summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/winpcap/Examples-pcap/readfile/readfile.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/winpcap/Examples-pcap/readfile/readfile.c')
-rw-r--r--3rdparty/winpcap/Examples-pcap/readfile/readfile.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/3rdparty/winpcap/Examples-pcap/readfile/readfile.c b/3rdparty/winpcap/Examples-pcap/readfile/readfile.c
new file mode 100644
index 00000000000..c62dc463c9a
--- /dev/null
+++ b/3rdparty/winpcap/Examples-pcap/readfile/readfile.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <pcap.h>
+
+#define LINE_LEN 16
+
+void dispatcher_handler(u_char *, const struct pcap_pkthdr *, const u_char *);
+
+int main(int argc, char **argv)
+{
+ pcap_t *fp;
+ char errbuf[PCAP_ERRBUF_SIZE];
+
+ if(argc != 2)
+ {
+ printf("usage: %s filename", argv[0]);
+ return -1;
+
+ }
+
+ /* Open the capture file */
+ if ((fp = pcap_open_offline(argv[1], // name of the device
+ errbuf // error buffer
+ )) == NULL)
+ {
+ fprintf(stderr,"\nUnable to open the file %s.\n", argv[1]);
+ return -1;
+ }
+
+ /* read and dispatch packets until EOF is reached */
+ pcap_loop(fp, 0, dispatcher_handler, NULL);
+
+ pcap_close(fp);
+ return 0;
+}
+
+
+
+void dispatcher_handler(u_char *temp1,
+ const struct pcap_pkthdr *header,
+ const u_char *pkt_data)
+{
+ u_int i=0;
+
+ /*
+ * unused variable
+ */
+ (VOID*)temp1;
+
+ /* print pkt timestamp and pkt len */
+ printf("%ld:%ld (%ld)\n", header->ts.tv_sec, header->ts.tv_usec, header->len);
+
+ /* Print the packet */
+ for (i=1; (i < header->caplen + 1 ) ; i++)
+ {
+ printf("%.2x ", pkt_data[i-1]);
+ if ( (i % LINE_LEN) == 0) printf("\n");
+ }
+
+ printf("\n\n");
+
+}