1 files changed, 242 insertions, 0 deletions
diff --git a/src/lib/scp_dcp_job.cc b/src/lib/scp_dcp_job.cc
new file mode 100644
index 000000000..94e403816
--- /dev/null
+++ b/src/lib/scp_dcp_job.cc
@@ -0,0 +1,242 @@
+/*
+    Copyright (C) 2012 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.
+
+*/
+
+/** @file src/scp_dcp_job.cc
+ *  @brief A job to copy DCPs to a SCP-enabled server.
+ */
+
+#include <iostream>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <boost/filesystem.hpp>
+#include <libssh/libssh.h>
+#include "scp_dcp_job.h"
+#include "exceptions.h"
+#include "config.h"
+#include "log.h"
+#include "film_state.h"
+
+using namespace std;
+using namespace boost;
+
+class SSHSession
+{
+public:
+	SSHSession ()
+		: _connected (false)
+	{
+		session = ssh_new ();
+		if (session == 0) {
+			throw NetworkError ("Could not start SSH session");
+		}
+	}
+
+	int connect ()
+	{
+		int r = ssh_connect (session);
+		if (r == 0) {
+			_connected = true;
+		}
+		return r;
+	}
+
+	~SSHSession ()
+	{
+		if (_connected) {
+			ssh_disconnect (session);
+		}
+		ssh_free (session);
+	}
+
+	ssh_session session;
+
+private:	
+	bool _connected;
+};
+
+class SSHSCP
+{
+public:
+	SSHSCP (ssh_session s)
+	{
+		scp = ssh_scp_new (s, SSH_SCP_WRITE | SSH_SCP_RECURSIVE, Config::instance()->tms_path().c_str ());
+		if (!scp) {
+			stringstream s;
+			s << "Could not start SCP session (" << ssh_get_error (s) << ")";
+			throw NetworkError (s.str ());
+		}
+	}
+
+	~SSHSCP ()
+	{
+		ssh_scp_free (scp);
+	}
+
+	ssh_scp scp;
+};
+
+
+SCPDCPJob::SCPDCPJob (shared_ptr<const FilmState> s, Log* l)
+	: Job (s, shared_ptr<const Options> (), l)
+	, _status ("Waiting")
+{
+
+}
+
+string
+SCPDCPJob::name () const
+{
+	stringstream s;
+	s << "Copy DCP to TMS";
+	return s.str ();
+}
+
+void
+SCPDCPJob::run ()
+{
+	try {
+		_log->log ("SCP DCP job starting");
+
+		SSHSession ss;
+
+		set_status ("Connecting");
+
+		ssh_options_set (ss.session, SSH_OPTIONS_HOST, Config::instance()->tms_ip().c_str ());
+		ssh_options_set (ss.session, SSH_OPTIONS_USER, Config::instance()->tms_user().c_str ());
+		int const port = 22;
+		ssh_options_set (ss.session, SSH_OPTIONS_PORT, &port);
+		
+		int r = ss.connect ();
+		if (r != SSH_OK) {
+			stringstream s;
+			s << "Could not connect to server " << Config::instance()->tms_ip() << " (" << ssh_get_error (ss.session) << ")";
+			throw NetworkError (s.str ());
+		}
+
+		int const state = ssh_is_server_known (ss.session);
+		if (state == SSH_SERVER_ERROR) {
+			stringstream s;
+			s << "SSH error (" << ssh_get_error (ss.session) << ")";
+			throw NetworkError (s.str ());
+		}
+
+		r = ssh_userauth_password (ss.session, 0, Config::instance()->tms_password().c_str ());
+		if (r != SSH_AUTH_SUCCESS) {
+			stringstream s;
+			s << "Failed to authenticate with server (" << ssh_get_error (ss.session) << ")";
+			throw NetworkError (s.str ());
+		}
+		
+		SSHSCP sc (ss.session);
+
+		r = ssh_scp_init (sc.scp);
+		if (r != SSH_OK) {
+			stringstream s;
+			s << "Could not start SCP session (" << ssh_get_error (ss.session) << ")";
+			throw NetworkError (s.str ());
+		}
+
+		r = ssh_scp_push_directory (sc.scp, _fs->name.c_str(), S_IRWXU);
+		if (r != SSH_OK) {
+			stringstream s;
+			s << "Could not create remote directory " << _fs->name << "(" << ssh_get_error (ss.session) << ")";
+			throw NetworkError (s.str ());
+		}
+
+		string const dcp_dir = _fs->dir (_fs->name);
+
+		int bytes_to_transfer = 0;
+		for (filesystem::directory_iterator i = filesystem::directory_iterator (dcp_dir); i != filesystem::directory_iterator(); ++i) {
+			bytes_to_transfer += filesystem::file_size (*i);
+		}
+		
+		int buffer_size = 64 * 1024;
+		char buffer[buffer_size];
+		int bytes_transferred = 0;
+		
+		for (filesystem::directory_iterator i = filesystem::directory_iterator (dcp_dir); i != filesystem::directory_iterator(); ++i) {
+
+			/* Aah, the sweet smell of progress */
+#if BOOST_FILESYSTEM_VERSION == 3		
+			string const leaf = filesystem::path(*i).leaf().generic_string ();
+#else
+			string const leaf = i->leaf ();
+#endif
+
+			set_status ("Copying " + leaf);
+
+			int to_do = filesystem::file_size (*i);
+			ssh_scp_push_file (sc.scp, leaf.c_str(), to_do, S_IRUSR | S_IWUSR);
+
+			int fd = open (filesystem::path (*i).string().c_str(), O_RDONLY);
+			if (fd == 0) {
+				stringstream s;
+				s << "Could not open " << *i << " to send";
+				throw NetworkError (s.str ());
+			}
+
+			while (to_do > 0) {
+				int const t = min (to_do, buffer_size);
+				read (fd, buffer, t);
+				r = ssh_scp_write (sc.scp, buffer, t);
+				if (r != SSH_OK) {
+					stringstream s;
+					s << "Could not write to remote file (" << ssh_get_error (ss.session) << ")";
+					throw NetworkError (s.str ());
+				}
+				to_do -= t;
+				bytes_transferred += t;
+
+				set_progress ((double) bytes_transferred / bytes_to_transfer);
+			}
+		}
+
+		set_progress (1);
+		set_status ("OK");
+		set_state (FINISHED_OK);
+
+	} catch (std::exception& e) {
+
+		stringstream s;
+		set_progress (1);
+		set_state (FINISHED_ERROR);
+		set_status (e.what ());
+
+		s << "SCP DCP job failed (" << e.what() << ")";
+		_log->log (s.str ());
+
+		throw;
+	}
+}
+
+string
+SCPDCPJob::status () const
+{
+	boost::mutex::scoped_lock lm (_status_mutex);
+	return _status;
+}
+
+void
+SCPDCPJob::set_status (string s)
+{
+	boost::mutex::scoped_lock lm (_status_mutex);
+	_status = s;
+}
+