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ZLMediaKit
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优化http服务器性能

This commit is contained in:
xiongziliang 2019-12-26 15:02:28 +08:00
parent f7db9d3690
commit 003021e24b
1 changed files with 36 additions and 16 deletions
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52
src/Http/HttpSession.cpp
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@ -1,4 +1,4 @@
/* /*
* MIT License * MIT License
* *
* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com> * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
@ -308,6 +308,16 @@ static string dateStr() {
return buf; return buf;
} }
static const string kDate = "Date";
static const string kServer = "Server";
static const string kConnection = "Connection";
static const string kKeepAlive = "Keep-Alive";
static const string kContentType = "Content-Type";
static const string kContentLength = "Content-Length";
static const string kAccessControlAllowOrigin = "Access-Control-Allow-Origin";
static const string kAccessControlAllowCredentials = "Access-Control-Allow-Credentials";
static const string kServerName = SERVER_NAME;
void HttpSession::sendResponse(const char *pcStatus, void HttpSession::sendResponse(const char *pcStatus,
bool bClose, bool bClose,
const char *pcContentType, const char *pcContentType,
@ -333,22 +343,25 @@ void HttpSession::sendResponse(const char *pcStatus,
} }
HttpSession::KeyValue &headerOut = const_cast<HttpSession::KeyValue &>(header); HttpSession::KeyValue &headerOut = const_cast<HttpSession::KeyValue &>(header);
headerOut.emplace("Date", dateStr()); headerOut.emplace(kDate, dateStr());
headerOut.emplace("Server", SERVER_NAME); headerOut.emplace(kServer, kServerName);
headerOut.emplace("Connection", bClose ? "close" : "keep-alive"); headerOut.emplace(kConnection, bClose ? "close" : "keep-alive");
if(!bClose){ if(!bClose){
headerOut.emplace("Keep-Alive",StrPrinter << "timeout=" << keepAliveSec << ", max=100" << endl); string keepAliveString = "timeout=";
keepAliveString += to_string(keepAliveSec);
keepAliveString += ", max=100";
headerOut.emplace(kKeepAlive,std::move(keepAliveString));
} }
if(!_origin.empty()){ if(!_origin.empty()){
//设置跨域 //设置跨域
headerOut.emplace("Access-Control-Allow-Origin",_origin); headerOut.emplace(kAccessControlAllowOrigin,_origin);
headerOut.emplace("Access-Control-Allow-Credentials", "true"); headerOut.emplace(kAccessControlAllowCredentials, "true");
} }
if(!is_http_flv && size >= 0 && size < INT64_MAX){ if(!is_http_flv && size >= 0 && size < INT64_MAX){
//文件长度为固定值,且不是http-flv强制设置Content-Length //文件长度为固定值,且不是http-flv强制设置Content-Length
headerOut["Content-Length"] = StrPrinter << size << endl; headerOut[kContentLength] = to_string(size);
} }
if(size && !pcContentType){ if(size && !pcContentType){
@ -358,19 +371,26 @@ void HttpSession::sendResponse(const char *pcStatus,
if(size && pcContentType){ if(size && pcContentType){
//有body时，设置文件类型 //有body时，设置文件类型
auto strContentType = StrPrinter << pcContentType << "; charset=" << charSet << endl; string strContentType = pcContentType;
headerOut.emplace("Content-Type",strContentType); strContentType += "; charset=";
strContentType += charSet;
headerOut.emplace(kContentType,std::move(strContentType));
} }
//发送http头 //发送http头
_StrPrinter printer; string str;
printer << "HTTP/1.1 " << pcStatus << "\r\n"; str.reserve(256);
str += "HTTP/1.1 " ;
str += pcStatus ;
str += "\r\n";
for (auto &pr : header) { for (auto &pr : header) {
printer << pr.first << ": " << pr.second << "\r\n"; str += pr.first ;
str += ": ";
str += pr.second;
str += "\r\n";
} }
str += "\r\n";
printer << "\r\n"; send(std::move(str));
send(printer << endl);
_ticker.resetTime(); _ticker.resetTime();
if(!size){ if(!size){