libt2n: (gerd) add server serialization exceptions

[libt2n] / src / command_server.cpp

diff --git a/src/command_server.cpp b/src/command_server.cpp
index 4f386ec..55c4cc1 100644 (file)
--- a/src/command_server.cpp
+++ b/src/command_server.cpp
@@ -75,43 +75,69 @@ void command_server::handle_packet(const std::string& packet, server_connection*
     istringstream ifs(packet);
     boost::archive::binary_iarchive ia(ifs);
     command_container ccont;
+    result_container res;
 
-    // TODO: catch
-    ia >> ccont;
-
-    std::ostream* ostr;
-    if ((ostr=s.get_logstream(fulldebug))!=NULL)
+    try
     {
-        (*ostr) << "decoded packet data: " << std::endl;
-        boost::archive::xml_oarchive xo(*ostr);
-        xo << BOOST_SERIALIZATION_NVP(ccont);
+        ia >> ccont;
     }
+    catch(boost::archive::archive_exception &e)
+    {
+        ostringstream msg;
+        msg << "archive_exception while deserializing on server-side, "
+               "code " << e.code << " (" << e.what() << ")";
+        res.set_exception(new t2n_serialization_error(msg.str()));
+    }
+    catch(...)
+        { throw; }
 
-    // TODO: cast to command subclass (template)
-    command *cmd=ccont.get_command();
+    if (!res.has_exception())
+    {
+        std::ostream* ostr;
+        if ((ostr=s.get_logstream(fulldebug))!=NULL)
+        {
+            (*ostr) << "decoded packet data: " << std::endl;
+            boost::archive::xml_oarchive xo(*ostr);
+            xo << BOOST_SERIALIZATION_NVP(ccont);
+        }
 
-    result_container res;
+        // TODO: cast to command subclass (template)
+        command *cmd=ccont.get_command();
 
-    if (cmd)
-    {
-        try
+        if (cmd)
         {
-            res.set_result((*cmd)());
+            try
+            {
+                res.set_result((*cmd)());
+            }
+            catch (t2n_exception &e)
+                { res.set_exception(e.clone()); }
+            catch (...)
+                { throw; }
         }
-        catch (t2n_exception &e)
-            { res.set_exception(e.clone()); }
-        catch (...)
-            { throw; }
+        else
+            throw logic_error("uninitialized command called");
     }
-    else
-        throw logic_error("uninitialized command called");
 
     ostringstream ofs;
     boost::archive::binary_oarchive oa(ofs);
 
-    // TODO: catch
-    oa << res;
+    try
+    {
+        oa << res;
+    }
+    catch(boost::archive::archive_exception &e)
+    {
+        ostringstream msg;
+        msg << "archive_exception while serializing on server-side, "
+               "code " << e.code << " (" << e.what() << ")";
+        res.set_exception(new t2n_serialization_error(msg.str()));
+        oa << res;
+    }
+    catch(...)
+        { throw; }
 
+    std::ostream* ostr;
     if ((ostr=s.get_logstream(fulldebug))!=NULL)
     {
         (*ostr) << "returning result, decoded data: " << std::endl;