From e2120257dda4d91b48bb031a96edda810ce30dfb Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Tue, 30 Sep 2008 12:49:34 +0000
Subject: Changed SAXParser parse method to take a buffer and a size instead of
 a c++ string. Made the queryhandler use a read loop, parsing on-the-fly to
 determine when the entire document has been read.

---
 server/src/queryhandler.cc | 62 ++++++++++++++++++++--------------------------
 1 file changed, 27 insertions(+), 35 deletions(-)

(limited to 'server/src/queryhandler.cc')

diff --git a/server/src/queryhandler.cc b/server/src/queryhandler.cc
index 29e8fda..248f1e6 100644
--- a/server/src/queryhandler.cc
+++ b/server/src/queryhandler.cc
@@ -54,6 +54,8 @@
 // For ioctl
 #include <sys/ioctl.h>
 
+#include "queryparser.h"
+
 typedef struct {
   in_addr_t ip;
   time_t time;
@@ -138,12 +140,7 @@ QueryHandler::QueryHandler(TCPSocket *socket, std::string cpr)
   this->socket = socket;
 }
 
-void QueryHandler::addQuery(Query &query)
-{
-  queries.push_back(query);
-}
-
-std::string QueryHandler::exec()
+QueryResult QueryHandler::exec(Query &query)
 {
   time_t timestamp = time(NULL);
   std::string uid = getUID("eth0");
@@ -186,56 +183,51 @@ std::string QueryHandler::exec()
   printf(buf);
 #endif/*WITH_DEBUG*/
 
-  std::vector< Query >::iterator j = queries.begin();
-  while(j != queries.end()) {
-    Query query = *j;
-
-    sprintf(buf, "  <pentominos:query format=\"pracroxml\"\n"
-            "                    device_id=\"%s\"\n"
-            "                    device_type=\"%s\"\n"
-            "                    filter=\"latest\"\n"
-            "                    location=\"all\"/>\n",
-            query.attributes["class"].c_str(),
-            query.attributes["class"].c_str());
-
+  sprintf(buf, "  <pentominos:query format=\"pracroxml\"\n"
+          "                    device_id=\"%s\"\n"
+          "                    device_type=\"%s\"\n"
+          "                    filter=\"latest\"\n"
+          "                    location=\"all\"/>\n",
+          query.attributes["class"].c_str(),
+          query.attributes["class"].c_str());
+  
 #ifndef WITHOUT_PENTOMINOS
-    socket->write(buf, strlen(buf));
+  socket->write(buf, strlen(buf));
 #endif/*WITHOUT_PENTOMINOS*/
 
 #ifdef WITH_DEBUG
-    printf(buf);
+  printf(buf);
 #endif/*WITH_DEBUG*/
 
-    j++;
-  }
-
-  sprintf(buf, "</artefact>\n");
+  sprintf(buf, "</artefact>");
 
 #ifndef WITHOUT_PENTOMINOS
   socket->write(buf, strlen(buf));
-  // Terminate
-  char term[] = "\0";
-  socket->write(term, 1);
 #endif/*WITHOUT_PENTOMINOS*/
 
 #ifdef WITH_DEBUG
   printf(buf);
 #endif/*WITH_DEBUG*/
 
-  std::string answer;
+  QueryResult result;
 
 #ifndef WITHOUT_PENTOMINOS
-  // Wait for answer
+  QueryParser parser;
+
+  int asize;
   char abuf[64];
-  int res;
-  do {
+  memset(abuf, 0, sizeof(abuf));
+
+  // Read until we've got the entire result.
+  while((asize = socket->read(abuf, sizeof(abuf) - 1)) != -1 &&
+        parser.parse(abuf, asize) == false) {
     memset(abuf, 0, sizeof(abuf));
-    res = socket->read(abuf, sizeof(abuf) - 1);
-    answer += abuf;
-  } while(res);
+  }
+
+  result = parser.result;
 #endif/*WITHOUT_PENTOMINOS*/
 
-  return answer;
+  return result;
 }
 
 #ifdef TEST_QUERYHANDLER
-- 
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