-static
-void
-count (boost::filesystem::path dir, uint64_t& total_bytes)
-{
- using namespace boost::filesystem;
- for (directory_iterator i = directory_iterator(dir); i != directory_iterator(); ++i) {
- if (is_directory(*i)) {
- count (*i, total_bytes);
- } else {
- total_bytes += file_size (*i);
- }
- }
-}
-
-static
-string
-write (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total_remaining, uint64_t total)
-{
- ext4_file out;
- int r = ext4_fopen(&out, to.generic_string().c_str(), "wb");
- if (r != EOK) {
- throw CopyError (String::compose("Failed to open file %1", to.generic_string()), r);
- }
-
- FILE* in = fopen_boost (from, "rb");
- if (!in) {
- ext4_fclose (&out);
- throw CopyError (String::compose("Failed to open file %1", from.string()), 0);
- }
-
- uint8_t* buffer = new uint8_t[block_size];
- Digester digester;
-
- int progress_frequency = 5000;
- int progress_count = 0;
- uint64_t remaining = file_size (from);
- while (remaining > 0) {
- uint64_t const this_time = min(remaining, block_size);
- size_t read = fread (buffer, 1, this_time, in);
- if (read != this_time) {
- fclose (in);
- ext4_fclose (&out);
- delete[] buffer;
- throw CopyError (String::compose("Short read; expected %1 but read %2", this_time, read), 0);
- }
-
- digester.add (buffer, this_time);
-
- size_t written;
- r = ext4_fwrite (&out, buffer, this_time, &written);
- if (r != EOK) {
- fclose (in);
- ext4_fclose (&out);
- delete[] buffer;
- throw CopyError ("Write failed", r);
- }
- if (written != this_time) {
- fclose (in);
- ext4_fclose (&out);
- delete[] buffer;
- throw CopyError (String::compose("Short write; expected %1 but wrote %2", this_time, written), 0);
- }
- remaining -= this_time;
- total_remaining -= this_time;
-
- ++progress_count;
- if ((progress_count % progress_frequency) == 0) {
- nanomsg->send(String::compose(DISK_WRITER_COPY_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
- }
- }
-
- fclose (in);
- ext4_fclose (&out);
- delete[] buffer;
-
- return digester.get ();
-}
-
-static
-string
-read (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total_remaining, uint64_t total)
-{
- ext4_file in;
- LOG_DISK("Opening %1 for read", to.generic_string());
- int r = ext4_fopen(&in, to.generic_string().c_str(), "rb");
- if (r != EOK) {
- throw VerifyError (String::compose("Failed to open file %1", to.generic_string()), r);
- }
- LOG_DISK("Opened %1 for read", to.generic_string());
-
- uint8_t* buffer = new uint8_t[block_size];
- Digester digester;
-
- uint64_t remaining = file_size (from);
- while (remaining > 0) {
- uint64_t const this_time = min(remaining, block_size);
- size_t read;
- r = ext4_fread (&in, buffer, this_time, &read);
- if (read != this_time) {
- ext4_fclose (&in);
- delete[] buffer;
- throw VerifyError (String::compose("Short read; expected %1 but read %2", this_time, read), 0);
- }
-
- digester.add (buffer, this_time);
- remaining -= this_time;
- total_remaining -= this_time;
- nanomsg->send(String::compose(DISK_WRITER_VERIFY_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
- }
-
- ext4_fclose (&in);
- delete[] buffer;
-
- return digester.get ();
-}
-
-
-class CopiedFile
-{
-public:
- CopiedFile (boost::filesystem::path from_, boost::filesystem::path to_, string write_digest_)
- : from (from_)
- , to (to_)
- , write_digest (write_digest_)
- {}
-
- boost::filesystem::path from;
- boost::filesystem::path to;
- /** digest calculated from data as it was read from the source during write */
- string write_digest;
-};
-
-
-/** @param from File to copy from.
- * @param to Directory to copy to.
- */
-static
-void
-copy (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total_remaining, uint64_t total, vector<CopiedFile>& copied_files)
-{
- LOG_DISK ("Copy %1 -> %2", from.string(), to.generic_string());
-
- using namespace boost::filesystem;
-
- path const cr = to / from.filename();
-
- if (is_directory(from)) {
- int r = ext4_dir_mk (cr.generic_string().c_str());
- if (r != EOK) {
- throw CopyError (String::compose("Failed to create directory %1", cr.generic_string()), r);
- }
-
- for (directory_iterator i = directory_iterator(from); i != directory_iterator(); ++i) {
- copy (i->path(), cr, total_remaining, total, copied_files);
- }
- } else {
- string const write_digest = write (from, cr, total_remaining, total);
- LOG_DISK ("Wrote %1 %2 with %3", from.string(), cr.generic_string(), write_digest);
- copied_files.push_back (CopiedFile(from, cr, write_digest));
- }
-}
-
-
-static
-void
-verify (vector<CopiedFile> const& copied_files, uint64_t total)
-{
- uint64_t total_remaining = total;
- BOOST_FOREACH (CopiedFile const& i, copied_files) {
- string const read_digest = read (i.from, i.to, total_remaining, total);
- LOG_DISK ("Read %1 %2 was %3 on write, now %4", i.from.string(), i.to.generic_string(), i.write_digest, read_digest);
- if (read_digest != i.write_digest) {
- throw VerifyError ("Hash of written data is incorrect", 0);
- }
- }
-}
-
-
-static
-void
-write (boost::filesystem::path dcp_path, string device)
-try
-{
- ext4_dmask_set (DEBUG_ALL);
-
- /* We rely on static initialization for these */
- static struct ext4_fs fs;
- static struct ext4_mkfs_info info;
- info.block_size = 4096;
- info.inode_size = 128;
- info.journal = false;
-
-#ifdef WIN32
- file_windows_name_set(device.c_str());
- struct ext4_blockdev* bd = file_windows_dev_get();
-#else
- file_dev_name_set (device.c_str());
- struct ext4_blockdev* bd = file_dev_get ();
-#endif
-
- if (!bd) {
- throw CopyError ("Failed to open drive", 0);
- }
- LOG_DISK_NC ("Opened drive");
-
- struct ext4_mbr_parts parts;
- parts.division[0] = 100;
- parts.division[1] = 0;
- parts.division[2] = 0;
- parts.division[3] = 0;