demo/server/discuss.php

   1 <?php
   2
   3     include("xmlrpc.inc");
   4     include("xmlrpcs.inc");
   5
   6     $addcomment_sig=array(array($xmlrpcInt, $xmlrpcString, $xmlrpcString, $xmlrpcString));
   7
   8     $addcomment_doc='Adds a comment to an item. The first parameter
   9 is the item ID, the second the name of the commenter, and the third
  10 is the comment itself. Returns the number of comments against that
  11 ID.';
  12
  13     function addcomment($m)
  14     {
  15         global $xmlrpcerruser;
  16         $err="";
  17         // since validation has already been carried out for us,
  18         // we know we got exactly 3 string values
  19         $n = php_xmlrpc_decode($m);
  20         $msgID = $n[0];
  21         $name  = $n[1];
  22         $comment = $n[2];
  23
  24         $dbh=dba_open("/tmp/comments.db", "c", "db2");
  25         if($dbh)
  26         {
  27             $countID="${msgID}_count";
  28             if(dba_exists($countID, $dbh))
  29             {
  30                 $count=dba_fetch($countID, $dbh);
  31             }
  32             else
  33             {
  34                 $count=0;
  35             }
  36             // add the new comment in
  37             dba_insert($msgID . "_comment_${count}", $comment, $dbh);
  38             dba_insert($msgID . "_name_${count}", $name, $dbh);
  39             $count++;
  40             dba_replace($countID, $count, $dbh);
  41             dba_close($dbh);
  42         }
  43         else
  44         {
  45             $err="Unable to open comments database.";
  46         }
  47         // if we generated an error, create an error return response
  48         if($err)
  49         {
  50             return new xmlrpcresp(0, $xmlrpcerruser, $err);
  51         }
  52         else
  53         {
  54             // otherwise, we create the right response
  55             // with the state name
  56             return new xmlrpcresp(new xmlrpcval($count, "int"));
  57         }
  58     }
  59
  60     $getcomments_sig=array(array($xmlrpcArray, $xmlrpcString));
  61
  62     $getcomments_doc='Returns an array of comments for a given ID, which
  63 is the sole argument. Each array item is a struct containing name
  64 and comment text.';
  65
  66     function getcomments($m)
  67     {
  68         global $xmlrpcerruser;
  69         $err="";
  70         $ra=array();
  71         $msgID=php_xmlrpc_decode($m->getParam(0));
  72         $dbh=dba_open("/tmp/comments.db", "r", "db2");
  73         if($dbh)
  74         {
  75             $countID="${msgID}_count";
  76             if(dba_exists($countID, $dbh))
  77             {
  78                 $count=dba_fetch($countID, $dbh);
  79                 for($i=0; $i<$count; $i++)
  80                 {
  81                     $name=dba_fetch("${msgID}_name_${i}", $dbh);
  82                     $comment=dba_fetch("${msgID}_comment_${i}", $dbh);
  83                     // push a new struct onto the return array
  84                     $ra[] = array(
  85                         "name" => $name,
  86                         "comment" => $comment
  87                         );
  88                 }
  89             }
  90         }
  91         // if we generated an error, create an error return response
  92         if($err)
  93         {
  94             return new xmlrpcresp(0, $xmlrpcerruser, $err);
  95         }
  96         else
  97         {
  98             // otherwise, we create the right response
  99             // with the state name
 100             return new xmlrpcresp(php_xmlrpc_encode($ra));
 101         }
 102     }
 103
 104     $s = new xmlrpc_server(array(
 105         "discuss.addComment" => array(
 106             "function" => "addcomment",
 107             "signature" => $addcomment_sig,
 108             "docstring" => $addcomment_doc
 109         ),
 110         "discuss.getComments" => array(
 111             "function" => "getcomments",
 112             "signature" => $getcomments_sig,
 113             "docstring" => $getcomments_doc
 114         )
 115     ));