#include <iostream>
#include <boost/algorithm/string.hpp>
#include <boost/lexical_cast.hpp>
+#include <boost/scoped_array.hpp>
+#include <libcxml/cxml.h>
#include "server.h"
#include "util.h"
#include "scaler.h"
#include "image.h"
#include "dcp_video_frame.h"
#include "config.h"
-#include "subtitle.h"
+#include "cross.h"
+
+#include "i18n.h"
using std::string;
using std::stringstream;
using std::multimap;
using std::vector;
+using std::list;
+using std::cout;
+using std::cerr;
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 boost::optional;
+using boost::lexical_cast;
using libdcp::Size;
+ServerDescription::ServerDescription (shared_ptr<const cxml::Node> node)
+{
+ _host_name = node->string_child ("HostName");
+ _threads = node->number_child<int> ("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<string> (_threads));
+}
+
/** Create a server description from a string of metadata returned from as_metadata().
* @param v Metadata.
* @return ServerDescription, or 0.
*/
-ServerDescription *
+optional<ServerDescription>
ServerDescription::create_from_metadata (string v)
{
vector<string> b;
split (b, v, is_any_of (" "));
if (b.size() != 2) {
- return 0;
+ return optional<ServerDescription> ();
}
- return new ServerDescription (b[0], atoi (b[1].c_str ()));
-}
-
-/** @return Description of this server as text */
-string
-ServerDescription::as_metadata () const
-{
- stringstream s;
- s << _host_name << " " << _threads;
- return s.str ();
+ return ServerDescription (b[0], atoi (b[1].c_str ()));
}
-Server::Server (Log* log)
+Server::Server (shared_ptr<Log> log, bool verbose)
: _log (log)
+ , _verbose (verbose)
{
}
int
Server::process (shared_ptr<Socket> socket)
{
- char buffer[512];
- socket->read_indefinite ((uint8_t *) buffer, sizeof (buffer), 30);
- socket->consume (strlen (buffer) + 1);
+ uint32_t length = socket->read_uint32 ();
+ scoped_array<char> buffer (new char[length]);
+ socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
- stringstream s (buffer);
- multimap<string, string> kv = read_key_value (s);
-
- if (get_required_string (kv, "encode") != "please") {
+ stringstream s (buffer.get());
+ shared_ptr<cxml::Document> xml (new cxml::Document ("EncodingRequest"));
+ xml->read_stream (s);
+ if (xml->number_child<int> ("Version") != SERVER_LINK_VERSION) {
+ cerr << "Mismatched server/client versions\n";
+ _log->log ("Mismatched server/client versions");
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);
+ libdcp::Size size (
+ xml->number_child<int> ("Width"), xml->number_child<int> ("Height")
+ );
- 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));
- }
+ shared_ptr<Image> image (new Image (PIX_FMT_RGB24, size, true));
- 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
- );
+ image->read_from_socket (socket);
+ DCPVideoFrame dcp_video_frame (image, xml, _log);
shared_ptr<EncodedData> encoded = dcp_video_frame.encode_locally ();
try {
} 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()
+ dcp_video_frame.frame(), encoded->size(), image->pixel_format(), image->size().width, image->size().height, image->components()
)
);
throw;
}
- return frame;
+ return dcp_video_frame.frame ();
}
void
if (frame >= 0) {
struct timeval end;
gettimeofday (&end, 0);
- _log->log (String::compose ("Encoded frame %1 in %2", frame, seconds (end) - seconds (start)));
+
+ string const message = String::compose (
+ "Encoded frame %1 from %2 in %3s", frame, socket->socket().remote_endpoint().address().to_string(), seconds(end) - seconds(start)
+ );
+
+ if (_verbose) {
+ cout << message << "\n";
+ }
+
+ _log->log (message);
}
_worker_condition.notify_all ();
Server::run (int num_threads)
{
_log->log (String::compose ("Server starting with %1 threads", num_threads));
+ if (_verbose) {
+ cout << "DCP-o-matic server started with " << num_threads << " threads.\n";
+ }
for (int i = 0; i < num_threads; ++i) {
_worker_threads.push_back (new thread (bind (&Server::worker_thread, this)));
}
+ _broadcast.thread = new thread (bind (&Server::broadcast_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 ()));
+
+ boost::asio::ip::tcp::acceptor acceptor (
+ io_service,
+ boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), Config::instance()->server_port_base ())
+ );
+
while (1) {
shared_ptr<Socket> socket (new Socket);
acceptor.accept (socket->socket ());
_worker_condition.notify_all ();
}
}
+
+void
+Server::broadcast_thread ()
+{
+ boost::asio::io_service io_service;
+
+ 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 (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)
+ );
+
+ io_service.run ();
+}
+
+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 (lexical_cast<string> (_worker_threads.size ()));
+ stringstream xml;
+ doc.write_to_stream (xml, "UTF-8");
+
+ shared_ptr<Socket> socket (new 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 (...) {
+
+ }
+ }
+
+ _broadcast.socket->async_receive_from (
+ boost::asio::buffer (_broadcast.buffer, sizeof (_broadcast.buffer)),
+ _broadcast.send_endpoint, boost::bind (&Server::broadcast_received, this)
+ );
+}