add new project named MagicEyes, integrate multiple tools under the l…

…mp project and use cmake for build (#711)

* add new project named MagicEyes, integrate multiple tools under the lmp project and use cmake for build

* Update magic_eyes.yml

* Update magic_eyes.yml

* import MagicEyes submodule via https rather than ssh

.github/workflows/magic_eyes.yml

@@ -0,0 +1,39 @@
+name: MagicEyes
+
+on:
+  push:
+    branches:
+      - "*"
+    paths:
+      - 'MagicEyes/**'
+      - '.github/workflows/magic_eyes.yml'
+  pull_request:
+    branches:
+      - "*"
+    paths:
+      - 'MagicEyes/**'
+      - '.github/workflows/magic_eyes.yml'
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-run:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install dependencies and Init Env
+        run: |
+          sudo apt update
+          sudo apt install libbpf-dev clang-14 llvm-14 libelf-dev libpcap-dev gcc-multilib build-essential cmake
+          git submodule update --init --recursive
+
+      - name: Build
+        run: |
+          cd MagicEyes/
+          mkdir build && cd build
+          cmake -DBUILD_ALL=ON ..
+          make
+          make install
+     

.gitignore

@@ -1,5 +1,9 @@
 .idea/
 .DS_Store
+# for MagicEyes
+./MagicEyes/build/
+./MagicEyes/src-gen/
+./MagicEyes/cmake-build-debug/
 
 # local env files
 .env.local

.gitmodules

@@ -64,3 +64,12 @@
 [submodule "eBPF_Supermarket/Network_Subsystem/net_manager/lib/xdp-tools"]
 	path = eBPF_Supermarket/Network_Subsystem/net_manager/lib/xdp-tools
 	url = https://github.com/xdp-project/xdp-tools.git
+[submodule "MagicEyes/blazesym"]
+	path = MagicEyes/blazesym
+	url = https://github.com/libbpf/blazesym.git
+[submodule "MagicEyes/bpftool"]
+	path = MagicEyes/bpftool
+	url = https://github.com/libbpf/bpftool.git
+[submodule "MagicEyes/libbpf"]
+	path = MagicEyes/libbpf
+	url = https://github.com/libbpf/libbpf.git

MagicEyes/CMakeLists.txt

@@ -0,0 +1,140 @@
+# \copyright
+# Copyright (c) 2024 by the lmp/magic_eyes project authors. All Rights Reserved.
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  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
+# -----------------------------------------------------------------------------------------
+# \brief
+#      lmp/magic_eyes 顶层 CMakeLists 文件
+# -----------------------------------------------------------------------------------------
+cmake_minimum_required(VERSION 3.10)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_CXX_COMPILER clang++)
+
+set(PROJECT_NAME MagicEyes)
+project(${PROJECT_NAME})
+
+# 查看目标系统，目前仅支持Linux
+if (NOT DEFINED OS_PLATFORM)
+    string(TOLOWER ${CMAKE_SYSTEM_NAME} OS_PLATFORM)
+endif ()
+if (OS_PLATFORM MATCHES "linux")
+    include(GNUInstallDirs)  # for CMAKE_INSTALL_INCLUDEDIR ......
+    INCLUDE(CheckFunctionExists) # for command check_function_exists ......
+    message(STATUS "${PROJECT_NAME} running in OS platform: ${OS_PLATFORM}")
+else ()
+    message(SEND_ERROR "${PROJECT_NAME} only support Linux platform now")
+endif ()
+# 查看CPU架构
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64")
+    set(ARCH "x86")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
+    set(ARCH "arm")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+    set(ARCH "arm64")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "ppc64le")
+    set(ARCH "powerpc")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "mips")
+    set(ARCH "mips")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "riscv64")
+    set(ARCH "riscv")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "loongarch64")
+    set(ARCH "loongarch")
+endif()
+# 判断CPU架构
+# if (NOT DEFINED OS_ARCH)
+#    string(TOLOWER ${CMAKE_HOST_SYSTEM_PROCESSOR} OS_ARCH)
+#    message(STATUS "${PROJECT_NAME} running in OS ARCH： ${OS_ARCH}")
+#else ()
+#    message(STATUS "${PROJECT_NAME} will running in OS ARCH： ${OS_ARCH}")
+# endif ()
+
+# 创建代码生成目录，后面生成的skel代码均放在这里
+set(CONFIG_SRC_GEN_DIR ${CMAKE_SOURCE_DIR}/src-gen)
+if (NOT EXISTS ${CONFIG_SRC_GEN_DIR})
+    message(STATUS "src-gen文件夹不存在，准备创建")
+    file(MAKE_DIRECTORY ${CONFIG_SRC_GEN_DIR})
+endif ()
+include_directories(${CONFIG_SRC_GEN_DIR})
+
+# 修改默认安装路径为 <build_dir>/install而不是/usr/local
+# 可通过 cmake -DCMAKE_INSTALL_PREFIX=<install_dir> 修改路径
+if (${CMAKE_INSTALL_PREFIX} STREQUAL "/usr/local")
+    set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/install/)
+endif ()
+message(STATUS "install directory： ${CMAKE_INSTALL_PREFIX}")
+
+# include backend common source file
+set(BPF_COMMON_FILES_DIR ${CMAKE_SOURCE_DIR}/src/backend/bpf_common_helper)
+file(GLOB BPF_COMMON_FILES ${BPF_COMMON_FILES_DIR})
+include_directories(${BPF_COMMON_FILES_DIR})
+# include component source file
+set(PROJECT_COMPONENT_FILES_DIR ${CMAKE_SOURCE_DIR}/src/backend/component_helper)
+file(GLOB PROJECT_COMPONENT_FILES ${PROJECT_COMPONENT_FILES_DIR})
+include_directories(${PROJECT_COMPONENT_FILES_DIR})
+
+# Tell cmake where to find BpfObject module
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/tools/cmake)
+
+# Build vendored libbpf
+include(ExternalProject)
+# ExternalProject_Add()函数创建一个外部工程可以驱动下载、更新/补丁、配置、构建、安装和测试流程的自定义目标
+# 编译libbpf
+ExternalProject_Add(libbpf
+        PREFIX libbpf
+        SOURCE_DIR ${CMAKE_SOURCE_DIR}/libbpf/src
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND make
+        BUILD_STATIC_ONLY=1
+        OBJDIR=${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf
+        DESTDIR=${CMAKE_CURRENT_BINARY_DIR}/libbpf
+        INCLUDEDIR=
+        LIBDIR=
+        UAPIDIR=
+        install install_uapi_headers
+        BUILD_IN_SOURCE TRUE
+        INSTALL_COMMAND ""
+        STEP_TARGETS build
+)
+# 编译bpftool
+ExternalProject_Add(bpftool
+        PREFIX bpftool
+        SOURCE_DIR ${CMAKE_SOURCE_DIR}/bpftool/src
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND make bootstrap
+        OUTPUT=${CMAKE_CURRENT_BINARY_DIR}/bpftool/
+        BUILD_IN_SOURCE TRUE
+        INSTALL_COMMAND ""
+        STEP_TARGETS build
+)
+# Rust语言用，Rust需要编译 blazesym
+find_program(CARGO_EXISTS cargo)
+if(CARGO_EXISTS)
+    ExternalProject_Add(blazesym
+            PREFIX blazesym
+            SOURCE_DIR ${CMAKE_SOURCE_DIR}/blazesym
+            CONFIGURE_COMMAND ""
+            BUILD_COMMAND cargo build --release
+            BUILD_IN_SOURCE TRUE
+            INSTALL_COMMAND ""
+            STEP_TARGETS build
+    )
+endif()
+
+set(BPFOBJECT_BPFTOOL_EXE ${CMAKE_CURRENT_BINARY_DIR}/bpftool/bootstrap/bpftool)
+set(BPFOBJECT_VMLINUX_H ${CMAKE_SOURCE_DIR}/vmlinux/${ARCH}/vmlinux.h)
+set(LIBBPF_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/libbpf)
+set(LIBBPF_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf.a)
+set(BPFOBJECT_CLANG_EXE clang)
+
+find_package(BpfObject REQUIRED)
+if (NOT BpfObject_FOUND)
+    message(STATUS "BpfObject not found, please check")
+endif ()
+
+add_subdirectory(src/backend)
+add_subdirectory(src/bridge)