用最简单的方式实现基于libevent框架的http client客户端

来源：互联网发布：知乎南北战争编辑：程序博客网时间：2024/05/18 03:06

#include <event2/event_struct.h>#include <event2/event.h>#include <event2/bufferevent.h>#include <event2/http.h>#include <evhttp.h>void http_request_done(struct evhttp_request *req, void *arg){    printf("send request ok...\n");    size_t len = evbuffer_get_length(req->input_buffer);    unsigned char * str = evbuffer_pullup(req->input_buffer, len);    char buf[256] = { 0 };    memcpy(buf, str, len);    if(str == NULL)    {        printf("len = %d, str == NULL\n", len);    }    else    {        printf("len = %d, str = %s\n", len, buf);    }    event_base_loopbreak((struct event_base*)arg);}int main(){    struct event_base* base;    struct evhttp_connection* conn;    struct evhttp_request* req;    base = event_base_new();    //conn = evhttp_connection_new(base, NULL, "192.168.1.109", 8081);    conn = evhttp_connection_new("192.168.1.109", 8081);    evhttp_connection_set_base(conn, base);    req = evhttp_request_new(http_request_done, base);    evhttp_add_header(req->output_headers, "Host", "localhost");    evhttp_make_request(conn, req, EVHTTP_REQ_GET, "/test");    evhttp_connection_set_timeout(req->evcon, 600);    event_base_dispatch(base);    evhttp_connection_free(conn);    event_base_free(base);    printf("run over...\n");    return 0;}

服务端程序参考我之前的服务端代码服务端代码

0 0