Logging options may be configured in config file

[yazpp-moved-to-github.git] / doc / yaz-proxy-ref.xml

diff --git a/doc/yaz-proxy-ref.xml b/doc/yaz-proxy-ref.xml
index c643b57..776f28a 100644 (file)
--- a/doc/yaz-proxy-ref.xml
+++ b/doc/yaz-proxy-ref.xml
@@ -10,25 +10,38 @@
  <cmdsynopsis>
   <command>yaz-proxy</command>
   <arg choice="opt">-a <replaceable>filename</replaceable></arg>
-  <arg choice="opt">-c <replaceable>num</replaceable></arg>
+  <arg choice="opt">-m <replaceable>num</replaceable></arg>
   <arg choice="opt">-v <replaceable>level</replaceable></arg>
   <arg choice="opt">-t <replaceable>target</replaceable></arg>
   <arg choice="opt">-u <replaceable>auth</replaceable></arg>
   <arg choice="opt">-o <replaceable>level</replaceable></arg>
   <arg choice="opt">-i <replaceable>seconds</replaceable></arg>
+  <arg choice="opt">-T <replaceable>seconds</replaceable></arg>
+  <arg choice="opt">-c <replaceable>config</replaceable></arg>
   <arg choice="req"><replaceable>host</replaceable>:<replaceable>port</replaceable></arg>
  </cmdsynopsis>
 </refsynopsisdiv>
    
 <refsect1><title>DESCRIPTION</title>
  <para>
-  The proxy runs stand-alone (not from
-  <literal>inetd</literal>). The
-  <replaceable>host</replaceable>:<replaceable>port</replaceable>
+  <command>yaz-proxy</command> is a Z39.50 optimizing proxy daemon.
+  The listening port must be specified on the command-line. 
+  <command>inetd</command> operation is not supported.
+  The <replaceable>host</replaceable>:<replaceable>port</replaceable>
   argument specifies host address to listen to, and the port to
   listen on.  Use the host <literal>@</literal>
   to listen for connections coming from any address.
  </para>
+ <para>
+  <command>yaz-proxy</command> can be configured using command-line
+  options or a configuration file.
+  Configuration file options override values specified
+  on the command-line.
+ </para>
+ <para>
+  <command>yaz-proxy</command> rereads its configuration file and
+  reopens log files when it receivies the hangup signal, SIGHUP.
+ </para>
 </refsect1>
 <refsect1><title>OPTIONS</title>
  <variablelist>
@@ -40,7 +53,7 @@
      standard output.
     </para></listitem>
   </varlistentry>
-  <varlistentry><term>-c <replaceable>num</replaceable></term>
+  <varlistentry><term>-m <replaceable>num</replaceable></term>
    <listitem><para>
      Specifies the maximum number of connections to be cached
      [default 50].
@@ -78,14 +91,29 @@
   </varlistentry>
   <varlistentry><term>-i <replaceable>seconds</replaceable></term>
    <listitem><para>
-     Specifies in seconds the idle time for communication
-     for proxy. If a connection is inactive for this long
+     Specifies in seconds the idle time for communication between
+     client and proxy. If a connection is inactive for this long
+     it will be closed. Default: 600 seconds (10 minutes).
+    </para></listitem>
+  </varlistentry>
+  <varlistentry><term>-T <replaceable>seconds</replaceable></term>
+   <listitem><para>
+     Specifies in seconds the idle time for communication between
+     proxy and backend target.
+     If a connection is inactive for this long
      it willl be closed. Default: 600 seconds (10 minutes).
     </para></listitem>
   </varlistentry>
+  <varlistentry><term>-c <replaceable>config</replaceable></term>
+   <listitem><para>
+     Specifies config filename. Configuration is in XML
+     and is only supported if the YAZ proxy is compiled with
+     libxml2.
+    </para></listitem>
+  </varlistentry>
  </variablelist>
 </refsect1>
-   <refsect1>
+<refsect1>
  <title>EXAMPLES</title>
  <para>
   The following command starts the proxy, listening on port
@@ -131,14 +159,22 @@
  </para>
  <para>
   The YAZ command-line client,
-  <literal>yaz-client</literal>,
-  allows you to set the proxy target as part of the Initialize
-  Request using option <literal>-p</literal>. 
-  For example, to connect to Index Data's target you could use:
+  <command>yaz-client</command>,
+  allows you to set the proxy address by specifying option -p. In
+  that case, the actual backend target is specified as part of the
+  Initialize Request.
+ </para>
+ <para>Suppose you have a proxy running on localhost,
+  port 9000 and wish to connect to Index Data's test target at
+  <literal>indexdata.dk:210/gils</literal> you could use:
+  <screen>
+   yaz-client -p localhost:9000 indexdata.dk:210/gils
+  </screen>
+  Since port 210 is the default, the port can be omitted:
+  <screen>
+   yaz-client -p localhost:9000 indexdata.dk/gils
+  </screen>
  </para>
- <screen>
-  yaz-client -p indexdata.dk localhost:9000/gils
- </screen>
 </refsect1>
  <!-- Keep this comment at the end of the file
  Local variables: