Module Http_client_conncache

module Http_client_conncache: sig .. end

Connection cache

This module allows one to create special connection caches, e.g. by deriving from the official ones

type channel_binding_id = int

Same as in Http_client.channel_binding_id

type inactive_data = {

	`conn_cb :channel_binding_id;`
	`tls_stashed_endpoint :exn option;`

}

type conn_state = [ `Active of <  > | `Inactive of inactive_data ]

A TCP connection may be either `Inactive, i.e. it is not used by any pipeline, or `Active obj, i.e. it is in use by the pipeline obj (this is the Http_client.pipeline coerced to < >).

Since Ocamlnet-4, `Inactive connections carry an inactive_data record (was a channel_binding_id before). Since Ocamlnet-3.3, `Inactive connections carry the channel binding ID as argument. Since 3.8, there is the option of storing an exception value private_data. This may be used by implementations to store private data together with the file descriptor.

type peer = [ `Direct of string * int
       | `Direct_name of string * int
       | `Http_proxy of string * int
       | `Http_proxy_connect of (string * int) * (string * int)
       | `Socks5 of (string * int) * (string * int) ]

class type connection_cache = object .. end

class restrictive_cache : unit -> connection_cache

A restrictive cache closes connections as soon as there are no pending requests.

class aggressive_cache : unit -> connection_cache

This type of cache tries to keep connections as long open as possible.

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