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public interface NodeValidator
Validate peers and their claimed capabilities
The implementations of NodeValidator handle the verification that we
know the node(s) when they connect, and calculate the resulting
capabilities/roles we allow the nodes.
If you do not provide the Node instance a node validator instance then
the node instance will use a DefaultNodeValidator
.
Implementations can implement a "peer list" using plain-text files, databases, etc.
Nested Class Summary | |
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static class |
NodeValidator.AuthenticationResult
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Method Summary | |
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NodeValidator.AuthenticationResult |
authenticateNode(String host_id,
Object obj)
Verify that we know the node. |
Capability |
authorizeNode(String host_id,
NodeSettings settings,
Capability reported_capabilities)
Calculate the capabilities that we allow the peer to have. |
Method Detail |
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NodeValidator.AuthenticationResult authenticateNode(String host_id, Object obj)
NodeValidator.AuthenticationResult
telling the node if we know the peer, and if not what the
result-code and error-message should be. (Node provides reasonable defaults).
host_id
- The orogin-host-id of the peer.obj
- An object describing the transport connection. For TCP transport connections this is a socket channel. For SCTP transport connections it is a RelevantSCTPAuthInfo
instance.Capability authorizeNode(String host_id, NodeSettings settings, Capability reported_capabilities)
host_id
- The origin-host-id of the peer.settings
- The settings of the node (as passed to its constructor)reported_capabilities
- The capability set the peer reported it supports.
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