bool Util::createPackage(std::string path, const char* appname, const char* appver,
const char* appdesc, const char* appauthor)
{
// Open the new package.
std::fstream * nfd = new std::fstream(path.c_str(),
std::ios::out | std::ios::trunc | std::ios::in | std::ios::binary);
if (!nfd->is_open())
{
AppLib::Logging::showErrorW("Unable to open new package path for writing.");
return false;
}
// Write out 1MB for the bootstrap area.
#if OFFSET_BOOTSTRAP != 0
#error The createPackage() function is written under the assumption that the bootstrap
#error offset is 0, hence the library will not operate correctly with a different offset.
#endif
for (int i = 0; i < LENGTH_BOOTSTRAP; i += 1)
{
nfd->write("\0", 1);
}
// Write out the INode lookup table.
for (int i = 0; i < LENGTH_LOOKUP / 4; i += 1)
{
if (i == 0)
{
uint32_t pos = OFFSET_DATA;
nfd->write(reinterpret_cast<char *>(&pos), 4);
}
else
nfd->write("\0\0\0\0", 4);
}
// Now add the FSInfo inode at OFFSET_FSINFO.
INode fsnode(0, "", INodeType::INT_FSINFO);
fsnode.ver_major = LIBRARY_VERSION_MAJOR;
fsnode.ver_minor = LIBRARY_VERSION_MINOR;
fsnode.ver_revision = LIBRARY_VERSION_REVISION;
fsnode.setAppName(appname);
fsnode.setAppVersion(appver);
fsnode.setAppDesc(appdesc);
fsnode.setAppAuthor(appauthor);
fsnode.pos_root = OFFSET_DATA;
fsnode.pos_freelist = 0; // The first FreeList block will automatically be
// created when the first block is freed.
std::string fsnode_towrite = fsnode.getBinaryRepresentation();
nfd->write(fsnode_towrite.c_str(), fsnode_towrite.size());
for (int i = fsnode_towrite.size(); i < LENGTH_FSINFO; i += 1)
{
nfd->write("\0", 1);
}
time_t rtime;
time(&rtime);
// Now add the root inode at OFFSET_DATA.
INode rnode(0, "", INodeType::INT_DIRECTORY);
rnode.uid = 0;
rnode.gid = 1000;
rnode.mask = 0777;
rnode.atime = rtime;
rnode.mtime = rtime;
rnode.ctime = rtime;
rnode.parent = 0;
rnode.children_count = 0;
std::string rnode_towrite = rnode.getBinaryRepresentation();
nfd->write(rnode_towrite.c_str(), rnode_towrite.size());
for (int i = rnode_towrite.size(); i < BSIZE_FILE; i += 1)
{
nfd->write("\0", 1);
}
nfd->close();
delete nfd;
return true;
}
int main(int argc, char *argv[])
{
if(argc != 3) {
std::cerr << "Usage: " << argv[0] << " <input file> <max tree depth>\n";
return 1;
}
/* parse command line args */
std::istringstream nd(argv[2]);
std::ifstream infile(argv[1]);
int maxdepth;
nd >> maxdepth;
// check for errors
if(!infile) {
std::cerr << "Unable to open " << argv[1] << " for input.\n";
return 2;
}
if(maxdepth <=1) {
std::cerr << "Max depth must be >1. Value received was " << maxdepth << "\n";
return 2;
}
Graph G;
if(!read_graph_from_stream(infile,G)) {
std::cerr << "Error reading input graph.\n";
return 3;
}
// output command line to stderr
std::cerr << "Command line:\t";
for(int i=0;i<argc;++i)
std::cerr << argv[i] << " ";
std::cerr << "\n";
struct timeval t1,t2,t3,t4;
gettimeofday(&t1,NULL);
/* Compute transitive reduction of G */
Graph Greduce = G.treduce();
gettimeofday(&t2,NULL);
/* parse the graph into a clan tree */
ClanTree ptree;
Greduce.topological_sort();
gettimeofday(&t3,NULL);
graph_parse(Greduce, NULL, ptree, 5);
gettimeofday(&t4,NULL);
// check integrity of both graphs.
if(!G.integrity_check()) {
std::cerr << "Integrity check failed for " << G << ".\n";
return 4;
}
else {
std::cerr << "Integrity check passed for " << G << ".\n";
}
if(!ptree.integrity_check()) {
std::cerr << "Integrity check failed for " << ptree << ".\n";
return 4;
}
else {
std::cerr << "Integrity check passed for parse tree: " << ptree << ".\n";
}
#if 0
std::cerr << ptree.nodelist().size() << " Clans found (including singletons)\n";
for(ClanTree::nodelist_c_iter_t rnode(ptree.nodelist().begin());
rnode != ptree.nodelist().end(); ++rnode) {
std::cerr << clan_abbrev(rnode->first,0) << "\taddr=" << &rnode->first;
std::cerr << "\tG= " << rnode->first.graph();
std::cerr << "\n\tChild nodes:\n";
for(std::set<Clanid>::const_iterator ccln(rnode->second.successors.begin());
ccln != rnode->second.successors.end(); ++ccln)
std::cerr << "\t" << clan_abbrev(*ccln,0) << "\tG= " << ccln->graph() << "\n";
}
#endif
/* Output the clan tree */
Clanid root(ptree.find_source_node());
ClanTree::nodelist_c_iter_t rnode(ptree.nodelist().find(root));
draw_clan_tree(std::cout, rnode, ptree, 0, maxdepth);
double dt1 = (t2.tv_sec - t1.tv_sec) + 1.0e-6*(t2.tv_usec - t1.tv_usec);
double dt2 = (t3.tv_sec - t2.tv_sec) + 1.0e-6*(t3.tv_usec - t2.tv_usec);
double dt3 = (t4.tv_sec - t3.tv_sec) + 1.0e-6*(t4.tv_usec - t3.tv_usec);
std::cerr << "\nTiming report:\n\ttransitive reduction:\t" << dt1 << " s\n";
std::cerr << "\tTopological sort:\t" << dt2 << " s\n";
std::cerr << "\tGraph parse:\t" << dt3 << " s\n";
return 0;
}
