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ignore switch connection request within 10s, 2 per min

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This commit is contained in:
woodser 2024-07-20 14:06:40 -04:00
parent eb8025f6e8
commit fc3407cd50
1 changed files with 23 additions and 5 deletions
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28
core/src/main/java/haveno/core/api/XmrConnectionService.java
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@ -106,10 +106,12 @@ public final class XmrConnectionService {
private List<MoneroConnectionManagerListener> listeners = new ArrayList<>();
// connection switching
private static final int EXCLUDE_CONNECTION_SECONDS = 300;
private static final int MAX_SWITCH_REQUESTS_PER_MINUTE = 3;
private Set<MoneroRpcConnection> excludedConnections = new HashSet<>();
private static final int EXCLUDE_CONNECTION_SECONDS = 180;
private static final int MAX_SWITCH_REQUESTS_PER_MINUTE = 2;
private static final int SKIP_SWITCH_WITHIN_MS = 10000;
private int numRequestsLastMinute;
private long lastSwitchTimestamp;
private Set<MoneroRpcConnection> excludedConnections = new HashSet<>();
@Inject
public XmrConnectionService(P2PService p2PService,
@ -270,15 +272,28 @@ public final class XmrConnectionService {
if (bestConnection != null) setConnection(bestConnection);
}
public boolean requestSwitchToNextBestConnection() {
public synchronized boolean requestSwitchToNextBestConnection() {
log.warn("Request made to switch to next best monerod, current monerod={}", getConnection() == null ? null : getConnection().getUri());
// skip if shut down started
if (isShutDownStarted) {
log.warn("Skipping switch to next best Monero connection because shut down has started");
return false;
}
// skip if connection is fixed
if (isFixedConnection() || !connectionManager.getAutoSwitch()) {
log.info("Skipping switch to next best Monero connection because connection is fixed or auto switch is disabled");
return false;
}
// skip if last switch was too recent
boolean skipSwitch = System.currentTimeMillis() - lastSwitchTimestamp < SKIP_SWITCH_WITHIN_MS;
if (skipSwitch) {
log.warn("Skipping switch to next best Monero connection because last switch was less than {} seconds ago", SKIP_SWITCH_WITHIN_MS / 1000);
return false;
}
// skip if too many requests in the last minute
if (numRequestsLastMinute > MAX_SWITCH_REQUESTS_PER_MINUTE) {
log.warn("Skipping switch to next best Monero connection because more than {} requests were made in the last minute", MAX_SWITCH_REQUESTS_PER_MINUTE);
@ -301,11 +316,14 @@ public final class XmrConnectionService {
if (currentConnection != null) excludedConnections.remove(currentConnection);
}, EXCLUDE_CONNECTION_SECONDS);
// switch to best connection
// return if no connection to switch to
if (bestConnection == null) {
log.warn("No connection to switch to");
return false;
}
// switch to best connection
lastSwitchTimestamp = System.currentTimeMillis();
setConnection(bestConnection);
return true;
}