a script to inject simulation stateless files

2 files changed, 207 insertions, 0 deletions

diff --git a/scripts/automation/trex_control_plane/client/trex_stateless_sim.py b/scripts/automation/trex_control_plane/client/trex_stateless_sim.py
new file mode 100644
index 00000000..7829af60
--- /dev/null
+++ b/scripts/automation/trex_control_plane/client/trex_stateless_sim.py
@@ -0,0 +1,176 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Itay Marom
+Cisco Systems, Inc.
+
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+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.
+"""
+
+try:
+    # support import for Python 2
+    import outer_packages
+except ImportError:
+    # support import for Python 3
+    import client.outer_packages
+
+from client_utils.jsonrpc_client import JsonRpcClient, BatchMessage
+from client_utils.packet_builder import CTRexPktBuilder
+import json
+
+from common.trex_streams import *
+
+import argparse
+import tempfile
+import subprocess
+import os
+
+
+
+class SimRun(object):
+    def __init__ (self, yaml_file, dp_core_count, core_index, packet_limit, output_filename):
+
+        self.yaml_file = yaml_file
+        self.output_filename = output_filename
+        self.dp_core_count = dp_core_count
+        self.core_index = core_index
+        self.packet_limit = packet_limit
+
+        # dummies
+        self.handler = 0
+        self.port_id = 0
+        self.mul = {"op": "abs",
+                    "type": "raw",
+                    "value": 1}
+
+        self.duration = -1
+
+    def load_yaml_file (self):
+        streams_db = CStreamsDB()
+        stream_list = streams_db.load_yaml_file(self.yaml_file)
+
+        streams_json = []
+        for stream in stream_list.compiled:
+            stream_json = {"id":1,
+                           "jsonrpc": "2.0",
+                           "method": "add_stream",
+                           "params": {"handler": self.handler,
+                                      "port_id": self.port_id,
+                                      "stream_id": stream.stream_id,
+                                      "stream": stream.stream}
+                           }
+
+            streams_json.append(stream_json)
+
+        return streams_json
+
+
+    def generate_start_cmd (self):
+        return  {"id":1,
+                 "jsonrpc": "2.0",
+                 "method": "start_traffic",
+                 "params": {"handler": self.handler,
+                            "port_id": self.port_id,
+                            "mul": self.mul,
+                            "duration": self.duration}
+                 }
+
+
+    def run (self):
+
+        # load the streams
+        cmds_json = (self.load_yaml_file())
+        cmds_json.append(self.generate_start_cmd())
+
+        f = tempfile.NamedTemporaryFile(delete = False)
+        f.write(json.dumps(cmds_json))
+        f.close()
+
+        try:
+            subprocess.call(['bp-sim-64-debug', '--sl', '-f', f.name, '-o', self.output_filename])
+        finally:
+            os.unlink(f.name)
+
+
+def is_valid_file(filename):
+    if not os.path.isfile(filename):
+        raise argparse.ArgumentTypeError("The file '%s' does not exist" % filename)
+
+    return filename
+
+
+def unsigned_int (x):
+    x = int(x)
+    if x <= 0:
+        raise argparse.ArgumentTypeError("argument must be >= 1")
+
+    return x
+
+def setParserOptions():
+    parser = argparse.ArgumentParser(prog="stl_sim.py")
+
+    parser.add_argument("input_file",
+                        help = "input file in YAML or Python format",
+                        type = is_valid_file)
+
+    parser.add_argument("output_file",
+                        help = "output file in ERF format")
+
+
+    parser.add_argument("-c", "--cores",
+                        help = "DP core count [default is 1]",
+                        default = 1,
+                        type = int,
+                        choices = xrange(1, 9))
+
+    parser.add_argument("-n", "--core_index",
+                        help = "DP core index to examine [default is 0]",
+                        default = 0,
+                        type = int)
+
+    parser.add_argument("-j", "--join",
+                        help = "run and join output from 0..core_count [default is False]",
+                        default = False,
+                        type = bool)
+
+    parser.add_argument("-l", "--limit",
+                        help = "limit test total packet count [default is 5000]",
+                        default = 5000,
+                        type = unsigned_int)
+
+
+
+    return parser
+
+
+def validate_args (parser, options):
+    if options.core_index < 0 or options.core_index >= options.cores:
+        parser.error("DP core index valid range is 0 to {0}".format(options.cores - 1))
+
+
+
+def main ():
+    parser = setParserOptions()
+    options = parser.parse_args()
+
+    validate_args(parser, options)
+
+    r = SimRun(options.input_file, options.cores, options.core_index, options.limit, options.output_file)
+
+    r.run()
+
+
+if __name__ == '__main__':
+    main()
+
+
diff --git a/scripts/stl-sim b/scripts/stl-sim
new file mode 100644
index 00000000..1ca0322e
--- /dev/null
+++ b/scripts/stl-sim
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# if no variable of $PYTHON is define - we try to find it
+function find_python {
+    # two candidates - machine python and cisco linux python
+    MACHINE_PYTHON=python
+    CEL_PYTHON=/router/bin/python
+
+    # try the machine python
+    PYTHON=$MACHINE_PYTHON
+    
+    PCHECK=`$PYTHON -c "import sys; ver = sys.version_info[0] * 10 + sys.version_info[1];sys.exit(ver < 27)"`
+    if [ $? -ne 0 ]; then
+        PYTHON=$CEL_PYTHON
+        PCHECK=`$PYTHON -c "import sys; ver = sys.version_info[0] * 10 + sys.version_info[1];sys.exit(ver < 27)"`
+    
+        if [ $? -ne 0 ]; then
+            echo "*** $PYTHON - python version is too old, 2.7 at least is required"
+            exit -1
+        fi
+    
+    fi
+    
+}
+
+if [ -z "$PYTHON" ]; then
+    find_python
+fi
+
+$PYTHON automation/trex_control_plane/client/trex_stateless_sim.py $@
+