Move request throttle for Chaturbate to ChaturbateHttpClient

This commit is contained in:
0xb00bface 2021-01-01 13:23:32 +01:00
parent 602c81d18d
commit dbb44e1374
2 changed files with 63 additions and 52 deletions

View File

@ -5,6 +5,7 @@ import static ctbrec.io.HttpConstants.*;
import java.io.IOException;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.concurrent.Semaphore;
import org.jsoup.nodes.Element;
import org.slf4j.Logger;
@ -24,6 +25,9 @@ public class ChaturbateHttpClient extends HttpClient {
private static final Logger LOG = LoggerFactory.getLogger(ChaturbateHttpClient.class);
protected String token;
private static Semaphore requestThrottle = new Semaphore(2, true);
private static long lastRequest = 0;
public ChaturbateHttpClient() {
super("chaturbate");
}
@ -125,8 +129,40 @@ public class ChaturbateHttpClient extends HttpClient {
@Override
public Response execute(Request req) throws IOException {
boolean throttled = req.url().host().contains("chaturbate.com");
return executeThrottled(req, throttled);
}
private Response executeThrottled(Request req, boolean throttle) throws IOException {
try {
if (throttle) {
acquireSlot();
}
Response resp = super.execute(req);
extractCsrfToken(req);
return resp;
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new IOException("INterrupted during request", e);
} finally {
if (throttle) {
releaseSlot();
}
}
}
private static void acquireSlot() throws InterruptedException {
long pauseBetweenRequests = 500;
requestThrottle.acquire();
long now = System.currentTimeMillis();
long millisSinceLastRequest = now - lastRequest;
if (millisSinceLastRequest < pauseBetweenRequests) {
Thread.sleep(pauseBetweenRequests - millisSinceLastRequest);
}
}
private static void releaseSlot() {
lastRequest = System.currentTimeMillis();
requestThrottle.release();
}
}

View File

@ -13,7 +13,6 @@ import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Semaphore;
import org.json.JSONObject;
import org.slf4j.Logger;
@ -47,8 +46,6 @@ public class ChaturbateModel extends AbstractModel { // NOSONAR
private int[] resolution = new int[2];
private transient StreamInfo streamInfo;
private long streamInfoTimestamp = 0;
private static Semaphore requestThrottle = new Semaphore(2, true);
private static long lastRequest = 0;
/**
* This constructor exists only for deserialization. Please don't call it directly
@ -270,8 +267,6 @@ public class ChaturbateModel extends AbstractModel { // NOSONAR
return streamInfo;
}
acquireSlot();
try {
RequestBody body = new FormBody.Builder()
.add("room_slug", getName())
.add("bandwidth", "high")
@ -297,9 +292,6 @@ public class ChaturbateModel extends AbstractModel { // NOSONAR
throw new HttpException(code, message);
}
}
} finally {
releaseSlot();
}
}
private int[] getResolution() throws IOException, ParseException, PlaylistException, InterruptedException {
@ -362,21 +354,4 @@ public class ChaturbateModel extends AbstractModel { // NOSONAR
}
}
}
private void acquireSlot() throws InterruptedException {
//LOG.debug("Acquire: {}", requestThrottle.availablePermits());
requestThrottle.acquire();
long now = System.currentTimeMillis();
long millisSinceLastRequest = now - lastRequest;
if(millisSinceLastRequest < 500) {
//LOG.debug("Sleeping: {}", (500-millisSinceLastRequest));
Thread.sleep(500 - millisSinceLastRequest);
}
}
private void releaseSlot() {
lastRequest = System.currentTimeMillis();
requestThrottle.release();
//LOG.debug("Release: {}", requestThrottle.availablePermits());
}
}