Changeset f68d5b8

Timestamp:

01/22/10 16:02:29 (11 years ago)

Author:

Shane Alcock <salcock@…>

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:

042f345

Parents:

7da2676

Message:

• Added a set_capture_length function for Linux Native

File:

• lib/format_linux.c (modified) (2 diffs)

lib/format_linux.c

@@ -600 +600 @@
 {
         return sizeof(struct libtrace_linuxnative_header);
+}
+
+static size_t linuxnative_set_capture_length(libtrace_packet_t *packet, 
+                size_t size) {
+
+        struct libtrace_linuxnative_header *linux_hdr = NULL;
+        assert(packet);
+        if (size > trace_get_capture_length(packet)) {
+                /* We should avoid making a packet larger */
+                return trace_get_capture_length(packet);
+        }
+        
+        /* Reset the cached capture length */
+        packet->capture_length = -1;
+
+        linux_hdr = (struct libtrace_linuxnative_header *)packet->header;
+        linux_hdr->caplen = size;
+        return trace_get_capture_length(packet);
 }
 
@@ -711 +729 @@
         linuxnative_get_wire_length,    /* get_wire_length */
         linuxnative_get_framing_length, /* get_framing_length */
-        NULL,                           /* set_capture_length */
+        linuxnative_set_capture_length, /* set_capture_length */
         NULL,                           /* get_received_packets */
         linuxnative_get_filtered_packets,/* get_filtered_packets */