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## net.i2p.router.transport
Class TransportManager

    java.lang.Object
      net.i2p.router.transport.TransportManager

All Implemented Interfaces:
  TransportEventListener

    public class TransportManager

extends Object
implements TransportEventListener

Field Summary
`static String` | `PROP_ENABLE_NTCP` default true
`static String` | `PROP_ENABLE_UDP` default true
`static String` | `PROP_ENABLE_UPNP` default true

Constructor Summary
`TransportManager(RouterContext context)`

Method Summary
`void` | `addTransport(Transport transport)`
`int` | `countActivePeers()`
`int` | `countActiveSendPeers()`
`void` | `externalAddressReceived(String source, byte[] ip, int port)` callback from UPnP Only tell SSU, it will tell NTCP
`void` | `forwardPortStatus(String style, int port, boolean success, String reason)` callback from UPnP
`Map<String,RouterAddress>` | `getAddresses()` This forces a rebuild
`TransportBid` | `getBid(OutNetMessage msg)`
`List<TransportBid>` | `getBids(OutNetMessage msg)`
`Vector` | `getClockSkews()` Return our peer clock skews on all transports.
`byte[]` | `getIP(Hash dest)` IP of the peer from the last connection (in or out, any transport).
`List` | `getMostRecentErrorMessages()`
`TransportBid` | `getNextBid(OutNetMessage msg)`
`short` | `getReachabilityStatus()`
`Transport` | `getTransport(String style)`
`(package private) int` | `getTransportCount()`
`boolean` | `haveHighOutboundCapacity()` Are all transports well below their outbound connection limit Use for throttling in the router.
`boolean` | `haveInboundCapacity(int pct)` Is at least one transport below its inbound connection limit + some margin Use for throttling in the router.
`boolean` | `haveOutboundCapacity(int pct)` Is at least one transport below its outbound connection limit + some margin Use for throttling in the router.
`boolean` | `isBacklogged(Hash dest)`
`boolean` | `isEstablished(Hash dest)`
`static boolean` | `isNTCPEnabled(RouterContext ctx)`
`void` | `messageReceived(I2NPMessage message, RouterIdentity fromRouter, Hash fromRouterHash)`
`void` | `recheckReachability()`
`void` | `removeTransport(Transport transport)`
`void` | `renderStatusHTML(Writer out, String urlBase, int sortFlags)`
`void` | `restart()`
`void` | `startListening()`
`void` | `stopListening()`
`void` | `transportAddressChanged()`
`boolean` | `wasUnreachable(Hash dest)` Was the peer UNreachable (outbound only) on any transport, based on the last time we tried it for each transport? This is NOT reset if the peer contacts us.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### PROP_ENABLE_UDP

    public static final String PROP_ENABLE_UDP

  default true

  See Also:
    Constant Field Values

### PROP_ENABLE_NTCP

    public static final String PROP_ENABLE_NTCP

  default true

  See Also:
    Constant Field Values

### PROP_ENABLE_UPNP

    public static final String PROP_ENABLE_UPNP

  default true

  See Also:
    Constant Field Values

Constructor Detail

### TransportManager

    public TransportManager(RouterContext context)

Method Detail

### addTransport

    public void addTransport(Transport transport)

### removeTransport

    public void removeTransport(Transport transport)

### isNTCPEnabled

    public static boolean isNTCPEnabled(RouterContext ctx)

### externalAddressReceived

    public void externalAddressReceived(String source,
                                        byte[] ip,
                                        int port)

  callback from UPnP Only tell SSU, it will tell NTCP

### forwardPortStatus

    public void forwardPortStatus(String style,
                                  int port,
                                  boolean success,
                                  String reason)

  callback from UPnP

### startListening

    public void startListening()

### restart

    public void restart()

### stopListening

    public void stopListening()

### getTransport

    public Transport getTransport(String style)

### getTransportCount

    int getTransportCount()

### countActivePeers

    public int countActivePeers()

### countActiveSendPeers

    public int countActiveSendPeers()

### haveOutboundCapacity

    public boolean haveOutboundCapacity(int pct)

  Is at least one transport below its outbound connection limit + some margin Use for throttling in the router.

  Parameters:
    `pct` - percent of limit 0-100

### haveHighOutboundCapacity

    public boolean haveHighOutboundCapacity()

  Are all transports well below their outbound connection limit Use for throttling in the router.

### haveInboundCapacity

    public boolean haveInboundCapacity(int pct)

  Is at least one transport below its inbound connection limit + some margin Use for throttling in the router.

  Parameters:
    `pct` - percent of limit 0-100

### getClockSkews

    public Vector getClockSkews()

  Return our peer clock skews on all transports. Vector composed of Long, each element representing a peer skew in seconds. Note: this method returns them in whimsical order.

### getReachabilityStatus

    public short getReachabilityStatus()

  Returns:
    the best status of any transport

### recheckReachability

    public void recheckReachability()

### isBacklogged

    public boolean isBacklogged(Hash dest)

### isEstablished

    public boolean isEstablished(Hash dest)

### wasUnreachable

    public boolean wasUnreachable(Hash dest)

  Was the peer UNreachable (outbound only) on any transport, based on the last time we tried it for each transport? This is NOT reset if the peer contacts us.

### getIP

    public byte[] getIP(Hash dest)

  IP of the peer from the last connection (in or out, any transport). This may be different from that advertised in the netDb, as the peer may be hidden, or connect from a different IP, or change his netDb later, in an attempt to avoid restrictions. For blocking purposes, etc. it's worth checking both the netDb addresses and this address.

### getAddresses

    public Map<String,RouterAddress> getAddresses()

  This forces a rebuild

### getBid

    public TransportBid getBid(OutNetMessage msg)

### getBids

    public List<TransportBid> getBids(OutNetMessage msg)

### getNextBid

    public TransportBid getNextBid(OutNetMessage msg)

### messageReceived

    public void messageReceived(I2NPMessage message,
                                RouterIdentity fromRouter,
                                Hash fromRouterHash)

  Specified by:
    `messageReceived` in interface `TransportEventListener`

### transportAddressChanged

    public void transportAddressChanged()

  Specified by:
    `transportAddressChanged` in interface `TransportEventListener`

### getMostRecentErrorMessages

    public List getMostRecentErrorMessages()

### renderStatusHTML

    public void renderStatusHTML(Writer out,
                                 String urlBase,
                                 int sortFlags)
                          throws IOException

  Throws:
    `IOException`

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