dbus-test-tool1
D-bus traffic generator and test tool
Usage
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}]
Overview
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
--countoption have been sent. The default is 1, unless--floodis used.
-
--flood -
Send all messages without waiting for a reply, equivalent to
--queuewith 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--queuelength.
-
--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
--payloador--stdinoption, defaulting to "hello, world!".
-
--bytes -
The payload of each message is a byte-array. The actual bytes used are given by the
--payloador--stdinoption, defaulting to the ASCII encoding of "hello, world!".
-
--empty -
The messages have no payload.
-
--payload=S -
Use S as the
--stringor--bytesin the messages. The default is "hello, world!".
-
--stdin -
Read from standard input until end-of-file is reached, and use that as the
--stringor--bytesin 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.
Releases
6 releases since Debian 9 (Stretch); the text changed 5 times.