Added ConnectionHandler accroding to spec.

2 files changed, 232 insertions, 0 deletions

diff --git a/src/connectionhandler.cc b/src/connectionhandler.cc
new file mode 100644
index 0000000..61738e2
--- /dev/null
+++ b/src/connectionhandler.cc
@@ -0,0 +1,176 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            connectionhandler.cc
+ *
+ *  Fri Mar 30 09:25:16 CEST 2012
+ *  Copyright 2012 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Munia.
+ *
+ *  Munia 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.
+ *
+ *  Munia 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 Munia; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "connectionhandler.h"
+
+ConnectionHandler::ConnectionHandler()
+{
+}
+
+void ConnectionHandler::init(clientid_t clientid)
+{
+  connlist[clientid] = std::set<taskid_t>();
+}
+
+void ConnectionHandler::close(clientid_t clientid)
+{
+  connlist.erase(clientid);
+}
+
+void ConnectionHandler::observe(clientid_t clientid, taskid_t taskid)
+{
+  connlist[clientid].insert(taskid);
+}
+
+void ConnectionHandler::unobserve(clientid_t clientid, taskid_t taskid)
+{
+  connlist[clientid].erase(taskid);
+}
+
+std::set<clientid_t> ConnectionHandler::observerlist(TaskIdList tasks)
+{
+  std::set<clientid_t> clients;
+
+  for(TaskIdList::iterator i = tasks.begin(); i != tasks.end(); i++) {
+    taskid_t tid = *i;
+    for(ConnectionList::iterator ci = connlist.begin();
+        ci != connlist.end(); ci++) {
+      std::set<taskid_t>::iterator ti = ci->second.find(tid);
+      if(ti != ci->second.end()) clients.insert(ci->first);
+    }
+  }
+
+  return clients;
+}
+
+
+#ifdef TEST_CONNECTIONHANDLER
+//deps:
+//cflags:
+//libs:
+
+#include "test.h"
+
+TEST_BEGIN;
+
+ConnectionHandler h;
+
+h.init((clientid_t)1);
+h.observe((clientid_t)1, (taskid_t)1);
+h.observe((clientid_t)1, (taskid_t)2);
+
+h.init((clientid_t)2);
+h.observe((clientid_t)2, (taskid_t)1);
+h.observe((clientid_t)2, (taskid_t)2);
+
+h.init((clientid_t)3);
+h.observe((clientid_t)3, (taskid_t)3);
+
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)1);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_TRUE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_TRUE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_FALSE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)3);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_FALSE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_FALSE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_TRUE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)4);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_FALSE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_FALSE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_FALSE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)1);
+  tasks.push_back((taskid_t)2);
+  tasks.push_back((taskid_t)3);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_TRUE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_TRUE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_TRUE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+h.close((clientid_t)1);
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)1);
+  tasks.push_back((taskid_t)2);
+  tasks.push_back((taskid_t)3);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_FALSE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_TRUE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_TRUE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+h.close((clientid_t)2);
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)1);
+  tasks.push_back((taskid_t)2);
+  tasks.push_back((taskid_t)3);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_FALSE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_FALSE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_TRUE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+h.close((clientid_t)3);
+{
+  TaskIdList tasks;
+  tasks.push_back((taskid_t)1);
+  tasks.push_back((taskid_t)2);
+  tasks.push_back((taskid_t)3);
+  std::set<clientid_t> clst = h.observerlist(tasks);
+
+  TEST_FALSE(clst.find((clientid_t)1) != clst.end(), "Got client 1?");
+  TEST_FALSE(clst.find((clientid_t)2) != clst.end(), "Got client 2?");
+  TEST_FALSE(clst.find((clientid_t)3) != clst.end(), "Got client 3?");
+}
+
+TEST_END;
+
+#endif/*TEST_CONNECTIONHANDLER*/
diff --git a/src/connectionhandler.h b/src/connectionhandler.h
new file mode 100644
index 0000000..ab46320
--- /dev/null
+++ b/src/connectionhandler.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            connectionhandler.h
+ *
+ *  Fri Mar 30 09:25:16 CEST 2012
+ *  Copyright 2012 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Munia.
+ *
+ *  Munia 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.
+ *
+ *  Munia 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 Munia; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __MUNIA_CONNECTIONHANDLER_H__
+#define __MUNIA_CONNECTIONHANDLER_H__
+
+#include <list>
+#include <set>
+#include <map>
+
+#include "task.h"
+
+typedef void* clientid_t;
+
+typedef std::map<clientid_t, std::set<taskid_t> > ConnectionList;
+
+class ConnectionHandler {
+public:
+  ConnectionHandler();
+
+  void init(clientid_t clientid);
+  void close(clientid_t clientid);
+  void observe(clientid_t clientid, taskid_t taskid);
+  void unobserve(clientid_t clientid, taskid_t taskid);
+
+  std::set<clientid_t> observerlist(TaskIdList tasklist);
+
+private:
+  ConnectionList connlist;
+};
+
+#endif/*__MUNIA_CONNECTIONHANDLER_H__*/