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vdr/timers.c

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/*
* timers.c: Timer handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: timers.c 5.18 2022/11/20 10:57:31 kls Exp $
*/
#include "timers.h"
#include <ctype.h>
#include "device.h"
#include "i18n.h"
#include "libsi/si.h"
#include "recording.h"
#include "remote.h"
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#include "status.h"
#include "svdrp.h"
// IMPORTANT NOTE: in the 'sscanf()' calls there is a blank after the '%d'
// format characters in order to allow any number of blanks after a numeric
// value!
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// --- cTimer ----------------------------------------------------------------
cTimer::cTimer(bool Instant, bool Pause, const cChannel *Channel)
{
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id = 0;
startTime = stopTime = 0;
scheduleStateSet = scheduleStateSpawn = scheduleStateAdjust = -1;
deferred = 0;
pending = inVpsMargin = false;
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flags = tfNone;
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*pattern = 0;
*file = 0;
aux = NULL;
remote = NULL;
event = NULL;
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if (Instant)
SetFlags(tfActive | tfInstant);
LOCK_CHANNELS_READ;
channel = Channel ? Channel : Channels->GetByNumber(cDevice::CurrentChannel());
time_t t = time(NULL);
struct tm tm_r;
struct tm *now = localtime_r(&t, &tm_r);
day = SetTime(t, 0);
weekdays = 0;
start = now->tm_hour * 100 + now->tm_min;
stop = 0;
if (!Setup.InstantRecordTime && channel && (Instant || Pause)) {
LOCK_SCHEDULES_READ;
if (const cSchedule *Schedule = Schedules->GetSchedule(channel)) {
if (const cEvent *Event = Schedule->GetPresentEvent()) {
time_t tstart = Event->StartTime();
time_t tstop = Event->EndTime();
if (Event->Vps() && Setup.UseVps) {
SetFlags(tfVps);
tstart = Event->Vps();
}
else {
int MarginStart = 0;
int MarginStop = 0;
CalcMargins(MarginStart, MarginStop, Event);
tstart -= MarginStart;
tstop += MarginStop;
}
day = SetTime(tstart, 0);
struct tm *time = localtime_r(&tstart, &tm_r);
start = time->tm_hour * 100 + time->tm_min;
time = localtime_r(&tstop, &tm_r);
stop = time->tm_hour * 100 + time->tm_min;
SetEvent(Event);
}
}
}
if (!stop) {
stop = now->tm_hour * 60 + now->tm_min + (Setup.InstantRecordTime ? Setup.InstantRecordTime : DEFINSTRECTIME);
stop = (stop / 60) * 100 + (stop % 60);
}
if (stop >= 2400)
stop -= 2400;
priority = Pause ? Setup.PausePriority : Setup.DefaultPriority;
lifetime = Pause ? Setup.PauseLifetime : Setup.DefaultLifetime;
if (Instant && channel)
snprintf(file, sizeof(file), "%s%s", Setup.MarkInstantRecord ? "@" : "", *Setup.NameInstantRecord ? Setup.NameInstantRecord : channel->Name());
}
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static bool MatchPattern(const char *Pattern, const char *Title, cString *Before = NULL, cString *Match = NULL, cString *After = NULL)
{
if (Title) {
bool AvoidDuplicates = startswith(Pattern, TIMERPATTERN_AVOID);
if (AvoidDuplicates)
Pattern++;
if (strcmp(Pattern, "*") == 0) {
if (Before)
*Before = "";
if (Match)
*Match = Title;
if (After)
*After = "";
return true;
}
bool AnchorBegin = startswith(Pattern, TIMERPATTERN_BEGIN);
if (AnchorBegin)
Pattern++;
bool AnchorEnd = endswith(Pattern, TIMERPATTERN_END);
cNullTerminate nt;
if (AnchorEnd)
nt.Set(const_cast<char *>(Pattern + strlen(Pattern) - 1));
if (AnchorBegin && AnchorEnd) {
if (strcmp(Title, Pattern) == 0) {
if (Before)
*Before = "";
if (Match)
*Match = Title;
if (After)
*After = "";
return true;
}
}
else if (AnchorBegin) {
if (strstr(Title, Pattern) == Title) {
if (Before)
*Before = "";
if (Match)
*Match = Pattern;
if (After)
*After = cString(Title + strlen(Pattern));
return true;
}
}
else if (AnchorEnd) {
if (endswith(Title, Pattern)) {
if (Before)
*Before = cString(Title, Title + strlen(Title) - strlen(Pattern));
if (Match)
*Match = Pattern;
if (After)
*After = "";
return true;
}
}
else if (const char *p = strstr(Title, Pattern)) {
if (Before)
*Before = cString(Title, p);
if (Match)
*Match = Pattern;
if (After)
*After = cString(p + strlen(Pattern));
return true;
}
}
return false;
}
static cString MakePatternFileName(const char *Pattern, const char *Title, const char *Episode, const char *File)
{
if (!Pattern || !Title || !File)
return NULL;
cString Before = "";
cString Match = "";
cString After = "";
if (MatchPattern(Pattern, Title, &Before, &Match, &After)) {
char *Result = strdup(File);
Result = strreplace(Result, TIMERMACRO_TITLE, Title);
if (!isempty(Episode)) // the event might not yet have a "short text", so we leave this to the actual recording
Result = strreplace(Result, TIMERMACRO_EPISODE, Episode);
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Result = strreplace(Result, TIMERMACRO_BEFORE, Before);
Result = strreplace(Result, TIMERMACRO_MATCH, Match);
Result = strreplace(Result, TIMERMACRO_AFTER, After);
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return cString(Result, true);
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}
return NULL;
}
cTimer::cTimer(const cEvent *Event, const char *FileName, const cTimer *PatternTimer)
{
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id = 0;
startTime = stopTime = 0;
scheduleStateSet = scheduleStateSpawn = scheduleStateAdjust = -1;
deferred = 0;
pending = inVpsMargin = false;
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flags = tfActive;
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*pattern = 0;
*file = 0;
aux = NULL;
remote = NULL;
event = NULL;
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if (!PatternTimer || PatternTimer->HasFlags(tfVps)) {
if (Event->Vps() && (PatternTimer || Setup.UseVps))
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SetFlags(tfVps);
}
LOCK_CHANNELS_READ;
channel = Channels->GetByChannelID(Event->ChannelID(), true);
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time_t tstart = (flags & tfVps) ? Event->Vps() : Event->StartTime();
time_t tstop = tstart + Event->Duration();
if (!(HasFlags(tfVps))) {
int MarginStart = 0;
int MarginStop = 0;
CalcMargins(MarginStart, MarginStop, Event);
tstart -= MarginStart;
tstop += MarginStop;
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}
struct tm tm_r;
struct tm *time = localtime_r(&tstart, &tm_r);
day = SetTime(tstart, 0);
weekdays = 0;
start = time->tm_hour * 100 + time->tm_min;
time = localtime_r(&tstop, &tm_r);
stop = time->tm_hour * 100 + time->tm_min;
if (stop >= 2400)
stop -= 2400;
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priority = PatternTimer ? PatternTimer->Priority() : Setup.DefaultPriority;
lifetime = PatternTimer ? PatternTimer->Lifetime() : Setup.DefaultLifetime;
if (!FileName)
FileName = Event->Title();
if (!isempty(FileName))
Utf8Strn0Cpy(file, FileName, sizeof(file));
SetEvent(Event);
}
cTimer::cTimer(const cTimer &Timer)
{
channel = NULL;
aux = NULL;
remote = NULL;
event = NULL;
flags = tfNone;
*this = Timer;
}
cTimer::~cTimer()
{
if (event)
event->DecNumTimers();
free(aux);
free(remote);
}
cTimer& cTimer::operator= (const cTimer &Timer)
{
if (&Timer != this) {
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id = Timer.id;
startTime = Timer.startTime;
stopTime = Timer.stopTime;
scheduleStateSet = scheduleStateSpawn = scheduleStateAdjust = -1;
deferred = 0;
pending = Timer.pending;
inVpsMargin = Timer.inVpsMargin;
flags = Timer.flags;
channel = Timer.channel;
day = Timer.day;
weekdays = Timer.weekdays;
start = Timer.start;
stop = Timer.stop;
priority = Timer.priority;
lifetime = Timer.lifetime;
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strncpy(pattern, Timer.pattern, sizeof(pattern));
strncpy(file, Timer.file, sizeof(file));
free(aux);
aux = Timer.aux ? strdup(Timer.aux) : NULL;
free(remote);
remote = Timer.remote ? strdup(Timer.remote) : NULL;
if (event)
event->DecNumTimers();
event = Timer.event;
if (event)
event->IncNumTimers();
}
return *this;
}
void cTimer::CalcMargins(int &MarginStart, int &MarginStop, const cEvent *Event)
{
MarginStart = Setup.MarginStart * 60;
MarginStop = Setup.MarginStop * 60;
// To make sure the timer gets assigned to the correct event, we must
// make sure that this is the only event that overlaps 100%:
if (const cEvent *e = dynamic_cast<const cEvent *>(Event->Prev()))
MarginStart = max(0, min(MarginStart, e->Duration() - 60));
if (const cEvent *e = dynamic_cast<const cEvent *>(Event->Next()))
MarginStop = max(0, min(MarginStop, e->Duration() - 60));
}
int cTimer::Compare(const cListObject &ListObject) const
{
const cTimer *ti = (const cTimer *)&ListObject;
time_t t1 = StartTime();
time_t t2 = ti->StartTime();
int r = t1 - t2;
if (r == 0)
r = ti->priority - priority;
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if (IsPatternTimer() ^ ti->IsPatternTimer()) {
if (IsPatternTimer())
r = 1;
else
r = -1;
}
else if (IsPatternTimer() && ti->IsPatternTimer())
r = strcoll(Pattern(), ti->Pattern());
return r;
}
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cString cTimer::PatternAndFile(void) const
{
if (IsPatternTimer())
return cString::sprintf("{%s}%s", pattern, file);
return file;
}
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cString cTimer::ToText(bool UseChannelID) const
{
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strreplace(pattern, ':', '|');
strreplace(file, ':', '|');
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cString buffer = cString::sprintf("%u:%s:%s:%04d:%04d:%d:%d:%s:%s", flags, UseChannelID ? *Channel()->GetChannelID().ToString() : *itoa(Channel()->Number()), *PrintDay(day, weekdays, true), start, stop, priority, lifetime, *PatternAndFile(), aux ? aux : "");
strreplace(pattern, '|', ':');
strreplace(file, '|', ':');
return buffer;
}
cString cTimer::ToDescr(void) const
{
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return cString::sprintf("%d%s%s (%d %04d-%04d %s'%s')", Id(), remote ? "@" : "", remote ? remote : "", Channel()->Number(), start, stop, HasFlags(tfVps) ? "VPS " : "", *PatternAndFile());
}
int cTimer::TimeToInt(int t)
{
return (t / 100 * 60 + t % 100) * 60;
}
bool cTimer::ParseDay(const char *s, time_t &Day, int &WeekDays)
{
// possible formats are:
// 19
// 2005-03-19
// MTWTFSS
// MTWTFSS@19
// MTWTFSS@2005-03-19
Day = 0;
WeekDays = 0;
s = skipspace(s);
if (!*s)
return false;
const char *a = strchr(s, '@');
const char *d = a ? a + 1 : isdigit(*s) ? s : NULL;
if (d) {
if (strlen(d) == 10) {
struct tm tm_r;
if (3 == sscanf(d, "%d-%d-%d", &tm_r.tm_year, &tm_r.tm_mon, &tm_r.tm_mday)) {
tm_r.tm_year -= 1900;
tm_r.tm_mon--;
tm_r.tm_hour = tm_r.tm_min = tm_r.tm_sec = 0;
tm_r.tm_isdst = -1; // makes sure mktime() will determine the correct DST setting
Day = mktime(&tm_r);
}
else
return false;
}
else {
// handle "day of month" for compatibility with older versions:
char *tail = NULL;
int day = strtol(d, &tail, 10);
if (tail && *tail || day < 1 || day > 31)
return false;
time_t t = time(NULL);
int DaysToCheck = 61; // 61 to handle months with 31/30/31
for (int i = -1; i <= DaysToCheck; i++) {
time_t t0 = IncDay(t, i);
if (GetMDay(t0) == day) {
Day = SetTime(t0, 0);
break;
}
}
}
}
if (a || !isdigit(*s)) {
if ((a && a - s == 7) || strlen(s) == 7) {
for (const char *p = s + 6; p >= s; p--) {
WeekDays <<= 1;
WeekDays |= (*p != '-');
}
}
else
return false;
}
return true;
}
cString cTimer::PrintDay(time_t Day, int WeekDays, bool SingleByteChars)
{
#define DAYBUFFERSIZE 64
char buffer[DAYBUFFERSIZE];
char *b = buffer;
if (WeekDays) {
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// TRANSLATORS: the first character of each weekday, beginning with monday
const char *w = trNOOP("MTWTFSS");
if (!SingleByteChars)
w = tr(w);
while (*w) {
int sl = Utf8CharLen(w);
if (WeekDays & 1) {
for (int i = 0; i < sl; i++)
b[i] = w[i];
b += sl;
}
else
*b++ = '-';
WeekDays >>= 1;
w += sl;
}
if (Day)
*b++ = '@';
}
if (Day) {
struct tm tm_r;
localtime_r(&Day, &tm_r);
b += strftime(b, DAYBUFFERSIZE - (b - buffer), "%Y-%m-%d", &tm_r);
}
*b = 0;
return buffer;
}
cString cTimer::PrintFirstDay(void) const
{
if (weekdays) {
cString s = PrintDay(day, weekdays, true);
if (strlen(s) == 18)
return *s + 8;
}
return ""; // not NULL, so the caller can always use the result
}
bool cTimer::Parse(const char *s)
{
char *channelbuffer = NULL;
char *daybuffer = NULL;
char *filebuffer = NULL;
free(aux);
aux = NULL;
//XXX Apparently sscanf() doesn't work correctly if the last %m argument
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//XXX results in an empty string (this first occurred when the EIT gathering
//XXX was put into a separate thread - don't know why this happens...
//XXX As a cure we copy the original string and add a blank.
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//XXX If anybody can shed some light on why sscanf() fails here, I'd love
//XXX to hear about that!
char *s2 = NULL;
int l2 = strlen(s);
while (l2 > 0 && isspace(s[l2 - 1]))
l2--;
if (s[l2 - 1] == ':') {
s2 = MALLOC(char, l2 + 3);
strcat(strn0cpy(s2, s, l2 + 1), " \n");
s = s2;
}
bool result = false;
if (8 <= sscanf(s, "%u :%m[^:]:%m[^:]:%d :%d :%d :%d :%m[^:\n]:%m[^\n]", &flags, &channelbuffer, &daybuffer, &start, &stop, &priority, &lifetime, &filebuffer, &aux)) {
if (aux && !*skipspace(aux)) {
free(aux);
aux = NULL;
}
//TODO add more plausibility checks
result = ParseDay(daybuffer, day, weekdays);
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char *fb = filebuffer;
if (*fb == '{') {
if (char *p = strchr(fb, '}')) {
*p = 0;
Utf8Strn0Cpy(pattern, fb + 1, sizeof(pattern));
strreplace(pattern, '|', ':');
fb = p + 1;
}
}
else
*pattern = 0;
Utf8Strn0Cpy(file, fb, sizeof(file));
strreplace(file, '|', ':');
LOCK_CHANNELS_READ;
if (isnumber(channelbuffer))
channel = Channels->GetByNumber(atoi(channelbuffer));
else
channel = Channels->GetByChannelID(tChannelID::FromString(channelbuffer), true, true);
if (!channel) {
esyslog("ERROR: channel %s not defined", channelbuffer);
result = false;
}
}
free(channelbuffer);
free(daybuffer);
free(filebuffer);
free(s2);
return result;
}
bool cTimer::Save(FILE *f)
{
if (!Remote())
return fprintf(f, "%s\n", *ToText(true)) > 0;
return true;
}
bool cTimer::IsSingleEvent(void) const
{
return !weekdays;
}
int cTimer::GetMDay(time_t t)
{
struct tm tm_r;
return localtime_r(&t, &tm_r)->tm_mday;
}
int cTimer::GetWDay(time_t t)
{
struct tm tm_r;
int weekday = localtime_r(&t, &tm_r)->tm_wday;
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return weekday == 0 ? 6 : weekday - 1; // we start with Monday==0!
}
bool cTimer::DayMatches(time_t t) const
{
return IsSingleEvent() ? SetTime(t, 0) == day : (weekdays & (1 << GetWDay(t))) != 0;
}
time_t cTimer::IncDay(time_t t, int Days)
{
struct tm tm_r;
tm tm = *localtime_r(&t, &tm_r);
tm.tm_mday += Days; // now tm_mday may be out of its valid range
int h = tm.tm_hour; // save original hour to compensate for DST change
tm.tm_isdst = -1; // makes sure mktime() will determine the correct DST setting
t = mktime(&tm); // normalize all values
tm.tm_hour = h; // compensate for DST change
return mktime(&tm); // calculate final result
}
time_t cTimer::SetTime(time_t t, int SecondsFromMidnight)
{
struct tm tm_r;
tm tm = *localtime_r(&t, &tm_r);
tm.tm_hour = SecondsFromMidnight / 3600;
tm.tm_min = (SecondsFromMidnight % 3600) / 60;
tm.tm_sec = SecondsFromMidnight % 60;
tm.tm_isdst = -1; // makes sure mktime() will determine the correct DST setting
return mktime(&tm);
}
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void cTimer::SetPattern(const char *Pattern)
{
Utf8Strn0Cpy(pattern, Pattern, sizeof(pattern));
}
void cTimer::SetFile(const char *File)
{
if (!isempty(File))
Utf8Strn0Cpy(file, File, sizeof(file));
}
#define EITPRESENTFOLLOWINGRATE 10 // max. seconds between two occurrences of the "EIT present/following table for the actual multiplex" (2s by the standard, using some more for safety)
bool cTimer::Matches(time_t t, bool Directly, int Margin) const
{
startTime = stopTime = 0;
if (t == 0)
t = time(NULL);
int begin = TimeToInt(start); // seconds from midnight
int end = TimeToInt(stop);
int length = end - begin;
if (IsSingleEvent()) {
time_t t0 = day;
startTime = SetTime(t0, begin);
if (length < 0)
t0 = IncDay(day, 1);
stopTime = SetTime(t0, end);
}
else {
time_t d = day ? max(day, t) : t;
for (int i = -1; i <= 7; i++) {
time_t t0 = IncDay(d, i);
if (DayMatches(t0)) {
time_t a = SetTime(t0, begin);
if (length < 0)
t0 = IncDay(d, i + 1);
time_t b = SetTime(t0, end);
if ((!day || a >= day) && t < b) {
startTime = a;
stopTime = b;
break;
}
}
}
if (!startTime)
startTime = IncDay(t, 7); // just to have something that's more than a week in the future
else if (!Directly && (t > startTime || t > day + SECSINDAY + 3600)) // +3600 in case of DST change
day = 0;
}
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if (IsPatternTimer())
return false; // we only need to have start/stopTime initialized
if (t < deferred)
return false;
deferred = 0;
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if (HasFlags(tfActive)) {
if (event) {
if (HasFlags(tfVps)) {
if (event->Vps()) {
if (Margin || !Directly) {
startTime = event->StartTime();
stopTime = event->EndTime();
if (!Margin) { // this is an actual check
if (event->Schedule()->PresentSeenWithin(EITPRESENTFOLLOWINGRATE)) // VPS control can only work with up-to-date events...
return event->IsRunning(true);
// ...otherwise we fall back to normal timer handling below (note: Margin == 0!)
}
}
}
}
else if (HasFlags(tfSpawned)) {
if (!Margin && !Directly) { // this is an actual check
// The spawned timer's start-/stopTimes are adjusted to the event's times in AdjustSpawnedTimer().
// However, in order to make sure the timer is set to the correct event, the margins at begin
// end end are limited by the durations of the events before and after this timer's event.
// The recording, though, shall always use the full start/stop margins, hence this calculation:
return event->StartTime() - Setup.MarginStart * 60 <= t && t < event->EndTime() + Setup.MarginStop * 60;
}
}
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}
return startTime <= t + Margin && t < stopTime; // must stop *before* stopTime to allow adjacent timers
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}
return false;
}
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#define FULLMATCH 1000
eTimerMatch cTimer::Matches(const cEvent *Event, int *Overlap) const
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{
// Overlap is the percentage of the Event's duration that is covered by
// this timer (based on FULLMATCH for finer granularity than just 100).
// To make sure a VPS timer can be distinguished from a plain 100% overlap,
// it gets an additional 100 added, and a VPS event that is actually running
// gets 200 added to the FULLMATCH.
if (channel->GetChannelID() == Event->ChannelID()) {
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bool UseVps = HasFlags(tfVps) && Event->Vps();
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if (IsPatternTimer()) {
if (startswith(Pattern(), TIMERPATTERN_AVOID)) {
cString FileName = MakePatternFileName(Pattern(), Event->Title(), Event->ShortText(), File());
if (*FileName) {
const char *p = strgetlast(*FileName, FOLDERDELIMCHAR);
if (DoneRecordingsPattern.Contains(p))
return tmNone;
}
else
return tmNone;
}
else if (!MatchPattern(Pattern(), Event->Title()))
return tmNone;
UseVps = false;
}
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Matches(UseVps ? Event->Vps() : Event->StartTime(), true);
int overlap = 0;
if (UseVps) {
if (startTime == Event->Vps()) {
overlap = FULLMATCH;
if (Event->IsRunning())
overlap += 200;
else if (Event->RunningStatus() != SI::RunningStatusNotRunning)
overlap += 100;
}
}
else {
if (startTime <= Event->StartTime() && Event->EndTime() <= stopTime)
overlap = FULLMATCH;
else if (stopTime <= Event->StartTime() || Event->EndTime() <= startTime)
overlap = 0;
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else {
overlap = (min(stopTime, Event->EndTime()) - max(startTime, Event->StartTime())) * FULLMATCH / max(Event->Duration(), 1);
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if (IsPatternTimer() && overlap > 0)
overlap = FULLMATCH;
}
}
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startTime = stopTime = 0;
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if (Overlap)
*Overlap = overlap;
return overlap >= FULLMATCH ? tmFull : overlap > 0 ? tmPartial : tmNone;
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}
return tmNone;
}
#define EXPIRELATENCY 60 // seconds (just in case there's a short glitch in the VPS signal)
bool cTimer::Expired(void) const
{
if (IsSingleEvent() && !Recording()) {
time_t ExpireTime = StopTimeEvent();
if (HasFlags(tfVps))
ExpireTime += EXPIRELATENCY;
return ExpireTime <= time(NULL);
}
return false;
}
time_t cTimer::StartTime(void) const
{
if (!startTime)
Matches();
return startTime;
}
time_t cTimer::StopTime(void) const
{
if (!stopTime)
Matches();
return stopTime;
}
time_t cTimer::StartTimeEvent(void) const
{
if (event) {
if (HasFlags(tfVps) && event->Vps())
return event->StartTime();
else if (HasFlags(tfSpawned))
return event->StartTime() - Setup.MarginStart * 60;
}
return StartTime();
}
time_t cTimer::StopTimeEvent(void) const
{
if (event) {
if (HasFlags(tfVps) && event->Vps())
return event->EndTime();
else if (HasFlags(tfSpawned))
return event->EndTime() + Setup.MarginStop * 60;
}
return StopTime();
}
#define EPGLIMITBEFORE (1 * 3600) // Time in seconds before a timer's start time and
#define EPGLIMITAFTER (1 * 3600) // after its stop time within which EPG events will be taken into consideration.
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void cTimer::SetId(int Id)
{
id = Id;
}
cTimer *cTimer::SpawnPatternTimer(const cEvent *Event, cTimers *Timers)
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{
cString FileName = MakePatternFileName(Pattern(), Event->Title(), Event->ShortText(), File());
isyslog("spawning timer %s for event %s", *ToDescr(), *Event->ToDescr());
cTimer *t = new cTimer(Event, FileName, this);
t->SetFlags(tfSpawned);
if (startswith(Pattern(), TIMERPATTERN_AVOID))
t->SetFlags(tfAvoid);
Timers->Add(t);
HandleRemoteTimerModifications(t);
return t;
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}
bool cTimer::SpawnPatternTimers(const cSchedules *Schedules, cTimers *Timers)
{
bool TimersSpawned = false;
const cSchedule *Schedule = Schedules->GetSchedule(Channel());
if (Schedule && Schedule->Events()->First()) {
if (Schedule->Modified(scheduleStateSpawn)) {
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time_t Now = time(NULL);
// Find the first event that matches this pattern timer and either already has a spawned
// timer, or has not yet ended:
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for (const cEvent *e = Schedule->Events()->First(); e; e = Schedule->Events()->Next(e)) {
if (Matches(e) != tmNone) {
const cTimer *Timer = Timers->GetTimerForEvent(e, tfSpawned); // a matching event that already has a spawned timer
if (!Timer && e->EndTime() > Now) { // only look at events that have not yet ended
Timer = SpawnPatternTimer(e, Timers);
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TimersSpawned = true;
}
if (Timer) {
// Check all following matching events that would start while the first timer
// is still recording:
bool UseVps = Timer->HasFlags(tfVps);
time_t Limit = Timer->StopTimeEvent();
if (UseVps)
Limit += EXPIRELATENCY;
else
Limit += Setup.MarginStart * 60;
for (e = Schedule->Events()->Next(e); e; e = Schedule->Events()->Next(e)) {
if (e->StartTime() <= Limit) {
if (!Timers->GetTimerForEvent(e, tfSpawned) && Matches(e) != tmNone) {
SpawnPatternTimer(e, Timers);
TimersSpawned = true;
}
if (UseVps)
break; // with VPS we only need to check the event immediately following the first one
}
else
break; // no need to check events that are too far in the future
}
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break;
}
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}
}
}
}
return TimersSpawned;
}
bool cTimer::AdjustSpawnedTimer(void)
{
if (Event()) {
if (const cSchedule *Schedule = Event()->Schedule()) { // events may be deleted from their schedule in cSchedule::DropOutdated()!
if (Schedule->Modified(scheduleStateAdjust)) {
// Adjust the timer to shifted start/stop times of the event if necessary:
time_t tstart = Event()->StartTime();
time_t tstop = Event()->EndTime();
int MarginStart = 0;
int MarginStop = 0;
CalcMargins(MarginStart, MarginStop, Event());
tstart -= MarginStart;
tstop += MarginStop;
// Event start/end times are given in "seconds since the epoch". Some broadcasters use values
// that result in full minutes (with zero seconds), while others use any values. VDR's timers
// use times given in full minutes, truncating any seconds. Thus we only react if the start/stop
// times of the timer are off by at least one minute:
if (abs(StartTime() - tstart) >= 60 || abs(StopTime() - tstop) >= 60) {
cString OldDescr = ToDescr();
struct tm tm_r;
struct tm *time = localtime_r(&tstart, &tm_r);
SetDay(cTimer::SetTime(tstart, 0));
SetStart(time->tm_hour * 100 + time->tm_min);
time = localtime_r(&tstop, &tm_r);
SetStop(time->tm_hour * 100 + time->tm_min);
Matches();
isyslog("timer %s times changed to %s-%s", *OldDescr, *TimeString(tstart), *TimeString(tstop));
return true;
}
}
}
}
return false;
}
void cTimer::TriggerRespawn(void)
{
if (Local() && HasFlags(tfSpawned) || IsPatternTimer()) {
if (Channel()) {
LOCK_CHANNELS_READ;
if (const cSchedule *Schedule = Channel()->Schedule()) {
dsyslog("triggering respawn for timer %s", *ToDescr());
LOCK_SCHEDULES_WRITE;
const_cast<cSchedule *>(Schedule)->SetModified();
}
}
}
}
bool cTimer::SetEventFromSchedule(const cSchedules *Schedules)
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{
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if (IsPatternTimer())
return SetEvent(NULL);
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const cSchedule *Schedule = Schedules->GetSchedule(Channel());
if (Schedule && Schedule->Events()->First()) {
if (Schedule->Modified(scheduleStateSet)) {
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const cEvent *Event = NULL;
if (HasFlags(tfVps) && Schedule->Events()->First()->Vps()) {
// VPS timers only match if their start time exactly matches the event's VPS time:
for (const cEvent *e = Schedule->Events()->First(); e; e = Schedule->Events()->Next(e)) {
if (e->StartTime()) {
int overlap = 0;
if (Matches(e, &overlap) == tmFull) {
Event = e;
if (overlap > FULLMATCH)
break; // take the first matching event
}
}
}
}
else {
// Normal timers match the event they have the most overlap with:
int Overlap = 0;
// Set up the time frame within which to check events:
Matches(0, true);
time_t TimeFrameBegin = StartTime() - EPGLIMITBEFORE;
time_t TimeFrameEnd = StopTime() + EPGLIMITAFTER;
for (const cEvent *e = Schedule->Events()->First(); e; e = Schedule->Events()->Next(e)) {
if (e->EndTime() < TimeFrameBegin)
continue; // skip events way before the timer starts
if (e->StartTime() > TimeFrameEnd)
break; // the rest is way after the timer ends
int overlap = 0;
Matches(e, &overlap);
if (overlap && overlap >= Overlap) {
if (Event && overlap == Overlap && e->Duration() <= Event->Duration())
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continue; // if overlap is the same, we take the longer event
Overlap = overlap;
Event = e;
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}
}
}
return SetEvent(Event);
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}
}
return false;
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}
bool cTimer::SetEvent(const cEvent *Event)
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{
if (event != Event) {
if (event)
event->DecNumTimers();
if (Event) {
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isyslog("timer %s set to event %s", *ToDescr(), *Event->ToDescr());
Event->IncNumTimers();
Event->Schedule()->Modified(scheduleStateSet); // to get the current state
}
else {
isyslog("timer %s set to no event", *ToDescr());
scheduleStateSet = scheduleStateSpawn = scheduleStateAdjust = -1;
}
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event = Event;
return true;
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}
return false;
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}
void cTimer::SetRecording(bool Recording)
{
if (Recording)
SetFlags(tfRecording);
else
ClrFlags(tfRecording);
isyslog("timer %s %s", *ToDescr(), Recording ? "start" : "stop");
}
void cTimer::SetPending(bool Pending)
{
pending = Pending;
}
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void cTimer::SetInVpsMargin(bool InVpsMargin)
{
if (InVpsMargin && !inVpsMargin)
isyslog("timer %s entered VPS margin", *ToDescr());
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inVpsMargin = InVpsMargin;
}
void cTimer::SetDay(time_t Day)
{
day = Day;
}
void cTimer::SetWeekDays(int WeekDays)
{
weekdays = WeekDays;
}
void cTimer::SetStart(int Start)
{
start = Start;
}
void cTimer::SetStop(int Stop)
{
stop = Stop;
}
void cTimer::SetPriority(int Priority)
{
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priority = Priority;
}
void cTimer::SetLifetime(int Lifetime)
{
lifetime = Lifetime;
}
void cTimer::SetAux(const char *Aux)
{
free(aux);
aux = Aux ? strdup(Aux) : NULL;
}
void cTimer::SetRemote(const char *Remote)
{
free(remote);
remote = Remote ? strdup(Remote) : NULL;
}
void cTimer::SetDeferred(int Seconds)
{
deferred = time(NULL) + Seconds;
isyslog("timer %s deferred for %d seconds", *ToDescr(), Seconds);
}
void cTimer::SetFlags(uint Flags)
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{
flags |= Flags;
}
void cTimer::ClrFlags(uint Flags)
{
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flags &= ~Flags;
}
void cTimer::InvFlags(uint Flags)
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{
flags ^= Flags;
}
bool cTimer::HasFlags(uint Flags) const
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{
return (flags & Flags) == Flags;
}
void cTimer::Skip(void)
{
day = IncDay(SetTime(StartTime(), 0), 1);
startTime = 0;
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SetEvent(NULL);
}
void cTimer::OnOff(void)
{
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if (IsSingleEvent() || IsPatternTimer())
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InvFlags(tfActive);
else if (day) {
day = 0;
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ClrFlags(tfActive);
}
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else if (HasFlags(tfActive))
Skip();
else
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SetFlags(tfActive);
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SetEvent(NULL);
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if (HasFlags(tfActive))
TriggerRespawn(); // have pattern timers spawn if necessary
Matches(); // refresh start and end time
}
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// --- cTimers ---------------------------------------------------------------
cTimers cTimers::timers;
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int cTimers::lastTimerId = 0;
cTimers::cTimers(void)
:cConfig<cTimer>("1 Timers")
{
lastDeleteExpired = 0;
}
bool cTimers::Load(const char *FileName)
{
LOCK_TIMERS_WRITE;
Timers->SetExplicitModify();
if (timers.cConfig<cTimer>::Load(FileName)) {
for (cTimer *ti = timers.First(); ti; ti = timers.Next(ti)) {
ti->SetId(NewTimerId());
ti->ClrFlags(tfRecording);
Timers->SetModified();
}
return true;
}
return false;
}
int cTimers::NewTimerId(void)
{
return ++lastTimerId; // no need for locking, the caller must have a lock on the global Timers list
}
const cTimer *cTimers::GetById(int Id, const char *Remote) const
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{
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
if (ti->Id() == Id) {
if (!Remote && !ti->Remote() || Remote && ti->Remote() && strcmp(Remote, ti->Remote()) == 0)
return ti;
}
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}
return NULL;
}
const cTimer *cTimers::GetTimer(const cTimer *Timer) const
{
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
if (!ti->Remote() &&
ti->Channel() == Timer->Channel() &&
(ti->WeekDays() && ti->WeekDays() == Timer->WeekDays() || !ti->WeekDays() && ti->Day() == Timer->Day()) &&
ti->Start() == Timer->Start() &&
ti->Stop() == Timer->Stop())
return ti;
}
return NULL;
}
const cTimer *cTimers::GetMatch(time_t t) const
{
static int LastPending = -1;
const cTimer *t0 = NULL;
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
if (!ti->Remote() && !ti->Recording() && ti->Matches(t)) {
if (ti->Pending()) {
if (ti->Index() > LastPending) {
LastPending = ti->Index();
return ti;
}
else
continue;
}
if (!t0 || ti->Priority() > t0->Priority())
t0 = ti;
}
}
if (!t0)
LastPending = -1;
return t0;
}
const cTimer *cTimers::GetMatch(const cEvent *Event, eTimerMatch *Match) const
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{
const cTimer *t = NULL;
eTimerMatch m = tmNone;
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
eTimerMatch tm = ti->Matches(Event);
if (tm > m || tm == tmFull && t && (t->Remote() && ti->Local() || t->IsPatternTimer() && ti->HasFlags(tfSpawned))) {
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t = ti;
m = tm;
}
}
if (Match)
*Match = m;
return t;
}
const cTimer *cTimers::GetTimerForEvent(const cEvent *Event, eTimerFlags Flags) const
{
if (Event && Event->HasTimer()) {
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
if (ti->Event() == Event && ti->Local() && ti->HasFlags(Flags))
return ti;
}
}
return NULL;
}
int cTimers::GetMaxPriority(void) const
{
int n = -1;
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
if (!ti->Remote() && ti->Recording())
n = max(n, ti->Priority());
}
return n;
}
const cTimer *cTimers::GetNextActiveTimer(void) const
{
const cTimer *t0 = NULL;
for (const cTimer *ti = First(); ti; ti = Next(ti)) {
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if (!ti->Remote() && !ti->IsPatternTimer()) {
ti->Matches();
if ((ti->HasFlags(tfActive)) && (!t0 || ti->StopTime() > time(NULL) && ti->Compare(*t0) < 0))
t0 = ti;
}
}
return t0;
}
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const cTimers *cTimers::GetTimersRead(cStateKey &StateKey, int TimeoutMs)
{
return timers.Lock(StateKey, false, TimeoutMs) ? &timers : NULL;
}
cTimers *cTimers::GetTimersWrite(cStateKey &StateKey, int TimeoutMs)
{
return timers.Lock(StateKey, true, TimeoutMs) ? &timers : NULL;
}
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void cTimers::Add(cTimer *Timer, cTimer *After)
{
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if (!Timer->Remote())
Timer->SetId(NewTimerId());
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cConfig<cTimer>::Add(Timer, After);
cStatus::MsgTimerChange(Timer, tcAdd);
}
void cTimers::Ins(cTimer *Timer, cTimer *Before)
{
cConfig<cTimer>::Ins(Timer, Before);
cStatus::MsgTimerChange(Timer, tcAdd);
}
void cTimers::Del(cTimer *Timer, bool DeleteObject)
{
cStatus::MsgTimerChange(Timer, tcDel);
cConfig<cTimer>::Del(Timer, DeleteObject);
}
const cTimer *cTimers::UsesChannel(const cChannel *Channel) const
{
for (const cTimer *Timer = First(); Timer; Timer = Next(Timer)) {
if (Timer->Channel() == Channel)
return Timer;
}
return NULL;
}
bool cTimers::SetEvents(const cSchedules *Schedules)
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{
bool TimersModified = false;
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for (cTimer *ti = First(); ti; ti = Next(ti)) {
if (!ti->IsPatternTimer())
TimersModified |= ti->SetEventFromSchedule(Schedules);
}
return TimersModified;
}
bool cTimers::SpawnPatternTimers(const cSchedules *Schedules)
{
bool TimersModified = false;
for (cTimer *ti = First(); ti; ti = Next(ti)) {
if (ti->IsPatternTimer() && ti->Local()) {
if (ti->HasFlags(tfActive))
TimersModified |= ti->SpawnPatternTimers(Schedules, this);
}
}
return TimersModified;
}
bool cTimers::AdjustSpawnedTimers(void)
{
bool TimersModified = false;
for (cTimer *ti = First(); ti; ti = Next(ti)) {
if (ti->Local()) {
if (ti->HasFlags(tfSpawned) && !ti->HasFlags(tfVps))
TimersModified |= ti->AdjustSpawnedTimer();
}
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}
return TimersModified;
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}
#define DELETE_EXPIRED_TIMEOUT 30 // seconds
bool cTimers::DeleteExpired(bool Force)
{
if (!Force && time(NULL) - lastDeleteExpired < DELETE_EXPIRED_TIMEOUT)
return false;
bool TimersModified = false;
cTimer *ti = First();
while (ti) {
cTimer *next = Next(ti);
if (!ti->Remote() && ti->Expired()) {
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ti->SetEvent(NULL); // Del() doesn't call ~cTimer() right away, so this is necessary here
ti->TriggerRespawn(); // in case this is a spawned timer
isyslog("deleting timer %s", *ti->ToDescr());
Del(ti);
TimersModified = true;
}
ti = next;
}
lastDeleteExpired = time(NULL);
return TimersModified;
}
bool cTimers::StoreRemoteTimers(const char *ServerName, const cStringList *RemoteTimers)
{
bool Result = false;
if (!ServerName || !RemoteTimers || RemoteTimers->Size() == 0) {
// Remove remote timers from this list:
cTimer *Timer = First();
while (Timer) {
cTimer *t = Next(Timer);
if (Timer->Remote() && (!ServerName || strcmp(Timer->Remote(), ServerName) == 0)) {
Del(Timer);
Result = true;
}
Timer = t;
}
return Result;
}
// Collect all locally stored remote timers from ServerName:
cStringList tl;
for (cTimer *ti = First(); ti; ti = Next(ti)) {
if (ti->Remote() && strcmp(ti->Remote(), ServerName) == 0)
tl.Append(strdup(cString::sprintf("%d %s", ti->Id(), *ti->ToText(true))));
}
tl.SortNumerically(); // RemoteTimers is also sorted numerically!
// Compare the two lists and react accordingly:
int il = 0; // index into the local ("left") list of remote timers
int ir = 0; // index into the remote ("right") list of timers
int sl = tl.Size();
int sr = RemoteTimers->Size();
for (;;) {
int AddTimer = 0;
int DelTimer = 0;
if (il < sl) { // still have left entries
int nl = atoi(tl[il]);
if (ir < sr) { // still have right entries
// Compare timers:
int nr = atoi((*RemoteTimers)[ir]);
if (nl == nr) // same timer id
AddTimer = DelTimer = nl;
else if (nl < nr) // left entry not in right list
DelTimer = nl;
else // right entry not in left list
AddTimer = nr;
}
else // processed all right entries
DelTimer = nl;
}
else if (ir < sr) { // still have right entries
AddTimer = atoi((*RemoteTimers)[ir]);
if (!AddTimer) {
esyslog("ERROR: %s: error in timer settings: %s", ServerName, (*RemoteTimers)[ir]);
ir++;
continue; // let's see if we can process the rest
}
}
else // processed all left and right entries
break;
if (AddTimer && DelTimer) {
if (strcmp(tl[il], (*RemoteTimers)[ir]) != 0) {
// Overwrite timer:
char *v = (*RemoteTimers)[ir];
while (*v && *v != ' ')
v++; // skip id
if (cTimer *l = GetById(DelTimer, ServerName)) {
cTimer r;
if (r.Parse(v)) {
r.SetRemote(ServerName);
r.SetId(AddTimer);
*l = r;
Result = true;
}
else
esyslog("ERROR: %d@%s: error in timer settings: %s", DelTimer, ServerName, v);
}
}
else // identical timer, nothing to do
;
il++;
ir++;
}
else if (AddTimer) {
char *v = (*RemoteTimers)[ir];
while (*v && *v != ' ')
v++; // skip id
cTimer *Timer = new cTimer;
if (Timer->Parse(v)) {
Timer->SetRemote(ServerName);
Timer->SetId(AddTimer);
Add(Timer);
Result = true;
}
else {
esyslog("ERROR: %s: error in timer settings: %s", ServerName, v);
delete Timer;
}
ir++;
}
else if (DelTimer) {
if (cTimer *t = GetById(DelTimer, ServerName)) {
Del(t);
Result = true;
}
il++;
}
else {
esyslog("ERROR: oops while storing remote timers!");
break; // let's not get stuck here!
}
}
return Result;
}
static bool RemoteTimerError(const cTimer *Timer, cString *Msg)
{
if (Msg)
*Msg = cString::sprintf("%s %d@%s!", tr("Error while accessing remote timer"), Timer->Id(), Timer->Remote());
return false; // convenience return code
}
bool HandleRemoteTimerModifications(cTimer *NewTimer, cTimer *OldTimer, cString *Msg)
{
cStringList Response;
if (!NewTimer) {
if (OldTimer) { // timer shall be deleted from remote machine
if (OldTimer->Remote() && OldTimer->Id()) {
if (!ExecSVDRPCommand(OldTimer->Remote(), cString::sprintf("DELT %d", OldTimer->Id()), &Response) || SVDRPCode(Response[0]) != 250)
return RemoteTimerError(OldTimer, Msg);
}
isyslog("deleted timer %s", *OldTimer->ToDescr());
}
}
else if (!OldTimer || OldTimer->Local() || !OldTimer->Id()) {
if (NewTimer->Local()) { // timer stays local, nothing to do
if (OldTimer && OldTimer->Id())
isyslog("modified timer %s", *NewTimer->ToDescr());
else
isyslog("added timer %s", *NewTimer->ToDescr());
}
else { // timer is new, or moved from local to remote
if (!ExecSVDRPCommand(NewTimer->Remote(), cString::sprintf("NEWT %s", *NewTimer->ToText(true)), &Response) || SVDRPCode(Response[0]) != 250)
return RemoteTimerError(NewTimer, Msg);
int RemoteId = atoi(SVDRPValue(Response[0]));
if (RemoteId <= 0)
return RemoteTimerError(NewTimer, Msg);
NewTimer->SetId(RemoteId);
if (OldTimer && OldTimer->Id()) {
isyslog("moved timer %d to %s", OldTimer->Id(), *NewTimer->ToDescr());
}
else
isyslog("added timer %s", *NewTimer->ToDescr());
}
}
else if (NewTimer->Local()) { // timer is moved from remote to local
if (!ExecSVDRPCommand(OldTimer->Remote(), cString::sprintf("DELT %d", OldTimer->Id()), &Response) || SVDRPCode(Response[0]) != 250)
return RemoteTimerError(OldTimer, Msg);
NewTimer->SetId(cTimers::NewTimerId());
NewTimer->ClrFlags(tfRecording); // in case it was recording on the remote machine
isyslog("moved timer %d@%s to %s", OldTimer->Id(), OldTimer->Remote(), *NewTimer->ToDescr());
}
else if (strcmp(OldTimer->Remote(), NewTimer->Remote()) == 0) { // timer stays remote on same machine
if (!ExecSVDRPCommand(OldTimer->Remote(), cString::sprintf("MODT %d %s", OldTimer->Id(), *NewTimer->ToText(true)), &Response) || SVDRPCode(Response[0]) != 250)
return RemoteTimerError(NewTimer, Msg);
isyslog("modified timer %s", *NewTimer->ToDescr());
}
else { // timer is moved from one remote machine to an other
if (!ExecSVDRPCommand(NewTimer->Remote(), cString::sprintf("NEWT %s", *NewTimer->ToText(true)), &Response) || SVDRPCode(Response[0]) != 250)
return RemoteTimerError(NewTimer, Msg);
int RemoteId = atoi(SVDRPValue(Response[0]));
if (RemoteId <= 0)
return RemoteTimerError(NewTimer, Msg);
NewTimer->SetId(RemoteId);
if (!ExecSVDRPCommand(OldTimer->Remote(), cString::sprintf("DELT %d", OldTimer->Id()), &Response) || SVDRPCode(Response[0]) != 250)
return RemoteTimerError(OldTimer, Msg);
isyslog("moved timer %d@%s to %s", OldTimer->Id(), OldTimer->Remote(), *NewTimer->ToDescr());
}
return true;
}
// --- cSortedTimers ---------------------------------------------------------
static int CompareTimers(const void *a, const void *b)
{
return (*(const cTimer **)a)->Compare(**(const cTimer **)b);
}
cSortedTimers::cSortedTimers(const cTimers *Timers)
:cVector<const cTimer *>(Timers->Count())
{
for (const cTimer *Timer = Timers->First(); Timer; Timer = Timers->Next(Timer))
Append(Timer);
Sort(CompareTimers);
}