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/*
* vdrProvider.cpp
*
* Created on: 01.10.2012
* Author: savop
*/
#include <plugin.h>
#include <server.h>
#include <vdr/epg.h>
#include <vdr/channels.h>
#include <vdr/tools.h>
#include <vdr/plugin.h>
#include <string>
#include <sstream>
#include <algorithm>
#include <tools.h>
#include <pwd.h>
#include <unistd.h>
using namespace std;
namespace upnp {
class VdrProvider : public cUPnPResourceProvider {
private:
time_t lastModified;
int from;
int to;
bool Parse(const string& line)
{
int pos = 0;
if((pos = line.find_first_of('-')) != string::npos){
from = atoi(line.substr(0, pos).c_str());
to = atoi(line.substr(pos+1).c_str());
return true;
}
return false;
}
int GetGroupByName(const string name)
{
if(name.empty()) return -1;
int Idx = -1;
cChannel *group = Channels.Get(++Idx);
while (group && !(group->GroupSep() && name.compare(group->Name()) == 0))
group = Channels.Get(++Idx);
return group ? Idx : -1;
}
string GetContainerName(string uri){
return uri.substr(6,uri.size()-7);
}
cCondWait sleep;
public:
VdrProvider()
: lastModified(0)
, from(0)
, to(INT_MAX)
{
LoadConfigFile("vdrProvider.conf");
}
virtual ~VdrProvider(){
sleep.Signal();
Cancel(5);
}
virtual string ProvidesSchema(){ return "vdr"; }
virtual string GetRootContainer(){
return ProvidesSchema() + "://";
}
virtual StringList GetContainerEntries(const string& uri){
if(!HasRootContainer(uri)) return StringList();
StringList list;
int index;
cChannel* channel = NULL;
if(to == 0) to = INT_MAX;
// Check if this is the root and we have no groups in the channels.conf:
if(uri.compare(GetRootContainer()) == 0 && Channels.GetNextGroup(0) == -1){
for(index = Channels.GetNextNormal(from - 1); (channel = Channels.Get(index)) && index < to; index = Channels.GetNextNormal(index)){
list.push_back(*channel->GetChannelID().ToString());
}
} else {
string u = GetContainerName(uri);
if((index = GetGroupByName(u)) != -1){
while((channel = Channels.Get(++index)) != NULL){
if(channel->GroupSep()){
// We reached the next group. So, stop here.
if(*channel->Name())
break;
} else {
list.push_back(*channel->GetChannelID().ToString());
}
}
} else {
for(index = Channels.GetNextGroup(from - 1); (channel = Channels.Get(index)) && index < to; index = Channels.GetNextGroup(index)){
string group = tools::ToUTF8String(channel->Name()) + '/';
list.push_back(group);
}
}
}
return list;
}
virtual bool IsContainer(const string& uri){
return uri.compare(GetRootContainer()) == 0 || GetGroupByName(GetContainerName(uri)) != -1;
}
virtual bool IsLink(const string& uri, string& target){
// TODO: what are Channel::RefChannel or LinkChannels ?
return false;
}
virtual long GetContainerUpdateId(const string& uri){
if(!HasRootContainer(uri)) return 0;
// We now have containers. However, they do not support containerUpdateIDs separately.
return (long)lastModified;
}
virtual bool GetMetadata(const string& uri, cMetadata& metadata){
if(!HasRootContainer(uri)) return false;
if(!cUPnPResourceProvider::GetMetadata(uri, metadata)) return false;
int index = 0;
cChannel* channel;
if(uri.compare(GetRootContainer()) == 0){
metadata.SetProperty(cMetadata::Property(property::object::KEY_TITLE, string("VDR Live-TV")));
metadata.SetProperty(cMetadata::Property(property::object::KEY_DESCRIPTION, string("Watch Live-TV")));
} else if((index = GetGroupByName(GetContainerName(uri))) != -1 && (channel = Channels.Get(index)) != NULL){
string chanName = tools::ToUTF8String(channel->Name());
metadata.SetProperty(cMetadata::Property(property::object::KEY_TITLE, chanName));
metadata.SetProperty(cMetadata::Property(property::object::KEY_DESCRIPTION, chanName));
} else {
return false;
}
metadata.SetProperty(cMetadata::Property("dlna:containerType", string("Tuner_1_0")));
struct passwd *pw;
if((pw = getpwuid(getuid())) == NULL){
metadata.SetProperty(cMetadata::Property(property::object::KEY_CREATOR, string("Klaus Schmidinger")));
} else {
string name(pw->pw_gecos); name = name.substr(0,name.find(",,,",0));
metadata.SetProperty(cMetadata::Property(property::object::KEY_CREATOR, name));
}
return true;
}
virtual string GetHTTPUri(const string& uri, const string& currentIP, const string& pInfo){
if(!HasRootContainer(uri)) return string();
int port = 3000;
stringstream ss;
string protocolInfo = pInfo.substr(pInfo.find_last_of(':'));
std::replace(protocolInfo.begin(), protocolInfo.end(), ';','+');
ss << "http://" << currentIP << ":" << port
<< "/"
<< "EXT;"
<< "PROG=cat;"
<< "DLNA_contentFeatures=" << protocolInfo
<< "/"
<< uri.substr(uri.find_last_of('/')+1);
return ss.str();
}
virtual void Action(){
#define SLEEP_TIMEOUT 120
const cSchedules* Schedules;
cSchedule* Schedule;
const cEvent* event;
long now = 0;
bool modified = false;
StringList targets;
while(Running()){
event = NULL;
now = time(NULL);
{ // Reduce Scope of Schedules lock.
cSchedulesLock lock;
Schedules = cSchedules::Schedules(lock);
// iterate over all the schedules, find those, which were modified and tell
// it to the media manager. If we found an entry, there's no need to continue searching.
for(Schedule = Schedules->First(); Schedule; Schedule = Schedules->Next(Schedule))
{
// Get the next event of the schedule...
event = Schedule->GetFollowingEvent();
if(event){
// and check if it starts after the last modification and in two minutes from now.
// This causes an update only if there is at least one element in the schedule
// which starts within the next two minutes. Other elements, which will start later,
// will be skipped.
if(event->StartTime() > lastModified && event->StartTime() < now + SLEEP_TIMEOUT){
modified = true;
targets.push_back(*event->ChannelID().ToString());
break;
}
} else if(Schedule->Modified() > lastModified){
targets.push_back(*event->ChannelID().ToString());
modified = true;
break;
}
}
}
if(modified){
OnContainerUpdate(GetRootContainer(), now, targets);
targets.clear();
modified = false;
lastModified = now;
}
// Sleep 2 minutes
sleep.Wait(SLEEP_TIMEOUT * 1000);
}
}
};
UPNP_REGISTER_RESOURCE_PROVIDER(VdrProvider);
} // namespace upnp
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