//-------------------------------------------------
// audit_one_disk - validate a single disk entry
//-------------------------------------------------
audit_record audit_one_disk(ListPointer <rom_entry> rom, string locationtag = null) //const rom_entry *rom
{
// allocate and append a new record
audit_record record = m_record_list.emplace_back(new audit_record(rom, audit_record.media_type.MEDIA_DISK)).Value; //audit_record &record = *m_record_list.emplace(m_record_list.end(), *rom, media_type::DISK);
// open the disk
chd_file source = new chd_file();
chd_error err = (chd_error)romload_global.open_disk_image(m_enumerator.options(), m_enumerator.driver(), rom[0], source, locationtag);
// if we succeeded, get the hashes
if (err == chd_error.CHDERR_NONE)
{
util.hash_collection hashes = new util.hash_collection();
// if there's a SHA1 hash, add them to the output hash
if (source.sha1() != null)
{
hashes.add_sha1(source.sha1());
}
// update the actual values
record.set_actual(hashes);
}
// compute the final status
compute_status(record, rom[0], err == chd_error.CHDERR_NONE);
return(record);
}
public parent_rom(device_type t, Pointer <rom_entry> r)
{
type = t;
name = r.op.name();
hashes = new util.hash_collection(r.op.hashdata());
length = rom_file_size(r);
}
//-------------------------------------------------
// audit_device - audit the device
//-------------------------------------------------
public summary audit_device(device_t device, string validation = AUDIT_VALIDATE_FULL)
{
// start fresh
m_record_list.clear();
// store validation for later
m_validation = validation;
m_searchpath = device.shortname();
int found = 0;
int required = 0;
// now iterate over regions and ROMs within
for (ListPointer <rom_entry> region = romload_global.rom_first_region(device); region != null; region = romload_global.rom_next_region(region))
{
for (ListPointer <rom_entry> rom = romload_global.rom_first_file(region); rom != null; rom = romload_global.rom_next_file(rom))
{
util.hash_collection hashes = new util.hash_collection(romload_global.ROM_GETHASHDATA(rom[0]));
// count the number of files with hashes
if (!hashes.flag(util.hash_collection.FLAG_NO_DUMP) && !romload_global.ROM_ISOPTIONAL(rom[0]))
{
required++;
}
// audit a file
audit_record record = null;
if (romload_global.ROMREGION_ISROMDATA(region[0]))
{
record = audit_one_rom(rom);
}
// audit a disk
else if (romload_global.ROMREGION_ISDISKDATA(region[0]))
{
record = audit_one_disk(rom);
}
// count the number of files that are found.
if (record != null && (record.status() == audit_record.audit_status.STATUS_GOOD || record.status() == audit_record.audit_status.STATUS_FOUND_INVALID))
{
found++;
}
}
}
if (found == 0 && required > 0)
{
m_record_list.clear();
return(summary.NOTFOUND);
}
// return a summary
string unused = "";
return(summarize(device.shortname(), ref unused));
}
public audit_record(string name, media_type type)
{
m_next = null;
m_type = type;
m_status = audit_status.UNVERIFIED;
m_substatus = audit_substatus.UNVERIFIED;
m_name = name;
m_explength = 0;
m_length = 0;
m_exphashes = new util.hash_collection();
m_hashes = new util.hash_collection();
m_shared_device = null;
}
device_type m_shared_device; /* device that shares the rom */ //std::add_pointer_t<device_type> m_shared_device; // device that shares the ROM
// construction/destruction
//-------------------------------------------------
// audit_record - constructor
//-------------------------------------------------
public audit_record(Pointer <rom_entry> media, media_type type)
{
m_next = null;
m_type = type;
m_status = audit_status.UNVERIFIED;
m_substatus = audit_substatus.UNVERIFIED;
m_name = media.op.name();
m_explength = rom_file_size(media);
m_length = 0;
m_exphashes = new util.hash_collection(media.op.hashdata());
m_hashes = new util.hash_collection();
m_shared_device = null;
}
//-------------------------------------------------
// find_shared_device - return the source that
// shares a media entry with the same hashes
//-------------------------------------------------
device_t find_shared_device(device_t device, string name, util.hash_collection romhashes, UInt64 romlength)
{
bool dumped = !romhashes.flag(util.hash_collection.FLAG_NO_DUMP);
// special case for non-root devices
device_t highest_device = null;
if (device.owner() != null)
{
for (ListPointer <rom_entry> region = romload_global.rom_first_region(device); region != null; region = romload_global.rom_next_region(region))
{
for (ListPointer <rom_entry> rom = romload_global.rom_first_file(region); rom != null; rom = romload_global.rom_next_file(rom))
{
if (romload_global.ROM_GETLENGTH(rom[0]) == romlength)
{
util.hash_collection hashes = new util.hash_collection(romload_global.ROM_GETHASHDATA(rom[0]));
if ((dumped && hashes == romhashes) || (!dumped && romload_global.ROM_GETNAME(rom[0]) == name))
{
highest_device = device;
}
}
}
}
}
else
{
// iterate up the parent chain
for (int drvindex = driver_enumerator.find(m_enumerator.driver().parent); drvindex != -1; drvindex = driver_enumerator.find(driver_enumerator.driver(drvindex).parent))
{
foreach (device_t scandevice in new device_iterator(m_enumerator.config(drvindex).root_device()))
{
for (ListPointer <rom_entry> region = romload_global.rom_first_region(scandevice); region != null; region = romload_global.rom_next_region(region))
{
for (ListPointer <rom_entry> rom = romload_global.rom_first_file(region); rom != null; rom = romload_global.rom_next_file(rom))
{
if (romload_global.ROM_GETLENGTH(rom[0]) == romlength)
{
util.hash_collection hashes = new util.hash_collection(romload_global.ROM_GETHASHDATA(rom[0]));
if ((dumped && hashes == romhashes) || (!dumped && romload_global.ROM_GETNAME(rom[0]) == name))
{
highest_device = scandevice;
}
}
}
}
}
}
}
return(highest_device);
}
public device_type find_shared_device(device_t current, string name, util.hash_collection hashes, uint64_t length) //std::add_pointer_t<device_type> find_shared_device(device_t ¤t, char const *name, util::hash_collection const &hashes, uint64_t length) const
{
// if we're examining a child device, it will always have a perfect match
if (current.owner() != null)
{
return(current.type());
}
// scan backwards through parents for a matching definition
bool dumped = !hashes.flag(util.hash_collection.FLAG_NO_DUMP);
device_type best = null;
foreach (var it in this.Reverse()) //for (const_reverse_iterator it = crbegin(); crend() != it; ++it)
{
if (it.length == length)
{
if (dumped)
{
if (it.hashes == hashes)
{
return(it.type);
}
}
else if (it.name == name)
{
if (it.hashes.flag(util.hash_collection.FLAG_NO_DUMP))
{
return(it.type);
}
else if (best == null)
{
best = it.type;
}
}
}
}
return(best);
}
// getters
//const simple_list<audit_record> &records() const { return m_record_list; }
// audit operations
//-------------------------------------------------
// audit_media - audit the media described by the
// currently-enumerated driver
//-------------------------------------------------
public summary audit_media(string validation = AUDIT_VALIDATE_FULL)
{
// start fresh
m_record_list.clear();
// store validation for later
m_validation = validation;
// temporary hack until romload is update: get the driver path and support it for
// all searches
string driverpath = m_enumerator.config().root_device().searchpath();
int found = 0;
int required = 0;
int shared_found = 0;
int shared_required = 0;
// iterate over devices and regions
foreach (device_t device in new device_iterator(m_enumerator.config().root_device()))
{
// determine the search path for this source and iterate through the regions
m_searchpath = device.searchpath();
// now iterate over regions and ROMs within
for (ListPointer <rom_entry> region = romload_global.rom_first_region(device); region != null; region = romload_global.rom_next_region(region))
{
// temporary hack: add the driver path & region name
string combinedpath = device.searchpath() + ";" + driverpath;
if (!string.IsNullOrEmpty(device.shortname()))
{
combinedpath += ";" + device.shortname();
}
m_searchpath = combinedpath;
for (ListPointer <rom_entry> rom = romload_global.rom_first_file(region); rom != null; rom = romload_global.rom_next_file(rom))
{
string name = romload_global.ROM_GETNAME(rom[0]);
util.hash_collection hashes = new util.hash_collection(romload_global.ROM_GETHASHDATA(rom[0]));
device_t shared_device = find_shared_device(device, name, hashes, romload_global.ROM_GETLENGTH(rom[0]));
// count the number of files with hashes
if (!hashes.flag(util.hash_collection.FLAG_NO_DUMP) && !romload_global.ROM_ISOPTIONAL(rom[0]))
{
required++;
if (shared_device != null)
{
shared_required++;
}
}
// audit a file
audit_record record = null;
if (romload_global.ROMREGION_ISROMDATA(region[0]))
{
record = audit_one_rom(rom);
}
// audit a disk
else if (romload_global.ROMREGION_ISDISKDATA(region[0]))
{
record = audit_one_disk(rom);
}
if (record != null)
{
// count the number of files that are found.
if (record.status() == audit_record.audit_status.STATUS_GOOD || (record.status() == audit_record.audit_status.STATUS_FOUND_INVALID && find_shared_device(device, name, record.actual_hashes(), record.actual_length()) == null))
{
found++;
if (shared_device != null)
{
shared_found++;
}
}
record.set_shared_device(shared_device);
}
}
}
}
// if we only find files that are in the parent & either the set has no unique files or the parent is not found, then assume we don't have the set at all
if (found == shared_found && required > 0 && (required != shared_required || shared_found == 0))
{
m_record_list.clear();
return(summary.NOTFOUND);
}
// return a summary
string unused = "";
return(summarize(m_enumerator.driver().name, ref unused));
}
public void set_actual(util.hash_collection hashes, UInt64 length = 0)
{
m_hashes = hashes;
m_length = length;
}
public std.pair <device_type, bool> actual_matches_shared(device_t current, media_auditor.audit_record record) //std::pair<std::add_pointer_t<device_type>, bool> actual_matches_shared(device_t ¤t, media_auditor::audit_record const &record)
{
// no result if no matching file was found
if ((record.status() != media_auditor.audit_status.GOOD) && (record.status() != media_auditor.audit_status.FOUND_INVALID))
{
return(std.make_pair((device_type)null, false));
}
// if we're examining a child device, scan it first
bool matches_device_undumped = false;
if (current.owner() != null)
{
for (Pointer <rom_entry> region = rom_first_region(current); region != null; region = rom_next_region(region))
{
for (Pointer <rom_entry> rom = rom_first_file(region); rom != null; rom = rom_next_file(rom))
{
if (rom_file_size(rom) == record.actual_length())
{
util.hash_collection hashes = new util.hash_collection(rom.op.hashdata());
if (hashes == record.actual_hashes())
{
return(std.make_pair(current.type(), empty()));
}
else if (hashes.flag(util.hash_collection.FLAG_NO_DUMP) && (rom.op.name() == record.name()))
{
matches_device_undumped = true;
}
}
}
}
}
// look for a matching parent ROM
device_type closest_bad = null;
foreach (var it in this.Reverse()) //for (const_reverse_iterator it = crbegin(); crend() != it; ++it)
{
if (it.length == record.actual_length())
{
if (it.hashes == record.actual_hashes())
{
return(std.make_pair(it.type, it.type == this[0].type));
}
else if (it.hashes.flag(util.hash_collection.FLAG_NO_DUMP) && (it.name == record.name()))
{
closest_bad = it.type;
}
}
}
// fall back to the nearest bad dump
if (closest_bad != null)
{
return(std.make_pair(closest_bad, this[0].type == closest_bad));
}
else if (matches_device_undumped)
{
return(std.make_pair(current.type(), empty()));
}
else
{
return(std.make_pair((device_type)null, false));
}
}
// audit operations
//-------------------------------------------------
// audit_media - audit the media described by the
// currently-enumerated driver
//-------------------------------------------------
public summary audit_media(string validation = AUDIT_VALIDATE_FULL)
{
// start fresh
m_record_list.clear();
// store validation for later
m_validation = validation;
// first walk the parent chain for required ROMs
parent_rom_vector parentroms = new parent_rom_vector();
for (var drvindex = driver_list.find(m_enumerator.driver().parent); 0 <= drvindex; drvindex = driver_list.find(driver_list.driver((size_t)drvindex).parent)) //for (auto drvindex = m_enumerator.find(m_enumerator.driver().parent); 0 <= drvindex; drvindex = m_enumerator.find(m_enumerator.driver(drvindex).parent))
{
game_driver parent = driver_list.driver((size_t)drvindex);
LOG(null, "Checking parent {0} for ROM files\n", parent.type.shortname());
std.vector <rom_entry> roms = rom_build_entries(parent.rom);
for (Pointer <rom_entry> region = rom_first_region(new Pointer <rom_entry>(roms)); region != null; region = rom_next_region(region)) //for (rom_entry const *region = rom_first_region(&roms.front()); region; region = rom_next_region(region))
{
for (Pointer <rom_entry> rom = rom_first_file(region); rom != null; rom = rom_next_file(rom)) //for (rom_entry const *rom = rom_first_file(region); rom; rom = rom_next_file(rom))
{
LOG(null, "Adding parent ROM {0}\n", rom.op.name());
parentroms.emplace_back(new parent_rom(parent.type, rom));
}
}
}
parentroms.remove_redundant_parents();
// count ROMs required/found
size_t found = 0;
size_t required = 0;
size_t shared_found = 0;
size_t shared_required = 0;
size_t parent_found = 0;
// iterate over devices and regions
std.vector <string> searchpath = new std.vector <string>();
foreach (device_t device in new device_enumerator(m_enumerator.config().root_device()))
{
searchpath.clear();
// now iterate over regions and ROMs within
for (Pointer <rom_entry> region = rom_first_region(device); region != null; region = rom_next_region(region))
{
for (Pointer <rom_entry> rom = rom_first_file(region); rom != null; rom = rom_next_file(rom))
{
if (searchpath.empty())
{
LOG(null, "Audit media for device {0}({1})\n", device.shortname(), device.tag());
searchpath = device.searchpath();
}
// look for a matching parent or device ROM
string name = rom.op.name();
util.hash_collection hashes = new util.hash_collection(rom.op.hashdata());
bool dumped = !hashes.flag(util.hash_collection.FLAG_NO_DUMP);
device_type shared_device = parentroms.find_shared_device(device, name, hashes, rom_file_size(rom));
if (shared_device != null)
{
LOG(null, "File '{0}' {1}{2}dumped shared with {3}\n", name, ROM_ISOPTIONAL(rom.op) ? "optional " : "", dumped ? "" : "un", shared_device.shortname());
}
else
{
LOG(null, "File '{0}' {1}{2}dumped\n", name, ROM_ISOPTIONAL(rom.op) ? "optional " : "", dumped ? "" : "un");
}
// count the number of files with hashes
if (dumped && !ROM_ISOPTIONAL(rom.op))
{
required++;
if (shared_device != null)
{
shared_required++;
}
}
// audit a file
audit_record record = null;
if (ROMREGION_ISROMDATA(region.op))
{
record = audit_one_rom(searchpath, rom);
}
// audit a disk
else if (ROMREGION_ISDISKDATA(region.op))
{
record = audit_one_disk(rom, device);
}
if (record != null)
{
// see if the actual content found belongs to a parent
var matchesshared = parentroms.actual_matches_shared(device, record);
if (matchesshared.first != null)
{
LOG(null, "Actual ROM file shared with {0}parent {1}\n", matchesshared.second ? "immediate " : "", matchesshared.first.shortname());
}
// count the number of files that are found.
if ((record.status() == audit_status.GOOD) || ((record.status() == audit_status.FOUND_INVALID) && (matchesshared.first == null)))
{
found++;
if (shared_device != null)
{
shared_found++;
}
if (matchesshared.second)
{
parent_found++;
}
}
record.set_shared_device(shared_device);
}
}
}
}
if (!searchpath.empty())
{
LOG(null, "Total required={0} (shared={1}) found={2} (shared={3} parent={4})\n", required, shared_required, found, shared_found, parent_found);
}
// if we only find files that are in the parent & either the set has no unique files or the parent is not found, then assume we don't have the set at all
if ((found == shared_found) && required != 0 && ((required != shared_required) || parent_found == 0))
{
m_record_list.clear();
return(summary.NOTFOUND);
}
// return a summary
return(summarize(m_enumerator.driver().name));
}
