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<div class="navbar"><a href="Rpc.html">Previous</a> <a href="index.html">Up</a> <a href="Rpc_portmapper_aux.html">Next</a> </div> <center><h1>Module <a href="type_Rpc_program.html">Rpc_program</a></h1></center> <br> <pre><span class="keyword">module</span> Rpc_program: <code class="code">sig</code> <a href="Rpc_program.html">..</a> <code class="code">end</code></pre>RPC programs<br> <hr width="100%"> <br> An RPC server offers its procedures as parts of a "program". Here, the notion of programs is introduced. A program is identified by a program number and a version number. The service of a program is a set of procedures that are described by procedure numbers and signatures. The signature of a procedure is a pair (s,u) of XDR types that should be interpreted as function s -> u. To make work easier, programs are encapsulated as an opaque type t. This data structure can store procedure names in addition to the plain numbers, so you can refer to procedures by their names. But note that these names are only local identifiers that are not transferred in the RPC protocol. The signature can be formulated upon a type system (a set of definitions of type names).<br> <pre><span class="keyword">type</span> <a name="TYPEt"></a><code class="type"></code>t </pre> <div class="info"> Type of RPC programs<br> </div> <pre><span class="keyword">val</span> <a name="VALcreate"></a>create : <code class="type"><a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a> -><br> <a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a> -><br> <a href="Xdr.html#TYPExdr_type_system">Xdr.xdr_type_system</a> -><br> (string * (<a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a> * <a href="Xdr.html#TYPExdr_type_term">Xdr.xdr_type_term</a> * <a href="Xdr.html#TYPExdr_type_term">Xdr.xdr_type_term</a>)) list -><br> <a href="Rpc_program.html#TYPEt">t</a></code></pre><div class="info"> <code class="code">create program_nr version_nr type_system procedures</code><br> </div> <pre><span class="keyword">val</span> <a name="VALupdate"></a>update : <code class="type">?program_number:<a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a> -><br> ?version_number:<a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a> -> <a href="Rpc_program.html#TYPEt">t</a> -> <a href="Rpc_program.html#TYPEt">t</a></code></pre><div class="info"> Modifies program and/or version number<br> </div> <pre><span class="keyword">val</span> <a name="VALprogram_number"></a>program_number : <code class="type"><a href="Rpc_program.html#TYPEt">t</a> -> <a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a></code></pre><div class="info"> Return the program number<br> </div> <pre><span class="keyword">val</span> <a name="VALversion_number"></a>version_number : <code class="type"><a href="Rpc_program.html#TYPEt">t</a> -> <a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a></code></pre><div class="info"> Return the version number<br> </div> <pre><span class="keyword">val</span> <a name="VALsignature"></a>signature : <code class="type"><a href="Rpc_program.html#TYPEt">t</a> -> string -> <a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a> * <a href="Xdr.html#TYPExdr_type">Xdr.xdr_type</a> * <a href="Xdr.html#TYPExdr_type">Xdr.xdr_type</a></code></pre><br> <code class="code">signature p name</code> returns the triple <code class="code"> (proc_nr, in_t, out_t) </code> for the procedure <code class="code">name</code>. <code class="code">proc_nr</code> is the procedure number, <code class="code">in_t</code> the argument type and <code class="code">out_t</code> the result type.<br> <pre><span class="keyword">val</span> <a name="VALprocedure_number"></a>procedure_number : <code class="type"><a href="Rpc_program.html#TYPEt">t</a> -> string -> <a href="Rtypes.html#TYPEuint4">Rtypes.uint4</a></code></pre><div class="info"> <code class="code">procedure_number p name</code> returns only the procedure number of the procedure called <code class="code">name</code>.<br> </div> </body></html>
