= ranch:handshake_continue(3)

== Name

ranch:handshake_continue - Resume the paused transport handshake

== Description

[source,erlang]
----
handshake_continue(Ref)       -> {ok, Socket}
handshake_continue(Ref, Opts) -> {ok, Socket}

Ref    :: ranch:ref()
Opts   :: any()
Socket :: any()
----

Resume the paused transport handshake.

This function must be called by the protocol process in order
to resume a paused handshake.

== Arguments

Ref::

The listener name.

Opts::

Transport handshake options.
+
Allowed options depend on the transport module.

== Return value

An `ok` tuple is returned containing the socket for the connection.

This function will trigger an exception when an error occurs.

== Changelog

* *2.0*: Function introduced.

== Examples

.Continue a paused transport handshake
[source,erlang]
----
start_link(Ref, Transport, Opts) ->
    Pid = proc_lib:spawn_link(?MODULE, init,
        [Ref, Transport, Opts]),
    {ok, Pid}.

init(Ref, Transport, Opts) ->
    {continue, _Info} = ranch:handshake(Ref),
    {ok, Socket} = ranch:handshake_continue(Ref),
    loop(#state{ref=Ref, socket=Socket,
        transport=Transport, opts=Opts}).
----

== See also

link:man:ranch:handshake(3)[ranch:handshake(3)],
link:man:ranch:handshake_cancel(3)[ranch:handshake_cancel(3)],
link:man:ranch(3)[ranch(3)]