Development notes

When making changes to the smf flatbuffers idl make the following updates if still relevant.

diff --git a/aiosmf/smf/rpc/compression_flags.py b/aiosmf/smf/rpc/compression_flags.py
index b8bbfb6..2234e32 100644
--- a/aiosmf/smf/rpc/compression_flags.py
+++ b/aiosmf/smf/rpc/compression_flags.py
@@ -17,4 +17,4 @@ class compression_flags(object):
     zstd = 2
 # /// \brief lz4 compression
     lz4 = 3
-
+    max = lz4

Convenience copies of the compression flags should also be updated in constants.py

diff --git a/aiosmf/connection.py b/aiosmf/connection.py
index 69ba45c..81dc102 100644
--- a/aiosmf/connection.py
+++ b/aiosmf/connection.py
@@ -148,7 +148,13 @@ class SMFConnection:
         header = aiosmf.smf.rpc.header.Createheader(builder, ctx.compression, 0,
                 ctx.session_id, len(ctx.payload), checksum, ctx.meta)
         builder.Finish(header)
-        return builder.Output()[4:]
+        # XXX: the flatbuffers python code doesn't offer a sizeof option for
+        # structs and the serialization also adds a size header into the buffer.
+        # so when integrating an update the codegen make sure that the header is
+        # stripped off and the size is correct.
+        buf = builder.Output()[4:]
+        assert len(buf) == 16
+        return buf