--- /dev/null
+#! /usr/bin/python2
+
+# BSD LICENSE
+#
+# Copyright(c) 2016 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Intel Corporation nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#
+# This script creates a visual representation for a configuration file used by
+# the DPDK ip_pipeline application.
+#
+# The input configuration file is translated to an output file in DOT syntax,
+# which is then used to create the image file using graphviz (www.graphviz.org).
+#
+
+from __future__ import print_function
+import argparse
+import re
+import os
+
+#
+# Command to generate the image file
+#
+DOT_COMMAND = 'dot -Gsize=20,30 -Tpng %s > %s'
+
+#
+# Layout of generated DOT file
+#
+DOT_INTRO = \
+ '#\n# Command to generate image file:\n# \t%s\n#\n\n'
+DOT_GRAPH_BEGIN = \
+ 'digraph g {\n graph [ splines = true rankdir = "LR" ]\n'
+DOT_NODE_LINK_RX = \
+ ' "%s RX" [ shape = box style = filled fillcolor = yellowgreen ]\n'
+DOT_NODE_LINK_TX = \
+ ' "%s TX" [ shape = box style = filled fillcolor = yellowgreen ]\n'
+DOT_NODE_KNI_RX = \
+ ' "%s RX" [ shape = box style = filled fillcolor = orange ]\n'
+DOT_NODE_KNI_TX = \
+ ' "%s TX" [ shape = box style = filled fillcolor = orange ]\n'
+DOT_NODE_TAP_RX = \
+ ' "%s RX" [ shape = box style = filled fillcolor = gold ]\n'
+DOT_NODE_TAP_TX = \
+ ' "%s TX" [ shape = box style = filled fillcolor = gold ]\n'
+DOT_NODE_SOURCE = \
+ ' "%s" [ shape = box style = filled fillcolor = darkgreen ]\n'
+DOT_NODE_SINK = \
+ ' "%s" [ shape = box style = filled fillcolor = peachpuff ]\n'
+DOT_NODE_PIPELINE = \
+ ' "%s" [ shape = box style = filled fillcolor = royalblue ]\n'
+DOT_EDGE_PKTQ = \
+ ' "%s" -> "%s" [ label = "%s" color = gray ]\n'
+DOT_GRAPH_END = \
+ '}\n'
+
+# Relationships between the graph nodes and the graph edges:
+#
+# Edge ID | Edge Label | Writer Node | Reader Node | Dependencies
+# --------+------------+-------------+---------------+--------------
+# RXQx.y | RXQx.y | LINKx | PIPELINEz | LINKx
+# TXQx.y | TXQx.y | PIPELINEz | LINKx | LINKx
+# SWQx | SWQx | PIPELINEy | PIPELINEz | -
+# TMx | TMx | PIPELINEy | PIPELINEz | LINKx
+# KNIx RX | KNIx | KNIx RX | PIPELINEy | KNIx, LINKx
+# KNIx TX | KNIx | PIPELINEy | KNIx TX | KNIx, LINKx
+# TAPx RX | TAPx | TAPx RX | PIPELINEy | TAPx
+# TAPx TX | TAPx | PIPELINEy | TAPx TX | TAPx
+# SOURCEx | SOURCEx | SOURCEx | PIPELINEy | SOURCEx
+# SINKx | SINKx | PIPELINEy | SINKx | SINKx
+
+#
+# Parse the input configuration file to detect the graph nodes and edges
+#
+def process_config_file(cfgfile):
+ edges = {}
+ links = set()
+ knis = set()
+ taps = set()
+ sources = set()
+ sinks = set()
+ pipelines = set()
+ pipeline = ''
+
+ dotfile = cfgfile + '.txt'
+ imgfile = cfgfile + '.png'
+
+ #
+ # Read configuration file
+ #
+ lines = open(cfgfile, 'r')
+ for line in lines:
+ # Remove any leading and trailing white space characters
+ line = line.strip()
+
+ # Remove any comment at end of line
+ line, sep, tail = line.partition(';')
+
+ # Look for next "PIPELINE" section
+ match = re.search(r'\[(PIPELINE\d+)\]', line)
+ if match:
+ pipeline = match.group(1)
+ continue
+
+ # Look for next "pktq_in" section entry
+ match = re.search(r'pktq_in\s*=\s*(.+)', line)
+ if match:
+ pipelines.add(pipeline)
+ for q in re.findall('\S+', match.group(1)):
+ match_rxq = re.search(r'^RXQ(\d+)\.\d+$', q)
+ match_swq = re.search(r'^SWQ\d+$', q)
+ match_tm = re.search(r'^TM(\d+)$', q)
+ match_kni = re.search(r'^KNI(\d+)$', q)
+ match_tap = re.search(r'^TAP\d+$', q)
+ match_source = re.search(r'^SOURCE\d+$', q)
+
+ # Set ID for the current packet queue (graph edge)
+ q_id = ''
+ if match_rxq or match_swq or match_tm or match_source:
+ q_id = q
+ elif match_kni or match_tap:
+ q_id = q + ' RX'
+ else:
+ print('Error: Unrecognized pktq_in element "%s"' % q)
+ return
+
+ # Add current packet queue to the set of graph edges
+ if q_id not in edges:
+ edges[q_id] = {}
+ if 'label' not in edges[q_id]:
+ edges[q_id]['label'] = q
+ if 'readers' not in edges[q_id]:
+ edges[q_id]['readers'] = []
+ if 'writers' not in edges[q_id]:
+ edges[q_id]['writers'] = []
+
+ # Add reader for the new edge
+ edges[q_id]['readers'].append(pipeline)
+
+ # Check for RXQ
+ if match_rxq:
+ link = 'LINK' + str(match_rxq.group(1))
+ edges[q_id]['writers'].append(link + ' RX')
+ links.add(link)
+ continue
+
+ # Check for SWQ
+ if match_swq:
+ continue
+
+ # Check for TM
+ if match_tm:
+ link = 'LINK' + str(match_tm.group(1))
+ links.add(link)
+ continue
+
+ # Check for KNI
+ if match_kni:
+ link = 'LINK' + str(match_kni.group(1))
+ edges[q_id]['writers'].append(q_id)
+ knis.add(q)
+ links.add(link)
+ continue
+
+ # Check for TAP
+ if match_tap:
+ edges[q_id]['writers'].append(q_id)
+ taps.add(q)
+ continue
+
+ # Check for SOURCE
+ if match_source:
+ edges[q_id]['writers'].append(q)
+ sources.add(q)
+ continue
+
+ continue
+
+ # Look for next "pktq_out" section entry
+ match = re.search(r'pktq_out\s*=\s*(.+)', line)
+ if match:
+ for q in re.findall('\S+', match.group(1)):
+ match_txq = re.search(r'^TXQ(\d+)\.\d+$', q)
+ match_swq = re.search(r'^SWQ\d+$', q)
+ match_tm = re.search(r'^TM(\d+)$', q)
+ match_kni = re.search(r'^KNI(\d+)$', q)
+ match_tap = re.search(r'^TAP(\d+)$', q)
+ match_sink = re.search(r'^SINK(\d+)$', q)
+
+ # Set ID for the current packet queue (graph edge)
+ q_id = ''
+ if match_txq or match_swq or match_tm or match_sink:
+ q_id = q
+ elif match_kni or match_tap:
+ q_id = q + ' TX'
+ else:
+ print('Error: Unrecognized pktq_out element "%s"' % q)
+ return
+
+ # Add current packet queue to the set of graph edges
+ if q_id not in edges:
+ edges[q_id] = {}
+ if 'label' not in edges[q_id]:
+ edges[q_id]['label'] = q
+ if 'readers' not in edges[q_id]:
+ edges[q_id]['readers'] = []
+ if 'writers' not in edges[q_id]:
+ edges[q_id]['writers'] = []
+
+ # Add writer for the new edge
+ edges[q_id]['writers'].append(pipeline)
+
+ # Check for TXQ
+ if match_txq:
+ link = 'LINK' + str(match_txq.group(1))
+ edges[q_id]['readers'].append(link + ' TX')
+ links.add(link)
+ continue
+
+ # Check for SWQ
+ if match_swq:
+ continue
+
+ # Check for TM
+ if match_tm:
+ link = 'LINK' + str(match_tm.group(1))
+ links.add(link)
+ continue
+
+ # Check for KNI
+ if match_kni:
+ link = 'LINK' + str(match_kni.group(1))
+ edges[q_id]['readers'].append(q_id)
+ knis.add(q)
+ links.add(link)
+ continue
+
+ # Check for TAP
+ if match_tap:
+ edges[q_id]['readers'].append(q_id)
+ taps.add(q)
+ continue
+
+ # Check for SINK
+ if match_sink:
+ edges[q_id]['readers'].append(q)
+ sinks.add(q)
+ continue
+
+ continue
+
+ #
+ # Write DOT file
+ #
+ print('Creating DOT file "%s" ...' % dotfile)
+ dot_cmd = DOT_COMMAND % (dotfile, imgfile)
+ file = open(dotfile, 'w')
+ file.write(DOT_INTRO % dot_cmd)
+ file.write(DOT_GRAPH_BEGIN)
+
+ # Write the graph nodes to the DOT file
+ for l in sorted(links):
+ file.write(DOT_NODE_LINK_RX % l)
+ file.write(DOT_NODE_LINK_TX % l)
+ for k in sorted(knis):
+ file.write(DOT_NODE_KNI_RX % k)
+ file.write(DOT_NODE_KNI_TX % k)
+ for t in sorted(taps):
+ file.write(DOT_NODE_TAP_RX % t)
+ file.write(DOT_NODE_TAP_TX % t)
+ for s in sorted(sources):
+ file.write(DOT_NODE_SOURCE % s)
+ for s in sorted(sinks):
+ file.write(DOT_NODE_SINK % s)
+ for p in sorted(pipelines):
+ file.write(DOT_NODE_PIPELINE % p)
+
+ # Write the graph edges to the DOT file
+ for q in sorted(edges.keys()):
+ rw = edges[q]
+ if 'writers' not in rw:
+ print('Error: "%s" has no writer' % q)
+ return
+ if 'readers' not in rw:
+ print('Error: "%s" has no reader' % q)
+ return
+ for w in rw['writers']:
+ for r in rw['readers']:
+ file.write(DOT_EDGE_PKTQ % (w, r, rw['label']))
+
+ file.write(DOT_GRAPH_END)
+ file.close()
+
+ #
+ # Execute the DOT command to create the image file
+ #
+ print('Creating image file "%s" ...' % imgfile)
+ if os.system('which dot > /dev/null'):
+ print('Error: Unable to locate "dot" executable.' \
+ 'Please install the "graphviz" package (www.graphviz.org).')
+ return
+
+ os.system(dot_cmd)
+
+
+if __name__ == '__main__':
+ parser = argparse.ArgumentParser(description=\
+ 'Create diagram for IP pipeline configuration file.')
+
+ parser.add_argument(
+ '-f',
+ '--file',
+ help='input configuration file (e.g. "ip_pipeline.cfg")',
+ required=True)
+
+ args = parser.parse_args()
+
+ process_config_file(args.file)
Code Review / deb_dpdk.git / blobdiff