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// **********************************************************************
//
// Copyright (c) 2003
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#include <Ice/Ice.h>
#include <XMLTransform/XMLTransform.h>
#include <db_cxx.h>
#include <sys/stat.h>
#ifdef _WIN32
# define FREEZE_DB_MODE 0
#else
# define FREEZE_DB_MODE (S_IRUSR | S_IWUSR)
#endif
using namespace std;
static void
usage(const string& appName)
{
cerr << "Usage: " << appName << " [options] db-env db old-schema new-schema\n";
cerr << " " << appName << " [options] --evictor db-env db\n";
cerr << "\n";
cerr <<
"Options:\n"
"-e,--evictor Use the Freeze Evictor schema.\n"
"--load-old PATH Load old schema from the given file or directory.\n"
"--load-new PATH Load new schema from the given file or directory.\n"
"--path-old DIR Add directory DIR to the old schema import search path.\n"
"--path-new DIR Add directory DIR to the new schema import search path.\n"
"--force Force removal of objects whose types cannot be found.\n"
"-h, --help Show this message.\n"
"-v, --version Display the Ice version.\n"
;
}
int
main(int argc, char* argv[])
{
Ice::CommunicatorPtr communicator;
bool failure = false;
try
{
communicator = Ice::initialize(argc, argv);
bool evictor = false;
Ice::StringSeq loadOld, loadNew;
Ice::StringSeq pathOld, pathNew;
bool force = false;
int idx = 1;
while(idx < argc)
{
if(strcmp(argv[idx], "--load-old") == 0)
{
if(idx + 1 >= argc)
{
cerr << argv[0] << ": argument expected for `" << argv[idx] << "'" << endl;
usage(argv[0]);
return EXIT_FAILURE;
}
loadOld.push_back(argv[idx + 1]);
for(int i = idx ; i + 2 < argc ; ++i)
{
argv[i] = argv[i + 2];
}
argc -= 2;
}
else if(strcmp(argv[idx], "--load-new") == 0)
{
if(idx + 1 >= argc)
{
cerr << argv[0] << ": argument expected for `" << argv[idx] << "'" << endl;
usage(argv[0]);
return EXIT_FAILURE;
}
loadNew.push_back(argv[idx + 1]);
for(int i = idx ; i + 2 < argc ; ++i)
{
argv[i] = argv[i + 2];
}
argc -= 2;
}
else if(strcmp(argv[idx], "--path-old") == 0)
{
if(idx + 1 >= argc)
{
cerr << argv[0] << ": argument expected for `" << argv[idx] << "'" << endl;
usage(argv[0]);
return EXIT_FAILURE;
}
pathOld.push_back(argv[idx + 1]);
for(int i = idx ; i + 2 < argc ; ++i)
{
argv[i] = argv[i + 2];
}
argc -= 2;
}
else if(strcmp(argv[idx], "--path-new") == 0)
{
if(idx + 1 >= argc)
{
cerr << argv[0] << ": argument expected for `" << argv[idx] << "'" << endl;
usage(argv[0]);
return EXIT_FAILURE;
}
pathNew.push_back(argv[idx + 1]);
for(int i = idx ; i + 2 < argc ; ++i)
{
argv[i] = argv[i + 2];
}
argc -= 2;
}
else if(strcmp(argv[idx], "-e") == 0 || strcmp(argv[idx], "--evictor") == 0)
{
evictor = true;
for(int i = idx ; i + 1 < argc ; ++i)
{
argv[i] = argv[i + 1];
}
--argc;
}
else if(strcmp(argv[idx], "--force") == 0)
{
force = true;
for(int i = idx ; i + 1 < argc ; ++i)
{
argv[i] = argv[i + 1];
}
--argc;
}
else if(strcmp(argv[idx], "-h") == 0 || strcmp(argv[idx], "--help") == 0)
{
usage(argv[0]);
return EXIT_SUCCESS;
}
else if(strcmp(argv[idx], "-v") == 0 || strcmp(argv[idx], "--version") == 0)
{
cout << ICE_STRING_VERSION << endl;
return EXIT_SUCCESS;
}
else if(argv[idx][0] == '-')
{
cerr << argv[0] << ": unknown option `" << argv[idx] << "'" << endl;
usage(argv[0]);
return EXIT_FAILURE;
}
else
{
idx++;
}
}
if((evictor && argc != 3) || (!evictor && argc != 5))
{
usage(argv[0]);
return EXIT_FAILURE;
}
try
{
DbEnv dbEnv(0);
dbEnv.set_flags(DB_TXN_NOSYNC, true);
u_int32_t flags = DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN |
DB_PRIVATE | DB_THREAD;
//
// TODO: DB_RECOVER_FATAL option
//
flags |= DB_RECOVER | DB_CREATE;
dbEnv.open(argv[1], flags, FREEZE_DB_MODE);
Db db(&dbEnv, 0);
flags = DB_AUTO_COMMIT | DB_THREAD;
db.open(0, argv[2], 0, DB_UNKNOWN, flags, FREEZE_DB_MODE);
XMLTransform::DBTransformer transformer(dbEnv, db, loadOld, loadNew, pathOld, pathNew, force);
if(evictor)
{
//
// This is the schema definition for the database used by the
// Freeze Evictor (a map of Ice::Identity to Freeze::ObjectRecord).
// Note that this requires that schema files be created for
// Identity.ice and ObjectRecord.ice, and that they be loaded using
// --load-old and --load-new.
//
static string schema =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<xs:schema xmlns:xs=\"http://www.w3.org/2002/XMLSchema\""
" elementFormDefault=\"qualified\""
" xmlns:tns=\"http://www.noorg.org/schemas\""
" xmlns:ice=\"http://www.zeroc.com/schemas\""
" targetNamespace=\"http://www.noorg.org/schemas\">"
" <xs:import namespace=\"http://www.zeroc.com/schemas\" schemaLocation=\"ice.xsd\"/>"
" <xs:element name=\"Key\" type=\"_internal.Ice.IdentityType\"/>"
" <xs:element name=\"Value\" type=\"_internal.Freeze.ObjectRecordType\"/></xs:schema>";
transformer.transform(schema);
}
else
{
transformer.transform(argv[3], argv[4]);
}
db.close(0);
dbEnv.close(0);
}
catch(const DbException& ex)
{
//
// Note: from Berkeley DB 4.1 on, ~Db and ~DbEnv close their respective
// handles if not done before.
//
cout << argv[0] << ": database failure: " << ex.what() << endl;
failure = true;
}
}
catch(const Ice::Exception& ex)
{
cerr << ex << endl;
failure = true;
}
try
{
communicator->destroy();
}
catch(const Ice::Exception& ex)
{
cerr << ex << endl;
failure = true;
}
if(failure)
{
return EXIT_FAILURE;
}
else
{
return EXIT_SUCCESS;
}
}
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