From 965e43178736e6635cf27410e6d73f4ec0fdced2 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Fri, 7 May 2010 09:31:26 +0000
Subject: LOTS of changes. libmicrohttpd fix for 'chunked' POST handling and
 LUA parameter checker from Pentominos among other things.

---
 server/src/artefact.cc | 97 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 69 insertions(+), 28 deletions(-)

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

diff --git a/server/src/artefact.cc b/server/src/artefact.cc
index cc29b77..24114f9 100644
--- a/server/src/artefact.cc
+++ b/server/src/artefact.cc
@@ -35,7 +35,7 @@
 Artefact::Artefact()
 {
 #ifndef WITHOUT_PENTOMINOS
-  PRACRO_DEBUG(artefact, "Creating artefact connection %s : %d",
+  PRACRO_DEBUG(artefact, "Creating artefact connection %s : %d\n",
                Conf::artefact_addr.c_str(), Conf::artefact_port);
 #endif/*WITHOUT_PENTOMINOS*/
 
@@ -54,47 +54,88 @@ Artefact::~Artefact()
   atf_close(atfh);
 }
 
+static QueryResult node2result(atf_result_node_t *node, time_t timestamp)
+{
+  QueryResult rnode;
+  rnode.timestamp = timestamp;
+  rnode.source = "pentominos";
+
+  if(!node) return rnode;
+
+  struct _atf_result_node_t *child = node->child;
+  while(child) {
+    if(child->value == NULL) {
+      rnode.groups[child->name] = node2result(child, timestamp);
+    } else {
+      rnode.values[child->name] = child->value;
+    }
+    child = child->next;
+  }
+
+  return rnode;
+}
+
 QueryResult Artefact::exec(Query &query,
                            std::string patientid,
                            std::string user)
 {
-  QueryParser parser;
+  atf_transaction_t* atft = NULL;
+  atf_reply_t *reply = NULL;
+  atf_result_t *result = NULL;
+  atf_result_node_t *root = NULL;
+  atf_status_t status;
+  time_t timestamp;
+  atf_id id;
+
+  QueryResult rroot;
+  rroot.timestamp = 0;
+  rroot.source = "pentominos";
+
+  if(query.attributes.find("class") == query.attributes.end()) {
+    PRACRO_ERR(artefact, "Missing 'class' attribute!\n");
+    goto aaarg;
+  }
 
-  atf_transaction_t *trans = atf_new_transaction(conn, patientid.c_str());
-  atf_querylist_t *qlist = atf_new_querylist(trans, user.c_str());
+  atft = atf_new_transaction(conn, patientid.c_str());
+  if(!atft) goto aaarg;
 
-  atf_id id = atf_add_query(qlist,
-                            query.attributes["class"].c_str(),
-                            0/*oldest*/, "xml"/*replyformat*/);
+  id = atf_add_query(atft, query.attributes["class"].c_str(),
+                     FILTER_LATEST, USE_NONE, 0, 0);
+  if(!atft) goto aaarg;
 
-  atf_reply_t *reply = atf_commit(trans, NULL, qlist);
+  reply = atf_commit(atft);
+  if(!reply) goto aaarg;
 
-  atf_status_t status = atf_get_reply_status(reply, id);
+  if(atf_get_num_results(reply, id) != 1) goto aaarg;
 
-  switch(status) {
-  case ATF_STATUS_OK:
-    {
-      size_t bufsize = atf_get_reply_size(reply, id);
-      char *buf = new char[bufsize];
-      
-      ssize_t size = atf_get_reply_data(reply, id, buf, size);
-      parser.parse(buf, size);
-      
-      delete[] buf;
-    }
-    break;
+  result = atf_get_result(reply, id, 0);
+  if(!result) goto aaarg;
+
+  status = atf_get_result_status(result, NULL, 0);
+  if(status != ATF_STATUS_OK) goto aaarg;
+ 
+  timestamp = atf_get_result_timestamp(result);
+  rroot.timestamp = timestamp;
 
-  case ATF_STATUS_ERROR:
-    PRACRO_ERR(artefact, "Error in artefact query.\n");
-    break;
+  root = atf_get_result_node(result);
+  if(!root) goto aaarg;
+
+  {
+    QueryResult qresult = node2result(root, timestamp);
+    rroot.groups[query.attributes["class"]] = qresult;
   }
 
-  atf_free_reply(reply);
+  goto cleanup;
+
+ aaarg:
+  PRACRO_ERR(artefact, "Artefact comm error (%d)!\n", atf_get_last_error(atfh));
 
-  atf_free_querylist(qlist);
-  atf_free_transaction(trans);
+ cleanup:
+  if(root) atf_free_result_node(root);
+  if(reply) atf_free_reply(reply);
+  if(atft) atf_free_transaction(atft);
 
-  return parser.result;
+  return rroot;
 }
 
 
-- 
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