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DBUS-TEST-TOOL(1)                User Commands               DBUS-TEST-TOOL(1)

NAME
       dbus-test-tool - D-Bus traffic generator and test tool
SYNOPSIS
       dbus-test-tool black-hole [--session | --system] [--name=NAME]
                      [--no-read]
       dbus-test-tool echo [--session | --system] [--name=NAME]
                      [--sleep-ms=MS]
       dbus-test-tool spam [--session | --system] [--dest=NAME] [--count=N]
                      [--flood] [--ignore-errors] [--messages-per-conn=N]
                      [--no-reply] [--queue=N] [--seed=SEED] [--string |
                      --bytes | --empty] [--payload=S | --stdin |
                      --message-stdin | --random-size]
DESCRIPTION
       dbus-test-tool is a multi-purpose tool for debugging and profiling
       D-Bus.
       dbus-test-tool black-hole 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.
       dbus-test-tool echo connects to D-Bus, optionally requests a name, then
       sends back an empty reply to every method call, after an optional
       delay.
       dbus-test-tool spam connects to D-Bus and makes repeated method calls,
       normally named com.example.Spam.
OPTIONS
   Common options
       --session
           Connect to the session bus. This is the default.
       --system
           Connect to the system bus.
   black-hole mode
       --name=NAME
           Before proceeding, request ownership of the well-known bus name
           NAME, for example com.example.NoReply. By default, no name is
           requested, and the tool can only be addressed by a unique bus name
           such as :1.23.
       --no-read
           Do not read from the D-Bus socket.
   echo mode
       --name=NAME
           Before proceeding, request ownership of the well-known bus name
           NAME, for example com.example.Echo. By default, no name is
           requested, and the tool can only be addressed by a unique bus name
           such as :1.23.
       --sleep-ms=MS
           Block for MS milliseconds before replying to a method call.
   spam mode
       --dest=NAME
           Send method calls to the well-known or unique bus name NAME. The
           default is the dbus-daemon, org.freedesktop.DBus.
       --count=N
           Send N method calls in total. The default is 1.
       --queue=N
           Send N method calls before waiting for any replies, then send one
           new call per reply received, keeping N method calls "in flight" at
           all times until the number of messages specified with the --count
           option have been sent. The default is 1, unless --flood is used.
       --flood
           Send all messages without waiting for a reply, equivalent to
           --queue with an arbitrarily large N.
       --no-reply
           Set the "no reply desired" flag on the messages. This implies
           --flood, since it disables the replies that would be used for a
           finite --queue length.
       --messages-per-conn=N
           If given, send N method calls on the same connection, then
           disconnect and reconnect. The default is to use the same connection
           for all method calls.
       --string
           The payload of each message is a UTF-8 string. This is the default.
           The actual string used is given by the --payload or --stdin option,
           defaulting to "hello, world!".
       --bytes
           The payload of each message is a byte-array. The actual bytes used
           are given by the --payload or --stdin option, defaulting to the
           ASCII encoding of "hello, world!".
       --empty
           The messages have no payload.
       --payload=S
           Use S as the --string or --bytes in the messages. The default is
           "hello, world!".
       --stdin
           Read from standard input until end-of-file is reached, and use that
           as the --string or --bytes in the messages.
       --message-stdin
           Read a complete binary D-Bus method call message from standard
           input, and use that for each method call.
       --random-size
           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.
       --seed=SEED
           Use SEED as the seed for the pseudorandom number generator, to have
           somewhat repeatable sequences of random messages.
BUGS
       Please send bug reports to the D-Bus bug tracker or mailing list. See
       http://www.freedesktop.org/software/dbus/.
SEE ALSO
       dbus-send(1)
COPYRIGHT
       Copyright (C) 2015 Collabora Ltd.
       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.


D-Bus 1.10.24                     09/30/2020                 DBUS-TEST-TOOL(1)