gras: added serialization support for gras types

sbuffer, streamtag, and packetmsg get registered
into the polymorphic archive w/ unit tests

resolves #65

2 files changed, 75 insertions, 0 deletions

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index ba7e76e..7f33397 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -64,6 +64,7 @@ list(APPEND GRAS_SOURCES
     ${CMAKE_CURRENT_SOURCE_DIR}/register_messages.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/theron_allocator.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/weak_container.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/serialize_meta.cpp
 )
 
 ########################################################################
diff --git a/lib/serialize_meta.cpp b/lib/serialize_meta.cpp
new file mode 100644
index 0000000..33db43c
--- /dev/null
+++ b/lib/serialize_meta.cpp
@@ -0,0 +1,74 @@
+// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
+
+#include <gras/sbuffer.hpp>
+#include <gras/tags.hpp>
+#include <PMC/Serialize.hpp>
+#include <boost/serialization/split_free.hpp>
+#include <boost/serialization/string.hpp>
+
+/***********************************************************************
+ * support for sbuffer
+ **********************************************************************/
+namespace boost { namespace serialization {
+template<class Archive>
+void save(Archive & ar, const gras::SBuffer & b, unsigned int version)
+{
+    bool null = not b;
+    ar & null;
+    if (null) return;
+
+    //TODO lazyness string
+    std::string s((const char *)b.get(), b.length);
+    ar & s;
+}
+template<class Archive>
+void load(Archive & ar, gras::SBuffer & b, unsigned int version)
+{
+    bool null = false;
+    ar & null;
+    if (null) b.reset();
+    if (null) return;
+
+    //TODO lazyness string
+    std::string s;
+    ar & s;
+    gras::SBufferConfig config;
+    config.length = s.length();
+    b = gras::SBuffer(config);
+    b.length = s.length();
+    std::memcpy(b.get(), s.c_str(), b.length);
+}
+}}
+
+BOOST_SERIALIZATION_SPLIT_FREE(gras::SBuffer)
+PMC_SERIALIZE_EXPORT(gras::SBuffer, "PMC<gras::SBuffer>")
+
+
+/***********************************************************************
+ * support for special packet msg type
+ **********************************************************************/
+namespace boost { namespace serialization {
+template <class Archive>
+void serialize(Archive &ar, gras::PacketMsg &t, const unsigned int)
+{
+    ar & t.info;
+    ar & t.buff;
+}
+}}
+
+PMC_SERIALIZE_EXPORT(gras::PacketMsg, "PMC<gras::PacketMsg>")
+
+/***********************************************************************
+ * support for special stream tag type
+ **********************************************************************/
+namespace boost { namespace serialization {
+template <class Archive>
+void serialize(Archive &ar, gras::StreamTag &t, const unsigned int)
+{
+    ar & t.key;
+    ar & t.val;
+    ar & t.src;
+}
+}}
+
+PMC_SERIALIZE_EXPORT(gras::StreamTag, "PMC<gras::StreamTag>")