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#include <cstring>
#include <openssl/md5.h>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <string>
#include <sstream>
#include "tools.h"
#include "recordings.h"
using namespace boost;
using namespace std;
namespace vdrlive {
RecordingsManager::RecordingsManager() :
m_recordingsLock(&Recordings)
{
}
string RecordingsManager::Md5Hash(const cRecording* recording) const
{
unsigned char md5[MD5_DIGEST_LENGTH];
const char* fileName = recording->FileName();
MD5(reinterpret_cast<const unsigned char*>(fileName), strlen(fileName), md5);
ostringstream hashStr;
hashStr << hex;
for (size_t i = 0; i < MD5_DIGEST_LENGTH; i++)
hashStr << (0 + md5[i]);
return hashStr.str();
}
const cRecording* RecordingsManager::GetByMd5Hash(const string& hash) const
{
if (!hash.empty()) {
for (cRecording* rec = Recordings.First(); rec != 0; rec = Recordings.Next(rec)) {
if (hash == Md5Hash(rec))
return rec;
}
}
return 0;
}
RecordingsTree::RecordingsTree(RecordingsManagerPtr recMan) :
m_maxLevel(0),
m_root(new RecordingsItemDir()),
m_recManPtr(recMan)
{
// esyslog("DH: ****** RecordingsTree::RecordingsTree() ********");
for ( cRecording* recording = Recordings.First(); recording != 0; recording = Recordings.Next( recording ) ) {
if (m_maxLevel < recording->HierarchyLevels()) {
m_maxLevel = recording->HierarchyLevels();
}
RecordingsItemPtr dir = m_root;
string name(recording->Name());
// esyslog("DH: recName = '%s'", recording->Name());
int level = 0;
size_t index = 0;
size_t pos = 0;
do {
pos = name.find('~', index);
if (pos != string::npos) {
string dirName(name.substr(index, pos - index));
index = pos + 1;
Map::iterator i = findDir(dir, dirName);
if (i == dir->m_entries.end()) {
RecordingsItemPtr recPtr (new RecordingsItemDir(dirName, level));
dir->m_entries.insert(pair< string, RecordingsItemPtr > (dirName, recPtr));
i = findDir(dir, dirName);
if (i != dir->m_entries.end()) {
// esyslog("DH: added dir: '%s'", dirName.c_str());
}
else {
// esyslog("DH: panic: didn't found inserted dir: '%s'", dirName.c_str());
}
}
dir = i->second;
// esyslog("DH: current dir: '%s'", dir->Name().c_str());
level++;
}
else {
string recName(name.substr(index, name.length() - index));
RecordingsItemPtr recPtr (new RecordingsItemRec(m_recManPtr->Md5Hash(recording), recName, recording));
dir->m_entries.insert(pair< string, RecordingsItemPtr > (recName, recPtr));
// esyslog("DH: added rec: '%s'", recName.c_str());
}
} while (pos != string::npos);
}
// esyslog("DH: ------ RecordingsTree::RecordingsTree() --------");
}
RecordingsTree::~RecordingsTree()
{
// esyslog("DH: ****** RecordingsTree::~RecordingsTree() ********");
}
RecordingsTree::Map::iterator RecordingsTree::begin(const vector< string >& path)
{
if (path.empty()) {
return m_root->m_entries.begin();
}
RecordingsItemPtr recItem = m_root;
for (vector< string >::const_iterator i = path.begin(); i != path.end(); ++i)
{
pair< Map::iterator, Map::iterator> range = recItem->m_entries.equal_range(*i);
for (Map::iterator iter = range.first; iter != range.second; ++iter) {
if (iter->second->IsDir()) {
recItem = iter->second;
break;
}
}
}
return recItem->m_entries.begin();
}
RecordingsTree::Map::iterator RecordingsTree::end(const vector< string >&path)
{
if (path.empty()) {
return m_root->m_entries.end();
}
RecordingsItemPtr recItem = m_root;
for (vector< string >::const_iterator i = path.begin(); i != path.end(); ++i)
{
pair< Map::iterator, Map::iterator> range = recItem->m_entries.equal_range(*i);
for (Map::iterator iter = range.first; iter != range.second; ++iter) {
if (iter->second->IsDir()) {
recItem = iter->second;
break;
}
}
}
return recItem->m_entries.end();
}
RecordingsTree::Map::iterator RecordingsTree::findDir(RecordingsItemPtr& dir, const string& dirName)
{
pair< Map::iterator, Map::iterator > range = dir->m_entries.equal_range(dirName);
for (Map::iterator i = range.first; i != range.second; ++i) {
if (i->second->IsDir()) {
return i;
}
}
return dir->m_entries.end();
}
RecordingsTree::RecordingsItem::RecordingsItem(const string& name) :
m_name(name),
m_entries()
{
}
RecordingsTree::RecordingsItem::~RecordingsItem()
{
}
RecordingsTree::RecordingsItemDir::RecordingsItemDir() :
RecordingsItem(""),
m_level(0)
{
}
RecordingsTree::RecordingsItemDir::~RecordingsItemDir()
{
}
RecordingsTree::RecordingsItemDir::RecordingsItemDir(const string& name, int level) :
RecordingsItem(name),
m_level(level)
{
}
RecordingsTree::RecordingsItemRec::RecordingsItemRec(const string& id, const string& name, cRecording* recording) :
RecordingsItem(name),
m_recording(recording),
m_id(id)
{
}
RecordingsTree::RecordingsItemRec::~RecordingsItemRec()
{
}
time_t RecordingsTree::RecordingsItemRec::StartTime() const
{
return m_recording->start;
}
RecordingsManagerPtr LiveRecordingsManager()
{
static weak_ptr<RecordingsManager> livingRecMan;
RecordingsManagerPtr r = livingRecMan.lock();
if (r) {
return r;
}
else {
RecordingsManagerPtr n(new RecordingsManager);
livingRecMan = n;
return n;
}
}
} // namespace vdrlive
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