*/
+#include "lib/version.h"
#include "lib/disk_writer_messages.h"
#include "lib/compose.hpp"
#include "lib/exceptions.h"
#endif
#ifdef DCPOMATIC_OSX
+#include "lib/stdout_log.h"
#undef nil
extern "C" {
#include <lwext4/file_dev.h>
}
+#include <xpc/xpc.h>
#endif
#ifdef DCPOMATIC_LINUX
#include <sys/types.h>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
+#include <boost/foreach.hpp>
#include <iostream>
using std::cin;
using std::string;
using std::runtime_error;
using std::exception;
+using std::vector;
using boost::optional;
#ifdef DCPOMATIC_LINUX
static PolkitAuthority* polkit_authority = 0;
#endif
-static boost::filesystem::path dcp_path;
-static std::string device;
static uint64_t const block_size = 4096;
static Nanomsg* nanomsg = 0;
+#define SHORT_TIMEOUT 100
+#define LONG_TIMEOUT 2000
+
static
void
count (boost::filesystem::path dir, uint64_t& total_bytes)
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);
}
remaining -= this_time;
total_remaining -= this_time;
- nanomsg->blocking_send(String::compose(DISK_WRITER_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)));
+
+ ++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);
digester.add (buffer, this_time);
remaining -= this_time;
total_remaining -= this_time;
- nanomsg->blocking_send(String::compose(DISK_WRITER_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)));
+ nanomsg->send(String::compose(DISK_WRITER_VERIFY_PROGRESS "\n%1\n", (1 - float(total_remaining) / total)), SHORT_TIMEOUT);
}
ext4_fclose (&in);
}
+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());
}
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);
}
}
}
+
static
void
-write ()
+write (boost::filesystem::path dcp_path, string device)
try
{
-// ext4_dmask_set (DEBUG_ALL);
+ 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 = 1024;
+ info.block_size = 4096;
info.inode_size = 128;
info.journal = false;
/* XXX: not sure if disk_id matters */
int r = ext4_mbr_write (bd, &parts, 0);
-
if (r) {
throw CopyError ("Failed to write MBR", r);
}
LOG_DISK_NC ("Wrote MBR");
-#ifdef DCPOMATIC_WINDOWS
struct ext4_mbr_bdevs bdevs;
r = ext4_mbr_scan (bd, &bdevs);
if (r != EOK) {
throw CopyError ("Failed to read MBR", r);
}
+#ifdef DCPOMATIC_WINDOWS
file_windows_partition_set (bdevs.partitions[0].part_offset, bdevs.partitions[0].part_size);
#endif
+ LOG_DISK ("Writing to partition at %1 size %2; bd part size is %3", bdevs.partitions[0].part_offset, bdevs.partitions[0].part_size, bd->part_size);
+
#ifdef DCPOMATIC_LINUX
/* Re-read the partition table */
int fd = open(device.c_str(), O_RDONLY);
}
LOG_DISK_NC ("Opened partition");
- nanomsg->blocking_send(DISK_WRITER_FORMATTING "\n");
+ nanomsg->send(DISK_WRITER_FORMATTING "\n", SHORT_TIMEOUT);
- r = ext4_mkfs(&fs, bd, &info, F_SET_EXT4);
+ r = ext4_mkfs(&fs, bd, &info, F_SET_EXT2);
if (r != EOK) {
throw CopyError ("Failed to make filesystem", r);
}
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) {
}
ext4_device_unregister("ext4_fs");
- nanomsg->blocking_send(DISK_WRITER_OK "\n");
+ if (!nanomsg->send(DISK_WRITER_OK "\n", LONG_TIMEOUT)) {
+ throw CommunicationFailedError ();
+ }
+
+ disk_write_finished ();
} catch (CopyError& e) {
- LOG_DISK("CopyError: %1 %2", e.message(), e.number());
- nanomsg->blocking_send(String::compose(DISK_WRITER_ERROR "\n%1\n%2\n", e.message(), e.number()));
+ LOG_DISK("CopyError (from write): %1 %2", e.message(), e.number().get_value_or(0));
+ nanomsg->send(String::compose(DISK_WRITER_ERROR "\n%1\n%2\n", e.message(), e.number().get_value_or(0)), LONG_TIMEOUT);
} catch (VerifyError& e) {
- LOG_DISK("VerifyError: %1 %2", e.message(), e.number());
- nanomsg->blocking_send(String::compose(DISK_WRITER_ERROR "\n%1\n%2\n", e.message(), e.number()));
+ LOG_DISK("VerifyError (from write): %1 %2", e.message(), e.number());
+ nanomsg->send(String::compose(DISK_WRITER_ERROR "\n%1\n%2\n", e.message(), e.number()), LONG_TIMEOUT);
} catch (exception& e) {
- LOG_DISK("Exception: %1", e.what());
- nanomsg->blocking_send(String::compose(DISK_WRITER_ERROR "\n%1\n0\n", e.what()));
+ LOG_DISK("Exception (from write): %1", e.what());
+ nanomsg->send(String::compose(DISK_WRITER_ERROR "\n%1\n0\n", e.what()), LONG_TIMEOUT);
}
+struct Parameters
+{
+ boost::filesystem::path dcp_path;
+ std::string device;
+};
+
#ifdef DCPOMATIC_LINUX
static
void
-polkit_callback (GObject *, GAsyncResult* res, gpointer)
+polkit_callback (GObject *, GAsyncResult* res, gpointer data)
{
+ Parameters* parameters = reinterpret_cast<Parameters*> (data);
PolkitAuthorizationResult* result = polkit_authority_check_authorization_finish (polkit_authority, res, 0);
if (result && polkit_authorization_result_get_is_authorized(result)) {
- write ();
+ write (parameters->dcp_path, parameters->device);
}
+ delete parameters;
if (result) {
g_object_unref (result);
}
}
#endif
+
bool
idle ()
+try
{
using namespace boost::algorithm;
- optional<string> s = nanomsg->nonblocking_get ();
+ optional<string> s = nanomsg->receive (0);
if (!s) {
return true;
}
+ LOG_DISK("Writer receives command: %1", *s);
+
if (*s == DISK_WRITER_QUIT) {
exit (EXIT_SUCCESS);
+ } else if (*s == DISK_WRITER_UNMOUNT) {
+ /* XXX: should do Linux polkit stuff here */
+ optional<string> xml_head = nanomsg->receive (LONG_TIMEOUT);
+ optional<string> xml_body = nanomsg->receive (LONG_TIMEOUT);
+ if (!xml_head || !xml_body) {
+ LOG_DISK_NC("Failed to receive unmount request");
+ throw CommunicationFailedError ();
+ }
+ bool const success = Drive(*xml_head + *xml_body).unmount();
+ if (!nanomsg->send (success ? (DISK_WRITER_OK "\n") : (DISK_WRITER_ERROR "\n"), LONG_TIMEOUT)) {
+ LOG_DISK_NC("CommunicationFailedError in unmount_finished");
+ throw CommunicationFailedError ();
+ }
} else if (*s == DISK_WRITER_WRITE) {
- dcp_path = nanomsg->blocking_get();
- device = nanomsg->blocking_get();
+ optional<string> dcp_path = nanomsg->receive (LONG_TIMEOUT);
+ optional<string> device = nanomsg->receive (LONG_TIMEOUT);
+ if (!dcp_path || !device) {
+ LOG_DISK_NC("Failed to receive write request");
+ throw CommunicationFailedError();
+ }
/* Do some basic sanity checks; this is a bit belt-and-braces but it can't hurt... */
#ifdef DCPOMATIC_OSX
- if (!starts_with(device, "/dev/disk")) {
- LOG_DISK ("Will not write to %1", device);
- nanomsg->blocking_send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n");
+ if (!starts_with(*device, "/dev/disk")) {
+ LOG_DISK ("Will not write to %1", *device);
+ nanomsg->send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n", LONG_TIMEOUT);
return true;
}
#endif
#ifdef DCPOMATIC_LINUX
- if (!starts_with(device, "/dev/sd") && !starts_with(device, "/dev/hd")) {
- LOG_DISK ("Will not write to %1", device);
- nanomsg->blocking_send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n");
+ if (!starts_with(*device, "/dev/sd") && !starts_with(*device, "/dev/hd")) {
+ LOG_DISK ("Will not write to %1", *device);
+ nanomsg->send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n", LONG_TIMEOUT);
return true;
}
#endif
#ifdef DCPOMATIC_WINDOWS
- if (!starts_with(device, "\\\\.\\PHYSICALDRIVE")) {
- LOG_DISK ("Will not write to %1", device);
- nanomsg->blocking_send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n");
+ if (!starts_with(*device, "\\\\.\\PHYSICALDRIVE")) {
+ LOG_DISK ("Will not write to %1", *device);
+ nanomsg->send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n", LONG_TIMEOUT);
return true;
}
#endif
bool on_drive_list = false;
bool mounted = false;
- for (auto const& i: get_drives()) {
- if (i.internal_name() == device) {
+ for (auto const& i: Drive::get()) {
+ if (i.device() == *device) {
on_drive_list = true;
mounted = i.mounted();
}
}
if (!on_drive_list) {
- LOG_DISK ("Will not write to %1 as it's not recognised as a drive", device);
- nanomsg->blocking_send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n");
+ LOG_DISK ("Will not write to %1 as it's not recognised as a drive", *device);
+ nanomsg->send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n", LONG_TIMEOUT);
return true;
}
if (mounted) {
- LOG_DISK ("Will not write to %1 as it's mounted", device);
- nanomsg->blocking_send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n");
+ LOG_DISK ("Will not write to %1 as it's mounted", *device);
+ nanomsg->send(DISK_WRITER_ERROR "\nRefusing to write to this drive\n1\n", LONG_TIMEOUT);
return true;
}
- LOG_DISK ("Here we go writing %1 to %2", dcp_path, device);
+ LOG_DISK ("Here we go writing %1 to %2", *dcp_path, *device);
#ifdef DCPOMATIC_LINUX
polkit_authority = polkit_authority_get_sync (0, 0);
PolkitSubject* subject = polkit_unix_process_new (getppid());
+ Parameters* parameters = new Parameters;
+ parameters->dcp_path = *dcp_path;
+ parameters->device = *device;
polkit_authority_check_authorization (
- polkit_authority, subject, "com.dcpomatic.write-drive", 0, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, 0, polkit_callback, 0
+ polkit_authority, subject, "com.dcpomatic.write-drive", 0, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, 0, polkit_callback, parameters
);
#else
- write ();
+ write (*dcp_path, *device);
#endif
}
+ return true;
+} catch (exception& e) {
+ LOG_DISK("Exception (from idle): %1", e.what());
return true;
}
int
main ()
{
+#ifdef DCPOMATIC_OSX
+ /* On macOS this is running as root, so config_path() will be somewhere in root's
+ * home. Instead, just write to stdout as the macOS process control stuff will
+ * redirect this to a file in /var/log
+ */
+ dcpomatic_log.reset(new StdoutLog(LogEntry::TYPE_DISK));
+ LOG_DISK("dcpomatic_disk_writer %1 started", dcpomatic_git_commit);
+#else
/* XXX: this is a hack, but I expect we'll need logs and I'm not sure if there's
* a better place to put them.
*/
dcpomatic_log.reset(new FileLog(config_path() / "disk_writer.log", LogEntry::TYPE_DISK));
LOG_DISK_NC("dcpomatic_disk_writer started");
+#endif
+
+#ifdef DCPOMATIC_OSX
+ /* I *think* this confumes the notifyd event that we used to start the process, so we only
+ * get started once per notification.
+ */
+ xpc_set_event_stream_handler("com.apple.notifyd.matching", DISPATCH_TARGET_QUEUE_DEFAULT, ^(xpc_object_t event) {});
+#endif
try {
nanomsg = new Nanomsg (false);
projects / dcpomatic.git / blobdiff