oaptt搭建http服务的过程详解

sudo apt install git
sudo apt install cmake
sudo apt install build-essential

git clone https://github.com/oatpp/oatpp.git

cd oatpp/
mkdir build && cd build
cmake ..
sudo make && sudo make install

cmake_minimum_required(VERSION 3.1)
project(helloworld)

set(CMAKE_CXX_STANDARD 11)
set(SOURCE_FILES main.cpp handler.h)
# 查找 oatpp 依赖
find_package(oatpp REQUIRED)
add_executable(${PROJECT_NAME} ${SOURCE_FILES})
# 将目标文件与库文件进行链接
target_link_libraries(${PROJECT_NAME} oatpp::oatpp)

// handler.h
#ifndef HANDLER_H
#define HANDLER_H
 
#include "oatpp/web/server/HttpRequestHandler.hpp"
#define O_UNUSED(x) (void)x;
// 自定义请求处理程序
class Handler : public oatpp::web::server::HttpRequestHandler
{
public:
    // 处理传入的请求，并返回响应
    std::shared_ptr<OutgoingResponse> handle(const std::shared_ptr<IncomingRequest>& request) override {
        O_UNUSED(request);
        return ResponseFactory::createResponse(Status::CODE_200, "Hello, World!");
    }
};
#endif // HANDLER_H

// main.cpp
#include "oatpp/web/server/HttpConnectionHandler.hpp"
#include "oatpp/network/tcp/server/ConnectionProvider.hpp"
#include "oatpp/network/Server.hpp"
#include "handler.h"
 
void run()
{
    // 为 HTTP 请求创建路由器
    auto router = oatpp::web::server::HttpRouter::createShared();
    // 路由 GET - "/hello" 请求到处理程序
    router->route("GET", "/hello", std::make_shared<Handler>());
    // 创建 HTTP 连接处理程序
    auto connectionHandler = oatpp::web::server::HttpConnectionHandler::createShared(router);
    // 创建 TCP 连接提供者
    auto connectionProvider = oatpp::network::tcp::server::ConnectionProvider::createShared({"0.0.0.0", 8080, oatpp::network::Address::IP_4});
    // 创建服务器，它接受提供的 TCP 连接并将其传递给 HTTP 连接处理程序
    oatpp::network::Server server(connectionProvider, connectionHandler);
    // 打印服务器端口
    OATPP_LOGI("MyApp", "Server running on port %s", connectionProvider->getProperty("port").getData());
    // 运行服务器
    server.run();
}
int main()
    // 初始化 oatpp 环境
    oatpp::base::Environment::init();
    // 运行应用
    run();
    // 销毁 oatpp 环境
    oatpp::base::Environment::destroy();
    return 0;

mkdir build
cd build
cmake ..
make
./helloworld

cmake_minimum_required(VERSION 3.1)
project(helloworld)

set(CMAKE_CXX_STANDARD 11)
set(SOURCE_FILES main.cpp handler.h)

# 查找 oatpp 依赖
find_package(oatpp REQUIRED)

add_executable(${PROJECT_NAME} ${SOURCE_FILES})

# 将目标文件与库文件进行链接
target_link_libraries(${PROJECT_NAME} oatpp::oatpp)

// handler.h
#ifndef HANDLER_H
#define HANDLER_H

#include "oatpp/web/server/HttpRequestHandler.hpp"
#include "oatpp/web/protocol/http/incoming/Response.hpp"
#include<fcntl.h>
#include<unistd.h>
#include <sys/stat.h>
#include <unistd.h>

#define O_UNUSED(x) (void)x;

#define XML_INFO "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\" ?>"
// 自定义请求处理程序
class Handler : public oatpp::web::server::HttpRequestHandler
{
public:
    // 处理传入的请求，并返回响应
    std::shared_ptr<OutgoingResponse> handle(const std::shared_ptr<IncomingRequest>& request) override {
        // O_UNUSED(request);
        OATPP_LOGI("MyApp", "new connect..");
        // printf("method:%d");
        int fileFd = open("../test.xml",O_RDONLY);
        if(fileFd < 0)
            return 0;
        //获取文件大小
        struct stat fileStat;
        fstat(fileFd, &fileStat);
        int fileSize = fileStat.st_size;
        printf("fd:%d ,file size %d\n ", fileFd ,fileStat.st_size);
        //申请空间存储xml数据
        char buf[1024 * 5];
        memset(buf,'\0',sizeof(buf));
        read(fileFd,buf,sizeof(buf));
        
        printf("new connect..\n");
        printf("buf:%s\n\n",buf);
        //创建响应并添加请求头
        std::shared_ptr<OutgoingResponse> resp = ResponseFactory::createResponse(Status::CODE_200, buf);
        resp->putHeader("Content-Type","application/soap+xml; charset=utf-8; action=\"http://www.onvif.org/ver20/media/wsdl/GetOSDs\"");
        // resp->putHeader("charset","utf-8");
        // resp->putHeader("action","\"http://www.onvif.org/ver20/media/wsdl/GetOSDs\"");
        resp->putHeader("X-Frame-Options","SAMEORIGIN");

        close(fileFd);
        return resp;    //响应请求
    }
};

#endif // HANDLER_H

// main.cpp
#include "oatpp/web/server/HttpConnectionHandler.hpp"
#include "oatpp/network/tcp/server/ConnectionProvider.hpp"
#include "oatpp/network/Server.hpp"
#include "handler.h"

void run()
{
    // 为 HTTP 请求创建路由器
    auto router = oatpp::web::server::HttpRouter::createShared();
    // 路由 GET - "/hello" 请求到处理程序
    router->route("POST", "/onvif/Media2", std::make_shared<Handler>());
    // 创建 HTTP 连接处理程序
    auto connectionHandler = oatpp::web::server::HttpConnectionHandler::createShared(router);
    // 创建 TCP 连接提供者
    auto connectionProvider = oatpp::network::tcp::server::ConnectionProvider::createShared({"0.0.0.0", 7681, oatpp::network::Address::IP_4});
    // 创建服务器，它接受提供的 TCP 连接并将其传递给 HTTP 连接处理程序
    oatpp::network::Server server(connectionProvider, connectionHandler);
    // 打印服务器端口
    OATPP_LOGI("MyApp", "Server running on port %s", connectionProvider->getProperty("port").getData());
    // 运行服务器
    server.run();
}
int main()
    // 初始化 oatpp 环境
    oatpp::base::Environment::init();
    // 运行应用
    run();
    // 销毁 oatpp 环境
    oatpp::base::Environment::destroy();
    return 0;

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Header></SOAP-ENV:Header>
<SOAP-ENV:Body>
    <media2:GetOSDsResponse>
    </media2:GetOSDsResponse>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>