Update deprecated method call.
[dcpomatic.git] / src / tools / dcpomatic_disk_writer.cc
index d5599f25b5af2d15dd65c15fcfe47b9e03d894fa..66d38ec19b77ff8a32f35b53b9c3a3f36d4ab0be 100644 (file)
@@ -71,6 +71,7 @@ extern "C" {
 #include <sys/types.h>
 #include <boost/filesystem.hpp>
 #include <boost/algorithm/string.hpp>
+#include <boost/foreach.hpp>
 #include <iostream>
 
 using std::cin;
@@ -78,6 +79,7 @@ using std::min;
 using std::string;
 using std::runtime_error;
 using std::exception;
+using std::vector;
 using boost::optional;
 
 #ifdef DCPOMATIC_LINUX
@@ -156,7 +158,7 @@ write (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total
 
                ++progress_count;
                if ((progress_count % progress_frequency) == 0) {
-                       nanomsg->send(String::compose(DISK_WRITER_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
+                       nanomsg->send(String::compose(DISK_WRITER_COPY_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
                }
        }
 
@@ -196,7 +198,7 @@ read (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total_
                digester.add (buffer, this_time);
                remaining -= this_time;
                total_remaining -= this_time;
-               nanomsg->send(String::compose(DISK_WRITER_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
+               nanomsg->send(String::compose(DISK_WRITER_VERIFY_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
        }
 
        ext4_fclose (&in);
@@ -206,12 +208,28 @@ read (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total_
 }
 
 
+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)
+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());
 
@@ -226,14 +244,25 @@ copy (boost::filesystem::path from, boost::filesystem::path to, uint64_t& total_
                }
 
                for (directory_iterator i = directory_iterator(from); i != directory_iterator(); ++i) {
-                       copy (i->path(), cr, total_remaining, total);
+                       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);
-               string const read_digest = read (from, cr, total_remaining, total);
-               LOG_DISK ("Read %1 %2 with %3", from.string(), cr.generic_string(), write_digest);
-               if (write_digest != read_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);
                }
        }
@@ -349,11 +378,22 @@ try
        uint64_t total_bytes = 0;
        count (dcp_path, total_bytes);
 
-       /* XXX: this is a hack.  We are going to "treat" every byte twice; write it, and then verify it.  Double the
-        * bytes totals so that progress works itself out (assuming write is the same speed as read).
-        */
-       total_bytes *= 2;
-       copy (dcp_path, "/mp", total_bytes, total_bytes);
+       uint64_t total_remaining = total_bytes;
+       vector<CopiedFile> copied_files;
+       copy (dcp_path, "/mp", total_remaining, total_bytes, copied_files);
+
+       /* Unmount and re-mount to make sure the write has finished */
+       r = ext4_umount("/mp/");
+       if (r != EOK) {
+               throw CopyError ("Failed to unmount device", r);
+       }
+       r = ext4_mount("ext4_fs", "/mp/", false);
+       if (r != EOK) {
+               throw CopyError ("Failed to mount device", r);
+       }
+       LOG_DISK_NC ("Re-mounted device");
+
+       verify (copied_files, total_bytes);
 
        r = ext4_umount("/mp/");
        if (r != EOK) {
@@ -485,7 +525,7 @@ try
 
 #ifdef DCPOMATIC_LINUX
                polkit_authority = polkit_authority_get_sync (0, 0);
-               PolkitSubject* subject = polkit_unix_process_new (getppid());
+               PolkitSubject* subject = polkit_unix_process_new_for_owner (getppid(), 0, -1);
                Parameters* parameters = new Parameters;
                parameters->dcp_path = *dcp_path;
                parameters->device = *device;