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<a name="eds-EBackend"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="eds-EBackend.top_of_page"></a>EBackend</span></h2>
<p>EBackend — An abstract base class for backends</p>
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<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="eds-EBackend.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-get-online" title="e_backend_get_online ()">e_backend_get_online</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-set-online" title="e_backend_set_online ()">e_backend_set_online</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-ensure-online-state-updated" title="e_backend_ensure_online_state_updated ()">e_backend_ensure_online_state_updated</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="returnvalue">ESource</span></a> *
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-get-source" title="e_backend_get_source ()">e_backend_get_source</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gio/GSocketConnectable.html"><span class="returnvalue">GSocketConnectable</span></a> *
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-ref-connectable" title="e_backend_ref_connectable ()">e_backend_ref_connectable</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-set-connectable" title="e_backend_set_connectable ()">e_backend_set_connectable</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><span class="returnvalue">GMainContext</span></a> *
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-ref-main-context" title="e_backend_ref_main_context ()">e_backend_ref_main_context</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">struct <a class="link" href="eds-EUserPrompter.html#EUserPrompter" title="struct EUserPrompter"><span class="returnvalue">_EUserPrompter</span></a> *
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-get-user-prompter" title="e_backend_get_user_prompter ()">e_backend_get_user_prompter</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ETrustPromptResponse</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-trust-prompt-sync" title="e_backend_trust_prompt_sync ()">e_backend_trust_prompt_sync</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-trust-prompt" title="e_backend_trust_prompt ()">e_backend_trust_prompt</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ETrustPromptResponse</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-trust-prompt-finish" title="e_backend_trust_prompt_finish ()">e_backend_trust_prompt_finish</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-get-destination-address" title="e_backend_get_destination_address ()">e_backend_get_destination_address</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-is-destination-reachable" title="e_backend_is_destination_reachable ()">e_backend_is_destination_reachable</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-prepare-shutdown" title="e_backend_prepare_shutdown ()">e_backend_prepare_shutdown</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-credentials-required" title="e_backend_credentials_required ()">e_backend_credentials_required</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-credentials-required-finish" title="e_backend_credentials_required_finish ()">e_backend_credentials_required_finish</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-credentials-required-sync" title="e_backend_credentials_required_sync ()">e_backend_credentials_required_sync</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-schedule-authenticate" title="e_backend_schedule_authenticate ()">e_backend_schedule_authenticate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-schedule-credentials-required" title="e_backend_schedule_credentials_required ()">e_backend_schedule_credentials_required</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="eds-EBackend.html#e-backend-ensure-source-status-connected" title="e_backend_ensure_source_status_connected ()">e_backend_ensure_source_status_connected</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="eds-EBackend.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend">EBackend</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="eds-EBackend.html#EBackendClass" title="struct EBackendClass">EBackendClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="eds-EBackend.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libebackend/libebackend.h>
</pre>
</div>
<div class="refsect1">
<a name="eds-EBackend.description"></a><h2>Description</h2>
<p>An <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> is paired with an <a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="type">ESource</span></a> to facilitate performing
actions on the local or remote resource described by the <a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="type">ESource</span></a>.</p>
<p>In other words, whereas a certain backend type knows how to talk to a
certain type of server or data store, the <a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="type">ESource</span></a> fills in configuration
details such as host name, user name, resource path, etc.</p>
<p>All <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> instances are created by an <a class="link" href="eds-EBackendFactory.html#EBackendFactory" title="struct EBackendFactory"><span class="type">EBackendFactory</span></a>.</p>
</div>
<div class="refsect1">
<a name="eds-EBackend.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="e-backend-get-online"></a><h3>e_backend_get_online ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
e_backend_get_online (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Returns the online state of <em class="parameter"><code>backend</code></em>
: <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>backend</code></em>
is online,
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if offline.</p>
<p>If the <span class="type">“connectable”</span> property is non-<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the <em class="parameter"><code>backend</code></em>
will
automatically determine whether the network service should be reachable,
and hence whether the <em class="parameter"><code>backend</code></em>
is <span class="type">“online”</span>. But subclasses may
override the online state if, for example, a connection attempt fails.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.2.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.2.7"></a><h4>Returns</h4>
<p> the online state</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.4.html" title="Index of new symbols in 3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-set-online"></a><h3>e_backend_set_online ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_set_online (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> online</code></em>);</pre>
<p>Sets the online state of <em class="parameter"><code>backend</code></em>
: <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>backend</code></em>
is online,
<em class="parameter"><code>FALSE</code></em>
if offline.</p>
<p>If the <span class="type">“connectable”</span> property is non-<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the <em class="parameter"><code>backend</code></em>
will
automatically determine whether the network service should be reachable,
and hence whether the <em class="parameter"><code>backend</code></em>
is <span class="type">“online”</span>. But subclasses may
override the online state if, for example, a connection attempt fails.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.3.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>online</p></td>
<td class="parameter_description"><p>the online state</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3.4.html" title="Index of new symbols in 3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-ensure-online-state-updated"></a><h3>e_backend_ensure_online_state_updated ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_ensure_online_state_updated (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>);</pre>
<p>Makes sure that the "online" property is updated, that is, if there
is any destination reachability test pending, it'll be done immediately
and the only state will be updated as well.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> object, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.18</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-get-source"></a><h3>e_backend_get_source ()</h3>
<pre class="programlisting"><a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="returnvalue">ESource</span></a> *
e_backend_get_source (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Returns the <a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="type">ESource</span></a> to which <em class="parameter"><code>backend</code></em>
is paired.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.5.6"></a><h4>Returns</h4>
<p> the <a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="type">ESource</span></a> to which <em class="parameter"><code>backend</code></em>
is paired</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.4.html" title="Index of new symbols in 3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-ref-connectable"></a><h3>e_backend_ref_connectable ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gio/GSocketConnectable.html"><span class="returnvalue">GSocketConnectable</span></a> *
e_backend_ref_connectable (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Returns the socket endpoint for the network service to which <em class="parameter"><code>backend</code></em>
is a client, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>backend</code></em>
does not use network sockets.</p>
<p>The initial value of the <span class="type">“connectable”</span> property is derived from
the <a class="link" href="eds-ESourceAuthentication.html#ESourceAuthentication" title="struct ESourceAuthentication"><span class="type">ESourceAuthentication</span></a> extension of the <em class="parameter"><code>backend</code></em>
's <span class="type">“source”</span>
property, if the extension is present.</p>
<p>The returned <a href="/usr/share/gtk-doc/html/gio/GSocketConnectable.html"><span class="type">GSocketConnectable</span></a> is referenced for thread-safety and
must be unreferenced with <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a> when finished with it.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.6.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.6.8"></a><h4>Returns</h4>
<p> a <a href="/usr/share/gtk-doc/html/gio/GSocketConnectable.html"><span class="type">GSocketConnectable</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-set-connectable"></a><h3>e_backend_set_connectable ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_set_connectable (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GSocketConnectable.html"><span class="type">GSocketConnectable</span></a> *connectable</code></em>);</pre>
<p>Sets the socket endpoint for the network service to which <em class="parameter"><code>backend</code></em>
is
a client. This can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>backend</code></em>
does not use network sockets.</p>
<p>The initial value of the <span class="type">“connectable”</span> property is derived from
the <a class="link" href="eds-ESourceAuthentication.html#ESourceAuthentication" title="struct ESourceAuthentication"><span class="type">ESourceAuthentication</span></a> extension of the <em class="parameter"><code>backend</code></em>
's <span class="type">“source”</span>
property, if the extension is present.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.7.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>connectable</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gio/GSocketConnectable.html"><span class="type">GSocketConnectable</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-ref-main-context"></a><h3>e_backend_ref_main_context ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><span class="returnvalue">GMainContext</span></a> *
e_backend_ref_main_context (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Returns the <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><span class="type">GMainContext</span></a> on which event sources for <em class="parameter"><code>backend</code></em>
are to
be attached.</p>
<p>The returned <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><span class="type">GMainContext</span></a> is referenced for thread-safety and must be
unreferenced with <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#g-main-context-unref"><code class="function">g_main_context_unref()</code></a> when finished with it.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.8.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.8.7"></a><h4>Returns</h4>
<p> a <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><span class="type">GMainContext</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-get-user-prompter"></a><h3>e_backend_get_user_prompter ()</h3>
<pre class="programlisting">struct <a class="link" href="eds-EUserPrompter.html#EUserPrompter" title="struct EUserPrompter"><span class="returnvalue">_EUserPrompter</span></a> *
e_backend_get_user_prompter (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Gets an instance of <a class="link" href="eds-EUserPrompter.html#EUserPrompter" title="struct EUserPrompter"><span class="type">EUserPrompter</span></a>, associated with this <em class="parameter"><code>backend</code></em>
.</p>
<p>The returned instance is owned by the <em class="parameter"><code>backend</code></em>
.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.9.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.9.7"></a><h4>Returns</h4>
<p> an <a class="link" href="eds-EUserPrompter.html#EUserPrompter" title="struct EUserPrompter"><span class="type">EUserPrompter</span></a> instance. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-trust-prompt-sync"></a><h3>e_backend_trust_prompt_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">ETrustPromptResponse</span>
e_backend_trust_prompt_sync (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code>const <a class="link" href="eds-Main-Utility-Toolbox.html#ENamedParameters" title="ENamedParameters"><span class="type">ENamedParameters</span></a> *parameters</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Asks a user a trust prompt with given <em class="parameter"><code>parameters</code></em>
, and returns what
user responded. This blocks until the response is delivered.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.10.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parameters</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-Main-Utility-Toolbox.html#ENamedParameters" title="ENamedParameters"><span class="type">ENamedParameters</span></a> with values for the trust prompt</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p> optional <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> object, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.10.6"></a><h4>Returns</h4>
<p> an <span class="type">ETrustPromptResponse</span> what user responded</p>
<p>Note: The function can return also <code class="literal">E_TRUST_PROMPT_RESPONSE_UNKNOWN</code>,
it's on error or if user closes the trust prompt dialog with other
than the offered buttons. Usual behaviour in such case is to treat
it as a temporary reject.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-trust-prompt"></a><h3>e_backend_trust_prompt ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_trust_prompt (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code>const <a class="link" href="eds-Main-Utility-Toolbox.html#ENamedParameters" title="ENamedParameters"><span class="type">ENamedParameters</span></a> *parameters</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>Initiates a user trust prompt with given <em class="parameter"><code>parameters</code></em>
.</p>
<p>When the operation is finished, <em class="parameter"><code>callback</code></em>
will be called. You can then
call <a class="link" href="eds-EBackend.html#e-backend-trust-prompt-finish" title="e_backend_trust_prompt_finish ()"><code class="function">e_backend_trust_prompt_finish()</code></a> to get the result of the operation.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.11.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parameters</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-Main-Utility-Toolbox.html#ENamedParameters" title="ENamedParameters"><span class="type">ENamedParameters</span></a> with values for the trust prompt</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p> optional <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> object, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> to call when the request is satisfied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>data to pass to the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-trust-prompt-finish"></a><h3>e_backend_trust_prompt_finish ()</h3>
<pre class="programlisting"><span class="returnvalue">ETrustPromptResponse</span>
e_backend_trust_prompt_finish (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html"><span class="type">GAsyncResult</span></a> *result</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Finishes the operation started with <a class="link" href="eds-EBackend.html#e-backend-trust-prompt" title="e_backend_trust_prompt ()"><code class="function">e_backend_trust_prompt()</code></a>.
If an error occurred, the function will set <em class="parameter"><code>error</code></em>
and return
<code class="literal">E_TRUST_PROMPT_RESPONSE_UNKNOWN</code>.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.12.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html"><span class="type">GAsyncResult</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.12.6"></a><h4>Returns</h4>
<p> an <span class="type">ETrustPromptResponse</span> what user responded</p>
<p>Note: The function can return also <code class="literal">E_TRUST_PROMPT_RESPONSE_UNKNOWN</code>,
it's on error or if user closes the trust prompt dialog with other
than the offered buttons. Usual behaviour in such case is to treat
it as a temporary reject.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-get-destination-address"></a><h3>e_backend_get_destination_address ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
e_backend_get_destination_address (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **host</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> *port</code></em>);</pre>
<p>Provides destination server host name and port to which
the backend connects. This is used to determine required
connection point for <code class="function">e_backend_destination_is_reachable()</code>.
The <em class="parameter"><code>host</code></em>
is a newly allocated string, which will be freed
with <a href="/usr/share/gtk-doc/html/glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>. When <em class="parameter"><code>backend</code></em>
sets both <em class="parameter"><code>host</code></em>
and <em class="parameter"><code>port</code></em>
, then
it should return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, indicating it's a remote backend.
Default implementation returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, which is treated
like the backend is local, no checking for server reachability
is possible.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.13.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>host</p></td>
<td class="parameter_description"><p> destination server host name. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>port</p></td>
<td class="parameter_description"><p> destination server port. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.13.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, when it's a remote backend and provides both
<em class="parameter"><code>host</code></em>
and <em class="parameter"><code>port</code></em>
; <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-is-destination-reachable"></a><h3>e_backend_is_destination_reachable ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
e_backend_is_destination_reachable (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Checks whether the <em class="parameter"><code>backend</code></em>
's destination server, as returned
by <a class="link" href="eds-EBackend.html#e-backend-get-destination-address" title="e_backend_get_destination_address ()"><code class="function">e_backend_get_destination_address()</code></a>, is reachable.
If the <a class="link" href="eds-EBackend.html#e-backend-get-destination-address" title="e_backend_get_destination_address ()"><code class="function">e_backend_get_destination_address()</code></a> returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, this function
returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, meaning the destination is always reachable.
This uses <a href="/usr/share/gtk-doc/html/gio/GNetworkMonitor.html"><span class="type">GNetworkMonitor</span></a>'s <a href="/usr/share/gtk-doc/html/gio/GNetworkMonitor.html#g-network-monitor-can-reach"><code class="function">g_network_monitor_can_reach()</code></a>
for reachability tests.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.14.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> instance, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> for errors, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.14.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, when destination server address is reachable or
the backend doesn't provide destination address; <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if
the backend destination server cannot be reached currently.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3.8.html" title="Index of new symbols in 3.8">3.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-prepare-shutdown"></a><h3>e_backend_prepare_shutdown ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_prepare_shutdown (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Let's the <em class="parameter"><code>backend</code></em>
know that it'll be shut down shortly, no client connects
to it anymore. The <em class="parameter"><code>backend</code></em>
can free any resources which reference it, for
example the opened views.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.15.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 3.16</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-credentials-required"></a><h3>e_backend_credentials_required ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_credentials_required (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><span class="type">ESourceCredentialsReason</span> reason</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *certificate_pem</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/gio-TLS-Overview.html#GTlsCertificateFlags"><span class="type">GTlsCertificateFlags</span></a> certificate_errors</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *op_error</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>Asynchronously calls the <a class="link" href="eds-EBackend.html#e-backend-credentials-required-sync" title="e_backend_credentials_required_sync ()"><code class="function">e_backend_credentials_required_sync()</code></a> on the <em class="parameter"><code>backend</code></em>
,
to inform clients that credentials are required.</p>
<p>When the operation is finished, <em class="parameter"><code>callback</code></em>
will be called. You can then
call <a class="link" href="eds-EBackend.html#e-backend-credentials-required-finish" title="e_backend_credentials_required_finish ()"><code class="function">e_backend_credentials_required_finish()</code></a> to get the result of the operation.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.16.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reason</p></td>
<td class="parameter_description"><p>an <span class="type">ESourceCredentialsReason</span>, why the credentials are required</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certificate_pem</p></td>
<td class="parameter_description"><p>PEM-encoded secure connection certificate, or an empty string</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certificate_errors</p></td>
<td class="parameter_description"><p>a bit-or of <a href="/usr/share/gtk-doc/html/gio/gio-TLS-Overview.html#GTlsCertificateFlags"><span class="type">GTlsCertificateFlags</span></a> for secure connection certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>op_error</p></td>
<td class="parameter_description"><p> a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> with a description of the previous credentials error, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> object, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.16</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-credentials-required-finish"></a><h3>e_backend_credentials_required_finish ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
e_backend_credentials_required_finish (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html"><span class="type">GAsyncResult</span></a> *result</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Finishes the operation started with <a class="link" href="eds-EBackend.html#e-backend-credentials-required" title="e_backend_credentials_required ()"><code class="function">e_backend_credentials_required()</code></a>.</p>
<p>If an error occurs, the function sets <em class="parameter"><code>error</code></em>
and returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.17.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gio/GAsyncResult.html"><span class="type">GAsyncResult</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.17.7"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> on error</p>
</div>
<p class="since">Since: 3.16</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-credentials-required-sync"></a><h3>e_backend_credentials_required_sync ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
e_backend_credentials_required_sync (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><span class="type">ESourceCredentialsReason</span> reason</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *certificate_pem</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/gio-TLS-Overview.html#GTlsCertificateFlags"><span class="type">GTlsCertificateFlags</span></a> certificate_errors</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *op_error</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Synchronously lets the clients know that the backned requires credentials to be
properly opened. It's a proxy function for <a class="link" href="eds-ESource.html#e-source-invoke-credentials-required-sync" title="e_source_invoke_credentials_required_sync ()"><code class="function">e_source_invoke_credentials_required_sync()</code></a>,
where can be found more information about actual parameters meaning.</p>
<p>The provided credentials are received through EBackend::<code class="function">authenticate_sync()</code>
method asynchronously.</p>
<p>If an error occurs, the function sets <em class="parameter"><code>error</code></em>
and returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.18.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reason</p></td>
<td class="parameter_description"><p>an <span class="type">ESourceCredentialsReason</span>, why the credentials are required</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certificate_pem</p></td>
<td class="parameter_description"><p>PEM-encoded secure connection certificate, or an empty string</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certificate_errors</p></td>
<td class="parameter_description"><p>a bit-or of <a href="/usr/share/gtk-doc/html/gio/gio-TLS-Overview.html#GTlsCertificateFlags"><span class="type">GTlsCertificateFlags</span></a> for secure connection certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>op_error</p></td>
<td class="parameter_description"><p> a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> with a description of the previous credentials error, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> object, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.2.7.18.8"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> on error</p>
</div>
<p class="since">Since: 3.16</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-schedule-authenticate"></a><h3>e_backend_schedule_authenticate ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_schedule_authenticate (<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code>const <a class="link" href="eds-Main-Utility-Toolbox.html#ENamedParameters" title="ENamedParameters"><span class="type">ENamedParameters</span></a> *credentials</code></em>);</pre>
<p>Schedules a new authenticate session, cancelling any previously run.
This is usually done automatically, when an 'authenticate' signal is
received for the associated <a class="link" href="eds-ESource.html#ESource" title="struct ESource"><span class="type">ESource</span></a>. With <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> <em class="parameter"><code>credentials</code></em>
an attempt
without it is run.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.19.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>credentials</p></td>
<td class="parameter_description"><p> a credentials to use to authenticate, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.16</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-schedule-credentials-required"></a><h3>e_backend_schedule_credentials_required ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_schedule_credentials_required
(<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>,
<em class="parameter"><code><span class="type">ESourceCredentialsReason</span> reason</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *certificate_pem</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/gio-TLS-Overview.html#GTlsCertificateFlags"><span class="type">GTlsCertificateFlags</span></a> certificate_errors</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *op_error</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *who_calls</code></em>);</pre>
<p>Asynchronously invokes <a class="link" href="eds-EBackend.html#e-backend-credentials-required" title="e_backend_credentials_required ()"><code class="function">e_backend_credentials_required()</code></a>, but installs its
own callback which only prints a runtime warning on the console when
the call fails. The <em class="parameter"><code>who_calls</code></em>
is a prefix of the console message.
This is useful when the caller just wants to start the operation
without having actual place where to show the operation result.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.20.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reason</p></td>
<td class="parameter_description"><p>an <span class="type">ESourceCredentialsReason</span>, why the credentials are required</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certificate_pem</p></td>
<td class="parameter_description"><p>PEM-encoded secure connection certificate, or an empty string</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certificate_errors</p></td>
<td class="parameter_description"><p>a bit-or of <a href="/usr/share/gtk-doc/html/gio/gio-TLS-Overview.html#GTlsCertificateFlags"><span class="type">GTlsCertificateFlags</span></a> for secure connection certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>op_error</p></td>
<td class="parameter_description"><p> a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> with a description of the previous credentials error, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <a href="/usr/share/gtk-doc/html/gio/GCancellable.html"><span class="type">GCancellable</span></a> object, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>who_calls</p></td>
<td class="parameter_description"><p> an identification who calls this. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.16</p>
</div>
<hr>
<div class="refsect2">
<a name="e-backend-ensure-source-status-connected"></a><h3>e_backend_ensure_source_status_connected ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
e_backend_ensure_source_status_connected
(<em class="parameter"><code><a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> *backend</code></em>);</pre>
<p>Makes sure that the associated ESource::connection-status is connected. This is
useful in cases when the backend can connect to the destination without invoking
EBackend::authenticate_sync, possibly through <a class="link" href="eds-EBackend.html#e-backend-schedule-authenticate" title="e_backend_schedule_authenticate ()"><code class="function">e_backend_schedule_authenticate()</code></a>.</p>
<div class="refsect3">
<a name="id-1.4.2.2.7.21.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>backend</p></td>
<td class="parameter_description"><p>an <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 3.18</p>
</div>
</div>
<div class="refsect1">
<a name="eds-EBackend.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="EBackend"></a><h3>struct EBackend</h3>
<pre class="programlisting">struct EBackend {
};
</pre>
<p>Contains only private data that should be read and manipulated using the
functions below.</p>
<p class="since">Since: <a class="link" href="api-index-3.4.html" title="Index of new symbols in 3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="EBackendClass"></a><h3>struct EBackendClass</h3>
<pre class="programlisting">struct EBackendClass {
/* Methods */
gboolean (*get_destination_address)
(EBackend *backend,
gchar **host,
guint16 *port);
void (*prepare_shutdown) (EBackend *backend);
ESourceAuthenticationResult
(*authenticate_sync) (EBackend *backend,
const ENamedParameters *credentials,
gchar **out_certificate_pem,
GTlsCertificateFlags *out_certificate_errors,
GCancellable *cancellable,
GError **error);
};
</pre>
<p>Base class structure for the <a class="link" href="eds-EBackend.html#EBackend" title="struct EBackend"><span class="type">EBackend</span></a> class</p>
<div class="refsect3">
<a name="id-1.4.2.2.8.3.5"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="EBackendClass.get-destination-address"></a>get_destination_address</code></em> ()</p></td>
<td class="struct_member_description"><p>Fetch the destination address</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="EBackendClass.prepare-shutdown"></a>prepare_shutdown</code></em> ()</p></td>
<td class="struct_member_description"><p>Prepare for shutdown</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="EBackendClass.authenticate-sync"></a>authenticate_sync</code></em> ()</p></td>
<td class="struct_member_description"><p>Authenticate synchronously</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3.4.html" title="Index of new symbols in 3.4">3.4</a></p>
</div>
</div>
</div>
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