initial snapshot of dmucs svn

1 files changed, 226 insertions, 0 deletions

diff --git a/dmucs_host_state.cc b/dmucs_host_state.cc
new file mode 100644
index 0000000..9d08806
--- /dev/null
+++ b/dmucs_host_state.cc
@@ -0,0 +1,226 @@
+/*
+ * dmucs_host_state.cc: the DMUCS host state implementation.
+ *
+ * Copyright (C) 2005, 2006  Victor T. Norman
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "dmucs_host_state.h"
+#include "dmucs_db.h"
+
+
+
+DmucsHostStateAvail *DmucsHostStateAvail::instance_ = NULL;
+
+
+DmucsHostStateAvail *
+DmucsHostStateAvail::getInstance()
+{
+    if (instance_ == NULL) {
+	instance_ = new DmucsHostStateAvail();
+    }
+    return instance_;
+}
+
+
+void
+DmucsHostStateAvail::unavail(DmucsHost *host)
+{
+    /* Remove the CPUs from the cpus database. */
+    DmucsDb::getInstance()->delCpusFromTier(host, host->getTier(),
+					    host->getIpAddrInt());
+    /* Move the host to the overloaded state: remove from availHosts_ and
+       add to overloadedHosts_. */
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateUnavail::getInstance());
+}
+
+
+void
+DmucsHostStateAvail::silent(DmucsHost *host)
+{
+    /* Remove the CPUs from the cpus database. */
+    DmucsDb::getInstance()->delCpusFromTier(host, host->getTier(),
+					    host->getIpAddrInt());
+    /* Move the host to the overloaded state: remove from availHosts_ and
+       add to overloadedHosts_. */
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateSilent::getInstance());
+}
+
+
+void
+DmucsHostStateAvail::overloaded(DmucsHost *host)
+{
+    /* Remove the CPUs from the cpus database. */
+    DmucsDb::getInstance()->delCpusFromTier(host, host->getTier(),
+					    host->getIpAddrInt());
+    /* Move the host to the overloaded state: remove from availHosts_ and
+       add to overloadedHosts_. */
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateOverloaded::getInstance());
+}
+
+
+void
+DmucsHostStateAvail::removeFromDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->delFromAvailDb(host);
+}
+
+void
+DmucsHostStateAvail::addToDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->addToAvailDb(host);
+}
+
+
+/* ====================================================================== */
+
+DmucsHostStateUnavail *DmucsHostStateUnavail::instance_ = NULL;
+
+DmucsHostStateUnavail *
+DmucsHostStateUnavail::getInstance()
+{
+    if (instance_ == NULL) {
+	instance_ = new DmucsHostStateUnavail();
+    }
+    return instance_;
+}
+
+void
+DmucsHostStateUnavail::avail(DmucsHost *host)
+{
+    removeFromDb(host);
+
+    int tier = host->getTier();
+    if (tier == 0) {
+	DmucsHostState::changeState(host,
+				    DmucsHostStateOverloaded::getInstance());
+    } else {
+	DmucsHostState::changeState(host, DmucsHostStateAvail::getInstance());
+    }
+}
+
+
+void
+DmucsHostStateUnavail::addToDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->addToUnavailDb(host);
+}
+
+
+void
+DmucsHostStateUnavail::removeFromDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->delFromUnavailDb(host);
+}
+
+
+/* ====================================================================== */
+
+DmucsHostStateSilent *DmucsHostStateSilent::instance_ = NULL;
+
+DmucsHostStateSilent *
+DmucsHostStateSilent::getInstance()
+{
+    if (instance_ == NULL) {
+	instance_ = new DmucsHostStateSilent();
+    }
+    return instance_;
+}
+
+void
+DmucsHostStateSilent::avail(DmucsHost *host)
+{
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateAvail::getInstance());
+}
+
+
+void
+DmucsHostStateSilent::unavail(DmucsHost *host)
+{
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateUnavail::getInstance());
+}
+
+
+void
+DmucsHostStateSilent::addToDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->addToSilentDb(host);
+}
+
+
+void
+DmucsHostStateSilent::removeFromDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->delFromSilentDb(host);
+}
+
+
+
+/* ====================================================================== */
+
+
+DmucsHostStateOverloaded *DmucsHostStateOverloaded::instance_ = NULL;
+
+DmucsHostStateOverloaded *
+DmucsHostStateOverloaded::getInstance()
+{
+    if (instance_ == NULL) {
+	instance_ = new DmucsHostStateOverloaded();
+    }
+    return instance_;
+}
+
+void
+DmucsHostStateOverloaded::avail(DmucsHost *host)
+{
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateAvail::getInstance());
+}
+
+
+void
+DmucsHostStateOverloaded::unavail(DmucsHost *host)
+{
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateUnavail::getInstance());
+}
+
+
+void
+DmucsHostStateOverloaded::silent(DmucsHost *host)
+{
+    removeFromDb(host);
+    DmucsHostState::changeState(host, DmucsHostStateSilent::getInstance());
+}
+
+
+void
+DmucsHostStateOverloaded::addToDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->addToOverloadedDb(host);
+}
+
+
+void
+DmucsHostStateOverloaded::removeFromDb(DmucsHost *host)
+{
+    DmucsDb::getInstance()->delFromOverloadedDb(host);
+}