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c_struct.py
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c_struct.py
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#!/usr/bin/python
from xml.dom.minidom import parse
import xml.dom.minidom
import os,sys
# Open XML document using minidom parser
class rpc:
def __init__(self):
rpc_name=""
rpc_arg_list = []
rpc_return_type=None
def print_rpc(self):
print "rpc name = " + self.rpc_name + " arg_lst_count = " + str(len(self.rpc_arg_list))
for arg_obj in self.rpc_arg_list:
if arg_obj.arg_name != None:
print "arg name = " + arg_obj.arg_name
else:
print "arg name = None"
if arg_obj.isPTR == None:
print "arg ptr = None"
else:
print "arg ptr = " + arg_obj.isPTR
if arg_obj.dataType == None:
print "Datatype = None"
else:
print "arg_obj.dataType = " + arg_obj.dataType
if arg_obj.referredObject == None:
print "referredObject = None"
else:
print "referredObject = " + arg_obj.referredObject
if arg_obj.vector == "true":
print "vector = true"
else:
print "vector = false"
print "Return type : "
arg_obj = self.rpc_return_type
arg_obj.print_rpc_arg()
print "----------\n"
def contatenate_arg_name(self):
_str=""
if len(self.rpc_arg_list) == 0:
return _str
if len(self.rpc_arg_list) == 1:
if self.rpc_arg_list[0].isPTR == "true":
_str += self.rpc_arg_list[0].arg_name
elif self.rpc_arg_list[0].vector == "false":
_str += "*"
_str += self.rpc_arg_list[0].arg_name
elif self.rpc_arg_list[0].vector == "true":
_str += self.rpc_arg_list[0].arg_name
if self.rpc_arg_list[0].vector == "true":
_str += ", " + self.rpc_arg_list[0].arg_name + "_count "
return _str
for i in range(len(self.rpc_arg_list) -1):
if self.rpc_arg_list[i].isPTR == "true":
_str += self.rpc_arg_list[i].arg_name + ", "
elif self.rpc_arg_list[i].isPTR == "false" and self.rpc_arg_list[i].dataType == "OBJECT":
_str = _str + "*" + self.rpc_arg_list[i].arg_name + ", "
elif self.rpc_arg_list[i].isPTR == "false" and self.rpc_arg_list[i].dataType != "OBJECT":
_str = _str + self.rpc_arg_list[i].arg_name + ", "
if self.rpc_arg_list[i].vector == "true":
_str += self.rpc_arg_list[i].arg_name + "_count, "
if self.rpc_arg_list[len(self.rpc_arg_list) -1].isPTR == "true":
_str += self.rpc_arg_list[len(self.rpc_arg_list) -1].arg_name
elif self.rpc_arg_list[len(self.rpc_arg_list) -1].isPTR == "false" and self.rpc_arg_list[len(self.rpc_arg_list) -1].dataType == "OBJECT":
_str = _str + "*" + self.rpc_arg_list[len(self.rpc_arg_list) -1].arg_name
elif self.rpc_arg_list[len(self.rpc_arg_list) -1].isPTR == "false" and self.rpc_arg_list[len(self.rpc_arg_list) -1].dataType != "OBJECT":
_str = _str + self.rpc_arg_list[len(self.rpc_arg_list) -1].arg_name
if self.rpc_arg_list[len(self.rpc_arg_list) -1].vector == "true":
_str += self.rpc_arg_list[len(self.rpc_arg_list) -1].arg_name + "_count, "
return _str
class rpc_arg:
def __init__(self):
arg_name=""
dataType=None
isPTR="false"
referredObject=None
vector=None
def print_rpc_arg(self):
if self.arg_name != None:
print "arg name = " + self.arg_name
else:
print "arg name = None"
if self.isPTR == None:
print "arg ptr = None"
else:
print "arg ptr = " + self.isPTR
if self.dataType == None:
print "Datatype = None"
else:
print "arg_obj.dataType = " + self.dataType + "\n"
if self.referredObject == None:
print "referredObject = None\n"
else:
print "referredObject = " + self.referredObject + "\n"
class field:
def __init__(self):
field_name = ""
datatype = ""
isptr=""
desc = ""
vector = ""
cDataArraySize = ""
referredObject =""
def __del__(self):
class_name = self.__class__.__name__
def __get_size_of(data_type):
if data_type == "INT32":
return "sizeof(int)"
if data_type == "UINT32":
return "sizeof(unsigned int)"
if data_type == "IPV4ADDRESS":
return "16"
if data_type == "FLOAT":
return "sizeof(float)"
if data_type == "DOUBLE":
return "sizeof(double)"
if data_type == "LONG":
return "sizeof(long)"
if data_type == "CHAR" or data_type == "CHARARRAY":
return "sizeof(char)"
else:
return "Invalid"
def __get_c_datatype(data_type):
if data_type == "INT32":
return "int"
if data_type == "UINT32":
return "unsigned int"
if data_type == "FLOAT":
return "float"
if data_type == "DOUBLE":
return "double"
if data_type == "LONG":
return "long"
if data_type == "CHAR" or data_type == "CHARARRAY":
return "char"
else:
return "Invalid"
class c_structures:
def __init__(self):
self.struct_name = ""
self.descrption = ""
self.field_list = []
self.ext_references_complete = []
self.ext_references_incomplete = []
def __del__(self):
class_name = self.__class__.__name__
def dump_struct(self):
print "structure name = %s" %self.struct_name
print "descrption = %s" %self.descrption
print "fields :"
for fld in self.field_list:
print " name = %s" % fld.field_name
print " datatype = %s" % fld.datatype
print " desc = %s" % fld.desc
print " isptr = %s" % fld.isptr
print " cDataArraySize = %s" % fld.cDataArraySize
print " referredObject = %s" % fld.referredObject
print " vector = %s" % fld.vector
print " external references complete:"
for ext_ref in self.ext_references_complete:
print " ext ref c: " + ext_ref
print " external references incomplete:"
for ext_ref in self.ext_references_incomplete:
print " ext ref inc: " + ext_ref
class xml_data:
def __init__(self):
self.c_struct_obj_list = []
self.rpc_list = []
def __get_structure_external_references_list(c_struct_obj):
ext_references_complete = []
ext_references_incomplete = []
for fields in c_struct_obj.field_list:
fld_format = [None, None, None, None, None, None]
fld_format[0] = fields.datatype
fld_format[4] = fields.referredObject
if fld_format[0] == "OBJECT" and fld_format[4] != c_struct_obj.struct_name:
if fld_format[4] not in ext_references_incomplete:
ext_references_incomplete.append(fld_format[4])
for fields in c_struct_obj.field_list:
fld_format = [None, None, None, None, None, None]
fld_format[0] = fields.datatype
fld_format[4] = fields.referredObject
fld_format[1] = fields.isptr
if fld_format[0] == "OBJECT" and fld_format[4] != c_struct_obj.struct_name and fld_format[1] != "true":
if fld_format[4] not in ext_references_complete:
ext_references_complete.append(fld_format[4])
ext_references_incomplete.remove(fld_format[4])
c_struct_obj.ext_references_complete = ext_references_complete
c_struct_obj.ext_references_incomplete = ext_references_incomplete
def build_structure_list_from_xml(xml_file_name):
c_struct_obj_list = []
rpc_list = []
xml_data_obj = xml_data()
DOMTree = xml.dom.minidom.parse(xml_file_name)
collection = DOMTree.documentElement
# Get all the C Structures in the collection
c_structures_collection = collection.getElementsByTagName("C_Structure")
rpc_collection = collection.getElementsByTagName("RPC_spec")
for c_struct in c_structures_collection:
c_struct_obj = c_structures ()
c_struct_obj.struct_name = c_struct.getAttribute("name")
c_struct_obj.descrption = c_struct.getAttribute("description")
fld_list = []
fields_collection = c_struct.getElementsByTagName("member")
ist_fld = "true" ;
for _field in fields_collection:
fld_obj = field ()
if _field.hasAttribute("name"):
fld_obj.field_name = _field.getAttribute("name")
if _field.hasAttribute("dataType"):
fld_obj.datatype = _field.getAttribute("dataType")
if _field.hasAttribute("description"):
fld_obj.desc = _field.getAttribute("description")
if _field.hasAttribute("referredObject"):
fld_obj.referredObject = _field.getAttribute("referredObject")
else:
fld_obj.referredObject = None
if _field.hasAttribute("isPTR"):
fld_obj.isptr = _field.getAttribute("isPTR")
if fld_obj.isptr == "true" and ist_fld == "true":
rpc_padd_fld = field ()
rpc_padd_fld.field_name = "rpc_padd"
rpc_padd_fld.datatype = "CHAR"
rpc_padd_fld.desc = "rpc padd field"
rpc_padd_fld.referredObject = None
rpc_padd_fld.isptr = "false"
rpc_padd_fld.vector = "false"
rpc_padd_fld.cDataArraySize = None
fld_list.append(rpc_padd_fld)
else:
fld_obj.isptr = "false"
if _field.hasAttribute("vector"):
fld_obj.vector = _field.getAttribute("vector")
else:
fld_obj.vector = "false"
if _field.hasAttribute("cDataArraySize"):
fld_obj.cDataArraySize = _field.getAttribute("cDataArraySize")
else:
fld_obj.cDataArraySize = None
ist_fld = "false";
fld_list.append(fld_obj)
c_struct_obj.field_list = fld_list
__get_structure_external_references_list (c_struct_obj)
c_struct_obj_list.append(c_struct_obj)
xml_data_obj.c_struct_obj_list = c_struct_obj_list
for rpc_it in rpc_collection:
rpc_obj = rpc()
rpc_obj.rpc_name = rpc_it.getAttribute("rpc_name")
arg_lst = []
arg_collection = rpc_it.getElementsByTagName("member")
i = 0
for arg_it in arg_collection:
arg_obj = rpc_arg()
if arg_it.hasAttribute("name"):
arg_obj.arg_name = arg_it.getAttribute("name")
else:
arg_obj.arg_name = None
arg_obj.dataType = arg_it.getAttribute("dataType")
if arg_obj.dataType == "OBJECT":
arg_obj.referredObject = arg_it.getAttribute("referredObject")
else:
arg_obj.referredObject = None
if arg_it.hasAttribute("isPTR"):
arg_obj.isPTR = arg_it.getAttribute("isPTR")
else:
arg_obj.isPTR = "false"
rpc_obj.rpc_return_type = arg_obj
continue
if arg_it.hasAttribute("dataType"):
arg_obj.dataType = arg_it.getAttribute("dataType")
if arg_it.hasAttribute("isPTR"):
arg_obj.isPTR = arg_it.getAttribute("isPTR")
else:
arg_obj.isPTR = "false"
if arg_it.hasAttribute("referredObject"):
arg_obj.referredObject = arg_it.getAttribute("referredObject")
else:
arg_obj.referredObject = None
if arg_it.hasAttribute("vector"):
arg_obj.vector = arg_it.getAttribute("vector")
else:
arg_obj.vector = "false"
arg_lst.append(arg_obj)
rpc_obj.rpc_arg_list = arg_lst
#rpc_obj.print_rpc()
rpc_list.append(rpc_obj)
xml_data_obj.rpc_list = rpc_list
return xml_data_obj
def write_field_format(target_file, fld_format, parent_struct_name):
tab=" "
if parent_struct_name == fld_format[4]:
obj_dtype = "struct _" + parent_struct_name + "_"
else:
obj_dtype = fld_format[4]
if fld_format[0] != "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# int p[25] serialize_string(b, obj->p, sizeof(int) * arr_size)
target_file.write(tab + __get_c_datatype(fld_format[0]) + " " + fld_format[2] + "[" + fld_format[5] + "];\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# int p serialize_string(b, &obj->p,sizeof(int))
target_file.write(tab + __get_c_datatype(fld_format[0]) + " " + fld_format[2] + ";\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
#int *p serialize_string(b, obj->p, sizeof(int))
target_file.write(tab + __get_c_datatype(fld_format[0]) + " * " + fld_format[2] + ";\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
#p_count = 0; int *p
target_file.write(tab + "unsigned int " + fld_format[2] + "_count;\n")
target_file.write(tab + __get_c_datatype(fld_format[0]) + " * " + fld_format[2] + ";\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# int *p[25]
target_file.write(tab + __get_c_datatype(fld_format[0]) + " * " + fld_format[2] + "[" + fld_format[5] + "];\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# person_t p[25]
target_file.write(tab + obj_dtype + " " + fld_format[2] + "[" + fld_format[5] + "];\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
# person_t *p with vector
target_file.write(tab + "unsigned int " + fld_format[2] + "_count;\n")
target_file.write(tab + obj_dtype + " * " + fld_format[2] + ";\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# person_t p
target_file.write(tab + obj_dtype + " " + fld_format[2] + ";\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
# person_t *p
target_file.write(tab + obj_dtype + " * " + fld_format[2] + ";\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# person_t *p[25]
target_file.write(tab + obj_dtype + " * " + fld_format[2] + "[" + fld_format[5] + "];\n")
else:
print fld_format[2] + " mis hit3 "
def convert_xml_to_c_structures(xml_file_name, dir_path_name, c_struct_obj_list):
for c_struct_obj in c_struct_obj_list:
target = open(dir_path_name+"/"+c_struct_obj.struct_name+".h", 'w')
target.write("#ifndef __" + c_struct_obj.struct_name + "__\n")
target.write("#define __" + c_struct_obj.struct_name + "__\n")
target.write("\n\n")
#target.write("typedef struct _" + c_struct_obj.struct_name + " " + c_struct_obj.struct_name + ";\n")
for ext_ref in c_struct_obj.ext_references_incomplete:
target.write("typedef struct _" + ext_ref + "_" + " " + ext_ref + ";\n\n\n")
for ext_ref in c_struct_obj.ext_references_complete:
target.write("#include \"" + ext_ref + ".h\"\n")
target.write("\ntypedef struct _" + c_struct_obj.struct_name + "_ {\n")
fld_format = [None, None, None, None, None, None]
# dtype, is ptr, identier name, Array_size, isVector
for fields in c_struct_obj.field_list:
fld_format[0] = fields.datatype
fld_format[1] = fields.isptr
fld_format[2] = fields.field_name
fld_format[3] = fields.vector
fld_format[4] = fields.referredObject
fld_format[5] = fields.cDataArraySize
write_field_format(target, fld_format, c_struct_obj.struct_name)
target.write("} " + c_struct_obj.struct_name + ";\n")
target.write("\n\n#endif")
target.close()
def print_field(fields):
print "field.datatype = " + fields.datatype
print "fields.isptr " + fields.isptr
print "fields.field_name = " + fields.field_name
if fields.vector == None:
print "fields.vector = None"
else:
print "fields.vector = "+ fields.vector
if fields.referredObject == None:
print "fields.referredObject = None"
else:
print "fields.referredObject = "+ fields.referredObject
if fields.cDataArraySize == None:
print "fields.cDataArraySize = None"
else:
print "fields.cDataArraySize = "+ fields.cDataArraySize
def serialize_structure(c_struct_obj, dir_path):
target_h = open(dir_path + "/"+c_struct_obj.struct_name+"_xdr_serialize.h", 'w')
target_c = open(dir_path + "/"+c_struct_obj.struct_name+"_xdr_serialize.c", 'w')
# generate header file
target_h.write("#ifndef __" + c_struct_obj.struct_name + "_xdr_serialize__\n")
target_h.write("#define __" + c_struct_obj.struct_name + "_xdr_serialize__\n")
target_h.write("\n")
target_h.write("typedef struct _" + c_struct_obj.struct_name + "_ " + c_struct_obj.struct_name + ";\n")
target_h.write("#include \"serialize.h\"\n")
target_h.write("\n\n")
target_h.write("void \n" + c_struct_obj.struct_name + "_xdr_serialize(" + c_struct_obj.struct_name + " *obj, ser_buff_t *b);")
#generate C file now
#target_c.write("#include \"serialize.h\"\n")
target_c.write("#include <stdlib.h>\n")
target_c.write("#include <memory.h>\n")
target_c.write("#include \"" + c_struct_obj.struct_name + ".h\"\n")
target_c.write("#include \"" + c_struct_obj.struct_name + "_xdr_serialize.h\"\n")
for ext_ref in c_struct_obj.ext_references_complete:
#target_c.write("#include \"" + ext_ref + ".h\"\n")
target_c.write("#include \"" + ext_ref + "_xdr_serialize.h\"\n")
for ext_ref in c_struct_obj.ext_references_incomplete:
#target_c.write("#include \"" + ext_ref + ".h\"\n")
target_c.write("#include \"" + ext_ref + "_xdr_serialize.h\"\n")
# loop_var is required when atleat when field of the structure is vector
for fields in c_struct_obj.field_list:
if fields.vector == "true":
target_c.write("\nstatic unsigned int loop_var = 0;\n\n")
break
target_c.write("\n\n")
target_c.write("void \n" + c_struct_obj.struct_name + "_xdr_serialize(" + c_struct_obj.struct_name + " *obj, ser_buff_t *b){\n")
tab = " "
target_c.write(tab)
target_c.write("if(!obj){\n")
target_c.write(tab + tab)
target_c.write("serialize_int32(b, NON_EXISTING_STRUCT);\n")
target_c.write(tab + tab)
target_c.write("return;\n")
target_c.write(tab)
target_c.write("}\n")
for fields in c_struct_obj.field_list:
fld_format = [None, None, None, None, None, None]
fld_format[0] = fields.datatype
fld_format[1] = fields.isptr
fld_format[2] = fields.field_name
fld_format[3] = fields.vector
fld_format[4] = fields.referredObject
fld_format[5] = fields.cDataArraySize
#print_field(fields)
target_c.write(tab)
if fld_format[0] != "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# int p[25] serialize_string(b, obj->p, sizeof(int) * arr_size)
target_c.write("serialize_string(b, (char *)obj->" + fld_format[2] + ", " + __get_size_of(fld_format[0]) + "*" + fld_format[5] + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# int p serialize_string(b, &obj->p,sizeof(int))
target_c.write("serialize_string(b, (char *)&obj->" + fld_format[2] + ", " + __get_size_of(fld_format[0]) + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
#int *p serialize_string(b, obj->p, sizeof(int))
target_c.write("if(obj->" + fld_format[2] + ")\n")
target_c.write(tab + tab + "serialize_string(b, (char *)obj->" + fld_format[2] + ", " + __get_size_of(fld_format[0]) + ");\n")
target_c.write(tab + "else\n")
target_c.write(tab + tab + "serialize_int32(b, NON_EXISTING_STRUCT);\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
#p_count = 0; int *p
target_c.write("serialize_string(b, (char *)&obj->" + fld_format[2] + "_count, sizeof(unsigned int));\n")
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + "obj->" + fld_format[2] + "_count ; loop_var ++)\n")
target_c.write(tab + tab)
target_c.write("serialize_string(b, (char *)(obj->" + fld_format[2] + " + loop_var), " + __get_size_of(fld_format[0]) + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# int *p[25]
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write("if(obj->" + fld_format[2] + "[loop_var])\n")
target_c.write(tab + tab + tab)
target_c.write("serialize_string(b, (char *)obj->" + fld_format[2] + "[loop_var], " + __get_size_of(fld_format[0]) + ");\n")
target_c.write(tab + tab + "else\n")
target_c.write(tab + tab + tab)
target_c.write("serialize_int32(b, NON_EXISTING_STRUCT);\n")
target_c.write(tab)
target_c.write("}\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# person_t p[25]
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write(fld_format[4] + "_xdr_serialize(&obj->" + fld_format[2] + "[loop_var], b);\n")
target_c.write(tab)
target_c.write("}\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
# person_t *p with vector
target_c.write("serialize_string(b, (char *)&obj->" + fld_format[2] + "_count, sizeof(unsigned int));\n")
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + "obj->" + fld_format[2] + "_count ; loop_var ++){\n")
target_c.write(tab + tab)
target_c.write(fld_format[4] + "_xdr_serialize(obj->" + fld_format[2] + " + loop_var, b);\n")
target_c.write(tab)
target_c.write("}\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# person_t p
target_c.write(fld_format[4] + "_xdr_serialize(&obj->" + fld_format[2] + " , b);\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
# person_t *p
target_c.write(fld_format[4] + "_xdr_serialize(obj->" + fld_format[2] + " , b);\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# person_t *p[25]
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write(fld_format[4] + "_xdr_serialize(obj->" + fld_format[2] + "[loop_var], b);\n")
target_c.write(tab)
target_c.write("}\n")
else:
print fld_format[2] + " mis hit2 "
target_c.write("}")
target_h.close()
target_c.close()
def deserialize_structure(c_struct_obj, dir_path):
target_h = open(dir_path + "/"+c_struct_obj.struct_name+"_xdr_serialize.h", 'a')
# writing header file
target_h.write("\n\n")
target_h.write(c_struct_obj.struct_name +" *\n" + c_struct_obj.struct_name + "_xdr_deserialize(ser_buff_t *b);\n")
#target_h.write("\n\n#endif")
target_h.close()
# writing C file
target_c = open(dir_path + "/"+c_struct_obj.struct_name+"_xdr_serialize.c", 'a')
target_c.write("\n\n")
target_c.write(c_struct_obj.struct_name +" *\n" + c_struct_obj.struct_name + "_xdr_deserialize(ser_buff_t *b){\n")
tab = " "
target_c.write("\n")
target_c.write(tab + "int check_existence;\n")
target_c.write(tab + "if(is_serialized_buffer_empty(b)) return NULL;\n")
target_c.write(tab + "de_serialize_string((char *)&check_existence, b, sizeof(int));\n")
target_c.write(tab + "if(check_existence == NON_EXISTING_STRUCT){\n")
target_c.write(tab + tab + "return NULL;\n")
target_c.write(tab + "}\n")
target_c.write(tab + "serialize_buffer_skip(b, -1*sizeof(int));\n")
target_c.write("\n" + tab)
target_c.write(c_struct_obj.struct_name + " *obj = calloc(1, sizeof(" + c_struct_obj.struct_name + "));\n")
for fields in c_struct_obj.field_list:
fld_format = [None, None, None, None, None, None]
fld_format[0] = fields.datatype
fld_format[1] = fields.isptr
fld_format[2] = fields.field_name
fld_format[3] = fields.vector
fld_format[4] = fields.referredObject
fld_format[5] = fields.cDataArraySize
#print_field(fields)
target_c.write(tab)
if fld_format[0] != "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# int p[25] de_serialize_string(obj->p, b, sizeof(int) * arr_size)
target_c.write("de_serialize_string((char *)obj->" + fld_format[2] + ", b, " + __get_size_of(fld_format[0]) + "*" + fld_format[5] + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# int p de_serialize_string((char *)&obj->p, b, sizeof(int))
target_c.write("de_serialize_string((char *)&obj->" + fld_format[2] + ", b, " + __get_size_of(fld_format[0]) + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
#int *p de_serialize_string((char *)obj->p, b , sizeof(int))
target_c.write("de_serialize_string_by_ref((char *)&obj->" + fld_format[2] + ", b, " + __get_size_of(fld_format[0]) + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
#p_count = 0; int *p
target_c.write("de_serialize_string((char *)&obj->" + fld_format[2] + "_count, b, sizeof(unsigned int));\n")
target_c.write(tab)
target_c.write("if(obj->" + fld_format[2] + "_count)\n")
target_c.write(tab + tab + "obj->" + fld_format[2] + " = calloc(" + __get_size_of(fld_format[0]) + ", obj->" + fld_format[2] + "_count);\n")
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < obj->" + fld_format[2] + "_count; " + " loop_var++){\n")
target_c.write(tab + tab)
target_c.write("de_serialize_string((char *)(obj->" + fld_format[2] + " + loop_var), b, " + __get_size_of(fld_format[0]) + ");\n")
target_c.write(tab)
target_c.write("}\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# int *p[25]
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++)\n")
target_c.write(tab + tab)
target_c.write("de_serialize_string_by_ref((char *)(&obj->" + fld_format[2] + "[loop_var]), b, " + __get_size_of(fld_format[0]) + ");\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# person_t p[25]
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write("obj->" + fld_format[2] + "[loop_var] = *" + fld_format[4] + "_xdr_deserialize(b);\n")
target_c.write(tab)
target_c.write("}\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
# person_t *p with vector
target_c.write("de_serialize_string((char *)&obj->" + fld_format[2] + "_count, b, sizeof(unsigned int));\n")
target_c.write(tab)
target_c.write("obj->"+ fld_format[2] + " = calloc (obj->" + fld_format[2] + "_count, sizeof(" + fld_format[4] + "));\n")
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + "obj->" + fld_format[2] + "_count ; loop_var ++){\n")
target_c.write(tab + tab)
target_c.write(fld_format[4] + " *constructed_obj = " + fld_format[4] + "_xdr_deserialize(b);\n")
target_c.write(tab + tab)
target_c.write("memcpy(obj->" + fld_format[2] + " + loop_var, constructed_obj, sizeof(" + fld_format[4] + "));\n")
target_c.write(tab + tab)
target_c.write("free(constructed_obj);\n")
target_c.write(tab)
target_c.write("}\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# person_t p
target_c.write("obj->" + fld_format[2] + " = *" + fld_format[4] + "_xdr_deserialize(b);\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
# person_t *p
target_c.write("obj->" + fld_format[2] + " = " + fld_format[4] + "_xdr_deserialize(b);\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# person_t *p[25]
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write("obj->" + fld_format[2] + "[loop_var] = " + fld_format[4] + "_xdr_deserialize(b);\n")
target_c.write(tab)
target_c.write("}\n")
else:
print fld_format[2] + " mis hit1"
target_c.write(tab)
target_c.write("return obj;\n")
target_c.write("}")
target_c.close()
return
def free_structures(c_struct_obj, dir_path):
target_h = open(dir_path + "/"+c_struct_obj.struct_name+"_xdr_serialize.h", 'a')
# writing header file
target_h.write("\n\n")
target_h.write("void\n" + c_struct_obj.struct_name + "_free (" + c_struct_obj.struct_name + " *obj);\n")
target_h.write("void\n" + c_struct_obj.struct_name + "_free_internals (" + c_struct_obj.struct_name + " *obj);\n")
target_h.write("\n\n#endif")
target_h.close()
# writing C file
target_c = open(dir_path + "/"+c_struct_obj.struct_name+"_xdr_serialize.c", 'a')
target_c.write("\n\n")
target_c.write("void\n" + c_struct_obj.struct_name + "_free_internals (" + c_struct_obj.struct_name + " *obj){\n")
tab = " "
target_c.write("\n")
target_c.write(tab + "if(!obj) return;\n\n")
for fields in c_struct_obj.field_list:
fld_format = [None, None, None, None, None, None]
fld_format[0] = fields.datatype
fld_format[1] = fields.isptr
fld_format[2] = fields.field_name
fld_format[3] = fields.vector
fld_format[4] = fields.referredObject
fld_format[5] = fields.cDataArraySize
if fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
#int *p serialize_string(b, obj->p, sizeof(int))
target_c.write(tab)
target_c.write("if(obj->" + fld_format[2] + ")\n")
target_c.write(tab + tab + "free(obj->" + fld_format[2] + ");\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
#int *p, count
target_c.write("\n" + tab)
target_c.write("for (loop_var = 0; loop_var < " + "obj->" + fld_format[2] + "_count ; loop_var ++){\n")
target_c.write(tab + tab)
target_c.write("if(&obj->" + fld_format[2] + "[loop_var])\n")
target_c.write(tab + tab + tab)
target_c.write("free(&obj->" + fld_format[2] + "[loop_var]);\n")
target_c.write(tab + "}\n\n")
target_c.write(tab + "if (obj->" + fld_format[2] + ")\n")
target_c.write(tab + tab + "free(obj->" + fld_format[2] + ");\n\n")
elif fld_format[0] != "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# int *p[25]
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write("if(obj->" + fld_format[2] + "[loop_var])\n")
target_c.write(tab + tab + tab)
target_c.write("free(obj->" + fld_format[2] + "[loop_var]);\n")
target_c.write(tab + "}\n\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] != None and fld_format[3] == "false":
# person_t p[25]
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var++){\n")
target_c.write(tab + tab)
target_c.write(fld_format[4] + "_free_internals(&obj->" + fld_format[2] + "[loop_var]);\n")
target_c.write(tab)
target_c.write("}\n\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "true":
# person_t *p with vector
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + "obj->" + fld_format[2] + "_count ; loop_var ++)\n")
target_c.write(tab + tab)
target_c.write(fld_format[4] + "_free_internals(&obj->" + fld_format[2] + "[loop_var]);\n")
target_c.write(tab + "if(obj->" + fld_format[2] + ")\n")
target_c.write(tab + tab + "free(obj->" + fld_format[2] + ");\n\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "false" and fld_format[5] == None and fld_format[3] == "false":
# person_t p
target_c.write(tab)
target_c.write(fld_format[4] + "_free_internals(&obj->" + fld_format[2] + ");\n\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] == None and fld_format[3] == "false":
# person_t *p
target_c.write(tab + fld_format[4] + "_free(obj->" + fld_format[2] + ");\n\n")
elif fld_format[0] == "OBJECT" and fld_format[1] == "true" and fld_format[5] != None and fld_format[3] == "false":
# person_t *p[25]
target_c.write(tab)
target_c.write("for (loop_var = 0; loop_var < " + fld_format[5] + "; loop_var ++){\n")
target_c.write(tab + tab)
target_c.write("if(obj->" + fld_format[2] + "[loop_var])\n")
target_c.write(tab + tab + tab)
target_c.write(fld_format[4] + "_free(obj->" + fld_format[2] + "[loop_var]);\n")
target_c.write(tab + "}\n")
else:
print fld_format[2] + " mis hit6 "
target_c.write("}\n\n")
target_c.write("void\n")
target_c.write(c_struct_obj.struct_name + "_free (" + c_struct_obj.struct_name + " *obj){\n")
target_c.write(tab + "if(!obj) return;\n")
target_c.write(tab + c_struct_obj.struct_name + "_free_internals (obj);\n")
target_c.write(tab + "free(obj);\n")
target_c.write("}")
target_c.close()
def get_rpc_signature(rpc_obj):
sign = ""
rpc_return_type = rpc_obj.rpc_return_type
if rpc_return_type.dataType != "OBJECT":
sign += __get_c_datatype(rpc_return_type.dataType)
else:
sign += rpc_return_type.referredObject
if rpc_return_type.isPTR == "true":
sign += " *\n"
else:
sign += "\n"
sign += rpc_obj.rpc_name + "("
if len(rpc_obj.rpc_arg_list) == 1:
arg_obj = rpc_obj.rpc_arg_list[0]
if arg_obj.dataType == "OBJECT":
sign += arg_obj.referredObject
else:
sign += __get_c_datatype(arg_obj.dataType)
if arg_obj.isPTR == "true" or arg_obj.vector == "true":
sign += " *"
else:
sign += " "
sign += arg_obj.arg_name
if arg_obj.vector == "true":
sign += ", unsigned int " + arg_obj.arg_name + "_count"
else:
for i in range(len(rpc_obj.rpc_arg_list) -1):
arg_obj = rpc_obj.rpc_arg_list[i]
if arg_obj.dataType == "OBJECT":
sign += arg_obj.referredObject
else:
sign += __get_c_datatype(arg_obj.dataType)
if arg_obj.isPTR == "true" or arg_obj.vector == "true":
sign += " *"
else:
sign += " "
sign += arg_obj.arg_name + ", "
if arg_obj.vector == "true":
sign += " unsigned int " + arg_obj.arg_name + "_count, "
arg_obj = rpc_obj.rpc_arg_list[len(rpc_obj.rpc_arg_list) -1]
if arg_obj.dataType == "OBJECT":
sign += arg_obj.referredObject
else:
sign += __get_c_datatype(arg_obj.dataType)
if arg_obj.isPTR == "true" or arg_obj.vector == "true":
sign += " *"
else:
sign += " "
sign += arg_obj.arg_name
if arg_obj.vector == "true":
sign += ", unsigned int " + arg_obj.arg_name + "_count"
sign += ")"
return sign
def generate_rpc_spec_file(xml_data_obj, dir_path):
target = open(dir_path + "/rpc_spec.h", 'w')
target.write("#ifndef __RPC_SPEC__\n")
target.write("#define __RPC_SPEC__\n")
target.write("\n\n#define SERVER_IP \"127.0.0.1\"\n")
target.write("#define SERVER_PORT 2000\n")
target.write("\n#define SERVER_RECV_BUFF_MAX_SIZE (1024 * 5)\n")
target.write("\n\n")
tab = " "
# iterate over all RPCs and print their IDs
target.write("typedef enum _rpc_procedures_id{\n")
if len(xml_data_obj.rpc_list) == 1:
target.write(tab + xml_data_obj.rpc_list[0].rpc_name + "_id\n")
target.write(tab + "rpc_procedures_max_id\n")
target.write("} rpc_proc_id;\n\n\n")
else:
for i in range(len(xml_data_obj.rpc_list) -1):
target.write(tab + xml_data_obj.rpc_list[i].rpc_name + "_id,\n")
target.write(tab + xml_data_obj.rpc_list[(len(xml_data_obj.rpc_list) -1)].rpc_name + "_id,\n")
target.write(tab + "rpc_procedures_max_id\n")
target.write("} rpc_proc_id;\n\n\n")
# iterare over all structures and print #includes
for struct_obj in xml_data_obj.c_struct_obj_list:
target.write("#include \"" + struct_obj.struct_name + ".h\"\n")
target.write("\n\n")
# iterate over all RPCs and print their Signatures
for rpc_obj in xml_data_obj.rpc_list:
signature = get_rpc_signature(rpc_obj)
target.write(signature + ";\n\n")
target.write("\n\n#endif\n")
target.close()
def generate_server_stubs_c(xml_data_obj, dir_path):
target = open(dir_path + "/rpc_server_stubs.c", 'w')
target.write("#include \"rpc_spec.h\"\n")
target.write("#include \"serialize.h\"\n")
target.write("#include <stdlib.h>\n")
target.write("\n")
for struct_obj in xml_data_obj.c_struct_obj_list:
target.write("#include \"" + struct_obj.struct_name + ".h\"\n")
target.write("#include \"" + struct_obj.struct_name + "_xdr_serialize.h\"\n")
tab = " "
target.write("\n\n")
for rpc_obj in xml_data_obj.rpc_list:
target.write("ser_buff_t *\n")
target.write("stub_" + rpc_obj.rpc_name + "(ser_buff_t *b){\n")
target.write(tab + "ser_buff_t *out_b = 0;\n")
target.write(tab + "unsigned int loop_var = 0;\n")
for arg in rpc_obj.rpc_arg_list:
if arg.dataType != "OBJECT" and arg.isPTR == "false" and arg.vector == "false":
target.write(tab + __get_c_datatype(arg.dataType) + " " + arg.arg_name + ";\n")
target.write(tab + "de_serialize_string((char *)&" + arg.arg_name + ", b , " + __get_size_of(arg.dataType) + ");\n")
elif arg.dataType != "OBJECT" and arg.isPTR == "true" and arg.vector == "false":
target.write(tab + __get_c_datatype(arg.dataType) + " *" + arg.arg_name + ";\n")
target.write(tab + "de_serialize_string((char *)" + arg.arg_name + ", b , " + __get_size_of(arg.dataType) + ");\n")
elif arg.dataType != "OBJECT" and arg.vector == "true":
target.write(tab + "unsigned int " + arg.arg_name + "_count = 0;\n")
target.write(tab + "de_serialize_string((char *)&" + arg.arg_name + "_count, b , sizeof(unsigned int));\n")
target.write(tab + __get_c_datatype(arg.dataType) + " * " + arg.arg_name + " = calloc(" + arg.arg_name + "_count, " + __get_size_of(arg.dataType) + ");\n")
target.write(tab + "de_serialize_string((char *)" + arg.arg_name + ", b , " + __get_size_of(arg.dataType) + " * " + arg.arg_name + "_count);\n")
elif arg.dataType == "OBJECT" and arg.isPTR == "false" and arg.vector == "false":
target.write(tab + arg.referredObject + " *" + arg.arg_name + " = " + arg.referredObject + "_xdr_deserialize(b);\n")
elif arg.dataType == "OBJECT" and arg.isPTR == "true" and arg.vector == "false":
target.write(tab + arg.referredObject + " *" + arg.arg_name + " = " + arg.referredObject + "_xdr_deserialize(b);\n")
elif arg.dataType == "OBJECT" and arg.vector == "true":
target.write(tab + "unsigned int " + arg.arg_name + "_count = 0;\n")
target.write(tab + "de_serialize_string((char *)&" + arg.arg_name + "_count, b , sizeof(unsigned int));\n")
target.write(tab + arg.referredObject + " *" + arg.arg_name + " = calloc( " + arg.arg_name + "_count, sizeof( " + arg.referredObject + "));\n")
target.write(tab + "for (loop_var = 0; loop_var < " + arg.arg_name + "_count; loop_var++){\n")
target.write(tab + tab + arg.referredObject + " *temp = " + arg.referredObject + "_xdr_deserialize(b);\n")
target.write(tab + tab + arg.arg_name + "[loop_var] = *temp;\n")
target.write(tab + tab + "free(temp);\n")
target.write(tab + "}\n")
else:
print "hit miss 4"
rpc_return_type = rpc_obj.rpc_return_type
arg_sequence = rpc_obj.contatenate_arg_name()
if rpc_return_type.dataType != "OBJECT" and rpc_return_type.isPTR == "false":
target.write(tab + __get_c_datatype(rpc_return_type.dataType) + " res = " + rpc_obj.rpc_name + "(" + arg_sequence + ");\n")
elif rpc_return_type.dataType != "OBJECT" and rpc_return_type.isPTR == "true":
target.write(tab + __get_c_datatype(rpc_return_type.dataType) + " *res = " + rpc_obj.rpc_name + "(" + arg_sequence + ");\n")
elif rpc_return_type.dataType == "OBJECT" and rpc_return_type.isPTR == "false":
target.write(tab + rpc_return_type.referredObject + " res = *" + rpc_obj.rpc_name + "(" + arg_sequence + ");\n")
elif rpc_return_type.dataType == "OBJECT" and rpc_return_type.isPTR == "true":
target.write(tab + rpc_return_type.referredObject + " * res = " + rpc_obj.rpc_name + "(" + arg_sequence + ");\n")
# free all calloc for primitive Arrays buffers
for arg in rpc_obj.rpc_arg_list:
if(arg.dataType != "OBJECT" and arg.vector == "true"):
target.write(tab + "free(" + arg.arg_name + ");\n")
elif arg.dataType == "OBJECT" and arg.vector == "false":
target.write(tab + arg.referredObject + "_free(" + arg.arg_name + ");\n")
elif arg.dataType == "OBJECT" and arg.vector == "true":
target.write(tab + "for (loop_var = 0; loop_var < " + arg.arg_name + "_count; loop_var++)\n")
target.write(tab + tab + arg.referredObject + "_free_internals(&" + arg.arg_name + "[loop_var]);\n")
target.write(tab + "free( " + arg.arg_name + ");\n")
target.write(tab + "init_serialized_buffer(&out_b);\n")
if rpc_return_type.dataType != "OBJECT" and rpc_return_type.isPTR == "false":
target.write(tab + "serialize_string(out_b, (char *)&res, " + __get_size_of(rpc_return_type.dataType) + ");\n")
elif rpc_return_type.dataType != "OBJECT" and rpc_return_type.isPTR == "true":
target.write(tab + "serialize_string(out_b, (char *)res, " + __get_size_of(rpc_return_type.dataType) + ");\n")
elif rpc_return_type.dataType == "OBJECT" and rpc_return_type.isPTR == "false":
target.write(tab + rpc_return_type.referredObject + "_xdr_serialize(&res, out_b);\n")
elif rpc_return_type.dataType == "OBJECT" and rpc_return_type.isPTR == "true":
target.write(tab + rpc_return_type.referredObject + "_xdr_serialize(res, out_b);\n")
target.write(tab + "return out_b;\n}\n\n")
target.close()
def generate_client_stubs(xml_data_obj, dir_path):
target = open(dir_path + "/rpc_client_stubs.c", 'w')
target.write("#include \"rpc_spec.h\"\n")
target.write("#include \"rpc_common.h\"\n")
target.write("\n")
for struct_obj in xml_data_obj.c_struct_obj_list:
target.write("#include \"" + struct_obj.struct_name + ".h\"\n")
target.write("#include \"" + struct_obj.struct_name + "_xdr_serialize.h\"\n")
target.write("\n\n")
target.write("static unsigned int tid = 0;\n")
target.write("extern client_param_t client_param;\n")
target.write("extern int client_rpc_send_rcv (ser_buff_t *in_b, ser_buff_t *out_b);\n")
target.write("\n\n")
tab = " "
for rpc_obj in xml_data_obj.rpc_list:
signature = get_rpc_signature(rpc_obj)
target.write(signature + "{\n")
target.write(tab + "ser_buff_t *in_b = 0, *out_b = 0;\n")
target.write(tab + "int rc = 0; unsigned int loop_var = 0;\n")
target.write(tab + "init_serialized_buffer(&in_b);\n")
target.write(tab + "out_b = client_param.recv_ser_b;\n")
target.write(tab + "serialize_string(in_b, (char *)&tid, sizeof(unsigned int));\n")
target.write(tab + "tid++;\n")
target.write(tab + "serialize_uint32(in_b, " + rpc_obj.rpc_name + "_id);\n")
target.write(tab + "serialize_uint32(in_b, RPC_REQ);\n")
target.write(tab + "unsigned int payload_size_offset = get_serialize_buffer_current_ptr_offset(in_b);\n")
target.write(tab + "serialize_buffer_skip(in_b, sizeof(unsigned int));\n")