lots of coded stuff, the beginnings of the server/client comms bits

[ga4php.git] / gaas / lib / gaasdClient.php

diff --git a/gaas/lib/gaasdClient.php b/gaas/lib/gaasdClient.php
index 36da285..4226368 100644 (file)
--- a/gaas/lib/gaasdClient.php
+++ b/gaas/lib/gaasdClient.php
@@ -1,5 +1,95 @@
-<?php 
+<?php
+
+
+require_once("globalLib.php");
+require_once("gaasClientMessages.php");
 
 // I am the gaasd client.. i know all, i see all... I am the "only" way to interact with the gaasd server.
 
+class GAASClient {
+       
+       // the main send/receive functions. Communicates with gaasd
+       // we always expect one send followed by one receive message
+       function sendReceive($message_type, $message)
+       {
+               // yeah... this is totally gunna work
+               global $TCP_PORT_NUMBER;
+               
+               $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
+               $res = socket_connect($socket, "127.0.0.1", $TCP_PORT_NUMBER);
+               if(!$res) {
+                       socket_close($socket);
+                       return false;
+               }
+               
+               $msg["type"] = $message_type;
+               $msg["data"] = $message;
+               
+               $datacomp = base64_encode(serialize($msg));
+               $tosend = "AC:$datacomp:EOD";
+               
+               socket_send($socket, $tosend, strlen($tosend), 0);
+               
+               // get up to one meg of data - this is bad... i can feel this function
+               // hurting alot
+               // TODO FIX THIS - its garbage code... im not really sure how to handle this really
+               // we need to read back as AS:data:EOD - i think it now does.. i hope, tho we need
+               // timeouts now.
+               $recvd = "";
+               $continue = true;
+               while($continue) {
+                       $size = socket_recv($socket, $recvd_a, 1024, 0);
+                       $recvd .= $recvd_a;
+                       if(preg_match("/.*\:EOD$/", $recvd)) {
+                               // we have a full string... break out
+                               $continue = false;
+                               break;
+                       }
+               }
+               
+               
+               // first check we got something that makes sense
+               if(preg_match("/^AS:.*:EOD/", $recvd) < 1) {
+                       socket_close($socket);
+                       // we have a problem jim
+                       return false;
+               }
+               
+               $xps = explode(":", $recvd);
+               
+               $component =  unserialize(base64_decode($xps[1]));
+               
+               if($component["type"] != $message_type) {
+                       // we have a problem jim
+                       socket_close($socket);
+                       return false;
+               }
+               
+               socket_close($socket);
+               
+               return $component["data"];
+       }
+       
+       // this is one thing i love about php... how truely dynamic it can be in very easy to do ways.
+       // im not entirely sure what im doing with this bit yet
+       function __call($func, $params)
+       {
+               // im a little stuck here.
+               //  want messages to be defineable in terms of plugins
+               // but i dont think this is the way to do it
+               global $MESSAGES;
+               $st_defined = constant($func);
+               //echo "func is $st_defined\n";
+               $function_send = $MESSAGES[$st_defined]."_clientsend";
+               $function_recv = $MESSAGES[$st_defined]."_clientrecv";
+               //echo "real function is $function_send, $function_recv\n";
+               
+               if(function_exists($function_send) && function_exists($function_recv)) {
+                       $function_recv($this->sendReceive($st_defined, $function_send($params)));
+               } else {
+                       error_log("Function, $function does not exist!");
+               }
+       }
+}
+
 ?>
\ No newline at end of file