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177 lines
3.8 KiB
177 lines
3.8 KiB
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#include <iostream>
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#include <event2/http.h>
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#include<event2/event.h>
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#include <event2/listener.h>
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#include <event2/keyvalq_struct.h>
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#include <event2/buffer.h>
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#include <string.h>
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#ifndef _WIN32
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#include <signal.h>
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#include "test_http_server.h"
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#endif // !_WIN32
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using namespace std;
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#define WEBROOT "."
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#define DEFAULTINDEX "index.html"
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void http_cb(struct evhttp_request* request, void *arg) {
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cout << "http_cb" << endl;
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//1 获取浏览器请求信息
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//url
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const char* uri = evhttp_request_get_uri(request);
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cout << "uri:" << uri << endl;
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//获取请求类型Get Post
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string cmdtype;
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evhttp_cmd_type type = evhttp_request_get_command(request);
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switch (type)
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{
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case EVHTTP_REQ_GET:
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cout << "EVHTTP_REQ_GET" << endl;
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break;
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case EVHTTP_REQ_POST:
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break;
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case EVHTTP_REQ_HEAD:
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break;
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case EVHTTP_REQ_PUT:
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break;
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case EVHTTP_REQ_DELETE:
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break;
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case EVHTTP_REQ_OPTIONS:
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break;
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case EVHTTP_REQ_TRACE:
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break;
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case EVHTTP_REQ_CONNECT:
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break;
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case EVHTTP_REQ_PATCH:
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break;
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default:
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break;
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}
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//消息报头
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evkeyvalq *headers = evhttp_request_get_input_headers(request);
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cout << "========headers========\n" << endl;
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for (evkeyval *p = headers->tqh_first; p != NULL; p = p->next.tqe_next) {
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cout << p->key << ":" << p->value << endl;
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}
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//请求正文
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evbuffer*inbuf = evhttp_request_get_input_buffer(request);
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char buf[1024] = { 0 };
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cout << "=========Input data ===========" << endl;
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while (evbuffer_get_length(inbuf)) {
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int n = evbuffer_remove(inbuf, buf, sizeof(buf) - 1);
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if (n > 0) {
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buf[n] = '\0';
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cout << buf << endl;
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}
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}
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//2 回复浏览器
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//状态行 响应正文
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//消息报头
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evkeyvalq *outhead = evhttp_request_get_output_headers(request);
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//分析URI
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//设置根目录
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string filepath = WEBROOT;
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filepath += uri;
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if (strcmp(uri, "/") == 0) {
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filepath += DEFAULTINDEX;
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}
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//文件后缀
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int pos = filepath.rfind(".");
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string postfix = filepath.substr(pos+1,filepath.size() - (pos+1));
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if (postfix == "jpg" || postfix == "png" || postfix == "gif" || postfix == "ico") {
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string temp = "image/" + postfix;
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evhttp_add_header(outhead, "Content-Type", temp.c_str());
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}
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else if (postfix == "zip") {
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evhttp_add_header(outhead, "Content-Type", "application/zip");
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}
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else if (postfix == "html") {
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evhttp_add_header(outhead, "Content-Type", "text/html;charset=UTF8");
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}
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else if (postfix == "css") {
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evhttp_add_header(outhead, "Content-Type", "text/css");
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}
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FILE *fp = fopen(filepath.c_str(), "rb");
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if (!fp) {
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evhttp_send_reply(request, HTTP_NOTFOUND, "", 0);
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return;
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}
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evbuffer *outbuf = evhttp_request_get_output_buffer(request);
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for (;;) {
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int len = fread(buf, 1,sizeof(buf), fp);
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if (len <= 0)
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break;
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evbuffer_add(outbuf, buf, len);
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}
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fclose(fp);
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evhttp_send_reply(request, HTTP_OK, "", outbuf);
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}
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int main()
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{
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#ifdef _WIN32
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//初始化socket库
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WSADATA wsa;
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WSAStartup(MAKEWORD(2, 2), &wsa);
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#else
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if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) { //忽略管道信号，发送数据给已关闭的socket，会飞掉！
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return 1;
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}
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#endif
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//创建libevent上下文
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event_base* base = event_base_new();
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if (base) {
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std::cout << "test server" << "\n";
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}
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//http 服务器
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//1.创建evhttp上下文
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evhttp *evh = evhttp_new(base);
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//2.绑定端口、IP
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if (evhttp_bind_socket(evh, "0.0.0.0", 8080) != 0) {
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cout << "绑定失败" << endl;
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}
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//3. 设定回调函数
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evhttp_set_gencb(evh, http_cb, 0);
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if (base)
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event_base_dispatch(base); //事件分发处理
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if (base)
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event_base_free(base);
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if (evh)
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evhttp_free(evh);
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#if _WIN32
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WSACleanup();
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#endif // _WIN32
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return 0;
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}
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