dump: add -t option to suppress printing per-packet timestamp

Change-Id: I4e0e44c62451629428d2d065692a0cb497a9203a

manpages/ndndump.rst

@@ -54,6 +54,10 @@ Options
 
     Do not put the interface into promiscuous mode.
 
+.. option:: -t, --no-timestamp
+
+    Do not print a timestamp for each packet.
+
 .. option:: -v, --verbose
 
     Produce verbose output.

tests/dump/ndndump.t.cpp

@@ -191,6 +191,17 @@ BOOST_AUTO_TEST_CASE(CaptureUnknownNetworkPacket)
   BOOST_CHECK(output.is_equal(expected));
 }
 
+BOOST_AUTO_TEST_CASE(NoTimestamp)
+{
+  dump.wantTimestamp = false;
+
+  lp::Packet lpPacket;
+  this->receive(lpPacket);
+
+  const std::string expected = "Tunnel Type: EthernetFrame, NDNLPv2-IDLE\n";
+  BOOST_CHECK(output.is_equal(expected));
+}
+
 BOOST_AUTO_TEST_CASE(PcapTraceFile)
 {
   dump.inputFile = "tests/dump/nack.pcap";

tools/dump/main.cpp

@@ -74,6 +74,7 @@ main(int argc, char* argv[])
     ("filter,f",    po::value<std::string>(&nameFilter),
                     "print packet only if name matches this regular expression")
     ("no-promiscuous-mode,p", po::bool_switch(), "do not put the interface into promiscuous mode")
+    ("no-timestamp,t",        po::bool_switch(), "do not print a timestamp for each packet")
     ("verbose,v",   po::bool_switch(&instance.wantVerbose),
                     "print more detailed information about each packet")
     ("version,V",   "print program version and exit")
@@ -140,6 +141,7 @@ main(int argc, char* argv[])
   }
 
   instance.wantPromisc = !vm["no-promiscuous-mode"].as<bool>();
+  instance.wantTimestamp = !vm["no-timestamp"].as<bool>();
 
   try {
     instance.run();

tools/dump/ndndump.cpp

@@ -158,7 +158,9 @@ NdnDump::printPacket(const pcap_pkthdr* pkthdr, const uint8_t* payload) const
   }
 
   std::ostringstream os;
-  printTimestamp(os, pkthdr->ts);
+  if (wantTimestamp) {
+    printTimestamp(os, pkthdr->ts);
+  }
 
   ssize_t payloadSize = pkthdr->len;
 

tools/dump/ndndump.hpp

@@ -88,6 +88,7 @@ public: // options
   std::string pcapFilter = getDefaultPcapFilter();
   optional<std::regex> nameFilter;
   bool wantPromisc = true;
+  bool wantTimestamp = true;
   bool wantVerbose = false;
 
 private: