1、编译后，由于没有进行配置，默认是无法运行的。
为了可以正常运行，增加或修改下面的配置文件即可。
/etc/dbus-1.0/system-local.conf
/p>
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
system
messagebus
/usr/lib/dbus-1.0/dbus-daemon-launch-helper
/var/run/dbus/pid
EXTERNAL
unix:path=/var/run/dbus/system_bus_socket
send_interface="org.freedesktop.DBus"
send_member="UpdateActivationEnvironment"/>
send_interface="org.freedesktop.systemd1.Activator"/>
send_interface="org.freedesktop.systemd1.Activator"/>
system.d
contexts/dbus_contexts
2、测试消息发送
服务端：
$./testdbus_s.bin receive
Listening for signals
Match rule sent
Got Signal with value: Hello
Got Signal with value: Hi
Bye......
客户端：
$./testdbus_s.bin send Hello
Sending signal with value: Hello
Signal Sent
$./testdbus_s.bin send Hi
Sending signal with value: Hi
Signal Sent
$./testdbus_s.bin send Bye
Sending signal with value: Bye
Signal Sent
3、测试方法调用
服务端：
$./testdbus_s.bin listen
Listening for method calls
Method Invoked with value: Hello
Method Invoked with value: Hi
Bye......
客户端：
$./testdbus_s.bin query Hello
Calling remote method with Hello
Request Sent
Got Reply: 1, 21614
$./testdbus_s.bin query Hi
Calling remote method with Hi
Request Sent
Got Reply: 1, 21614
$./testdbus_s.bin query Bye
Calling remote method with Bye
Request Sent
Got Reply: 1, 21614
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