/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-/** @file src/server.cc
- * @brief Class to describe a server to which we can send
- * encoding work, and a class to implement such a server.
- */
-
-#include <string>
-#include <vector>
-#include <sstream>
-#include <iostream>
-#include <boost/algorithm/string.hpp>
-#include <boost/lexical_cast.hpp>
#include "server.h"
-#include "util.h"
-#include "scaler.h"
-#include "image.h"
-#include "dcp_video_frame.h"
-#include "config.h"
-#include "subtitle.h"
-
-using std::string;
-using std::stringstream;
-using std::multimap;
-using std::vector;
-using boost::shared_ptr;
-using boost::algorithm::is_any_of;
-using boost::algorithm::split;
-using boost::thread;
-using boost::bind;
-
-/** Create a server description from a string of metadata returned from as_metadata().
- * @param v Metadata.
- * @return ServerDescription, or 0.
- */
-ServerDescription *
-ServerDescription::create_from_metadata (string v)
-{
- vector<string> b;
- split (b, v, is_any_of (" "));
+#include "dcpomatic_socket.h"
- if (b.size() != 2) {
- return 0;
- }
+#include "i18n.h"
- return new ServerDescription (b[0], atoi (b[1].c_str ()));
-}
+using boost::shared_ptr;
-/** @return Description of this server as text */
-string
-ServerDescription::as_metadata () const
+Server::Server (int port)
+ : _terminate (false)
+ , _acceptor (_io_service, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port))
{
- stringstream s;
- s << _host_name << " " << _threads;
- return s.str ();
+
}
-Server::Server (Log* log)
- : _log (log)
+Server::~Server ()
{
-
+ boost::mutex::scoped_lock lm (_mutex);
+ _terminate = true;
+ _io_service.stop ();
}
-int
-Server::process (shared_ptr<Socket> socket)
+void
+Server::run ()
{
- char buffer[512];
- socket->read_indefinite ((uint8_t *) buffer, sizeof (buffer), 30);
- socket->consume (strlen (buffer) + 1);
-
- stringstream s (buffer);
- multimap<string, string> kv = read_key_value (s);
-
- if (get_required_string (kv, "encode") != "please") {
- return -1;
- }
-
- libdcp::Size in_size (get_required_int (kv, "input_width"), get_required_int (kv, "input_height"));
- int pixel_format_int = get_required_int (kv, "input_pixel_format");
- libdcp::Size out_size (get_required_int (kv, "output_width"), get_required_int (kv, "output_height"));
- int padding = get_required_int (kv, "padding");
- int subtitle_offset = get_required_int (kv, "subtitle_offset");
- float subtitle_scale = get_required_float (kv, "subtitle_scale");
- string scaler_id = get_required_string (kv, "scaler");
- int frame = get_required_int (kv, "frame");
- int frames_per_second = get_required_int (kv, "frames_per_second");
- string post_process = get_optional_string (kv, "post_process");
- int colour_lut_index = get_required_int (kv, "colour_lut");
- int j2k_bandwidth = get_required_int (kv, "j2k_bandwidth");
- Position subtitle_position (get_optional_int (kv, "subtitle_x"), get_optional_int (kv, "subtitle_y"));
- libdcp::Size subtitle_size (get_optional_int (kv, "subtitle_width"), get_optional_int (kv, "subtitle_height"));
-
- /* This checks that colour_lut_index is within range */
- colour_lut_index_to_name (colour_lut_index);
-
- PixelFormat pixel_format = (PixelFormat) pixel_format_int;
- Scaler const * scaler = Scaler::from_id (scaler_id);
-
- shared_ptr<Image> image (new SimpleImage (pixel_format, in_size, true));
-
- image->read_from_socket (socket);
-
- shared_ptr<Subtitle> sub;
- if (subtitle_size.width && subtitle_size.height) {
- shared_ptr<Image> subtitle_image (new SimpleImage (PIX_FMT_RGBA, subtitle_size, true));
- subtitle_image->read_from_socket (socket);
- sub.reset (new Subtitle (subtitle_position, subtitle_image));
- }
-
- DCPVideoFrame dcp_video_frame (
- image, sub, out_size, padding, subtitle_offset, subtitle_scale,
- scaler, frame, frames_per_second, post_process, colour_lut_index, j2k_bandwidth, _log
- );
-
- shared_ptr<EncodedData> encoded = dcp_video_frame.encode_locally ();
- try {
- encoded->send (socket);
- } catch (std::exception& e) {
- _log->log (String::compose (
- "Send failed; frame %1, data size %2, pixel format %3, image size %4x%5, %6 components",
- frame, encoded->size(), image->pixel_format(), image->size().width, image->size().height, image->components()
- )
- );
- throw;
- }
-
- return frame;
+ start_accept ();
+ _io_service.run ();
}
void
-Server::worker_thread ()
+Server::start_accept ()
{
- while (1) {
- boost::mutex::scoped_lock lock (_worker_mutex);
- while (_queue.empty ()) {
- _worker_condition.wait (lock);
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_terminate) {
+ return;
}
-
- shared_ptr<Socket> socket = _queue.front ();
- _queue.pop_front ();
-
- lock.unlock ();
-
- int frame = -1;
-
- struct timeval start;
- gettimeofday (&start, 0);
-
- try {
- frame = process (socket);
- } catch (std::exception& e) {
- _log->log (String::compose ("Error: %1", e.what()));
- }
-
- socket.reset ();
-
- lock.lock ();
-
- if (frame >= 0) {
- struct timeval end;
- gettimeofday (&end, 0);
- _log->log (String::compose ("Encoded frame %1 in %2", frame, seconds (end) - seconds (start)));
- }
-
- _worker_condition.notify_all ();
}
+
+ shared_ptr<Socket> socket (new Socket);
+ _acceptor.async_accept (socket->socket (), boost::bind (&Server::handle_accept, this, socket, boost::asio::placeholders::error));
}
void
-Server::run (int num_threads)
+Server::handle_accept (shared_ptr<Socket> socket, boost::system::error_code const & error)
{
- _log->log (String::compose ("Server starting with %1 threads", num_threads));
-
- for (int i = 0; i < num_threads; ++i) {
- _worker_threads.push_back (new thread (bind (&Server::worker_thread, this)));
+ if (error) {
+ return;
}
- boost::asio::io_service io_service;
- boost::asio::ip::tcp::acceptor acceptor (io_service, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), Config::instance()->server_port ()));
- while (1) {
- shared_ptr<Socket> socket (new Socket);
- acceptor.accept (socket->socket ());
-
- boost::mutex::scoped_lock lock (_worker_mutex);
-
- /* Wait until the queue has gone down a bit */
- while (int (_queue.size()) >= num_threads * 2) {
- _worker_condition.wait (lock);
- }
-
- _queue.push_back (socket);
- _worker_condition.notify_all ();
- }
+ handle (socket);
+ start_accept ();
}
projects / dcpomatic.git / blobdiff