Changeset e9f9ab3 for lib/format_rt.c

Timestamp:

02/16/06 10:10:21 (15 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:

6561682

Parents:

643105b

Message:

Shifted setting packet->trace and packet->payload into separate functions

File:

• lib/format_rt.c (modified) (3 diffs)

lib/format_rt.c

@@ -240 +240 @@
 }
 
+
+static int rt_set_format(struct libtrace_t *libtrace, 
+                struct libtrace_packet_t *packet, uint16_t format) {
+        switch (format) {
+                case RT_FORMAT_ERF:
+                        if (!RT_INFO->dummy_erf) {
+                                RT_INFO->dummy_erf = trace_create_dead("erf:-");
+                        }
+                        packet->trace = RT_INFO->dummy_erf;
+                        break;
+                case RT_FORMAT_PCAP:
+                        if (!RT_INFO->dummy_pcap) {
+                                RT_INFO->dummy_pcap = trace_create_dead("pcap:-");
+                        }
+                        packet->trace = RT_INFO->dummy_pcap;
+                        break;
+                case RT_FORMAT_WAG:
+                        if (!RT_INFO->dummy_wag) {
+                                RT_INFO->dummy_wag = trace_create_dead("wtf:-");
+                        }
+                        packet->trace = RT_INFO->dummy_wag;
+                        break;
+                default:
+                        printf("Unrecognised format: %d\n", format);
+                        return -1;
+        }
+        return 1;
+}               
+
+static void rt_set_payload(struct libtrace_packet_t *packet, uint16_t format) {
+        dag_record_t *erfptr;
+        
+        switch (format) {
+                case RT_FORMAT_ERF:
+                        erfptr = (dag_record_t *)packet->header;
+                        
+                        if (erfptr->flags.rxerror == 1) {
+                                packet->payload = NULL;
+                        } else {
+                                packet->payload = (char *)packet->buffer
+                                        + trace_get_framing_length(packet);
+                        }
+                        break;
+                default:
+                        packet->payload = (char *)packet->buffer +
+                                trace_get_framing_length(packet);
+                        break;
+        }
+}
+
 static int rt_read_packet(struct libtrace_t *libtrace, struct libtrace_packet_t *packet) {
         
@@ -249 +299 @@
         char msg_buf[RP_BUFSIZE];
 
-        dag_record_t *erfptr;
         
         void *buffer = 0;
@@ -303 +352 @@
                                 }
                                 // set packet->trace
-                                switch (format) {
-                                        case RT_FORMAT_ERF:
-                                                if (!RT_INFO->dummy_erf) {
-                                                        RT_INFO->dummy_erf = trace_create_dead("erf:-");
-                                                }
-                                                packet->trace = RT_INFO->dummy_erf;
-                                                break;
-                                        case RT_FORMAT_PCAP:
-                                                if (!RT_INFO->dummy_pcap) {
-                                                        RT_INFO->dummy_pcap = trace_create_dead("pcap:-");
-                                                }
-                                                packet->trace = RT_INFO->dummy_pcap;
-                                                break;
-                                        case RT_FORMAT_WAG:
-                                                if (!RT_INFO->dummy_wag) {
-                                                        RT_INFO->dummy_wag = trace_create_dead("wtf:-");
-                                                }
-                                                packet->trace = RT_INFO->dummy_wag;
-                                                break;
-                                        default:
-                                                printf("Unrecognised format: %d\n", format);
-                                                return -1;
+                                if (rt_set_format(libtrace, packet, format) < 0) {
+                                        return -1;
                                 }
-                                
                                 // set packet->payload
-                                switch (format) {
-                                        case RT_FORMAT_ERF:
-                                                erfptr = (dag_record_t *)packet->header;
-                                                
-                                                if (erfptr->flags.rxerror == 1) {
-                                                        packet->payload = NULL;
-                                                } else {
-                                                        packet->payload = (char *)packet->buffer
-                                                                + trace_get_framing_length(packet);
-                                                }
-                                                break;
-                                        default:
-                                                packet->payload = (char *)packet->buffer +
-                                                        trace_get_framing_length(packet);
-                                                break;
-                                }
+                                rt_set_payload(packet, format);
                                 // send ack
                                 break;