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Support splitting STOMP messages in WebSocketStompClient

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See gh-31970
This commit is contained in:
injae-kim
2024-01-08 00:45:54 +09:00
committed by rstoyanchev
parent bf014ef18b
commit 76d00d78db
6 changed files with 580 additions and 10 deletions
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56
spring-websocket/src/main/java/org/springframework/web/socket/messaging/WebSocketStompClient.java
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@@ -35,6 +35,7 @@ import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.simp.stomp.BufferingStompDecoder;
import org.springframework.messaging.simp.stomp.ConnectionHandlingStompSession;
import org.springframework.messaging.simp.stomp.SplittingStompEncoder;
import org.springframework.messaging.simp.stomp.StompClientSupport;
import org.springframework.messaging.simp.stomp.StompDecoder;
import org.springframework.messaging.simp.stomp.StompEncoder;
@@ -67,15 +68,23 @@ import org.springframework.web.util.UriComponentsBuilder;
* SockJsClient}.
*
* @author Rossen Stoyanchev
* @author Injae Kim
* @since 4.2
*/
public class WebSocketStompClient extends StompClientSupport implements SmartLifecycle {
private static final Log logger = LogFactory.getLog(WebSocketStompClient.class);
/**
* The default max size for in&outbound STOMP message.
*/
private static final int DEFAULT_MESSAGE_MAX_SIZE = 64 * 1024;
private final WebSocketClient webSocketClient;
private int inboundMessageSizeLimit = 64 * 1024;
private int inboundMessageSizeLimit = DEFAULT_MESSAGE_MAX_SIZE;
private int outboundMessageSizeLimit = DEFAULT_MESSAGE_MAX_SIZE;
private boolean autoStartup = true;
@@ -122,7 +131,7 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
* Since a STOMP message can be received in multiple WebSocket messages,
* buffering may be required and this property determines the maximum buffer
* size per message.
* <p>By default this is set to 64 * 1024 (64K).
* <p>By default this is set to 64 * 1024 (64K), see {@link WebSocketStompClient#DEFAULT_MESSAGE_MAX_SIZE}.
*/
public void setInboundMessageSizeLimit(int inboundMessageSizeLimit) {
this.inboundMessageSizeLimit = inboundMessageSizeLimit;
@@ -135,6 +144,25 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
return this.inboundMessageSizeLimit;
}
/**
* Configure the maximum size allowed for outbound STOMP message.
* If STOMP message's size exceeds {@link WebSocketStompClient#outboundMessageSizeLimit},
* STOMP message is split into multiple frames.
* <p>By default this is set to 64 * 1024 (64K), see {@link WebSocketStompClient#DEFAULT_MESSAGE_MAX_SIZE}.
* @since 6.2
*/
public void setOutboundMessageSizeLimit(int outboundMessageSizeLimit) {
this.outboundMessageSizeLimit = outboundMessageSizeLimit;
}
/**
* Get the configured outbound message buffer size in bytes.
* @since 6.2
*/
public int getOutboundMessageSizeLimit() {
return this.outboundMessageSizeLimit;
}
/**
* Set whether to auto-start the contained WebSocketClient when the Spring
* context has been refreshed.
@@ -373,7 +401,8 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
private final TcpConnectionHandler<byte[]> stompSession;
private final StompWebSocketMessageCodec codec = new StompWebSocketMessageCodec(getInboundMessageSizeLimit());
private final StompWebSocketMessageCodec codec =
new StompWebSocketMessageCodec(getInboundMessageSizeLimit(),getOutboundMessageSizeLimit());
@Nullable
private volatile WebSocketSession session;
@@ -450,7 +479,9 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
try {
WebSocketSession session = this.session;
Assert.state(session != null, "No WebSocketSession available");
session.sendMessage(this.codec.encode(message, session.getClass()));
for (WebSocketMessage<?> webSocketMessage : this.codec.encode(message, session.getClass())) {
session.sendMessage(webSocketMessage);
}
future.complete(null);
}
catch (Throwable ex) {
@@ -561,8 +592,11 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
private final BufferingStompDecoder bufferingDecoder;
public StompWebSocketMessageCodec(int messageSizeLimit) {
this.bufferingDecoder = new BufferingStompDecoder(DECODER, messageSizeLimit);
private final SplittingStompEncoder splittingEncoder;
public StompWebSocketMessageCodec(int inboundMessageSizeLimit, int outboundMessageSizeLimit) {
this.bufferingDecoder = new BufferingStompDecoder(DECODER, inboundMessageSizeLimit);
this.splittingEncoder = new SplittingStompEncoder(ENCODER, outboundMessageSizeLimit);
}
public List<Message<byte[]>> decode(WebSocketMessage<?> webSocketMessage) {
@@ -588,17 +622,21 @@ public class WebSocketStompClient extends StompClientSupport implements SmartLif
return result;
}
public WebSocketMessage<?> encode(Message<byte[]> message, Class<? extends WebSocketSession> sessionType) {
public List<WebSocketMessage<?>> encode(Message<byte[]> message, Class<? extends WebSocketSession> sessionType) {
StompHeaderAccessor accessor = MessageHeaderAccessor.getAccessor(message, StompHeaderAccessor.class);
Assert.notNull(accessor, "No StompHeaderAccessor available");
byte[] payload = message.getPayload();
byte[] bytes = ENCODER.encode(accessor.getMessageHeaders(), payload);
List<byte[]> frames = splittingEncoder.encode(accessor.getMessageHeaders(), payload);
boolean useBinary = (payload.length > 0 &&
!(SockJsSession.class.isAssignableFrom(sessionType)) &&
MimeTypeUtils.APPLICATION_OCTET_STREAM.isCompatibleWith(accessor.getContentType()));
return (useBinary ? new BinaryMessage(bytes) : new TextMessage(bytes));
List<WebSocketMessage<?>> messages = new ArrayList<>();
for (byte[] frame : frames) {
messages.add(useBinary ? new BinaryMessage(frame) : new TextMessage(frame));
}
return messages;
}
}