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  • windows下编译Libevent

    下载最新的libevent,目前是

    libevent-2.0.21-stable.tar.gz

    修改“D:libevent-2.0.21-stableevent_iocp.c”、“D:libevent-2.0.21-stable evthread_win32.c”、“D:libevent-2.0.21-stablelistener.c”三个文件,在文件开头分别加上一 行:

    #define _WIN32_WINNT 0x0500

    在Makefile.nmake中的CFLAGS中加入/ZI选项,同时去掉/Ox优化选项,这样生成的lib库会带有调试信息 

    进入VS2010命令提示

    切换到libevent的所在目录

    nmake /f Makefile.nmake

    编译成功生成

    libevent.lib、libevent_core.lib、libevent_extras.lib

    复制include 和libs

    mkdir D:libeventinclude
    xcopy /E /H /R D:libevent-2.0.21-stableinclude* D:libeventinclude
    xcopy /E /H /R D:libevent-2.0.21-stableWIN32-Code* D:libeventinclude
    xcopy /E /H /R D:libevent-2.0.21-stable*.h D:libeventinclude
    mkdir d:libeventlibs
    copy D:libevent-2.0.21-stable*.lib D:libeventlibs

     新建vs2010控制台项目并使用以下代码

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    // libeventTest.cpp : Defines the entry point for the console application.
    //
     
    #include "stdafx.h"
    /*
     * XXX This sample code was once meant to show how to use the basic Libevent
     * interfaces, but it never worked on non-Unix platforms, and some of the
     * interfaces have changed since it was first written.  It should probably
     * be removed or replaced with something better.
     *
     * Compile with:
     * cc -I/usr/local/include -o event-test event-test.c -L/usr/local/lib -levent
     */
     
    #include <event2/event-config.h>
     
    #include <sys/types.h>
    #include <sys/stat.h>
    #ifndef WIN32
    #include <sys/queue.h>
    #include <unistd.h>
    #include <sys/time.h>
    #else
    #include <winsock2.h>
    #include <windows.h>
    #endif
    #include <fcntl.h>
    #include <stdlib.h>
    #include <stdio.h>
    #include <string.h>
    #include <errno.h>
     
    #include <event.h>
     
    static void
    fifo_read(int fd, short event, void *arg)
    {
    char buf[255];
    int len;
    struct event *ev = (struct event *)arg;
    #ifdef WIN32
    DWORD dwBytesRead;
    #endif
     
    /* Reschedule this event */
    event_add(ev, NULL);
     
    fprintf(stderr, "fifo_read called with fd: %d, event: %d, arg: %p ",
    fd, event, arg);
    #ifdef WIN32
    len = ReadFile((HANDLE)fd, buf, sizeof(buf) - 1, &dwBytesRead, NULL);
     
    /* Check for end of file. */
    if (len && dwBytesRead == 0) {
    fprintf(stderr, "End Of File");
    event_del(ev);
    return;
    }
     
    buf[dwBytesRead] = '';
    #else
    len = read(fd, buf, sizeof(buf) - 1);
     
    if (len == -1) {
    perror("read");
    return;
    else if (len == 0) {
    fprintf(stderr, "Connection closed ");
    return;
    }
     
    buf[len] = '';
    #endif
    fprintf(stdout, "Read: %s ", buf);
    }
     
    int
    main(int argc, char **argv)
    {
    struct event evfifo;
    #ifdef WIN32
    HANDLE socket;
    /* Open a file. */
    socket = CreateFileA("test.txt",    /* open File */
    GENERIC_READ,    /* open for reading */
    0,   /* do not share */
    NULL,    /* no security */
    OPEN_EXISTING,   /* existing file only */
    FILE_ATTRIBUTE_NORMAL,  /* normal file */
    NULL);   /* no attr. template */
     
    if (socket == INVALID_HANDLE_VALUE)
    return 1;
     
    #else
    struct stat st;
    const char *fifo = "event.fifo";
    int socket;
     
    if (lstat(fifo, &st) == 0) {
    if ((st.st_mode & S_IFMT) == S_IFREG) {
    errno = EEXIST;
    perror("lstat");
    exit(1);
    }
    }
     
    unlink(fifo);
    if (mkfifo(fifo, 0600) == -1) {
    perror("mkfifo");
    exit(1);
    }
     
    /* Linux pipes are broken, we need O_RDWR instead of O_RDONLY */
    #ifdef __linux
    socket = open(fifo, O_RDWR | O_NONBLOCK, 0);
    #else
    socket = open(fifo, O_RDONLY | O_NONBLOCK, 0);
    #endif
     
    if (socket == -1) {
    perror("open");
    exit(1);
    }
     
    fprintf(stderr, "Write data to %s ", fifo);
    #endif
    /* Initalize the event library */
    event_init();
     
    /* Initalize one event */
    #ifdef WIN32
    event_set(&evfifo, (int)socket, EV_READ, fifo_read, &evfifo);
    #else
    event_set(&evfifo, socket, EV_READ, fifo_read, &evfifo);
    #endif
     
    /* Add it to the active events, without a timeout */
    event_add(&evfifo, NULL);
     
    event_dispatch();
    #ifdef WIN32
    CloseHandle(socket);
    #endif
    return (0);
    }

    进入配置管理器,设置活动项目为release

    C++常规附加包含目录 .include;.includeevent2

    代码生成运行库 多线程 (/MT)
    高级编译为 编译为 C 代码 (/TC)

    链接器

    常规附加库目录 .libs
    输入附加依赖项 ws2_32.lib;wsock32.lib;libevent.lib;libevent_core.lib;libevent_extras.lib;%(AdditionalDependencies)
    输入忽略特定默认库 libc.lib;msvcrt.lib;libcd.lib;libcmtd.lib;msvcrtd.lib;%(IgnoreSpecificDefaultLibraries)

    haven2002标注:不用忽略也没事

    include文件夹下面,包含event2文件夹和一堆.h文件即可。用上面的命令,复制了一堆没用的东西。

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  • 原文地址:https://www.cnblogs.com/zzyoucan/p/3950427.html
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