Setting tag sliver-openvswitch-2.2.90-1

[sliver-openvswitch.git] / ovsdb / ovsdb-dot.in

diff --git a/ovsdb/ovsdb-dot.in b/ovsdb/ovsdb-dot.in
index 4569f2e..006d7ed 100755 (executable)
--- a/ovsdb/ovsdb-dot.in
+++ b/ovsdb/ovsdb-dot.in
@@ -10,32 +10,56 @@ import sys
 
 argv0 = sys.argv[0]
 
-def printEdge(tableName, baseType, label):
-    if baseType.ref_table:
+def printEdge(tableName, type, baseType, label):
+    if baseType.ref_table_name:
+        if type.n_min == 0:
+            if type.n_max == 1:
+                arity = "?"
+            elif type.n_max == sys.maxint:
+                arity = "*"
+            else:
+                arity = "{,%d}" % type.n_max
+        elif type.n_min == 1:
+            if type.n_max == 1:
+                arity = ""
+            elif type.n_max == sys.maxint:
+                arity = "+"
+            else:
+                arity = "{1,%d}" % type.n_max
+
         options = {}
-        options['label'] = '"%s"' % label
+        options['label'] = '"%s%s"' % (label, arity)
         if baseType.ref_type == 'weak':
             options['constraint'] = 'false'
+            options['style'] = 'dotted'
         print "\t%s -> %s [%s];" % (
             tableName,
-            baseType.ref_table,
+            baseType.ref_table_name,
             ', '.join(['%s=%s' % (k,v) for k,v in options.items()]))
 
-def schemaToDot(schemaFile):
+def schemaToDot(schemaFile, arrows):
     schema = ovs.db.schema.DbSchema.from_json(ovs.json.from_file(schemaFile))
 
     print "digraph %s {" % schema.name
+    print '\trankdir=LR;'
+    print '\tsize="6.5,4";'
+    print '\tmargin="0";'
+    print "\tnode [shape=box];"
+    if not arrows:
+        print "\tedge [dir=none, arrowhead=none, arrowtail=none];"
     for tableName, table in schema.tables.iteritems():
-        print '\tsize="6.5,4";'
-        print '\tmargin="0";'
-        print "\tnode [shape=box];"
-        print "\t%s;" % tableName
+        options = {}
+        if table.is_root:
+            options['style'] = 'bold'
+        print "\t%s [%s];" % (
+            tableName,
+            ', '.join(['%s=%s' % (k,v) for k,v in options.items()]))
         for columnName, column in table.columns.iteritems():
             if column.type.value:
-                printEdge(tableName, column.type.key, "%s key" % columnName)
-                printEdge(tableName, column.type.value, "%s value" % columnName)
+                printEdge(tableName, column.type, column.type.key, "%s key" % columnName)
+                printEdge(tableName, column.type, column.type.value, "%s value" % columnName)
             else:
-                printEdge(tableName, column.type.key, columnName)
+                printEdge(tableName, column.type, column.type.key, columnName)
     print "}";
 
 def usage():
@@ -46,6 +70,7 @@ usage: %(argv0)s [OPTIONS] SCHEMA
 where SCHEMA is an OVSDB schema in JSON format
 
 The following options are also available:
+  --no-arrows                 omit arrows from diagram
   -h, --help                  display this help message
   -V, --version               display version information\
 """ % {'argv0': argv0}
@@ -55,26 +80,30 @@ if __name__ == "__main__":
     try:
         try:
             options, args = getopt.gnu_getopt(sys.argv[1:], 'hV',
-                                              ['help', 'version'])
+                                              ['no-arrows',
+                                               'help', 'version',])
         except getopt.GetoptError, geo:
             sys.stderr.write("%s: %s\n" % (argv0, geo.msg))
             sys.exit(1)
 
+        arrows = True
         for key, value in options:
-            if key in ['-h', '--help']:
+            if key == '--no-arrows':
+                arrows = False
+            elif key in ['-h', '--help']:
                 usage()
             elif key in ['-V', '--version']:
                 print "ovsdb-dot (Open vSwitch) @VERSION@"
             else:
                 sys.exit(0)
-            
+
         if len(args) != 1:
             sys.stderr.write("%s: exactly 1 non-option argument required "
                              "(use --help for help)\n" % argv0)
             sys.exit(1)
 
-        schemaToDot(args[0])
-        
+        schemaToDot(args[0], arrows)
+
     except ovs.db.error.Error, e:
         sys.stderr.write("%s: %s\n" % (argv0, e.msg))
         sys.exit(1)