如何搭建C++的智慧交通环境 SUMO交通仿真集成

#include <iostream>
#include <string>
#include <vector>
#include <cstdlib> // For system()
#include <unistd.h> // For sleep()
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#define PORT 8813

int connect_to_sumo() {
    int sock = 0, valread;
    struct sockaddr_in serv_addr;
    if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
        printf("\n Socket creation error \n");
        return -1;
    }

    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(PORT);

    // Convert IPv4 and IPv6 addresses from text to binary form
    if(inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr)<=0) {
        printf("\nInvalid address/ Address not supported \n");
        return -1;
    }

    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
        printf("\nConnection Failed \n");
        return -1;
    }
    return sock;
}

std::string receive_message(int socket) {
    char buffer[1024] = {0};
    recv(socket, buffer, 1024, 0);
    return std::string(buffer);
}

void send_message(int socket, const std::string& message) {
    send(socket, message.c_str(), message.length(), 0);
}


int main() {
    // 启动SUMO仿真 (需要替换为你的SUMO启动命令)
    std::string sumo_command = "/usr/local/bin/sumo -c my_simulation.sumocfg --remote-port " + std::to_string(PORT);
    system(sumo_command.c_str());
    sleep(5); // 等待SUMO启动

    int socket = connect_to_sumo();
    if (socket < 0) {
        std::cerr << "Failed to connect to SUMO." << std::endl;
        return 1;
    }

    //  设置车辆 "veh0" 的速度为10 m/s
    std::string set_speed_command = "<meve xmlns=\"http://matsim.org/files/dtd\" type=\"UpdateRequest\">\n"
                                   "<request id=\"0\" version=\"1\">\n"
                                   "  <vehicle id=\"veh0\">\n"
                                   "    <laneChangeAction duration=\"1\" lane=\"0\" speed=\"10\" maxSpeed=\"10\" relativePosition=\"0\" priority=\"1\" />\n"
                                   "  </vehicle>\n"
                                   "</request>\n"
                                   "</meve>";

    send_message(socket, set_speed_command);
    std::string response = receive_message(socket);
    std::cout << "SUMO Response: " << response << std::endl;

    // 关闭连接
    close(socket);

    return 0;
}

my_simulation.sumocfg