摘要：
“，__LINE_）；return；}else｛size_tcopy_len=post_size˃BUF_MAX？BUF_MAX：post_size；printf（”===行：%d，postlen:%d，copy_len:%d“，__LINE__，post_size，copy_en）；memcpy（BUF，evbuffer_pullup（req-˃input_buffer，-1），copy_lun）；BUF[post_size]='
#include <cstdio> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "evhttp.h" #include "event.h" #include "event2/http.h" #include "event2/event.h" #include "event2/buffer.h" #include "event2/bufferevent.h" #include "event2/bufferevent_compat.h" #include "event2/http_struct.h" #include "event2/http_compat.h" #include "event2/util.h" #include "event2/listener.h"
int main() { struct evhttp *http_server = NULL; short http_port = 8081; char *http_addr = "0.0.0.0"; //初始化 event_init(); //启动http服务端 http_server = evhttp_start(http_addr, http_port); if (http_server == NULL) { printf("====line:%d,%s ", __LINE__, "http server start failed."); return -1; } //设置请求超时时间(s) evhttp_set_timeout(http_server, 5); //设置事件处理函数，evhttp_set_cb针对每一个事件(请求)注册一个处理函数， //区别于evhttp_set_gencb函数，是对所有请求设置一个统一的处理函数 evhttp_set_cb(http_server, "/post", http_handler_testpost_msg, NULL); evhttp_set_cb(http_server, "/get", http_handler_testget_msg, NULL); //循环监听 event_dispatch(); //实际上不会释放，代码不会运行到这一步 evhttp_free(http_server); return 0; }
//解析post请求数据 void get_post_message(char *buf, struct evhttp_request *req) { size_t post_size = 0; post_size = evbuffer_get_length(req->input_buffer);//获取数据长度 printf("====line:%d,post len:%d ", __LINE__, post_size); if (post_size <= 0) { printf("====line:%d,post msg is empty! ", __LINE__); return; } else { size_t copy_len = post_size > BUF_MAX ? BUF_MAX : post_size; printf("====line:%d,post len:%d, copy_len:%d ", __LINE__, post_size, copy_len); memcpy(buf, evbuffer_pullup(req->input_buffer, -1), copy_len); buf[post_size] = '