Changeset 38f9537

Timestamp:

03/26/07 13:58:27 (14 years ago)

Author:

Perry Lorier <perry@…>

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:

acb0d01

Parents:

f0c639b

Message:

libtrace will report packets that aren't the first fragment as not having
a UDP header (fair enough), update the bpf filters to agree with these
semantics

File:

• test/test-decode.c (modified) (2 diffs)

test/test-decode.c

@@ -92 +92 @@
         libtrace_packet_t *packet;
         libtrace_filter_t *filter_tcp = trace_create_filter("tcp");
-        libtrace_filter_t *filter_udp = trace_create_filter("udp");
+        libtrace_filter_t *filter_udp = 
+                trace_create_filter("udp and ip[6:2] & 0x1fff = 0");
         libtrace_filter_t *filter_icmp = trace_create_filter("icmp");
 
@@ -143 +144 @@
                         error=1;
                         printf("udp problem\n");
+                        if (trace_get_udp(packet)) {
+                                printf(" libtrace thinks this is a udp packet\n");
+                        }
+                        else {
+                                printf(" libtrace doesn't think this is a udp packet\n");
+                        }
+                        if (trace_apply_filter(filter_udp,packet)) {
+                                printf(" bpf thinks this is a udp packet\n");
+                        }
+                        else {
+                                printf(" bpf doesn't think this is a udp packet\n");
+                        }
                         trace_dump_packet(packet);
                         break;