windows下編譯及使用libevent

標籤：contains   soc   使用   reason   提示   fprintf   his   turn   thread   

Libevent官網：http://libevent.org/

windows 7下編譯：

編譯環境： windows 7 + VS2010

（1）解壓libevent到F:\libevent\libevent-2.0.21-stable

（2）開啟Microsoft visual studio 2010命令列工具

（3）修改以下三個檔案，添加宏定義：

在以下3個檔案開頭添加“#define _WIN32_WINNT 0x0500”

libevent-2.0.21-stable\event_iocp.c

libevent-2.0.21-stable\evthread_win32.c

libevent-2.0.21-stable\listener.c

（4）使用VS命令提示工具編譯：

cd/d F:\libevent\libevent-2.0.21-stable

nmake /f Makefile.nmake

（5）編譯結果：

libevent_core.lib：All core event and buffer functionality. This library contains all the event_base, evbuffer, bufferevent, and utility functions.

libevent_extras.lib：This library defines protocol-specific functionality that you may or may not want for your application, including HTTP, DNS, and RPC.

libevent.lib：This library exists for historical reasons; it contains the contents of both libevent_core and libevent_extra. You shouldn’t use it; it may go away in a future version of Libevent.

（6）VS2010下使用lib

建立一個VC++控制台項目：

環境配置：

項目下建一個Lib目錄，將上面三個lib檔案copy到該目錄下。

建立一個Include目錄，將F:\libevent\libevent-2.0.21-stable\include下的檔案和檔案夾copy到該目錄下，F:\libevent\libevent-2.0.21-stable\WIN32-Code下的檔案copy到該目錄下，2個event2目錄下的檔案可合并一起。

main代碼：

  1 // LibeventTest.cpp : 定義控制台應用程式的進入點。  2 //  3   4 #include "stdafx.h"  5   6 #include <string.h>  7 #include <errno.h>  8 #include <stdio.h>  9 #include <signal.h> 10  11 #ifndef WIN32 12 #include <netinet/in.h> 13 # ifdef _XOPEN_SOURCE_EXTENDED 14 #  include <arpa/inet.h> 15 # endif 16 #include <sys/socket.h> 17 #endif 18  19 #include "event2/bufferevent.h" 20 #include "event2/buffer.h" 21 #include "event2/listener.h" 22 #include "event2/util.h" 23 #include "event2/event.h" 24  25 #include <WinSock2.h> 26  27 static const char MESSAGE[] = "Hello, World!\n"; 28  29 static const int PORT = 9995; 30  31  32 static void conn_writecb(struct bufferevent *bev, void *user_data) 33 { 34     struct evbuffer *output = bufferevent_get_output(bev); 35     if (evbuffer_get_length(output) == 0)  36     { 37         printf("flushed answer\n"); 38         bufferevent_free(bev); 39     } 40 } 41  42 static void conn_eventcb(struct bufferevent *bev, short events, void *user_data) 43 { 44     if (events & BEV_EVENT_EOF)  45     { 46         printf("Connection closed.\n"); 47     }  48     else if (events & BEV_EVENT_ERROR)  49     { 50         printf("Got an error on the connection: %s\n", 51             strerror(errno));/*XXX win32*/ 52     } 53     /* None of the other events can happen here, since we haven‘t enabled 54      * timeouts */ 55     bufferevent_free(bev); 56 } 57  58 static void signal_cb(evutil_socket_t sig, short events, void *user_data) 59 { 60     struct event_base *base = (struct event_base *)user_data; 61     struct timeval delay = { 2, 0 }; 62  63     printf("Caught an interrupt signal; exiting cleanly in two seconds.\n"); 64  65     event_base_loopexit(base, &delay); 66 } 67  68 static void listener_cb(struct evconnlistener *listener, evutil_socket_t fd, 69     struct sockaddr *sa, int socklen, void *user_data) 70 { 71     struct event_base *base = (struct event_base *)user_data; 72     struct bufferevent *bev; 73  74     bev = bufferevent_socket_new(base, fd, BEV_OPT_CLOSE_ON_FREE); 75     if (!bev)  76     { 77         fprintf(stderr, "Error constructing bufferevent!"); 78         event_base_loopbreak(base); 79         return; 80     } 81     bufferevent_setcb(bev, NULL, conn_writecb, conn_eventcb, NULL); 82     bufferevent_enable(bev, EV_WRITE); 83     bufferevent_disable(bev, EV_READ); 84  85     bufferevent_write(bev, MESSAGE, strlen(MESSAGE)); 86 } 87  88 int main(int argc, char **argv) 89 { 90     struct event_base *base; 91     struct evconnlistener *listener; 92     struct event *signal_event; 93  94     struct sockaddr_in sin; 95  96 #ifdef WIN32 97     WSADATA wsa_data; 98     WSAStartup(0x0201, &wsa_data); 99 #endif100 101     base = event_base_new();102     if (!base) 103     {104         fprintf(stderr, "Could not initialize libevent!\n");105         return 1;106     }107 108     memset(&sin, 0, sizeof(sin));109     sin.sin_family = AF_INET;110     sin.sin_port = htons(PORT);111 112     listener = evconnlistener_new_bind(base, listener_cb, (void *)base,113         LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_FREE, -1,114         (struct sockaddr*)&sin,115         sizeof(sin));116 117     if (!listener) 118     {119         fprintf(stderr, "Could not create a listener!\n");120         return 1;121     }122 123     signal_event = evsignal_new(base, SIGINT, signal_cb, (void *)base);124 125     if (!signal_event || event_add(signal_event, NULL)<0) 126     {127         fprintf(stderr, "Could not create/add a signal event!\n");128         return 1;129     }130 131     event_base_dispatch(base);132 133     evconnlistener_free(listener);134     event_free(signal_event);135     event_base_free(base);136 137     printf("done\n");138     return 0;139 }

項目屬性設定：

VC++目錄：

包含目錄，添加：F:\Projects\LibeventTest\LibeventTest\Include;

庫目錄，添加：F:\Projects\LibeventTest\LibeventTest\Lib;

C/C++：

代碼產生-->運行庫：多線程調試 (/MTd)（Debug下），多線程 (/MT)（Release下）

連接器：

輸入：ws2_32.lib;wsock32.lib;libevent.lib;libevent_core.lib;libevent_extras.lib;

ws2_32.lib;wsock32.lib;是用來編譯Windows網路相關的程式庫。

編譯，產生！

編譯好的libevent lib下載 

 

windows下編譯及使用libevent