Modifications in preparation to MAX IV experiment

frame_serialize/ZMQStream2PreviewPublisher.cpp

@@ -0,0 +1,33 @@
+// Copyright (2019-2024) Paul Scherrer Institute
+
+#include "ZMQStream2PreviewPublisher.h"
+
+#include "CBORStream2Serializer.h"
+
+ZMQStream2PreviewPublisher::ZMQStream2PreviewPublisher(ZMQContext& context, const std::string& addr) :
+        socket(context, ZMQSocketType::Pub) {
+    socket.Conflate(true).NoLinger();
+    socket.Bind(addr);
+}
+
+void ZMQStream2PreviewPublisher::StartDataCollection(const StartMessage& message) {
+    // Start message is not transmitted here
+}
+
+bool ZMQStream2PreviewPublisher::SendImage(const DataMessage& message) {
+    size_t approx_size = message.image.size + 2*1024*1024;
+    std::vector<uint8_t> serialization_buffer(approx_size);
+
+    CBORStream2Serializer serializer(serialization_buffer.data(), serialization_buffer.size());
+    serializer.SerializeImage(message);
+
+    return socket.Send(serialization_buffer.data(), serializer.GetBufferSize(), false);
+}
+
+bool ZMQStream2PreviewPublisher::EndDataCollection(const EndMessage &message) {
+    return true; // End message is not transmitted here
+}
+
+std::string ZMQStream2PreviewPublisher::GetAddress() {
+    return socket.GetEndpointName();
+}