private synchronized void removeUpnpMappings(final Collection<UpnpMapping> toRemove) {
if (toRemove.size() == 0) {
return;
}
log.info("Deleting mappings {}", toRemove);
UPNPDev devlist =
MiniupnpcLibrary.INSTANCE.upnpDiscover(
UPNP_DELAY, (String) null, (String) null, 0, 0, IntBuffer.allocate(1));
if (devlist == null) {
log.debug("No devices?");
// no devices, so no way to remove mapping
return;
}
final UPNPUrls urls = new UPNPUrls();
final IGDdatas data = new IGDdatas();
ByteBuffer lanaddr = ByteBuffer.allocate(16);
int ret = MiniupnpcLibrary.INSTANCE.UPNP_GetValidIGD(devlist, urls, data, lanaddr, 16);
if (ret == 0) {
log.debug("No valid IGD?");
devlist.setAutoRead(false);
MiniupnpcLibrary.INSTANCE.freeUPNPDevlist(devlist);
return;
}
try {
logIGDResponse(ret, urls);
for (UpnpMapping mapping : toRemove) {
ret =
MiniupnpcLibrary.INSTANCE.UPNP_DeletePortMapping(
urls.controlURL.getString(0),
zeroTerminatedString(data.first.servicetype),
"" + mapping.externalPort,
mapping.prot.toString(),
null);
if (ret != MiniupnpcLibrary.UPNPCOMMAND_SUCCESS)
log.debug("DeletePortMapping() failed with code " + ret);
}
} finally {
MiniupnpcLibrary.INSTANCE.FreeUPNPUrls(urls);
devlist.setAutoRead(false);
MiniupnpcLibrary.INSTANCE.freeUPNPDevlist(devlist);
}
}
protected synchronized void addMapping(
final PortMappingProtocol prot,
final int externalPortRequested,
int localPort,
final PortMapListener portMapListener) {
ByteBuffer lanaddr = ByteBuffer.allocate(16);
ByteBuffer intClient = ByteBuffer.allocate(16);
ByteBuffer intPort = ByteBuffer.allocate(6);
ByteBuffer desc = ByteBuffer.allocate(80);
ByteBuffer enabled = ByteBuffer.allocate(4);
ByteBuffer leaseDuration = ByteBuffer.allocate(16);
int ret;
final UPNPUrls urls = new UPNPUrls();
final IGDdatas data = new IGDdatas();
UPNPDev devlist =
MiniupnpcLibrary.INSTANCE.upnpDiscover(
UPNP_DELAY, (String) null, (String) null, 0, 0, IntBuffer.allocate(1));
if (devlist == null) {
MiniupnpcLibrary.INSTANCE.FreeUPNPUrls(urls);
portMapListener.onPortMapError();
return;
}
ret = MiniupnpcLibrary.INSTANCE.UPNP_GetValidIGD(devlist, urls, data, lanaddr, 16);
if (ret == 0) {
log.debug("No valid UPNP Internet Gateway Device found.");
portMapListener.onPortMapError();
MiniupnpcLibrary.INSTANCE.FreeUPNPUrls(urls);
devlist.setAutoRead(false);
MiniupnpcLibrary.INSTANCE.freeUPNPDevlist(devlist);
return;
}
try {
logIGDResponse(ret, urls);
log.debug("Local LAN ip address : " + zeroTerminatedString(lanaddr.array()));
ByteBuffer externalAddress = ByteBuffer.allocate(16);
MiniupnpcLibrary.INSTANCE.UPNP_GetExternalIPAddress(
urls.controlURL.getString(0),
zeroTerminatedString(data.first.servicetype),
externalAddress);
publicIp = zeroTerminatedString(externalAddress.array());
log.debug("ExternalIPAddress = " + publicIp);
ret =
MiniupnpcLibrary.INSTANCE.UPNP_AddPortMapping(
urls.controlURL.getString(0), // controlURL
zeroTerminatedString(data.first.servicetype), // servicetype
"" + externalPortRequested, // external Port
"" + localPort, // internal Port
zeroTerminatedString(lanaddr.array()), // internal client
"added via MiniupnpcLibrary.INSTANCE/JAVA !", // description
prot.toString(), // protocol UDP or TCP
null, // remote host (useless)
"0"); // leaseDuration
if (ret != MiniupnpcLibrary.UPNPCOMMAND_SUCCESS) {
portMapListener.onPortMapError();
return;
}
// get the local port (but didn't we request one?)
ret =
MiniupnpcLibrary.INSTANCE.UPNP_GetSpecificPortMappingEntry(
urls.controlURL.getString(0),
zeroTerminatedString(data.first.servicetype),
"" + externalPortRequested,
prot.toString(),
intClient,
intPort,
desc,
enabled,
leaseDuration);
log.debug(
"InternalIP:Port = "
+ zeroTerminatedString(intClient.array())
+ ":"
+ zeroTerminatedString(intPort.array())
+ " ("
+ zeroTerminatedString(desc.array())
+ ")");
model.getInstanceStats().setUsingUPnP(true);
final UpnpMapping mapping = new UpnpMapping();
mapping.prot = prot;
mapping.internalPort = localPort;
mapping.externalPort = externalPortRequested;
mappings.add(mapping);
log.debug("Added mapping. Mappings now: {}", mappings);
} finally {
MiniupnpcLibrary.INSTANCE.FreeUPNPUrls(urls);
devlist.setAutoRead(false);
MiniupnpcLibrary.INSTANCE.freeUPNPDevlist(devlist);
}
portMapListener.onPortMap(externalPortRequested);
}