From cbf6b8d7d1fc3b0c11577a7b988e9d82bab908ed Mon Sep 17 00:00:00 2001 From: Greg Burd Date: Wed, 24 Apr 2024 22:15:50 -0400 Subject: [PATCH] initial import --- .clang-format | 39 ++++++++ .dir-locals.el | 7 ++ .envrc | 9 ++ .gitignore | 43 +++++++++ .gitmodules | 3 + CMakeLists.txt | 111 +++++++++++++++++++++++ Dockerfile | 8 ++ LICENSE | 201 ++++++++++++++++++++++++++++++++++++++++++ Makefile | 10 +++ README.md | 54 ++++++++++++ cmake/Config.cmake.in | 0 flake.lock | 43 +++++++++ flake.nix | 61 +++++++++++++ seastar | 1 + src/CMakeLists.txt | 3 + src/hanoidb.cc | 23 +++++ 16 files changed, 616 insertions(+) create mode 100644 .clang-format create mode 100644 .dir-locals.el create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 .gitmodules create mode 100644 CMakeLists.txt create mode 100644 Dockerfile create mode 100644 LICENSE create mode 100644 Makefile create mode 100644 README.md create mode 100644 cmake/Config.cmake.in create mode 100644 flake.lock create mode 100644 flake.nix create mode 160000 seastar create mode 100644 src/CMakeLists.txt create mode 100644 src/hanoidb.cc diff --git a/.clang-format b/.clang-format new file mode 100644 index 0000000..97c11d2 --- /dev/null +++ b/.clang-format @@ -0,0 +1,39 @@ +--- +AlignAfterOpenBracket: Align +AlignConsecutiveAssignments: 'true' +AlignEscapedNewlines: Right +AlignTrailingComments: 'true' +AllowShortFunctionsOnASingleLine: 'true' +AllowShortBlocksOnASingleLine: 'true' +AlwaysBreakTemplateDeclarations: 'true' +AccessModifierOffset: -4 +BinPackArguments: 'false' +BinPackParameters: 'false' +BreakBeforeBraces: Mozilla +BreakBeforeInheritanceComma: 'true' +BreakBeforeTernaryOperators: 'true' +BreakConstructorInitializers: BeforeComma +BreakStringLiterals: 'true' +ColumnLimit: '80' +CompactNamespaces: 'false' +ConstructorInitializerAllOnOneLineOrOnePerLine: 'false' +FixNamespaceComments: 'true' +ForEachMacros: ['IMMER_CATCH', 'IMMER_TRY'] +IndentCaseLabels: 'false' +IndentWidth: '4' +IndentWrappedFunctionNames: 'false' +KeepEmptyLinesAtTheStartOfBlocks: 'false' +Language: Cpp +MaxEmptyLinesToKeep: '1' +NamespaceIndentation: None +PointerAlignment: Left +ReflowComments: 'true' +SortIncludes: 'true' +SortUsingDeclarations: 'true' +SpaceAfterCStyleCast: 'true' +SpaceAfterTemplateKeyword: 'true' +SpaceBeforeAssignmentOperators: 'true' +SpaceBeforeParens: ControlStatements +TabWidth: '4' +UseTab: Never +... diff --git a/.dir-locals.el b/.dir-locals.el new file mode 100644 index 0000000..8adc4f1 --- /dev/null +++ b/.dir-locals.el @@ -0,0 +1,7 @@ +((nil . + ((indent-tabs-mode . nil) + (show-trailing-whitespace . t))) + (c-mode . + ((mode . c++))) + (c++-mode . + ((eval add-hook 'before-save-hook #'clang-format-buffer nil t)))) diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..47c52a0 --- /dev/null +++ b/.envrc @@ -0,0 +1,9 @@ +if ! has nix_direnv_version || ! nix_direnv_version 3.0.4; then + source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.4/direnvrc" "sha256-DzlYZ33mWF/Gs8DDeyjr8mnVmQGx7ASYqA5WlxwvBG4=" +fi +watch_file devShell.nix shell.nix flake.nix +use flake || use nix + +CMAKE_GENERATOR=Ninja +CMAKE_MAKE_PROGRAM=Ninja + diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..adb818a --- /dev/null +++ b/.gitignore @@ -0,0 +1,43 @@ +# Prerequisites +*.d + +# Compiled Object files +*.slo +*.lo +*.o +*.obj + +# Precompiled Headers +*.gch +*.pch + +# Compiled Dynamic libraries +*.so +*.dylib +*.dll + +# Fortran module files +*.mod +*.smod + +# Compiled Static libraries +*.lai +*.la +*.a +*.lib + +# Executables +*.exe +*.out +*.app + +# Seastar +seastar/ +app + +# CMake/Ninja +build/ + +# other... +.direnv + diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..d877619 --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "seastar"] + path = seastar + url = https://github.com/scylladb/seastar.git diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..38b1470 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,111 @@ +cmake_minimum_required(VERSION 3.18) + +if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR) + message(FATAL_ERROR "Do not build in-source. Please remove CMakeCache.txt and the CMakeFiles/ directory. Then build out-of-source.") +endif() + +project(hanoidb + VERSION 0.1.0 + LANGUAGES C CXX) + +set(CMAKE_EXPORT_COMPILE_COMMANDS ON) +set(CMAKE_CXX_STANDARD 20) +set(CMAKE_CXX_STANDARD_REQUIRED ON) +set(Seastar_CXX_DIALECT "gnu++20" CACHE STRING "") + +if(APPLE) +add_compile_options(-mmacosx-version-min=10.15) +endif() +############################ +## Modules and scripts ## +############################ + +# Standard CMake modules + +include(CTest) # Must be called before adding tests but after calling project(). This automatically calls enable_testing() and configures ctest targets when using Make/Ninja +include(CMakeDependentOption) # This is a really useful scripts that creates options that depends on other options. It can even be used with generator expressions ! +include(GNUInstallDirs) # This will define the default values for installation directories (all platforms even if named GNU) +include(InstallRequiredSystemLibraries) # Tell CMake that the `install` target needs to install required system libraries (eg: Windows SDK) +include(CMakePackageConfigHelpers) # Helper to create relocatable packages + +find_program(CCACHE_FOUND ccache) +if(CCACHE_FOUND) + set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache) +endif(CCACHE_FOUND) + +# Custom modules and scripts + +list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake") # Make our cmake scripts available + +#################### +## Dependencies ## +#################### + + +############### +## Options ## +############### + +option(ENABLE_INSTALL + "Should ${PROJECT_NAME} be added to the install list? Useful if included using add_subdirectory." ON) + +set(${PROJECT_NAME}_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" + CACHE STRING "Path to install ${PROJECT_NAME} Config*.cmake files to.") + +############### +## Targets ## +############### + +# Use the project root to find includes +include_directories(${PROJECT_SOURCE_DIR}) + +add_subdirectory(seastar) +add_subdirectory(src) + +############### +## Packaging ## +############### + +if(ENABLE_INSTALL) + # Use version checking helper provided by CMake so that users can + # safely use a version number in their find_package calls + write_basic_package_version_file( + ${PROJECT_NAME}ConfigVersion.cmake + VERSION ${PROJECT_VERSION} + COMPATIBILITY SameMajorVersion) + + configure_package_config_file( + ${PROJECT_SOURCE_DIR}/cmake/Config.cmake.in + ${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake + INSTALL_DESTINATION ${${PROJECT_NAME}_INSTALL_CMAKEDIR} + NO_SET_AND_CHECK_MACRO + NO_CHECK_REQUIRED_COMPONENTS_MACRO) + + install( + TARGETS hanoidb + EXPORT ${PROJECT_NAME}_Targets + INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) + + install(DIRECTORY ${PROJECT_NAME} + DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} + FILES_MATCHING PATTERN *.h) + + # This time, install all the exported targets under the + # ${PROJECT_NAME}_Targets name. + install( + EXPORT ${PROJECT_NAME}_Targets + NAMESPACE ${PROJECT_NAME}:: + FILE ${PROJECT_NAME}Targets.cmake + DESTINATION ${${PROJECT_NAME}_INSTALL_CMAKEDIR}) + + # So far we only installed the exported targets, now install the package config files. + # + # If you do not list headers in the PUBLIC_HEADER property, you will need to copy them using + # `install(FILES)` or `install(DIRECTORY)` too. + # + # In that case, you can use CMAKE_INSTALL_INCLUDEDIR as the base destination path. + install(FILES + ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake + ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake + DESTINATION ${${PROJECT_NAME}_INSTALL_CMAKEDIR}) +endif() diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..d1ca0b5 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,8 @@ +FROM docker.io/fedora:34 +WORKDIR /home/src +RUN mkdir -p opt \ + && dnf -y update \ + && dnf -y install ccache git \ + && git clone https://github.com/scylladb/seastar.git --depth=1 --branch=master /opt/seastar \ + && /opt/seastar/install-dependencies.sh +CMD /bin/bash diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..261eeb9 --- /dev/null +++ b/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..a699987 --- /dev/null +++ b/Makefile @@ -0,0 +1,10 @@ +COMPILER = g++ +CFLAGS = -g +MODE = release + +app: /opt/seastar/build/$(MODE)/libseastar.a app.cc + $(COMPILER) app.cc $(shell pkg-config --libs --cflags --static /opt/seastar/build/$(MODE)/seastar.pc) $(CFLAGS) -o app + +/opt/seastar/build/$(MODE)/libseastar.a: + cd /opt/seastar && ./configure.py --mode="$(MODE)" --disable-dpdk --disable-hwloc --cflags="$(CFLAGS)" --compiler="$(COMPILER)" + ninja -C /opt/seastar/build/$(MODE) libseastar.a diff --git a/README.md b/README.md new file mode 100644 index 0000000..432ce63 --- /dev/null +++ b/README.md @@ -0,0 +1,54 @@ +# Ready-to-use stub seastar application + +Seastar is an application framework for high-performance server-side applications. +* Website: http://seastar.io/ +* Github: https://github.com/scylladb/seastar.git +* Documentation: http://docs.seastar.io/master/index.html +* Tutorial: http://docs.seastar.io/master/tutorial.html + +Building seastar can be quite involved. This repo attempts to fast-track your way to your first seastar app, by providing a simple hello-world stub application, with simple build instruction that only require docker to work. Note that the setup instructions assume a UNIX-like environment (Linux, MacOS or WSL) but should work on Windows with minimal tweaking. + +## Prerequisites + +`docker` + +## Setup + +``` +$ docker build -t seastar-app-stub . +$ docker run --rm -it -v $(pwd):/home/src seastar-app-stub +``` +The rest of the instructions assume this setup is completed and that you are in the running docker container. + +## Building the app + +``` +$ make app +``` + +Note that the first invocation of this command might take a while as it will also compile seastar. Subsequent builds will be much faster. + +## Running the app + +``` +$ ./app +``` + +Don't be alarmed by warnings like this: +``` +WARN 2022-05-12 12:49:21,493 [shard 0] seastar - Creation of perf_event based stall detector failed, falling back to posix timer: std::system_error (error system:1, perf_event_open() failed: Operation not permitted) +WARN 2022-05-12 12:49:21,493 [shard 0] seastar - Unable to set SCHED_FIFO scheduling policy for timer thread; latency impact possible. Try adding CAP_SYS_NICE +INFO 2022-05-12 12:49:21,493 [shard 0] seastar - Created fair group io-queue-0, capacity rate 2147483:2147483, limit 12582912, rate 16777216 (factor 1), threshold 2000 +INFO 2022-05-12 12:49:21,493 [shard 0] seastar - Created io group dev(0), length limit 4194304:4194304, rate 2147483647:2147483647 +INFO 2022-05-12 12:49:21,493 [shard 0] seastar - Created io queue dev(0) capacities: 512:2000/2000 1024:3000/3000 2048:5000/5000 4096:9000/9000 8192:17000/17000 16384:33000/33000 32768:65000/65000 65536:129000/129000 131072:257000/257000 +WARN 2022-05-12 12:49:21,598 [shard 1] seastar - Creation of perf_event based stall detector failed, falling back to posix timer: std::system_error (error system:1, perf_event_open() failed: Operation not permitted) +``` +If you see the `HELLO WORLD` printed at the bottom, the app is working: +``` +INFO 2022-05-12 12:50:42,330 [shard 0] app.cc - HELLO WORLD +``` + +To see the available seastar options: +``` +$ ./app --help-seastar +``` diff --git a/cmake/Config.cmake.in b/cmake/Config.cmake.in new file mode 100644 index 0000000..e69de29 diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..6d87522 --- /dev/null +++ b/flake.lock @@ -0,0 +1,43 @@ +{ + "nodes": { + "nixpkgs": { + "locked": { + "lastModified": 1701282334, + "narHash": "sha256-MxCVrXY6v4QmfTwIysjjaX0XUhqBbxTWWB4HXtDYsdk=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "057f9aecfb71c4437d2b27d3323df7f93c010b7e", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "23.11", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs", + "utils": "utils" + } + }, + "utils": { + "locked": { + "lastModified": 1623875721, + "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..4e3f5cf --- /dev/null +++ b/flake.nix @@ -0,0 +1,61 @@ +{ + description = "HanoiDB"; + + inputs = { + # nixpkgs.url = "github:NixOS/nixpkgs/unstable"; + nixpkgs.url = "github:NixOS/nixpkgs/23.11"; + utils.url = "github:numtide/flake-utils"; + utils.inputs.nixpkgs.follows = "nixpkgs"; + }; + + outputs = { self, nixpkgs, ... }@inputs: inputs.utils.lib.eachSystem [ + "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" + ] (system: + let pkgs = import nixpkgs { + inherit system; + overlays = []; + + config.allowUnfree = true; + }; + in { + devShell = pkgs.mkShell rec { + + name = "hanoidb"; + + packages = with pkgs; [ + ccache + clang + cmake + cmakeCurses + gdb + lldb + neovim + ninja + pkg-config + ripgrep + valgrind + + # Build time and Run time dependencies + boost + c-ares + gnutls + hwloc + libsystemtap + liburing + lksctp-tools + lz4 + numactl + protobuf + ragel + yaml-cpp + zlib + ]; + + shellHook = let + icon = "f121"; + in '' + export PS1="$(echo -e '\u${icon}') {\[$(tput sgr0)\]\[\033[38;5;228m\]\w\[$(tput sgr0)\]\[\033[38;5;15m\]} (${name}) \\$ \[$(tput sgr0)\]" + ''; + }; + }); +} diff --git a/seastar b/seastar new file mode 160000 index 0000000..a965080 --- /dev/null +++ b/seastar @@ -0,0 +1 @@ +Subproject commit a965080ec0bb895e5c6196d3b082fa8d8f49b512 diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt new file mode 100644 index 0000000..8217e8b --- /dev/null +++ b/src/CMakeLists.txt @@ -0,0 +1,3 @@ +add_executable(hanoidb) +target_sources(hanoidb PRIVATE hanoidb.cc) +target_link_libraries(hanoidb PRIVATE Seastar::seastar) diff --git a/src/hanoidb.cc b/src/hanoidb.cc new file mode 100644 index 0000000..c0efc4b --- /dev/null +++ b/src/hanoidb.cc @@ -0,0 +1,23 @@ +#include +#include +#include + +//using namespace seastar; + +seastar::logger lg("hanoidb"); + +static seastar:future<> hello_from_all_cores() { + co_await seastar:smp::invoke_on_all([]() -> seastar::future<> { + lg.info("Hello from every core"); + }); + co_return; +} + +int main(int argc, char** argv) { + seastar::app_template app; + + return app.run(argc, argv, [&] () -> seastar::future { + co_await hello_from_all_cores(); + co_return 0; + }); +}