Diff: embeddedRTPS/include/rtps/entities/WriterProxy.h

Revision:

0:580aba13d1a1

diff -r 000000000000 -r 580aba13d1a1 embeddedRTPS/include/rtps/entities/WriterProxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/embeddedRTPS/include/rtps/entities/WriterProxy.h	Thu Dec 30 21:06:29 2021 +0900
@@ -0,0 +1,71 @@
+/*
+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
+*/
+
+#ifndef RTPS_WRITERPROXY_H
+#define RTPS_WRITERPROXY_H
+
+#include "rtps/common/Locator.h"
+#include "rtps/common/types.h"
+
+namespace rtps {
+struct WriterProxy {
+  Guid remoteWriterGuid;
+  SequenceNumber_t expectedSN;
+  Count_t ackNackCount;
+  Count_t hbCount;
+  Locator remoteLocator;
+
+  WriterProxy() = default;
+
+  WriterProxy(const Guid &guid, const Locator &loc)
+      : remoteWriterGuid(guid),
+        expectedSN(SequenceNumber_t{0, 1}), ackNackCount{1}, hbCount{0},
+        remoteLocator(loc) {}
+
+  // For now, we don't store any packets, so we just request all starting from
+  // the next expected
+  SequenceNumberSet getMissing(const SequenceNumber_t & /*firstAvail*/,
+                               const SequenceNumber_t &lastAvail) {
+    SequenceNumberSet set;
+    if (lastAvail < expectedSN) {
+      set.base = expectedSN;
+      set.numBits = 0;
+    } else {
+      set.numBits = 1;
+      set.base = expectedSN;
+      set.bitMap[0] = uint32_t{1} << 31;
+    }
+
+    return set;
+  }
+
+  Count_t getNextAckNackCount() {
+    const Count_t tmp = ackNackCount;
+    ++ackNackCount.value;
+    return tmp;
+  }
+};
+} // namespace rtps
+
+#endif // RTPS_WRITERPROXY_H