLock receiveResponsesLock = new ReentrantLock();
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private final ReentrantLock receiveUpdatesLock = new ReentrantLock();
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private final StampedLock executionLock = new StampedLock();
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private volatile Long stampedLockValue;
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/**
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* Creates a new TDLib client.
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*/
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public Client() {
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try {
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Init.start();
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} catch (Throwable throwable) {
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throwable.printStackTrace();
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System.exit(1);
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}
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this.clientId = createNativeClient();
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}
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@Override
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public void send(Request request) {
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if (this.executionLock.isWriteLocked()) {
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throw new IllegalStateException("ClientActor is destroyed");
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}
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nativeClientSend(this.clientId, request.getId(), request.getFunction());
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}
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private final long[][] eventIds = new long[8][];
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private final Object[][] events = new Object[8][];
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@Override
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public List<Response> receive(double timeout, int eventsSize, boolean receiveResponses, boolean receiveUpdates) {
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return Arrays.asList(this.receive(timeout, eventsSize, receiveResponses, receiveUpdates, false));
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}
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private Response[] receive(double timeout, int eventsSize, boolean receiveResponses, boolean receiveUpdates, boolean singleResponse) {
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if (this.executionLock.isWriteLocked()) {
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throw new IllegalStateException("ClientActor is destroyed");
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}
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int group = (singleResponse ? 0b100 : 0b000) | (receiveResponses ? 0b010 : 0b000) | (receiveUpdates ? 0b001 : 0b000);
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if (eventIds[group] == null) {
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eventIds[group] = new long[eventsSize];
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} else {
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Arrays.fill(eventIds[group], 0);
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}
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if (events[group] == null) {
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events[group] = new Object[eventsSize];
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} else {
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Arrays.fill(events[group], null);
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}
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if (eventIds[group].length != eventsSize || events[group].length != eventsSize) {
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throw new IllegalArgumentException("EventSize can't change over time!"
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+ " Previous: " + eventIds[group].length + " Current: " + eventsSize);
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}
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if (receiveResponses && this.receiveResponsesLock.isLocked()) {
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throw new IllegalThreadStateException("Thread: " + Thread.currentThread().getName() + " trying receive incoming responses but shouldn't be called simultaneously from two different threads!");
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}
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if (receiveUpdates && this.receiveUpdatesLock.isLocked()) {
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throw new IllegalThreadStateException("Thread: " + Thread.currentThread().getName() + " trying receive incoming updates but shouldn't be called simultaneously from two different threads!");
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}
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int resultSize;
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if (receiveResponses) this.receiveResponsesLock.lock();
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try {
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if (receiveUpdates) this.receiveUpdatesLock.lock();
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try {
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resultSize = nativeClientReceive(this.clientId, eventIds[group], events[group], timeout, receiveResponses, receiveUpdates);
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} finally {
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if (receiveUpdates) this.receiveUpdatesLock.unlock();
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}
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} finally {
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if (receiveResponses) this.receiveResponsesLock.unlock();
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}
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Response[] responses = new Response[resultSize];
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for (int i = 0; i < resultSize; i++) {
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responses[i] = new Response(eventIds[group][i], events[group][i]);
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}
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return responses;
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}
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@Override
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public Response receive(double timeout, boolean receiveResponses, boolean receiveUpdates) {
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if (this.executionLock.isWriteLocked()) {
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throw new IllegalStateException("ClientActor is destroyed");
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}
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Response[] responses = receive(timeout, 1, receiveResponses, receiveUpdates, true);
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if (responses.length != 0) {
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return responses[0];
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}
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return null;
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}
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@Override
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public Response execute(Request request) {
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if (this.executionLock.isWriteLocked()) {
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throw new IllegalStateException("ClientActor is destroyed");
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}
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Object object = nativeClientExecute(request.getFunction());
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return new Response(0, object);
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}
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@Override
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public void destroyClient() {
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stampedLockValue = this.executionLock.tryWriteLock();
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destroyNativeClient(this.clientId);
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}
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@Override
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public void initializeClient() {
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this.executionLock.tryUnlockWrite();
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stampedLockValue = null;
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this.clientId = createNativeClient();
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}
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}
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