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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-09-19 19:20:33 +00:00
Added: Basic queue for curl downloads
--HG-- branch : develop
This commit is contained in:
Nimetu
parent
9e7258d96e
commit
20c216ecda
2 changed files with 122 additions and 76 deletions
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@ -820,7 +820,8 @@ namespace NLGUI
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struct CDataDownload
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{
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public:
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CDataDownload(CURL *c, const std::string &u, const std::string &d, FILE *f, TDataType t, CViewBase *i, const std::string &s, const std::string &m, const CStyleParams &style = CStyleParams()) : curl(c), url(u), dest(d), luaScript(s), md5sum(m), type(t), fp(f)
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CDataDownload(const std::string &u, const std::string &d, TDataType t, CViewBase *i, const std::string &s, const std::string &m, const CStyleParams &style = CStyleParams())
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: curl(NULL), fp(NULL), url(u), dest(d), type(t), luaScript(s), md5sum(m)
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{
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if (t == ImgType) imgs.push_back(CDataImageDownload(i, style));
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}
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@ -840,6 +841,8 @@ namespace NLGUI
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CURLM *MultiCurl;
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int RunningCurls;
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bool startCurlDownload(CDataDownload &download);
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void initImageDownload();
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void checkImageDownload();
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void addImageDownload(const std::string &url, CViewBase *img, const CStyleParams &style = CStyleParams());
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@ -265,6 +265,61 @@ namespace NLGUI
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return dest;
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}
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// Add url to MultiCurl queue and return cURL handle
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bool CGroupHTML::startCurlDownload(CDataDownload &download)
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{
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if (!MultiCurl)
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{
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nlwarning("Invalid MultiCurl handle, unable to download '%s'", download.url.c_str());
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return false;
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}
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string tmpdest = download.dest + ".tmp";
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// erase the tmp file if exists
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if (CFile::fileExists(tmpdest))
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CFile::deleteFile(tmpdest);
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FILE *fp = nlfopen (tmpdest, "wb");
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if (fp == NULL)
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{
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nlwarning("Can't open file '%s' for writing: code=%d '%s'", tmpdest.c_str (), errno, strerror(errno));
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return false;
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}
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CURL *curl = curl_easy_init();
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if (!curl)
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{
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fclose(fp);
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CFile::deleteFile(tmpdest);
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nlwarning("Creating cURL handle failed, unable to download '%s'", download.url.c_str());
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return false;
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}
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download.curl = curl;
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download.fp = fp;
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, true);
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curl_easy_setopt(curl, CURLOPT_URL, download.url.c_str());
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// limit curl to HTTP and HTTPS protocols only
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curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
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curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
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std::string userAgent = options.appName + "/" + options.appVersion;
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curl_easy_setopt(curl, CURLOPT_USERAGENT, userAgent.c_str());
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sendCookies(curl, _DocumentDomain, _TrustedDomain);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite);
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curl_multi_add_handle(MultiCurl, curl);
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return true;
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}
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// Add a image download request in the multi_curl
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void CGroupHTML::addImageDownload(const string &url, CViewBase *img, const CStyleParams &style)
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{
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@ -285,55 +340,29 @@ namespace NLGUI
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// use requested url for local name
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string dest = localImageName(url);
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string tmpdest = localImageName(url)+".tmp";
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#ifdef LOG_DL
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nlwarning("add to download '%s' dest '%s' img %p", finalUrl.c_str(), dest.c_str(), img);
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#endif
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// erase the tmp file if exists
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if (NLMISC::CFile::fileExists(tmpdest))
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NLMISC::CFile::deleteFile(tmpdest);
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if (!NLMISC::CFile::fileExists(dest))
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{
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if (!MultiCurl)
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{
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nlwarning("Invalid MultiCurl handle, unable to download '%s'", finalUrl.c_str());
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return;
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}
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Curls.push_back(CDataDownload(finalUrl, dest, ImgType, img, "", "", style));
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if (Curls.size() < options.curlMaxConnections) {
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if (!startCurlDownload(Curls.back()))
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{
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Curls.pop_back();
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return;
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}
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CURL *curl = curl_easy_init();
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if (!curl)
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{
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nlwarning("Creating cURL handle failed, unable to download '%s'", finalUrl.c_str());
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return;
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}
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FILE *fp = nlfopen(tmpdest, "wb");
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if (fp == NULL)
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{
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curl_easy_cleanup(curl);
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nlwarning("Can't open file '%s' for writing: code=%d '%s'", tmpdest.c_str (), errno, strerror(errno));
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return;
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}
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, true);
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curl_easy_setopt(curl, CURLOPT_URL, finalUrl.c_str());
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std::string userAgent = options.appName + "/" + options.appVersion;
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curl_easy_setopt(curl, CURLOPT_USERAGENT, userAgent.c_str());
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sendCookies(curl, _DocumentDomain, _TrustedDomain);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite);
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curl_multi_add_handle(MultiCurl, curl);
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Curls.push_back(CDataDownload(curl, finalUrl, dest, fp, ImgType, img, "", "", style));
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RunningCurls++;
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#ifdef LOG_DL
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nlwarning("adding handle %x, %d curls", curl, Curls.size());
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nlwarning("(%s) adding handle %x, %d curls", _Id.c_str(), Curls.back().curl, Curls.size());
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}
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else
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{
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nlwarning("(%s) download queued, %d curls", _Id.c_str(), Curls.size());
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#endif
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RunningCurls++;
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}
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}
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else
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{
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@ -378,14 +407,9 @@ namespace NLGUI
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}
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string dest = localBnpName(url);
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string tmpdest = localBnpName(url)+".tmp";
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#ifdef LOG_DL
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nlwarning("add to download '%s' dest '%s'", url.c_str(), dest.c_str());
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#endif
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// erase the tmp file if exists
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if (NLMISC::CFile::fileExists(tmpdest))
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NLMISC::CFile::deleteFile(tmpdest);
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// create/delete the local file
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if (NLMISC::CFile::fileExists(dest))
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@ -402,39 +426,23 @@ namespace NLGUI
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}
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if (action != "delete")
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{
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if (!MultiCurl)
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Curls.push_back(CDataDownload(url, dest, BnpType, NULL, script, md5sum));
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if (Curls.size() < options.curlMaxConnections)
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{
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nlwarning("Invalid MultiCurl handle, unable to download '%s'", url.c_str());
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return false;
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}
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CURL *curl = curl_easy_init();
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if (!curl)
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{
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nlwarning("Creating cURL handle failed, unable to download '%s'", url.c_str());
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return false;
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}
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FILE *fp = nlfopen (tmpdest, "wb");
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if (fp == NULL)
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{
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curl_easy_cleanup(curl);
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nlwarning("Can't open file '%s' for writing: code=%d '%s'", tmpdest.c_str (), errno, strerror(errno));
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return false;
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}
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, true);
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curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite);
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curl_multi_add_handle(MultiCurl, curl);
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Curls.push_back(CDataDownload(curl, url, dest, fp, BnpType, NULL, script, md5sum));
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if (!startCurlDownload(Curls.back()))
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{
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Curls.pop_back();
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return false;
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}
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RunningCurls++;
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#ifdef LOG_DL
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nlwarning("adding handle %x, %d curls", curl, Curls.size());
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nlwarning("(%s) adding handle %x, %d curls", _Id.c_str(), Curls.back().curl, Curls.size());
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}
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else
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{
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nlwarning("(%s) download queued, %d curls", _Id.c_str(), Curls.size());
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#endif
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RunningCurls++;
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}
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}
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else
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return true;
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@ -631,7 +639,30 @@ namespace NLGUI
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}
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}
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}
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RunningCurls = NewRunningCurls;
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if (RunningCurls < options.curlMaxConnections)
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{
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for (vector<CDataDownload>::iterator it=Curls.begin(); it<Curls.end(); it++)
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{
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if (it->curl == NULL) {
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#ifdef LOG_DL
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nlwarning("(%s) starting new download '%s'", _Id.c_str(), it->url.c_str());
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#endif
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if (!startCurlDownload(*it))
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{
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Curls.erase(it);
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break;
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}
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RunningCurls++;
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if (RunningCurls >= options.curlMaxConnections)
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break;
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}
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}
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}
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#ifdef LOG_DL
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if (RunningCurls > 0 || !Curls.empty())
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nlwarning("(%s) RunningCurls %d, _Curls %d", _Id.c_str(), RunningCurls, Curls.size());
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@ -4531,6 +4562,18 @@ namespace NLGUI
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Curls[i].imgs.clear();
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}
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// remove download that are still queued
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for (vector<CDataDownload>::iterator it=Curls.begin(); it<Curls.end(); )
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{
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if (it->curl == NULL) {
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#ifdef LOG_DL
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nlwarning("Remove waiting curl download (%s)", it->url.c_str());
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#endif
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it = Curls.erase(it);
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} else {
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++it;
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}
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}
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}
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// ***************************************************************************
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