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diff --git a/doc/afb-overview.html b/doc/afb-overview.html index 15331282..cfb5de75 100644 --- a/doc/afb-overview.html +++ b/doc/afb-overview.html @@ -8,7 +8,7 @@ <h1>Overview of AFB-DAEMON</h1> <pre><code>version: 1 -Date: 29 mai 2016 +Date: 30 mai 2016 Author: José Bollo </code></pre> @@ -16,6 +16,14 @@ Author: José Bollo <li><a href="#Overview.of.AFB-DAEMON">Overview of AFB-DAEMON</a> <ul> <li><a href="#Roles.of.afb-daemon">Roles of afb-daemon</a></li> + <li><a href="#Use.cases.of.the.binder.afb-daemon">Use cases of the binder afb-daemon</a> + <ul> + <li><a href="#Remotely.running.application">Remotely running application</a></li> + <li><a href="#Adding.native.features.to.HTML5.QML.applications">Adding native features to HTML5/QML applications</a></li> + <li><a href="#Offering.services.to.the.system">Offering services to the system</a></li> + </ul> + </li> + <li><a href="#The.plugins.of.the.binder.afb-daemon">The plugins of the binder afb-daemon</a></li> </ul> </li> </ul></p> @@ -33,6 +41,8 @@ an application to the AGL framework and AGL system.</p> <p>On the following figure, you can use a typical use of afb-daemon:</p> +<p><a id="binder-fig-basis"><h4>Figure: binder afb-daemon, basis</h4></a></p> + <pre><code>. . . . . . . . . . . . . . . . . . . . . . . . . . . Isolated security context . . . @@ -45,6 +55,7 @@ of afb-daemon:</p> . | . . +-------------------+----------------------+ . . | : | . +. | b i n d e r : | . . | A F B - D A E M O N : PLUGINS | . . | : | . . +-------------------+----------------------+ . @@ -68,5 +79,139 @@ system through the binder.</p> to security enforcement for accessing hardware ressources or for speeding parts of algorithm.</p></li> </ol> + + +<a name="Use.cases.of.the.binder.afb-daemon"></a> +<h2>Use cases of the binder afb-daemon</h2> + +<p>This section tries to give a better understanding of the binder +usage through several use cases.</p> + +<a name="Remotely.running.application"></a> +<h3>Remotely running application</h3> + +<p>One of the most interresting aspect of using the binder afb-daemon +is the ability to run applications remotely. This feature is +possible because the binder afb-daemon implements native web +protocols.</p> + +<p>So the <a href="#binder-fig-1">figure binder, basis</a> would become +when the application is run remotely:</p> + +<p><a id="binder-fig-remote"><h4>Figure: binder afb-daemon and remotely running application</h4></a></p> + +<pre><code> +------------------------------+ + | | + | A P P L I C A T I O N | + | | + +--------------+---------------+ + | + ~ ~ ~ ~ ~ ~ + : NETWORK : + ~ ~ ~ ~ ~ ~ + | +. . . . . . . . . . . . . . | . . . . . . . . . . . . . . +. Isolated security | . +. context | . +. | . +. . . . . . . . . . . . . . . . . . . . . . . . . . +. . . . +. . F I R E W A L L . . +. . . . +. . . . . . . . . . . . . . . . . . . . . . . . . . +. | . +. +-------------------+----------------------+ . +. | : | . +. | A F B - D A E M O N : PLUGINS | . +. | : | . +. +-------------------+----------------------+ . +. | . +. . . . . . . . . . . . . . | . . . . . . . . . . . . . . + | + v + AGL SYSTEM +</code></pre> + +<a name="Adding.native.features.to.HTML5.QML.applications"></a> +<h3>Adding native features to HTML5/QML applications</h3> + +<p>Applications can provide with their packaged delivery a plugin. +That plugin will be instanciated for each application instance. +The methods of the plugin will be accessible by applications and +will be excuted within the security context.</p> + +<a name="Offering.services.to.the.system"></a> +<h3>Offering services to the system</h3> + +<p>It is possible to run the binder afb-daemon as a daemon that provides the +API of its plugins.</p> + +<p>This will be used for:</p> + +<ol> +<li><p>offering common APIs</p></li> +<li><p>provide application’s services (services provided as application)</p></li> +</ol> + + +<p>In that case, the figure showing the whole aspects is</p> + +<p><a id="binder-fig-remote"><h4>Figure: binder afb-daemon for services</h4></a></p> + +<pre><code>. . . . . . . . . . . . . . . . . . . . . . +. Isolated security context application . +. . +. +------------------------------+ . +. | | . +. | A P P L I C A T I O N | . +. | | . +. +--------------+---------------+ . . . . . . . . . . . . . . . . . . . . . . . +. | . . Isolated security context A . +. | . . . +. +-----------------+------------------+ . . +------------------------------------+ . +. | : | . . | : | . +. | b i n d e r : | . . | b i n d e r : service | . +. | A F B - D A E M O N : PLUGINS | . . | A F B - D A E M O N : PLUGINS | . +. | : | . . | : A | . +. +-----------------+------------------+ . . +-----------------+------------------+ . +. | . . | . +. . . . . . . . . . | . . . . . . . . . . . . . . . . . . . . . | . . . . . . . . . . . + | | + v v + ================================================================================ + D - B U S & C Y N A R A + ================================================================================ + ^ ^ + | | +. . . . . . . . . . | . . . . . . . . . . . . . . . . . . . . . | . . . . . . . . . . . +. | . . | . +. +-----------------+------------------+ . . +-----------------+------------------+ . +. | : | . . | : | . +. | b i n d e r : service | . . | b i n d e r : service | . +. | A F B - D A E M O N : PLUGINS | . . | A F B - D A E M O N : PLUGINS | . +. | : B | . . | : C | . +. +------------------------------------+ . . +------------------------------------+ . +. . . . +. Isolated security context B . . Isolated security context C . +. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +</code></pre> + +<a name="The.plugins.of.the.binder.afb-daemon"></a> +<h2>The plugins of the binder afb-daemon</h2> + +<p>The binder can instanciate plugins. The primary use of plugins +is to add native methods that can be accessed by applications +written with any language through web technologies ala JSON RPC.</p> + +<p>This simple idea is declined to serves multiple purposes:</p> + +<ol> +<li><p>add native feature to applications</p></li> +<li><p>add common API available by any applications</p></li> +<li><p>provide customers services</p></li> +</ol> + + +<p>A specific document shows</p> </body> </html> |