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fix session manager error

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pull/1490/head
gongdewei 3 years ago
parent 6a8c7acd11
commit 62b9e8278b
4 changed files with 38 additions and 16 deletions
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4
core/src/main/java/com/taobao/arthas/core/channel/ChannelRequestHandler.java
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@ -416,7 +416,7 @@ public class ChannelRequestHandler implements ChannelClient.RequestListener {
private void tryCloseOneTimeSession(Session session) {
if (session.get(ONETIME_SESSION_KEY) != null) {
sessionManager.closeSession(session.getSessionId());
sessionManager.removeSession(session.getSessionId());
}
}
@ -554,7 +554,7 @@ public class ChannelRequestHandler implements ChannelClient.RequestListener {
// }
private void processCloseSession(ActionRequest request, Session session) {
sessionManager.closeSession(session.getSessionId());
sessionManager.removeSession(session.getSessionId());
ActionResponse.Builder response = createResponse(request, session, ResponseStatus.SUCCEEDED);
sendResponse(response);
}

2
core/src/main/java/com/taobao/arthas/core/shell/session/SessionManager.java
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@ -15,7 +15,7 @@ public interface SessionManager {
Session getSession(String sessionId);
Session closeSession(String sessionId);
Session removeSession(String sessionId);
void updateAccessTime(Session session);

30
core/src/main/java/com/taobao/arthas/core/shell/session/impl/SessionManagerImpl.java
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@ -4,6 +4,7 @@ import com.alibaba.arthas.deps.org.slf4j.Logger;
import com.alibaba.arthas.deps.org.slf4j.LoggerFactory;
import com.taobao.arthas.core.command.model.MessageModel;
import com.taobao.arthas.core.distribution.ResultConsumer;
import com.taobao.arthas.core.distribution.ResultDistributor;
import com.taobao.arthas.core.distribution.SharingResultDistributor;
import com.taobao.arthas.core.shell.ShellServerOptions;
import com.taobao.arthas.core.shell.session.Session;
@ -13,8 +14,15 @@ import com.taobao.arthas.core.shell.system.JobController;
import com.taobao.arthas.core.shell.system.impl.InternalCommandManager;
import java.lang.instrument.Instrumentation;
import java.util.*;
import java.util.concurrent.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
/**
* Arthas Session Manager
@ -82,7 +90,7 @@ public class SessionManagerImpl implements SessionManager {
job.interrupt();
}
SharingResultDistributor resultDistributor = session.getResultDistributor();
ResultDistributor resultDistributor = session.getResultDistributor();
if (resultDistributor != null) {
resultDistributor.close();
}
@ -105,7 +113,7 @@ public class SessionManagerImpl implements SessionManager {
ArrayList<Session> sessions = new ArrayList<Session>(this.sessions.values());
for (Session session : sessions) {
SharingResultDistributor resultDistributor = session.getResultDistributor();
ResultDistributor resultDistributor = session.getResultDistributor();
if (resultDistributor != null) {
resultDistributor.appendResult(new MessageModel("arthas server is going to shutdown."));
}
@ -159,7 +167,7 @@ public class SessionManagerImpl implements SessionManager {
}
long timeOutInMinutes = sessionTimeoutMillis / 1000 / 60;
String reason = "session is inactive for " + timeOutInMinutes + " min(s).";
SharingResultDistributor resultDistributor = session.getResultDistributor();
ResultDistributor resultDistributor = session.getResultDistributor();
if (resultDistributor != null) {
resultDistributor.appendResult(new MessageModel(reason));
}
@ -172,9 +180,10 @@ public class SessionManagerImpl implements SessionManager {
* Check and remove inactive consumer
*/
public void evictConsumers(Session session) {
SharingResultDistributor distributor = session.getResultDistributor();
if (distributor != null) {
List<ResultConsumer> consumers = distributor.getConsumers();
ResultDistributor distributor = session.getResultDistributor();
if (distributor instanceof SharingResultDistributor) {
SharingResultDistributor sharingResultDistributor = (SharingResultDistributor) distributor;
List<ResultConsumer> consumers = sharingResultDistributor.getConsumers();
//remove inactive consumer from session directly
long now = System.currentTimeMillis();
for (ResultConsumer consumer : consumers) {
@ -184,9 +193,12 @@ public class SessionManagerImpl implements SessionManager {
logger.info("Removing inactive consumer from session, sessionId: {}, consumerId: {}, inactive duration: {}",
session.getSessionId(), consumer.getConsumerId(), inactiveTime);
consumer.appendResult(new MessageModel("consumer is inactive for a while, please refresh the page."));
distributor.removeConsumer(consumer);
sharingResultDistributor.removeConsumer(consumer);
}
}
}
if (distributor != null) {
distributor.close();
}
}

18
core/src/main/java/com/taobao/arthas/core/shell/term/impl/http/api/HttpApiHandler.java
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@ -5,7 +5,12 @@ import com.alibaba.arthas.deps.org.slf4j.LoggerFactory;
import com.alibaba.fastjson.JSON;
import com.taobao.arthas.common.ArthasConstants;
import com.taobao.arthas.common.PidUtils;
import com.taobao.arthas.core.command.model.*;
import com.taobao.arthas.core.command.model.CommandRequestModel;
import com.taobao.arthas.core.command.model.InputStatus;
import com.taobao.arthas.core.command.model.InputStatusModel;
import com.taobao.arthas.core.command.model.MessageModel;
import com.taobao.arthas.core.command.model.ResultModel;
import com.taobao.arthas.core.command.model.WelcomeModel;
import com.taobao.arthas.core.config.Configure;
import com.taobao.arthas.core.distribution.PackingResultDistributor;
import com.taobao.arthas.core.distribution.ResultConsumer;
@ -37,7 +42,12 @@ import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufOutputStream;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http.*;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.util.CharsetUtil;
import io.termd.core.function.Function;
@ -379,7 +389,7 @@ public class HttpApiHandler {
}
private ApiResponse processCloseSessionRequest(ApiRequest apiRequest, Session session) {
sessionManager.closeSession(session.getSessionId());
sessionManager.removeSession(session.getSessionId());
ApiResponse response = new ApiResponse();
response.setState(ApiState.SUCCEEDED);
return response;
@ -473,7 +483,7 @@ public class HttpApiHandler {
return response;
} finally {
if (oneTimeAccess) {
sessionManager.closeSession(session.getSessionId());
sessionManager.removeSession(session.getSessionId());
}
}
}

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