Add network emulation feature.

[sim/o1-interface.git] / ntsimulator / ntsim-ng / utils / network_emulation.h

diff --git a/ntsimulator/ntsim-ng/utils/network_emulation.h b/ntsimulator/ntsim-ng/utils/network_emulation.h
new file mode 100644 (file)
index 0000000..474dbec
--- /dev/null
+++ b/ntsimulator/ntsim-ng/utils/network_emulation.h
@@ -0,0 +1,55 @@
+/*************************************************************************
+*
+* Copyright 2020 highstreet technologies GmbH and others
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+***************************************************************************/
+
+#pragma once
+
+#include <stdint.h>
+
+typedef struct {
+    uint16_t limit;
+
+    struct {
+        uint16_t time;
+        uint16_t jitter;
+        uint16_t correlation;
+        char *distribution;
+    } delay;
+
+    uint16_t loss;
+
+    struct {
+        uint16_t percentage;
+        uint16_t correlation;
+    } corruption;
+
+    struct {
+        uint16_t percentage;
+        uint16_t correlation;
+    } duplication;
+
+    struct {
+        uint16_t percentage;
+        uint16_t correlation;
+    } reordering;
+
+    uint16_t rate;
+} network_emultation_settings_t;
+
+#define NETWORK_EMULATION_DEFAULT_LIMIT         "1000"
+
+int network_emulation_init(void);
+int network_emulation_update(const network_emultation_settings_t *s);