mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-01 09:01:33 +08:00
735 lines
22 KiB
C++
735 lines
22 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#if !defined(_WIN32)
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#include <dirent.h>
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#endif //!defined(_WIN32)
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#include <stdio.h>
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#include <sys/stat.h>
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#include <algorithm>
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#include <iomanip>
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#include "Common/config.h"
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#include "strCoding.h"
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#include "HttpSession.h"
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#include "Util/File.h"
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#include "Util/util.h"
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#include "Util/TimeTicker.h"
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#include "Util/onceToken.h"
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#include "Util/mini.h"
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#include "Util/NoticeCenter.h"
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#include "Util/base64.h"
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#include "Util/SHA1.h"
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#include "Rtmp/utils.h"
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using namespace toolkit;
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namespace mediakit {
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static int kSockFlags = SOCKET_DEFAULE_FLAGS | FLAG_MORE;
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string dateStr() {
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char buf[64];
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time_t tt = time(NULL);
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strftime(buf, sizeof buf, "%a, %b %d %Y %H:%M:%S GMT", gmtime(&tt));
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return buf;
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}
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static const char*
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get_mime_type(const char* name) {
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const char* dot;
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dot = strrchr(name, '.');
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static HttpSession::KeyValue mapType;
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static onceToken token([&]() {
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mapType.emplace(".html","text/html");
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mapType.emplace(".htm","text/html");
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mapType.emplace(".mp4","video/mp4");
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mapType.emplace(".m3u8","application/vnd.apple.mpegurl");
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mapType.emplace(".jpg","image/jpeg");
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mapType.emplace(".jpeg","image/jpeg");
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mapType.emplace(".gif","image/gif");
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mapType.emplace(".png","image/png");
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mapType.emplace(".ico","image/x-icon");
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mapType.emplace(".css","text/css");
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mapType.emplace(".js","application/javascript");
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mapType.emplace(".au","audio/basic");
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mapType.emplace(".wav","audio/wav");
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mapType.emplace(".avi","video/x-msvideo");
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mapType.emplace(".mov","video/quicktime");
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mapType.emplace(".qt","video/quicktime");
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mapType.emplace(".mpeg","video/mpeg");
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mapType.emplace(".mpe","video/mpeg");
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mapType.emplace(".vrml","model/vrml");
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mapType.emplace(".wrl","model/vrml");
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mapType.emplace(".midi","audio/midi");
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mapType.emplace(".mid","audio/midi");
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mapType.emplace(".mp3","audio/mpeg");
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mapType.emplace(".ogg","application/ogg");
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mapType.emplace(".pac","application/x-ns-proxy-autoconfig");
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mapType.emplace(".flv","video/x-flv");
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}, nullptr);
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if(!dot){
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return "text/plain";
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}
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auto it = mapType.find(dot);
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if (it == mapType.end()) {
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return "text/plain";
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}
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return it->second.data();
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}
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HttpSession::HttpSession(const Socket::Ptr &pSock) : TcpSession(pSock) {
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//设置15秒发送超时时间
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pSock->setSendTimeOutSecond(15);
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//起始接收buffer缓存设置为4K，节省内存
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pSock->setReadBuffer(std::make_shared<BufferRaw>(4 * 1024));
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}
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HttpSession::~HttpSession() {
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//DebugL;
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}
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int64_t HttpSession::onRecvHeader(const char *header,uint64_t len) {
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typedef bool (HttpSession::*HttpCMDHandle)(int64_t &);
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static unordered_map<string, HttpCMDHandle> g_mapCmdIndex;
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static onceToken token([]() {
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g_mapCmdIndex.emplace("GET",&HttpSession::Handle_Req_GET);
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g_mapCmdIndex.emplace("POST",&HttpSession::Handle_Req_POST);
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}, nullptr);
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_parser.Parse(header);
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urlDecode(_parser);
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string cmd = _parser.Method();
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auto it = g_mapCmdIndex.find(cmd);
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if (it == g_mapCmdIndex.end()) {
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WarnL << cmd;
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sendResponse("403 Forbidden", makeHttpHeader(true), "");
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shutdown();
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return 0;
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}
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//默认后面数据不是content而是header
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int64_t content_len = 0;
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auto &fun = it->second;
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if(!(this->*fun)(content_len)){
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shutdown();
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}
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//清空解析器节省内存
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_parser.Clear();
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//返回content长度
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return content_len;
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}
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void HttpSession::onRecvContent(const char *data,uint64_t len) {
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if(_contentCallBack){
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if(!_contentCallBack(data,len)){
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_contentCallBack = nullptr;
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}
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}
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}
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void HttpSession::onRecv(const Buffer::Ptr &pBuf) {
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_ticker.resetTime();
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input(pBuf->data(),pBuf->size());
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}
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void HttpSession::onError(const SockException& err) {
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//WarnL << err.what();
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GET_CONFIG_AND_REGISTER(uint32_t,iFlowThreshold,Broadcast::kFlowThreshold);
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if(_ui64TotalBytes > iFlowThreshold * 1024){
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NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastFlowReport,
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_mediaInfo,
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_ui64TotalBytes,
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_ticker.createdTime()/1000,
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*this);
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}
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}
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void HttpSession::onManager() {
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GET_CONFIG_AND_REGISTER(uint32_t,keepAliveSec,Http::kKeepAliveSecond);
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if(_ticker.elapsedTime() > keepAliveSec * 1000){
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//1分钟超时
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WarnL<<"HttpSession timeouted!";
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shutdown();
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}
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}
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inline bool HttpSession::checkWebSocket(){
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auto Sec_WebSocket_Key = _parser["Sec-WebSocket-Key"];
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if(Sec_WebSocket_Key.empty()){
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return false;
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}
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auto Sec_WebSocket_Accept = encodeBase64(SHA1::encode_bin(Sec_WebSocket_Key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
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KeyValue headerOut;
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headerOut["Upgrade"] = "websocket";
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headerOut["Connection"] = "Upgrade";
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headerOut["Sec-WebSocket-Accept"] = Sec_WebSocket_Accept;
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if(!_parser["Sec-WebSocket-Protocol"].empty()){
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headerOut["Sec-WebSocket-Protocol"] = _parser["Sec-WebSocket-Protocol"];
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}
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sendResponse("101 Switching Protocols",headerOut,"");
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return true;
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}
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//http-flv 链接格式:http://vhost-url:port/app/streamid.flv?key1=value1&key2=value2
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//如果url(除去?以及后面的参数)后缀是.flv,那么表明该url是一个http-flv直播。
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inline bool HttpSession::checkLiveFlvStream(){
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auto pos = strrchr(_parser.Url().data(),'.');
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if(!pos){
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//未找到".flv"后缀
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return false;
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}
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if(strcasecmp(pos,".flv") != 0){
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//未找到".flv"后缀
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return false;
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}
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//拼接成完整url
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auto fullUrl = string(HTTP_SCHEMA) + "://" + _parser["Host"] + _parser.FullUrl();
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_mediaInfo.parse(fullUrl);
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_mediaInfo._streamid.erase(_mediaInfo._streamid.size() - 4);//去除.flv后缀
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auto mediaSrc = dynamic_pointer_cast<RtmpMediaSource>(MediaSource::find(RTMP_SCHEMA,_mediaInfo._vhost,_mediaInfo._app,_mediaInfo._streamid));
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if(!mediaSrc){
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//该rtmp源不存在
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return false;
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}
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auto onRes = [this,mediaSrc](const string &err){
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bool authSuccess = err.empty();
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if(!authSuccess){
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sendResponse("401 Unauthorized", makeHttpHeader(true,err.size()),err);
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shutdown();
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return ;
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}
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//找到rtmp源，发送http头，负载后续发送
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sendResponse("200 OK", makeHttpHeader(false,0,get_mime_type(".flv")), "");
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//开始发送rtmp负载
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//关闭tcp_nodelay ,优化性能
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SockUtil::setNoDelay(_sock->rawFD(),false);
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(*this) << SocketFlags(kSockFlags);
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try{
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start(getPoller(),mediaSrc);
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}catch (std::exception &ex){
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//该rtmp源不存在
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shutdown();
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}
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};
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weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
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Broadcast::AuthInvoker invoker = [weakSelf,onRes](const string &err){
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auto strongSelf = weakSelf.lock();
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if(!strongSelf){
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return;
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}
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strongSelf->async([weakSelf,onRes,err](){
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auto strongSelf = weakSelf.lock();
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if(!strongSelf){
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return;
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}
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onRes(err);
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});
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};
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auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed,_mediaInfo,invoker,*this);
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if(!flag){
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//该事件无人监听,默认不鉴权
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onRes("");
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}
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return true;
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}
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inline bool makeMeun(const string &httpPath,const string &strFullPath,const string &vhost, string &strRet) ;
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inline bool HttpSession::Handle_Req_GET(int64_t &content_len) {
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//先看看是否为WebSocket请求
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if(checkWebSocket()){
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content_len = -1;
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auto parserCopy = _parser;
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_contentCallBack = [this,parserCopy](const char *data,uint64_t len){
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onRecvWebSocketData(parserCopy,data,len);
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//_contentCallBack是可持续的，后面还要处理后续数据
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return true;
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};
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return true;
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}
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//先看看该http事件是否被拦截
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if(emitHttpEvent(false)){
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return true;
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}
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//再看看是否为http-flv直播请求
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if(checkLiveFlvStream()){
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return true;
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}
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//事件未被拦截，则认为是http下载请求
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auto fullUrl = string(HTTP_SCHEMA) + "://" + _parser["Host"] + _parser.FullUrl();
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_mediaInfo.parse(fullUrl);
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/////////////HTTP连接是否需要被关闭////////////////
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GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
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GET_CONFIG_AND_REGISTER(bool,enableVhost,Http::kEnableVhost);
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GET_CONFIG_AND_REGISTER(string,rootPath,Http::kRootPath);
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string strFile = enableVhost ? rootPath + "/" + _mediaInfo._vhost + _parser.Url() :rootPath + _parser.Url();
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replace(strFile,"//","/");
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bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > reqCnt);
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//访问的是文件夹
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if (strFile.back() == '/' || File::is_dir(strFile.data())) {
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//生成文件夹菜单索引
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string strMeun;
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if (!makeMeun(_parser.Url(),strFile,_mediaInfo._vhost, strMeun)) {
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//文件夹不存在
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sendNotFound(bClose);
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return !bClose;
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}
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sendResponse("200 OK", makeHttpHeader(bClose,strMeun.size() ), strMeun);
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return !bClose;
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}
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//访问的是文件
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struct stat tFileStat;
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if (0 != stat(strFile.data(), &tFileStat)) {
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//文件不存在
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sendNotFound(bClose);
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return !bClose;
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}
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//文件智能指针，防止退出时未关闭
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std::shared_ptr<FILE> pFilePtr(fopen(strFile.data(), "rb"), [](FILE *pFile) {
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if(pFile){
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fclose(pFile);
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}
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});
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if (!pFilePtr) {
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//打开文件失败
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sendNotFound(bClose);
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return !bClose;
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}
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//判断是不是分节下载
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auto &strRange = _parser["Range"];
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int64_t iRangeStart = 0, iRangeEnd = 0;
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iRangeStart = atoll(FindField(strRange.data(), "bytes=", "-").data());
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iRangeEnd = atoll(FindField(strRange.data(), "-", "\r\n").data());
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if (iRangeEnd == 0) {
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iRangeEnd = tFileStat.st_size - 1;
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}
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const char *pcHttpResult = NULL;
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if (strRange.size() == 0) {
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//全部下载
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pcHttpResult = "200 OK";
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} else {
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//分节下载
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pcHttpResult = "206 Partial Content";
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fseek(pFilePtr.get(), iRangeStart, SEEK_SET);
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}
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auto httpHeader=makeHttpHeader(bClose, iRangeEnd - iRangeStart + 1, get_mime_type(strFile.data()));
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if (strRange.size() != 0) {
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//分节下载返回Content-Range头
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httpHeader.emplace("Content-Range",StrPrinter<<"bytes " << iRangeStart << "-" << iRangeEnd << "/" << tFileStat.st_size<< endl);
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}
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auto Origin = _parser["Origin"];
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if(!Origin.empty()){
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httpHeader["Access-Control-Allow-Origin"] = Origin;
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httpHeader["Access-Control-Allow-Credentials"] = "true";
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}
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//先回复HTTP头部分
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sendResponse(pcHttpResult, httpHeader, "");
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if (iRangeEnd - iRangeStart < 0) {
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//文件是空的!
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return !bClose;
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}
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//回复Content部分
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std::shared_ptr<int64_t> piLeft(new int64_t(iRangeEnd - iRangeStart + 1));
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GET_CONFIG_AND_REGISTER(uint32_t,sendBufSize,Http::kSendBufSize);
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weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
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auto onFlush = [pFilePtr,bClose,weakSelf,piLeft]() {
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TimeTicker();
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auto strongSelf = weakSelf.lock();
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while(*piLeft && strongSelf){
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//更新超时定时器
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strongSelf->_ticker.resetTime();
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//从循环池获取一个内存片
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auto sendBuf = strongSelf->obtainBuffer();
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sendBuf->setCapacity(sendBufSize);
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//本次需要读取文件字节数
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int64_t iReq = MIN(sendBufSize,*piLeft);
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//读文件
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int iRead;
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do{
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iRead = fread(sendBuf->data(), 1, iReq, pFilePtr.get());
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}while(-1 == iRead && UV_EINTR == get_uv_error(false));
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//文件剩余字节数
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*piLeft -= iRead;
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if (iRead < iReq || !*piLeft) {
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//文件读完
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//InfoL << "send complete!" << iRead << " " << iReq << " " << *piLeft;
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if(iRead>0) {
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sendBuf->setSize(iRead);
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strongSelf->send(sendBuf);
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}
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if(bClose) {
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strongSelf->shutdown();
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}
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return false;
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}
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//文件还未读完
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sendBuf->setSize(iRead);
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int iSent = strongSelf->send(sendBuf);
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if(iSent == -1) {
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//InfoL << "send error";
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return false;
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}
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if(iSent < iRead) {
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//数据回滚
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fseek(pFilePtr.get(), -iRead, SEEK_CUR);
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*piLeft += iRead;
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return true;
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}
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if(strongSelf->isSocketBusy()){
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//套接字忙，那么停止继续写
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return true;
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}
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//send success
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}
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return false;
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};
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//关闭tcp_nodelay ,优化性能
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SockUtil::setNoDelay(_sock->rawFD(),false);
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//设置MSG_MORE，优化性能
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(*this) << SocketFlags(kSockFlags);
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onFlush();
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_sock->setOnFlush(onFlush);
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return true;
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}
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inline bool makeMeun(const string &httpPath,const string &strFullPath,const string &vhost, string &strRet) {
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string strPathPrefix(strFullPath);
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string last_dir_name;
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if(strPathPrefix.back() == '/'){
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strPathPrefix.pop_back();
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}else{
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last_dir_name = split(strPathPrefix,"/").back();
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}
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if (!File::is_dir(strPathPrefix.data())) {
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return false;
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}
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stringstream ss;
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ss << "<html>\r\n"
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"<head>\r\n"
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"<title>文件索引</title>\r\n"
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"</head>\r\n"
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"<body>\r\n"
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"<h1>文件索引:";
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ss << httpPath;
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ss << "</h1>\r\n";
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if (httpPath != "/") {
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ss << "<li><a href=\"";
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ss << "/";
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ss << "\">";
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ss << "根目录";
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ss << "</a></li>\r\n";
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ss << "<li><a href=\"";
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if(!last_dir_name.empty()){
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ss << "./";
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}else{
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ss << "../";
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}
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ss << "\">";
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ss << "上级目录";
|
||
ss << "</a></li>\r\n";
|
||
}
|
||
|
||
DIR *pDir;
|
||
dirent *pDirent;
|
||
if ((pDir = opendir(strPathPrefix.data())) == NULL) {
|
||
return false;
|
||
}
|
||
set<string> setFile;
|
||
while ((pDirent = readdir(pDir)) != NULL) {
|
||
if (File::is_special_dir(pDirent->d_name)) {
|
||
continue;
|
||
}
|
||
if(pDirent->d_name[0] == '.'){
|
||
continue;
|
||
}
|
||
setFile.emplace(pDirent->d_name);
|
||
}
|
||
int i = 0;
|
||
for(auto &strFile :setFile ){
|
||
string strAbsolutePath = strPathPrefix + "/" + strFile;
|
||
bool isDir = File::is_dir(strAbsolutePath.data());
|
||
ss << "<li><span>" << i++ << "</span>\t";
|
||
ss << "<a href=\"";
|
||
if(!last_dir_name.empty()){
|
||
ss << last_dir_name << "/" << strFile;
|
||
}else{
|
||
ss << strFile;
|
||
}
|
||
|
||
if(isDir){
|
||
ss << "/";
|
||
}
|
||
ss << "\">";
|
||
ss << strFile;
|
||
if (isDir) {
|
||
ss << "/</a></li>\r\n";
|
||
continue;
|
||
}
|
||
//是文件
|
||
struct stat fileData;
|
||
if (0 == stat(strAbsolutePath.data(), &fileData)) {
|
||
auto &fileSize = fileData.st_size;
|
||
if (fileSize < 1024) {
|
||
ss << " (" << fileData.st_size << "B)" << endl;
|
||
} else if (fileSize < 1024 * 1024) {
|
||
ss << fixed << setprecision(2) << " (" << fileData.st_size / 1024.0 << "KB)";
|
||
} else if (fileSize < 1024 * 1024 * 1024) {
|
||
ss << fixed << setprecision(2) << " (" << fileData.st_size / 1024 / 1024.0 << "MB)";
|
||
} else {
|
||
ss << fixed << setprecision(2) << " (" << fileData.st_size / 1024 / 1024 / 1024.0 << "GB)";
|
||
}
|
||
}
|
||
ss << "</a></li>\r\n";
|
||
}
|
||
closedir(pDir);
|
||
ss << "<ul>\r\n";
|
||
ss << "</ul>\r\n</body></html>";
|
||
ss.str().swap(strRet);
|
||
return true;
|
||
}
|
||
inline void HttpSession::sendResponse(const char* pcStatus, const KeyValue& header, const string& strContent) {
|
||
_StrPrinter printer;
|
||
printer << "HTTP/1.1 " << pcStatus << "\r\n";
|
||
for (auto &pr : header) {
|
||
printer << pr.first << ": " << pr.second << "\r\n";
|
||
}
|
||
printer << "\r\n" << strContent;
|
||
auto strSend = printer << endl;
|
||
//DebugL << strSend;
|
||
send(strSend);
|
||
_ticker.resetTime();
|
||
}
|
||
inline HttpSession::KeyValue HttpSession::makeHttpHeader(bool bClose, int64_t iContentSize,const char* pcContentType) {
|
||
KeyValue headerOut;
|
||
GET_CONFIG_AND_REGISTER(string,charSet,Http::kCharSet);
|
||
GET_CONFIG_AND_REGISTER(uint32_t,keepAliveSec,Http::kKeepAliveSecond);
|
||
GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
|
||
|
||
headerOut.emplace("Date", dateStr());
|
||
headerOut.emplace("Server", SERVER_NAME);
|
||
headerOut.emplace("Connection", bClose ? "close" : "keep-alive");
|
||
if(!bClose){
|
||
headerOut.emplace("Keep-Alive",StrPrinter << "timeout=" << keepAliveSec << ", max=" << reqCnt << endl);
|
||
}
|
||
if(pcContentType){
|
||
auto strContentType = StrPrinter << pcContentType << "; charset=" << charSet << endl;
|
||
headerOut.emplace("Content-Type",strContentType);
|
||
}
|
||
if(iContentSize > 0){
|
||
headerOut.emplace("Content-Length", StrPrinter<<iContentSize<<endl);
|
||
}
|
||
return headerOut;
|
||
}
|
||
|
||
string HttpSession::urlDecode(const string &str){
|
||
auto ret = strCoding::UrlUTF8Decode(str);
|
||
#ifdef _WIN32
|
||
GET_CONFIG_AND_REGISTER(string,charSet,Http::kCharSet);
|
||
bool isGb2312 = !strcasecmp(charSet.data(), "gb2312");
|
||
if (isGb2312) {
|
||
ret = strCoding::UTF8ToGB2312(ret);
|
||
}
|
||
#endif // _WIN32
|
||
return ret;
|
||
}
|
||
|
||
inline void HttpSession::urlDecode(Parser &parser){
|
||
parser.setUrl(urlDecode(parser.Url()));
|
||
for(auto &pr : _parser.getUrlArgs()){
|
||
const_cast<string &>(pr.second) = urlDecode(pr.second);
|
||
}
|
||
}
|
||
|
||
inline bool HttpSession::emitHttpEvent(bool doInvoke){
|
||
///////////////////是否断开本链接///////////////////////
|
||
GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
|
||
|
||
bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > reqCnt);
|
||
auto Origin = _parser["Origin"];
|
||
/////////////////////异步回复Invoker///////////////////////////////
|
||
weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
|
||
HttpResponseInvoker invoker = [weakSelf,bClose,Origin](const string &codeOut, const KeyValue &headerOut, const string &contentOut){
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return;
|
||
}
|
||
strongSelf->async([weakSelf,bClose,codeOut,headerOut,contentOut,Origin]() {
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return;
|
||
}
|
||
strongSelf->responseDelay(Origin,bClose,codeOut,headerOut,contentOut);
|
||
if(bClose){
|
||
strongSelf->shutdown();
|
||
}
|
||
});
|
||
};
|
||
///////////////////广播HTTP事件///////////////////////////
|
||
bool consumed = false;//该事件是否被消费
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpRequest,_parser,invoker,consumed,*this);
|
||
if(!consumed && doInvoke){
|
||
//该事件无人消费，所以返回404
|
||
invoker("404 Not Found",KeyValue(),"");
|
||
if(bClose){
|
||
//close类型，回复完毕，关闭连接
|
||
shutdown();
|
||
}
|
||
}
|
||
return consumed;
|
||
}
|
||
inline bool HttpSession::Handle_Req_POST(int64_t &content_len) {
|
||
GET_CONFIG_AND_REGISTER(uint64_t,maxReqSize,Http::kMaxReqSize);
|
||
GET_CONFIG_AND_REGISTER(int,maxReqCnt,Http::kMaxReqCount);
|
||
|
||
int64_t totalContentLen = _parser["Content-Length"].empty() ? -1 : atoll(_parser["Content-Length"].data());
|
||
|
||
if(totalContentLen == 0){
|
||
//content为空
|
||
//emitHttpEvent内部会选择是否关闭连接
|
||
emitHttpEvent(true);
|
||
return true;
|
||
}
|
||
|
||
//根据Content-Length设置接收缓存大小
|
||
if(totalContentLen > 0){
|
||
_sock->setReadBuffer(std::make_shared<BufferRaw>(MIN(totalContentLen + 1,256 * 1024)));
|
||
}else{
|
||
//不定长度的Content-Length
|
||
_sock->setReadBuffer(std::make_shared<BufferRaw>(256 * 1024));
|
||
}
|
||
|
||
if(totalContentLen > 0 && totalContentLen < maxReqSize ){
|
||
//返回固定长度的content
|
||
content_len = totalContentLen;
|
||
auto parserCopy = _parser;
|
||
_contentCallBack = [this,parserCopy](const char *data,uint64_t len){
|
||
//恢复http头
|
||
_parser = parserCopy;
|
||
//设置content
|
||
_parser.setContent(string(data,len));
|
||
//触发http事件，emitHttpEvent内部会选择是否关闭连接
|
||
emitHttpEvent(true);
|
||
//清空数据,节省内存
|
||
_parser.Clear();
|
||
//content已经接收完毕
|
||
return false;
|
||
};
|
||
}else{
|
||
//返回不固定长度的content
|
||
content_len = -1;
|
||
auto parserCopy = _parser;
|
||
std::shared_ptr<uint64_t> recvedContentLen = std::make_shared<uint64_t>(0);
|
||
bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > maxReqCnt);
|
||
|
||
_contentCallBack = [this,parserCopy,totalContentLen,recvedContentLen,bClose](const char *data,uint64_t len){
|
||
*(recvedContentLen) += len;
|
||
|
||
onRecvUnlimitedContent(parserCopy,data,len,totalContentLen,*(recvedContentLen));
|
||
|
||
if(*(recvedContentLen) < totalContentLen){
|
||
//数据还没接收完毕
|
||
//_contentCallBack是可持续的，后面还要处理后续content数据
|
||
return true;
|
||
}
|
||
|
||
//数据接收完毕
|
||
if(!bClose){
|
||
//keep-alive类型连接
|
||
//content接收完毕，后续都是http header
|
||
setContentLen(0);
|
||
//content已经接收完毕
|
||
return false;
|
||
}
|
||
|
||
//连接类型是close类型，收完content就关闭连接
|
||
shutdown();
|
||
//content已经接收完毕
|
||
return false ;
|
||
};
|
||
}
|
||
//有后续content数据要处理,暂时不关闭连接
|
||
return true;
|
||
}
|
||
void HttpSession::responseDelay(const string &Origin,bool bClose,
|
||
const string &codeOut,const KeyValue &headerOut,
|
||
const string &contentOut){
|
||
if(codeOut.empty()){
|
||
sendNotFound(bClose);
|
||
return;
|
||
}
|
||
auto headerOther=makeHttpHeader(bClose,contentOut.size(),"text/plain");
|
||
if(!Origin.empty()){
|
||
headerOther["Access-Control-Allow-Origin"] = Origin;
|
||
headerOther["Access-Control-Allow-Credentials"] = "true";
|
||
}
|
||
const_cast<KeyValue &>(headerOut).insert(headerOther.begin(), headerOther.end());
|
||
sendResponse(codeOut.data(), headerOut, contentOut);
|
||
}
|
||
inline void HttpSession::sendNotFound(bool bClose) {
|
||
GET_CONFIG_AND_REGISTER(string,notFound,Http::kNotFound);
|
||
sendResponse("404 Not Found", makeHttpHeader(bClose, notFound.size()), notFound);
|
||
}
|
||
|
||
|
||
void HttpSession::onWrite(const Buffer::Ptr &buffer) {
|
||
_ticker.resetTime();
|
||
_ui64TotalBytes += buffer->size();
|
||
send(buffer);
|
||
}
|
||
|
||
void HttpSession::onDetach() {
|
||
shutdown();
|
||
}
|
||
|
||
std::shared_ptr<FlvMuxer> HttpSession::getSharedPtr(){
|
||
return dynamic_pointer_cast<FlvMuxer>(shared_from_this());
|
||
}
|
||
|
||
} /* namespace mediakit */
|