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vdr/config.c
2000-04-24 09:46:05 +02:00

406 lines
11 KiB
C

/*
* config.c: Configuration file handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: config.c 1.5 2000/04/24 09:44:15 kls Exp $
*/
#include "config.h"
#include <ctype.h>
#include <stdlib.h>
#include "dvbapi.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 },
{ 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 },
{ kRed, "Red", 0 },
{ kGreen, "Green", 0 },
{ kYellow, "Yellow", 0 },
{ kBlue, "Blue", 0 },
{ kRecord, "Record", 0 },
{ kPause, "Pause", 0 },
{ kStop, "Stop", 0 },
{ kBegin, "Begin", 0 },
{ kSearchForward, "SearchForward", 0 },
{ kSearchBack, "SearchBack", 0 },
{ kSkipForward, "SkipForward", 0 },
{ kSkipBack, "SkipBack", 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;
}
bool cKeys::Load(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;
}
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 ---------------------------------------------------------------
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;
}
bool cChannel::Parse(char *s)
{
char *buffer = NULL;
if (9 == sscanf(s, "%a[^:]:%d:%c:%d:%d:%d:%d:%d:%d", &buffer, &frequency, &polarization, &diseqc, &srate, &vpid, &apid, &ca, &pnr)) {
strncpy(name, buffer, MaxChannelName - 1);
name[strlen(buffer)] = 0;
delete buffer;
return true;
}
return false;
}
bool cChannel::Save(FILE *f)
{
return fprintf(f, "%s:%d:%c:%d:%d:%d:%d:%d:%d\n", name, frequency, polarization, diseqc, srate, vpid, apid, ca, pnr) > 0;
}
bool cChannel::Switch(void)
{
if (!DvbApi.Recording()) {
isyslog(LOG_INFO, "switching to channel %d", Index() + 1);
CurrentChannel = Index();
for (int i = 3; --i;) {
if (DvbApi.SetChannel(frequency, polarization, diseqc, srate, vpid, apid, ca, pnr))
return true;
esyslog(LOG_ERR, "retrying");
}
return false;
}
Interface.Info("Channel locked (recording)!");
return false;
}
bool cChannel::SwitchTo(int i)
{
cChannel *channel = Channels.Get(i);
return channel && channel->Switch();
}
// -- cTimer -----------------------------------------------------------------
cTimer::cTimer(bool Instant)
{
startTime = stopTime = 0;
recording = false;
active = Instant;
channel = CurrentChannel + 1;
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;
strcpy(file, Instant ? "instant" : "");
}
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(char *s)
{
char *tail;
int d = strtol(s, &tail, 10);
if (tail && *tail) {
d = 0;
if (tail == s) {
if (strlen(s) == 7) {
for (char *p = s + 6; p >= s; p--) {
d <<= 1;
d |= (*p != '-');
}
d |= 0x80000000;
}
}
}
else if (d < 1 || d > 31)
d = 0;
return d;
}
char *cTimer::PrintDay(int d)
{
static char buffer[8];
if ((d & 0x80000000) != 0) {
char *b = buffer;
char *w = "MTWTFSS";
*b = 0;
while (*w) {
*b++ = (d & 1) ? *w : '-';
d >>= 1;
w++;
}
}
else
sprintf(buffer, "%d", d);
return buffer;
}
bool cTimer::Parse(char *s)
{
char *buffer1 = NULL;
char *buffer2 = NULL;
if (8 == sscanf(s, "%d:%d:%a[^:]:%d:%d:%d:%d:%as", &active, &channel, &buffer1, &start, &stop, &priority, &lifetime, &buffer2)) {
day = ParseDay(buffer1);
strncpy(file, buffer2, MaxFileName - 1);
file[strlen(buffer2)] = 0;
delete buffer1;
delete buffer2;
return day != 0;
}
return false;
}
bool cTimer::Save(FILE *f)
{
return fprintf(f, "%d:%d:%s:%d:%d:%d:%d:%s\n", active, channel, PrintDay(day), start, stop, priority, lifetime, file) > 0;
}
bool cTimer::IsSingleEvent(void)
{
return (day & 0x80000000) == 0;
}
bool cTimer::Matches(void)
{
if (active) {
time_t 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)
{
cTimer *t = (cTimer *)Timers.First();
while (t) {
if (t->Matches())
return t;
t = (cTimer *)t->Next();
}
return NULL;
}
// -- cKeys ------------------------------------------------------------------
cKeys Keys;
// -- cChannels --------------------------------------------------------------
int CurrentChannel = 0;
cChannels Channels;
// -- cTimers ----------------------------------------------------------------
cTimers Timers;