Add Mobile Gateway modules

src/services/CMakeLists.txt

@@ -37,6 +37,9 @@ add_service(transparenthelloworld pcn-transparent-helloworld)
 add_service(synflood pcn-synflood)
 add_service(packetcapture pcn-packetcapture)
 add_service(dynmon pcn-dynmon)
+add_service(gtphandler pcn-gtphandler)
+add_service(policer pcn-policer)
+add_service(classifier pcn-classifier)
 
 # save string to create code that load the services
 SET_PROPERTY(GLOBAL PROPERTY LOAD_SERVICES_ ${LOAD_SERVICES})

src/services/pcn-classifier/.swagger-codegen-ignore

@@ -0,0 +1,17 @@
+# Swagger Codegen Ignore
+# Generated by swagger-codegen https://github.com/swagger-api/swagger-codegen
+
+# Use this file to prevent files from being overwritten by the generator.
+
+.swagger-codegen-ignore
+
+src/*.c
+src/*.cpp
+src/*.h
+src/modules/*.cpp
+src/modules/*.h
+src/CMakeLists.txt
+
+!src/*Base.h
+!src/*JsonObject.h
+!src/*JsonObject.cpp

src/services/pcn-classifier/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required (VERSION 3.2)
+
+set (CMAKE_CXX_STANDARD 11)
+
+add_subdirectory(src)

src/services/pcn-classifier/cmake/LoadFileAsVariable.cmake

@@ -0,0 +1,52 @@
+# Loads the contents of a file into a std::string variable
+#
+# It creates a header file in ${CMAKE_CURRENT_BINARY_DIR}/${file}.h
+# that wrapps the contents of the file in a std::string using the raw
+# string literal feature of C++11. The user needs to include that file
+# into the source code in order to see the variable.
+#
+# parameters:
+#  target: target to add a dependency on file
+#  file: file to be loaded
+#  variable_name: name variable where the file is loaded
+#
+# example:
+#  load_file_as_variable(my-lib resource.c my_resource)
+# Creates a resource.h in CMAKE_CURRENT_BINARY_DIR with a string variable
+# my_resource with the contents of resource.c
+# A dependency in resource.c is added to my-lib
+
+function(load_file_as_variable target file variable_name)
+    get_filename_component(file_name ${file} NAME_WE)
+    get_filename_component(file_dir ${file} DIRECTORY)
+
+    set(new_path ${file_dir}/${file_name}.h)
+
+    add_custom_command(
+            OUTPUT
+            ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+            COMMAND
+            mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/${file_dir}
+            COMMAND
+            echo "#pragma once" > ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+            COMMAND
+            echo "#include <string>" >> ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+            COMMAND
+            echo "const std::string ${variable_name} = R\"POLYCUBE_DP(" >> ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+            COMMAND
+            cat ${CMAKE_CURRENT_SOURCE_DIR}/${file} >> ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+            COMMAND
+            cmake -E echo ")POLYCUBE_DP\";" >> ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+            DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${file}
+            VERBATIM
+    )
+
+    string(REPLACE "/" "-" path_replaced ${new_path})
+
+    add_custom_target(
+            generate_${path_replaced}
+            DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${new_path}
+    )
+
+    add_dependencies(${target} generate_${path_replaced})
+endfunction()

src/services/pcn-classifier/datamodel/classifier.yang

@@ -0,0 +1,105 @@
+module classifier {
+  yang-version 1.1;
+  namespace "http://polycube.network/classifier";
+  prefix "classifier";
+
+  import polycube-base { prefix "polycube-base"; }
+  import polycube-transparent-base { prefix "polycube-transparent-base"; }
+
+  import ietf-yang-types { prefix "yang"; }
+  import ietf-inet-types { prefix "inet"; }
+
+  organization "Polycube Open Source Project";
+  description "YANG data model for the Polycube Traffic Classifier";
+
+  polycube-base:service-description "Traffic Classifier Service";
+  polycube-base:service-version "1.0";
+  polycube-base:service-name "classifier";
+  polycube-base:service-min-kernel-version "4.15.0";
+
+  uses "polycube-transparent-base:transparent-base-yang-module";
+
+  list traffic-class {
+    key id;
+    description "Traffic class identified by id";
+
+    leaf id {
+      type uint32;
+      mandatory true;
+      description "Id of the class, set in metadata of matching packets";
+      polycube-base:cli-example "100";
+    }
+
+    leaf priority {
+      type uint32;
+      mandatory true;
+      description "Packets matching multiple classes are assigned to the one with highest priority";
+    }
+
+    leaf direction {
+      type enumeration {
+        enum INGRESS;
+        enum EGRESS;
+        enum BOTH;
+      }
+      default BOTH;
+      description "Direction (INGRESS, EGRESS or BOTH) of the packet (default: BOTH)";
+      polycube-base:cli-example "INGRESS";
+    }
+
+    leaf smac {
+      type yang:mac-address;
+      description "Source MAC address of the packet";
+      polycube-base:cli-example "AC:00:00:00:00:01";
+    }
+
+    leaf dmac {
+      type yang:mac-address;
+      description "Destination MAC address of the packet";
+      polycube-base:cli-example "AC:00:00:00:00:02";
+    }
+
+    leaf ethtype {
+      type enumeration {
+        enum ARP;
+        enum IP;
+      }
+      description "Ethertype of the packet (ARP | IP)";
+      polycube-base:cli-example "IP";
+    }
+
+    leaf srcip {
+      type inet:ipv4-prefix;
+      description "Source IP address prefix of the packet";
+      polycube-base:cli-example "10.0.0.0/8";
+    }
+
+    leaf dstip {
+      type inet:ipv4-prefix;
+      description "Destination IP address prefix of the packet";
+      polycube-base:cli-example "192.168.0.0/24";
+    }
+
+    leaf l4proto {
+      type enumeration {
+        enum ICMP;
+        enum TCP;
+        enum UDP;
+      }
+      description "Level 4 protocol of the packet (ICMP | TCP | UDP)";
+      polycube-base:cli-example "TCP";
+    }
+
+    leaf sport {
+      type uint16;
+      description "Source port of the packet";
+      polycube-base:cli-example "80";
+    }
+
+    leaf dport {
+      type uint16;
+      description "Destination port of the packet";
+      polycube-base:cli-example "56000";
+    }
+  }
+}

src/services/pcn-classifier/src/CMakeLists.txt

@@ -0,0 +1,60 @@
+include(${PROJECT_SOURCE_DIR}/cmake/LoadFileAsVariable.cmake)
+
+aux_source_directory(serializer SERIALIZER_SOURCES)
+aux_source_directory(api API_SOURCES)
+aux_source_directory(base BASE_SOURCES)
+aux_source_directory(modules MODULES)
+
+include_directories(serializer)
+include_directories(matcher)
+
+if (NOT DEFINED POLYCUBE_STANDALONE_SERVICE OR POLYCUBE_STANDALONE_SERVICE)
+  find_package(PkgConfig REQUIRED)
+  pkg_check_modules(POLYCUBE libpolycube)
+  include_directories(${POLYCUBE_INCLUDE_DIRS})
+endif(NOT DEFINED POLYCUBE_STANDALONE_SERVICE OR POLYCUBE_STANDALONE_SERVICE)
+
+# Needed to load files as variables
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+add_library(pcn-classifier SHARED
+  ${SERIALIZER_SOURCES}
+  ${API_SOURCES}
+  ${BASE_SOURCES}
+  ${MODULES}
+  TrafficClass.cpp
+  Classifier.cpp
+  Classifier-lib.cpp
+  Utils.cpp)
+
+# load ebpf datapath code a variable
+load_file_as_variable(pcn-classifier
+  Classifier_dp.c
+  classifier_code)
+load_file_as_variable(pcn-classifier
+  Selector_dp.c
+  selector_code)
+load_file_as_variable(pcn-classifier
+  MatchingTable_dp.c
+  matching_table_code)
+load_file_as_variable(pcn-classifier
+  Matcher_dp.c
+  matcher_code)
+
+# load datamodel in a variable
+load_file_as_variable(pcn-classifier
+  ../datamodel/classifier.yang
+  classifier_datamodel)
+
+target_link_libraries(pcn-classifier ${POLYCUBE_LIBRARIES})
+
+# Specify shared library install directory
+
+set(CMAKE_INSTALL_LIBDIR /usr/lib)
+
+install(
+    TARGETS
+    pcn-classifier
+    DESTINATION
+    "${CMAKE_INSTALL_LIBDIR}"
+)

src/services/pcn-classifier/src/Classifier-lib.cpp

@@ -0,0 +1,21 @@
+/**
+* classifier API generated from classifier.yang
+*
+* NOTE: This file is auto generated by polycube-codegen
+* https://github.com/polycube-network/polycube-codegen
+*/
+
+
+/* Do not edit this file manually */
+
+#include "api/ClassifierApiImpl.h"
+#include "../datamodel/classifier.h" // generated from datamodel
+
+#define SERVICE_PYANG_GIT ""
+#define SERVICE_SWAGGER_CODEGEN_GIT "master/f3b9193"
+
+#include <polycube/services/shared_library.h>
+
+extern "C" const char *data_model() {
+  return classifier_datamodel.c_str();
+}