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Module type Netsys_crypto_types.TLS_EXCEPTIONS

module type TLS_EXCEPTIONS = sig .. end
The exceptions the TLS provider may use (in addition to OCaml's built-in exception). In Ocamlnet, these exceptions are actually defined in Netsys_types.

exception EAGAIN_RD
exception EAGAIN_WR
A read or write cannot be done because the descriptor is in non-blocking mode and would block. This corresponds to the Unix.EAGAIN error but includes whether it was a read or write.

When the read or write is possible, the interrupted function should simply be again called.

These two exceptions are preferred by TLS providers.

exception TLS_switch_request
The server requested a rehandshake (this exception is thrown in the client)
exception TLS_switch_response of bool
The client accepted or denied a rehandshake (this exception is thrown in the server). true means acceptance.
exception TLS_error of string
A fatal error occurred (i.e. the session needs to be terminated). The string is a symbol identifying the error.
exception TLS_warning of string
A non-fatal error occurred. The interrupted function should be called again. The string is a symbol identifying the warning.
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