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Merge branch 'tor-state-enabling-when-zero-onion-router-connections' into 'master'

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Fix OR connection counts, set Tor status to ENABLING when not connected to any ORs

See merge request briar/briar!1646
This commit is contained in:
Torsten Grote
2022-05-20 16:54:34 +00:00
parent aa759a636e f387c3801b
commit 670cc34b12
1 changed files with 12 additions and 64 deletions
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76
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java
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@@ -746,18 +746,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
public void orConnStatus(String status, String orName) {
if (LOG.isLoggable(INFO)) LOG.info("OR connection " + status);
//noinspection IfCanBeSwitch
if (status.equals("LAUNCHED")) state.onOrConnectionLaunched();
else if (status.equals("FAILED")) state.onOrConnectionFailed();
else if (status.equals("CONNECTED")) state.onOrConnectionConnected();
if (status.equals("CONNECTED")) state.onOrConnectionConnected();
else if (status.equals("CLOSED")) state.onOrConnectionClosed();
if ((status.equals("FAILED") || status.equals("CLOSED")) &&
state.getNumOrConnections() == 0) {
// Check whether we've lost connectivity
updateConnectionStatus(networkManager.getNetworkStatus(),
batteryManager.isCharging());
}
}
@Override
@@ -771,9 +761,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
@Override
public void message(String severity, String msg) {
if (LOG.isLoggable(INFO)) LOG.info(severity + " " + msg);
if (msg.startsWith("Switching to guard context")) {
state.onSwitchingGuardContext();
}
}
@Override
@@ -855,11 +842,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
if (s.getNamespace().equals(ID.getString())) {
LOG.info("Tor settings updated");
settings = s.getSettings();
// Works around a bug introduced in Tor 0.3.4.8.
// https://trac.torproject.org/projects/tor/ticket/28027
// Could be replaced with callback.transportDisabled()
// when fixed.
disableNetwork();
updateConnectionStatus(networkManager.getNetworkStatus(),
batteryManager.isCharging());
}
@@ -872,16 +854,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
}
}
private void disableNetwork() {
connectionStatusExecutor.execute(() -> {
try {
if (state.isTorRunning()) enableNetwork(false);
} catch (IOException ex) {
logException(LOG, WARNING, ex);
}
});
}
private void updateConnectionStatus(NetworkStatus status,
boolean charging) {
connectionStatusExecutor.execute(() -> {
@@ -1007,13 +979,14 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
private ServerSocket serverSocket = null;
@GuardedBy("this")
private int orConnectionsPending = 0, orConnectionsConnected = 0;
private int orConnectionsConnected = 0;
private synchronized void setStarted() {
started = true;
callback.pluginStateChanged(getState());
}
@SuppressWarnings("BooleanMethodIsAlwaysInverted")
private synchronized boolean isTorRunning() {
return started && !stopped;
}
@@ -1071,63 +1044,38 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
if (reasonsDisabled != 0) return DISABLED;
if (!networkInitialised) return ENABLING;
if (!networkEnabled) return INACTIVE;
return bootstrapped && circuitBuilt ? ACTIVE : ENABLING;
return bootstrapped && circuitBuilt && orConnectionsConnected > 0
? ACTIVE : ENABLING;
}
private synchronized int getReasonsDisabled() {
return getState() == DISABLED ? reasonsDisabled : 0;
}
private synchronized void onOrConnectionLaunched() {
orConnectionsPending++;
logOrConnections();
}
private synchronized void onOrConnectionFailed() {
orConnectionsPending--;
if (orConnectionsPending < 0) {
LOG.warning("Count was zero before connection failed");
orConnectionsPending = 0;
}
logOrConnections();
}
private synchronized void onOrConnectionConnected() {
orConnectionsPending--;
if (orConnectionsPending < 0) {
LOG.warning("Count was zero before connection connected");
orConnectionsPending = 0;
}
int oldConnected = orConnectionsConnected;
orConnectionsConnected++;
logOrConnections();
if (oldConnected == 0) callback.pluginStateChanged(getState());
}
private synchronized void onOrConnectionClosed() {
int oldConnected = orConnectionsConnected;
orConnectionsConnected--;
if (orConnectionsConnected < 0) {
LOG.warning("Count was zero before connection closed");
orConnectionsConnected = 0;
}
logOrConnections();
}
private synchronized void onSwitchingGuardContext() {
// Tor doesn't seem to report events for connections belonging to
// the old guard context, so we have to reset the counters
orConnectionsPending = 0;
orConnectionsConnected = 0;
logOrConnections();
}
private synchronized int getNumOrConnections() {
return orConnectionsPending + orConnectionsConnected;
if (orConnectionsConnected == 0 && oldConnected != 0) {
callback.pluginStateChanged(getState());
}
}
@GuardedBy("this")
private void logOrConnections() {
if (LOG.isLoggable(INFO)) {
LOG.info("OR connections: " + orConnectionsPending
+ " pending, " + orConnectionsConnected + " connected");
LOG.info(orConnectionsConnected + "OR connections connected");
}
}
}