Пример #1
0
Файл: npk.c Проект: keedi/npk
NPK_PACKAGE npk_package_open( NPK_CSTR filename, NPK_TEAKEY teakey[4] )
{
    NPK_PACKAGEBODY*    pb = NULL;
    NPK_RESULT          res;

    res = npk_package_alloc( (NPK_PACKAGE*)&pb, teakey );
    if( res != NPK_SUCCESS )
        return NULL;

    if( npk_package_init( pb ) != NPK_SUCCESS )
        goto npk_package_open_return_null_with_free;

    if( npk_open( &pb->handle_, filename, false, false ) != NPK_SUCCESS )
        goto npk_package_open_return_null_with_free;
    
    res = __npk_package_open( pb, filename, 0, teakey );
    if( res != NPK_SUCCESS )
        goto npk_package_open_return_null_with_free;

    return (NPK_PACKAGE*)pb;

npk_package_open_return_null_with_free:
    if( pb )
        npk_package_close( pb );

    return NULL;
}
Пример #2
0
Файл: npk.c Проект: keedi/npk
NPK_PACKAGE npk_package_open_with_fd( NPK_CSTR name, int fd, long offset, long size, NPK_TEAKEY teakey[4] )
{
    NPK_PACKAGEBODY*    pb = NULL;
    NPK_RESULT          res;

    res = npk_package_alloc( (NPK_PACKAGE*)&pb, teakey );
    if( res != NPK_SUCCESS )
        return NULL;

    if( npk_package_init( pb ) != NPK_SUCCESS )
        goto npk_package_open_return_null_with_free;

    pb->handle_ = fd;
    pb->usingFdopen_ = true;
    pb->offsetJump_ = offset;

    npk_seek( fd, offset, SEEK_CUR );
    
    res = __npk_package_open( pb, name, size, teakey );
    if( res != NPK_SUCCESS )
        goto npk_package_open_return_null_with_free;

    return (NPK_PACKAGE*)pb;

npk_package_open_return_null_with_free:
    if( pb )
        npk_package_close( pb );

    return NULL;
}
Пример #3
0
int npk_open(lua_State* L)
{
    npkg* pkg = new npkg;
    snprintf(pkg->path, 255, lua_tostring(L, -1));
    int key[4] = {0, 0, 0, 0};
    
    FILE* fp = fopen(pkg->path, "r");
    if(fp == 0)
	npk_package_alloc(&pkg->pkg, key);
    else
	pkg->pkg = npk_package_open(pkg->path, key);
    lua_pushnumber(L, pkg->id);
    return 1;
}
Пример #4
0
MPackage MPackageManagerNPK::openPackage(const char* packageName)
{
#ifdef M_PACKAGE_WRITABLE
	MPackageNPK* package = new MPackageNPK;
	if(isFileExist(packageName))
	{
		package->package = npk_package_open(packageName, teakey);
	}
	else
	{
		npk_package_alloc(&package->package, teakey);
	}

	if(package->package)
	{
		package->filename = packageName;
		return package;
	}
	delete package;
#endif
	return 0;
}
Пример #5
0
int libnpk_streamable( int argc, char * argv [] )
{
    int teakey[4] = {1,2,3,4};

    NPK_PACKAGE pack;
    NPK_ENTITY entity;

    // create a pack
    CHECK( NPK_SUCCESS == npk_package_alloc( &pack, teakey ) );
    CHECK( NPK_SUCCESS == npk_package_add_file( pack, "sample.txt", "sample.txt", &entity ) );
    CHECK( NPK_SUCCESS == npk_package_add_file( pack, "sample.txt", "tea.txt", &entity ) );
    CHECK( NPK_SUCCESS == npk_entity_set_flag( entity, NPK_ENTITY_ENCRYPT_TEA ) );
    CHECK( NPK_SUCCESS == npk_package_add_file( pack, "sample.txt", "xxtea.txt", &entity ) );
    CHECK( NPK_SUCCESS == npk_entity_set_flag( entity, NPK_ENTITY_ENCRYPT_XXTEA ) );
    CHECK( NPK_SUCCESS == npk_package_add_file( pack, "sample.txt", "zip.txt", &entity ) );
    CHECK( NPK_SUCCESS == npk_entity_set_flag( entity, NPK_ENTITY_COMPRESS_ZLIB ) );
    CHECK( NPK_SUCCESS == npk_package_save( pack, "foo.npk", true ) );

    npk_package_close( pack );

    // simulate download
    int rh = open( "foo.npk", O_RDONLY | O_BINARY );
    size_t filesize = npk_seek( rh, 0, SEEK_END );
    npk_seek( rh, 0, SEEK_SET );

    int wh = open( "foo_2.npk", O_CREAT | O_RDWR | O_TRUNC | O_BINARY, S_IREAD | S_IWRITE );

    // validation
    std::string entityNames[4] = { "sample.txt", "tea.txt", "xxtea.txt", "zip.txt" };
    pack = 0;
    int i = 0;
    size_t offset = 0;
    char buf[255];

    while( offset < filesize )
    {
        size_t r = rand()%16;
        if( r + offset > filesize )
            r = filesize - offset;

        read( rh, &buf, sizeof(char)*r );
        write( wh, buf, sizeof(char)*r );
        printf( "offset %ld, reading %ld byte(s).\n", offset, r );
        offset += r;

        if( pack == 0 )
        {
            pack = npk_package_open( "foo_2.npk", teakey );
            if( pack != 0 )
                printf( "   package loaded.\n" );
        }
        else
        {
            NPK_ENTITY entity = npk_package_get_entity( pack, entityNames[i].c_str() );
            CHECK( entity != NULL );

            NPK_SIZE size = npk_entity_get_size( entity );
            if( npk_entity_is_ready( entity ) )
            {
                printf( "   entity %s ready.\n", entityNames[i].c_str() );
                void* buf = malloc( size );

                CHECK( npk_entity_read( entity, buf ) );
                CHECK_EQUAL_STR_WITH_FILE( (const char*)buf, "sample.txt" );

                free( buf );
                ++i;
            }
        }
    }

    npk_package_close( pack );
    close( wh );
    close( rh );

    return 0;
}