Changeset c681e86 for lib/libtrace.h

Timestamp:

06/22/04 17:23:07 (17 years ago)

Author:

Daniel Lawson <dlawson@…>

Branches:

4.0.1-hotfixes, cachetimestamps, develop, dpdk-ndag, etsilive, getfragoff, help, libtrace4, master, ndag_format, pfring, rc-4.0.1, rc-4.0.2, rc-4.0.3, rc-4.0.4, ringdecrementfix, ringperformance, ringtimestampfixes

Children:

a9d9fd6

Parents:

c792590

Message:

updated to allow bpf filters on arbitrary data

File:

• lib/libtrace.h (modified) (3 diffs)

lib/libtrace.h

@@ -261 +261 @@
  * @author Perry Lorier
  * @note Due to this being a header capture, or anonymisation, this may not
- * be the same size as the original packet.  See getLen() for the original
+ * be the same size as the original packet.  See get_wire_length() for the original
  * size of the packet.
  * @note This can (and often is) different for different packets in a trace!
@@ -305 +305 @@
                 struct libtrace_t *libtrace,
                 void *buffer,
-                int buflen);
+                int buflen);    
 
 /** Get the destination MAC addres
@@ -347 +347 @@
                         void *buffer, int *size);
 
+/** setup a BPF filter
+ * @param libtrace the libtrace opaque pointer
+ * @param filterstring a char * containing the bpf filter string
+ * @returns null
+ * @author Daniel Lawson
+ */
+void libtrace_bpf_setfilter(struct libtrace_t *trace, char *filterstring);
+
+/** apply a BPF filter
+ * @param libtrace the libtrace opaque pointer
+ * @param buffer a pointer to a filled buffer
+ * @param buflen the length of the buffer
+ * @returns the return value from bpf_filter
+ * @author Daniel Lawson
+ */
+int libtrace_bpf_filter(struct libtrace_t *trace, 
+                        void *buffer, 
+                        int buflen);
+
+
 #endif // _LIBTRACE_H_