[Streaming] Streaming data transfer and python integration (#6185)

streaming/src/queue/queue_client.cc

@@ -0,0 +1,25 @@
+#include "queue_client.h"
+
+namespace ray {
+namespace streaming {
+
+void WriterClient::OnWriterMessage(std::shared_ptr<LocalMemoryBuffer> buffer) {
+  upstream_handler_->DispatchMessageAsync(buffer);
+}
+
+std::shared_ptr<LocalMemoryBuffer> WriterClient::OnWriterMessageSync(
+    std::shared_ptr<LocalMemoryBuffer> buffer) {
+  return upstream_handler_->DispatchMessageSync(buffer);
+}
+
+void ReaderClient::OnReaderMessage(std::shared_ptr<LocalMemoryBuffer> buffer) {
+  downstream_handler_->DispatchMessageAsync(buffer);
+}
+
+std::shared_ptr<LocalMemoryBuffer> ReaderClient::OnReaderMessageSync(
+    std::shared_ptr<LocalMemoryBuffer> buffer) {
+  return downstream_handler_->DispatchMessageSync(buffer);
+}
+
+}  // namespace streaming
+}  // namespace ray