ovsdb-doc: Get manpage name from the XML file instead of command line.
[cascardo/ovs.git] / ovsdb / ovsdb-idlc.in
index dc0839e..67e8a4e 100755 (executable)
@@ -18,9 +18,12 @@ def annotateSchema(schemaFile, annotationFile):
     schemaJson = ovs.json.from_file(schemaFile)
     execfile(annotationFile, globals(), {"s": schemaJson})
     ovs.json.to_stream(schemaJson, sys.stdout)
+    sys.stdout.write('\n')
 
 def constify(cType, const):
-    if (const and cType.endswith('*') and not cType.endswith('**')):
+    if (const
+        and cType.endswith('*') and
+        (cType == 'char **' or not cType.endswith('**'))):
         return 'const %s' % cType
     else:
         return cType
@@ -109,6 +112,7 @@ def printCIDLHeader(schemaFile):
         print "\nextern struct ovsdb_idl_column %s_columns[%s_N_COLUMNS];" % (structName, structName.upper())
 
         print '''
+const struct %(s)s *%(s)s_get_for_uuid(const struct ovsdb_idl *, const struct uuid *);
 const struct %(s)s *%(s)s_first(const struct ovsdb_idl *);
 const struct %(s)s *%(s)s_next(const struct %(s)s *);
 #define %(S)s_FOR_EACH(ROW, IDL) \\
@@ -165,6 +169,8 @@ struct %(s)s *%(s)s_insert(struct ovsdb_idl_txn *);
 
     print "\nextern struct ovsdb_idl_class %sidl_class;" % prefix
     print "\nvoid %sinit(void);" % prefix
+
+    print "\nconst char * %sget_db_version(void);" % prefix
     print "\n#endif /* %(prefix)sIDL_HEADER */" % {'prefix': prefix.upper()}
 
 def printEnum(members):
@@ -186,6 +192,7 @@ def printCIDLSource(schemaFile):
 #include <config.h>
 #include %s
 #include <limits.h>
+#include "ovs-thread.h"
 #include "ovsdb-data.h"
 #include "ovsdb-error.h"
 #include "util.h"
@@ -377,6 +384,12 @@ void
 
         # First, next functions.
         print '''
+const struct %(s)s *
+%(s)s_get_for_uuid(const struct ovsdb_idl *idl, const struct uuid *uuid)
+{
+    return %(s)s_cast(ovsdb_idl_get_row_for_uuid(idl, &%(p)stable_classes[%(P)sTABLE_%(T)s], uuid));
+}
+
 const struct %(s)s *
 %(s)s_first(const struct ovsdb_idl *idl)
 {
@@ -517,34 +530,54 @@ void
             print "{"
             print "    struct ovsdb_datum datum;"
             if type.n_min == 1 and type.n_max == 1:
+                print "    union ovsdb_atom key;"
+                if type.value:
+                    print "    union ovsdb_atom value;"
                 print
                 print "    ovs_assert(inited);"
                 print "    datum.n = 1;"
-                print "    datum.keys = xmalloc(sizeof *datum.keys);"
-                print "    " + type.key.copyCValue("datum.keys[0].%s" % type.key.type.to_string(), keyVar)
+                print "    datum.keys = &key;"
+                print "    " + type.key.assign_c_value_casting_away_const("key.%s" % type.key.type.to_string(), keyVar)
                 if type.value:
-                    print "    datum.values = xmalloc(sizeof *datum.values);"
-                    print "    "+ type.value.copyCValue("datum.values[0].%s" % type.value.type.to_string(), valueVar)
+                    print "    datum.values = &value;"
+                    print "    "+ type.value.assign_c_value_casting_away_const("value.%s" % type.value.type.to_string(), valueVar)
                 else:
                     print "    datum.values = NULL;"
+                txn_write_func = "ovsdb_idl_txn_write_clone"
             elif type.is_optional_pointer():
+                print "    union ovsdb_atom key;"
                 print
                 print "    ovs_assert(inited);"
                 print "    if (%s) {" % keyVar
                 print "        datum.n = 1;"
-                print "        datum.keys = xmalloc(sizeof *datum.keys);"
-                print "        " + type.key.copyCValue("datum.keys[0].%s" % type.key.type.to_string(), keyVar)
+                print "        datum.keys = &key;"
+                print "        " + type.key.assign_c_value_casting_away_const("key.%s" % type.key.type.to_string(), keyVar)
                 print "    } else {"
                 print "        datum.n = 0;"
                 print "        datum.keys = NULL;"
                 print "    }"
                 print "    datum.values = NULL;"
+                txn_write_func = "ovsdb_idl_txn_write_clone"
+            elif type.n_max == 1:
+                print "    union ovsdb_atom key;"
+                print
+                print "    ovs_assert(inited);"
+                print "    if (%s) {" % nVar
+                print "        datum.n = 1;"
+                print "        datum.keys = &key;"
+                print "        " + type.key.assign_c_value_casting_away_const("key.%s" % type.key.type.to_string(), "*" + keyVar)
+                print "    } else {"
+                print "        datum.n = 0;"
+                print "        datum.keys = NULL;"
+                print "    }"
+                print "    datum.values = NULL;"
+                txn_write_func = "ovsdb_idl_txn_write_clone"
             else:
                 print "    size_t i;"
                 print
                 print "    ovs_assert(inited);"
                 print "    datum.n = %s;" % nVar
-                print "    datum.keys = xmalloc(%s * sizeof *datum.keys);" % nVar
+                print "    datum.keys = %s ? xmalloc(%s * sizeof *datum.keys) : NULL;" % (nVar, nVar)
                 if type.value:
                     print "    datum.values = xmalloc(%s * sizeof *datum.values);" % nVar
                 else:
@@ -560,8 +593,10 @@ void
                     valueType = "OVSDB_TYPE_VOID"
                 print "    ovsdb_datum_sort_unique(&datum, %s, %s);" % (
                     type.key.toAtomicType(), valueType)
-            print "    ovsdb_idl_txn_write(&row->header_, &%(s)s_columns[%(S)s_COL_%(C)s], &datum);" \
-                % {'s': structName,
+                txn_write_func = "ovsdb_idl_txn_write"
+            print "    %(f)s(&row->header_, &%(s)s_columns[%(S)s_COL_%(C)s], &datum);" \
+                % {'f': txn_write_func,
+                   's': structName,
                    'S': structName.upper(),
                    'C': columnName.upper()}
             print "}"
@@ -620,6 +655,7 @@ void
     if (inited) {
         return;
     }
+    assert_single_threaded();
     inited = true;
 """ % prefix
     for tableName, table in sorted(schema.tables.iteritems()):
@@ -627,6 +663,16 @@ void
         print "    %s_columns_init();" % structName
     print "}"
 
+    print """
+/* Return the schema version.  The caller must not free the returned value. */
+const char *
+%sget_db_version(void)
+{
+    return "%s";
+}
+""" % (prefix, schema.version)
+
+
 
 def ovsdb_escape(string):
     def escape(match):