2017-10-09 22:11:01 +08:00
|
|
|
|
/*
|
2017-09-27 16:20:30 +08:00
|
|
|
|
* MIT License
|
2017-05-05 18:02:54 +08:00
|
|
|
|
*
|
2017-09-27 16:20:30 +08:00
|
|
|
|
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
|
|
|
|
|
*
|
|
|
|
|
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
|
|
|
|
|
*
|
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
|
|
|
* in the Software without restriction, including without limitation the rights
|
|
|
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
|
*
|
|
|
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
|
|
|
* copies or substantial portions of the Software.
|
|
|
|
|
*
|
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
|
|
* SOFTWARE.
|
2017-05-05 18:02:54 +08:00
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include "HttpDownloader.h"
|
|
|
|
|
#include "Util/MD5.h"
|
|
|
|
|
#include "Util/File.h"
|
|
|
|
|
|
|
|
|
|
using namespace ZL::Util;
|
|
|
|
|
|
|
|
|
|
namespace ZL {
|
|
|
|
|
namespace Http {
|
|
|
|
|
|
|
|
|
|
HttpDownloader::HttpDownloader() {
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
HttpDownloader::~HttpDownloader() {
|
|
|
|
|
closeFile();
|
|
|
|
|
}
|
|
|
|
|
|
2018-02-06 17:35:32 +08:00
|
|
|
|
void HttpDownloader::startDownload(const string& url, const string& filePath,bool bAppend,uint32_t timeOutSecond) {
|
2017-05-05 18:02:54 +08:00
|
|
|
|
_filePath = filePath;
|
2018-02-06 17:35:32 +08:00
|
|
|
|
_timeOutSecond = timeOutSecond;
|
2018-02-23 15:36:51 +08:00
|
|
|
|
_downloadTicker.resetTime();
|
2017-05-05 18:02:54 +08:00
|
|
|
|
if(_filePath.empty()){
|
2017-05-23 16:48:33 +08:00
|
|
|
|
_filePath = exeDir() + "HttpDownloader/" + MD5(url).hexdigest();
|
2017-05-05 18:02:54 +08:00
|
|
|
|
}
|
|
|
|
|
_saveFile = File::createfile_file(_filePath.data(),bAppend ? "ab" : "wb");
|
|
|
|
|
if(!_saveFile){
|
|
|
|
|
auto strErr = StrPrinter << "打开文件失败:" << filePath << endl;
|
|
|
|
|
throw std::runtime_error(strErr);
|
|
|
|
|
}
|
2017-05-24 09:56:54 +08:00
|
|
|
|
_bDownloadSuccess = false;
|
2017-05-05 18:02:54 +08:00
|
|
|
|
if(bAppend){
|
|
|
|
|
auto currentLen = ftell(_saveFile);
|
2017-05-05 23:54:30 +08:00
|
|
|
|
if(currentLen){
|
|
|
|
|
//最少续传一个字节,怕遇到http 416的错误
|
|
|
|
|
currentLen -= 1;
|
|
|
|
|
fseek(_saveFile,-1,SEEK_CUR);
|
|
|
|
|
}
|
2017-05-05 18:02:54 +08:00
|
|
|
|
addHeader("Range", StrPrinter << "bytes=" << currentLen << "-" << endl);
|
|
|
|
|
}
|
|
|
|
|
setMethod("GET");
|
|
|
|
|
sendRequest(url);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HttpDownloader::onResponseHeader(const string& status,const HttpHeader& headers) {
|
2018-02-23 15:36:51 +08:00
|
|
|
|
_downloadTicker.resetTime();
|
|
|
|
|
if(status != "200" && status != "206"){
|
2017-05-05 18:02:54 +08:00
|
|
|
|
//失败
|
|
|
|
|
shutdown();
|
|
|
|
|
closeFile();
|
|
|
|
|
File::delete_file(_filePath.data());
|
|
|
|
|
if(_onResult){
|
|
|
|
|
auto errMsg = StrPrinter << "Http Status:" << status << endl;
|
|
|
|
|
_onResult(Err_other,errMsg.data(),_filePath.data());
|
|
|
|
|
_onResult = nullptr;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HttpDownloader::onResponseBody(const char* buf, size_t size, size_t recvedSize, size_t totalSize) {
|
2018-02-23 15:36:51 +08:00
|
|
|
|
_downloadTicker.resetTime();
|
|
|
|
|
if(_saveFile){
|
2017-05-05 18:02:54 +08:00
|
|
|
|
fwrite(buf,size,1,_saveFile);
|
|
|
|
|
}
|
|
|
|
|
}
|
2017-05-24 14:29:47 +08:00
|
|
|
|
//string getMd5Sum(const string &filePath){
|
|
|
|
|
// auto fp = File::createfile_file(filePath.data(),"rb");
|
|
|
|
|
// fseek(fp,0,SEEK_END);
|
|
|
|
|
// auto sz = ftell(fp);
|
|
|
|
|
// char tmp[sz];
|
|
|
|
|
// fseek(fp,0,SEEK_SET);
|
|
|
|
|
// auto rd = fread(tmp,1,sz,fp);
|
|
|
|
|
// InfoL << sz << " " << rd;
|
|
|
|
|
// fclose(fp);
|
|
|
|
|
// return MD5(string(tmp,sz)).hexdigest();
|
|
|
|
|
//}
|
2017-05-05 18:02:54 +08:00
|
|
|
|
void HttpDownloader::onResponseCompleted() {
|
|
|
|
|
closeFile();
|
2017-05-24 14:29:47 +08:00
|
|
|
|
//InfoL << "md5Sum:" << getMd5Sum(_filePath);
|
2017-05-24 09:56:54 +08:00
|
|
|
|
_bDownloadSuccess = true;
|
2017-05-05 18:02:54 +08:00
|
|
|
|
if(_onResult){
|
|
|
|
|
_onResult(Err_success,"success",_filePath.data());
|
|
|
|
|
_onResult = nullptr;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HttpDownloader::onDisconnect(const SockException &ex) {
|
|
|
|
|
closeFile();
|
2017-05-24 09:56:54 +08:00
|
|
|
|
if(!_bDownloadSuccess){
|
|
|
|
|
File::delete_file(_filePath.data());
|
|
|
|
|
}
|
2017-05-05 18:02:54 +08:00
|
|
|
|
if(_onResult){
|
|
|
|
|
_onResult(ex.getErrCode(),ex.what(),_filePath.data());
|
|
|
|
|
_onResult = nullptr;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HttpDownloader::closeFile() {
|
|
|
|
|
if(_saveFile){
|
2017-05-24 14:29:47 +08:00
|
|
|
|
fflush(_saveFile);
|
2017-05-05 18:02:54 +08:00
|
|
|
|
fclose(_saveFile);
|
|
|
|
|
_saveFile = nullptr;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2018-02-06 17:35:32 +08:00
|
|
|
|
void HttpDownloader::onManager(){
|
2018-02-23 15:36:51 +08:00
|
|
|
|
if(_downloadTicker.elapsedTime() > _timeOutSecond * 1000){
|
2018-02-06 17:35:32 +08:00
|
|
|
|
//超时
|
|
|
|
|
onDisconnect(SockException(Err_timeout,"download timeout"));
|
|
|
|
|
shutdown();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2017-05-05 18:02:54 +08:00
|
|
|
|
} /* namespace Http */
|
|
|
|
|
} /* namespace ZL */
|