Missing files.

[dcpomatic.git] / src / lib / json_server.cc

diff --git a/src/lib/json_server.cc b/src/lib/json_server.cc
new file mode 100644 (file)
index 0000000..1035c24
--- /dev/null
+++ b/src/lib/json_server.cc
@@ -0,0 +1,197 @@
+/*
+    Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
+
+    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
+    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,
+    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.
+
+*/
+
+#include <boost/asio.hpp>
+#include <boost/bind.hpp>
+#include <boost/thread.hpp>
+#include "json_server.h"
+#include "job_manager.h"
+#include "job.h"
+#include "util.h"
+#include "film.h"
+#include "transcode_job.h"
+
+using std::string;
+using std::stringstream;
+using std::cout;
+using std::map;
+using std::list;
+using boost::thread;
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using boost::asio::ip::tcp;
+
+#define MAX_LENGTH 512
+
+enum State {
+       AWAITING_G,
+       AWAITING_E,
+       AWAITING_T,
+       AWAITING_SPACE,
+       READING_URL,
+};
+
+JSONServer::JSONServer (int port)
+{
+       new thread (boost::bind (&JSONServer::run, this, port));
+}
+
+void
+JSONServer::run (int port)
+try
+{
+       boost::asio::io_service io_service;
+       tcp::acceptor a (io_service, tcp::endpoint (tcp::v4 (), port));
+       while (true) {
+               try {
+                       shared_ptr<tcp::socket> s (new tcp::socket (io_service));
+                       a.accept (*s);
+                       handle (s);
+               }
+               catch (...) {
+
+               }
+       }
+}
+catch (...)
+{
+
+}
+
+void
+JSONServer::handle (shared_ptr<tcp::socket> socket)
+{
+       string url;
+       State state = AWAITING_G;
+
+       while (true) {
+               char data[MAX_LENGTH];
+               boost::system::error_code error;
+               size_t len = socket->read_some (boost::asio::buffer (data), error);
+               if (error) {
+                       cout << "error.\n";
+                       break;
+               }
+
+               char* p = data;
+               char* e = data + len;
+               while (p != e) {
+
+                       State old_state = state;
+                       switch (state) {
+                       case AWAITING_G:
+                               if (*p == 'G') {
+                                       state = AWAITING_E;
+                               }
+                               break;
+                       case AWAITING_E:
+                               if (*p == 'E') {
+                                       state = AWAITING_T;
+                               }
+                               break;
+                       case AWAITING_T:
+                               if (*p == 'T') {
+                                       state = AWAITING_SPACE;
+                               }
+                               break;
+                       case AWAITING_SPACE:
+                               if (*p == ' ') {
+                                       state = READING_URL;
+                               }
+                               break;
+                       case READING_URL:
+                               if (*p == ' ') {
+                                       request (url, socket);
+                                       state = AWAITING_G;
+                                       url = "";
+                               } else {
+                                       url += *p;
+                               }
+                               break;
+                       }
+
+                       if (state == old_state && state != READING_URL) {
+                               state = AWAITING_G;
+                       }
+
+                       ++p;
+               }
+       }
+}
+
+void
+JSONServer::request (string url, shared_ptr<tcp::socket> socket)
+{
+       cout << "request: " << url << "\n";
+       
+       map<string, string> r = split_get_request (url);
+       for (map<string, string>::iterator i = r.begin(); i != r.end(); ++i) {
+               cout << i->first << " => " << i->second << "\n";
+       }
+       
+       string action;
+       if (r.find ("action") != r.end ()) {
+               action = r["action"];
+       }
+       
+       stringstream json;
+       if (action == "status") {
+               
+               list<shared_ptr<Job> > jobs = JobManager::instance()->get ();
+               
+               json << "{ \"jobs\": [";
+               for (list<shared_ptr<Job> >::iterator i = jobs.begin(); i != jobs.end(); ++i) {
+
+                       json << "{ ";
+
+                       if ((*i)->film()) {
+                               json << "\"dcp\": \"" << (*i)->film()->dcp_name() << "\", ";
+                       }
+                       
+                       json << "\"name\": \""   << (*i)->json_name() << "\", ";
+                       if ((*i)->progress ()) {
+                               json << "\"progress\": " << (*i)->progress().get() << ", ";
+                       } else {
+                               json << "\"progress\": unknown, ";
+                       }
+                       json << "\"status\": \"" << (*i)->json_status() << "\"";
+                       json << " }";
+                       
+                       list<shared_ptr<Job> >::iterator j = i;
+                       ++j;
+                       if (j != jobs.end ()) {
+                               json << ", ";
+                       }
+               }
+               json << "] }";
+               
+               if (json.str().empty ()) {
+                       json << "{ }";
+               }
+       }
+       
+       stringstream reply;
+       reply << "HTTP/1.1 200 OK\r\n"
+             << "Content-Length: " << json.str().length() << "\r\n"
+             << "Content-Type: application/json\r\n"
+                             << "\r\n"
+             << json.str () << "\r\n";
+       cout << "reply: " << json.str() << "\n";
+       boost::asio::write (*socket, boost::asio::buffer (reply.str().c_str(), reply.str().length()));
+}