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/*
* recording.c: Duplicate recording handling.
*
* See the README file for copyright information and how to reach the author.
*
* $Id$
*/
#include "config.h"
#include "recording.h"
#include <sys/time.h>
#include <sstream>
// --- cDuplicateRecording -------------------------------------------------------
cDuplicateRecording::cDuplicateRecording(void) : visibility(NULL) {
duplicates = new cList<cDuplicateRecording>;
}
cDuplicateRecording::cDuplicateRecording(const cRecording *Recording) : visibility(Recording->FileName()) {
checked = false;
fileName = std::string(Recording->FileName());
text = std::string(Recording->Title('\t', true));
if (dc.title && Recording->Info()->Title())
title = std::string(Recording->Info()->Title());
else
title = std::string();
std::stringstream desc;
if (Recording->Info()->ShortText())
desc << std::string(Recording->Info()->ShortText());
if (Recording->Info()->Description())
desc << std::string(Recording->Info()->Description());
description = desc.str();
while(true) {
size_t found = description.find("|");
if (found == std::string::npos)
break;
description.replace(found, 1, "");
}
while(true) {
size_t found = description.find(" ");
if (found == std::string::npos)
break;
description.replace(found, 1, "");
}
duplicates = NULL;
}
cDuplicateRecording::cDuplicateRecording(const cDuplicateRecording &DuplicateRecording) :
checked(DuplicateRecording.checked),
visibility(DuplicateRecording.visibility),
fileName(DuplicateRecording.fileName),
text(DuplicateRecording.text),
title(DuplicateRecording.title),
description(DuplicateRecording.description) {
if (DuplicateRecording.duplicates != NULL) {
duplicates = new cList<cDuplicateRecording>;
for (const cDuplicateRecording *duplicate = DuplicateRecording.duplicates->First(); duplicate; duplicate = DuplicateRecording.duplicates->Next(duplicate)) {
duplicates->Add(new cDuplicateRecording(*duplicate));
}
} else
duplicates = NULL;
}
cDuplicateRecording::~cDuplicateRecording() {
delete duplicates;
}
bool cDuplicateRecording::IsDuplicate(cDuplicateRecording *DuplicateRecording) {
if (!HasDescription() || !DuplicateRecording->HasDescription())
return false;
size_t found;
if (dc.title) {
found = title.size() > DuplicateRecording->title.size() ?
title.find(DuplicateRecording->title) : DuplicateRecording->title.find(title);
if (found == std::string::npos)
return false;
}
found = description.size() > DuplicateRecording->description.size() ?
description.find(DuplicateRecording->description) : DuplicateRecording->description.find(description);
if (found != std::string::npos)
return dc.hidden || visibility.Read() != HIDDEN && DuplicateRecording->visibility.Read() != HIDDEN;
return false;
}
// --- cDuplicateRecordings ------------------------------------------------------
cDuplicateRecordings::cDuplicateRecordings(void) : cList("duplicates") {}
cDuplicateRecordings DuplicateRecordings;
// --- cDuplicateRecordingScannerThread ------------------------------------------
cDuplicateRecordingScannerThread::cDuplicateRecordingScannerThread() : cThread("duplicate recording scanner", true) {
title = dc.title;
hidden = dc.hidden;
}
cDuplicateRecordingScannerThread::~cDuplicateRecordingScannerThread(){
Stop();
}
void cDuplicateRecordingScannerThread::Stop() {
Cancel(3);
}
void cDuplicateRecordingScannerThread::Action(void) {
while (Running()) {
if (title != dc.title || hidden != dc.hidden) {
recordingsStateKey.Reset();
title = dc.title;
hidden = dc.hidden;
}
if (cRecordings::GetRecordingsRead(recordingsStateKey)) {
recordingsStateKey.Remove();
Scan();
}
if (Running())
cCondWait::SleepMs(250);
}
}
void cDuplicateRecordingScannerThread::Scan(void) {
struct timeval startTime, stopTime;
gettimeofday(&startTime, NULL);
cStateKey duplicateRecordingsStateKey;
DuplicateRecordings.Lock(duplicateRecordingsStateKey, true);
cDuplicateRecording *descriptionless = new cDuplicateRecording();
cList<cDuplicateRecording> recordings;
DuplicateRecordings.Clear();
{
cRecordings *Recordings = cRecordings::GetRecordingsWrite(recordingsStateKey); // write access is necessary for sorting!
Recordings->Sort();
for (const cRecording *recording = Recordings->First(); recording; recording = Recordings->Next(recording)) {
cDuplicateRecording *Item = new cDuplicateRecording(recording);
if (Item->HasDescription())
recordings.Add(Item);
else if (dc.hidden || Item->Visibility().Read() != HIDDEN)
descriptionless->Duplicates()->Add(Item);
}
recordingsStateKey.Remove(false); // sorting doesn't count as a real modification
}
for (cDuplicateRecording *recording = recordings.First(); recording; recording = recordings.Next(recording)) {
if (!Running())
return;
if (cIoThrottle::Engaged())
cCondWait::SleepMs(100);
if (!recording->Checked()) {
recording->SetChecked();
cDuplicateRecording *duplicates = new cDuplicateRecording();
duplicates->Duplicates()->Add(new cDuplicateRecording(*recording));
for (cDuplicateRecording *compare = recordings.First(); compare; compare = recordings.Next(compare)) {
if (!compare->Checked()) {
if (recording->IsDuplicate(compare)) {
duplicates->Duplicates()->Add(new cDuplicateRecording(*compare));
compare->SetChecked();
}
}
}
if (duplicates->Duplicates()->Count() > 1) {
duplicates->SetText(cString::sprintf(tr("%d duplicate recordings"), duplicates->Duplicates()->Count()));
DuplicateRecordings.Add(duplicates);
} else
delete duplicates;
}
}
if (descriptionless->Duplicates()->Count() > 0) {
descriptionless->SetText(cString::sprintf(tr("%d recordings without description"), descriptionless->Duplicates()->Count()));
DuplicateRecordings.Add(descriptionless);
} else
delete descriptionless;
duplicateRecordingsStateKey.Remove();
gettimeofday(&stopTime, NULL);
double seconds = (((long long)stopTime.tv_sec * 1000000 + stopTime.tv_usec) - ((long long)startTime.tv_sec * 1000000 + startTime.tv_usec)) / 1000000.0;
dsyslog("duplicates: Scanning of duplicates took %.2f seconds.", seconds);
}
cDuplicateRecordingScannerThread DuplicateRecordingScanner;
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