X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fserver.cc;h=5598ef69f8388aae66098669ad9361e369691ab9;hb=a6c2aa6cad5872d27654553d447cb34185317974;hp=b38e82a07628bedb32852fd3d9c944dd504aa720;hpb=ad6c0bbec4f354f29fb968099ff1a0ce2e57c43a;p=dcpomatic.git diff --git a/src/lib/server.cc b/src/lib/server.cc index b38e82a07..5598ef69f 100644 --- a/src/lib/server.cc +++ b/src/lib/server.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -27,119 +27,124 @@ #include #include #include -#include #include #include +#include #include "server.h" #include "util.h" #include "scaler.h" #include "image.h" -#include "dcp_video_frame.h" +#include "dcp_video.h" #include "config.h" +#include "cross.h" +#include "player_video.h" +#include "encoded_data.h" #include "i18n.h" +#define LOG_GENERAL(...) _log->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL); +#define LOG_GENERAL_NC(...) _log->log (__VA_ARGS__, Log::TYPE_GENERAL); +#define LOG_ERROR(...) _log->log (String::compose (__VA_ARGS__), Log::TYPE_ERROR); +#define LOG_ERROR_NC(...) _log->log (__VA_ARGS__, Log::TYPE_ERROR); + using std::string; using std::stringstream; using std::multimap; using std::vector; +using std::list; +using std::cout; +using std::cerr; +using std::setprecision; +using std::fixed; using boost::shared_ptr; using boost::algorithm::is_any_of; using boost::algorithm::split; using boost::thread; using boost::bind; using boost::scoped_array; -using libdcp::Size; +using boost::optional; +using dcp::Size; +using dcp::raw_convert; -ServerDescription::ServerDescription (shared_ptr node) +Server::Server (shared_ptr log, bool verbose) + : _terminate (false) + , _log (log) + , _verbose (verbose) + , _acceptor (_io_service, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), Config::instance()->server_port_base())) { - _host_name = node->string_child ("HostName"); - _threads = node->number_child ("Threads"); -} -void -ServerDescription::as_xml (xmlpp::Node* root) const -{ - root->add_child("HostName")->add_child_text (_host_name); - root->add_child("Threads")->add_child_text (boost::lexical_cast (_threads)); } -/** 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) +Server::~Server () { - vector b; - split (b, v, is_any_of (N_(" "))); - - if (b.size() != 2) { - return 0; + { + boost::mutex::scoped_lock lm (_worker_mutex); + _terminate = true; + _empty_condition.notify_all (); } - return new ServerDescription (b[0], atoi (b[1].c_str ())); -} + for (vector::iterator i = _worker_threads.begin(); i != _worker_threads.end(); ++i) { + (*i)->join (); + delete *i; + } -Server::Server (shared_ptr log) - : _log (log) -{ + _io_service.stop (); + _broadcast.io_service.stop (); + _broadcast.thread->join (); } +/** @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 -Server::process (shared_ptr socket) +Server::process (shared_ptr socket, struct timeval& after_read, struct timeval& after_encode) { uint32_t length = socket->read_uint32 (); scoped_array buffer (new char[length]); socket->read (reinterpret_cast (buffer.get()), length); - - stringstream s (buffer.get()); - multimap kv = read_key_value (s); - if (get_required_string (kv, "encode") != "please") { + stringstream s (buffer.get()); + shared_ptr xml (new cxml::Document ("EncodingRequest")); + xml->read_stream (s); + if (xml->number_child ("Version") != SERVER_LINK_VERSION) { + cerr << "Mismatched server/client versions\n"; + LOG_ERROR_NC ("Mismatched server/client versions"); return -1; } - libdcp::Size size (get_required_int (kv, "width"), get_required_int (kv, "height")); - int frame = get_required_int (kv, "frame"); - int frames_per_second = get_required_int (kv, "frames_per_second"); - int colour_lut_index = get_required_int (kv, "colour_lut"); - int j2k_bandwidth = get_required_int (kv, "j2k_bandwidth"); + shared_ptr pvf (new PlayerVideo (xml, socket, _log)); - /* This checks that colour_lut_index is within range */ - colour_lut_index_to_name (colour_lut_index); + DCPVideo dcp_video_frame (pvf, xml, _log); - shared_ptr image (new Image (PIX_FMT_RGB24, size, true)); - - image->read_from_socket (socket); - - DCPVideoFrame dcp_video_frame ( - image, frame, frames_per_second, colour_lut_index, j2k_bandwidth, _log - ); + gettimeofday (&after_read, 0); shared_ptr encoded = dcp_video_frame.encode_locally (); + + gettimeofday (&after_encode, 0); + try { encoded->send (socket); } catch (std::exception& e) { - _log->log (String::compose ( - N_("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() - ) - ); + cerr << "Send failed; frame " << dcp_video_frame.index() << "\n"; + LOG_ERROR ("Send failed; frame %1", dcp_video_frame.index()); throw; } - return frame; + return dcp_video_frame.index (); } void Server::worker_thread () { - while (1) { + while (true) { boost::mutex::scoped_lock lock (_worker_mutex); - while (_queue.empty ()) { - _worker_condition.wait (lock); + while (_queue.empty () && !_terminate) { + _empty_condition.wait (lock); + } + + if (_terminate) { + return; } shared_ptr socket = _queue.front (); @@ -148,16 +153,25 @@ Server::worker_thread () lock.unlock (); int frame = -1; + string ip; struct timeval start; + struct timeval after_read; + struct timeval after_encode; + struct timeval end; + gettimeofday (&start, 0); try { - frame = process (socket); + frame = process (socket, after_read, after_encode); + ip = socket->socket().remote_endpoint().address().to_string(); } catch (std::exception& e) { - _log->log (String::compose (N_("Error: %1"), e.what())); + cerr << "Error: " << e.what() << "\n"; + LOG_ERROR ("Error: %1", e.what()); } - + + gettimeofday (&end, 0); + socket.reset (); lock.lock (); @@ -165,36 +179,125 @@ Server::worker_thread () if (frame >= 0) { struct timeval end; gettimeofday (&end, 0); - _log->log (String::compose (N_("Encoded frame %1 in %2"), frame, seconds (end) - seconds (start))); + + stringstream message; + message.precision (2); + message << fixed + << "Encoded frame " << frame << " from " << ip << ": " + << "receive " << (seconds(after_read) - seconds(start)) << "s " + << "encode " << (seconds(after_encode) - seconds(after_read)) << "s " + << "send " << (seconds(end) - seconds(after_encode)) << "s."; + + if (_verbose) { + cout << message.str() << "\n"; + } + + LOG_GENERAL_NC (message.str ()); } - _worker_condition.notify_all (); + _full_condition.notify_all (); } } void Server::run (int num_threads) { - _log->log (String::compose (N_("Server starting with %1 threads"), num_threads)); + LOG_GENERAL ("Server starting with %1 threads", num_threads); + if (_verbose) { + cout << "DCP-o-matic server starting with " << num_threads << " threads.\n"; + } for (int i = 0; i < num_threads; ++i) { _worker_threads.push_back (new thread (bind (&Server::worker_thread, this))); } - 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) { + _broadcast.thread = new thread (bind (&Server::broadcast_thread, this)); + + start_accept (); + _io_service.run (); +} + +void +Server::broadcast_thread () +try +{ + boost::asio::ip::address address = boost::asio::ip::address_v4::any (); + boost::asio::ip::udp::endpoint listen_endpoint (address, Config::instance()->server_port_base() + 1); + + _broadcast.socket = new boost::asio::ip::udp::socket (_broadcast.io_service); + _broadcast.socket->open (listen_endpoint.protocol ()); + _broadcast.socket->bind (listen_endpoint); + + _broadcast.socket->async_receive_from ( + boost::asio::buffer (_broadcast.buffer, sizeof (_broadcast.buffer)), + _broadcast.send_endpoint, + boost::bind (&Server::broadcast_received, this) + ); + + _broadcast.io_service.run (); +} +catch (...) +{ + store_current (); +} + +void +Server::broadcast_received () +{ + _broadcast.buffer[sizeof(_broadcast.buffer) - 1] = '\0'; + + 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"); + root->add_child("Threads")->add_child_text (raw_convert (_worker_threads.size ())); + stringstream xml; + doc.write_to_stream (xml, "UTF-8"); + shared_ptr socket (new Socket); - acceptor.accept (socket->socket ()); + try { + socket->connect (boost::asio::ip::tcp::endpoint (_broadcast.send_endpoint.address(), Config::instance()->server_port_base() + 1)); + socket->write (xml.str().length() + 1); + socket->write ((uint8_t *) xml.str().c_str(), xml.str().length() + 1); + } catch (...) { - 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 (); + _broadcast.socket->async_receive_from ( + boost::asio::buffer (_broadcast.buffer, sizeof (_broadcast.buffer)), + _broadcast.send_endpoint, boost::bind (&Server::broadcast_received, this) + ); +} + +void +Server::start_accept () +{ + if (_terminate) { + return; + } + + shared_ptr socket (new Socket); + _acceptor.async_accept (socket->socket (), boost::bind (&Server::handle_accept, this, socket, boost::asio::placeholders::error)); +} + +void +Server::handle_accept (shared_ptr socket, boost::system::error_code const & error) +{ + if (error) { + return; + } + + boost::mutex::scoped_lock lock (_worker_mutex); + + /* Wait until the queue has gone down a bit */ + while (_queue.size() >= _worker_threads.size() * 2 && !_terminate) { + _full_condition.wait (lock); } + + _queue.push_back (socket); + _empty_condition.notify_all (); + + start_accept (); } +