webserver.cpp

#include "webserver.h"

WebServer::WebServer()
{
    users = new http_conn[MAX_FD];

    // root文件夹路径
    char server_path[200];
    getcwd(server_path, 200);
    char root[6] = "/root";
    m_root = (char *)malloc(strlen(server_path) + strlen(root) + 1);
    strcpy(m_root, server_path);
    strcat(m_root, root);

    // 定时器
    users_timer = new client_data[MAX_FD];
}

WebServer::~WebServer()
{
    close(m_epollfd);
    close(m_listenfd);
    close(m_pipefd[1]);
    close(m_pipefd[0]);
    delete[] users;
    delete users_timer;
    delete m_pool;
}

void WebServer::init(int port, string user, string passWord, string databaseName, int log_write,
                     int opt_linger, int trigmode, int sql_num, int thread_num, int close_log, int actor_model)
{
    m_port = port;
    m_user = user;
    m_passWord = passWord;
    m_databaseName = databaseName;
    m_sql_num = sql_num;
    m_thread_num = thread_num;
    m_log_write = log_write;
    m_OPT_LINGER = opt_linger;
    m_TRIGMode = trigmode;
    m_close_log = close_log;
    m_actormodel = actor_model;
}

void WebServer::trig_mode()
{
    // LT + LT
    if (0 == m_TRIGMode)
    {
        m_LISTENTrigmode = 0;
        m_CONNTrigmode = 0;
    }
    // LT + ET
    else if (1 == m_TRIGMode)
    {
        m_LISTENTrigmode = 0;
        m_CONNTrigmode = 1;
    }
    // ET + LT
    else if (2 == m_TRIGMode)
    {
        m_LISTENTrigmode = 1;
        m_CONNTrigmode = 0;
    }
    // ET + ET
    else if (3 == m_TRIGMode)
    {
        m_LISTENTrigmode = 1;
        m_CONNTrigmode = 1;
    }
}

void WebServer::log_write()
{
    if (0 == m_close_log)
    {
        // 初始化日志
        if (1 == m_log_write)
        {
            Log::get_instance()->init("./ServerLog", m_close_log, 2000, 800000, 800);
        }
        else
        {
            Log::get_instance()->init("./ServerLog", m_close_log, 2000, 800000, 0);
        }
    }
}

void WebServer::sql_pool()
{
    // 初始化数据库连接池
    m_connPool = connection_pool::GetInstance();
    m_connPool->init("localhost", m_user, m_passWord, m_databaseName, 3306, m_sql_num, m_close_log);

    // 初始化数据库读取表
    users->initmysql_result(m_connPool);
}

void WebServer::thread_pool()
{
    m_pool = new threadpool<http_conn>(m_actormodel, m_connPool, m_thread_num);
}

void WebServer::eventListen()

{
    m_listenfd = socket(PF_INET, SOCK_STREAM, 0);
    assert(m_listenfd >= 0);

    // 优雅关闭连接
    if (0 == m_OPT_LINGER) // 表示立即关闭套接字，不等待未发送的数据。
    {
        struct linger tmp = {0, 1};
        setsockopt(m_listenfd, SOL_SOCKET, SO_LINGER, &tmp, sizeof(tmp));
    }
    else if (1 == m_OPT_LINGER) // 表示在关闭时等待，确保所有数据发送完成。
    {
        struct linger tmp = {1, 1};
        setsockopt(m_listenfd, SOL_SOCKET, SO_LINGER, &tmp, sizeof(tmp));
    }

    int ret = 0;
    struct sockaddr_in address;
    bzero(&address, sizeof(address));
    address.sin_family = AF_INET;
    address.sin_addr.s_addr = htonl(INADDR_ANY);
    address.sin_port = htons(m_port);

    int flag = 1;
    setsockopt(m_listenfd, SOL_SOCKET, SO_REUSEADDR, &flag, szieof(flag));
    ret = bind(m_listenfd, (struct sockaddr *)&address, sizeof(address));
    assert(ret >= 0);
    ret = listen(m_listenfd, 5);
    assert(ret >= 0);

    utils.init(TIMESLOT);

    // epoll创建内核事件表
    epoll_event events[MAX_EVENT_NUMBER];
    m_epollfd = epoll_create(5);
    assert(m_epollfd != -1);

    utils.addfd(m_epollfd, m_listenfd, false, m_LISTENTrigmode);
    http_conn::m_epollfd = m_epollfd;

    ret = socketpair(PF_UNIX, SOCK_STREAM, 0, m_pipefd);
    assert(ret != -1);
    utils.setnonblocking(m_pipefd[1]);
    utils.addfd(m_epollfd, m_pipefd[0], false, 0);

    utils.addsig(SIGPIPE, SIG_IGN);
    utils.addsig(SIGALRM, utils.sig_handler, false);
    utils.addsig(SIGTERM, utils.sig_handler, false);

    alarm(TIMESLOT);

    Utils::u_pipefd = m_pipefd;
    Utils::u_epollfd = m_epollfd;
}

void WebServer::timer(int connfd, struct sockaddr_in client_address)