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Code Issues Projects Releases Packages Wiki Activity Actions 3

- Fixed download from url function (should be a lot less buggy). It improves downloads from search engine since it uses this function

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- Removed torrentReactor search engine (hopefully temporarilly) because I can't manage to download from their links using libcurl
- When HTTP response code is 500 (5xx in fact: too busy), downloader will retry 10 times every second.
This commit is contained in:
Christophe Dumez 2006-10-05 19:01:41 +00:00
parent b54e40c87d
commit a072247e70
5 changed files with 41 additions and 25 deletions
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30
src/downloadThread.h
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@ -49,9 +49,12 @@ class downloadThread : public QThread {
void downloadUrl(const QString& url){
mutex.lock();
qDebug("In Download thread function, mutex locked");
url_list << url;
mutex.unlock();
qDebug("In Download thread function, mutex unlocked (url added)");
if(!isRunning()){
qDebug("In Download thread function, Launching thread (was stopped)");
start();
}
}
@ -59,12 +62,14 @@ class downloadThread : public QThread {
void run(){
forever{
mutex.lock();
qDebug("In Download thread RUN, mutex locked");
if(url_list.size() != 0){
QString url = url_list.takeFirst();
mutex.unlock();
qDebug("In Download thread RUN, mutex unlocked (got url)");
CURL *curl;
std::string filePath;
int return_code;
int return_code, response;
// XXX: Trick to get a unique filename
QTemporaryFile *tmpfile = new QTemporaryFile;
if (tmpfile->open()) {
@ -83,8 +88,10 @@ class downloadThread : public QThread {
fclose(file);
return;
}
std::string urlString = url.toStdString();
// Set url to download
curl_easy_setopt(curl, CURLOPT_URL, (void*) url.toStdString().c_str());
curl_easy_setopt(curl, CURLOPT_URL, urlString.c_str());
qDebug("Url: %s", urlString.c_str());
// Define our callback to get called when there's data to be written
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, misc::my_fwrite);
// Set destination file
@ -104,6 +111,7 @@ class downloadThread : public QThread {
curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");
// We want error message:
char errorBuffer[CURL_ERROR_SIZE];
errorBuffer[0]=0; /* prevent junk from being output */
return_code = curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorBuffer);
if(return_code){
std::cout << "Error: failed to set error buffer in curl\n";
@ -111,15 +119,29 @@ class downloadThread : public QThread {
QFile::remove(filePath.c_str());
return;
}
// Perform Download
return_code = curl_easy_perform(curl);
int retries = 0;
bool to_many_users = false;
do{
// Perform Download
return_code = curl_easy_perform(curl);
// We want HTTP response code
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
qDebug("HTTP response code: %d", response);
if(response/100 == 5){
to_many_users = true;
++retries;
SleeperThread::msleep(1000);
}
}while(to_many_users && retries < 10);
// Cleanup
curl_easy_cleanup(curl);
// Close tmp file
fclose(file);
emit downloadFinished(url, QString(filePath.c_str()), return_code, QString(errorBuffer));
qDebug("In Download thread RUN, signal emitted, ErrorBuffer: %s", errorBuffer);
}else{
mutex.unlock();
qDebug("In Download thread RUN, mutex unlocked (no urls) -> stopping");
break;
}
}