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This is the function that should be called regardless of
TCP or TLS being used. The proper usage for this function is:
{ok, ProxyInfo} = ranch:recv_proxy_header(Ref, Timeout),
{ok, Socket} = ranch:handshake(Ref),
...
Ranch takes care of everything else under the hood. Transports
now need to have a Transport:recv_proxy_header/2 function. For
ranch_ssl the function gets the port from the sslsocket() record
and then calls ranch_tcp:recv_proxy_header/2 with it.
This means that two undocumented features are currently used for
this, but the interface is really nice so that's a sacrifice
worth doing. Also worth noting is that OTP 22 should have an
alternative for gen_tcp:unrecv/2 so the only real issue is about
the sslsocket() record at the moment.
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The race condition occurs when the restart is faster than
the cleaning up. With this commit the restart will perform
the cleanup if it was not done beforehand.
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This uses the undocumented function gen_tcp:unrecv/2.
Tests have been added for both gen_tcp and ssl connections,
including sending data in the same first packet, at least
for gen_tcp (ssl tests may or may not end up buffering some
of the TLS handshake before the recv call, but there's no
guarantees).
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I had to use the process dictionary to work around the current
interface for one log call. You have been warned.
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Based on the work done by @juhlig.
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A map should now be used when specifying transport options
that contain more than just socket options. It is still
possible to pass a list of socket options directly as a
convenience.
The ack_timeout is renamed to handshake_timeout when
specified as a map. This corresponds to the new function
ranch:handshake/1,2 that will be favored in Ranch 2.0.
Specifying Ranch-specific options via the proplist will
no longer be possible starting from Ranch 2.0.
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This commit deprecates Transport:accept_ack/1 in favor of
a new forward-compatible function. Transport:handshake/1,2
will use ssl:handshake/2,3 from Ranch 2.0 onward.
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LH: Reworked validation style and added a -dialyzer
attribute to acceptor_SUITE to silence expected errors.
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This allows graceful draining of connections, updating transport
options on a running listener without having to drop connections
and other similar scenarios.
Note that when updating transport options the listener must be
suspended which means that new connections will be rejected until
the listener is resumed.
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Windows apparently does not have privileged ports, anyone
can open sockets on ports < 1024.
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The NumAcceptors argument has been moved to transport option
num_acceptor, which defaults to 10. The functions now take
one less argument. The old functions are still here, though
deprecated.
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Amended with small whitespace changes and removing an unused clause.
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Otherwise gen_tcp doesn't have enough time to connect.
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Provides detailed information about Ranch listeners
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Simplify some return values, improve error messages for
eaddrinuse and no_cert.
Amended to add tests and simpler code. Also hides the
contents of cert and key transport options, if any.
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Cert/certfile is no longer required if SNI options are provided.
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They are now properly documented and the listener name is
automatically specified thanks to a new ct_helper function.
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Merging because I have to do other work but this is still a
nice enough improvement.
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Order of options in listen is undocumented but significant. Now user option will
replace default value if user set it.
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Implements the `shutdown` option as documented previously.
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Doing this in the connection process allows us to free acceptors
to start accepting more connections quicker, especially under load.
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Adds offset based sendfile to transports. Same behaviour as
file:sendfile/4,/5 except socket and file arguments are reversed and
either a raw file or a filename can be used.
sendfile/2,/4,/5 now compulsory callbacks in ranch_transport.
ranch_tcp:sendfile/2 now defaults to a chunk_size of 8191 - the default
for ranch_ssl:sendfile/2. The same default is used for both
ranch_tcp:sendfile/4,5 and ranch_ssl:sendfile/4,5.
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