blob: 4057b3d869b4ffa397a648ae797f723fdd35ceb8 [file] [log] [blame]
//:: # Copyright 2013, Big Switch Networks, Inc.
//:: #
//:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
//:: # the following special exception:
//:: #
//:: # LOXI Exception
//:: #
//:: # As a special exception to the terms of the EPL, you may distribute libraries
//:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
//:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
//:: # from the LoxiGen Libraries and the notice provided below is (i) included in
//:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
//:: # documentation for the LoxiGen Libraries, if distributed in binary form.
//:: #
//:: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
//:: #
//:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
//:: # a copy of the EPL at:
//:: #
//:: # http::: #www.eclipse.org/legal/epl-v10.html
//:: #
//:: # 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
//:: # EPL for the specific language governing permissions and limitations
//:: # under the EPL.
//::
//:: from loxi_ir import *
//:: import os
//:: import itertools
//:: include('_copyright.java')
//:: include('_autogen.java')
package ${msg.package};
//:: include("_imports.java", msg=msg)
class ${impl_class} implements ${msg.interface.inherited_declaration()} {
//:: if genopts.instrument:
private static final Logger logger = LoggerFactory.getLogger(${impl_class}.class);
//:: #endif
// version: ${version}
final static byte WIRE_VERSION = ${version.int_version};
//:: if msg.is_fixed_length:
final static int LENGTH = ${msg.length};
//:: else:
final static int MINIMUM_LENGTH = ${msg.min_length};
//:: #endif
//:: for prop in msg.data_members:
//:: if prop.java_type.public_type != msg.interface.member_by_name(prop.name).java_type.public_type:
//:: raise Exception("Interface and Class types do not match up: C: {} <-> I: {}".format(prop.java_type.public_type, msg.interface.member_by_name(prop.name).java_type.public_type))
//:: #endif
//:: if prop.default_value:
private final static ${prop.java_type.public_type} ${prop.default_name} = ${prop.default_value};
//:: #endif
//:: #end
// OF message fields
//:: for prop in msg.data_members:
private final ${prop.java_type.public_type} ${prop.name};
//:: #endfor
//
//:: if all(prop.default_value for prop in msg.data_members):
// Immutable default instance
final static ${impl_class} DEFAULT = new ${impl_class}(
${", ".join(prop.default_name for prop in msg.data_members)}
);
//:: #endif
//:: if msg.data_members:
// package private constructor - used by readers, builders, and factory
${impl_class}(${
", ".join("%s %s" %(prop.java_type.public_type, prop.name) for prop in msg.data_members) }) {
//:: for prop in msg.data_members:
this.${prop.name} = ${prop.name};
//:: #endfor
}
//:: else:
final static ${impl_class} INSTANCE = new ${impl_class}();
// private empty constructor - use shared instance!
private ${impl_class}() {
}
//:: #endif
// Accessors for OF message fields
//:: include("_field_accessors.java", msg=msg, generate_setters=False, builder=False, has_parent=False)
//:: if os.path.exists("%s/custom/%s.java" % (template_dir, msg.name)):
//:: include("custom/%s.java" % msg.name, msg=msg)
//:: #endif
//:: if msg.data_members:
public ${msg.interface.name}.Builder createBuilder() {
return new BuilderWithParent(this);
}
static class BuilderWithParent implements ${msg.interface.name}.Builder {
final ${impl_class} parentMessage;
// OF message fields
//:: for prop in msg.data_members:
private boolean ${prop.name}Set;
private ${prop.java_type.public_type} ${prop.name};
//:: #endfor
BuilderWithParent(${impl_class} parentMessage) {
this.parentMessage = parentMessage;
}
//:: include("_field_accessors.java", msg=msg, generate_setters=True, builder=True, has_parent=True)
@Override
public ${msg.interface.name} build() {
//:: for prop in msg.data_members:
${prop.java_type.public_type} ${prop.name} = this.${prop.name}Set ? this.${prop.name} : parentMessage.${prop.name};
//:: if not prop.is_nullable and not prop.java_type.is_primitive:
if(${prop.name} == null)
throw new NullPointerException("Property ${prop.name} must not be null");
//:: #endif
//:: #endfor
//
//:: if os.path.exists("%s/custom/%s.Builder_normalize_stanza.java" % (template_dir, msg.name)):
//:: include("custom/%s.Builder_normalize_stanza.java" % msg.name, msg=msg, has_parent=False)
//:: #endif
return new ${impl_class}(
//:: for i, prop in enumerate(msg.data_members):
//:: comma = "," if i < len(msg.data_members)-1 else ""
${prop.name}${comma}
//:: #endfor
);
}
//:: if os.path.exists("%s/custom/%s.Builder.java" % (template_dir, msg.name)):
//:: include("custom/%s.Builder.java" % msg.name, msg=msg, has_parent=True)
//:: #endif
}
static class Builder implements ${msg.interface.name}.Builder {
// OF message fields
//:: for prop in msg.data_members:
private boolean ${prop.name}Set;
private ${prop.java_type.public_type} ${prop.name};
//:: #endfor
//:: include("_field_accessors.java", msg=msg, generate_setters=True, builder=True, has_parent=False)
//
@Override
public ${msg.interface.name} build() {
//:: for prop in msg.data_members:
//:: if prop.default_value:
${prop.java_type.public_type} ${prop.name} = this.${prop.name}Set ? this.${prop.name} : ${prop.default_name};
//:: else:
if(!this.${prop.name}Set)
throw new IllegalStateException("Property ${prop.name} doesn't have default value -- must be set");
//:: #endif
//:: if not prop.is_nullable and not prop.java_type.is_primitive:
if(${prop.name} == null)
throw new NullPointerException("Property ${prop.name} must not be null");
//:: #endif
//:: #endfor
//:: if os.path.exists("%s/custom/%s.Builder_normalize_stanza.java" % (template_dir, msg.name)):
//:: include("custom/%s.Builder_normalize_stanza.java" % msg.name, msg=msg, has_parent=False)
//:: #endif
return new ${impl_class}(
//:: for i, prop in enumerate(msg.data_members):
//:: comma = "," if i < len(msg.data_members)-1 else ""
${prop.name}${comma}
//:: #endfor
);
}
//:: if os.path.exists("%s/custom/%s.Builder.java" % (template_dir, msg.name)):
//:: include("custom/%s.Builder.java" % msg.name, msg=msg, has_parent=False)
//:: #endif
}
//:: else:
// no data members - do not support builder
public ${msg.interface.name}.Builder createBuilder() {
throw new UnsupportedOperationException("${impl_class} has no mutable properties -- builder unneeded");
}
//:: #endif
final static Reader READER = new Reader();
static class Reader implements OFMessageReader<${msg.interface.name}> {
@Override
public ${msg.interface.name} readFrom(ChannelBuffer bb) throws OFParseError {
//:: for prop in msg.members:
//:: if not prop.is_virtual and (prop.is_length_value or prop.is_field_length_value):
int start = bb.readerIndex();
//:: break
//:: #endif
//:: #endfor
//:: fields_with_length_member = {}
//:: for prop in msg.members:
//:: if prop.is_virtual:
//:: continue
//:: elif prop.is_data:
${prop.java_type.public_type} ${prop.name} = ${prop.java_type.read_op(version, pub_type=True,
length=fields_with_length_member[prop.c_name] if prop.c_name in fields_with_length_member else None)};
//:: elif prop.is_pad:
// pad: ${prop.length} bytes
bb.skipBytes(${prop.length});
//:: elif prop.is_length_value:
${prop.java_type.public_type} ${prop.name} = ${prop.java_type.read_op(version, pub_type=True)};
//:: if prop.is_fixed_value:
if(${prop.name} != ${prop.value})
throw new OFParseError("Wrong ${prop.name}: Expected=${prop.enum_value}(${prop.value}), got="+${prop.name});
//:: else:
if(${prop.name} < MINIMUM_LENGTH)
throw new OFParseError("Wrong ${prop.name}: Expected to be >= " + MINIMUM_LENGTH + ", was: " + ${prop.name});
//:: #endif
if(bb.readableBytes() + (bb.readerIndex() - start) < ${prop.name}) {
// Buffer does not have all data yet
bb.readerIndex(start);
return null;
}
//:: if genopts.instrument:
if(logger.isTraceEnabled())
logger.trace("readFrom - length={}", ${prop.name});
//:: #endif
//:: elif prop.is_fixed_value:
// fixed value property ${prop.name} == ${prop.value}
${prop.java_type.priv_type} ${prop.name} = ${prop.java_type.read_op(version, pub_type=False)};
if(${prop.name} != ${prop.priv_value})
throw new OFParseError("Wrong ${prop.name}: Expected=${prop.enum_value}(${prop.value}), got="+${prop.name});
//:: elif prop.is_field_length_value:
//:: fields_with_length_member[prop.member.field_name] = prop.name
${prop.java_type.public_type} ${prop.name} = ${prop.java_type.read_op(version, pub_type=True)};
//:: else:
// fixme: todo ${prop.name}
//:: #endif
//:: #endfor
//:: if msg.align:
//:: if msg.length_includes_align:
// align message to ${msg.align} bytes (length contains aligned value)
bb.skipBytes(length - (bb.readerIndex() - start));
//:: else:
// align message to ${msg.align} bytes (length does not contain alignment)
bb.skipBytes(((length + ${msg.align-1})/${msg.align} * ${msg.align} ) - length );
//:: #endif
//:: #endif
//:: if msg.data_members:
//:: if os.path.exists("%s/custom/%s.Reader_normalize_stanza.java" % (template_dir, msg.name)):
//:: include("custom/%s.Reader_normalize_stanza.java" % msg.name, msg=msg, has_parent=False)
//:: #endif
${impl_class} ${msg.variable_name} = new ${impl_class}(
${",\n ".join(
[ prop.name for prop in msg.data_members])}
);
//:: if genopts.instrument:
if(logger.isTraceEnabled())
logger.trace("readFrom - read={}", ${msg.variable_name});
//:: #endif
return ${msg.variable_name};
//:: else:
//:: if genopts.instrument:
if(logger.isTraceEnabled())
logger.trace("readFrom - returning shared instance={}", INSTANCE);
//:: #endif
return INSTANCE;
//:: #endif
}
}
public void putTo(PrimitiveSink sink) {
FUNNEL.funnel(this, sink);
}
final static ${impl_class}Funnel FUNNEL = new ${impl_class}Funnel();
static class ${impl_class}Funnel implements Funnel<${impl_class}> {
private static final long serialVersionUID = 1L;
@Override
public void funnel(${impl_class} message, PrimitiveSink sink) {
//:: for prop in msg.members:
//:: if prop.is_virtual:
//:: continue
//:: elif prop.is_data:
${prop.java_type.funnel_op(version, "message." + prop.name, pub_type=True)};
//:: elif prop.is_pad:
// skip pad (${prop.length} bytes)
//:: elif prop.is_fixed_value:
// fixed value property ${prop.name} = ${prop.value}
${prop.java_type.funnel_op(version, prop.priv_value, pub_type=False)};
//:: else:
// FIXME: skip funnel of ${prop.name}
//:: #endif
//:: #endfor
}
}
public void writeTo(ChannelBuffer bb) {
WRITER.write(bb, this);
}
final static Writer WRITER = new Writer();
static class Writer implements OFMessageWriter<${impl_class}> {
@Override
public void write(ChannelBuffer bb, ${impl_class} message) {
//:: if not msg.is_fixed_length:
int startIndex = bb.writerIndex();
//:: #endif
//:: fields_with_length_member = {}
//:: for prop in msg.members:
//:: if prop.c_name in fields_with_length_member:
int ${prop.name}StartIndex = bb.writerIndex();
//:: #endif
//:: if prop.is_virtual:
//:: continue
//:: elif prop.is_data:
${prop.java_type.write_op(version, "message." + prop.name, pub_type=True)};
//:: elif prop.is_pad:
// pad: ${prop.length} bytes
bb.writeZero(${prop.length});
//:: elif prop.is_fixed_value:
// fixed value property ${prop.name} = ${prop.value}
${prop.java_type.write_op(version, prop.priv_value, pub_type=False)};
//:: elif prop.is_length_value:
// ${prop.name} is length of variable message, will be updated at the end
//:: if not msg.is_fixed_length:
int lengthIndex = bb.writerIndex();
//:: #end
${prop.java_type.write_op(version, 0)};
//:: elif prop.is_field_length_value:
//:: fields_with_length_member[prop.member.field_name] = prop.name
// ${prop.name} is length indicator for ${prop.member.field_name}, will be
// udpated when ${prop.member.field_name} has been written
int ${prop.name}Index = bb.writerIndex();
${prop.java_type.write_op(version, 0, pub_type=False)};
//:: else:
// FIXME: todo write ${prop.name}
//:: #endif
//:: if prop.c_name in fields_with_length_member:
//:: length_member_name = fields_with_length_member[prop.c_name]
// update field length member ${length_member_name}
int ${prop.name}Length = bb.writerIndex() - ${prop.name}StartIndex;
bb.setShort(${length_member_name}Index, ${prop.name}Length);
//:: #endif
//:: #endfor
//:: if not msg.is_fixed_length:
// update length field
int length = bb.writerIndex() - startIndex;
//:: if msg.align:
int alignedLength = ((length + ${msg.align-1})/${msg.align} * ${msg.align});
//:: #endif
bb.setShort(lengthIndex, ${"alignedLength" if msg.length_includes_align else "length"});
//:: if msg.align:
// align message to ${msg.align} bytes
bb.writeZero(alignedLength - length);
//:: #endif
//:: #end
}
}
@Override
public String toString() {
StringBuilder b = new StringBuilder("${msg.name}(");
//:: for i, prop in enumerate(msg.data_members):
//:: if i > 0:
b.append(", ");
//:: #endif
b.append("${prop.name}=").append(${ "Arrays.toString(%s)" % prop.name if prop.java_type.is_array else prop.name });
//:: #endfor
b.append(")");
return b.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
//:: if len(msg.data_members) > 0:
${msg.name} other = (${msg.name}) obj;
//:: #endif
//:: for prop in msg.data_members:
//:: if prop.java_type.is_primitive:
if( ${prop.name} != other.${prop.name})
return false;
//:: elif prop.java_type.is_array:
if (!Arrays.equals(${prop.name}, other.${prop.name}))
return false;
//:: else:
if (${prop.name} == null) {
if (other.${prop.name} != null)
return false;
} else if (!${prop.name}.equals(other.${prop.name}))
return false;
//:: #endif
//:: #endfor
return true;
}
@Override
public int hashCode() {
//:: if len(msg.data_members) > 0:
final int prime = 31;
//:: #endif
int result = 1;
//:: for prop in msg.data_members:
//:: if prop.java_type.pub_type == 'long':
result = prime * (int) (${prop.name} ^ (${prop.name} >>> 32));
//:: elif prop.java_type.pub_type == 'boolean':
result = prime * result + (${prop.name} ? 1231 : 1237);
//:: elif prop.java_type.is_primitive:
result = prime * result + ${prop.name};
//:: elif prop.java_type.is_array:
result = prime * result + Arrays.hashCode(${prop.name});
//:: else:
result = prime * result + ((${prop.name} == null) ? 0 : ${prop.name}.hashCode());
//:: #endif
//:: #endfor
return result;
}
}