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## net.i2p.router.tunnel.pool
Class TunnelPoolManager

    java.lang.Object
      net.i2p.router.tunnel.pool.TunnelPoolManager

All Implemented Interfaces:
  Service, TunnelManagerFacade

    public class TunnelPoolManager

extends Object
implements TunnelManagerFacade

Constructor Summary
`TunnelPoolManager(RouterContext ctx)`

Method Summary
`(package private) void` | `buildComplete()` ??
`(package private) void` | `buildComplete(PooledTunnelCreatorConfig cfg)` queue a recurring test job if appropriate
`void` | `buildTunnels(Destination client, ClientTunnelSettings settings)` Used only at session startup.
`(package private) BuildExecutor` | `getExecutor()`
`int` | `getFreeTunnelCount()` how many free inbound tunnels do we have available?
`int` | `getInboundBuildQueueSize()` count how many inbound tunnel requests we have received but not yet processed
`Map<Hash,TunnelPool>` | `getInboundClientPools()` for TunnelRenderer in router console
`int` | `getInboundClientTunnelCount()` how many free inbound client tunnels do we have available?
`TunnelPool` | `getInboundExploratoryPool()` for TunnelRenderer in router console
`TunnelPoolSettings` | `getInboundSettings()`
`TunnelPoolSettings` | `getInboundSettings(Hash client)`
`long` | `getLastParticipatingExpiration()` When does the last tunnel we are participating in expire?
`Map<Hash,TunnelPool>` | `getOutboundClientPools()` for TunnelRenderer in router console
`int` | `getOutboundClientTunnelCount()` how many outbound client tunnels do we have available?
`int` | `getOutboundClientTunnelCount(Hash destination)` Use to verify a tunnel pool is alive
`TunnelPool` | `getOutboundExploratoryPool()` for TunnelRenderer in router console
`TunnelPoolSettings` | `getOutboundSettings()`
`TunnelPoolSettings` | `getOutboundSettings(Hash client)`
`int` | `getOutboundTunnelCount()` how many outbound tunnels do we have available?
`int` | `getParticipatingCount()` how many tunnels are we participating in?
`double` | `getShareRatio()`
`TunnelInfo` | `getTunnelInfo(TunnelId id)` Retrieve the information related to a particular tunnel
`(package private) boolean` | `isShutdown()`
`boolean` | `isValidTunnel(Hash client, TunnelInfo tunnel)` Is a tunnel a valid member of the pool?
`void` | `listPools(List<TunnelPool> out)` list of TunnelPool instances currently in play
`void` | `removeTunnels(Hash destination)` synch with buildTunnels() above
`void` | `renderStatusHTML(Writer out)` Deprecated. moved to routerconsole
`void` | `restart()` Perform a soft restart.
`TunnelInfo` | `selectInboundTunnel()` pick an inbound tunnel not bound to a particular destination
`TunnelInfo` | `selectInboundTunnel(Hash destination)` pick an inbound tunnel bound to the given destination
`TunnelInfo` | `selectOutboundTunnel()` pick an outbound tunnel not bound to a particular destination
`TunnelInfo` | `selectOutboundTunnel(Hash destination)` pick an outbound tunnel bound to the given destination
`Set<Hash>` | `selectPeersInTooManyTunnels()` For reliability reasons, don't allow a peer in more than x% of client and exploratory tunnels.
`void` | `setInboundSettings(Hash client, TunnelPoolSettings settings)`
`void` | `setInboundSettings(TunnelPoolSettings settings)`
`void` | `setOutboundSettings(Hash client, TunnelPoolSettings settings)`
`void` | `setOutboundSettings(TunnelPoolSettings settings)`
`void` | `shutdown()` Instruct the service that the router is shutting down and that it should do whatever is necessary to go down gracefully.
`void` | `startup()` Instruct the service that it should start normal operation.
`(package private) void` | `tunnelFailed()`

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

Constructor Detail

### TunnelPoolManager

    public TunnelPoolManager(RouterContext ctx)

Method Detail

### selectInboundTunnel

    public TunnelInfo selectInboundTunnel()

  pick an inbound tunnel not bound to a particular destination

  Specified by:
    `selectInboundTunnel` in interface `TunnelManagerFacade`

### selectInboundTunnel

    public TunnelInfo selectInboundTunnel(Hash destination)

  pick an inbound tunnel bound to the given destination

  Specified by:
    `selectInboundTunnel` in interface `TunnelManagerFacade`

### selectOutboundTunnel

    public TunnelInfo selectOutboundTunnel()

  pick an outbound tunnel not bound to a particular destination

  Specified by:
    `selectOutboundTunnel` in interface `TunnelManagerFacade`

### selectOutboundTunnel

    public TunnelInfo selectOutboundTunnel(Hash destination)

  pick an outbound tunnel bound to the given destination

  Specified by:
    `selectOutboundTunnel` in interface `TunnelManagerFacade`

### getTunnelInfo

    public TunnelInfo getTunnelInfo(TunnelId id)

  Description copied from interface: `TunnelManagerFacade`
  Retrieve the information related to a particular tunnel

  Specified by:
    `getTunnelInfo` in interface `TunnelManagerFacade`
  Parameters:
    `id` - the tunnelId as seen at the gateway

### getFreeTunnelCount

    public int getFreeTunnelCount()

  Description copied from interface: `TunnelManagerFacade`
  how many free inbound tunnels do we have available?

  Specified by:
    `getFreeTunnelCount` in interface `TunnelManagerFacade`

### getOutboundTunnelCount

    public int getOutboundTunnelCount()

  Description copied from interface: `TunnelManagerFacade`
  how many outbound tunnels do we have available?

  Specified by:
    `getOutboundTunnelCount` in interface `TunnelManagerFacade`

### getInboundClientTunnelCount

    public int getInboundClientTunnelCount()

  Description copied from interface: `TunnelManagerFacade`
  how many free inbound client tunnels do we have available?

  Specified by:
    `getInboundClientTunnelCount` in interface `TunnelManagerFacade`

### getOutboundClientTunnelCount

    public int getOutboundClientTunnelCount()

  Description copied from interface: `TunnelManagerFacade`
  how many outbound client tunnels do we have available?

  Specified by:
    `getOutboundClientTunnelCount` in interface `TunnelManagerFacade`

### getOutboundClientTunnelCount

    public int getOutboundClientTunnelCount(Hash destination)

  Use to verify a tunnel pool is alive

  Specified by:
    `getOutboundClientTunnelCount` in interface `TunnelManagerFacade`
  Since:
    0.7.11

### getParticipatingCount

    public int getParticipatingCount()

  Description copied from interface: `TunnelManagerFacade`
  how many tunnels are we participating in?

  Specified by:
    `getParticipatingCount` in interface `TunnelManagerFacade`

### getLastParticipatingExpiration

    public long getLastParticipatingExpiration()

  Description copied from interface: `TunnelManagerFacade`
  When does the last tunnel we are participating in expire?

  Specified by:
    `getLastParticipatingExpiration` in interface `TunnelManagerFacade`

### getShareRatio

    public double getShareRatio()

  Specified by:
    `getShareRatio` in interface `TunnelManagerFacade`
  Returns:
    (number of part. tunnels) / (estimated total number of hops in our expl.+client tunnels) 100 max. We just use length setting, not variance, for speed
  Since:
    0.7.10

### isValidTunnel

    public boolean isValidTunnel(Hash client,
                                 TunnelInfo tunnel)

  Description copied from interface: `TunnelManagerFacade`
  Is a tunnel a valid member of the pool?

  Specified by:
    `isValidTunnel` in interface `TunnelManagerFacade`

### getInboundSettings

    public TunnelPoolSettings getInboundSettings()

  Specified by:
    `getInboundSettings` in interface `TunnelManagerFacade`

### getOutboundSettings

    public TunnelPoolSettings getOutboundSettings()

  Specified by:
    `getOutboundSettings` in interface `TunnelManagerFacade`

### setInboundSettings

    public void setInboundSettings(TunnelPoolSettings settings)

  Specified by:
    `setInboundSettings` in interface `TunnelManagerFacade`

### setOutboundSettings

    public void setOutboundSettings(TunnelPoolSettings settings)

  Specified by:
    `setOutboundSettings` in interface `TunnelManagerFacade`

### getInboundSettings

    public TunnelPoolSettings getInboundSettings(Hash client)

  Specified by:
    `getInboundSettings` in interface `TunnelManagerFacade`

### getOutboundSettings

    public TunnelPoolSettings getOutboundSettings(Hash client)

  Specified by:
    `getOutboundSettings` in interface `TunnelManagerFacade`

### setInboundSettings

    public void setInboundSettings(Hash client,
                                   TunnelPoolSettings settings)

  Specified by:
    `setInboundSettings` in interface `TunnelManagerFacade`

### setOutboundSettings

    public void setOutboundSettings(Hash client,
                                    TunnelPoolSettings settings)

  Specified by:
    `setOutboundSettings` in interface `TunnelManagerFacade`

### restart

    public void restart()

  Description copied from interface: `Service`
  Perform a soft restart.

  Specified by:
    `restart` in interface `Service`

### buildTunnels

    public void buildTunnels(Destination client,
                             ClientTunnelSettings settings)

  Used only at session startup. Do not use to change settings.

  Specified by:
    `buildTunnels` in interface `TunnelManagerFacade`

### removeTunnels

    public void removeTunnels(Hash destination)

  synch with buildTunnels() above

### buildComplete

    void buildComplete(PooledTunnelCreatorConfig cfg)

  queue a recurring test job if appropriate

### buildComplete

    void buildComplete()

  ??

### startup

    public void startup()

  Description copied from interface: `Service`
  Instruct the service that it should start normal operation. This call DOES block until the service is ready.

  Specified by:
    `startup` in interface `Service`

### shutdown

    public void shutdown()

  Description copied from interface: `Service`
  Instruct the service that the router is shutting down and that it should do whatever is necessary to go down gracefully. It should not depend on other components at this point. This call DOES block.

  Specified by:
    `shutdown` in interface `Service`

### listPools

    public void listPools(List<TunnelPool> out)

  list of TunnelPool instances currently in play

  Specified by:
    `listPools` in interface `TunnelManagerFacade`

### tunnelFailed

    void tunnelFailed()

### getExecutor

    BuildExecutor getExecutor()

### isShutdown

    boolean isShutdown()

### getInboundBuildQueueSize

    public int getInboundBuildQueueSize()

  Description copied from interface: `TunnelManagerFacade`
  count how many inbound tunnel requests we have received but not yet processed

  Specified by:
    `getInboundBuildQueueSize` in interface `TunnelManagerFacade`

### renderStatusHTML

    public void renderStatusHTML(Writer out)
                          throws IOException

  Deprecated. moved to routerconsole

  Specified by:
    `renderStatusHTML` in interface `Service`
  Throws:
    `IOException`

### selectPeersInTooManyTunnels

    public Set<Hash> selectPeersInTooManyTunnels()

  For reliability reasons, don't allow a peer in more than x% of client and exploratory tunnels. This also will prevent a single huge-capacity (or malicious) peer from taking all the tunnels in the network (although it would be nice to limit the % of total network tunnels to 10% or so, but that appears to be too low to set as a default here... much lower than 33% will push client tunnels out of the fast tier into high cap or beyond...) Possible improvement - restrict based on count per IP, or IP block, to slightly increase costs of collusion

  Specified by:
    `selectPeersInTooManyTunnels` in interface `TunnelManagerFacade`
  Returns:
    Set of peers that should not be allowed in another tunnel

### getInboundClientPools

    public Map<Hash,TunnelPool> getInboundClientPools()

  for TunnelRenderer in router console

  Specified by:
    `getInboundClientPools` in interface `TunnelManagerFacade`

### getOutboundClientPools

    public Map<Hash,TunnelPool> getOutboundClientPools()

  for TunnelRenderer in router console

  Specified by:
    `getOutboundClientPools` in interface `TunnelManagerFacade`

### getInboundExploratoryPool

    public TunnelPool getInboundExploratoryPool()

  for TunnelRenderer in router console

  Specified by:
    `getInboundExploratoryPool` in interface `TunnelManagerFacade`

### getOutboundExploratoryPool

    public TunnelPool getOutboundExploratoryPool()

  for TunnelRenderer in router console

  Specified by:
    `getOutboundExploratoryPool` in interface `TunnelManagerFacade`

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