Module ockam_core::flow_control

Flow Control

Allows limiting messaging between workers for security reasons.

Flow Control implies 3 roles:

• Producers, that produce messages (that usually originate on other nodes), which are potentially malicious and should be limited in terms of which workers they can reach. Tcp Receiver is an examples of a Producer.
• Consumers, that are allowed to consume potentially malicious messages from Producers. Secure Channel Decryptor is an example of Consumer.
• Spawners, that spawn Consumers and/or Producers Tcp Listener is an example of Spawner that spawns Producers Secure Channel Listener is an example of Spawner that spawns both Producers and Consumers.

Each Flow Control is identified by a unique random FlowControlId. Producers, Consumers and Spawners are identified by their messaging Address. FlowControls object is used to store all Flow Control-related data, as well as setup interactions between Producers, Consumers and Spawners.

Structs

• ConsumersInfo
  Known Consumers for the given [FlowControlId]
• FlowControlId
  Unique random identifier of a Flow Control
• FlowControlOutgoingAccessControl
  Flow Control Outgoing Access Control
• FlowControls
  Storage for all Flow Control-related data
• ProducerInfo
  Producer information