/*
- Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
/** @file src/encode_server.cc
* @brief Class to describe a server to which we can send
* encoding work, and a class to implement such a server.
*/
+
#include "encode_server.h"
#include "util.h"
#include "dcpomatic_socket.h"
#include "encoded_log_entry.h"
#include "version.h"
#include <dcp/raw_convert.h>
+#include <dcp/warnings.h>
#include <libcxml/cxml.h>
+LIBDCP_DISABLE_WARNINGS
#include <libxml++/libxml++.h>
+LIBDCP_ENABLE_WARNINGS
#include <boost/algorithm/string.hpp>
#include <boost/scoped_array.hpp>
-#include <boost/foreach.hpp>
#ifdef HAVE_VALGRIND_H
#include <valgrind/memcheck.h>
#endif
#include "i18n.h"
+
using std::string;
using std::vector;
using std::list;
using std::cout;
using std::cerr;
using std::fixed;
-using boost::shared_ptr;
+using std::shared_ptr;
+using std::make_shared;
using boost::thread;
using boost::bind;
using boost::scoped_array;
using boost::optional;
+using dcp::ArrayData;
using dcp::Size;
-using dcp::Data;
using dcp::raw_convert;
+
EncodeServer::EncodeServer (bool verbose, int num_threads)
#if !defined(RUNNING_ON_VALGRIND) || RUNNING_ON_VALGRIND == 0
: Server (ENCODE_FRAME_PORT)
}
+
EncodeServer::~EncodeServer ()
{
+ boost::this_thread::disable_interruption dis;
+
{
boost::mutex::scoped_lock lm (_mutex);
_terminate = true;
_full_condition.notify_all ();
}
- BOOST_FOREACH (boost::thread* i, _worker_threads) {
- /* Ideally this would be a DCPOMATIC_ASSERT(i->joinable()) but we
- can't throw exceptions from a destructor.
- */
- if (i->joinable ()) {
- i->join ();
+ try {
+ _worker_threads.join_all ();
+ } catch (...) {}
+
+ {
+ boost::mutex::scoped_lock lm (_broadcast.mutex);
+ if (_broadcast.socket) {
+ _broadcast.socket->close ();
+ delete _broadcast.socket;
+ _broadcast.socket = 0;
}
- delete i;
}
- if (_broadcast.socket) {
- _broadcast.socket->close ();
- }
_broadcast.io_service.stop ();
- if (_broadcast.thread) {
- /* Ideally this would be a DCPOMATIC_ASSERT(_broadcast.thread->joinable()) but we
- can't throw exceptions from a destructor.
- */
- if (_broadcast.thread->joinable ()) {
- _broadcast.thread->join ();
- }
- delete _broadcast.thread;
- }
+ try {
+ _broadcast.thread.join ();
+ } catch (...) {}
}
+
/** @param after_read Filled in with gettimeofday() after reading the input from the network.
* @param after_encode Filled in with gettimeofday() after encoding the image.
*/
int
EncodeServer::process (shared_ptr<Socket> socket, struct timeval& after_read, struct timeval& after_encode)
{
- uint32_t length = socket->read_uint32 ();
+ Socket::ReadDigestScope ds (socket);
+
+ auto length = socket->read_uint32 ();
scoped_array<char> buffer (new char[length]);
- socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
+ socket->read (reinterpret_cast<uint8_t*>(buffer.get()), length);
string s (buffer.get());
- shared_ptr<cxml::Document> xml (new cxml::Document ("EncodingRequest"));
+ auto xml = make_shared<cxml::Document>("EncodingRequest");
xml->read_string (s);
/* This is a double-check; the server shouldn't even be on the candidate list
if it is the wrong version, but it doesn't hurt to make sure here.
return -1;
}
- shared_ptr<PlayerVideo> pvf (new PlayerVideo (xml, socket));
+ auto pvf = make_shared<PlayerVideo>(xml, socket);
+
+ if (!ds.check()) {
+ throw NetworkError ("Checksums do not match");
+ }
DCPVideo dcp_video_frame (pvf, xml);
gettimeofday (&after_read, 0);
- Data encoded = dcp_video_frame.encode_locally ();
+ auto encoded = dcp_video_frame.encode_locally ();
gettimeofday (&after_encode, 0);
try {
+ Socket::WriteDigestScope ds (socket);
socket->write (encoded.size());
- socket->write (encoded.data().get(), encoded.size());
+ socket->write (encoded.data(), encoded.size());
} catch (std::exception& e) {
cerr << "Send failed; frame " << dcp_video_frame.index() << "\n";
LOG_ERROR ("Send failed; frame %1", dcp_video_frame.index());
return dcp_video_frame.index ();
}
+
void
EncodeServer::worker_thread ()
{
return;
}
- shared_ptr<Socket> socket = _queue.front ();
+ auto socket = _queue.front ();
_queue.pop_front ();
lock.unlock ();
struct timeval end;
gettimeofday (&end, 0);
- shared_ptr<EncodedLogEntry> e (
- new EncodedLogEntry (
- frame, ip,
- seconds(after_read) - seconds(start),
- seconds(after_encode) - seconds(after_read),
- seconds(end) - seconds(after_encode)
- )
+ auto e = make_shared<EncodedLogEntry>(
+ frame, ip,
+ seconds(after_read) - seconds(start),
+ seconds(after_encode) - seconds(after_read),
+ seconds(end) - seconds(after_encode)
);
if (_verbose) {
}
}
+
void
EncodeServer::run ()
{
}
for (int i = 0; i < _num_threads; ++i) {
- thread* t = new thread (bind (&EncodeServer::worker_thread, this));
#ifdef DCPOMATIC_LINUX
+ boost::thread* t = _worker_threads.create_thread (bind(&EncodeServer::worker_thread, this));
pthread_setname_np (t->native_handle(), "encode-server-worker");
+#else
+ _worker_threads.create_thread (bind(&EncodeServer::worker_thread, this));
#endif
- _worker_threads.push_back (t);
}
- _broadcast.thread = new thread (bind (&EncodeServer::broadcast_thread, this));
+ _broadcast.thread = thread (bind(&EncodeServer::broadcast_thread, this));
#ifdef DCPOMATIC_LINUX
- pthread_setname_np (_broadcast.thread->native_handle(), "encode-server-broadcast");
+ pthread_setname_np (_broadcast.thread.native_handle(), "encode-server-broadcast");
#endif
Server::run ();
}
+
void
EncodeServer::broadcast_thread ()
try
{
- boost::asio::ip::address address = boost::asio::ip::address_v4::any ();
+ auto address = boost::asio::ip::address_v4::any ();
boost::asio::ip::udp::endpoint listen_endpoint (address, HELLO_PORT);
_broadcast.socket = new boost::asio::ip::udp::socket (_broadcast.io_service);
store_current ();
}
+
void
EncodeServer::broadcast_received ()
{
if (strcmp (_broadcast.buffer, DCPOMATIC_HELLO) == 0) {
/* Reply to the client saying what we can do */
xmlpp::Document doc;
- xmlpp::Element* root = doc.create_root_node ("ServerAvailable");
+ auto root = doc.create_root_node ("ServerAvailable");
root->add_child("Threads")->add_child_text (raw_convert<string> (_worker_threads.size ()));
root->add_child("Version")->add_child_text (raw_convert<string> (SERVER_LINK_VERSION));
- string xml = doc.write_to_string ("UTF-8");
+ auto xml = doc.write_to_string ("UTF-8");
if (_verbose) {
cout << "Offering services to master " << _broadcast.send_endpoint.address().to_string () << "\n";
}
try {
- shared_ptr<Socket> socket (new Socket);
+ auto socket = make_shared<Socket>();
socket->connect (boost::asio::ip::tcp::endpoint (_broadcast.send_endpoint.address(), MAIN_SERVER_PRESENCE_PORT));
- socket->write (xml.length() + 1);
- socket->write ((uint8_t *) xml.c_str(), xml.length() + 1);
+ socket->write (xml.bytes() + 1);
+ socket->write ((uint8_t *) xml.c_str(), xml.bytes() + 1);
} catch (...) {
}
try {
- shared_ptr<Socket> socket (new Socket);
+ auto socket = make_shared<Socket>();
socket->connect (boost::asio::ip::tcp::endpoint (_broadcast.send_endpoint.address(), BATCH_SERVER_PRESENCE_PORT));
- socket->write (xml.length() + 1);
- socket->write ((uint8_t *) xml.c_str(), xml.length() + 1);
+ socket->write (xml.bytes() + 1);
+ socket->write ((uint8_t *) xml.c_str(), xml.bytes() + 1);
} catch (...) {
}
}
- _broadcast.socket->async_receive_from (
- boost::asio::buffer (_broadcast.buffer, sizeof (_broadcast.buffer)),
- _broadcast.send_endpoint, boost::bind (&EncodeServer::broadcast_received, this)
- );
+ boost::mutex::scoped_lock lm (_broadcast.mutex);
+ if (_broadcast.socket) {
+ _broadcast.socket->async_receive_from (
+ boost::asio::buffer (_broadcast.buffer, sizeof (_broadcast.buffer)),
+ _broadcast.send_endpoint, boost::bind (&EncodeServer::broadcast_received, this)
+ );
+ }
}
+
void
EncodeServer::handle (shared_ptr<Socket> socket)
{
boost::mutex::scoped_lock lock (_mutex);
+ _waker.nudge ();
+
/* Wait until the queue has gone down a bit */
while (_queue.size() >= _worker_threads.size() * 2 && !_terminate) {
_full_condition.wait (lock);