face: Implement WebSocket channel, face, and factory.
Change-Id: Ic4dbb1abdbbdbec028746ba14b11be8ab9cc1edb
Refs: #1468
diff --git a/daemon/face/websocket-face.cpp b/daemon/face/websocket-face.cpp
new file mode 100644
index 0000000..4712cfc
--- /dev/null
+++ b/daemon/face/websocket-face.cpp
@@ -0,0 +1,97 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014 Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD 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 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#include "websocket-face.hpp"
+
+namespace nfd {
+
+NFD_LOG_INIT("WebSocketFace");
+
+WebSocketFace::WebSocketFace(const FaceUri& remoteUri, const FaceUri& localUri,
+ websocketpp::connection_hdl hdl,
+ websocket::Server& server)
+ : Face(remoteUri, localUri)
+ , m_handle(hdl)
+ , m_server(server)
+ , m_closed(false)
+{
+}
+
+
+void
+WebSocketFace::sendInterest(const Interest& interest)
+{
+ this->onSendInterest(interest);
+ const Block& payload = interest.wireEncode();
+ m_server.send(m_handle, payload.wire(), payload.size(), websocketpp::frame::opcode::binary);
+}
+
+void
+WebSocketFace::sendData(const Data& data)
+{
+ this->onSendData(data);
+ const Block& payload = data.wireEncode();
+ m_server.send(m_handle, payload.wire(), payload.size(), websocketpp::frame::opcode::binary);
+}
+
+void
+WebSocketFace::close()
+{
+ if (m_closed == false)
+ {
+ m_closed = true;
+ websocketpp::lib::error_code ecode;
+ m_server.close(m_handle, websocketpp::close::status::normal, "closed by nfd", ecode);
+ }
+}
+
+void
+WebSocketFace::handleReceive(const std::string& msg)
+{
+ // Copy message into Face internal buffer
+ BOOST_ASSERT(msg.size() <= MAX_NDN_PACKET_SIZE);
+
+ // Try to parse message data
+ bool isOk = true;
+ Block element;
+ isOk = Block::fromBuffer(reinterpret_cast<const uint8_t*>(msg.c_str()), msg.size(), element);
+ if (!isOk)
+ {
+ NFD_LOG_TRACE("[id:" << this->getId()
+ << "] Received invalid NDN packet of length ["
+ << msg.size() << "]");
+ return;
+ }
+
+ if (!this->decodeAndDispatchInput(element))
+ {
+ NFD_LOG_WARN("[id:" << this->getId()
+ << "] Received unrecognized block of type ["
+ << element.type() << "]");
+ // ignore unknown packet and proceed
+ }
+}
+
+} // namespace nfd