Initial commit

[com/gs-lite.git] / src / lib / gscphost / lfta.c

diff --git a/src/lib/gscphost/lfta.c b/src/lib/gscphost/lfta.c
new file mode 100644 (file)
index 0000000..d32232a
--- /dev/null
+++ b/src/lib/gscphost/lfta.c
@@ -0,0 +1,72 @@
+/* ------------------------------------------------
+ Copyright 2014 AT&T Intellectual Property
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ ------------------------------------------- */
+#include <gsconfig.h>
+#include <fta.h>
+#include <callbackregistries.h>
+#include <ipcencoding.h>
+#include <stdio.h>
+#include "rdtsc.h"
+#include "packet.h"
+#include "gscpipc.h"
+
+// new
+//gs_uint64_t lfta_prefilter(struct packet * p);
+extern gs_uint64_t (*lfta_prefilter)(void *pkt);
+
+struct pr_stats {
+       gs_uint64_t process;
+       gs_uint64_t packets;
+};
+
+void rts_fta_process_packet(struct packet * p)
+{
+    struct FTA * f;
+       gs_uint64_t prefilter;
+       static gs_uint32_t t=0;
+       static struct pr_stats s = {0};
+       gs_uint64_t s1;
+       gs_uint64_t s2;
+    prefilter=(*lfta_prefilter)(p);
+    
+    if (ftaexec_start()<0) {
+        gslog(LOG_EMERG,"GSCPRTS::error::could not init "
+              "FTA list itteration\n");
+        return;
+    }
+    s1=rdtsc();
+    while ((f=ftaexec_next())!=0) {
+        //             fprintf(stderr,"%llu %llu %llu\n",f->prefilter,prefilter,~( (prefilter&(f->prefilter)) | (~(f->prefilter)) ));
+               if (~( (prefilter&(f->prefilter)) | (~(f->prefilter)) ) == 0)
+                       f->accept_packet(f,0,p,0);
+    }
+    s2=rdtsc();
+    s.process+=(s2-s1);
+    s.packets++;
+    intuple++;
+    cycles+=(s2-s1);
+}
+
+void rts_fta_done()
+{
+    struct FTA * f;
+    if (ftaexec_start()<0) {
+        gslog(LOG_EMERG,"GSCPRTS::error::could not init "
+              "FTA list itteration\n");
+        return;
+    }
+    while ((f=ftaexec_next())!=0) {
+        f->control_fta(f,FTA_COMMAND_FILE_DONE,0,0);
+    }
+}