> On Dec. 2, 2019, 11:23 p.m., Greg Mann wrote:
> > 3rdparty/libprocess/src/ssl/socket_wrapper.cpp
> > Lines 449 (patched)
> > <https://reviews.apache.org/r/71665/diff/5/?file=2174446#file2174446line449>
> >
> >     What do you mean "instead of in `accept`"? Aren't we in `accept` right 
> > now?

Oops, I originally put this comment in an override of `listen` instead.


> On Dec. 2, 2019, 11:23 p.m., Greg Mann wrote:
> > 3rdparty/libprocess/src/ssl/socket_wrapper.cpp
> > Lines 460-464 (patched)
> > <https://reviews.apache.org/r/71665/diff/5/?file=2174446#file2174446line460>
> >
> >     Is it possible to switch `PollSocketImpl::accept()` to use a weak 
> > reference instead of adding this code here?

Playing around with this a bit more, it may be necessary to make the change in 
PollSocketImpl.  On Windows, there is no equivalent of `io::poll`, so I need to 
make the Windows poll socket into a weak pointer anyway.

We can limit the change of shared pointers into weak pointers to the `accept` 
and `connect` methods, since those are the two methods called by the SSL 
socket.  But it wouldn't hurt to change all the poll socket's shared pointers 
into weak pointers (there might be a slight performance penalty associated with 
grabbing all these shared pointer locks though).


> On Dec. 2, 2019, 11:23 p.m., Greg Mann wrote:
> > 3rdparty/libprocess/src/ssl/socket_wrapper.cpp
> > Lines 506 (patched)
> > <https://reviews.apache.org/r/71665/diff/5/?file=2174446#file2174446line506>
> >
> >     What is the "configure callback"? Could you be more explicit/verbose 
> > here?

This terminology refers to this note in `libprocess/src/openssl.hpp`:
```
// Callback for setting SSL options after the TCP connection was
// established but before the TLS handshake has started.
Try<Nothing> configure_socket(
    SSL* ssl,
    Mode mode,
    const Address& peer,
    const Option<std::string>& peer_hostname);
```

This code was copied from the libevent SSL socket's accept logic too.


> On Dec. 2, 2019, 11:23 p.m., Greg Mann wrote:
> > 3rdparty/libprocess/src/ssl/socket_wrapper.cpp
> > Lines 557-558 (patched)
> > <https://reviews.apache.org/r/71665/diff/5/?file=2174446#file2174446line557>
> >
> >     Why vlog this failure case but not the others? Should we have logging 
> > for all these cases, or none?

This log was also copied from libevent.  I can add more logging where it makes 
sense to.


- Joseph


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On Nov. 11, 2019, 11:40 a.m., Joseph Wu wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/71665/
> -----------------------------------------------------------
> 
> (Updated Nov. 11, 2019, 11:40 a.m.)
> 
> 
> Review request for mesos, Benno Evers, Benjamin Mahler, Greg Mann, and Till 
> Toenshoff.
> 
> 
> Bugs: MESOS-10010
>     https://issues.apache.org/jira/browse/MESOS-10010
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> This fills in some of the SSL socket implementation,
> in particular the constructor, destructor, connect(),
> and accept() methods.
> 
> Much of the setup and verification is taken verbatim from the
> libevent socket implementation.
> 
> 
> Diffs
> -----
> 
>   3rdparty/libprocess/include/process/socket.hpp 
> 48860f8646d388685f0a60ad2a2f613b1f4be61a 
>   3rdparty/libprocess/src/ssl/socket_wrapper.hpp PRE-CREATION 
>   3rdparty/libprocess/src/ssl/socket_wrapper.cpp PRE-CREATION 
> 
> 
> Diff: https://reviews.apache.org/r/71665/diff/5/
> 
> 
> Testing
> -------
> 
> cmake --build . --target libprocess-tests
> 
> Successfully connected to Google :D
> With something like this:
> ```
>   set_environment_variables({
>     {"LIBPROCESS_SSL_ENABLED", "true"},
>     {"LIBPROCESS_SSL_KEY_FILE", key_path().string()},
>     {"LIBPROCESS_SSL_CERT_FILE", certificate_path().string()}
>   });
> 
>   Try<Socket> client = Socket::create(SocketImpl::Kind::SSL);
>   ASSERT_SOME(client);
> 
>   AWAIT_ASSERT_READY(client->connect(
>       network::inet::Address(net::IP::parse("216.58.194.206").get(), 443),
>       openssl::create_tls_client_config(None())));
> ```
> 
> 
> Thanks,
> 
> Joseph Wu
> 
>

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