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-rw-r--r--vpp-api/java/jvpp/gen/jvppgen/dto_gen.py2
-rw-r--r--vpp-api/java/jvpp/gen/jvppgen/jni_gen.py291
-rw-r--r--vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py286
-rw-r--r--vpp-api/java/jvpp/gen/jvppgen/types_gen.py227
-rw-r--r--vpp-api/java/jvpp/gen/jvppgen/util.py130
5 files changed, 627 insertions, 309 deletions
diff --git a/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py b/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
index 12354793bf7..a043c9459b0 100644
--- a/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
+++ b/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
@@ -280,7 +280,7 @@ def generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_
cls_name = camel_case_dto_name + dump_dto_suffix
# using artificial type for fields, just to bypass the is_array check in base methods generators
# the type is not really used
- artificial_type = 'jstring'
+ artificial_type = 'u8'
# In case of already existing artificial reply dump DTO, just update it
# Used for sub-dump dtos
diff --git a/vpp-api/java/jvpp/gen/jvppgen/jni_gen.py b/vpp-api/java/jvpp/gen/jvppgen/jni_gen.py
new file mode 100644
index 00000000000..4b03b31d163
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/jvppgen/jni_gen.py
@@ -0,0 +1,291 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# 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.
+
+from string import Template
+
+import util
+
+variable_length_array_value_template = Template("""mp->${length_var_name}""")
+variable_length_array_template = Template("""clib_net_to_host_${length_field_type}(${value})""")
+
+dto_field_id_template = Template("""
+ jfieldID ${field_reference_name}FieldId = (*env)->GetFieldID(env, ${class_ref_name}Class, "${field_name}", "${jni_signature}");""")
+
+default_dto_field_setter_template = Template("""
+ (*env)->Set${jni_setter}(env, ${object_name}, ${field_reference_name}FieldId, mp->${c_name});
+""")
+
+variable_length_array_value_template = Template("""mp->${length_var_name}""")
+variable_length_array_template = Template("""clib_net_to_host_${length_field_type}(${value})""")
+
+u16_dto_field_setter_template = Template("""
+ (*env)->Set${jni_setter}(env, ${object_name}, ${field_reference_name}FieldId, clib_net_to_host_u16(mp->${c_name}));
+""")
+
+u32_dto_field_setter_template = Template("""
+ (*env)->Set${jni_setter}(env, ${object_name}, ${field_reference_name}FieldId, clib_net_to_host_u32(mp->${c_name}));
+""")
+
+u64_dto_field_setter_template = Template("""
+ (*env)->Set${jni_setter}(env, ${object_name}, ${field_reference_name}FieldId, clib_net_to_host_u64(mp->${c_name}));
+""")
+
+u8_array_dto_field_setter_template = Template("""
+ jbyteArray ${field_reference_name} = (*env)->NewByteArray(env, ${field_length});
+ (*env)->SetByteArrayRegion(env, ${field_reference_name}, 0, ${field_length}, (const jbyte*)mp->${c_name});
+ (*env)->SetObjectField(env, ${object_name}, ${field_reference_name}FieldId, ${field_reference_name});
+""")
+
+u16_array_dto_field_setter_template = Template("""
+ {
+ jshortArray ${field_reference_name} = (*env)->NewShortArray(env, ${field_length});
+ jshort * ${field_reference_name}ArrayElements = (*env)->GetShortArrayElements(env, ${field_reference_name}, NULL);
+ unsigned int _i;
+ for (_i = 0; _i < ${field_length}; _i++) {
+ ${field_reference_name}ArrayElements[_i] = clib_net_to_host_u16(mp->${c_name}[_i]);
+ }
+
+ (*env)->ReleaseShortArrayElements(env, ${field_reference_name}, ${field_reference_name}ArrayElements, 0);
+ (*env)->SetObjectField(env, ${object_name}, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+u32_array_dto_field_setter_template = Template("""
+ {
+ jintArray ${field_reference_name} = (*env)->NewIntArray(env, ${field_length});
+ jint * ${field_reference_name}ArrayElements = (*env)->GetIntArrayElements(env, ${field_reference_name}, NULL);
+ unsigned int _i;
+ for (_i = 0; _i < ${field_length}; _i++) {
+ ${field_reference_name}ArrayElements[_i] = clib_net_to_host_u32(mp->${c_name}[_i]);
+ }
+
+ (*env)->ReleaseIntArrayElements(env, ${field_reference_name}, ${field_reference_name}ArrayElements, 0);
+ (*env)->SetObjectField(env, ${object_name}, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+# For each u64 array we get its elements. Then we convert values to host byte order.
+# All changes to jlong* buffer are written to jlongArray (isCopy is set to NULL)
+u64_array_dto_field_setter_template = Template("""
+ {
+ jlongArray ${field_reference_name} = (*env)->NewLongArray(env, ${field_length});
+ jlong * ${field_reference_name}ArrayElements = (*env)->GetLongArrayElements(env, ${field_reference_name}, NULL);
+ unsigned int _i;
+ for (_i = 0; _i < ${field_length}; _i++) {
+ ${field_reference_name}ArrayElements[_i] = clib_net_to_host_u64(mp->${c_name}[_i]);
+ }
+
+ (*env)->ReleaseLongArrayElements(env, ${field_reference_name}, ${field_reference_name}ArrayElements, 0);
+ (*env)->SetObjectField(env, ${object_name}, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+dto_field_setter_templates = {'u8': default_dto_field_setter_template,
+ 'u16': u16_dto_field_setter_template,
+ 'u32': u32_dto_field_setter_template,
+ 'i32': u32_dto_field_setter_template,
+ 'u64': u64_dto_field_setter_template,
+ 'f64': default_dto_field_setter_template, # fixme
+ 'u8[]': u8_array_dto_field_setter_template,
+ 'u16[]': u16_array_dto_field_setter_template,
+ 'u32[]': u32_array_dto_field_setter_template,
+ 'u64[]': u64_array_dto_field_setter_template
+ }
+
+
+def jni_reply_handler_for_type(handler_name, ref_name, field_type, c_name, field_reference_name,
+ field_name, field_length, is_variable_len_array, length_field_type,
+ object_name="dto"):
+ """
+ Generates jni code that initializes a field of java object (dto or custom type).
+ To be used in reply message handlers.
+ :param field_type: type of the field to be initialized (as defined in vpe.api)
+ :param c_name: name of the message struct member that stores initialization value
+ :param field_reference_name: name of the field reference in generated code
+ :param field_name: name of the field (camelcase)
+ :param field_length: integer or name of variable that stores field length
+ :param object_name: name of the object to be initialized
+ """
+
+ # todo move validation to vppapigen
+ if field_type.endswith('[]') and field_length == '0':
+ raise Exception('Variable array \'%s\' defined in \'%s\' '
+ 'should have defined length (e.g. \'%s[%s_length]\''
+ % (c_name, handler_name, c_name, c_name))
+
+ if is_variable_len_array:
+ length_var_name = field_length
+ field_length = variable_length_array_value_template.substitute(length_var_name=length_var_name)
+ if length_field_type != 'u8': # we need net to host conversion:
+ field_length = variable_length_array_template.substitute(
+ length_field_type=length_field_type, value=field_length)
+
+ # for retval don't generate setters
+ if util.is_retval_field(c_name):
+ return ""
+
+ jni_signature = util.jni_2_signature_mapping[field_type]
+ jni_setter = util.jni_field_accessors[field_type]
+
+ result = dto_field_id_template.substitute(
+ field_reference_name=field_reference_name,
+ field_name=field_name,
+ class_ref_name=ref_name,
+ jni_signature=jni_signature)
+
+ dto_setter_template = dto_field_setter_templates[field_type]
+
+ result += dto_setter_template.substitute(
+ jni_signature=jni_signature,
+ object_name=object_name,
+ field_reference_name=field_reference_name,
+ c_name=c_name,
+ jni_setter=jni_setter,
+ field_length=field_length)
+ return result
+
+
+request_field_identifier_template = Template("""
+ jfieldID ${field_reference_name}FieldId = (*env)->GetFieldID(env, ${object_name}Class, "${field_name}", "${jni_signature}");
+ ${jni_type} ${field_reference_name} = (*env)->Get${jni_getter}(env, ${object_name}, ${field_reference_name}FieldId);
+ """)
+
+array_length_enforcement_template = Template("""
+ size_t max_size = ${field_length};
+ if (cnt > max_size) cnt = max_size;""")
+
+u8_struct_setter_template = Template("""
+ mp->${c_name} = ${field_reference_name};""")
+
+u16_struct_setter_template = Template("""
+ mp->${c_name} = clib_host_to_net_u16(${field_reference_name});""")
+
+u32_struct_setter_template = Template("""
+ mp->${c_name} = clib_host_to_net_u32(${field_reference_name});""")
+
+i32_struct_setter_template = Template("""
+ mp->${c_name} = clib_host_to_net_i32(${field_reference_name});!""")
+
+u64_struct_setter_template = Template("""
+ mp->${c_name} = clib_host_to_net_u64(${field_reference_name});""")
+
+array_length_enforcement_template = Template("""
+ size_t max_size = ${field_length};
+ if (cnt > max_size) cnt = max_size;""")
+
+u8_array_struct_setter_template = Template("""
+ if (${field_reference_name}) {
+ jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
+ ${field_length_check}
+ (*env)->GetByteArrayRegion(env, ${field_reference_name}, 0, cnt, (jbyte *)mp->${c_name});
+ }
+""")
+
+u16_array_struct_setter_template = Template("""
+ jshort * ${field_reference_name}ArrayElements = (*env)->GetShortArrayElements(env, ${field_reference_name}, NULL);
+ if (${field_reference_name}) {
+ size_t _i;
+ jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
+ ${field_length_check}
+ for (_i = 0; _i < cnt; _i++) {
+ mp->${c_name}[_i] = clib_host_to_net_u16(${field_reference_name}ArrayElements[_i]);
+ }
+ }
+ (*env)->ReleaseShortArrayElements (env, ${field_reference_name}, ${field_reference_name}ArrayElements, 0);
+ """)
+
+u32_array_struct_setter_template = Template("""
+ jint * ${field_reference_name}ArrayElements = (*env)->GetIntArrayElements(env, ${field_reference_name}, NULL);
+ if (${field_reference_name}) {
+ size_t _i;
+ jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
+ ${field_length_check}
+ for (_i = 0; _i < cnt; _i++) {
+ mp->${c_name}[_i] = clib_host_to_net_u32(${field_reference_name}ArrayElements[_i]);
+ }
+ }
+ (*env)->ReleaseIntArrayElements (env, ${field_reference_name}, ${field_reference_name}ArrayElements, 0);
+ """)
+
+u64_array_struct_setter_template = Template("""
+ jlong * ${field_reference_name}ArrayElements = (*env)->GetLongArrayElements(env, ${field_reference_name}, NULL);
+ if (${field_reference_name}) {
+ size_t _i;
+ jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
+ ${field_length_check}
+ for (_i = 0; _i < cnt; _i++) {
+ mp->${c_name}[_i] = clib_host_to_net_u64(${field_reference_name}ArrayElements[_i]);
+ }
+ }
+ (*env)->ReleaseLongArrayElements (env, ${field_reference_name}, ${field_reference_name}ArrayElements, 0);
+ """)
+
+struct_setter_templates = {'u8': u8_struct_setter_template,
+ 'u16': u16_struct_setter_template,
+ 'u32': u32_struct_setter_template,
+ 'i32': u32_struct_setter_template,
+ 'u64': u64_struct_setter_template,
+ 'u8[]': u8_array_struct_setter_template,
+ 'u16[]': u16_array_struct_setter_template,
+ 'u32[]': u32_array_struct_setter_template,
+ 'u64[]': u64_array_struct_setter_template
+ }
+
+
+def jni_request_binding_for_type(field_type, c_name, field_reference_name, field_name, field_length,
+ is_variable_len_array, object_name="request"):
+ """
+ Generates jni code that initializes C structure that corresponds to a field of java object
+ (dto or custom type). To be used in request message handlers.
+ :param field_type: type of the field to be initialized (as defined in vpe.api)
+ :param c_name: name of the message struct member to be initialized
+ :param field_reference_name: name of the field reference in generated code
+ :param field_name: name of the field (camelcase)
+ :param field_length: integer or name of variable that stores field length
+ :param object_name: name of the object to be initialized
+ """
+ # field identifiers
+ jni_type = util.vpp_2_jni_type_mapping[field_type]
+ jni_signature = util.jni_2_signature_mapping[field_type]
+ jni_getter = util.jni_field_accessors[field_type]
+
+ # field identifier
+ msg_initialization = request_field_identifier_template.substitute(
+ jni_type=jni_type,
+ field_reference_name=field_reference_name,
+ field_name=field_name,
+ jni_signature=jni_signature,
+ jni_getter=jni_getter,
+ object_name=object_name)
+
+ # field setter
+ field_length_check = ""
+
+ # check if we are processing variable length array:
+ if is_variable_len_array:
+ field_length = util.underscore_to_camelcase(field_length)
+
+ # enforce max length if array has fixed length or uses variable length syntax
+ if str(field_length) != "0":
+ field_length_check = array_length_enforcement_template.substitute(field_length=field_length)
+
+ struct_setter_template = struct_setter_templates[field_type]
+
+ msg_initialization += struct_setter_template.substitute(
+ c_name=c_name,
+ field_reference_name=field_reference_name,
+ field_length_check=field_length_check)
+
+ return msg_initialization
diff --git a/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py b/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py
index d63acd6965f..1a35a6c09c0 100644
--- a/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py
+++ b/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py
@@ -17,6 +17,9 @@
import os, util
from string import Template
+import jni_gen
+
+
def is_manually_generated(f_name, plugin_name):
return f_name in {'control_ping_reply'}
@@ -54,6 +57,7 @@ static void delete_class_references(JNIEnv* env) {
$delete_class_invocations
}""")
+
def generate_class_cache(func_list, plugin_name):
class_references = []
find_class_invocations = []
@@ -105,94 +109,10 @@ request_class_template = Template("""
jclass requestClass = (*env)->FindClass(env, "io/fd/vpp/jvpp/${plugin_name}/dto/${java_name_upper}");""")
request_field_identifier_template = Template("""
- jfieldID ${java_name}FieldId = (*env)->GetFieldID(env, requestClass, "${java_name}", "${jni_signature}");
- ${jni_type} ${java_name} = (*env)->Get${jni_getter}(env, request, ${java_name}FieldId);
+ jfieldID ${field_reference_name}FieldId = (*env)->GetFieldID(env, ${object_name}Class, "${field_name}", "${jni_signature}");
+ ${jni_type} ${field_reference_name} = (*env)->Get${jni_getter}(env, ${object_name}, ${field_reference_name}FieldId);
""")
-u8_struct_setter_template = Template("""
- mp->${c_name} = ${java_name};""")
-
-u16_struct_setter_template = Template("""
- mp->${c_name} = clib_host_to_net_u16(${java_name});""")
-
-u32_struct_setter_template = Template("""
- mp->${c_name} = clib_host_to_net_u32(${java_name});""")
-
-i32_struct_setter_template = Template("""
- mp->${c_name} = clib_host_to_net_i32(${java_name});!""")
-
-u64_struct_setter_template = Template("""
- mp->${c_name} = clib_host_to_net_u64(${java_name});""")
-
-fixed_array_length_enforcement_template = Template("""
- size_t max_size = ${field_length};
- if (cnt > max_size) cnt = max_size;""")
-
-u8_array_struct_setter_template = Template("""
- if (${java_name}) {
- jsize cnt = (*env)->GetArrayLength (env, ${java_name});
- ${field_length_check}
- (*env)->GetByteArrayRegion(env, ${java_name}, 0, cnt, (jbyte *)mp->${c_name});
- }
-""")
-
-u16_array_struct_setter_template = Template("""
- jshort * ${java_name}ArrayElements = (*env)->GetShortArrayElements(env, ${java_name}, NULL);
- if (${java_name}) {
- size_t _i;
- jsize cnt = (*env)->GetArrayLength (env, ${java_name});
- ${field_length_check}
- for (_i = 0; _i < cnt; _i++) {
- mp->${c_name}[_i] = clib_host_to_net_u16(${java_name}ArrayElements[_i]);
- }
- }
- (*env)->ReleaseShortArrayElements (env, ${java_name}, ${java_name}ArrayElements, 0);
- """)
-
-u32_array_struct_setter_template = Template("""
- jint * ${java_name}ArrayElements = (*env)->GetIntArrayElements(env, ${java_name}, NULL);
- if (${java_name}) {
- size_t _i;
- jsize cnt = (*env)->GetArrayLength (env, ${java_name});
- ${field_length_check}
- for (_i = 0; _i < cnt; _i++) {
- mp->${c_name}[_i] = clib_host_to_net_u32(${java_name}ArrayElements[_i]);
- }
- }
- (*env)->ReleaseIntArrayElements (env, ${java_name}, ${java_name}ArrayElements, 0);
- """)
-
-u64_array_struct_setter_template = Template("""
- jlong * ${java_name}ArrayElements = (*env)->GetLongArrayElements(env, ${java_name}, NULL);
- if (${java_name}) {
- size_t _i;
- jsize cnt = (*env)->GetArrayLength (env, ${java_name});
- ${field_length_check}
- for (_i = 0; _i < cnt; _i++) {
- mp->${c_name}[_i] = clib_host_to_net_u64(${java_name}ArrayElements[_i]);
- }
- }
- (*env)->ReleaseLongArrayElements (env, ${java_name}, ${java_name}ArrayElements, 0);
- """)
-
-vl_api_ip4_fib_counter_t_array_struct_setter_template = Template("""
- // vl_api_ip4_fib_counter_t_array_field_setter_template FIXME""")
-
-vl_api_ip6_fib_counter_t_array_struct_setter_template = Template("""
- // vl_api_ip6_fib_counter_t_array_field_setter_template FIXME""")
-
-struct_setter_templates = {'u8': u8_struct_setter_template,
- 'u16': u16_struct_setter_template,
- 'u32': u32_struct_setter_template,
- 'i32': u32_struct_setter_template,
- 'u64': u64_struct_setter_template,
- 'u8[]': u8_array_struct_setter_template,
- 'u16[]': u16_array_struct_setter_template,
- 'u32[]': u32_array_struct_setter_template,
- 'u64[]': u64_array_struct_setter_template,
- 'vl_api_ip4_fib_counter_t[]': vl_api_ip4_fib_counter_t_array_struct_setter_template,
- 'vl_api_ip6_fib_counter_t[]': vl_api_ip6_fib_counter_t_array_struct_setter_template
- }
jni_impl_template = Template("""
/**
@@ -200,13 +120,12 @@ jni_impl_template = Template("""
* Generated based on $inputfile preparsed data:
$api_data
*/
-JNIEXPORT jint JNICALL Java_io_fd_vpp_jvpp_${plugin_name}_JVpp${java_plugin_name}Impl_${java_name}0
+JNIEXPORT jint JNICALL Java_io_fd_vpp_jvpp_${plugin_name}_JVpp${java_plugin_name}Impl_${field_name}0
(JNIEnv * env, jclass clazz$args) {
${plugin_name}_main_t *plugin_main = &${plugin_name}_main;
vl_api_${c_name}_t * mp;
u32 my_context_id = vppjni_get_context_id (&jvpp_main);
$request_class
- $field_identifiers
// create message:
mp = vl_msg_api_alloc(sizeof(*mp));
@@ -215,7 +134,8 @@ JNIEXPORT jint JNICALL Java_io_fd_vpp_jvpp_${plugin_name}_JVpp${java_plugin_name
mp->client_index = plugin_main->my_client_index;
mp->context = clib_host_to_net_u32 (my_context_id);
- $struct_setters
+ $msg_initialization
+
// send message:
vl_msg_api_send_shmem (plugin_main->vl_input_queue, (u8 *)&mp);
if ((*env)->ExceptionCheck(env)) {
@@ -235,8 +155,7 @@ def generate_jni_impl(func_list, plugin_name, inputfile):
arguments = ''
request_class = ''
- field_identifiers = ''
- struct_setters = ''
+ msg_initialization = ''
f_name_uppercase = f_name.upper()
if f['args']:
@@ -247,142 +166,29 @@ def generate_jni_impl(func_list, plugin_name, inputfile):
java_name_upper=camel_case_function_name_upper,
plugin_name=plugin_name)
- # field identifiers
- for t in zip(f['types'], f['args']):
- jni_type = t[0]
- java_field_name = util.underscore_to_camelcase(t[1])
- jni_signature = util.jni_2_signature_mapping[jni_type]
- jni_getter = util.jni_field_accessors[jni_type]
- field_identifiers += request_field_identifier_template.substitute(
- jni_type=jni_type,
- java_name=java_field_name,
- jni_signature=jni_signature,
- jni_getter=jni_getter)
-
- # field setters
- for t in zip(f['c_types'], f['args'], f['lengths']):
- c_type = t[0]
- c_name = t[1]
- field_length = t[2][0]
- field_length_check = ""
-
- # check if we are processing variable length array:
- if t[2][1]:
- field_length = util.underscore_to_camelcase(t[2][0])
-
- # enforce max length if array has fixed length or uses variable length syntax
- if str(t[2][0]) != "0":
- field_length_check = fixed_array_length_enforcement_template.substitute(field_length=field_length)
-
- java_field_name = util.underscore_to_camelcase(c_name)
-
- struct_setter_template = struct_setter_templates[c_type]
-
- struct_setters += struct_setter_template.substitute(
- c_name=c_name,
- java_name=java_field_name,
- field_length_check=field_length_check)
+ for t in zip(f['types'], f['args'], f['lengths']):
+ field_name = util.underscore_to_camelcase(t[1])
+ msg_initialization += jni_gen.jni_request_binding_for_type(field_type=t[0], c_name=t[1],
+ field_reference_name=field_name,
+ field_name=field_name,
+ field_length=t[2][0],
+ is_variable_len_array=t[2][1])
jni_impl.append(jni_impl_template.substitute(
inputfile=inputfile,
api_data=util.api_message_to_javadoc(f),
- java_name=camel_case_function_name,
+ field_reference_name=camel_case_function_name,
+ field_name=camel_case_function_name,
c_name_uppercase=f_name_uppercase,
c_name=f_name,
plugin_name=plugin_name,
java_plugin_name=plugin_name.title(),
request_class=request_class,
- field_identifiers=field_identifiers,
- struct_setters=struct_setters,
+ msg_initialization=msg_initialization,
args=arguments))
return "\n".join(jni_impl)
-
-dto_field_id_template = Template("""
- jfieldID ${java_name}FieldId = (*env)->GetFieldID(env, ${class_ref_name}Class, "${java_name}", "${jni_signature}");""")
-
-default_dto_field_setter_template = Template("""
- (*env)->Set${jni_setter}(env, dto, ${java_name}FieldId, mp->${c_name});
-""")
-
-variable_length_array_value_template = Template("""mp->${length_var_name}""")
-variable_length_array_template = Template("""clib_net_to_host_${length_field_type}(${value})""")
-
-u16_dto_field_setter_template = Template("""
- (*env)->Set${jni_setter}(env, dto, ${java_name}FieldId, clib_net_to_host_u16(mp->${c_name}));
-""")
-
-u32_dto_field_setter_template = Template("""
- (*env)->Set${jni_setter}(env, dto, ${java_name}FieldId, clib_net_to_host_u32(mp->${c_name}));
-""")
-
-u64_dto_field_setter_template = Template("""
- (*env)->Set${jni_setter}(env, dto, ${java_name}FieldId, clib_net_to_host_u64(mp->${c_name}));
-""")
-
-u8_array_dto_field_setter_template = Template("""
- jbyteArray ${java_name} = (*env)->NewByteArray(env, ${field_length});
- (*env)->SetByteArrayRegion(env, ${java_name}, 0, ${field_length}, (const jbyte*)mp->${c_name});
- (*env)->SetObjectField(env, dto, ${java_name}FieldId, ${java_name});
-""")
-
-u16_array_dto_field_setter_template = Template("""
- {
- jshortArray ${java_name} = (*env)->NewShortArray(env, ${field_length});
- jshort * ${java_name}ArrayElements = (*env)->GetShortArrayElements(env, ${java_name}, NULL);
- unsigned int _i;
- for (_i = 0; _i < ${field_length}; _i++) {
- ${java_name}ArrayElements[_i] = clib_net_to_host_u16(mp->${c_name}[_i]);
- }
-
- (*env)->ReleaseShortArrayElements(env, ${java_name}, ${java_name}ArrayElements, 0);
- (*env)->SetObjectField(env, dto, ${java_name}FieldId, ${java_name});
- }
-""")
-
-u32_array_dto_field_setter_template = Template("""
- {
- jintArray ${java_name} = (*env)->NewIntArray(env, ${field_length});
- jint * ${java_name}ArrayElements = (*env)->GetIntArrayElements(env, ${java_name}, NULL);
- unsigned int _i;
- for (_i = 0; _i < ${field_length}; _i++) {
- ${java_name}ArrayElements[_i] = clib_net_to_host_u32(mp->${c_name}[_i]);
- }
-
- (*env)->ReleaseIntArrayElements(env, ${java_name}, ${java_name}ArrayElements, 0);
- (*env)->SetObjectField(env, dto, ${java_name}FieldId, ${java_name});
- }
-""")
-
-# For each u64 array we get its elements. Then we convert values to host byte order.
-# All changes to jlong* buffer are written to jlongArray (isCopy is set to NULL)
-u64_array_dto_field_setter_template = Template("""
- {
- jlongArray ${java_name} = (*env)->NewLongArray(env, ${field_length});
- jlong * ${java_name}ArrayElements = (*env)->GetLongArrayElements(env, ${java_name}, NULL);
- unsigned int _i;
- for (_i = 0; _i < ${field_length}; _i++) {
- ${java_name}ArrayElements[_i] = clib_net_to_host_u64(mp->${c_name}[_i]);
- }
-
- (*env)->ReleaseLongArrayElements(env, ${java_name}, ${java_name}ArrayElements, 0);
- (*env)->SetObjectField(env, dto, ${java_name}FieldId, ${java_name});
- }
-""")
-
-dto_field_setter_templates = {'u8': default_dto_field_setter_template,
- 'u16': u16_dto_field_setter_template,
- 'u32': u32_dto_field_setter_template,
- 'i32': u32_dto_field_setter_template,
- 'u64': u64_dto_field_setter_template,
- 'f64': default_dto_field_setter_template, #fixme
- 'u8[]': u8_array_dto_field_setter_template,
- 'u16[]': u16_array_dto_field_setter_template,
- 'u32[]': u32_array_dto_field_setter_template,
- 'u64[]': u64_array_dto_field_setter_template
- }
-
# code fragment for checking result of the operation before sending request reply
callback_err_handler_template = Template("""
// for negative result don't send callback message but send error callback
@@ -418,6 +224,7 @@ static void vl_api_${handler_name}_t_handler (vl_api_${handler_name}_t * mp)
(*env)->CallVoidMethod(env, plugin_main->callbackObject, callbackMethod, dto);
}""")
+
def generate_msg_handlers(func_list, plugin_name, inputfile):
handlers = []
for f in func_list:
@@ -438,25 +245,20 @@ def generate_msg_handlers(func_list, plugin_name, inputfile):
dto_setters = ''
err_handler = ''
# dto setters
- for t in zip(f['c_types'], f['types'], f['args'], f['lengths']):
- c_type = t[0]
- jni_type = t[1]
- c_name = t[2]
- field_length = t[3][0]
-
- if jni_type.endswith('Array') and field_length == '0':
- raise Exception('Variable array \'%s\' defined in message \'%s\' '
- 'should have defined length (e.g. \'%s[%s_length]\''
- % (c_name, handler_name, c_name, c_name))
-
- # check if we are processing variable length array
- if t[3][1]:
- length_var_name = t[3][0]
- length_field_type = f['c_types'][f['args'].index(length_var_name)]
- field_length = variable_length_array_value_template.substitute(length_var_name=length_var_name)
- if length_field_type != 'u8': # we need net to host conversion:
- field_length = variable_length_array_template.substitute(
- length_field_type=length_field_type, value=field_length)
+ for t in zip(f['types'], f['args'], f['lengths']):
+ c_name = t[1]
+ java_name = util.underscore_to_camelcase(c_name)
+ field_length = t[2][0]
+ is_variable_len_array = t[2][1]
+ length_field_type = None
+ if is_variable_len_array:
+ length_field_type = f['types'][f['args'].index(field_length)]
+ dto_setters += jni_gen.jni_reply_handler_for_type(handler_name=handler_name, ref_name=ref_name,
+ field_type=t[0], c_name=t[1],
+ field_reference_name=java_name,
+ field_name=java_name, field_length=field_length,
+ is_variable_len_array=is_variable_len_array,
+ length_field_type=length_field_type)
# for retval don't generate setters and generate retval check
if util.is_retval_field(c_name):
@@ -465,24 +267,6 @@ def generate_msg_handlers(func_list, plugin_name, inputfile):
)
continue
- java_field_name = util.underscore_to_camelcase(c_name)
- jni_signature = util.jni_2_signature_mapping[jni_type]
- jni_setter = util.jni_field_accessors[jni_type]
-
- dto_setters += dto_field_id_template.substitute(
- java_name=java_field_name,
- class_ref_name=ref_name,
- jni_signature=jni_signature)
-
- dto_setter_template = dto_field_setter_templates[c_type]
-
- dto_setters += dto_setter_template.substitute(
- java_name=java_field_name,
- jni_signature=jni_signature,
- c_name=c_name,
- jni_setter=jni_setter,
- field_length=field_length)
-
handlers.append(msg_handler_template.substitute(
inputfile=inputfile,
api_data=util.api_message_to_javadoc(f),
diff --git a/vpp-api/java/jvpp/gen/jvppgen/types_gen.py b/vpp-api/java/jvpp/gen/jvppgen/types_gen.py
new file mode 100644
index 00000000000..d12fb3d7850
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/jvppgen/types_gen.py
@@ -0,0 +1,227 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# 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.
+
+import os
+from string import Template
+
+import util
+import jni_gen
+import dto_gen
+
+type_template = Template("""
+package $plugin_package.$type_package;
+
+/**
+ * <p>This class represents $c_type_name type definition.
+ * <br>It was generated by types_gen.py based on $inputfile preparsed data:
+ * <pre>
+$docs
+ * </pre>
+ */
+public final class $java_type_name {
+$fields
+$methods
+}
+""")
+
+field_template = Template(""" public $type $name;\n""")
+
+
+def generate_type_fields(type_definition):
+ """
+ Generates fields for class representing typeonly definition
+ :param type_definition: python representation of typeonly definition
+ :return: string representing class fields
+ """
+ fields = ""
+ for t in zip(type_definition['types'], type_definition['args']):
+ field_name = util.underscore_to_camelcase(t[1])
+ fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
+ name=field_name)
+ return fields
+
+object_struct_setter_template = Template("""
+ {
+ jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
+ memset (&(mp->${c_name}), 0, sizeof (mp->${c_name}));
+ ${struct_initialization}
+ }
+""")
+
+object_array_struct_setter_template = Template("""
+ {
+ jclass ${field_reference_name}ArrayElementClass = (*env)->FindClass(env, "${class_FQN}");
+ if (${field_reference_name}) {
+ size_t _i;
+ jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
+ ${field_length_check}
+ for (_i = 0; _i < cnt; _i++) {
+ jobject ${field_reference_name}ArrayElement = (*env)->GetObjectArrayElement(env, ${field_reference_name}, _i);
+ memset (&(mp->${c_name}[_i]), 0, sizeof (mp->${c_name}[_i]));
+ ${struct_initialization}
+ }
+ }
+ }
+""")
+
+object_dto_field_setter_template = Template("""
+ {
+ jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
+ jmethodID ${field_reference_name}Constructor = (*env)->GetMethodID(env, ${field_reference_name}Class, "<init>", "()V");
+ jobject ${field_reference_name} = (*env)->NewObject(env, ${field_reference_name}Class, ${field_reference_name}Constructor);
+ ${type_initialization}
+ (*env)->SetObjectField(env, dto, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+object_array_dto_field_setter_template = Template("""
+ {
+ jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
+ jobjectArray ${field_reference_name} = (*env)->NewObjectArray(env, ${field_length}, ${field_reference_name}Class, 0);
+ unsigned int _i;
+ for (_i = 0; _i < ${field_length}; _i++) {
+ jmethodID ${field_reference_name}Constructor = (*env)->GetMethodID(env, ${field_reference_name}Class, "<init>", "()V");
+ jobject ${field_reference_name}ArrayElement = (*env)->NewObject(env, ${field_reference_name}Class, ${field_reference_name}Constructor);
+ ${type_initialization}
+ (*env)->SetObjectArrayElement(env, ${field_reference_name}, _i, ${field_reference_name}ArrayElement);
+ }
+ (*env)->SetObjectField(env, dto, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+
+def generate_struct_initialization(type_def, c_name_prefix, object_name, indent):
+ struct_initialization = ""
+ # field identifiers
+ for t in zip(type_def['types'], type_def['args'], type_def['lengths']):
+ field_reference_name = "${c_name}" + util.underscore_to_camelcase_upper(t[1])
+ field_name = util.underscore_to_camelcase(t[1])
+ struct_initialization += jni_gen.jni_request_binding_for_type(field_type=t[0], c_name=c_name_prefix + t[1],
+ field_reference_name=field_reference_name,
+ field_name=field_name,
+ field_length=t[2][0],
+ is_variable_len_array=t[2][1],
+ object_name=object_name)
+ return indent + struct_initialization.replace('\n', '\n' + indent)
+
+
+def generate_type_setter(handler_name, type_def, c_name_prefix, object_name, indent):
+ type_initialization = ""
+ for t in zip(type_def['types'], type_def['args'], type_def['lengths']):
+ field_length = t[2][0]
+ is_variable_len_array = t[2][1]
+ length_field_type = None
+ if is_variable_len_array:
+ length_field_type = type_def['types'][type_def['args'].index(field_length)]
+ type_initialization += jni_gen.jni_reply_handler_for_type(handler_name=handler_name,
+ ref_name="${field_reference_name}",
+ field_type=t[0], c_name=c_name_prefix + t[1],
+ field_reference_name="${c_name}" + util.underscore_to_camelcase_upper(t[1]),
+ field_name=util.underscore_to_camelcase(t[1]),
+ field_length=field_length,
+ is_variable_len_array=is_variable_len_array,
+ length_field_type=length_field_type,
+ object_name=object_name)
+ return indent + type_initialization.replace('\n', '\n' + indent)
+
+
+def generate_types(types_list, plugin_package, types_package, inputfile):
+ """
+ Generates Java representation of custom types defined in api file.
+ """
+
+ #
+ if not types_list:
+ print "Skipping custom types generation (%s does not define custom types)." % inputfile
+ return
+
+ print "Generating custom types"
+
+ if not os.path.exists(types_package):
+ raise Exception("%s folder is missing" % types_package)
+
+ for type in types_list:
+ c_type_name = type['name']
+ java_type_name = util.underscore_to_camelcase_upper(type['name'])
+ dto_path = os.path.join(types_package, java_type_name + ".java")
+
+ fields = generate_type_fields(type)
+
+ dto_file = open(dto_path, 'w')
+ dto_file.write(type_template.substitute(plugin_package=plugin_package,
+ type_package=types_package,
+ c_type_name=c_type_name,
+ inputfile=inputfile,
+ docs=util.api_message_to_javadoc(type),
+ java_type_name=java_type_name,
+ fields=fields,
+ methods=dto_gen.generate_dto_base_methods(java_type_name, type)
+ ))
+
+ # update type mappings:
+ # todo fix vpe.api to use type_name instead of vl_api_type_name_t
+ type_name = "vl_api_" + c_type_name + "_t"
+ java_fqn = "%s.%s.%s" % (plugin_package, types_package, java_type_name)
+ util.vpp_2_jni_type_mapping[type_name] = "jobject"
+ util.vpp_2_jni_type_mapping[type_name + "[]"] = "jobjectArray"
+ util.jni_2_java_type_mapping[type_name] = java_fqn
+ util.jni_2_java_type_mapping[type_name + "[]"] = java_fqn + "[]"
+ jni_name = java_fqn.replace('.', "/")
+ jni_signature = "L" + jni_name + ";"
+ util.jni_2_signature_mapping[type_name] = "L" + jni_name + ";"
+ util.jni_2_signature_mapping[type_name + "[]"] = "[" + jni_signature
+ util.jni_field_accessors[type_name] = "ObjectField"
+ util.jni_field_accessors[type_name + "[]"] = "ObjectField"
+
+ jni_gen.struct_setter_templates[type_name] = Template(
+ object_struct_setter_template.substitute(
+ c_name="${c_name}",
+ field_reference_name="${field_reference_name}",
+ class_FQN=jni_name,
+ struct_initialization=generate_struct_initialization(type, "${c_name}.",
+ "${field_reference_name}", ' ' * 4))
+ )
+
+ jni_gen.struct_setter_templates[type_name+ "[]"] = Template(
+ object_array_struct_setter_template.substitute(
+ c_name="${c_name}",
+ field_reference_name="${field_reference_name}",
+ field_length_check="${field_length_check}",
+ class_FQN=jni_name,
+ struct_initialization=generate_struct_initialization(type, "${c_name}[_i].",
+ "${field_reference_name}ArrayElement", ' ' * 8))
+ )
+
+ jni_gen.dto_field_setter_templates[type_name] = Template(
+ object_dto_field_setter_template.substitute(
+ field_reference_name="${field_reference_name}",
+ field_length="${field_length}",
+ class_FQN=jni_name,
+ type_initialization=generate_type_setter(c_type_name, type, "${c_name}.",
+ "${field_reference_name}", ' ' * 4))
+ )
+
+ jni_gen.dto_field_setter_templates[type_name + "[]"] = Template(
+ object_array_dto_field_setter_template.substitute(
+ field_reference_name="${field_reference_name}",
+ field_length="${field_length}",
+ class_FQN=jni_name,
+ type_initialization=generate_type_setter(c_type_name, type, "${c_name}[_i].",
+ "${field_reference_name}ArrayElement", ' ' * 8))
+ )
+
+ dto_file.flush()
+ dto_file.close()
+
diff --git a/vpp-api/java/jvpp/gen/jvppgen/util.py b/vpp-api/java/jvpp/gen/jvppgen/util.py
index 712f17866c3..4d3fca342dd 100644
--- a/vpp-api/java/jvpp/gen/jvppgen/util.py
+++ b/vpp-api/java/jvpp/gen/jvppgen/util.py
@@ -65,78 +65,94 @@ def get_reply_suffix(name):
else:
return reply_suffix
-# http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
-jni_2_java_type_mapping = {'jbyte': 'byte',
- 'jbyteArray': 'byte[]',
- 'jchar': 'char',
- 'jcharArray': 'char[]',
- 'jshort': 'short',
- 'jshortArray': 'short[]',
- 'jint': 'int',
- 'jintArray': 'int[]',
- 'jlong': 'long',
- 'jlongArray': 'long[]',
- 'jdouble': 'double',
- 'jdoubleArray': 'double[]',
- 'jfloat': 'float',
- 'jfloatArray': 'float[]',
- 'void': 'void',
- 'jstring': 'java.lang.String',
- 'jobject': 'java.lang.Object',
- 'jobjectArray': 'java.lang.Object[]'
- }
-
-# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/types.html#type_signatures
-jni_2_signature_mapping = {'jbyte': 'B',
- 'jbyteArray': '[B',
- 'jchar': 'C',
- 'jcharArray': '[C',
- 'jshort': 'S',
- 'jshortArray': '[S',
- 'jint': 'I',
- 'jintArray': '[I',
- 'jlong': 'J',
- 'jlongArray': '[J',
- 'jdouble': 'D',
- 'jdoubleArray': '[D',
- 'jfloat': 'F',
- 'jfloatArray': '[F'
- }
-
-# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/functions.html#Get_type_Field_routines
-jni_field_accessors = {
- 'jbyte': 'ByteField',
- 'jbyteArray': 'ObjectField',
- 'jchar': 'CharField',
- 'jcharArray': 'ObjectField',
- 'jshort': 'ShortField',
- 'jshortArray': 'ObjectField',
- 'jint': 'IntField',
- 'jintArray': 'ObjectField',
- 'jlong': 'LongField',
- 'jlongArray': 'ObjectField',
- 'jdouble': 'DoubleField',
- 'jdoubleArray': 'ObjectField',
- 'jfloat': 'FloatField',
- 'jfloatArray': 'ObjectField'
-}
-
# Mapping according to:
# http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
#
# Unsigned types are converted to signed java types that have the same size.
# It is the API user responsibility to interpret them correctly.
+jni_2_java_type_mapping = {'u8': 'byte',
+ 'u8[]': 'byte[]',
+ 'i8': 'byte',
+ 'i8[]': 'byte[]',
+ 'u16': 'short',
+ 'u16[]': 'short[]',
+ 'i16': 'short',
+ 'i16[]': 'short[]',
+ 'u32': 'int',
+ 'u32[]': 'int[]',
+ 'i32': 'int',
+ 'i32[]': 'int[]',
+ 'u64': 'long',
+ 'u64[]': 'long[]',
+ 'i64': 'long',
+ 'i64[]': 'long[]',
+ 'f64': 'double',
+ 'f64[]': 'double[]'
+ }
+
vpp_2_jni_type_mapping = {'u8': 'jbyte',
+ 'u8[]': 'jbyteArray',
'i8': 'jbyte',
+ 'u8[]': 'jbyteArray',
'u16': 'jshort',
+ 'u16[]': 'jshortArray',
'i16': 'jshort',
+ 'i16[]': 'jshortArray',
'u32': 'jint',
+ 'u32[]': 'jintArray',
'i32': 'jint',
+ 'i32[]': 'jintArray',
'u64': 'jlong',
+ 'u64[]': 'longArray',
'i64': 'jlong',
- 'f64': 'jdouble'
+ 'u64[]': 'longArray',
+ 'f64': 'jdouble',
+ 'f64[]': 'jdoubleArray'
}
+# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/types.html#type_signatures
+jni_2_signature_mapping = {'u8': 'B',
+ 'u8[]': '[B',
+ 'i8': 'B',
+ 'i8[]': '[B',
+ 'u16': 'S',
+ 'u16[]': '[S',
+ 'i16': 'S',
+ 'i16[]': '[S',
+ 'u32': 'I',
+ 'u32[]': '[I',
+ 'i32': 'I',
+ 'i32[]': '[I',
+ 'u64': 'J',
+ 'u64[]': '[J',
+ 'i64': 'J',
+ 'i64[]': '[J',
+ 'f64': 'D',
+ 'f64[]': '[D'
+ }
+
+# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/functions.html#Get_type_Field_routines
+jni_field_accessors = {'u8': 'ByteField',
+ 'u8[]': 'ObjectField',
+ 'i8': 'ByteField',
+ 'i8[]': 'ObjectField',
+ 'u16': 'ShortField',
+ 'u16[]': 'ObjectField',
+ 'i16': 'ShortField',
+ 'i16[]': 'ObjectField',
+ 'u32': 'IntField',
+ 'u32[]': 'ObjectField',
+ 'i32': 'IntField',
+ 'i32[]': 'ObjectField',
+ 'u64': 'LongField',
+ 'u64[]': 'ObjectField',
+ 'i64': 'LongField',
+ 'i64[]': 'ObjectField',
+ 'f64': 'DoubleField',
+ 'f64[]': 'ObjectField'
+ }
+
+
# vpe.api calls that do not follow naming conventions and have to be handled exceptionally when finding reply -> request mapping
# FIXME in vpe.api
unconventional_naming_rep_req = {