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This builds on the new dbus role support to provide a minimal example proxy between ws and dbus. A client app is provided that asks the proxy to connect to libwebsockets.org and proxy the drawing data from the mirror example there back to the dbus client using dbus messages.
52 lines
2 KiB
Markdown
52 lines
2 KiB
Markdown
# lws minimal dbus ws proxy testclient
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This is a test client used to test `./minimal-examples/dbus-server/minimal-dbus-ws-proxy`
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It asks the minimal dbus ws proxy application to connect to libwebsockets.org
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over the mirror protocol. And it proxies back the ASCII packets used to
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communicate the mirror sample drawing vectors over dbus to this test client
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if you draw on the mirror example app at https://libwebsockets.org/testserver/
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in a browser.
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## build
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Using libdbus requires additional non-default include paths setting, same as
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is necessary for lws build described in ./lib/roles/dbus/README.md
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CMake can guess one path and the library name usually, see the README above
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for details of how to override for custom libdbus and cross build.
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Fedora example:
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```
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$ cmake .. -DLWS_DBUS_INCLUDE2="/usr/lib64/dbus-1.0/include"
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$ make
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```
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Ubuntu example:
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```
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$ cmake .. -DLWS_DBUS_INCLUDE2="/usr/lib/x86_64-linux-gnu/dbus-1.0/include"
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$ make
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```
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## usage
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Commandline option|Meaning
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---|---
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-d <loglevel>|Debug verbosity in decimal, eg, -d15
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This connects to the minimal-dbus-ws-proxy example running in another terminal.
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```
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$ ./lws-minimal-dbus-ws-proxy-testclient
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[2018/10/05 14:17:16:6286] USER: LWS minimal DBUS ws proxy testclient
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[2018/10/05 14:17:16:6538] NOTICE: Creating Vhost 'default' port 0, 1 protocols, IPv6 off
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[2018/10/05 14:17:16:6617] USER: create_dbus_client_conn: connecting to 'unix:abstract=org.libwebsockets.wsclientproxy'
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[2018/10/05 14:17:16:7189] NOTICE: create_dbus_client_conn: created OK
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[2018/10/05 14:17:16:7429] USER: remote_method_call: requesting proxy connection wss://libwebsockets.org/ lws-mirror-protocol
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[2018/10/05 14:17:17:0387] USER: pending_call_notify: received 'Connecting'
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[2018/10/05 14:17:18:7475] NOTICE: client_message_handler: (type 7) 'ws client connection established'
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[2018/10/05 14:17:21:2028] NOTICE: client_message_handler: (type 6) 'd #000000 323 63 323 67;'
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[2018/10/05 14:17:21:2197] NOTICE: client_message_handler: (type 6) 'd #000000 323 67 327 73;'
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...
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```
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