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| author |   José Bollo <jose.bollo@iot.bzh> | 2016-10-26 18:24:13 +0200 |
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| committer | José Bollo <jose.bollo@iot.bzh> | 2016-10-28 15:35:02 +0200 |
| commit | 4a1409460a7c0a5d26fe10b5f84368b3cb8b8b5a (patch) | |
| tree | 2ebad5e0b1eca2729c2eda6c1fe029d8e1baef13 /doc/afm-system-daemon.html | |
| parent | 27bb304eee3485c73e1be677fbc820591bacc2f9 (diff) | |
doc: switch to mkdocs
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
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diff --git a/doc/afm-system-daemon.html b/doc/afm-system-daemon.html deleted file mode 100644 index 199bf38..0000000 --- a/doc/afm-system-daemon.html +++ /dev/null @@ -1,153 +0,0 @@ -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <meta name="generator" content="pandoc"> - <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes"> - <meta name="author" content="José Bollo"> - <meta name="author" content="Fulup Ar Foll"> - <title>The afm-system-daemon</title> - <style type="text/css">code{white-space: pre;}</style> - <link rel="stylesheet" href="doc.css"> - <!--[if lt IE 9]> - <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script> - <![endif]--> -</head> -<body> -<header> -<h1 class="title">The afm-system-daemon</h1> -<h2 class="author">José Bollo</h2> -<h2 class="author">Fulup Ar Foll</h2> -<h3 class="date">24 juin 2016</h3> -</header> -<nav id="TOC"> -<ul> -<li><a href="#the-afm-system-daemon">The afm-system-daemon</a><ul> -<li><a href="#foreword">Foreword</a></li> -<li><a href="#introduction">Introduction</a></li> -<li><a href="#starting-afm-system-daemon">Starting <strong>afm-system-daemon</strong></a></li> -<li><a href="#the-d-bus-interface">The D-Bus interface</a><ul> -<li><a href="#overview-of-the-dbus-interface">Overview of the dbus interface</a></li> -<li><a href="#the-protocol-over-d-bus">The protocol over D-Bus</a></li> -</ul></li> -</ul></li> -</ul> -</nav> -<h1 id="the-afm-system-daemon">The afm-system-daemon</h1> -<h2 id="foreword">Foreword</h2> -<p>This document describes application framework system daemon fundamentals. FCF (Fully Conform to Specification) implementation is still under development. It may happen that current implementation somehow diverges with specifications.</p> -<h2 id="introduction">Introduction</h2> -<p>The daemon <strong>afm-system-daemon</strong> is in charge of installing applications on AGL system. Its main tasks are:</p> -<ul> -<li><p>installs applications and setup security framework for newly installed application.</p></li> -<li><p>uninstall applications</p></li> -</ul> -<p>The <strong>afm-system-daemon</strong> takes its orders from system instance of D-Bus.</p> -<p>The figure below summarizes the situation of <strong>afm-system-daemon</strong> in the system.</p> -<pre><code>+------------------------------------------------------------+ -| User | -| | -| +-------------------------------------------------+ | -| | | | -| | afm-user-daemon | | -| | | | -| +----------+----------------------+----------+----+ | -| | | : | -| | | : | -:================|======================|==========:=========: -| | | : | -| +----------+----------+ +-----+-----+ : | -| | D-Bus system +-----+ CYNARA | : | -| +----------+----------+ +-----+-----+ : | -| | | : | -| +----------+---------+ +-------+----------+----+ | -| | afm-system-daemon +----+ SECURITY-MANAGER | | -| +--------------------+ +-----------------------+ | -| | -| System | -+------------------------------------------------------------+</code></pre> -<h2 id="starting-afm-system-daemon">Starting <strong>afm-system-daemon</strong></h2> -<p><strong>afm-system-daemon</strong> is launched as a <strong>systemd</strong> service attached to system. Normally, the service file is located at /lib/systemd/system/afm-system-daemon.service.</p> -<p>The options for launching <strong>afm-system-daemon</strong> are:</p> -<pre><code>-r ---root directory - - Set the root application directory. - - Note that the default root directory is defined - to be /usr/share/afm/applications (may change). - --d ---daemon - - Daemonizes the process. It is not needed by sytemd. - --q ---quiet - - Reduces the verbosity (can be repeated). - --v ---verbose - - Increases the verbosity (can be repeated). - --h ---help - - Prints a short help.</code></pre> -<h2 id="the-d-bus-interface">The D-Bus interface</h2> -<h3 id="overview-of-the-dbus-interface">Overview of the dbus interface</h3> -<p><strong><em>afm-system-daemon</em></strong> takes its orders from the session instance of D-Bus. The use of D-Bus is great because it allows to implement discovery and signaling.</p> -<p>The <strong>afm-system-daemon</strong> is listening with the destination name <strong><em>org.AGL.afm.system</em></strong> at the object of path <strong><em>/org/AGL/afm/system</em></strong> on the interface <strong><em>org.AGL.afm.system</em></strong> for the below detailed members <strong><em>install</em></strong> and <strong><em>uninstall</em></strong>.</p> -<p>D-Bus is mainly used for signaling and discovery. Its optimized typed protocol is not used except for transmitting only one string in both directions.</p> -<p>The client and the service are using JSON serialization to exchange data.</p> -<p>The D-Bus interface is defined by:</p> -<ul> -<li><p>DESTINATION: <strong>org.AGL.afm.system</strong></p></li> -<li><p>PATH: <strong>/org/AGL/afm/system</strong></p></li> -<li><p>INTERFACE: <strong>org.AGL.afm.system</strong></p></li> -</ul> -<p>The signature of any member of the interface is <strong><em>string -> string</em></strong> for <strong><em>JSON -> JSON</em></strong>.</p> -<p>This is the normal case. In case of error, the current implementation returns a dbus error that is a string.</p> -<p>Here is an example using <em>dbus-send</em> to query data on installed applications.</p> -<pre><code>dbus-send --session --print-reply \ - --dest=org.AGL.afm.system \ - /org/AGL/afm/system \ - org.AGL.afm.system.install 'string:"/tmp/appli.wgt"'</code></pre> -<h3 id="the-protocol-over-d-bus">The protocol over D-Bus</h3> -<hr /> -<h4 id="method-org.agl.afm.system.install">Method org.AGL.afm.system.install</h4> -<p><strong>Description</strong>: Install an application from a widget file.</p> -<p>When an application with the same <em>id</em> and <em>version</em> already exists. Outside of using <em>force=true</em> the application is not reinstalled.</p> -<p>Applications are installed the subdirectories of applications common directory. If <em>root</em> is specified, the application is installed under the sub-directories of the <em>root</em> defined.</p> -<p>Note that this methods is a simple accessor method of <strong><em>org.AGL.afm.system.install</em></strong> from <strong><em>afm-system-daemon</em></strong>.</p> -<p>After the installation and before returning to the sender, <strong><em>afm-system-daemon</em></strong> sends a signal <strong><em>org.AGL.afm.system.changed</em></strong>.</p> -<p><strong>Input</strong>: The <em>path</em> of the widget file to install and, optionally, a flag to <em>force</em> reinstallation, and, optionally, a <em>root</em> directory.</p> -<p>Either just a string being the absolute path of the widget file:</p> -<pre><code>"/a/path/driving/to/the/widget"</code></pre> -<p>Or an object:</p> -<pre><code>{ - "wgt": "/a/path/to/the/widget", - "force": false, - "root": "/a/path/to/the/root" -}</code></pre> -<p>"wgt" and "root" must be absolute paths.</p> -<p><strong>output</strong>: An object with the field "added" being the string for the id of the added application.</p> -<pre><code>{"added":"appli@x.y"}</code></pre> -<hr /> -<h4 id="method-org.agl.afm.system.uninstall">Method org.AGL.afm.system.uninstall</h4> -<p><strong>Description</strong>: Uninstall an application from its id.</p> -<p>Note that this methods is a simple method accessor of <strong><em>org.AGL.afm.system.uninstall</em></strong> from <strong><em>afm-system-daemon</em></strong>.</p> -<p>After the uninstallation and before returning to the sender, <strong><em>afm-system-daemon</em></strong> sends a signal <strong><em>org.AGL.afm.system.changed</em></strong>.</p> -<p><strong>Input</strong>: the <em>id</em> of the application and optionally the application <em>root</em> path.</p> -<p>Either a string:</p> -<pre><code>"appli@x.y"</code></pre> -<p>Or an object:</p> -<pre><code>{ - "id": "appli@x.y", - "root": "/a/path/to/the/root" -}</code></pre> -<p><strong>output</strong>: the value 'true'.</p> -</body> -</html> |