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-rw-r--r--server/src/client_connection.cc395
1 files changed, 395 insertions, 0 deletions
diff --git a/server/src/client_connection.cc b/server/src/client_connection.cc
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+++ b/server/src/client_connection.cc
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ * client_connection.cc
+ *
+ * Thu Feb 3 09:33:48 CET 2011
+ * Copyright 2011 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of Pracro.
+ *
+ * Pracro is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Pracro is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Pracro; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "client_connection.h"
+
+#include "transactionhandler.h"
+#include "xml_encode_decode.h"
+
+static std::string error_box(std::string message)
+{
+ std::string errorbox =
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<pracro version=\"1.0\">\n"
+ " <error>" + message + "</error>\n"
+ "</pracro>\n";
+ return errorbox;
+}
+
+#ifdef TEST_CONNECTION
+static bool did_commit = false;
+#endif
+
+ClientConnection::Parameters::Parameters()
+{
+ sessionid = "";
+ patientid = "";
+ templ = "";
+ commit = false;
+ discard = false;
+ nocommit = false;
+}
+
+ClientConnection::ClientConnection(Environment &e, Parameters p)
+ : parms(p), env(e), parser(&transaction)
+{
+ DEBUG(connection, "[%p] CREATE\n", this);
+
+#ifdef TEST_CONNECTION
+ did_commit = false;
+#endif
+
+ parser_complete = false;
+}
+
+ClientConnection::~ClientConnection()
+{
+ DEBUG(connection, "[%p] DESTROY\n", this);
+}
+
+void ClientConnection::nocommit(Session *session)
+{
+ if(parms.nocommit) {
+ if(session->isreadonly) { // NoCommit of an empty session discards it.
+ parms.discard = true;
+ return;
+ }
+
+ DEBUG(connection, "NoCommit (%s)\n", session->id().c_str());
+ parms.nocommit = false;
+ session->nocommit();
+ }
+}
+
+void ClientConnection::commit(Session *session)
+{
+ if(parms.commit) {
+ if(session->isreadonly) { // Commit of an empty session discards it.
+ parms.discard = true;
+ return;
+ }
+
+ DEBUG(connection, "Commit (%s)\n", session->id().c_str());
+ std::string sid = session->id();
+ session->commit();
+ env.sessions.deleteSession(sid);
+ parms.sessionid = "";
+ parms.commit = false;
+#ifdef TEST_CONNECTION
+ did_commit = true;
+#endif
+ }
+}
+
+void ClientConnection::discard(Session *session)
+{
+ if(parms.discard) {
+ DEBUG(connection, "Discard (%s)\n", session->id().c_str());
+ std::string sid = session->id();
+ session->discard();
+ env.sessions.deleteSession(sid);
+ parms.sessionid = "";
+ parms.discard = false;
+ }
+}
+
+bool ClientConnection::handle(const char *data, size_t size)
+{
+ Session *session = NULL;
+ try {
+ if(parms.sessionid == "") {
+ // Create new session
+ session = env.sessions.newSession(parms.patientid,
+ parms.templ);
+ } else {
+ // Attach to old session
+ session = env.sessions.session(parms.sessionid);
+
+ // Session didn't exist - create a new one anyway.
+ if(session == NULL) {
+ session = env.sessions.newSession(parms.patientid,
+ parms.templ);
+ }
+ }
+ } catch(Sessions::SessionAlreadyActive &e) {
+ ERR(connection, "Session already active.\n");
+ parser_complete = true;
+ response = error_box(xml_encode("Session "+e.sessionid+" already active."));
+ return true;
+ }
+
+ if(session == NULL) {
+ ERR(connection, "New session could not be created.\n");
+ response = error_box(xml_encode("New session could not be created."));
+ return true;
+ }
+
+ parms.sessionid = session->id();
+
+ try {
+
+ if(!data || !size) {
+ parser_complete = true;
+ commit(session);
+ nocommit(session);
+ discard(session);
+ return true;
+ }
+
+ if(parser.parse(data, size)) {
+ parser_complete = true;
+
+ {
+ SessionAutolock lock(*session);
+ response = handleTransaction(transaction, env, *session);
+ }
+
+ commit(session);
+ nocommit(session);
+ discard(session);
+
+ return true;
+ }
+ } catch(...) {
+ ERR(server, "Failed to parse data!\n");
+ response = error_box(xml_encode("XML Parse error."));
+ return true;
+ }
+
+ return false;
+}
+
+std::string ClientConnection::getResponse()
+{
+ if(parser_complete == false)
+ return error_box(xml_encode("XML Parser need more data."));
+ return response;
+}
+
+headers_t ClientConnection::getHeaders()
+{
+ headers_t hdrs;
+
+ hdrs["Content-Type"] = "text/plain; charset=UTF-8";
+ hdrs["SessionID"] = parms.sessionid;
+
+ return hdrs;
+}
+
+#ifdef TEST_CLIENT_CONNECTION
+//deps: debug.cc transactionparser.cc session.cc xml_encode_decode.cc saxparser.cc transactionhandler.cc journal.cc mutex.cc templateparser.cc exception.cc configuration.cc macroparser.cc semaphore.cc entitylist.cc luaquerymapper.cc inotify.cc log.cc queryhandlerpentominos.cc widgetgenerator.cc queryhandlerpracro.cc resumeparser.cc journal_commit.cc versionstr.cc luaresume.cc luautil.cc artefact.cc environment.cc database.cc macrolist.cc templatelist.cc pracrodao.cc templateheaderparser.cc macroheaderparser.cc pracrodaotest.cc pracrodaopgsql.cc
+//cflags: -DWITHOUT_DATABASE -DWITHOUT_ARTEFACT -I.. $(LUA_CFLAGS) $(EXPAT_CFLAGS) $(PTHREAD_CFLAGS) $(PQXX_CXXFLAGS)
+//libs: $(LUA_LIBS) $(EXPAT_LIBS) $(PTHREAD_LIBS) $(PQXX_LIBS)
+#include "test.h"
+
+static char xml_request[] =
+"<?xml version='1.0' encoding='UTF-8'?>\n"
+"<pracro version=\"1.0\" user=\"testuser\" cpr=\"1505050505\">\n"
+" <request macro=\"test\" template=\"test\"/>\n"
+"</pracro>\n"
+ ;
+
+static char xml_commit[] =
+"<?xml version='1.0' encoding='UTF-8'?>\n"
+"<pracro version=\"1.0\" user=\"testuser\" cpr=\"1505050505\">\n"
+" <commit version=\"\" macro=\"referral\" template=\"amd_forunders\" >\n"
+" <field value=\"Some docs\" name=\"referral.doctor\"/>\n"
+" <field value=\"DIMS\" name=\"referral.diagnosecode\"/>\n"
+" <field value=\"Avs\" name=\"referral.diagnose\"/>\n"
+" </commit>\n"
+"</pracro>\n"
+ ;
+
+static char xml_commit_p1[] =
+"<?xml version='1.0' encoding='UTF-8'?>\n"
+"<pracro version=\"1.0\" user=\"testuser\" cpr=\"1505050505\">\n"
+" <commit version=\"\" macro=\"referral\" template=\"amd_forunders\" >\n"
+" <field value=\"Some docs\" name=\"referral.doctor\"/>\n"
+" <field value=\"DIMS\" name=\"referral.diagn"
+ ;
+
+static char xml_commit_p2[] =
+"ose\"/>\n"
+" </commit>\n"
+"</pracro>\n"
+ ;
+
+TEST_BEGIN;
+
+Environment env;
+std::string sid;
+
+// Without data
+{
+ ClientConnection con(env, "", false);
+ TEST_TRUE(con.handle("", 0), "Test handler return value.");
+ TEST_EQUAL_STR(con.getResponse(), "", "Test response value.");
+ sid = con.getSessionID();
+ TEST_NOTEQUAL_STR(sid, "", "Test new session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+{
+ ClientConnection con(env, sid, false);
+ TEST_TRUE(con.handle("", 0), "Test handler return value.");
+ TEST_EQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_EQUAL_STR(con.getSessionID(), sid, "Test existing session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+{
+ ClientConnection con(env, sid, true);
+ TEST_TRUE(con.handle("", 0), "Test handler return value.");
+ TEST_EQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_EQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_TRUE(did_commit, "Commit.");
+}
+
+{
+ ClientConnection con(env, sid, false);
+ TEST_TRUE(con.handle("", 0), "Test handler return value.");
+ TEST_EQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), sid, "Test new session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+// With commit partial data
+{
+ ClientConnection con(env, "", false);
+ TEST_FALSE(con.handle(xml_commit_p1, sizeof(xml_commit_p1) - 1),
+ "Test handler return value.");
+ sid = con.getSessionID();
+ TEST_NOTEQUAL_STR(sid, "", "Test new session id.");
+ TEST_FALSE(did_commit, "No commit.");
+ TEST_EQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_TRUE(con.handle(xml_commit_p2, sizeof(xml_commit_p2) - 1),
+ "Test handler return value.");
+ TEST_EQUAL_STR(con.getSessionID(), sid, "Test session id.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+// With commit partial data and journal commit
+{
+ ClientConnection con(env, "", true);
+ TEST_FALSE(con.handle(xml_commit_p1, sizeof(xml_commit_p1) - 1),
+ "Test handler return value.");
+ sid = con.getSessionID();
+ TEST_NOTEQUAL_STR(sid, "", "Test new session id.");
+ TEST_EQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_FALSE(did_commit, "No commit.");
+ TEST_TRUE(con.handle(xml_commit_p2, sizeof(xml_commit_p2) - 1),
+ "Test handler return value.");
+ TEST_EQUAL_STR(con.getSessionID(), "", "Test session id.");
+ TEST_TRUE(did_commit, "No commit.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+}
+
+// With commit data
+{
+ ClientConnection con(env, "", false);
+ TEST_TRUE(con.handle(xml_commit, sizeof(xml_commit) - 1),
+ "Test handler return value.");
+ sid = con.getSessionID();
+ TEST_NOTEQUAL_STR(sid, "", "Test new session id.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+{
+ ClientConnection con(env, sid, false);
+ TEST_TRUE(con.handle(xml_commit, sizeof(xml_commit) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_EQUAL_STR(con.getSessionID(), sid, "Test existing session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+{
+ ClientConnection con(env, sid, true);
+ TEST_TRUE(con.handle(xml_commit, sizeof(xml_commit) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_EQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_TRUE(did_commit, "Commit.");
+}
+
+{
+ ClientConnection con(env, sid, false);
+ TEST_TRUE(con.handle(xml_commit, sizeof(xml_commit) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), sid, "Test new session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+// With request data
+{
+ ClientConnection con(env, "", false);
+ TEST_TRUE(con.handle(xml_request, sizeof(xml_request) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ sid = con.getSessionID();
+ TEST_NOTEQUAL_STR(sid, "", "Test new session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+{
+ ClientConnection con(env, sid, false);
+ TEST_TRUE(con.handle(xml_request, sizeof(xml_request) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_EQUAL_STR(con.getSessionID(), sid, "Test existing session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+{
+ ClientConnection con(env, sid, true);
+ TEST_TRUE(con.handle(xml_request, sizeof(xml_request) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getResponse(), "", "Test response value.");
+ TEST_EQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_TRUE(did_commit, "Commit.");
+}
+
+{
+ ClientConnection con(env, sid, false);
+ TEST_TRUE(con.handle(xml_request, sizeof(xml_request) - 1),
+ "Test handler return value.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), "", "Test existing session id.");
+ TEST_NOTEQUAL_STR(con.getSessionID(), sid, "Test new session id.");
+ TEST_FALSE(did_commit, "No commit.");
+}
+
+TEST_END;
+
+#endif/*TEST_CLIENT_CONNECTION*/
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