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DIAL



DIscovery And Launch—is a simple protocol that second-screen devices can use to discover and launch apps on first-screen devices.

DIAL page | DIAL protocol spec

Building the DIAL server

1) Define the TARGET environment variable to point to the CC compiler prefix for your target platform.

2) Run make, passing in your TARGET value.

   For example:
   TARGET=/usr/local/i686-DIAL-EXAMPLE/bin/i686-DIAL-EXAMPLE make

Running the DIAL server

The DIAL server should be started as a service, after the platform's networking has been initialized, and it should remain running at all times (a daemon process in the system).

Building the DIAL client

The DIAL client is a standalone C++ console application you can use to test a running DIAL server implementation on your device. Unlike the server, which is built for, and meant to run on your device, the client is meant to run on your desktop (development) machine.

The DIAL client uses CURL to send HTTP REST commands to the DIAL server, so to build the client, you need to ensure that the CURL dependencies are defined properly.

Alternatively, you can build against a different, current version of libcurl. Adjust the INCLUDES and LDFLAGS definitions to point to your actual libcurl header and library locations. In most cases, you can omit the TARGET define.

Note: the -rpath argument passed to LDFLAGS specifies the libcurl location to the runtime linker.

Running the DIAL client in interactive (menu) mode

1) The DIAL client application must be running in the same subnet as the DIAL server.

2) Start the client: ./dialclient (or ./dialclient -m) The on-screen menu will list all available actions.

Running the DIAL client in conformance test (non-interactive) mode

1) The DIAL client application must be running in the same subnet as the DIAL server.

2) Start the client: ./dialclient -i [input-file] [-o output-file] [-a server-IP-addr]

In script-driven mode, the client reads in an input-file, executes the instructions in the input-file, and generates a report. The default file locations (which can be overridden) are: ./dialclient_input.txt ./report.html

DIAL client Usage

When running the DIAL client, you have the following options ``` usage: dialclient

Option Parameter Description -h none Usage menu -m none Use menu -o filename Reporter output file (./report.html) -i filename Input File (./dialclientinput.txt) -a ipaddress IP addr of DIAL server (used for conformance testing) ``` If you do not provide an ip_address and multiple servers are discovered, the client will prompt you to select a server.

NEW: Node.js tests for DIAL server 2.1

Node.js tests to test DIAL server 2.1 implementation are now available under server/tests/js_tests. To run these tests againsts a DIAL server:

  1. Ensure that the DIAL server is discoverable from the test environment
  2. Install node in the test environment
  3. From the directory where the package.json is located (server/tests/js_tests), npm install

The tests themselves are located inside the server/tests/jstests/tests folder. The file tests.js is a batch runner and will run all the tests serially. It takes the following arguments: ``` server/tests/jstests/tests$ node tests.js

Usage: node tests.js[options]

Options: --host IP address of host on which DIAL server under test is running [string] [required] --application, --app Application to test [string] [required] --timeToWaitForStateChange, --ttw Time(ms) to wait between state changes before querying application status [string] [default: 5000] --help, -h Show help [boolean] ```

To run each test independently and not through tests.js, just call the appropriate test file name. ``` Example: server/tests/js_tests/tests$ node discoverServerUnderTest.js

Usage: node discoverServerUnderTest.js[options]

Options: --host IP address of host on which DIAL server under test is running [string] [required] --application, --app Application to test [string] [required] --help, -h Show help [boolean] ``` Log file of test run is written in jstestslog.txt in the server/tests/js_tests/tests folder.

This reference does not provide code for sleeping an app, so tests that involve sleeping an app will fail.

There is also a test suite for lightly testing how the implementation handles edge cases. this can be run with: ``` server/tests/js_tests/tests$ node testEdgeCases.js

Usage: node testEdgeCases.js[options]

Options: --host IP address of host on which DIAL server under test is running [string] [required] --help, -h Show help [boolean] ```

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