Merge branch '2.0' of git.carlh.net:git/dcpomatic into 2.0
[dcpomatic.git] / src / lib / server.cc
index 66ee2b0e3cf2ca93eeb7512a03763c2598836dcc..50ac4e786b6258a16f366a77dbfb4eaff674c82e 100644 (file)
  *  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/scoped_array.hpp>
-#include <libcxml/cxml.h>
-#include <dcp/raw_convert.h>
 #include "server.h"
-#include "util.h"
-#include "scaler.h"
+#include "dcpomatic_socket.h"
 #include "image.h"
-#include "dcp_video_frame.h"
+#include "dcp_video.h"
 #include "config.h"
 #include "cross.h"
-#include "player_video_frame.h"
+#include "player_video.h"
+#include "encoded_data.h"
+#include "safe_stringstream.h"
+#include "raw_convert.h"
+#include <libcxml/cxml.h>
+#include <boost/algorithm/string.hpp>
+#include <boost/scoped_array.hpp>
+#include <string>
+#include <vector>
+#include <iostream>
 
 #include "i18n.h"
 
@@ -47,7 +47,6 @@
 #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;
@@ -63,7 +62,6 @@ using boost::bind;
 using boost::scoped_array;
 using boost::optional;
 using dcp::Size;
-using dcp::raw_convert;
 
 Server::Server (shared_ptr<Log> log, bool verbose)
        : _terminate (false)
@@ -79,7 +77,7 @@ Server::~Server ()
        {
                boost::mutex::scoped_lock lm (_worker_mutex);
                _terminate = true;
-               _worker_condition.notify_all ();
+               _empty_condition.notify_all ();
        }
 
        for (vector<boost::thread*>::iterator i = _worker_threads.begin(); i != _worker_threads.end(); ++i) {
@@ -103,22 +101,25 @@ Server::process (shared_ptr<Socket> socket, struct timeval& after_read, struct t
        scoped_array<char> buffer (new char[length]);
        socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
 
-       stringstream s (buffer.get());
+       string s (buffer.get());
        shared_ptr<cxml::Document> xml (new cxml::Document ("EncodingRequest"));
-       xml->read_stream (s);
+       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.
+       */
        if (xml->number_child<int> ("Version") != SERVER_LINK_VERSION) {
                cerr << "Mismatched server/client versions\n";
                LOG_ERROR_NC ("Mismatched server/client versions");
                return -1;
        }
 
-       shared_ptr<PlayerVideoFrame> pvf (new PlayerVideoFrame (xml, socket, _log));
+       shared_ptr<PlayerVideo> pvf (new PlayerVideo (xml, socket));
 
-       DCPVideoFrame dcp_video_frame (pvf, xml, _log);
+       DCPVideo dcp_video_frame (pvf, xml, _log);
 
        gettimeofday (&after_read, 0);
        
-       shared_ptr<EncodedData> encoded = dcp_video_frame.encode_locally ();
+       shared_ptr<EncodedData> encoded = dcp_video_frame.encode_locally (boost::bind (&Log::dcp_log, _log.get(), _1, _2));
 
        gettimeofday (&after_encode, 0);
        
@@ -136,10 +137,10 @@ Server::process (shared_ptr<Socket> socket, struct timeval& after_read, struct t
 void
 Server::worker_thread ()
 {
-       while (1) {
+       while (true) {
                boost::mutex::scoped_lock lock (_worker_mutex);
                while (_queue.empty () && !_terminate) {
-                       _worker_condition.wait (lock);
+                       _empty_condition.wait (lock);
                }
 
                if (_terminate) {
@@ -179,7 +180,7 @@ Server::worker_thread ()
                        struct timeval end;
                        gettimeofday (&end, 0);
 
-                       stringstream message;
+                       SafeStringStream message;
                        message.precision (2);
                        message << fixed
                                << "Encoded frame " << frame << " from " << ip << ": "
@@ -194,7 +195,7 @@ Server::worker_thread ()
                        LOG_GENERAL_NC (message.str ());
                }
                
-               _worker_condition.notify_all ();
+               _full_condition.notify_all ();
        }
 }
 
@@ -250,14 +251,17 @@ Server::broadcast_received ()
                xmlpp::Document doc;
                xmlpp::Element* root = doc.create_root_node ("ServerAvailable");
                root->add_child("Threads")->add_child_text (raw_convert<string> (_worker_threads.size ()));
-               stringstream xml;
-               doc.write_to_stream (xml, "UTF-8");
+               root->add_child("Version")->add_child_text (raw_convert<string> (SERVER_LINK_VERSION));
+               string xml = doc.write_to_string ("UTF-8");
 
+               if (_verbose) {
+                       cout << "Offering services to master " << _broadcast.send_endpoint.address().to_string () << "\n";
+               }
                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);
+                       socket->write (xml.length() + 1);
+                       socket->write ((uint8_t *) xml.c_str(), xml.length() + 1);
                } catch (...) {
 
                }
@@ -291,11 +295,11 @@ Server::handle_accept (shared_ptr<Socket> socket, boost::system::error_code cons
        
        /* Wait until the queue has gone down a bit */
        while (_queue.size() >= _worker_threads.size() * 2 && !_terminate) {
-               _worker_condition.wait (lock);
+               _full_condition.wait (lock);
        }
        
        _queue.push_back (socket);
-       _worker_condition.notify_all ();
+       _empty_condition.notify_all ();
 
        start_accept ();
 }