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完善http服务器对不固定长度body的支持

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This commit is contained in:
xiongziliang 2019-12-24 10:25:28 +08:00
parent 40c2326950
commit eb89a3e504
3 changed files with 13 additions and 15 deletions
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4
src/Http/HttpBody.h
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@ -52,14 +52,14 @@ public:
virtual ~HttpBody(){}
/**
* 剩余数据大小
* 剩余数据大小，如果返回>=INT64_MAX, 那么就不设置content-length
*/
virtual uint64_t remainSize() { return 0;};
/**
* 读取一定字节数，返回大小可能小于size
* @param size 请求大小
* @return 字节对象
* @return 字节对象,如果读完了，那么请返回nullptr
*/
virtual Buffer::Ptr readData(uint32_t size) { return nullptr;};
};

22
src/Http/HttpSession.cpp
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@ -156,7 +156,7 @@ bool HttpSession::checkWebSocket(){
auto res_cb = [this,headerOut](){
_flv_over_websocket = true;
sendResponse("101 Switching Protocols",false,nullptr,headerOut,nullptr,false);
sendResponse("101 Switching Protocols",false,nullptr,headerOut,nullptr, true);
};
//判断是否为websocket-flv
@ -219,7 +219,7 @@ bool HttpSession::checkLiveFlvStream(const function<void()> &cb){
if(!cb) {
//找到rtmp源，发送http头，负载后续发送
sendResponse("200 OK", false, "video/x-flv",KeyValue(),nullptr,false);
sendResponse("200 OK", false, "video/x-flv",KeyValue(),nullptr,true);
}else{
cb();
}
@ -313,7 +313,7 @@ void HttpSession::sendResponse(const char *pcStatus,
const char *pcContentType,
const HttpSession::KeyValue &header,
const HttpBody::Ptr &body,
bool set_content_len ){
bool is_http_flv ){
GET_CONFIG(string,charSet,Http::kCharSet);
GET_CONFIG(uint32_t,keepAliveSec,Http::kKeepAliveSecond);
@ -322,16 +322,14 @@ void HttpSession::sendResponse(const char *pcStatus,
if (body && body->remainSize()) {
//有body，获取body大小
size = body->remainSize();
if (size >= INT64_MAX) {
//不固定长度的body，那么不设置content-length字段
size = -1;
}
}
if(!set_content_len || size == -1){
//如果是不定长度body，或者不设置conten-length,
//那么一定是Keep-Alive类型
if(is_http_flv){
//http-flv直播是Keep-Alive类型
bClose = false;
}else if(size >= INT64_MAX){
//不固定长度的body，那么发送完body后应该关闭socket，以便浏览器做下载完毕的判断
bClose = true;
}
HttpSession::KeyValue &headerOut = const_cast<HttpSession::KeyValue &>(header);
@ -348,8 +346,8 @@ void HttpSession::sendResponse(const char *pcStatus,
headerOut.emplace("Access-Control-Allow-Credentials", "true");
}
if(set_content_len && size >= 0){
//文件长度为定值或者,且不是http-flv强制设置Content-Length
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
headerOut["Content-Length"] = StrPrinter << size << endl;
}

2
src/Http/HttpSession.h
View File

@ -115,7 +115,7 @@ private:
void sendNotFound(bool bClose);
void sendResponse(const char *pcStatus, bool bClose, const char *pcContentType = nullptr,
const HttpSession::KeyValue &header = HttpSession::KeyValue(),
const HttpBody::Ptr &body = nullptr,bool set_content_len = true);
const HttpBody::Ptr &body = nullptr,bool is_http_flv = false);
//设置socket标志
void setSocketFlags();