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vdr/config.c

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/*
* config.c: Configuration file handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: config.c 1.32 2000/11/11 15:41:07 kls Exp $
*/
#include "config.h"
#include <ctype.h>
#include <stdlib.h>
#include "dvbapi.h"
#include "i18n.h"
#include "interface.h"
// -- cKeys ------------------------------------------------------------------
tKey keyTable[] = { // "Up" and "Down" must be the first two keys!
{ kUp, "Up", 0 },
{ kDown, "Down", 0 },
{ kMenu, "Menu", 0 },
{ kOk, "Ok", 0 },
{ kBack, "Back", 0 },
{ kLeft, "Left", 0 },
{ kRight, "Right", 0 },
{ kRed, "Red", 0 },
{ kGreen, "Green", 0 },
{ kYellow, "Yellow", 0 },
{ kBlue, "Blue", 0 },
{ k0, "0", 0 },
{ k1, "1", 0 },
{ k2, "2", 0 },
{ k3, "3", 0 },
{ k4, "4", 0 },
{ k5, "5", 0 },
{ k6, "6", 0 },
{ k7, "7", 0 },
{ k8, "8", 0 },
{ k9, "9", 0 },
{ kNone, "", 0 },
};
cKeys::cKeys(void)
{
fileName = NULL;
code = 0;
address = 0;
keys = keyTable;
}
void cKeys::Clear(void)
{
for (tKey *k = keys; k->type != kNone; k++)
k->code = 0;
}
void cKeys::SetDummyValues(void)
{
for (tKey *k = keys; k->type != kNone; k++)
k->code = k->type + 1; // '+1' to avoid 0
}
bool cKeys::Load(const char *FileName)
{
isyslog(LOG_INFO, "loading %s", FileName);
bool result = false;
if (FileName)
fileName = strdup(FileName);
if (fileName) {
FILE *f = fopen(fileName, "r");
if (f) {
int line = 0;
char buffer[MaxBuffer];
result = true;
while (fgets(buffer, sizeof(buffer), f) > 0) {
line++;
char *Name = buffer;
char *p = strpbrk(Name, " \t");
if (p) {
*p = 0; // terminates 'Name'
while (*++p && isspace(*p))
;
if (*p) {
if (strcasecmp(Name, "Code") == 0)
code = *p;
else if (strcasecmp(Name, "Address") == 0)
address = strtol(p, NULL, 16);
else {
for (tKey *k = keys; k->type != kNone; k++) {
if (strcasecmp(Name, k->name) == 0) {
k->code = strtol(p, NULL, 16);
Name = NULL; // to indicate that we found it
break;
}
}
if (Name) {
esyslog(LOG_ERR, "unknown key in %s, line %d\n", fileName, line);
result = false;
break;
}
}
}
continue;
}
esyslog(LOG_ERR, "error in %s, line %d\n", fileName, line);
result = false;
break;
}
fclose(f);
}
else
esyslog(LOG_ERR, "can't open '%s'\n", fileName);
}
else
esyslog(LOG_ERR, "no key configuration file name supplied!\n");
return result;
}
bool cKeys::Save(void)
{
//TODO make backup copies???
bool result = true;
FILE *f = fopen(fileName, "w");
if (f) {
if (fprintf(f, "Code\t%c\nAddress\t%04X\n", code, address) > 0) {
for (tKey *k = keys; k->type != kNone; k++) {
if (fprintf(f, "%s\t%08X\n", k->name, k->code) <= 0) {
result = false;
break;
}
}
}
else
result = false;
fclose(f);
}
else
result = false;
return result;
}
eKeys cKeys::Get(unsigned int Code)
{
if (Code != 0) {
tKey *k;
for (k = keys; k->type != kNone; k++) {
if (k->code == Code)
break;
}
return k->type;
}
return kNone;
}
eKeys cKeys::Translate(const char *Command)
{
if (Command) {
const tKey *k = keys;
while ((k->type != kNone) && strcasecmp(k->name, Command) != 0)
k++;
return k->type;
}
return kNone;
}
unsigned int cKeys::Encode(const char *Command)
{
eKeys k = Translate(Command);
if (k != kNone)
return keys[k].code;
return 0;
}
void cKeys::Set(eKeys Key, unsigned int Code)
{
for (tKey *k = keys; k->type != kNone; k++) {
if (k->type == Key) {
k->code = Code;
break;
}
}
}
// -- cChannel ---------------------------------------------------------------
char *cChannel::buffer = NULL;
cChannel::cChannel(void)
{
*name = 0;
}
cChannel::cChannel(const cChannel *Channel)
{
strcpy(name, Channel ? Channel->name : "Pro7");
frequency = Channel ? Channel->frequency : 12480;
polarization = Channel ? Channel->polarization : 'v';
diseqc = Channel ? Channel->diseqc : 1;
srate = Channel ? Channel->srate : 27500;
vpid = Channel ? Channel->vpid : 255;
apid = Channel ? Channel->apid : 256;
ca = Channel ? Channel->ca : 0;
pnr = Channel ? Channel->pnr : 0;
groupSep = Channel ? Channel->groupSep : false;
}
const char *cChannel::ToText(cChannel *Channel)
{
char buf[MaxChannelName * 2];
char *s = Channel->name;
if (strchr(s, ':')) {
s = strcpy(buf, s);
strreplace(s, ':', '|');
}
delete buffer;
if (Channel->groupSep)
asprintf(&buffer, ":%s\n", s);
else
asprintf(&buffer, "%s:%d:%c:%d:%d:%d:%d:%d:%d\n", s, Channel->frequency, Channel->polarization, Channel->diseqc, Channel->srate, Channel->vpid, Channel->apid, Channel->ca, Channel->pnr);
return buffer;
}
const char *cChannel::ToText(void)
{
return ToText(this);
}
bool cChannel::Parse(const char *s)
{
char *buffer = NULL;
if (*s == ':') {
if (*++s) {
strn0cpy(name, s, MaxChannelName);
name[strlen(name) - 1] = 0; // strip the '\n'
groupSep = true;
}
else
return false;
}
else {
groupSep = false;
int fields = sscanf(s, "%a[^:]:%d:%c:%d:%d:%d:%d:%d:%d", &buffer, &frequency, &polarization, &diseqc, &srate, &vpid, &apid, &ca, &pnr);
if (fields == 9) {
strn0cpy(name, buffer, MaxChannelName);
delete buffer;
}
else
return false;
}
strreplace(name, '|', ':');
return true;
}
bool cChannel::Save(FILE *f)
{
return fprintf(f, ToText()) > 0;
}
bool cChannel::Switch(cDvbApi *DvbApi)
{
if (!DvbApi)
DvbApi = cDvbApi::PrimaryDvbApi;
if (!DvbApi->Recording() && !groupSep) {
isyslog(LOG_INFO, "switching to channel %d", number);
for (int i = 3; i--;) {
if (DvbApi->SetChannel(number, frequency, polarization, diseqc, srate, vpid, apid, ca, pnr))
return true;
esyslog(LOG_ERR, "retrying");
}
return false;
}
if (DvbApi->Recording())
Interface->Info(tr("Channel locked (recording)!"));
return false;
}
// -- cTimer -----------------------------------------------------------------
char *cTimer::buffer = NULL;
cTimer::cTimer(bool Instant)
{
startTime = stopTime = 0;
recording = false;
active = Instant;
cChannel *ch = Channels.GetByNumber(cDvbApi::CurrentChannel());
channel = ch ? ch->number : 0;
time_t t = time(NULL);
struct tm *now = localtime(&t);
day = now->tm_mday;
start = now->tm_hour * 100 + now->tm_min;
stop = start + 200; // "instant recording" records 2 hours by default
if (stop >= 2400)
stop -= 2400;
//TODO VPS???
priority = 99;
lifetime = 99;
*file = 0;
summary = NULL;
if (Instant && ch)
snprintf(file, sizeof(file), "%s%s", Setup.MarkInstantRecord ? "@" : "", ch->name);
}
cTimer::cTimer(const cEventInfo *EventInfo)
{
startTime = stopTime = 0;
recording = false;
active = true;
cChannel *ch = Channels.GetByServiceID(EventInfo->GetServiceID());
channel = ch ? ch->number : 0;
time_t tstart = EventInfo->GetTime();
time_t tstop = tstart + EventInfo->GetDuration() + Setup.MarginStop * 60;
tstart -= Setup.MarginStart * 60;
struct tm *time = localtime(&tstart);
day = time->tm_mday;
start = time->tm_hour * 100 + time->tm_min;
time = localtime(&tstop);
stop = time->tm_hour * 100 + time->tm_min;
if (stop >= 2400)
stop -= 2400;
priority = 99;
lifetime = 99;
*file = 0;
const char *Title = EventInfo->GetTitle();
if (!isempty(Title))
strn0cpy(file, EventInfo->GetTitle(), sizeof(file));
summary = NULL;
const char *Subtitle = EventInfo->GetSubtitle();
if (isempty(Subtitle))
Subtitle = "";
const char *Summary = EventInfo->GetExtendedDescription();
if (isempty(Summary))
Summary = "";
if (*Subtitle || *Summary) {
asprintf(&summary, "%s%s%s", Subtitle, (*Subtitle && *Summary) ? "\n\n" : "", Summary);
char *p = summary;
while (*p) {
if (*p == '\n')
*p = '|';
p++;
}
}
}
cTimer::~cTimer()
{
delete summary;
}
cTimer& cTimer::operator= (const cTimer &Timer)
{
memcpy(this, &Timer, sizeof(*this));
if (summary)
summary = strdup(summary);
return *this;
}
const char *cTimer::ToText(cTimer *Timer)
{
delete buffer;
asprintf(&buffer, "%d:%d:%s:%04d:%04d:%d:%d:%s:%s\n", Timer->active, Timer->channel, PrintDay(Timer->day), Timer->start, Timer->stop, Timer->priority, Timer->lifetime, Timer->file, Timer->summary ? Timer->summary : "");
return buffer;
}
const char *cTimer::ToText(void)
{
return ToText(this);
}
int cTimer::TimeToInt(int t)
{
return (t / 100 * 60 + t % 100) * 60;
}
time_t cTimer::Day(time_t t)
{
struct tm d = *localtime(&t);
d.tm_hour = d.tm_min = d.tm_sec = 0;
return mktime(&d);
}
int cTimer::ParseDay(const char *s)
{
char *tail;
int d = strtol(s, &tail, 10);
if (tail && *tail) {
d = 0;
if (tail == s) {
if (strlen(s) == 7) {
for (const char *p = s + 6; p >= s; p--) {
d <<= 1;
d |= (*p != '-');
}
d |= 0x80000000;
}
}
}
else if (d < 1 || d > 31)
d = 0;
return d;
}
const char *cTimer::PrintDay(int d)
{
static char buffer[8];
if ((d & 0x80000000) != 0) {
char *b = buffer;
const char *w = tr("MTWTFSS");
*b = 0;
while (*w) {
*b++ = (d & 1) ? *w : '-';
d >>= 1;
w++;
}
}
else
sprintf(buffer, "%d", d);
return buffer;
}
bool cTimer::Parse(const char *s)
{
char *buffer1 = NULL;
char *buffer2 = NULL;
delete summary;
summary = NULL;
//XXX Apparently sscanf() doesn't work correctly if the last %a argument
//XXX results in an empty string (this first occured 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.
//XXX If anybody can shed some light on why sscanf() failes here, I'd love
//XXX to hear about that!
char *s2 = NULL;
int l2 = strlen(s);
if (s[l2 - 2] == ':') { // note that 's' has a trailing '\n'
s2 = (char *)malloc(l2 + 2);
strcat(strn0cpy(s2, s, l2), " \n");
s = s2;
}
if (8 <= sscanf(s, "%d:%d:%a[^:]:%d:%d:%d:%d:%a[^:\n]:%a[^\n]", &active, &channel, &buffer1, &start, &stop, &priority, &lifetime, &buffer2, &summary)) {
if (summary && !*skipspace(summary)) {
delete summary;
summary = NULL;
}
//TODO add more plausibility checks
day = ParseDay(buffer1);
strn0cpy(file, buffer2, MaxFileName);
delete buffer1;
delete buffer2;
delete s2;
return day != 0;
}
delete s2;
return false;
}
bool cTimer::Save(FILE *f)
{
return fprintf(f, ToText()) > 0;
}
bool cTimer::IsSingleEvent(void)
{
return (day & 0x80000000) == 0;
}
bool cTimer::Matches(time_t t)
{
if (active) {
if (t == 0)
t = time(NULL);
struct tm now = *localtime(&t);
int weekday = now.tm_wday == 0 ? 6 : now.tm_wday - 1; // we start with monday==0!
int begin = TimeToInt(start);
int end = TimeToInt(stop);
bool twoDays = (end < begin);
bool todayMatches = false, yesterdayMatches = false;
if ((day & 0x80000000) != 0) {
if ((day & (1 << weekday)) != 0)
todayMatches = true;
else if (twoDays) {
int yesterday = weekday == 0 ? 6 : weekday - 1;
if ((day & (1 << yesterday)) != 0)
yesterdayMatches = true;
}
}
else if (day == now.tm_mday)
todayMatches = true;
else if (twoDays) {
time_t ty = t - SECSINDAY;
if (day == localtime(&ty)->tm_mday)
yesterdayMatches = true;
}
if (todayMatches || (twoDays && yesterdayMatches)) {
startTime = Day(t - (yesterdayMatches ? SECSINDAY : 0)) + begin;
stopTime = startTime + (twoDays ? SECSINDAY - begin + end : end - begin);
}
else
startTime = stopTime = 0;
return startTime <= t && t <= stopTime;
}
return false;
}
time_t cTimer::StartTime(void)
{
if (!startTime)
Matches();
return startTime;
}
time_t cTimer::StopTime(void)
{
if (!stopTime)
Matches();
return stopTime;
}
void cTimer::SetRecording(bool Recording)
{
recording = Recording;
isyslog(LOG_INFO, "timer %d %s", Index() + 1, recording ? "start" : "stop");
}
cTimer *cTimer::GetMatch(void)
{
time_t t = time(NULL); // all timers must be checked against the exact same time to correctly handle Priority!
cTimer *t0 = NULL;
cTimer *ti = (cTimer *)Timers.First();
while (ti) {
if (!ti->recording && ti->Matches(t)) {
if (!t0 || ti->priority > t0->priority)
t0 = ti;
}
ti = (cTimer *)ti->Next();
}
return t0;
}
// --- cCommand -------------------------------------------------------------
char *cCommand::result = NULL;
cCommand::cCommand(void)
{
title = command = NULL;
}
cCommand::~cCommand()
{
delete title;
delete command;
}
bool cCommand::Parse(const char *s)
{
const char *p = strchr(s, ':');
if (p) {
int l = p - s;
if (l > 0) {
title = new char[l + 1];
strn0cpy(title, s, l + 1);
if (!isempty(title)) {
command = stripspace(strdup(skipspace(p + 1)));
return !isempty(command);
}
}
}
return false;
}
const char *cCommand::Execute(void)
{
dsyslog(LOG_INFO, "executing command '%s'", command);
delete result;
result = NULL;
FILE *p = popen(command, "r");
if (p) {
int l = 0;
int c;
while ((c = fgetc(p)) != EOF) {
if (l % 20 == 0)
result = (char *)realloc(result, l + 21);
result[l++] = c;
}
if (result)
result[l] = 0;
pclose(p);
}
else
esyslog(LOG_ERR, "ERROR: can't open pipe for command '%s'", command);
return result;
}
// -- cKeys ------------------------------------------------------------------
cKeys Keys;
// -- cCommands --------------------------------------------------------------
cCommands Commands;
// -- cChannels --------------------------------------------------------------
int CurrentGroup = -1;
cChannels Channels;
bool cChannels::Load(const char *FileName)
{
if (cConfig<cChannel>::Load(FileName)) {
ReNumber();
return true;
}
return false;
}
int cChannels::GetNextGroup(int Idx)
{
cChannel *channel = Get(++Idx);
while (channel && !channel->groupSep)
channel = Get(++Idx);
return channel ? Idx : -1;
}
int cChannels::GetPrevGroup(int Idx)
{
cChannel *channel = Get(--Idx);
while (channel && !channel->groupSep)
channel = Get(--Idx);
return channel ? Idx : -1;
}
int cChannels::GetNextNormal(int Idx)
{
cChannel *channel = Get(++Idx);
while (channel && channel->groupSep)
channel = Get(++Idx);
return channel ? Idx : -1;
}
void cChannels::ReNumber( void )
{
int Number = 0;
cChannel *ch = (cChannel *)First();
while (ch) {
if (!ch->groupSep)
ch->number = ++Number;
ch = (cChannel *)ch->Next();
}
maxNumber = Number;
}
cChannel *cChannels::GetByNumber(int Number)
{
cChannel *channel = (cChannel *)First();
while (channel) {
if (channel->number == Number)
return channel;
channel = (cChannel *)channel->Next();
}
return NULL;
}
cChannel *cChannels::GetByServiceID(unsigned short ServiceId)
{
cChannel *channel = (cChannel *)First();
while (channel) {
if (channel->pnr == ServiceId)
return channel;
channel = (cChannel *)channel->Next();
}
return NULL;
}
bool cChannels::SwitchTo(int Number, cDvbApi *DvbApi)
{
cChannel *channel = GetByNumber(Number);
return channel && channel->Switch(DvbApi);
}
const char *cChannels::GetChannelNameByNumber(int Number)
{
cChannel *channel = GetByNumber(Number);
return channel ? channel->name : NULL;
}
// -- cTimers ----------------------------------------------------------------
cTimers Timers;
cTimer *cTimers::GetTimer(cTimer *Timer)
{
cTimer *ti = (cTimer *)First();
while (ti) {
if (ti->channel == Timer->channel && ti->day == Timer->day && ti->start == Timer->start && ti->stop == Timer->stop)
return ti;
ti = (cTimer *)ti->Next();
}
return NULL;
}
// -- cSetup -----------------------------------------------------------------
cSetup Setup;
char *cSetup::fileName = NULL;
cSetup::cSetup(void)
{
OSDLanguage = 0;
PrimaryDVB = 1;
ShowInfoOnChSwitch = 1;
MenuScrollPage = 1;
MarkInstantRecord = 1;
LnbFrequLo = 9750;
LnbFrequHi = 10600;
SetSystemTime = 0;
MarginStart = 2;
MarginStop = 10;
}
bool cSetup::Parse(char *s)
{
const char *Delimiters = " \t\n=";
char *Name = strtok(s, Delimiters);
char *Value = strtok(NULL, Delimiters);
if (Name && Value) {
if (!strcasecmp(Name, "OSDLanguage")) OSDLanguage = atoi(Value);
else if (!strcasecmp(Name, "PrimaryDVB")) PrimaryDVB = atoi(Value);
else if (!strcasecmp(Name, "ShowInfoOnChSwitch")) ShowInfoOnChSwitch = atoi(Value);
else if (!strcasecmp(Name, "MenuScrollPage")) MenuScrollPage = atoi(Value);
else if (!strcasecmp(Name, "MarkInstantRecord")) MarkInstantRecord = atoi(Value);
else if (!strcasecmp(Name, "LnbFrequLo")) LnbFrequLo = atoi(Value);
else if (!strcasecmp(Name, "LnbFrequHi")) LnbFrequHi = atoi(Value);
else if (!strcasecmp(Name, "SetSystemTime")) SetSystemTime = atoi(Value);
else if (!strcasecmp(Name, "MarginStart")) MarginStart = atoi(Value);
else if (!strcasecmp(Name, "MarginStop")) MarginStop = atoi(Value);
else
return false;
return true;
}
return false;
}
bool cSetup::Load(const char *FileName)
{
isyslog(LOG_INFO, "loading %s", FileName);
delete fileName;
fileName = strdup(FileName);
FILE *f = fopen(fileName, "r");
if (f) {
int line = 0;
char buffer[MaxBuffer];
bool result = true;
while (fgets(buffer, sizeof(buffer), f) > 0) {
line++;
if (*buffer != '#' && !Parse(buffer)) {
esyslog(LOG_ERR, "error in %s, line %d\n", fileName, line);
result = false;
break;
}
}
fclose(f);
return result;
}
else
LOG_ERROR_STR(FileName);
return false;
}
bool cSetup::Save(const char *FileName)
{
if (!FileName)
FileName = fileName;
if (FileName) {
FILE *f = fopen(FileName, "w");
if (f) {
fprintf(f, "# VDR Setup\n");
fprintf(f, "OSDLanguage = %d\n", OSDLanguage);
fprintf(f, "PrimaryDVB = %d\n", PrimaryDVB);
fprintf(f, "ShowInfoOnChSwitch = %d\n", ShowInfoOnChSwitch);
fprintf(f, "MenuScrollPage = %d\n", MenuScrollPage);
fprintf(f, "MarkInstantRecord = %d\n", MarkInstantRecord);
fprintf(f, "LnbFrequLo = %d\n", LnbFrequLo);
fprintf(f, "LnbFrequHi = %d\n", LnbFrequHi);
fprintf(f, "SetSystemTime = %d\n", SetSystemTime);
fprintf(f, "MarginStart = %d\n", MarginStart);
fprintf(f, "MarginStop = %d\n", MarginStop);
fclose(f);
isyslog(LOG_INFO, "saved setup to %s", FileName);
return true;
}
else
LOG_ERROR_STR(FileName);
}
else
esyslog(LOG_ERR, "attempt to save setup without file name");
return false;
}
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