Blog | 鱼猫小栈

阿里云ECS

2024年11月27日 · 1分钟阅读

xkyii

鱼猫大脚

购买

99一年, 2C2G+40G, 算便宜的.

基本信息

2024.11.27购买, 一年期
公网IP: 47.115.206.198
root密码: Aly

基本配置

ssh

需要在安全组里允许22端口,才能远程使用ssh登录

账号

新建账号

## 新建账号
```shell
# 添加用户
useradd -r -m -s /bin/bash xkyii

# 查看用户
id xkyii

# 修改密码(指定用户)
passwd xkyii
# 修改密码(当前用户)
passwd

# 查看密码文件
cat /etc/passwd

# 加入root组
usermod -g root xkyii
# 查看
id xkyii

免密

WinForm AOT发布

2024年9月5日 · 1分钟阅读

xkyii

鱼猫大脚

环境

Windows 10
9.0.100-preview.7.24407.12
Microsoft Visual Studio Community 2022 (64 位) - Current 版本 17.11.2

工程

新建项目
修改项目配置WinFormAot.csproj:

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>WinExe</OutputType>
    <TargetFramework>net9.0-windows</TargetFramework>
    <Nullable>enable</Nullable>
    <UseWindowsForms>true</UseWindowsForms>
    <ImplicitUsings>enable</ImplicitUsings>
  </PropertyGroup>
    
    <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
        <InvariantGlobalization>true</InvariantGlobalization>
        <PublishAot>true</PublishAot>
        <!-- 禁止裁剪和AOT冲突的报错 -->
        <_SuppressWinFormsTrimError>true</_SuppressWinFormsTrimError>

        <!-- 支持winxp可以试试加上
        <WindowsSupportedOSPlatformVersion>5.1</WindowsSupportedOSPlatformVersion>
        <RuntimeIdentifier>win-x64</RuntimeIdentifier>
        <TargetPlatformMinVersion>5.1</TargetPlatformMinVersion>
        -->
    </PropertyGroup>
</Project>

发布配置参考:
发布

Clion调试redis

2024年8月28日 · 2分钟阅读

xkyii

鱼猫大脚

环境

Clion 2024.2
Windows 10
WSL 2.0.9

❯ wsl -v
WSL 版本： 2.0.9.0
内核版本： 5.15.133.1-1
WSLg 版本： 1.0.59
MSRDC 版本： 1.2.4677
Direct3D 版本： 1.611.1-81528511
DXCore 版本： 10.0.25131.1002-220531-1700.rs-onecore-base2-hyp
Windows 版本： 10.0.19045.2965

准备

下载Redis 7.4.0
用CLion打开
设置工具链

调试

编译完成之后，需要选定可执行文件

问题

fatal error: release.h: No such file or directory

确实没有这个文件，因为这个文件是src/mkreleasehdr.sh生成的，但是编译的最前面就已经报错：

sh: 1: ./mkreleasehdr.sh: not found

检查了一下, 文件确实存在，并且权限也是够的，尝试运行一下：

./mkreleasehdr.sh

可能是换行符的问题，修改为LR：

重新编译即可

连接IP不对

使用localhost和本机IP可能都会连不上，进到WSL命令行，看下当前IP，应该可以

取消保护模式

~~修改redis.conf：（改这个文件好像没用）~~

protected-mode no

启动的时候加个参数：

--protected-mode no

代码查重调研

2024年7月2日 · 3分钟阅读

xkyii

鱼猫大脚

资料

重复类型

最简单明了的是完全一样的代码片段。此外，还有如下类型的重复代码:

类型 Ⅰ，代码片段中除了空格、注释以及换行以外的内容完全一致
类型 Ⅱ，代码片段中除了空格、注释、换行以及变量名以外的内容完全一致
类型 Ⅲ，代码片段中除了空格、注释、换行以及变量名以外的语句可能有增删改，功能不变
类型 Ⅳ，两个或更多个代码段执行相同的运算，但通过不同的语法和变量来实现。

检测工具

不同的重复代码检测工具，由于在实现算法上有所不同，其所能检测的重复代码类型也不尽相同，如下表所示。


名称	Simian	PMD-CPD	CloneDR	CCCD	CCFinder	Bauhaus	CodePro
检测类型	Ⅰ	Ⅰ，Ⅱ	Ⅰ，Ⅱ	Ⅰ，Ⅱ	Ⅰ	Ⅰ，Ⅱ，Ⅲ	Ⅰ，Ⅱ，Ⅲ
支持语言	C/C++，Java	C/C++，Java	C/C++，Java	C，Java	C/C++，Java	C/C++，Java	Java
授权类型	商用，可免费	开源	商用，可免费	开源	开源	商用，可免费	开源
推荐星级	**	***	**	*	*	**	***

试试

准备

把两个目录映射出来

cmd
mklink /J mlcache-anno D:\Code\thzt\mlcache\mlcache-anno
mklink /J jetcache-anno D:\Code\xkrof\jetcache-2.7.5\jetcache-anno

automoss

jplag

# jdk依赖
scoop install openjdk21

pmd

Releases · pmd/pmd (github.com)下载版本
解压，进入bin目录
启动GUI pmd cpdgui
选择目录，GO
可以比较出文件及行数，暂时没有找到百分比之类的统计数据

Windows 10 配置Clion+WSL2环境

2024年5月11日 · 2分钟阅读

xkyii

鱼猫大脚

环境

❯ wsl -v
WSL 版本： 2.0.9.0
内核版本： 5.15.133.1-1
WSLg 版本： 1.0.59
MSRDC 版本： 1.2.4677
Direct3D 版本： 1.611.1-81528511
DXCore 版本： 10.0.25131.1002-220531-1700.rs-onecore-base2-hyp
Windows 版本： 10.0.19045.2965

配置

sudo apt update
sudo apt upgrade

安装C++相关

sudo apt-get update
sudo apt-get install cmake gcc clang gdb build-essential

wsl 代理

# WSL通过Win访问网络，所以WSL的网关指向的是Windows，DNS服务器指向的也是Windows，设置WSL的proxy为win的代理ip+端口即可
# WSL中的DNS server在/etc/resolv.conf中查看，该文件是由/etc/wsl.conf自动生成的。
# 如果关闭了wsl.conf中自动生成resolve.conf并自行修改了resolve.conf，DNS nameserver并不是本机win ip
# 需要开启wsl.conf的自动生成，再运行以下命令
# https://zhuanlan.zhihu.com/p/153124468

# 添加到环境变量设置中，例如~/.zshrc
export HOST_IP=$(cat /etc/resolv.conf |grep -oP '(?<=nameserver\ ).*')
export HTTPS_PROXY="http://${HOST_IP}:7890"
export HTTP_PROXY="http://${HOST_IP}:7890"
# export ALL_PROXY="http://$host_ip:7890"

vcpkg

sudo apt-get update
sudo apt-get install build-essential tar curl zip unzip pkg-config
git clone https://github.com/microsoft/vcpkg
./vcpkg/bootstrap-vcpkg.sh

clion

配置Toolchains
配置CMake -> CMake Options: -DCMAKE_TOOLCHAIN_FILE=~/vcpkg/scripts/buildsystems/vcpkg.cmake
Reload项目:

参考

记一次Redis错误

2024年4月10日 · 5分钟阅读

xkyii

鱼猫大脚

报错

在客户端连接时,出现:

Client On Error: Error: write ECONNABORTED Config right?

docker

docker compose

  redis:
    image: redis:6.2.7
    restart: always
    hostname: redis
    container_name: mlcache-redis
    privileged: true
    ports:
      - "6399:6379"
    environment:
      - TZ=Asia/Shanghai
    volumes:
      - ./data/redis/data:/data
      - ./data/redis/logs:/logs
#      - ./data/redis/redis.conf:/etc/redis/redis.conf
      - ../redis/redis.conf:/etc/redis/redis.conf
    command: ["redis-server","/etc/redis/redis.conf"]
#    command: ["redis-server"]

redis.conf

默认配置, 去redis/redis根目录下找redis.conf,最好是找对应版本的tag

尝试

尝试一

不使用配置启动，连接正常，即：

  redis:
    image: redis:6.2.7
    restart: always
    hostname: redis
    container_name: mlcache-redis
    privileged: true
    ports:
      - "6399:6379"
    environment:
      - TZ=Asia/Shanghai
    volumes:
      - ./data/redis/data:/data
      - ./data/redis/logs:/logs
#      - ./data/redis/redis.conf:/etc/redis/redis.conf
#      - ../redis/redis.conf:/etc/redis/redis.conf
#    command: ["redis-server","/etc/redis/redis.conf"]
    command: ["redis-server"]

所以大致认为配置有问题

尝试二

重新启用配置

  redis:
    image: redis:6.2.7
    restart: always
    hostname: redis
    container_name: mlcache-redis
    privileged: true
    ports:
      - "6399:6379"
    environment:
      - TZ=Asia/Shanghai
    volumes:
      - ./data/redis/data:/data
      - ./data/redis/logs:/logs
      - ../redis/redis.conf:/etc/redis/redis.conf
    command: ["redis-server","/etc/redis/redis.conf"]

看下日志: (docker logs $container_id)

2024-04-10 16:57:55 1:C 10 Apr 2024 16:57:55.529 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
2024-04-10 16:57:55 1:C 10 Apr 2024 16:57:55.529 # Redis version=6.2.7, bits=64, commit=00000000, modified=0, pid=1, just started
2024-04-10 16:57:55 1:C 10 Apr 2024 16:57:55.529 # Configuration loaded
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.530 * monotonic clock: POSIX clock_gettime
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.530 # Warning: Could not create server TCP listening socket ::1:6379: bind: Cannot assign requested address
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.530 # A key '__redis__compare_helper' was added to Lua globals which is not on the globals allow list nor listed on the deny list.
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.530 * Running mode=standalone, port=6379.
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.530 # Server initialized
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.530 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.533 * Loading RDB produced by version 6.2.7
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.533 * RDB age 35 seconds
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.533 * RDB memory usage when created 0.87 Mb
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.533 # Done loading RDB, keys loaded: 0, keys expired: 0.
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.534 * DB loaded from disk: 0.003 seconds
2024-04-10 16:57:55 1:M 10 Apr 2024 16:57:55.534 * Ready to accept connections

其中有个警告: Warning: Could not create server TCP listening socket ::1:6379: bind: Cannot assign requested address, 绑定端口失败

到redis.conf中,找到bind相关的一段:

# ~~~ WARNING ~~~ If the computer running Redis is directly exposed to the
# internet, binding to all the interfaces is dangerous and will expose the
# instance to everybody on the internet. So by default we uncomment the
# following bind directive, that will force Redis to listen only on the
# IPv4 and IPv6 (if available) loopback interface addresses (this means Redis
# will only be able to accept client connections from the same host that it is
# running on).
#
# IF YOU ARE SURE YOU WANT YOUR INSTANCE TO LISTEN TO ALL THE INTERFACES
# JUST COMMENT OUT THE FOLLOWING LINE.
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bind 127.0.0.1 -::1

把bind这行注释掉

尝试三

重新启动容器,看日志:

2024-04-10 17:02:40 1:C 10 Apr 2024 17:02:40.645 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
2024-04-10 17:02:40 1:C 10 Apr 2024 17:02:40.645 # Redis version=6.2.7, bits=64, commit=00000000, modified=0, pid=1, just started
2024-04-10 17:02:40 1:C 10 Apr 2024 17:02:40.645 # Configuration loaded
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.645 * monotonic clock: POSIX clock_gettime
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.645 # A key '__redis__compare_helper' was added to Lua globals which is not on the globals allow list nor listed on the deny list.
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.645 * Running mode=standalone, port=6379.
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.646 # Server initialized
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.646 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.647 * Loading RDB produced by version 6.2.7
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.647 * RDB age 89 seconds
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.647 * RDB memory usage when created 0.77 Mb
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.647 # Done loading RDB, keys loaded: 0, keys expired: 0.
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.647 * DB loaded from disk: 0.001 seconds
2024-04-10 17:02:40 1:M 10 Apr 2024 17:02:40.647 * Ready to accept connections

有个警告: overcommit_memory is set to 0!

把尝试二中的bind部分修改为

bind 0.0.0.0

overcommit_memory is set to 0!这个问题就没有了

zig-webui试玩

2024年1月6日 · 2分钟阅读

xkyii

鱼猫大脚

资料

环境

Windows 10

❯ zig version
0.11.0

使用

新建项目

mkdir webuix
cd webuix
zig init-exe

引入webui

修改build.zig文件,加入:

    const zig_webui = b.dependency("zig-webui", .{
        .target = target,
        .optimize = optimize,
        .enable_tls = false,
        .is_static = true,
    });

    // add module
    exe.addModule("webui", zig_webui.module("webui"));

    // link library
    exe.linkLibrary(zig_webui.artifact("webui"));

添加或修改build.zig.zon, (在dependencies中增加zigwebui):

.{
    .name = "webuix",
    .version = "0.0.1",
    .minimum_zig_version = "0.11.0",
    .dependencies = .{
        .@"zig-webui" = .{
            // It is recommended to replace the following branch with commit id
            .url = "https://github.com/webui-dev/zig-webui/archive/main.tar.gz",
            .hash = "12201a01f9682c7b2caa3abe27e7aef824a3c421393b84e96aa2615e284bd87cd8bd",
        },
    },
    .paths = .{
        "",
    },
}

修改main.zig, (参考zig-webui/src/examples/minimal/main.zig)

const webui = @import("webui");

pub fn main() !void {
    var nwin = webui.newWindow();
    _ = nwin.show("<html><head><script src=\"webui.js\"></script></head> Hello World ! </html>");
    webui.wait();
}

bitnami的etcd docker镜像启动分析

2023年12月29日 · 5分钟阅读

xkyii

鱼猫大脚

entrypoint

默认是/opt/bitnami/scripts/etcd/entrypoint.sh，当第一cmd参数是/opt/bitnami/scripts/etcd/run.sh时，会启动setup流程

#!/bin/bash
# Copyright VMware, Inc.
# SPDX-License-Identifier: APACHE-2.0

# shellcheck disable=SC1091

set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purposes

# Load libraries
. /opt/bitnami/scripts/libbitnami.sh
. /opt/bitnami/scripts/liblog.sh

# Load etcd environment variables
. /opt/bitnami/scripts/etcd-env.sh

print_welcome_page

if [[ "$1" = "/opt/bitnami/scripts/etcd/run.sh" ]]; then
    info "** Starting etcd setup **"
    /opt/bitnami/scripts/etcd/setup.sh
    info "** etcd setup finished! **"
fi

echo ""
exec "$@"

顺序是先setup.sh(如果指定了的话) ，后run.sh

setup

文件是/opt/bitnami/scripts/etcd/setup.sh

#!/bin/bash
# Copyright VMware, Inc.
# SPDX-License-Identifier: APACHE-2.0

# shellcheck disable=SC1091

set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purposes

# Load libraries
. /opt/bitnami/scripts/libos.sh
. /opt/bitnami/scripts/libetcd.sh

# Load etcd environment settings
. /opt/bitnami/scripts/etcd-env.sh

# Ensure etcd environment settings are valid
etcd_validate
# Ensure etcd is stopped when this script ends.
trap "etcd_stop" EXIT
# Ensure 'daemon' user exists when running as 'root'
am_i_root && ensure_user_exists "$ETCD_DAEMON_USER" --group "$ETCD_DAEMON_GROUP"
# Ensure etcd is initialized
etcd_initialize

这里最关键的地方是etcd_initialize函数，要确定etcd已经初始化，这个函数是在/opt/bitnami/scripts/libetcd.sh中定义的

run

文件是/opt/bitnami/scripts/etcd/run.sh，最后执行的是etcd命令(${cmd[@]})

#!/bin/bash
# Copyright VMware, Inc.
# SPDX-License-Identifier: APACHE-2.0

# shellcheck disable=SC1090,SC1091

set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purposes

# Load libraries
. /opt/bitnami/scripts/liblog.sh
. /opt/bitnami/scripts/libos.sh
. /opt/bitnami/scripts/libvalidations.sh
. /opt/bitnami/scripts/libetcd.sh

# Load etcd environment variables
. /opt/bitnami/scripts/etcd-env.sh

is_empty_value "$ETCD_ROOT_PASSWORD" && unset ETCD_ROOT_PASSWORD
if [[ -f "$ETCD_NEW_MEMBERS_ENV_FILE" ]]; then
    debug "Loading env vars of existing cluster"
    . "$ETCD_NEW_MEMBERS_ENV_FILE"
    # We rely on the original value of ETCD_INITIAL_CLUSTER
    # when bootstrapping a new cluster since
    # we need all initial members to calcualte a same cluster_id
fi

declare -a cmd=("etcd")
# If provided, run using configuration file
# Using a configuration file will cause etcd to ignore other flags and environment variables
[[ -f "$ETCD_CONF_FILE" ]] && cmd+=("--config-file" "$ETCD_CONF_FILE")
cmd+=("$@")

info "** Starting etcd **"
if am_i_root; then
    exec_as_user "$ETCD_DAEMON_USER" "${cmd[@]}"
else
    exec "${cmd[@]}"
fi

自定义

如果启动过程中需要自定义一些内容，比如:

#!/bin/sh
./etcdctl user add root
./etcdctl --user=root --password="123456" user grant-role root root
./etcdctl --user=root --password="123456" auth enable
./etcdctl --user=root --password="123456" role add client
./etcdctl --user=root --password="123456" role add worker
./etcdctl --user=root --password="123456" user add worker
./etcdctl --user=root --password="123456" user grant-role worker worker
./etcdctl --user=root --password="123456" role grant-permission client read /hotcaffeine --prefix=true
./etcdctl --user=root --password="123456" role grant-permission worker readwrite /hotcaffeine --prefix=true

这些内容单独做个脚本放在entrypoint.sh的最后面执行是有点难度的，经常会出现:

{"level":"warn","ts":"2023-12-29T06:17:55.512582Z","logger":"etcd-client","caller":"v3@v3.5.11/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0xc0001508c0/127.0.0.1:2379","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = latest balancer error: last connection error: connection error: desc = \"transport: Error while dialing: dial tcp 127.0.0.1:2379: connect: connection refused\""}

因为初始化了之后会终止掉服务再重启。要么在初始化的时候自定义，要么再等服务完成重启完成

所以我目前的做法是直接把/opt/bitnami/scripts/libetcd.sh文件中的函数etcd_initialize改掉，然后映射覆盖掉。

覆盖etcd_initialize

把/opt/bitnami/scripts/libetcd.sh复制出来，然后修改要自定义的地方，像这样：

etcd_configure_rbac() {

    ! is_etcd_running && etcd_start_bg
    read -r -a extra_flags <<<"$(etcdctl_auth_flags)"

    is_boolean_yes "$ETCD_ON_K8S" && extra_flags+=("--endpoints=$(etcdctl_get_endpoints)")
    if retry_while "etcdctl ${extra_flags[*]} member list" >/dev/null 2>&1; then
        if retry_while "etcdctl ${extra_flags[*]} auth status" >/dev/null 2>&1; then
            if etcdctl "${extra_flags[@]}" auth status | grep -q "Authentication Status: true"; then
                info "Authentication already enabled"
            else
                info "Enabling etcd authentication"
                is_boolean_yes "$ETCD_ON_K8S" && extra_flags=("--endpoints=$(etcdctl_get_endpoints)")
                etcdctl "${extra_flags[@]}" user add root --interactive=false <<<"$ETCD_ROOT_PASSWORD"
                etcdctl "${extra_flags[@]}" user grant-role root root
                etcdctl "${extra_flags[@]}" auth enable
                # 这里是自定义的内容
                etcdctl "${extra_flags[@]}" role add client
                etcdctl "${extra_flags[@]}" role add worker
                etcdctl "${extra_flags[@]}" user add worker --interactive=false <<<"$ETCD_WORKER_PASSWORD"
                etcdctl "${extra_flags[@]}" user grant-role worker worker
                etcdctl "${extra_flags[@]}" role grant-permission client read /hotcaffeine --prefix=true
                etcdctl "${extra_flags[@]}" role grant-permission worker readwrite /hotcaffeine --prefix=true
            fi
        fi
    fi
    etcd_stop
}

然后在volumes中将原来的文件覆盖掉

使用docker-compose

version: '3'

services:
  etcd:
    image: bitnami/etcd:latest
    restart: always
    container_name: etcd
    ports:
      - 2379:2379
      - 2380:2380
    volumes:
      # 覆盖掉原始的文件
      - ./libetcd.sh:/opt/bitnami/scripts/libetcd.sh
    environment:
      - ETCD_ROOT_PASSWORD=H&O%T=C9AFF]
      - ETCD_WORKER_PASSWORD==+WK%&#*

VsCode在Wsl2(Ubuntu)下的cpp/zig开发环境

2023年12月29日 · 3分钟阅读

xkyii

鱼猫大脚

VsCode

安装

scoop install vscode

插件

WSL - Visual Studio Marketplace (windows)
C/C++ - Visual Studio Marketplace (wsl2/ubuntu)
CMake - Visual Studio Marketplace(wsl2/ubuntu)
CMake Tools - Visual Studio Marketplace(wsl2/ubuntu)
Zig Language - Visual Studio Marketplace(wsl2/ubuntu)

WSL

wsl --version
WSL 版本： 2.0.9.0
内核版本： 5.15.133.1-1
WSLg 版本： 1.0.59
MSRDC 版本： 1.2.4677
Direct3D 版本： 1.611.1-81528511
DXCore 版本： 10.0.25131.1002-220531-1700.rs-onecore-base2-hyp
Windows 版本： 10.0.19045.3803

sudo apt-get install wget ca-certificates
sudo apt update
sudo apt-get install openssh-server g++ gdb make ninja-build rsync zip
sudo apt-get install cmake

C/C++

用VsCode连接到WSL，打开一个目录。

Ctrl+Shift+P -> CMake: Quick Start

选一套工具包

建一个项目, C++, Executable

直接开始调试

Zig

安装

zig: 参照Install Zig from a Package Manager安装
zls: 直接下载Releases · zigtools/zls (github.com)就丢到/usr/bin里面就可以

中间可能会遇到snap无法安装软件的问题，是因为systemctl在wsl中不支持，可以参考WSL 中的高级设置配置来启用。

我是跑了DamionGans/ubuntu-wsl2-systemd-script这个脚本（虽说已经unsupported，但是目前对我还是有效的）

这里有讨论snap在wsl中的问题 WSL2- Ubuntu 20.04 Snap store doesn't work due to systemd dependency · Issue #5126 · microsoft/WSL (github.com)

调试

打开Wsl/Ubuntu终端

cd ~
mkdir zello
cd zello
zig init-exe
zig build

用VsCode打开zello目录，创建文件.vscode/launch.json:

{
  "version": "0.2.0",
  "configurations": [
      {
          "name": "Zig Launch (Ubuntu)",
          "type": "cppdbg",
          "request": "launch",
          "program": "${workspaceFolder}/zig-out/bin/zello",
          "args": [],
          "stopAtEntry": false,
          "cwd": "${workspaceFolder}",
          "environment": []
      }
  ]
}

F5, 开始调试

缓存目录

默认情况下，zig build会生成两个目录：zig-out和zig-cache，可以使用参数--prefix和--cache-dir来指定：

zig build --prefix D:\Code\xkyss\xkyss.zpp\build\playz\v0.11\hello\zig-out --cache-dir D:\Code\xkyss\xkyss.zpp\build\playz\v0.11\hello\zig-cache

这里需要指定全目录，相对目录会报错：error: BadPathName

如果需要在VsCode调试调试，还需要修改一下.vscode/launch.json，(调整cwd和program的目录)：

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Zig Launch (Windows)",
            "type": "cppvsdbg",
            "request": "launch",
            "program": "${workspaceFolder}/../../../build/playz/v0.11/hello/zig-out/bin/hello.exe",
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}/../../../build/playz/v0.11/hello",
            "environment": []
        }
    ]
}

后记

其实不管是Windows、WSL、还是Remote Linux，只要安装了插件和工具链，都是可以开发且调试的

使用vcpkg

2023年12月27日 · 2分钟阅读

xkyii

鱼猫大脚

资料

安装

官方文档里面说到是要去拉源码并编译:

git clone https://github.com/microsoft/vcpkg.git

但是我发现VS2022安装完C++的部分之后，自己就安装了vcpkg，并且在Developer Command Prompt for VS2022中自动配置环境变量，所以使用VS2022是自动支持的。

但是项目属性中如果需要有配置菜单，需要：

vcpkg integrate install

其他的按照官方文档来就可以了

清单方式

# 建立vcpkg配置
vcpkg new --application

# 添加依赖
vcpkg add port fmt

CMake + vcpkg

清单

执行vcpkg new --application之后就会生成清单文件vcpkg.json

编辑文件增加依赖, 例如:

{
  "dependencies": [
    {
      "name": "nlohmann-json",
      "version>=": "3.11.3"
    }
  ]
}

安装

执行vcpkg install,会按照清单文件按照依赖,成功时会有类似以下提示:

The package nlohmann-json provides CMake targets:  
  
find_package(nlohmann_json CONFIG REQUIRED)  
target_link_libraries(main PRIVATE nlohmann_json::nlohmann_json)  
  
The package nlohmann-json can be configured to not provide implicit conversions via a custom triplet file:  
  
set(nlohmann-json_IMPLICIT_CONVERSIONS OFF)  
  
For more information, see the docs here:  
  
https://json.nlohmann.me/api/macros/json_use_implicit_conversions/

速度把其中CMake相关的内容添加到CMakeLists.txt文件里面, 如:

# 将源代码添加到此项目的可执行文件。
add_executable (mlcache "mlcache.cpp" "mlcache.h" "Cache.cpp" "Cache.h"  "demo/User.h"  "demo/Config.h")

# 增加的这一段
find_package(nlohmann_json CONFIG REQUIRED)
target_link_libraries(main PRIVATE nlohmann_json::nlohmann_json)

if (CMAKE_VERSION VERSION_GREATER 3.12)
  set_property(TARGET mlcache PROPERTY CXX_STANDARD 11)
endif()

这样头文件也能正确找到了

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ssh

账号

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工程

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问题

fatal error: release.h: No such file or directory

连接IP不对

取消保护模式

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重复类型

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automoss

jplag

pmd

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docker compose

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entrypoint

setup

run

自定义

覆盖etcd_initialize

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插件

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C/C++

Zig

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后记

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