Version 0.01 (Initial revision).vdr_osm-0.01

1 files changed, 333 insertions, 0 deletions

diff --git a/config.c b/config.c
new file mode 100644
index 0000000..5031569
--- /dev/null
+++ b/config.c
@@ -0,0 +1,333 @@
+/*
+ * config.c: Configuration file handling
+ *
+ * See the main source file 'osm.c' for copyright information and
+ * how to reach the author.
+ *
+ * $Id: config.c 1.1 2000/02/19 13:36:48 kls Exp $
+ */
+
+#include "config.h"
+#include <ctype.h>
+#include <stdlib.h>
+#include <time.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 },
+                    { 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) {
+                           fprintf(stderr, "unknown key in %s, line %d\n", fileName, line);
+                           result = false;
+                           break;
+                           }
+                        }
+                    }
+                 continue;
+                 }
+              fprintf(stderr, "error in %s, line %d\n", fileName, line);
+              result = false;
+              break;
+              }
+        fclose(f);
+        }
+     else
+        fprintf(stderr, "can't open '%s'\n", fileName);
+     }
+  else
+     fprintf(stderr, "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;
+}
+
+bool cChannel::Parse(char *s)
+{
+  char *buffer = NULL;
+  if (7 == sscanf(s, "%a[^:]:%d:%c:%d:%d:%d:%d", &buffer, &frequency, &polarization, &diseqc, &srate, &vpid, &apid)) {
+     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\n", name, frequency, polarization, diseqc, srate, vpid, apid) > 0;
+}
+
+bool cChannel::Switch(void)
+{
+  if (!ChannelLocked) {
+     isyslog(LOG_INFO, "switching to channel %d", Index() + 1);
+     CurrentChannel = Index();
+     Interface.DisplayChannel(CurrentChannel + 1, name);
+     for (int i = 3; --i;) {
+         if (DvbSetChannel(frequency, polarization, diseqc, srate, vpid, apid))
+            return true;
+         esyslog(LOG_ERR, "retrying");
+         }
+     }
+  Interface.Info("Channel locked (recording)!");
+  return false;
+}
+
+bool cChannel::SwitchTo(int i)
+{
+  cChannel *channel = Channels.Get(i);
+  return channel && channel->Switch();
+}
+
+// -- cTimer -----------------------------------------------------------------
+
+cTimer::cTimer(void)
+{
+  *file = 0;
+}
+
+int cTimer::TimeToInt(int t)
+{
+  return (t / 100 * 60 + t % 100) * 60;
+}
+
+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 (9 == sscanf(s, "%d:%d:%a[^:]:%d:%d:%c:%d:%d:%as", &active, &channel, &buffer1, &start, &stop, &quality, &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:%c:%d:%d:%s\n", active, channel, PrintDay(day), start, stop, quality, priority, lifetime, file) > 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 current = (now->tm_hour * 60 + now->tm_min) * 60 + now->tm_sec;
+     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) {
+        t -= 86400;
+        now = localtime(&t);
+        if (day == now->tm_mday)
+           yesterdayMatches = true;
+        }
+     return (todayMatches && current >= begin && (current <= end || twoDays))
+            || (twoDays && yesterdayMatches && current <= end);
+     }
+  return false;
+}
+
+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;
+bool ChannelLocked = false;
+
+cChannels Channels;
+
+// -- cTimers ----------------------------------------------------------------
+
+cTimers Timers;
+