package net.i2p.router.web;
import java.util.HashMap;
import java.util.Map;
import net.i2p.data.DataFormatException;
import net.i2p.data.Hash;
import net.i2p.router.TunnelPoolSettings;
import net.i2p.util.Log;
/**
* Handler to deal with form submissions from the tunnel config form and act
* upon the values.
*
*/
public class ConfigTunnelsHandler extends FormHandler {
private boolean _shouldSave;
@Override
protected void processForm() {
if (_shouldSave) {
saveChanges();
} else {
// noop
}
}
public void setShouldsave(String moo) {
if ( (moo != null) && (moo.equals(_t("Save changes"))) )
_shouldSave = true;
}
/**
* The user made changes to the network config and wants to save them, so
* lets go ahead and do so.
*
*/
private void saveChanges() {
boolean saveRequired = false;
Map<String, String> changes = new HashMap<String, String>();
if (_log.shouldLog(Log.DEBUG))
_log.debug("Saving changes, with props = " + _settings + ".");
int updated = 0;
int index = 0;
while (true) {
Object val = _settings.get("pool." + index);
if (val == null) break;
Hash client = new Hash();
String poolName = (val instanceof String ? (String)val : ((String[])val)[0]);
TunnelPoolSettings in = null;
TunnelPoolSettings out = null;
if ("exploratory".equals(poolName)) {
in = _context.tunnelManager().getInboundSettings();
out = _context.tunnelManager().getOutboundSettings();
} else {
try {
client.fromBase64(poolName);
} catch (DataFormatException dfe) {
addFormError("Internal error (pool name could not resolve - " + poolName + ").");
index++;
continue;
}
in = _context.tunnelManager().getInboundSettings(client);
out = _context.tunnelManager().getOutboundSettings(client);
}
if ( (in == null) || (out == null) ) {
addFormError("Internal error (pool settings cound not be found for " + poolName + ").");
index++;
continue;
}
in.setLength(getInt(_settings.get(index + ".depthInbound")));
out.setLength(getInt(_settings.get(index + ".depthOutbound")));
in.setLengthVariance(getInt(_settings.get(index + ".varianceInbound")));
out.setLengthVariance(getInt(_settings.get(index + ".varianceOutbound")));
in.setQuantity(getInt(_settings.get(index + ".quantityInbound")));
out.setQuantity(getInt(_settings.get(index + ".quantityOutbound")));
in.setBackupQuantity(getInt(_settings.get(index + ".backupInbound")));
out.setBackupQuantity(getInt(_settings.get(index + ".backupOutbound")));
if ("exploratory".equals(poolName)) {
changes.put(TunnelPoolSettings.PREFIX_INBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_LENGTH, in.getLength()+"");
changes.put(TunnelPoolSettings.PREFIX_OUTBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_LENGTH, out.getLength()+"");
changes.put(TunnelPoolSettings.PREFIX_INBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_LENGTH_VARIANCE, in.getLengthVariance()+"");
changes.put(TunnelPoolSettings.PREFIX_OUTBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_LENGTH_VARIANCE, out.getLengthVariance()+"");
changes.put(TunnelPoolSettings.PREFIX_INBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_QUANTITY, in.getQuantity()+"");
changes.put(TunnelPoolSettings.PREFIX_OUTBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_QUANTITY, out.getQuantity()+"");
changes.put(TunnelPoolSettings.PREFIX_INBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_BACKUP_QUANTITY, in.getBackupQuantity()+"");
changes.put(TunnelPoolSettings.PREFIX_OUTBOUND_EXPLORATORY +
TunnelPoolSettings.PROP_BACKUP_QUANTITY, out.getBackupQuantity()+"");
}
if ("exploratory".equals(poolName)) {
if (_log.shouldLog(Log.DEBUG)) {
_log.debug("Inbound exploratory settings: " + in);
_log.debug("Outbound exploratory settings: " + out);
}
_context.tunnelManager().setInboundSettings(in);
_context.tunnelManager().setOutboundSettings(out);
} else {
if (_log.shouldLog(Log.DEBUG)) {
_log.debug("Inbound settings for " + client.toBase64() + ": " + in);
_log.debug("Outbound settings for " + client.toBase64() + ": " + out);
}
_context.tunnelManager().setInboundSettings(client, in);
_context.tunnelManager().setOutboundSettings(client, out);
}
updated++;
saveRequired = true;
index++;
}
if (updated > 0)
// the count isn't really correct anyway, since we don't check for actual changes
//addFormNotice("Updated settings for " + updated + " pools.");
addFormNotice(_t("Updated settings for all pools."));
if (saveRequired) {
boolean saved = _context.router().saveConfig(changes, null);
if (saved)
addFormNotice(_t("Exploratory tunnel configuration saved successfully."));
else
addFormError(_t("Error saving the configuration (applied but not saved) - please see the error logs."));
}
}
private static final int getInt(Object val) {
if (val == null) return 0;
String str = null;
if (val instanceof String)
str = (String)val;
else
str = ((String[])val)[0];
if (str.trim().length() <= 0) return 0;
try { return Integer.parseInt(str); } catch (NumberFormatException nfe) { return 0; }
}
}