lib, ipcpd, irmd: Add full-fledged QoS

This adds more Quality of Service support to Ouroboros. One part is
the network specific characteristics such as bandwidth, delay, ...
The other part is end-to-end QoS like reliability, window based flow
control, ...

1 files changed, 57 insertions, 0 deletions

diff --git a/src/lib/qos.c b/src/lib/qos.c
new file mode 100644
index 00000000..035b9049
--- /dev/null
+++ b/src/lib/qos.c
@@ -0,0 +1,57 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Quality of Service cube specifications
+ *
+ *    Dimitri Staessens <dimitri.staessens@ugent.be>
+ *    Sander Vrijders   <sander.vrijders@ugent.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <ouroboros/qos.h>
+#include <ouroboros/errno.h>
+
+#include <stdint.h>
+#include <stddef.h>
+
+int qosspec_init(qosspec_t * qs)
+{
+        if (qs == NULL)
+                return -EINVAL;
+
+        qs->delay = UINT32_MAX;
+        qs->bandwidth = UINT64_MAX;
+        qs->availability = 0;
+        qs->maximum_interruption = UINT32_MAX;
+
+        qs->resource_control = true;
+        qs->reliable = false;
+        qs->error_check = true;
+        qs->ordered = true;
+        qs->partial = false;
+
+        return 0;
+}
+
+int qosspec_fini(qosspec_t * qs)
+{
+        if (qs == NULL)
+                return -EINVAL;
+
+        qs = NULL;
+
+        return 0;
+}