r16943: Add Jim's code.

[nivanova/samba-autobuild/.git] / examples / pcap2nbench / ethernet.cpp

diff --git a/examples/pcap2nbench/ethernet.cpp b/examples/pcap2nbench/ethernet.cpp
new file mode 100644 (file)
index 0000000..7fd4f1e
--- /dev/null
+++ b/examples/pcap2nbench/ethernet.cpp
@@ -0,0 +1,62 @@
+/*\
+ *  pcap2nbench - Converts libpcap network traces to nbench input
+ *  Copyright (C) 2004  Jim McDonough <jmcd@us.ibm.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Written by Anthony Liguori <aliguori@us.ibm.com>
+\*/
+
+#include <netinet/in.h>
+
+#include "ethernet.hpp"
+
+ethernet::ethernet(const uint8_t *data, size_t length) {
+  if (length < 14) {
+    std::cerr << "Invalid ethernet packet" << std::endl;
+  }
+  memcpy(dst, data, sizeof(dst));
+  memcpy(src, data + 6, sizeof(src));
+  memcpy(&type, data + 12, sizeof(type));
+  type = ntohs(type);
+}
+
+std::ostream &operator<<(std::ostream &lhs, const ethernet &rhs)
+{
+  lhs << "Destination: ";
+  for (int i = 0; i < 6; i++) {
+    char buf[3];
+    sprintf(buf, "%.2x", rhs.dst[i]);
+    if (i) lhs << ":";
+    lhs << buf;
+  }
+  lhs << std::endl;
+
+  lhs << "Source: ";
+  for (int i = 0; i < 6; i++) {
+    char buf[3];
+    sprintf(buf, "%.2x", rhs.src[i]);
+    if (i) lhs << ":";
+    lhs << buf;
+  }
+  lhs << std::endl;
+
+  lhs << "Type: ";
+  char buf[7];
+  sprintf(buf, "%.4x", rhs.type);
+  lhs << buf << std::endl;
+
+  return lhs;
+}