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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<refentry id="dbus-test-tool.1">
  <refentryinfo>
    <copyright>
      <year>2015</year>
      <holder>Collabora Ltd.</holder>
    </copyright>
    <legalnotice>
      <para>This man page is distributed under the same terms as
        dbus-test-tool (GPL-2+). There is NO WARRANTY, to the extent
        permitted by law.</para>
    </legalnotice>
  </refentryinfo>

  <refmeta>
    <refentrytitle>dbus-test-tool</refentrytitle>
    <manvolnum>1</manvolnum>
    <refmiscinfo class="manual">User Commands</refmiscinfo>
    <refmiscinfo class="source">D-Bus</refmiscinfo>
    <refmiscinfo class="version">@DBUS_VERSION@</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>dbus-test-tool</refname>
    <refpurpose>D-Bus traffic generator and test tool</refpurpose>
  </refnamediv>

  <refsynopsisdiv id="synopsis">
    <cmdsynopsis>
      <command>dbus-test-tool</command>
      <arg choice="plain">black-hole</arg>
      <group choice="opt">
        <arg choice="plain">--session</arg>
        <arg choice="plain">--system</arg>
      </group>
      <arg choice="opt">--name=<replaceable>NAME</replaceable></arg>
      <arg choice="opt">--no-read</arg>
    </cmdsynopsis>

    <cmdsynopsis>
      <command>dbus-test-tool</command>
      <arg choice="plain">echo</arg>
      <group choice="opt">
        <arg choice="plain">--session</arg>
        <arg choice="plain">--system</arg>
      </group>
      <arg choice="opt">--name=<replaceable>NAME</replaceable></arg>
      <arg choice="opt">--sleep-ms=<replaceable>MS</replaceable></arg>
    </cmdsynopsis>

    <cmdsynopsis>
      <command>dbus-test-tool</command>
      <arg choice="plain">spam</arg>
      <group choice="opt">
        <arg choice="plain">--session</arg>
        <arg choice="plain">--system</arg>
      </group>
      <arg choice="opt">--dest=<replaceable>NAME</replaceable></arg>
      <arg choice="opt">--count=<replaceable>N</replaceable></arg>
      <arg choice="opt">--flood</arg>
      <arg choice="opt">--ignore-errors</arg>
      <arg choice="opt">--messages-per-conn=<replaceable>N</replaceable></arg>
      <arg choice="opt">--no-reply</arg>
      <arg choice="opt">--queue=<replaceable>N</replaceable></arg>
      <arg choice="opt">--seed=<replaceable>SEED</replaceable></arg>
      <group choice="opt">
        <arg choice="plain">--string</arg>
        <arg choice="plain">--bytes</arg>
        <arg choice="plain">--empty</arg>
      </group>
      <group choice="opt">
        <arg choice="plain">--payload=<replaceable>S</replaceable></arg>
        <arg choice="plain">--stdin</arg>
        <arg choice="plain">--message-stdin</arg>
        <arg choice="plain">--random-size</arg>
      </group>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1 id="description">
    <title>DESCRIPTION</title>
    <para><command>dbus-test-tool</command> is a multi-purpose tool
      for debugging and profiling D-Bus.</para>

    <para><command>dbus-test-tool black-hole</command>
      connects to D-Bus, optionally requests a name, then does not
      reply to messages. It normally reads and discards messages from
      its D-Bus socket, but can be configured to sleep forever without
      reading.</para>

    <para><command>dbus-test-tool echo</command>
      connects to D-Bus, optionally requests a name, then sends back an
      empty reply to every method call, after an optional delay.</para>

    <para><command>dbus-test-tool spam</command>
      connects to D-Bus and makes repeated method calls,
      normally named <literal>com.example.Spam</literal>.</para>
  </refsect1>

  <refsect1 id="options">
    <title>OPTIONS</title>
    <refsect2>
      <title>Common options</title>
      <variablelist remap="TP">

        <varlistentry>
          <term><option>--session</option></term>
          <listitem>
            <para>Connect to the session bus. This is the default.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--system</option></term>
          <listitem>
            <para>Connect to the system bus.</para>
          </listitem>
        </varlistentry>

      </variablelist>
    </refsect2>

    <refsect2>
      <title>black-hole mode</title>
      <variablelist remap="TP">

        <varlistentry>
          <term><option>--name=</option><replaceable>NAME</replaceable></term>
          <listitem>
            <para>Before proceeding, request ownership of the well-known
              bus name <replaceable>NAME</replaceable>, for example
              <literal>com.example.NoReply</literal>. By default,
              no name is requested, and the tool can only be addressed by
              a unique bus name such as <literal>:1.23</literal>.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--no-read</option></term>
          <listitem>
            <para>Do not read from the D-Bus socket.</para>
          </listitem>
        </varlistentry>

      </variablelist>
    </refsect2>

    <refsect2>
      <title>echo mode</title>
      <variablelist remap="TP">

        <varlistentry>
          <term><option>--name=</option><replaceable>NAME</replaceable></term>
          <listitem>
            <para>Before proceeding, request ownership of the well-known
              bus name <replaceable>NAME</replaceable>, for example
              <literal>com.example.Echo</literal>. By default,
              no name is requested, and the tool can only be addressed by
              a unique bus name such as <literal>:1.23</literal>.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--sleep-ms=</option><replaceable>MS</replaceable></term>
          <listitem>
            <para>Block for <replaceable>MS</replaceable> milliseconds
              before replying to a method call.</para>
          </listitem>
        </varlistentry>

      </variablelist>
    </refsect2>

    <refsect2>
      <title>spam mode</title>
      <variablelist remap="TP">

        <varlistentry>
          <term><option>--dest=</option><replaceable>NAME</replaceable></term>
          <listitem>
            <para>Send method calls to the well-known or unique
              bus name <replaceable>NAME</replaceable>.
              The default is the dbus-daemon,
              <literal>org.freedesktop.DBus</literal>.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--count=</option><replaceable>N</replaceable></term>
          <listitem>
            <para>Send <replaceable>N</replaceable> method calls in total.
              The default is 1.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--queue=</option><replaceable>N</replaceable></term>
          <listitem>
            <para>Send <replaceable>N</replaceable> method calls before
              waiting for any replies, then send one new call per reply
              received, keeping <replaceable>N</replaceable> method calls
              "in flight" at all times until the number of messages specified
              with the <option>--count</option> option have been sent.
              The default is 1, unless <option>--flood</option>
              is used.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--flood</option></term>
          <listitem>
            <para>Send all messages without waiting for a reply,
              equivalent to <option>--queue</option> with an arbitrarily
              large <replaceable>N</replaceable>.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--no-reply</option></term>
          <listitem>
            <para>Set the "no reply desired" flag on the messages.
              This implies <option>--flood</option>, since it disables
              the replies that would be used for a finite
              <option>--queue</option> length.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--messages-per-conn=</option><replaceable>N</replaceable></term>
          <listitem>
            <para>If given, send <replaceable>N</replaceable> method calls
              on the same connection, then disconnect and reconnect.
              The default is to use the same connection for all method
              calls.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--string</option></term>
          <listitem>
            <para>The payload of each message is a UTF-8 string. This is the
              default. The actual string used is given by the
              <option>--payload</option> or <option>--stdin</option>
              option, defaulting to "hello, world!".</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--bytes</option></term>
          <listitem>
            <para>The payload of each message is a byte-array.
              The actual bytes used are given by the
              <option>--payload</option> or <option>--stdin</option>
              option, defaulting to the ASCII encoding of
              "hello, world!".</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--empty</option></term>
          <listitem>
            <para>The messages have no payload.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--payload=</option><replaceable>S</replaceable></term>
          <listitem>
            <para>Use <replaceable>S</replaceable> as the
              <option>--string</option> or <option>--bytes</option>
              in the messages. The default is "hello, world!".</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--stdin</option></term>
          <listitem>
            <para>Read from standard input until end-of-file is reached,
              and use that as the <option>--string</option> or
              <option>--bytes</option> in the messages.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--message-stdin</option></term>
          <listitem>
            <para>Read a complete binary D-Bus method call message from
              standard input, and use that for each method call.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--random-size</option></term>
          <listitem>
            <para>Read whitespace-separated ASCII decimal numbers from
              standard input, choose one at random for each message,
              and send a message whose payload is a string of that
              length.</para>
          </listitem>
        </varlistentry>

        <varlistentry>
          <term><option>--seed=</option><replaceable>SEED</replaceable></term>
          <listitem>
            <para>Use <replaceable>SEED</replaceable> as the seed
              for the pseudorandom number generator, to have somewhat
              repeatable sequences of random messages.</para>
          </listitem>
        </varlistentry>

      </variablelist>
    </refsect2>
  </refsect1>

  <refsect1 id="bugs">
    <title>BUGS</title>
      <para>Please send bug reports to the D-Bus bug tracker or mailing list.
        See <ulink url="http://www.freedesktop.org/software/dbus/">http://www.freedesktop.org/software/dbus/</ulink>.</para>
  </refsect1>

  <refsect1 id="see_also">
    <title>SEE ALSO</title>
    <para><citerefentry><refentrytitle>dbus-send</refentrytitle><manvolnum>1</manvolnum></citerefentry></para>
  </refsect1>
</refentry>
