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tools.cpp
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#include "tools.h"
#include <vdr/videodir.h>
using namespace std;
// --- Settings ----------------------------------------------------------------
bool Settings::SetPort(std::string v)
{
int p = StringExtension::strtoi(v);
if ( p > 1024 && p <= 65535 ) {
port = p;
esyslog("restfulapi: Port has been set to %i!", port);
return true;
}
return false;
}
bool Settings::SetIp(std::string v)
{
vector<string> parts = StringExtension::split(v, ".");
if ( parts.size() != 4 ) {
return false;
}
for (int i=0;i<(int)parts.size();i++) {
int val = StringExtension::strtoi(parts[i]);
if ( val < 0 || val > 255 ) {
return false;
}
}
ip = v;
esyslog("restfulapi: Ip has been set to %s!", ip.c_str());
return true;
}
bool Settings::SetEpgImageDirectory(std::string v)
{
struct stat stat_info;
if ( stat(v.c_str(), &stat_info) == 0) {
if (v[v.length()-1] == '/')
epgimage_dir = v.substr(0, v.length()-1);
else
epgimage_dir = v;
esyslog("restfulapi: The EPG-Images will be loaded from %s!", epgimage_dir.c_str());
return true;
}
return false;
}
bool Settings::SetChannelLogoDirectory(std::string v)
{
struct stat stat_info;
if ( stat(v.c_str(), &stat_info) == 0) {
if (v[v.length()-1] == '/')
channellogo_dir = v.substr(0, v.length()-1);
else
channellogo_dir = v;
esyslog("restfulapi: The Channel-Logos will be loaded from %s!", channellogo_dir.c_str());
return true;
}
return false;
}
bool Settings::SetWebappDirectory(std::string v)
{
string app_name;
string path;
if (v.find(",")) {
vector<string> paths = StringExtension::split(v, ",");
vector<string>::iterator it = paths.begin();
vector<string> path_parts;
int index = 0;
for(; it != paths.end(); ++it) {
path = paths[index];
addWebapp(path);
index++;
}
} else {
addWebapp(v);
}
return true;
}
void Settings::addWebapp(string path) {
struct stat stat_info;
string app_name;
if (path[path.length()-1] == '/')
path = path.substr(0, path.length()-1);
app_name = path.substr(path.find_last_of("/") + 1, path.length());
if ( stat(path.c_str(), &stat_info) == 0) {
webapps[app_name] = path;
webapp_dir += webapp_dir == "" ? path : ", " + path;
esyslog("restfulapi: Webapp '%s' configured for path '%s'!", app_name.c_str(), path.c_str());
} else {
esyslog("restfulapi: can not add webapp '%s'! Path '%s' does not exist!", app_name.c_str(), path.c_str());
}
};
bool Settings::SetCacheDir(std::string v) {
struct stat stat_info;
if ( stat(v.c_str(), &stat_info) == 0) {
if (v[v.length()-1] == '/')
cache_dir = v.substr(0, v.length()-1);
else
cache_dir = v;
esyslog("restfulapi: The cached files will be loaded from %s!", cache_dir.c_str());
return true;
}
return false;
}
bool Settings::SetConfDir(std::string v) {
struct stat stat_info;
if ( stat(v.c_str(), &stat_info) == 0) {
if (v[v.length()-1] == '/')
conf_dir = v.substr(0, v.length()-1);
else
conf_dir = v;
esyslog("restfulapi: The config dir is %s!", cache_dir.c_str());
return true;
}
return false;
}
bool Settings::SetHeaders(std::string v)
{
if ( v == "false" ) {
activateHeaders = false;
} else {
activateHeaders = true;
}
return true;
}
bool Settings::InitWebappFileTypes() {
webapp_file_types["html"] = "text/html";
webapp_file_types["js"] = "application/javascript";
webapp_file_types["css"] = "text/css";
webapp_file_types["gif"] = "image/gif";
webapp_file_types["png"] = "image/png";
webapp_file_types["jpg"] = "image/jpeg";
webapp_file_types["jpeg"] = webapp_file_types["jpg"];
webapp_file_types["jpe"] = webapp_file_types["jpg"];
webapp_file_types["svg"] = "image/svg+xml";
webapp_file_types["ico"] = "image/vnd.microsoft.icon";
webapp_file_types["xml"] = "application/xml";
webapp_file_types["appcache"] = "text/cache-manifest";
webapp_file_types["manifest"] = webapp_file_types["appcache"];
webapp_file_types["mkv"] = "video/mkv";
webapp_file_types["map"] = "application/json";
webapp_file_types["txt"] = "text/plain";
string fileTypesPath = ConfDirectory() + "/" + webapp_filetypes_filename;
if ( !FileExtension::get()->exists(fileTypesPath)) {
FILE * fp;
fp = fopen(fileTypesPath.c_str(), "w");
map<string, string>::iterator it;
esyslog("restfulapi: Webapp file types config file %s missing... Creating it with defaults.", fileTypesPath.c_str());
if ( fp != NULL ) {
for (it = webapp_file_types.begin(); it != webapp_file_types.end(); it++) {
fputs((it->first + "=" + it->second + "\n").c_str(), fp);
}
fclose(fp);
} else {
esyslog("restfulapi: could not open %s for writing: %s", fileTypesPath.c_str(), strerror(errno));
}
} else {
esyslog("restfulapi: Webapp file types config file %s found.", fileTypesPath.c_str());
webapp_file_types.clear();
}
return true;
};
bool Settings::AddWebappFileType(string ext, string type) {
webapp_file_types[ext] = type;
return true;
};
map<std::string, std::string> Settings::WebappFileTypes() {
return webapp_file_types;
};
std::string Settings::WebappDirectory() {
string glue = ",";
return StringExtension::join(webapps, glue);
}
Settings* Settings::get()
{
static Settings settings;
return &settings;
}
void Settings::initDefault()
{
SetPort((string)"8002");
SetIp((string)"0.0.0.0");
SetEpgImageDirectory((string)"/var/cache/vdr/epgimages");
SetChannelLogoDirectory((string)"/usr/share/vdr/channel-logos");
SetWebappDirectory((string)"/var/lib/vdr/plugins/restfulapi/webapp");
SetHeaders((string)"true");
webapp_filetypes_filename = "webapp_file_types.conf";
}
// --- HtmlHeader --------------------------------------------------------------
void HtmlHeader::ToStream(StreamExtension* se)
{
se->write("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
se->write("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n");
se->write("<html xml:lang=\"en\" lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\">\n");
se->write("<head>\n");
se->write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n");
// WebApp support
se->write("<meta name=\"apple-mobile-web-app-capable\" content=\"yes\" />\n");
se->write("<meta name=\"apple-mobile-web-app-status-bar-style\" content=\"default\" />\n");
se->write("<meta name=\"viewport\" content=\"width=device-width\" id=\"viewport\" />\n");
for (int i=0;i<(int)_metatags.size();i++)
{
se->write(_metatags[i].c_str());
se->write("\n");
}
se->write("<title>");
se->write(_title.c_str());
se->write("</title>\n");
se->write("<style type=\"text/css\">\n");
for (int i=0;i<(int)_stylesheets.size();i++)
{
se->writeBinary(_stylesheets[i]);
se->write("\n");
}
se->write("</style>\n");
se->write("<script type=\"text/javascript\">\n//<![CDATA[\n\n");
for (int i=0;i<(int)_scripts.size();i++)
{
se->writeBinary(_scripts[i]);
}
se->write("\n//]]>\n</script>\n");
if ( _onload.size() == 0 ) {
se->write("</head><body>\n");
} else {
se->write("<body onload=\"");
//f.e. javascript:bootstrap();
se->write(_onload.c_str());
se->write("\">\n");
}
}
// --- StreamExtension ---------------------------------------------------------
StreamExtension::StreamExtension(std::ostream *out)
{
_out = out;
}
std::ostream* StreamExtension::getBasicStream()
{
return _out;
}
void StreamExtension::write(const char* str)
{
std::string data = (std::string)str;
_out->write(str, data.length());
}
void StreamExtension::writeHtmlHeader(std::string title)
{
write("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
write("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n");
write("<html xml:lang=\"en\" lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\">\n");
write("<head>\n");
write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n");
// WebApp support
write("<meta name=\"apple-mobile-web-app-capable\" content=\"yes\" />\n");
write("<meta name=\"apple-mobile-web-app-status-bar-style\" content=\"default\" />\n");
write("<meta name=\"viewport\" content=\"width=device-width\" id=\"viewport\" />\n");
write("<title>VDR-Plugin-Restfulapi: ");
if ( title.length() > 0 ) write(title.c_str());
write("</title>");
write("</head>\n<body>\n");
}
void StreamExtension::writeXmlHeader()
{
write("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n");
}
bool StreamExtension::writeBinary(std::string path)
{
ifstream* in = new ifstream(path.c_str(), ios::in | ios::binary | ios::ate);
bool result = false;
if ( in->is_open() ) {
int size = in->tellg();
char* memory = new char[size];
in->seekg(0, ios::beg);
in->read(memory, size);
_out->write(memory, size);
delete[] memory;
result = true;
}
in->close();
delete in;
return result;
}
// --- FileNotifier -----------------------------------------------------------
FileNotifier::~FileNotifier()
{
if ( active == true ) {
Stop();
}
}
void FileNotifier::Initialize(int mode)
{
_mode = mode;
string watch;
if ( _mode == FileNotifier::EVENTS) {
watch = Settings::get()->EpgImageDirectory().c_str();
} else if ( _mode == FileNotifier::CHANNELS) {
watch = Settings::get()->ChannelLogoDirectory().c_str();
} else if ( _mode == FileNotifier::WEBAPPFILETYPES ) {
watch = Settings::get()->ConfDirectory().c_str();
}
esyslog("restfulapi: Initializing inotify for %s", watch.c_str());
_filedescriptor = inotify_init();
_wd = -1;
if ( watch.length() == 0 ) {
esyslog("restfulapi: Initializing inotify for epgimages or channellogos failed! (Check restfulapi-settings!)");
} else {
if ( watch.length() > 0 ) {
_wd = inotify_add_watch( _filedescriptor, watch.c_str(), IN_CREATE | IN_DELETE | IN_MODIFY);
if ( _wd < 0 )
esyslog("restfulapi: Initializing inotify for %s failed!", watch.c_str());
else
esyslog("restfulapi: Initializing inotify for %s finished.", watch.c_str());
}
}
if (_wd >= 0) {
active = true;
Start();
}
}
void FileNotifier::Action(void)
{
int length, i;
char buffer[BUF_LEN];
while(active) {
struct pollfd pfd[1];
pfd[0].fd = _filedescriptor;
pfd[0].events = POLLIN;
if ( poll(pfd, 1, 500) > 0 ) {
length = read( _filedescriptor, buffer, BUF_LEN );
i = 0;
if ( length > 0 ) {
while ( i < length ) {
struct inotify_event *event = ( struct inotify_event * ) &buffer[ i ];
if ( event->len > 0 && !(event->mask & IN_ISDIR) ) {
if (event->mask & IN_CREATE) {
//esyslog("restfulapi: inotify: found new image: %s", event->name);
if ( _mode == FileNotifier::EVENTS )
FileCaches::get()->addEventImage((std::string)event->name);
else if ( _mode == FileNotifier::CHANNELS )
FileCaches::get()->addChannelLogo((std::string)event->name);
else if ( _mode == FileNotifier::WEBAPPFILETYPES && event->name == Settings::get()->WebAppFileTypesFilename())
FileCaches::get()->cacheWebappFileTypes();
}
if (event->mask & IN_DELETE) {
//esyslog("restfulapi: inotify: image %s has been removed", event->name);
if ( _mode == FileNotifier::EVENTS )
FileCaches::get()->removeEventImage((std::string)event->name);
else if ( _mode == FileNotifier::CHANNELS )
FileCaches::get()->removeChannelLogo((std::string)event->name);
}
if (event->mask & IN_MODIFY) {
//esyslog("restfulapi: inotify: file %s has been modified", event->name);
if ( _mode == FileNotifier::WEBAPPFILETYPES && event->name == Settings::get()->WebAppFileTypesFilename() )
FileCaches::get()->cacheWebappFileTypes();
}
}
i += EVENT_SIZE + event->len;
}
}
}
}
esyslog("restfulapi: Stopped watching directory!");
}
void FileNotifier::Stop()
{
if ( active != false ) {
active = false;
Cancel(0.1);
( void ) inotify_rm_watch( _filedescriptor, _wd );
( void ) close( _filedescriptor );
}
}
// --- FileCaches -------------------------------------------------------------
FileCaches* FileCaches::get()
{
static FileCaches instance;
return &instance;
}
void FileCaches::cacheEventImages()
{
string imageFolder = Settings::get()->EpgImageDirectory();
string folderWildcard = imageFolder + (string)"/*";
VdrExtension::scanForFiles(folderWildcard, eventImages);
}
void FileCaches::cacheChannelLogos()
{
string imageFolder = Settings::get()->ChannelLogoDirectory();
string folderWildcard = imageFolder + (string)"/*";
VdrExtension::scanForFiles(folderWildcard, channelLogos);
}
void FileCaches::cacheWebappFileTypes() {
FILE * typesFile;
string typesFileName = Settings::get()->ConfDirectory() + "/" + Settings::get()->WebAppFileTypesFilename();
char filetype[100];
string line;
Settings* settings = Settings::get();
settings->InitWebappFileTypes();
if (FileExtension::get()->exists(typesFileName)) {
typesFile = fopen(typesFileName.c_str(), "r");
if (typesFile != NULL) {
while (fgets(filetype, 100, typesFile)) {
if ( ((string)filetype).find("#") != string::npos ) {
line = ((string)filetype).substr(0, ((string)filetype).find_first_of("#"));
} else {
line = (string)filetype;
}
if (line.find("=") != string::npos) {
settings->AddWebappFileType(
StringExtension::trim(line.substr(0, line.find_first_of("="))),
StringExtension::trim(line.substr(line.find_first_of("=") + 1))
);
}
}
fclose(typesFile);
}
}
}
void FileCaches::searchEventImages(int eventid, std::vector< std::string >& files)
{
cxxtools::Regex regex( (string)"^" + StringExtension::itostr(eventid) + (string)"(_[0-9]+)?.[a-z]{3,4}$" );
for ( int i=0; i < (int)eventImages.size(); i++ ) {
if ( regex.match(eventImages[i]) ) {
files.push_back(eventImages[i]);
}
}
}
std::string FileCaches::searchChannelLogo(const cChannel *channel)
{
std::string cid = (std::string)(*channel->GetChannelID().ToString());
std::string cname = (std::string)channel->Name();
std::string clname;
std::transform(cname.begin(), cname.end(), cname.begin(), ::tolower);
for ( int i=0; i < (int)channelLogos.size(); i++ ) {
string name = channelLogos[i];
int delim = name.find_last_of(".");
if ( delim != -1 ) { name = name.substr(0, delim); }
if (( name == cid ) || ( name == clname ) || ( name == cname )) {
return channelLogos[i];
}
}
return "";
}
void FileCaches::addEventImage(string file)
{
eventImages.push_back(file);
}
void FileCaches::addChannelLogo(string file)
{
channelLogos.push_back(file);
}
void FileCaches::removeEventImage(string file)
{
for (size_t i = 0; i < eventImages.size(); i++) {
if ( eventImages[i] == file ) {
eventImages[i] = "";
break;
}
}
}
void FileCaches::removeChannelLogo(string file)
{
for (size_t i = 0; i < channelLogos.size(); i++) {
if ( channelLogos[i] == file ) {
eventImages[i] = "";
break;
}
}
}
// --- FileExtension ------------------------------------------------------------
FileExtension* FileExtension::get()
{
static FileExtension instance;
return &instance;
}
/**
* retrieve locale
* @return const char*
*/
const char* FileExtension::getLocale() {
const char* locale;
setlocale(LC_ALL, "");
locale = setlocale(LC_TIME,NULL);
return locale;
};
/**
* retrieve modified tm struct
* @param string path
* @param struct tm*
*/
struct tm* FileExtension::getModifiedTm(string path) {
struct stat attr;
stat(path.c_str(), &attr);
struct tm* attrtm = gmtime(&(attr.st_mtime));
return attrtm;
};
/**
* retrieve modified time for given path
* @param string path
* @retrun time_t
*/
time_t FileExtension::getModifiedTime(string path) {
return mktime(getModifiedTm(path));
};
/**
* add last-modified header
* @param string path
* @return void
*/
void FileExtension::addModifiedHeader(string path, cxxtools::http::Reply& reply) {
char buffer[30];
struct tm* tm = getModifiedTm(path);
setlocale(LC_TIME,"POSIX");
strftime(buffer,30,"%a, %d %b %Y %H:%M:%S %Z",tm);
setlocale(LC_TIME,getLocale());
dsyslog("restfulapi: FileExtension: adding last-modified-header %s to file %s", buffer, path.c_str());
reply.addHeader("Last-Modified", buffer);
};
/**
* convert if-modified-since request header
* @param cxxtools::http::Request& request
* @return time_t
*/
time_t FileExtension::getModifiedSinceTime(cxxtools::http::Request& request) {
time_t now;
time(&now);
struct tm* tm = localtime(&now);
setlocale(LC_TIME,"POSIX");
strptime(request.getHeader("If-Modified-Since"), "%a, %d %b %Y %H:%M:%S %Z", tm);
setlocale(LC_TIME,getLocale());
return mktime(tm);
};
/**
* determine if requested file exists
* @param string path the path to check
* @return bool
*/
bool FileExtension::exists(string path) {
char* nptr = NULL;
const char* cPath = path.c_str();
char* rPath = realpath(cPath, nptr);
dsyslog("restfulapi: FileExtension: requested path %s", cPath);
dsyslog("restfulapi: FileExtension: realpath %s", rPath);
if (!rPath || (rPath && strcmp(cPath, rPath) != 0)) {
dsyslog("restfulapi: realpath does not match requested path");
return false;
}
FILE *fp = fopen(path.c_str(),"r");
if( fp ) {
fclose(fp);
return true;
}
dsyslog("restfulapi: FileExtension: requested file %s does not exists", cPath);
return false;
};
// --- VdrExtension -----------------------------------------------------------
const cChannel* VdrExtension::getChannel(int number)
{
#if APIVERSNUM > 20300
LOCK_CHANNELS_READ;
const cChannels& channels = *Channels;
#else
cChannels& channels = Channels;
#endif
if( number == -1 || number >= channels.Count() ) { return NULL; }
const cChannel* result = NULL;
int counter = 1;
for (const cChannel *channel = channels.First(); channel; channel = channels.Next(channel)) {
if (!channel->GroupSep()) {
if (counter == number) {
result = channel;
break;
}
counter++;
}
}
return result;
}
const cChannel* VdrExtension::getChannel(string id) {
#if APIVERSNUM > 20300
LOCK_CHANNELS_READ;
const cChannels& channels = *Channels;
#else
cChannels& channels = Channels;
#endif
if ( id.length() == 0 ) return NULL;
for (const cChannel* channel = channels.First(); channel; channel= channels.Next(channel)) {
if ( id == (string)channel->GetChannelID().ToString() ) {
return channel;
}
}
return NULL;
}
const cTimer* VdrExtension::getTimer(string id)
{
#if APIVERSNUM > 20300
LOCK_TIMERS_READ;
const cTimers& timers = *Timers;
#else
cTimers& timers = Timers;
#endif
const cTimer* timer;
int tc = timers.Count();
for (int i=0;i<tc;i++) {
timer = timers.Get(i);
if ( VdrExtension::getTimerID(timer) == id ) {
return timer;
}
}
return NULL;
}
cTimer* VdrExtension::getTimerWrite(string id)
{
#if APIVERSNUM > 20300
LOCK_TIMERS_WRITE;
cTimers& timers = *Timers;
#else
cTimers& timers = Timers;
#endif
cTimer* timer;
int tc = timers.Count();
for (int i=0;i<tc;i++) {
timer = timers.Get(i);
if ( VdrExtension::getTimerID(timer) == id ) {
return timer;
}
}
return NULL;
}
string VdrExtension::getTimerID(const cTimer* timer)
{
ostringstream str;
str << (const char*)timer->Channel()->GetChannelID().ToString() << ":" << timer->WeekDays() << ":"
<< timer->Day() << ":"
<< timer->Start() << ":" << timer->Stop();
return str.str();
}
int VdrExtension::scanForFiles(const std::string wildcardpath, std::vector< std::string >& files)
{
int found = 0;
glob_t globbuf;
globbuf.gl_offs = 0;
if ( wildcardpath.empty() == false && glob(wildcardpath.c_str(), GLOB_DOOFFS, NULL, &globbuf) == 0) {
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
string file(globbuf.gl_pathv[i]);
size_t delimPos = file.find_last_of('/');
files.push_back(file.substr(delimPos+1));
found++;
}
globfree(&globbuf);
}
esyslog("restfulapi: found %i files in %s.", found, wildcardpath.c_str());
return found;
}
bool VdrExtension::doesFileExistInFolder(string wildcardpath, string filename)
{
glob_t globbuf;
globbuf.gl_offs = 0;
if ( wildcardpath.empty() == false && glob(wildcardpath.c_str(), GLOB_DOOFFS, NULL, &globbuf) == 0) {
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
string file(globbuf.gl_pathv[i]);
size_t delimPos = file.find_last_of('/');
if (file.substr(delimPos+1) == filename) {
globfree(&globbuf);
return true;
}
}
globfree(&globbuf);
}
return false;
}
bool VdrExtension::IsRadio(const cChannel* channel)
{
if ((channel->Vpid() == 0 && channel->Apid(0) != 0) || channel->Vpid() == 1 ) {
return true;
}
return false;
}
bool VdrExtension::IsRecording(const cRecording* recording)
{
#if APIVERSNUM > 20300
LOCK_TIMERS_READ;
const cTimers& timers = *Timers;
#else
cTimers& timers = Timers;
#endif
const cTimer* timer = NULL;
for (int i=0;i<timers.Count();i++)
{
timer = timers.Get(i);
if (string(timer->File()).compare(recording->Name())) {
return true;
}
}
return false;
}
const cTimer* VdrExtension::TimerExists(const cEvent* event)
{
#if APIVERSNUM > 20300
LOCK_TIMERS_READ;
const cTimers& timers = *Timers;
#else
cTimers& timers = Timers;
#endif
for(int i=0;i<timers.Count();i++) {
const cTimer* timer = timers.Get(i);
if ( timer->Event() != NULL && timer->Event()->EventID() == event->EventID() && strcmp(timer->Event()->ChannelID().ToString(), event->ChannelID().ToString()) == 0 ) {
return timer;
}
if ( strcmp(timer->Channel()->GetChannelID().ToString(), event->ChannelID().ToString()) == 0 ) {
int timer_start = (int)timer->Day() - ((int)timer->Day()) % 3600;
int timer_stop = timer_start;
timer_start += ((int)(timer->Start() / 100)) * 60 * 60;
timer_start += (timer->Start() % 100) * 60;
if ( timer->Stop() < timer->Start() ) timer_stop += 24 * 60 * 60;
timer_stop += ((int)(timer->Stop() / 100)) * 60 * 60;
timer_stop += (timer->Stop() % 100) * 60;
if ( timer_stop >= (int)event->EndTime() && timer_start <= (int)event->StartTime() ) {
return timer;
}
}
}
return NULL;
}
vector< const cTimer* > VdrExtension::SortedTimers()
{
#if APIVERSNUM > 20300
LOCK_TIMERS_READ;
const cTimers& timers = *Timers;
#else
cTimers& timers = Timers;
#endif
vector< const cTimer* > returnTimers;
for(int i=0;i<timers.Count();i++)
{
returnTimers.push_back(timers.Get(i));
}
for(int i=0;i<(int)returnTimers.size() - 1;i++)
{
bool changed = false;
for(int k=0;k<(int)returnTimers.size() - i - 1;k++)
{
if (VdrExtension::CompareTimers(returnTimers[k], returnTimers[k+1]))
{
const cTimer* swap = returnTimers[k];
returnTimers[k] = returnTimers[k+1];
returnTimers[k+1] = swap;
changed = true;
}
}
if(!changed) break;
}
return returnTimers;
}
bool VdrExtension::CompareTimers(const cTimer* timer1, const cTimer* timer2)
{
int day1 = (int)timer1->Day() - ((int)timer1->Day() % 3600);
int day2 = (int)timer2->Day() - ((int)timer2->Day() % 3600);
if (day1 > day2) {
return true;
} else if ( day1 < day2) {
return false;
} else {
if (timer1->StartTime() > timer2->StartTime()) {
return true;
} else if (timer1->StartTime() < timer2->StartTime()) {
return false;
}
}
if ( ( (string)timer1->File() ).compare( (string)timer2->File() ) > 0 ) {
return true;
}
return false;
}
int VdrExtension::RecordingLengthInSeconds(const cRecording* recording)
{
int nf = recording->NumFrames();
if (nf >= 0)
return int(((double)nf / recording->FramesPerSecond()));
return -1;
}
const cEvent* VdrExtension::GetEventById(tEventID eventID, const cChannel* channel)
{
#if APIVERSNUM > 20300
LOCK_SCHEDULES_READ;
#else
cSchedulesLock MutexLock;
const cSchedules *Schedules = cSchedules::Schedules(MutexLock);
#endif
if (!Schedules)
return NULL;
const cSchedule *Schedule = Schedules->GetSchedule(channel->GetChannelID());
if (Schedule)
#if APIVERSNUM >= 20502
return Schedule->GetEventById(eventID);
#else
return Schedule->GetEvent(eventID);
#endif
return NULL;
}
cEvent* VdrExtension::getCurrentEventOnChannel(const cChannel* channel)
{
if ( channel == NULL ) return NULL;
#if APIVERSNUM > 20300
LOCK_SCHEDULES_READ;
#else
cSchedulesLock MutexLock;
const cSchedules *Schedules = cSchedules::Schedules(MutexLock);
#endif
if ( ! Schedules ) { return NULL; }
const cSchedule *Schedule = Schedules->GetSchedule(channel->GetChannelID());
if ( !Schedule ) { return NULL; }
time_t now = time(NULL);
return (cEvent*)Schedule->GetEventAround(now);
}
string VdrExtension::getRelativeVideoPath(const cRecording* recording)
{
string path = (string)recording->FileName();
#if APIVERSNUM > 20101
string VIDEODIR(cVideoDirectory::Name());
#else
string VIDEODIR(VideoDirectory);
#endif
return path.substr(VIDEODIR.length());
}
string VdrExtension::getVideoDiskSpace()
{
int FreeMB, UsedMB;
#if APIVERSNUM > 20101
int Percent = cVideoDirectory::VideoDiskSpace(&FreeMB, &UsedMB);
#else
int Percent = VideoDiskSpace(&FreeMB, &UsedMB);
#endif
ostringstream str;
str << FreeMB + UsedMB << "MB " << FreeMB << "MB " << Percent << "%";
return str.str();
}
// Move or copy directory from vdr-plugin-live
string VdrExtension::FileSystemExchangeChars(std::string const & s, bool ToFileSystem)