add Nulllogger to suppress console output.

server/Makefile

@@ -13,7 +13,7 @@ endif
 else
 
 CXXFLAGS = -I$(HOME)/include -I$(HOME)/local/include/ -Ijson_spirit
-LDFLAGS  = -L$(HOME)/lib -L$(HOME)/local/lib -lpthread -levent -lpEpEngine -luuid -lgpgme-pthread -letpan -lboost_system -lboost_filesystem
+LDFLAGS  = -L$(HOME)/lib -L$(HOME)/local/lib -lpthread -levent -lpEpEngine -luuid -lgpgme-pthread -letpan -lboost_system -lboost_filesystem -lboost_program_options
 
 endif
 
@@ -29,6 +29,7 @@ libjson-adapter.a: json-adapter.o registry.o nfc.o json_rpc.o \
     function_map.o pep-types.o \
     security-token.o \
     nfc_sets.o base64.o \
+    nulllogger.o \
     json_spirit/json_spirit_reader.o json_spirit/json_spirit_value.o json_spirit/json_spirit_writer.o 
 	ar rcs $@ $^
 

server/nulllogger.cc

@@ -0,0 +1,11 @@
+#include "nulllogger.hh"
+
+class NullBuffer : public std::streambuf
+{
+public:
+	virtual int sync() { return 0; }
+};
+
+NullBuffer nullbuffer;
+
+std::ostream nulllogger(&nullbuffer);

server/nulllogger.hh

@@ -0,0 +1,8 @@
+#ifndef NULL_LOGGER_HH
+#define NULL_LOGGER_HH
+
+#include <ostream>
+
+extern std::ostream nulllogger;
+
+#endif