Diff: embeddedRTPS/src/entities/StatelessReader.cpp

Revision:

0:580aba13d1a1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/embeddedRTPS/src/entities/StatelessReader.cpp	Thu Dec 30 21:06:29 2021 +0900
@@ -0,0 +1,69 @@
+/*
+The MIT License
+Copyright (c) 2019 Lehrstuhl Informatik 11 - RWTH Aachen University
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE
+
+This file is part of embeddedRTPS.
+
+Author: i11 - Embedded Software, RWTH Aachen University
+*/
+
+#include "rtps/entities/StatelessReader.h"
+
+using rtps::StatelessReader;
+
+#define SLR_VERBOSE 0
+
+void StatelessReader::init(const TopicData &attributes) {
+  m_attributes = attributes;
+  m_is_initialized_ = true;
+}
+
+void StatelessReader::newChange(const ReaderCacheChange &cacheChange) {
+  if (m_callback != nullptr) {
+    m_callback(m_callee, cacheChange);
+  }
+}
+
+void StatelessReader::registerCallback(ddsReaderCallback_fp cb, void *callee) {
+  if (cb != nullptr) {
+    m_callback = cb;
+    m_callee = callee; // It's okay if this is null
+  } else {
+#if SLR_VERBOSE
+    printf("StatelessReader[%s]: Passed callback is nullptr\n",
+           &m_attributes.topicName[0]);
+#endif
+  }
+}
+
+bool StatelessReader::addNewMatchedWriter(const WriterProxy & /*newProxy*/) {
+  // Nothing to do
+  return true;
+}
+
+void StatelessReader::removeWriter(const Guid & /*guid*/) {
+  // Nothing to do
+}
+
+bool StatelessReader::onNewHeartbeat(const SubmessageHeartbeat &,
+                                     const GuidPrefix_t &) {
+  // nothing to do
+  return true;
+}
+
+#undef SLR_VERBOSE