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authorErlang/OTP <[email protected]>2016-05-11 17:22:23 +0200
committerErlang/OTP <[email protected]>2016-05-11 17:22:23 +0200
commitbd64ad8e15d66e48b36dbe3584315dd5cfc8b59a (patch)
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@@ -30,6 +30,70 @@
<file>notes.xml</file>
</header>
+<section><title>Ssh 4.3</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Some time optimization mainly in message encoding.</p>
+ <p>
+ Own Id: OTP-13131</p>
+ </item>
+ <item>
+ <p>
+ Optimized the sftp client time by setting new packet and
+ window sizes.</p>
+ <p>
+ Own Id: OTP-13175</p>
+ </item>
+ <item>
+ <p>
+ The <c>ssh_connection_handler</c> module in SSH is
+ changed and now uses the new behaviour <c>gen_statem</c>. </p>
+ <p>
+ The module can be used as an example of a
+ <c>gen_statem</c> callback module but with a warning:
+ This commit of ssh is just a straightforward port from
+ gen_fsm to gen_statem with some code cleaning. Since the
+ state machine and the state callbacks are almost
+ unchanged the ssh module does not demonstrate the full
+ potential of the new behaviour.</p>
+ <p>
+ The "new" state machine uses compund states. The ssh
+ server and client state machines are quite similar but
+ differences exist. With <c>gen_fsm</c> there were flags
+ in the user data which in fact implemented "substates".
+ Now with <c>gen_statem</c> those are made explicit in the
+ state names, eg the state <c>userauth</c> and the binary
+ <c>role</c>-flag becomes the two state names
+ <c>{userauth, server}</c> and <c>{userauth, client}</c>.</p>
+ <p>
+ Own Id: OTP-13267</p>
+ </item>
+ <item>
+ <p>
+ The <c>{error, Reason}</c> tuples returned from
+ <c>ssh_sftp</c> api functions are described.</p>
+ <p>
+ Own Id: OTP-13347 Aux Id: ERL-86 </p>
+ </item>
+ <item>
+ <p>
+ It is now possible to call <c>ssh:daemon/{1,2,3}</c> with
+ <c>Port=0</c>. This makes the daemon select a free
+ listening tcp port before opening it. To find this port
+ number after the call, use the new function
+ <c>ssh:daemon_info/1</c>. See the reference manual for
+ details.</p>
+ <p>
+ Own Id: OTP-13527</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.2.2</title>
<section><title>Fixed Bugs and Malfunctions</title>