Factor out the need for a tag field in Files::AnalyzerArgs record.

This cleans up internals of how analyzer instances get identified by the
tag plus any args given to it and doesn't change script code a user
would write.

src/file_analysis/analyzer/data_event/DataEvent.cc

@@ -6,12 +6,15 @@
 #include "EventRegistry.h"
 #include "Event.h"
 #include "util.h"
+#include "file_analysis/Manager.h"
 
 using namespace file_analysis;
 
 DataEvent::DataEvent(RecordVal* args, File* file,
                      EventHandlerPtr ce, EventHandlerPtr se)
-    : file_analysis::Analyzer(args, file), chunk_event(ce), stream_event(se)
+    : file_analysis::Analyzer(file_mgr->GetAnalyzerTag("DATA_EVENT"),
+	                          args, file),
+	chunk_event(ce), stream_event(se)
 	{
 	}
 

src/file_analysis/analyzer/extract/Extract.cc

@@ -4,11 +4,13 @@
 
 #include "Extract.h"
 #include "util.h"
+#include "file_analysis/Manager.h"
 
 using namespace file_analysis;
 
 Extract::Extract(RecordVal* args, File* file, const string& arg_filename)
-    : file_analysis::Analyzer(args, file), filename(arg_filename)
+    : file_analysis::Analyzer(file_mgr->GetAnalyzerTag("EXTRACT"), args, file),
+	  filename(arg_filename)
 	{
 	fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0666);
 

src/file_analysis/analyzer/hash/Hash.cc

@@ -5,11 +5,12 @@
 #include "Hash.h"
 #include "util.h"
 #include "Event.h"
+#include "file_analysis/Manager.h"
 
 using namespace file_analysis;
 
 Hash::Hash(RecordVal* args, File* file, HashVal* hv, const char* arg_kind)
-	: file_analysis::Analyzer(args, file), hash(hv), fed(false), kind(arg_kind)
+	: file_analysis::Analyzer(file_mgr->GetAnalyzerTag(to_upper(string(arg_kind)).c_str()), args, file), hash(hv), fed(false), kind(arg_kind)
 	{
 	hash->Init();
 	}