#1 - quicr module

modules/io/include/bytebuffer/ByteBufferStreamReader.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "io/Read.hpp"
+#include "ByteBuffer.hpp"
+
+namespace tw::net {
+
+class ByteBufferStreamReader {
+public:
+    static size_t read(Read<std::byte>* from, RingByteBuffer* to) {
+        auto block = to->get_next_available_block();
+        auto r = from->read_into(block);
+        if(!r || *r == 0) {
+            return 0;
+        }
+
+        to->skip_write(*r);
+
+        if(*r == block.size()) {
+            auto next_block = to->get_next_available_block();
+            if(next_block.size() == 0) {
+                return *r;
+            }
+
+            auto r2 = from->read_into(next_block);
+            if(!r2 || *r2 == 0) {
+                return *r;
+            }
+
+            to->skip_write(*r2);
+            return *r + *r2;
+        }
+
+        return *r;
+    }
+};
+
+}