grpc简介

gRPC是Google开发的一种高性能、开源的远程过程调用（RPC）框架。它可以让客户端应用程序像调用本地服务一样轻松地调用远程服务，并提供了多种语言的支持，如C++、Java、Python、Go等。

gRPC使用Protocol Buffers作为数据格式，可以在不同的平台上进行应用程序之间的通信，支持多种编程语言和多种操作系统。它采用基于HTTP/2的协议，提供了高效、快速且可扩展的远程调用功能，并带有负载均衡、认证、监控等功能，方便用户管理和维护分布式系统。

gRPC可用于构建各种类型的分布式应用程序，如微服务、云原生应用程序、大规模Web应用程序、移动应用程序等场景。由于其高性能和可扩展性，越来越多的企业和组织开始采用gRPC来构建他们的应用程序和服务。

grpc下载

由于国内环境，grpc下载极其困难，grpc项目在github上，源码地址为https://github.com/grpc/grpc,我们可以通过如下命令克隆grpc源码进行编译

git clone https://github.com/grpc/grpc.git 
git submodule update  --init

但是国内网络环境执行submodule update时会失败,所以可以用国内的代码管理工具gitee进行克隆。注意,目前在Gitee上只能找到gRPC依赖的部分"官方"镜像仓库,网友提供的镜像仓库较旧,因而只能构造v1.34.0版本.通过上述指令可以将v1.34.0版本的gRPC代码下载到grpc目录. 我们选择一个稳定的分支进行克隆

git clone -b v1.34.0 https://gitee.com/mirrors/grpc-framework.git grpc

克隆之后，我们进入grpc文件夹，修改.gitmodules内仓库地址，修改前.gitmodules内容是这样的

[submodule "third_party/zlib"]
    path = third_party/zlib
    #url = https://github.com/madler/zlib
    url = https://gitee.com/mirrors/zlib.git
    # When using CMake to build, the zlib submodule ends up with a
    # generated file that makes Git consider the submodule dirty. This
    # state can be ignored for day-to-day development on gRPC.
    ignore = dirty
[submodule "third_party/protobuf"]
    path = third_party/protobuf
    #url = https://github.com/google/protobuf.git
    url = https://gitee.com/local-grpc/protobuf.git
[submodule "third_party/googletest"]
    path = third_party/googletest
    #url = https://github.com/google/googletest.git
    url = https://gitee.com/local-grpc/googletest.git
[submodule "third_party/benchmark"]
    path = third_party/benchmark
    #url = https://github.com/google/benchmark
    url = https://gitee.com/mirrors/google-benchmark.git
[submodule "third_party/boringssl-with-bazel"]
    path = third_party/boringssl-with-bazel
    #url = https://github.com/google/boringssl.git
    url = https://gitee.com/mirrors/boringssl.git
[submodule "third_party/re2"]
    path = third_party/re2
    #url = https://github.com/google/re2.git
    url = https://gitee.com/local-grpc/re2.git
[submodule "third_party/cares/cares"]
    path = third_party/cares/cares
    #url = https://github.com/c-ares/c-ares.git
    url = https://gitee.com/mirrors/c-ares.git
    branch = cares-1_12_0
[submodule "third_party/bloaty"]
    path = third_party/bloaty
    #url = https://github.com/google/bloaty.git
    url = https://gitee.com/local-grpc/bloaty.git
[submodule "third_party/abseil-cpp"]
    path = third_party/abseil-cpp
    #url = https://github.com/abseil/abseil-cpp.git
    url = https://gitee.com/mirrors/abseil-cpp.git
    branch = lts_2020_02_25
[submodule "third_party/envoy-api"]
    path = third_party/envoy-api
    #url = https://github.com/envoyproxy/data-plane-api.git
    url = https://gitee.com/local-grpc/data-plane-api.git
[submodule "third_party/googleapis"]
    path = third_party/googleapis
    #url = https://github.com/googleapis/googleapis.git
    url = https://gitee.com/mirrors/googleapis.git
[submodule "third_party/protoc-gen-validate"]
    path = third_party/protoc-gen-validate
    #url = https://github.com/envoyproxy/protoc-gen-validate.git
    url = https://gitee.com/local-grpc/protoc-gen-validate.git
[submodule "third_party/udpa"]
    path = third_party/udpa
    #url = https://github.com/cncf/udpa.git
    url = https://gitee.com/local-grpc/udpa.git
[submodule "third_party/libuv"]
    path = third_party/libuv
    #url = https://github.com/libuv/libuv.git
    url = https://gitee.com/mirrors/libuv.git

gRPC的依赖是通过git的submodules来关联的,代码下载下来之后可以看到.gitmodules文件,内部的git仓库地址都需要替换成Gitee的,例如:

[submodule "third_party/zlib"]
    path = third_party/zlib
    url = https://github.com/madler/zlib
    # When using CMake to build, the zlib submodule ends up with a
    # generated file that makes Git consider the submodule dirty. This
    # state can be ignored for day-to-day development on gRPC.
    ignore = dirty

使用了zlib,在Gitee上搜索其代码仓库为https://gitee.com/mirrors/zlib,可以使用如下指令clone:

git clone https://gitee.com/mirrors/zlib.git

因而替换成:

[submodule "third_party/zlib"]
    path = third_party/zlib
    #url = https://github.com/madler/zlib
    url = https://gitee.com/mirrors/zlib.git
    # When using CMake to build, the zlib submodule ends up with a
    # generated file that makes Git consider the submodule dirty. This
    # state can be ignored for day-to-day development on gRPC.
    ignore = dirty

通过这种方法可以找到部分依赖库的最新镜像仓库,但是有一些找不到最新的,例如protobuf等库,用户local-grpc提供了gRPC依赖的全部代码仓库,可以使用这些仓库(注意代码不是同步镜像,导致gRPC只能构造相应版本),其中protobuf链接为:

https://gitee.com/local-grpc/protobuf.git

这里将.gitmodules修改为如下内容即可:

[submodule "third_party/zlib"]
    path = third_party/zlib
    #url = https://github.com/madler/zlib
    url = https://gitee.com/mirrors/zlib.git
    # When using CMake to build, the zlib submodule ends up with a
    # generated file that makes Git consider the submodule dirty. This
    # state can be ignored for day-to-day development on gRPC.
    ignore = dirty
[submodule "third_party/protobuf"]
    path = third_party/protobuf
    #url = https://github.com/google/protobuf.git
    url = https://gitee.com/local-grpc/protobuf.git
[submodule "third_party/googletest"]
    path = third_party/googletest
    #url = https://github.com/google/googletest.git
    url = https://gitee.com/local-grpc/googletest.git
[submodule "third_party/benchmark"]
    path = third_party/benchmark
    #url = https://github.com/google/benchmark
    url = https://gitee.com/mirrors/google-benchmark.git
[submodule "third_party/boringssl-with-bazel"]
    path = third_party/boringssl-with-bazel
    #url = https://github.com/google/boringssl.git
    url = https://gitee.com/mirrors/boringssl.git
[submodule "third_party/re2"]
    path = third_party/re2
    #url = https://github.com/google/re2.git
    url = https://gitee.com/local-grpc/re2.git
[submodule "third_party/cares/cares"]
    path = third_party/cares/cares
    #url = https://github.com/c-ares/c-ares.git
    url = https://gitee.com/mirrors/c-ares.git
    branch = cares-1_12_0
[submodule "third_party/bloaty"]
    path = third_party/bloaty
    #url = https://github.com/google/bloaty.git
    url = https://gitee.com/local-grpc/bloaty.git
[submodule "third_party/abseil-cpp"]
    path = third_party/abseil-cpp
    #url = https://github.com/abseil/abseil-cpp.git
    url = https://gitee.com/mirrors/abseil-cpp.git
    branch = lts_2020_02_25
[submodule "third_party/envoy-api"]
    path = third_party/envoy-api
    #url = https://github.com/envoyproxy/data-plane-api.git
    url = https://gitee.com/local-grpc/data-plane-api.git
[submodule "third_party/googleapis"]
    path = third_party/googleapis
    #url = https://github.com/googleapis/googleapis.git
    url = https://gitee.com/mirrors/googleapis.git
[submodule "third_party/protoc-gen-validate"]
    path = third_party/protoc-gen-validate
    #url = https://github.com/envoyproxy/protoc-gen-validate.git
    url = https://gitee.com/local-grpc/protoc-gen-validate.git
[submodule "third_party/udpa"]
    path = third_party/udpa
    #url = https://github.com/cncf/udpa.git
    url = https://gitee.com/local-grpc/udpa.git
[submodule "third_party/libuv"]
    path = third_party/libuv
    #url = https://github.com/libuv/libuv.git
    url = https://gitee.com/mirrors/libuv.git

使用如下指令拉取gRPC所有依赖:

cd grpc
git submodule update --init

编译grpc

CMake安装

为了编译grpc，我们需要下载cmake，cmake是一个跨平台编译工具，在之前我们编译protobuf时已经下载过了，这里再次介绍一下 CMake是一个跨平台的开源构建工具，可以用于自动化构建、测试和打包C++代码。与其他构建工具相比，CMake的优点之一是它的配置文件具有可读性和可维护性，而且支持多种编译器、操作系统和构建工具。

我们要在windows上生成protobuf对应的库，就需要用到cmake。官方下载地址https://cmake.org/download/，选择Windows Source下载。由于官方下载较慢，可以去我的网盘下载 https://pan.baidu.com/s/1Yg9Usdc3T-CYhyr9GiePCw?pwd=ng6x

验证码ng6x

NASM

编译grpc需要准备nasm,所以也要下载nasm, 下载地址为https://www.nasm.us/,点击下载指定版本，安装即可，记得安装后把安装的路径配置在环境变量里，我的装载了C盘环境变量配置如下

有部分博主说要安装go和perl，我感觉不需要，但是我的电脑里确实有开发环境，这里还是告诉大家如何安装go和Perl

Go安装

windows环境下下载go，地址https://studygolang.com/dl。选择我们对应系统的安装包下载即可。一路下载安装，最后go会自动写入我们的环境变量。 Linux可以选择手动安装二进制包再配置环境变量。安装好后，因为go的库包默认在外网，下载很慢，所以要切换代理

go env -w GOPROXY=https://goproxy.cn,direct  # 设置代理，国内网络开启

Perl安装

Perl安装可以去官网下载https://www.activestate.com/products/perl/，并按照提示一步步安装，也可以去网盘下载，直接安装，网盘地址https://pan.baidu.com/s/1i3GLKAp

编译grpc

接下来我们需要用CMake编译grpc来生成我们需要的visual studio 项目

1是grpc源码目录 2是grpc生成的visual studio项目目录 3 是我们要生成哪些项目。

我们先点击啊config进行配置，此时弹出对话框，我的visual studio版本是2019的，所以我选择编译生成visual studio2019的工程。接下来点击generate生成项目，大约几分钟可以生成，生成成功后我们点击open project打开工程，此时就是用visual sutido 2019打开grpc工程了。接下来我们设置编译平台为64位，选择Debug模式，这里大家尽量编译Release版，Release版压缩的更好一点。选择All项目进行全量编译，编译后就可以在Debug或Release文件夹找到对应生成的库文件和exe了。

总结

本文介绍了windows环境下如何配置grpc项目和编译生成我们需要的库。如果大家还是不能顺利生成编译所需的库，可以用我的，这个源码在linux和windows都能用，源码包括第三方库都下载好了，网盘地址： https://pan.baidu.com/s/1BBaAZ8-R-GSxxcy2s7TRWA?pwd=ybno 提取码：ybno

windows编译grpc

grpc简介

grpc下载

编译grpc

CMake安装

NASM

Go安装

Perl安装

编译grpc

总结

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