mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-01 00:57:28 +08:00
324 lines
9.4 KiB
C++
324 lines
9.4 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016 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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#ifndef Http_HttpClient_h
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#define Http_HttpClient_h
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#include <stdio.h>
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#include <string.h>
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#include <functional>
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#include <memory>
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#include "Rtsp/Rtsp.h"
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#include "Util/util.h"
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#include "Network/TcpClient.h"
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#include "HttpRequestSplitter.h"
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#include "HttpCookie.h"
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#include "HttpChunkedSplitter.h"
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using namespace std;
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using namespace toolkit;
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namespace mediakit {
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class HttpArgs : public StrCaseMap {
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public:
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HttpArgs(){}
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virtual ~HttpArgs(){}
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string make() const {
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string ret;
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for(auto &pr : *this){
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ret.append(pr.first);
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ret.append("=");
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ret.append(pr.second);
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ret.append("&");
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}
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if(ret.size()){
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ret.pop_back();
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}
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return ret;
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}
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};
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class HttpBody{
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public:
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typedef std::shared_ptr<HttpBody> Ptr;
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HttpBody(){}
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virtual ~HttpBody(){}
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//剩余数据大小
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virtual uint64_t remainSize() = 0;
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virtual Buffer::Ptr readData() = 0;
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};
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class HttpStringBody : public HttpBody{
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public:
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typedef std::shared_ptr<HttpStringBody> Ptr;
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HttpStringBody(const string &str){
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_str = str;
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}
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virtual ~HttpStringBody(){}
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uint64_t remainSize() override {
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return _str.size();
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}
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Buffer::Ptr readData() override {
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auto ret = std::make_shared<BufferString>(_str);
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_str.clear();
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return ret;
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}
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private:
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mutable string _str;
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};
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class HttpMultiFormBody : public HttpBody {
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public:
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typedef std::shared_ptr<HttpMultiFormBody> Ptr;
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HttpMultiFormBody(const StrCaseMap &args,const string &filePath,const string &boundary,uint32_t sliceSize = 4 * 1024){
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_fp = fopen(filePath.data(),"rb");
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if(!_fp){
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throw std::invalid_argument(StrPrinter << "打开文件失败：" << filePath << " " << get_uv_errmsg());
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}
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auto fileName = filePath;
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auto pos = filePath.rfind('/');
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if(pos != string::npos){
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fileName = filePath.substr(pos + 1);
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}
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_bodyPrefix = multiFormBodyPrefix(args,boundary,fileName);
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_bodySuffix = multiFormBodySuffix(boundary);
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_totalSize = _bodyPrefix.size() + _bodySuffix.size() + fileSize(_fp);
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_sliceSize = sliceSize;
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}
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virtual ~HttpMultiFormBody(){
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fclose(_fp);
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}
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uint64_t remainSize() override {
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return _totalSize - _offset;
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}
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Buffer::Ptr readData() override{
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if(_bodyPrefix.size()){
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auto ret = std::make_shared<BufferString>(_bodyPrefix);
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_offset += _bodyPrefix.size();
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_bodyPrefix.clear();
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return ret;
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}
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if(0 == feof(_fp)){
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auto ret = std::make_shared<BufferRaw>(_sliceSize);
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//读文件
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int size;
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do{
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size = fread(ret->data(),1,_sliceSize,_fp);
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}while(-1 == size && UV_EINTR == get_uv_error(false));
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if(size == -1){
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_offset = _totalSize;
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WarnL << "fread failed:" << get_uv_errmsg();
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return nullptr;
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}
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_offset += size;
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ret->setSize(size);
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return ret;
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}
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if(_bodySuffix.size()){
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auto ret = std::make_shared<BufferString>(_bodySuffix);
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_offset = _totalSize;
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_bodySuffix.clear();
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return ret;
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}
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return nullptr;
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}
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public:
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static string multiFormBodyPrefix(const StrCaseMap &args,const string &boundary,const string &fileName){
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string MPboundary = string("--") + boundary;
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_StrPrinter body;
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for(auto &pr : args){
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body << MPboundary << "\r\n";
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body << "Content-Disposition: form-data; name=\"" << pr.first << "\"\r\n\r\n";
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body << pr.second << "\r\n";
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}
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body << MPboundary << "\r\n";
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body << "Content-Disposition: form-data; name=\"" << "file" << "\";filename=\"" << fileName << "\"\r\n";
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body << "Content-Type: application/octet-stream\r\n\r\n" ;
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return body;
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}
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static string multiFormBodySuffix(const string &boundary){
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string MPboundary = string("--") + boundary;
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string endMPboundary = MPboundary + "--";
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_StrPrinter body;
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body << "\r\n" << endMPboundary;
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return body;
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}
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static uint64_t fileSize(FILE *fp) {
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auto current = ftell(fp);
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fseek(fp,0L,SEEK_END); /* 定位到文件末尾 */
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auto end = ftell(fp); /* 得到文件大小 */
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fseek(fp,current,SEEK_SET);
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return end - current;
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}
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static string multiFormContentType(const string &boundary){
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return StrPrinter << "multipart/form-data; boundary=" << boundary;
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}
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private:
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FILE *_fp;
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string _bodyPrefix;
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string _bodySuffix;
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uint64_t _offset = 0;
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uint64_t _totalSize;
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uint32_t _sliceSize;
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};
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class HttpClient : public TcpClient , public HttpRequestSplitter
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{
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public:
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typedef StrCaseMap HttpHeader;
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typedef std::shared_ptr<HttpClient> Ptr;
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HttpClient();
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virtual ~HttpClient();
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virtual void sendRequest(const string &url,float fTimeOutSec);
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void clear(){
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_header.clear();
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_body.reset();
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_method.clear();
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_path.clear();
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_parser.Clear();
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}
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void setMethod(const string &method){
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_method = method;
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}
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void setHeader(const HttpHeader &header){
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_header = header;
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}
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HttpClient & addHeader(const string &key,const string &val,bool force = false){
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if(!force){
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_header.emplace(key,val);
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}else{
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_header[key] = val;
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}
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return *this;
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}
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void setBody(const string &body){
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_body.reset(new HttpStringBody(body));
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}
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void setBody(const HttpBody::Ptr &body){
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_body = body;
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}
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const string &responseStatus() const{
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return _parser.Url();
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}
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const HttpHeader &responseHeader() const{
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return _parser.getValues();
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}
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const Parser& response() const{
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return _parser;
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}
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protected:
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/**
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* 收到http回复头
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* @param status 状态码，譬如:200 OK
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* @param headers http头
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* @return 返回后续content的长度；-1:后续数据全是content；>=0:固定长度content
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* 需要指出的是，在http头中带有Content-Length字段时，该返回值无效
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*/
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virtual int64_t onResponseHeader(const string &status,const HttpHeader &headers){
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DebugL << status;
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//无Content-Length字段时默认后面全是content
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return -1;
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};
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/**
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* 收到http conten数据
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* @param buf 数据指针
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* @param size 数据大小
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* @param recvedSize 已收数据大小(包含本次数据大小),当其等于totalSize时将触发onResponseCompleted回调
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* @param totalSize 总数据大小
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*/
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virtual void onResponseBody(const char *buf,size_t size,size_t recvedSize,size_t totalSize){
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DebugL << size << " " << recvedSize << " " << totalSize;
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};
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/**
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* 接收http回复完毕,
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*/
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virtual void onResponseCompleted(){
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DebugL;
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}
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/**
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* 收到http回复数据回调
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* @param data 数据指针
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* @param size 数据大小
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*/
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virtual void onRecvBytes(const char *data,int size);
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/**
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* http链接断开回调
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* @param ex 断开原因
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*/
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virtual void onDisconnect(const SockException &ex){}
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//HttpRequestSplitter override
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int64_t onRecvHeader(const char *data,uint64_t len) override ;
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void onRecvContent(const char *data,uint64_t len) override;
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protected:
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virtual void onConnect(const SockException &ex) override;
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virtual void onRecv(const Buffer::Ptr &pBuf) override;
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virtual void onErr(const SockException &ex) override;
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virtual void onSend() override;
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virtual void onManager() override;
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private:
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void onResponseCompleted_l();
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void checkCookie(const HttpHeader &headers );
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protected:
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bool _isHttps;
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private:
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//send
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HttpHeader _header;
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HttpBody::Ptr _body;
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string _method;
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string _path;
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//recv
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int64_t _recvedBodySize;
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int64_t _totalBodySize;
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Parser _parser;
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string _lastHost;
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Ticker _aliveTicker;
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float _fTimeOutSec = 0;
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std::shared_ptr<HttpChunkedSplitter> _chunkedSplitter;
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};
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} /* namespace mediakit */
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#endif /* Http_HttpClient_h */
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