tools: nfdc status commands
refs #3780
Change-Id: I5222aacc0a7134978e9496c68a3b915dac4aee18
diff --git a/tools/nfdc/legacy-status.cpp b/tools/nfdc/legacy-status.cpp
new file mode 100644
index 0000000..5eaa581
--- /dev/null
+++ b/tools/nfdc/legacy-status.cpp
@@ -0,0 +1,125 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2016, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD 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 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "legacy-status.hpp"
+#include "core/version.hpp"
+
+#include <boost/program_options.hpp>
+
+namespace nfd {
+namespace tools {
+namespace nfdc {
+
+static void
+showUsage(std::ostream& os, const boost::program_options::options_description& cmdOptions)
+{
+ os << "Usage: nfd-status [options]\n\n"
+ << "Show NFD version and status information.\n\n"
+ << cmdOptions;
+}
+
+/** \brief parse legacy nfd-status command line, and show usage if necessary
+ * \return if first item is -1, caller should retrieve and display StatusReport;
+ * otherwise, caller should immediately exit with the specified exit code
+ */
+static std::tuple<int, StatusReportOptions>
+parseCommandLine(const std::vector<std::string>& args)
+{
+ StatusReportOptions options;
+
+ namespace po = boost::program_options;
+ po::options_description cmdOptions("StatusReportOptions");
+ cmdOptions.add_options()
+ ("help,h", "print this help message")
+ ("version,V", "show program version")
+ ("general,v", po::bool_switch(&options.wantForwarderGeneral), "show general status")
+ ("channels,c", po::bool_switch(&options.wantChannels), "show channels")
+ ("faces,f", po::bool_switch(&options.wantFaces), "show faces")
+ ("fib,b", po::bool_switch(&options.wantFib), "show FIB entries")
+ ("rib,r", po::bool_switch(&options.wantRib), "show RIB routes")
+ ("sc,s", po::bool_switch(&options.wantStrategyChoice), "show strategy choice entries")
+ ("xml,x", "output as XML instead of text (implies -vcfbrs)");
+ po::variables_map vm;
+ try {
+ po::store(po::command_line_parser(args).options(cmdOptions).run(), vm);
+ po::notify(vm);
+ }
+ catch (const po::error& e) {
+ std::cerr << e.what() << "\n";
+ showUsage(std::cerr, cmdOptions);
+ return std::make_tuple(2, options);
+ }
+
+ if (vm.count("help") > 0) {
+ showUsage(std::cout, cmdOptions);
+ return std::make_tuple(0, options);
+ }
+ if (vm.count("version") > 0) {
+ std::cout << "nfd-status " << NFD_VERSION_BUILD_STRING << "\n";
+ return std::make_tuple(0, options);
+ }
+
+ if (vm.count("xml") > 0) {
+ options.output = ReportFormat::XML;
+ }
+ if (options.output == ReportFormat::XML ||
+ (!options.wantForwarderGeneral && !options.wantChannels && !options.wantFaces &&
+ !options.wantFib && !options.wantRib && !options.wantStrategyChoice)) {
+ options.wantForwarderGeneral = options.wantChannels = options.wantFaces =
+ options.wantFib = options.wantRib = options.wantStrategyChoice = true;
+ }
+
+ return std::make_tuple(-1, options);
+}
+
+/** \brief the 'legacy-nfd-status' command
+ */
+static int
+legacyNfdStatus(ExecuteContext& ctx)
+{
+ auto args = ctx.args.get<std::vector<std::string>>("args");
+
+ int exitCode = -1;
+ StatusReportOptions options;
+ std::tie(exitCode, options) = parseCommandLine(args);
+ if (exitCode >= 0) {
+ return exitCode;
+ }
+
+ return reportStatus(ctx, options);
+}
+
+void
+registerLegacyStatusCommand(CommandParser& parser)
+{
+ CommandDefinition defLegacyNfdStatus("legacy-nfd-status", "");
+ defLegacyNfdStatus
+ .addArg("args", ArgValueType::ANY, Required::NO, Positional::YES);
+ parser.addCommand(defLegacyNfdStatus, &legacyNfdStatus, AVAILABLE_IN_ALL & ~AVAILABLE_IN_HELP);
+}
+
+} // namespace nfdc
+} // namespace tools
+} // namespace nfd