[HICN-109] Adding higet application

Change-Id: If558eb5da804fde2ab331a463bf9c9c11cc471e9
Signed-off-by: Angelo Mantellini <manangel@cisco.com>

3 files changed, 242 insertions, 0 deletions

diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
new file mode 100644
index 000000000..0f7a5c289
--- /dev/null
+++ b/apps/CMakeLists.txt
@@ -0,0 +1,58 @@
+# Copyright (c) 2017-2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+set(CMAKE_CXX_STANDARD 14)
+
+project(apps)
+
+set(CMAKE_MODULE_PATH
+  ${CMAKE_MODULE_PATH}
+  "${CMAKE_CURRENT_SOURCE_DIR}/../cmake/Modules"
+  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
+)
+
+include(BuildMacros)
+include(WindowsMacros)
+
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+  find_package(Libtransport REQUIRED)
+  set(HICN_APPS hicn-apps)
+else()
+  set(LIBTRANSPORT_LIBRARIES ${LIBTRANSPORT_SHARED})
+endif()
+
+include(Packaging)
+
+set (COMPILER_DEFINITIONS "")
+
+list(APPEND APPS_SRC
+  src/higet.cc
+)
+
+if (WIN32)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4200 /wd4996")
+endif ()
+
+foreach(app ${APPS_SRC})
+  get_filename_component(_app_name ${app} NAME)
+  string(REGEX REPLACE ".cc" "" app_name ${_app_name})
+
+  build_executable(${app_name}
+    SOURCES ${app}
+    LINK_LIBRARIES ${LIBTRANSPORT_LIBRARIES} ${WSOCK32_LIBRARY} ${WS2_32_LIBRARY}
+    DEPENDS ${LIBTRANSPORT}
+    COMPONENT ${HICN_APPS}
+    DEFINITIONS ${COMPILER_DEFINITIONS}
+  )
+endforeach()
diff --git a/apps/cmake/Modules/Packaging.cmake b/apps/cmake/Modules/Packaging.cmake
new file mode 100644
index 000000000..6a6e34777
--- /dev/null
+++ b/apps/cmake/Modules/Packaging.cmake
@@ -0,0 +1,28 @@
+# Copyright (c) 2017-2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set(${HICN_APPS}_DESCRIPTION
+"Hicn apps provide the higet application, \
+useful for testing and debugging within a hicn network."
+  CACHE STRING "Description for deb/rpm package."
+)
+
+set(${HICN_APPS}_DEB_DEPENDENCIES
+  "lib${LIBTRANSPORT} (>= stable_version)"
+  CACHE STRING "Dependencies for deb/rpm package."
+)
+
+set(${HICN_APPS}_RPM_DEPENDENCIES
+  "lib${LIBTRANSPORT} >= stable_version"
+  CACHE STRING "Dependencies for deb/rpm package."
+)
\ No newline at end of file
diff --git a/apps/src/higet.cc b/apps/src/higet.cc
new file mode 100755
index 000000000..78891de98
--- /dev/null
+++ b/apps/src/higet.cc
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hicn/transport/http/client_connection.h>
+
+#include <fstream>
+
+typedef std::chrono::time_point<std::chrono::system_clock> Time;
+typedef std::chrono::milliseconds TimeDuration;
+
+Time t1;
+
+#define DEFAULT_BETA 0.99
+#define DEFAULT_GAMMA 0.07
+
+namespace hicnet {
+
+namespace http {
+
+typedef struct {
+  std::string file_name;
+  bool print_headers;
+  std::string producer_certificate;
+} Configuration;
+
+void processResponse(Configuration &conf, transport::http::HTTPResponse &&response) {
+
+  auto &payload = response.getPayload();
+
+  if (conf.file_name != "-") {
+    std::cerr << "Saving to: " << conf.file_name << " " << payload.size()  << "kB" << std::endl;
+  }
+
+  Time t3 = std::chrono::system_clock::now();
+
+  std::streambuf *buf;
+  std::ofstream of;
+
+  if (conf.file_name != "-") {
+    of.open(conf.file_name, std::ofstream::binary);
+    buf = of.rdbuf();
+  } else {
+    buf = std::cout.rdbuf();
+  }
+
+  std::ostream out(buf);
+
+  if (conf.print_headers) {
+    auto &headers = response.getHeaders();
+
+    out << "HTTP/" << response.getHttpVersion() << " " << response.getStatusCode() << " " << response.getStatusString()
+        << "\n";
+    for (auto &h : headers) {
+      out << h.first << ": " << h.second << "\n";
+    }
+    out << "\n";
+  }
+
+  out.write((char *) payload.data(), payload.size());
+  of.close();
+
+  Time t2 = std::chrono::system_clock::now();;
+  TimeDuration dt = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - t1);
+  TimeDuration dt3 = std::chrono::duration_cast<std::chrono::milliseconds>(t3 - t1);
+  long msec = dt.count();
+  long msec3 = dt3.count();
+  std::cerr << "Elapsed Time: " << msec / 1000.0 << " seconds -- " << payload.size() * 8 / msec / 1000.0
+            << "[Mbps] -- " << payload.size() * 8 / msec3 / 1000.0 << "[Mbps]" << std::endl;
+
+}
+
+void usage(char *program_name) {
+  std::cerr << "USAGE:" << std::endl;
+  std::cerr << "\t" << program_name << " [OPTION]... [URL]..." << std::endl;
+  std::cerr << "OPTIONS:" << std::endl;
+  std::cerr << "\t" << "-O filename             write documents to FILE" << std::endl;
+  std::cerr << "\t" << "-S                      print server response" << std::endl;
+  std::cerr << "EXAMPLE:" << std::endl;
+  std::cerr << "\t" << program_name << " -O - http://origin/index.html" << std::endl;
+  exit(EXIT_FAILURE);
+}
+
+int main(int argc, char **argv) {
+
+  Configuration conf {
+      .file_name = "", .print_headers = false, .producer_certificate = ""
+  };
+
+  std::string name("http://webserver/sintel/mpd");
+
+  int opt;
+  while ((opt = getopt(argc, argv, "O:Sc:")) != -1) {
+    switch (opt) {
+      case 'O':
+        conf.file_name = optarg;
+        break;
+      case 'S':
+        conf.print_headers = true;
+        break;
+      case 'c':
+        conf.producer_certificate = optarg;
+        break;
+      case 'h':
+      default:
+        usage(argv[0]);
+        break;
+    }
+  }
+
+  if (argv[optind] == 0) {
+    std::cerr << "Using default name " << name << std::endl;
+  } else {
+    name = argv[optind];
+  }
+
+  if (conf.file_name.empty()) {
+    conf.file_name = name.substr(1 + name.find_last_of("/"));
+  }
+
+  std::map<std::string, std::string> headers = {
+      {"Host", "localhost"},
+      {"User-Agent", "higet/1.0"}
+  };
+
+  transport::http::HTTPClientConnection connection;
+  if (!conf.producer_certificate.empty()) {
+    connection.setCertificate(conf.producer_certificate);
+  }
+
+  t1 = std::chrono::system_clock::now();
+
+  connection.get(name, headers);
+  processResponse(conf, connection.response());
+
+  return EXIT_SUCCESS;
+}
+
+} // end namespace http
+
+} // end namespace hicnet
+
+int main(int argc, char **argv) {
+  return hicnet::http::main(argc, argv);
+}