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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE erlref SYSTEM "erlref.dtd">
<erlref>
<header>
<copyright>
<year>2010</year><year>2016</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
</legalnotice>
<title>unix_telnet</title>
<prepared></prepared>
<responsible></responsible>
<docno></docno>
<approved></approved>
<checked></checked>
<date></date>
<rev>A</rev>
<file>unix_telnet.xml</file>
</header>
<module>unix_telnet</module>
<modulesummary>Callback module for ct_telnet, for connecting to a Telnet
server on a UNIX host.</modulesummary>
<description>
<p>Callback module for
<seealso marker="ct_telnet"><c>ct_telnet</c></seealso>,
for connecting to a Telnet server on a UNIX host.</p>
<p>It requires the following entry in the configuration file:</p>
<pre>
{unix,[{telnet,HostNameOrIpAddress},
{port,PortNum}, % optional
{username,UserName},
{password,Password},
{keep_alive,Bool}]}. % optional</pre>
<p>To communicate through Telnet to the host specified by
<c>HostNameOrIpAddress</c>, use the interface functions in
<seealso marker="ct_telnet"><c>ct_telnet</c></seealso>, for example,
<c>open(Name)</c> and <c>cmd(Name,Cmd)</c>.</p>
<p><c>Name</c> is the name you allocated to the Unix host in your
<c>require</c> statement, for example:</p>
<pre>
suite() -> [{require,Name,{unix,[telnet]}}].</pre>
<p>or</p>
<pre>
ct:require(Name,{unix,[telnet]}).</pre>
<p>The "keep alive" activity (that is, that <c>Common Test</c> sends NOP
to the server every 10 seconds if the connection is idle) can be
enabled or disabled for one particular connection as described here.
It can be disabled for all connections using <c>telnet_settings</c>
(see <seealso marker="ct_telnet"><c>ct_telnet</c></seealso>).</p>
<p>The <c>{port,PortNum}</c> tuple is optional and if omitted, default
Telnet port 23 is used. Also the <c>keep_alive</c> tuple is optional,
and the value defauls to <c>true</c> (enabled).</p>
</description>
<funcs>
<func>
<name since="OTP 18.3.3">connect(ConnName, Ip, Port, Timeout, KeepAlive, TCPNoDelay, Extra) -> {ok, Handle} | {error, Reason}</name>
<fsummary>Callback for ct_telnet.erl.</fsummary>
<type>
<v>ConnName = target_name()</v>
<v>Ip = string() | {integer(), integer(), integer(), integer()}</v>
<v>Port = integer()</v>
<v>Timeout = integer()</v>
<v>KeepAlive = bool()</v>
<v>TCPNoDelay = bool()</v>
<v>Extra = target_name() | {Username, Password}</v>
<v>Username = string()</v>
<v>Password = string()</v>
<v>Handle = handle()</v>
<v>Reason = term()</v>
</type>
<desc><marker id="connect-6"/>
<p>Callback for <c>ct_telnet.erl</c>.</p>
<p>Setup Telnet connection to a Unix host.</p>
<p>For <c>target_name()</c>, see
<seealso marker="ct"><c>ct</c></seealso>. For <c>handle()</c>, see
<seealso marker="ct_telnet"><c>ct_telnet</c></seealso>.</p>
</desc>
</func>
<func>
<name>get_prompt_regexp() -> PromptRegexp</name>
<fsummary>Callback for ct_telnet.erl.</fsummary>
<type>
<v>PromptRegexp = prompt_regexp()</v>
</type>
<desc><marker id="get_prompt_regexp-0"/>
<p>Callback for <c>ct_telnet.erl</c>.</p>
<p>Returns a suitable <c>regexp</c> string matching common prompts
for users on Unix hosts.</p>
<p>For <c>prompt_regexp()</c>, see
<seealso marker="ct_telnet"><c>ct_telnet</c></seealso>.</p>
</desc>
</func>
</funcs>
<section>
<title>See Also</title>
<p><seealso marker="ct"><c>ct</c></seealso>,
<seealso marker="ct_telnet"><c>ct_telnet</c></seealso></p>
</section>
</erlref>
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