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List:       omniorb-list
Subject:    [omniORB] Another test : Segmentation fault
From:       JiangWei <jw.omni () sduept ! com>
Date:       2006-06-06 15:19:02
Message-ID: 44859CE6.9030502 () sduept ! com
[Download RAW message or body]

[jw@dell omni]$ ./a.out write x.bin
[jw@dell omni]$ ./a.out read x.bin
unmarshal...
Segmentation fault


["main.cpp" (text/x-c++src)]

#include "MyValue.hh"
#include <omniORB4/CORBA.h>
#include <fstream>
#include <iostream>

const bool CDR_BYTESWAP_FLAG = false;

CORBA::Any * get_an_any()
{
	CORBA::Any * any = new CORBA::Any;
	Test::ObjectStateSeq seq;
	seq.length(6);
	seq[0] = new OBV_Test::Transformer(0,"Hello",0,0);
	seq[1] = new OBV_Test::Transformer(0,"World",0,0);
	seq[2] = new OBV_Test::ObjectState(0,"omniORB4.1",0);
	seq[3] = new OBV_Test::ObjectState(0,"is a great ORB",0);
	seq[4] = seq[1];
	seq[5] = seq[3];
	(*any) <<= seq;
	return any;
}

int main (int argc, char* argv[])
{
	CORBA::ORB_var orb = CORBA::ORB_init(argc,argv);
	orb->register_value_factory("IDL:Test/ObjectState:1.0", new Test::ObjectState_init);
	orb->register_value_factory("IDL:Test/Transformer:1.0", new Test::Transformer_init);

	if (argc == 3 && strcmp(argv[1] , "write") == 0)
	{
		CORBA::Any_var any = get_an_any();

		cdrMemoryStream stream;
		stream.setByteSwapFlag(CDR_BYTESWAP_FLAG);
		stream.marshalBoolean(CDR_BYTESWAP_FLAG);
		any.in() >>= stream;

		std::ofstream outfile(argv[2]);
		outfile.write((const char*)stream.bufPtr(),stream.bufSize());
		outfile.close();
	}
	else if (argc == 3 && strcmp(argv[1] , "read") == 0)
	{
		std::ifstream infile(argv[2]);
		infile.seekg(0,std::ios_base::end);
		size_t size = infile.tellg();
		infile.seekg(0,std::ios_base::beg);

		char * buf = new char[size];
		infile.read(buf,size);

		cdrMemoryStream stream(buf);
		stream.setByteSwapFlag(stream.unmarshalBoolean());
		CORBA::Any any;

		std::cout << "unmarshal..." << std::endl;
		any <<= stream;
		std::cout << " ... done" << std::endl;

		Test::ObjectStateSeq * seq = NULL;
		if(any >>= seq)
		{
			for(CORBA::ULong c=0; c<seq->length(); c++)
				std::cout << "seq[" << c << "] = " << (*seq)[c]->name()
				<< ",\tis a(n) " << (*seq)[c]->_NP_repositoryId() << std::endl;
		}
		else
			std::cerr << "Bad Any" << std::endl;

	} else {
		std::cerr << "Usage:" << argv[0] <<" <read|write> filename " << std::endl;
	}

	orb->destroy();

	return 0;
}


["MyValue.idl" (text/x-idl)]

module Test {

	valuetype ObjectState
	{
		public unsigned long oid;
		public string name;
		public unsigned long pid;
	};

	typedef sequence<ObjectState> ObjectStateSeq;

	valuetype Transformer : ObjectState
	{
		public long voltage_level;

	};
};

["x.bin" (application/octet-stream)]

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