Package conduit 2.1.0

Introduction

The Conduit library abstracts the concerns of establishing connections to peers that may be running within the same host (e.g. in another virtual machine) or on a remote host via TCP. It consists of:

• The Conduit module with basic type definitions for endpoints
• OS-specific modules for establishing individual connections
• The Resolver module for mapping URIs to endpoints
• OS-specific name resolvers that use available resolution mechanisms

Connection Establishment

Connections are created by identifying remote nodes using an endp value. To ensure portability, the endpoints are translated into concrete connections by separate modules that target Lwt_unix, Async and Mirage. This lets those backends use the appropriate local technique for creating the connection (such as using OpenSSL on Unix, or a pure OCaml TLS+TCP implementation on Mirage, or some other combination).

The modules dealing with connection establishment are:

• Conduit_lwt_unix
• Conduit_async
• Conduit_mirage

Name Resolution

This deals with resolving URIs into a list of endp addresses that can then be connected to by the connection establishment modules.

All of the name resolvers conform to the Resolver.S module type. The OS-specific implementations of this interface are:

• Resolver_lwt
• Resolver_lwt_unix
• Resolver_mirage

Mirage Connections

On Mirage, the networking stack is configured via the application of functors to satisfy various signatures. Some of the available functors are:

• Conduit_xenstore
• Conduit_localhost

indexlist

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