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vdr/svdrp.c
Klaus Schmidinger 9384e56566 Version 1.3.6 
- Completed the Finnish OSD texts (thanks to Rolf Ahrenberg).
- Fixed some descriptor handling in 'libsi' (thanks to Stéphane Esté-Gracias).
- Fixed handling the current menu item (thanks to Marc Hoppe).
- Fixed assigning events to timers (they no longer get "stuck").
- Added log entries whenever the running status of an event changes (currently
  only logging the first 30 channels).
- Fixed handling timers in VPS margin if the EPG scan is turned on (the EPG scan
  switched the device away from the channel, so it wouldn't see the change of
  the running status).
- Fixed handling "itemized" texts in EPG data (thanks to Stéphane Esté-Gracias
  for pointing out this problem, and Marcel Wiesweg for improving 'libsi').
- Fixed handling VPS times at year boundaries.
- Avoiding too many consecutive "ring buffer overflow" messages (which only
  slowed down performance even more).
- Taking the Sid into account when detecting version changes in processing the
  PMT (thanks to Stéphane Esté-Gracias for pointing out this problem).
- Completed the Russian OSD texts (thanks to Vyacheslav Dikonov).
- Any newline characters in the 'description' of EPG events are now preserved
  to allow texts to be displayed the way the tv stations have formatted them.
  This was also necessary to better display itemized texts.
- Fixed detecting the running status in case an empty EPG event is broadcast (thanks
  to Michael Pennewiß for pointing this out).
- Improved performance when paging through very long menu lists.
- Removed cSchedule::GetEventNumber() and cSchedule::NumEvents(). There is now
  cSchedule::Events() that returns the list of events directly.
- Avoiding occasional bad responsiveness to user interaction caused by assigning
  events to timers.
- Now explicitly turning on the LNB power at startup, because newer drivers don't
  do this any more (thanks to Oliver Endriss for pointing this out).
2004-03-14 18:00:00 +01:00

1218 lines
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/*
* svdrp.c: Simple Video Disk Recorder Protocol
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* The "Simple Video Disk Recorder Protocol" (SVDRP) was inspired
* by the "Simple Mail Transfer Protocol" (SMTP) and is fully ASCII
* text based. Therefore you can simply 'telnet' to your VDR port
* and interact with the Video Disk Recorder - or write a full featured
* graphical interface that sits on top of an SVDRP connection.
*
* $Id: svdrp.c 1.61 2004/02/24 12:24:43 kls Exp $
*/
#include "svdrp.h"
#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <unistd.h>
#include "channels.h"
#include "config.h"
#include "device.h"
#include "eitscan.h"
#include "keys.h"
#include "remote.h"
#include "timers.h"
#include "tools.h"
#include "videodir.h"
// --- cSocket ---------------------------------------------------------------
cSocket::cSocket(int Port, int Queue)
{
port = Port;
sock = -1;
queue = Queue;
}
cSocket::~cSocket()
{
Close();
}
void cSocket::Close(void)
{
if (sock >= 0) {
close(sock);
sock = -1;
}
}
bool cSocket::Open(void)
{
if (sock < 0) {
// create socket:
sock = socket(PF_INET, SOCK_STREAM, 0);
if (sock < 0) {
LOG_ERROR;
port = 0;
return false;
}
// allow it to always reuse the same port:
int ReUseAddr = 1;
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &ReUseAddr, sizeof(ReUseAddr));
//
struct sockaddr_in name;
name.sin_family = AF_INET;
name.sin_port = htons(port);
name.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(sock, (struct sockaddr *)&name, sizeof(name)) < 0) {
LOG_ERROR;
Close();
return false;
}
// make it non-blocking:
int oldflags = fcntl(sock, F_GETFL, 0);
if (oldflags < 0) {
LOG_ERROR;
return false;
}
oldflags |= O_NONBLOCK;
if (fcntl(sock, F_SETFL, oldflags) < 0) {
LOG_ERROR;
return false;
}
// listen to the socket:
if (listen(sock, queue) < 0) {
LOG_ERROR;
return false;
}
}
return true;
}
int cSocket::Accept(void)
{
if (Open()) {
struct sockaddr_in clientname;
uint size = sizeof(clientname);
int newsock = accept(sock, (struct sockaddr *)&clientname, &size);
if (newsock > 0) {
bool accepted = SVDRPhosts.Acceptable(clientname.sin_addr.s_addr);
if (!accepted) {
const char *s = "Access denied!\n";
write(newsock, s, strlen(s));
close(newsock);
newsock = -1;
}
isyslog("connect from %s, port %hd - %s", inet_ntoa(clientname.sin_addr), ntohs(clientname.sin_port), accepted ? "accepted" : "DENIED");
}
else if (errno != EINTR && errno != EAGAIN)
LOG_ERROR;
return newsock;
}
return -1;
}
// --- cPUTEhandler ----------------------------------------------------------
cPUTEhandler::cPUTEhandler(void)
{
if ((f = tmpfile()) != NULL) {
status = 354;
message = "Enter EPG data, end with \".\" on a line by itself";
}
else {
LOG_ERROR;
status = 554;
message = "Error while opening temporary file";
}
}
cPUTEhandler::~cPUTEhandler()
{
if (f)
fclose(f);
}
bool cPUTEhandler::Process(const char *s)
{
if (f) {
if (strcmp(s, ".") != 0) {
fputs(s, f);
fputc('\n', f);
return true;
}
else {
rewind(f);
if (cSchedules::Read(f)) {
cSchedules::Cleanup(true);
status = 250;
message = "EPG data processed";
}
else {
status = 451;
message = "Error while processing EPG data";
}
fclose(f);
f = NULL;
}
}
return false;
}
// --- cSVDRP ----------------------------------------------------------------
#define MAXHELPTOPIC 10
const char *HelpPages[] = {
"CHAN [ + | - | <number> | <name> | <id> ]\n"
" Switch channel up, down or to the given channel number, name or id.\n"
" Without option (or after successfully switching to the channel)\n"
" it returns the current channel number and name.",
"CLRE\n"
" Clear the entire EPG list.",
"DELC <number>\n"
" Delete channel.",
"DELR <number>\n"
" Delete the recording with the given number. Before a recording can be\n"
" deleted, an LSTR command must have been executed in order to retrieve\n"
" the recording numbers. The numbers don't change during subsequent DELR\n"
" commands. CAUTION: THERE IS NO CONFIRMATION PROMPT WHEN DELETING A\n"
" RECORDING - BE SURE YOU KNOW WHAT YOU ARE DOING!",
"DELT <number>\n"
" Delete timer.",
"GRAB <filename> [ jpeg | pnm [ <quality> [ <sizex> <sizey> ] ] ]\n"
" Grab the current frame and save it to the given file. Images can\n"
" be stored as JPEG (default) or PNM, at the given quality (default\n"
" is 'maximum', only applies to JPEG) and size (default is full screen).",
"HELP [ <topic> ]\n"
" The HELP command gives help info.",
"HITK [ <key> ]\n"
" Hit the given remote control key. Without option a list of all\n"
" valid key names is given.",
"LSTC [ <number> | <name> ]\n"
" List channels. Without option, all channels are listed. Otherwise\n"
" only the given channel is listed. If a name is given, all channels\n"
" containing the given string as part of their name are listed.",
"LSTE [ <channel> ] [ now | next | at <time> ]\n"
" List EPG data. Without any parameters all data of all channels is\n"
" listed. If a channel is given (either by number of by channel ID),\n",
" only data for that channel is listed. 'now', 'next', or 'at <time>'\n"
" restricts the returned data to present events, following events, or\n"
" events at the given time (which must be in time_t form)."
"LSTR [ <number> ]\n"
" List recordings. Without option, all recordings are listed. Otherwise\n"
" the summary for the given recording is listed.",
"LSTT [ <number> ]\n"
" List timers. Without option, all timers are listed. Otherwise\n"
" only the given timer is listed.",
"MESG [ <message> ]\n"
" Displays the given message on the OSD. If message is omitted, the\n"
" currently pending message (if any) will be returned. The message\n"
" will be displayed for a few seconds as soon as the OSD has become\n"
" idle. If a new MESG command is entered while the previous message\n"
" has not yet been displayed, the old message will be overwritten.",
"MODC <number> <settings>\n"
" Modify a channel. Settings must be in the same format as returned\n"
" by the LSTC command.",
"MODT <number> on | off | <settings>\n"
" Modify a timer. Settings must be in the same format as returned\n"
" by the LSTT command. The special keywords 'on' and 'off' can be\n"
" used to easily activate or deactivate a timer.",
"MOVC <number> <to>\n"
" Move a channel to a new position.",
"MOVT <number> <to>\n"
" Move a timer to a new position.",
"NEWC <settings>\n"
" Create a new channel. Settings must be in the same format as returned\n"
" by the LSTC command.",
"NEWT <settings>\n"
" Create a new timer. Settings must be in the same format as returned\n"
" by the LSTT command. It is an error if a timer with the same channel,\n"
" day, start and stop time already exists.",
"NEXT [ abs | rel ]\n"
" Show the next timer event. If no option is given, the output will be\n"
" in human readable form. With option 'abs' the absolute time of the next\n"
" event will be given as the number of seconds since the epoch (time_t\n"
" format), while with option 'rel' the relative time will be given as the\n"
" number of seconds from now until the event. If the absolute time given\n"
" is smaller than the current time, or if the relative time is less than\n"
" zero, this means that the timer is currently recording and has started\n"
" at the given time. The first value in the resulting line is the number\n"
" of the timer.",
"PUTE\n"
" Put data into the EPG list. The data entered has to strictly follow the\n"
" format defined in vdr(5) for the 'epg.data' file. A '.' on a line\n"
" by itself terminates the input and starts processing of the data (all\n"
" entered data is buffered until the terminating '.' is seen).",
"SCAN\n"
" Forces an EPG scan. If this is a single DVB device system, the scan\n"
" will be done on the primary device unless it is currently recording.",
"STAT disk\n"
" Return information about disk usage (total, free, percent).",
"UPDT <settings>\n"
" Updates a timer. Settings must be in the same format as returned\n"
" by the LSTT command. If a timer with the same channel, day, start\n"
" and stop time does not yet exists, it will be created.",
"VOLU [ <number> | + | - | mute ]\n"
" Set the audio volume to the given number (which is limited to the range\n"
" 0...255). If the special options '+' or '-' are given, the volume will\n"
" be turned up or down, respectively. The option 'mute' will toggle the\n"
" audio muting. If no option is given, the current audio volume level will\n"
" be returned.",
"QUIT\n"
" Exit vdr (SVDRP).\n"
" You can also hit Ctrl-D to exit.",
NULL
};
/* SVDRP Reply Codes:
214 Help message
215 EPG data record
220 VDR service ready
221 VDR service closing transmission channel
250 Requested VDR action okay, completed
354 Start sending EPG data
451 Requested action aborted: local error in processing
500 Syntax error, command unrecognized
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
550 Requested action not taken
554 Transaction failed
*/
const char *GetHelpTopic(const char *HelpPage)
{
static char topic[MAXHELPTOPIC];
const char *q = HelpPage;
while (*q) {
if (isspace(*q)) {
uint n = q - HelpPage;
if (n >= sizeof(topic))
n = sizeof(topic) - 1;
strncpy(topic, HelpPage, n);
topic[n] = 0;
return topic;
}
q++;
}
return NULL;
}
const char *GetHelpPage(const char *Cmd)
{
const char **p = HelpPages;
while (*p) {
const char *t = GetHelpTopic(*p);
if (strcasecmp(Cmd, t) == 0)
return *p;
p++;
}
return NULL;
}
cSVDRP::cSVDRP(int Port)
:socket(Port)
{
PUTEhandler = NULL;
numChars = 0;
message = NULL;
lastActivity = 0;
isyslog("SVDRP listening on port %d", Port);
}
cSVDRP::~cSVDRP()
{
Close();
free(message);
}
void cSVDRP::Close(bool Timeout)
{
if (file.IsOpen()) {
//TODO how can we get the *full* hostname?
char buffer[BUFSIZ];
gethostname(buffer, sizeof(buffer));
Reply(221, "%s closing connection%s", buffer, Timeout ? " (timeout)" : "");
isyslog("closing SVDRP connection"); //TODO store IP#???
file.Close();
DELETENULL(PUTEhandler);
}
}
bool cSVDRP::Send(const char *s, int length)
{
if (length < 0)
length = strlen(s);
if (safe_write(file, s, length) < 0) {
LOG_ERROR;
file.Close();
return false;
}
return true;
}
void cSVDRP::Reply(int Code, const char *fmt, ...)
{
if (file.IsOpen()) {
if (Code != 0) {
va_list ap;
va_start(ap, fmt);
char *buffer;
vasprintf(&buffer, fmt, ap);
char *nl = strchr(buffer, '\n');
if (Code > 0 && nl && *(nl + 1)) // trailing newlines don't count!
Code = -Code;
char number[16];
sprintf(number, "%03d%c", abs(Code), Code < 0 ? '-' : ' ');
const char *s = buffer;
while (s && *s) {
const char *n = strchr(s, '\n');
if (!(Send(number) && Send(s, n ? n - s : -1) && Send("\r\n"))) {
Close();
break;
}
s = n ? n + 1 : NULL;
}
free(buffer);
va_end(ap);
}
else {
Reply(451, "Zero return code - looks like a programming error!");
esyslog("SVDRP: zero return code!");
}
}
}
void cSVDRP::CmdCHAN(const char *Option)
{
if (*Option) {
int n = -1;
int d = 0;
if (isnumber(Option)) {
int o = strtol(Option, NULL, 10);
if (o >= 1 && o <= Channels.MaxNumber())
n = o;
}
else if (strcmp(Option, "-") == 0) {
n = cDevice::CurrentChannel();
if (n > 1) {
n--;
d = -1;
}
}
else if (strcmp(Option, "+") == 0) {
n = cDevice::CurrentChannel();
if (n < Channels.MaxNumber()) {
n++;
d = 1;
}
}
else {
cChannel *channel = Channels.GetByChannelID(tChannelID::FromString(Option));
if (channel)
n = channel->Number();
else {
int i = 1;
while ((channel = Channels.GetByNumber(i, 1)) != NULL) {
if (strcasecmp(channel->Name(), Option) == 0) {
n = channel->Number();
break;
}
i = channel->Number() + 1;
}
}
}
if (n < 0) {
Reply(501, "Undefined channel \"%s\"", Option);
return;
}
if (!d) {
cChannel *channel = Channels.GetByNumber(n);
if (channel) {
if (!cDevice::PrimaryDevice()->SwitchChannel(channel, true)) {
Reply(554, "Error switching to channel \"%d\"", channel->Number());
return;
}
}
else {
Reply(550, "Unable to find channel \"%s\"", Option);
return;
}
}
else
cDevice::SwitchChannel(d);
}
cChannel *channel = Channels.GetByNumber(cDevice::CurrentChannel());
if (channel)
Reply(250, "%d %s", channel->Number(), channel->Name());
else
Reply(550, "Unable to find channel \"%d\"", cDevice::CurrentChannel());
}
void cSVDRP::CmdCLRE(const char *Option)
{
cSchedules::ClearAll();
Reply(250, "EPG data cleared");
}
void cSVDRP::CmdDELC(const char *Option)
{
if (*Option) {
if (isnumber(Option)) {
cChannel *channel = Channels.GetByNumber(strtol(Option, NULL, 10));
if (channel) {
for (cTimer *timer = Timers.First(); timer; timer = Timers.Next(timer)) {
if (timer->Channel() == channel) {
Reply(550, "Channel \"%s\" is in use by timer %d", Option, timer->Index() + 1);
return;
}
}
Channels.Del(channel);
Channels.ReNumber();
Channels.SetModified();
isyslog("channel %s deleted", Option);
Reply(250, "Channel \"%s\" deleted", Option);
}
else
Reply(501, "Channel \"%s\" not defined", Option);
}
else
Reply(501, "Error in channel number \"%s\"", Option);
}
else
Reply(501, "Missing channel number");
}
void cSVDRP::CmdDELR(const char *Option)
{
if (*Option) {
if (isnumber(Option)) {
cRecording *recording = Recordings.Get(strtol(Option, NULL, 10) - 1);
if (recording) {
if (recording->Delete())
Reply(250, "Recording \"%s\" deleted", Option);
else
Reply(554, "Error while deleting recording!");
}
else
Reply(550, "Recording \"%s\" not found%s", Option, Recordings.Count() ? "" : " (use LSTR before deleting)");
}
else
Reply(501, "Error in recording number \"%s\"", Option);
}
else
Reply(501, "Missing recording number");
}
void cSVDRP::CmdDELT(const char *Option)
{
if (*Option) {
if (isnumber(Option)) {
cTimer *timer = Timers.Get(strtol(Option, NULL, 10) - 1);
if (timer) {
if (!timer->Recording()) {
Timers.Del(timer);
Timers.Save();
isyslog("timer %s deleted", Option);
Reply(250, "Timer \"%s\" deleted", Option);
}
else
Reply(550, "Timer \"%s\" is recording", Option);
}
else
Reply(501, "Timer \"%s\" not defined", Option);
}
else
Reply(501, "Error in timer number \"%s\"", Option);
}
else
Reply(501, "Missing timer number");
}
void cSVDRP::CmdGRAB(const char *Option)
{
char *FileName = NULL;
bool Jpeg = true;
int Quality = -1, SizeX = -1, SizeY = -1;
if (*Option) {
char buf[strlen(Option) + 1];
char *p = strcpy(buf, Option);
const char *delim = " \t";
FileName = strtok(p, delim);
if ((p = strtok(NULL, delim)) != NULL) {
if (strcasecmp(p, "JPEG") == 0)
Jpeg = true;
else if (strcasecmp(p, "PNM") == 0)
Jpeg = false;
else {
Reply(501, "Unknown image type \"%s\"", p);
return;
}
}
if ((p = strtok(NULL, delim)) != NULL) {
if (isnumber(p))
Quality = atoi(p);
else {
Reply(501, "Illegal quality \"%s\"", p);
return;
}
}
if ((p = strtok(NULL, delim)) != NULL) {
if (isnumber(p))
SizeX = atoi(p);
else {
Reply(501, "Illegal sizex \"%s\"", p);
return;
}
if ((p = strtok(NULL, delim)) != NULL) {
if (isnumber(p))
SizeY = atoi(p);
else {
Reply(501, "Illegal sizey \"%s\"", p);
return;
}
}
else {
Reply(501, "Missing sizey");
return;
}
}
if ((p = strtok(NULL, delim)) != NULL) {
Reply(501, "Unexpected parameter \"%s\"", p);
return;
}
if (cDevice::PrimaryDevice()->GrabImage(FileName, Jpeg, Quality, SizeX, SizeY))
Reply(250, "Grabbed image %s", Option);
else
Reply(451, "Grab image failed");
}
else
Reply(501, "Missing filename");
}
void cSVDRP::CmdHELP(const char *Option)
{
if (*Option) {
const char *hp = GetHelpPage(Option);
if (hp)
Reply(214, hp);
else {
Reply(504, "HELP topic \"%s\" unknown", Option);
return;
}
}
else {
Reply(-214, "This is VDR version %s", VDRVERSION);
Reply(-214, "Topics:");
const char **hp = HelpPages;
int NumPages = 0;
while (*hp) {
NumPages++;
hp++;
}
const int TopicsPerLine = 5;
int x = 0;
for (int y = 0; (y * TopicsPerLine + x) < NumPages; y++) {
char buffer[TopicsPerLine * (MAXHELPTOPIC + 5)];
char *q = buffer;
for (x = 0; x < TopicsPerLine && (y * TopicsPerLine + x) < NumPages; x++) {
const char *topic = GetHelpTopic(HelpPages[(y * TopicsPerLine + x)]);
if (topic)
q += sprintf(q, " %s", topic);
}
x = 0;
Reply(-214, buffer);
}
Reply(-214, "To report bugs in the implementation send email to");
Reply(-214, " vdr-bugs@cadsoft.de");
}
Reply(214, "End of HELP info");
}
void cSVDRP::CmdHITK(const char *Option)
{
if (*Option) {
eKeys k = cKey::FromString(Option);
if (k != kNone) {
cRemote::Put(k);
Reply(250, "Key \"%s\" accepted", Option);
}
else
Reply(504, "Unknown key: \"%s\"", Option);
}
else {
Reply(-214, "Valid <key> names for the HITK command:");
for (int i = 0; i < kNone; i++) {
Reply(-214, " %s", cKey::ToString(eKeys(i)));
}
Reply(214, "End of key list");
}
}
void cSVDRP::CmdLSTC(const char *Option)
{
if (*Option) {
if (isnumber(Option)) {
cChannel *channel = Channels.GetByNumber(strtol(Option, NULL, 10));
if (channel)
Reply(250, "%d %s", channel->Number(), channel->ToText());
else
Reply(501, "Channel \"%s\" not defined", Option);
}
else {
int i = 1;
cChannel *next = NULL;
while (i <= Channels.MaxNumber()) {
cChannel *channel = Channels.GetByNumber(i, 1);
if (channel) {
if (strcasestr(channel->Name(), Option)) {
if (next)
Reply(-250, "%d %s", next->Number(), next->ToText());
next = channel;
}
}
else {
Reply(501, "Channel \"%d\" not found", i);
return;
}
i = channel->Number() + 1;
}
if (next)
Reply(250, "%d %s", next->Number(), next->ToText());
else
Reply(501, "Channel \"%s\" not defined", Option);
}
}
else if (Channels.MaxNumber() >= 1) {
int i = 1;
while (i <= Channels.MaxNumber()) {
cChannel *channel = Channels.GetByNumber(i, 1);
if (channel)
Reply(channel->Number() < Channels.MaxNumber() ? -250 : 250, "%d %s", channel->Number(), channel->ToText());
else
Reply(501, "Channel \"%d\" not found", i);
i = channel->Number() + 1;
}
}
else
Reply(550, "No channels defined");
}
void cSVDRP::CmdLSTE(const char *Option)
{
cSchedulesLock SchedulesLock;
const cSchedules *Schedules = cSchedules::Schedules(SchedulesLock);
if (Schedules) {
const cSchedule* Schedule = NULL;
eDumpMode DumpMode = dmAll;
time_t AtTime = 0;
if (*Option) {
char buf[strlen(Option) + 1];
strcpy(buf, Option);
const char *delim = " \t";
char *p = strtok(buf, delim);
while (p && DumpMode == dmAll) {
if (strcasecmp(p, "NOW") == 0)
DumpMode = dmPresent;
else if (strcasecmp(p, "NEXT") == 0)
DumpMode = dmFollowing;
else if (strcasecmp(p, "AT") == 0) {
DumpMode = dmAtTime;
if ((p = strtok(NULL, delim)) != NULL) {
if (isnumber(p))
AtTime = strtol(p, NULL, 10);
else {
Reply(501, "Invalid time");
return;
}
}
else {
Reply(501, "Missing time");
return;
}
}
else if (!Schedule) {
cChannel* Channel = NULL;
if (isnumber(p))
Channel = Channels.GetByNumber(strtol(Option, NULL, 10));
else
Channel = Channels.GetByChannelID(tChannelID::FromString(Option));
if (Channel) {
Schedule = Schedules->GetSchedule(Channel->GetChannelID());
if (!Schedule) {
Reply(550, "No schedule found");
return;
}
}
else {
Reply(550, "Channel \"%s\" not defined", p);
return;
}
}
else {
Reply(501, "Unknown option: \"%s\"", p);
return;
}
p = strtok(NULL, delim);
}
}
FILE *f = fdopen(file, "w");
if (f) {
if (Schedule)
Schedule->Dump(f, "215-", DumpMode, AtTime);
else
Schedules->Dump(f, "215-", DumpMode, AtTime);
fflush(f);
Reply(215, "End of EPG data");
// don't 'fclose(f)' here!
}
else
Reply(451, "Can't open file connection");
}
else
Reply(451, "Can't get EPG data");
}
void cSVDRP::CmdLSTR(const char *Option)
{
bool recordings = Recordings.Load();
if (*Option) {
if (isnumber(Option)) {
cRecording *recording = Recordings.Get(strtol(Option, NULL, 10) - 1);
if (recording) {
if (recording->Summary()) {
char *summary = strdup(recording->Summary());
Reply(250, "%s", strreplace(summary,'\n','|'));
free(summary);
}
else
Reply(550, "No summary available");
}
else
Reply(550, "Recording \"%s\" not found", Option);
}
else
Reply(501, "Error in recording number \"%s\"", Option);
}
else if (recordings) {
cRecording *recording = Recordings.First();
while (recording) {
Reply(recording == Recordings.Last() ? 250 : -250, "%d %s", recording->Index() + 1, recording->Title(' ', true));
recording = Recordings.Next(recording);
}
}
else
Reply(550, "No recordings available");
}
void cSVDRP::CmdLSTT(const char *Option)
{
if (*Option) {
if (isnumber(Option)) {
cTimer *timer = Timers.Get(strtol(Option, NULL, 10) - 1);
if (timer)
Reply(250, "%d %s", timer->Index() + 1, timer->ToText());
else
Reply(501, "Timer \"%s\" not defined", Option);
}
else
Reply(501, "Error in timer number \"%s\"", Option);
}
else if (Timers.Count()) {
for (int i = 0; i < Timers.Count(); i++) {
cTimer *timer = Timers.Get(i);
if (timer)
Reply(i < Timers.Count() - 1 ? -250 : 250, "%d %s", timer->Index() + 1, timer->ToText());
else
Reply(501, "Timer \"%d\" not found", i + 1);
}
}
else
Reply(550, "No timers defined");
}
void cSVDRP::CmdMESG(const char *Option)
{
if (*Option) {
free(message);
message = strdup(Option);
isyslog("SVDRP message: '%s'", message);
Reply(250, "Message stored");
}
else if (message)
Reply(250, "%s", message);
else
Reply(550, "No pending message");
}
void cSVDRP::CmdMODC(const char *Option)
{
if (*Option) {
char *tail;
int n = strtol(Option, &tail, 10);
if (tail && tail != Option) {
tail = skipspace(tail);
cChannel *channel = Channels.GetByNumber(n);
if (channel) {
cChannel ch;
if (ch.Parse(tail, true)) {
if (Channels.HasUniqueChannelID(&ch, channel)) {
*channel = ch;
Channels.ReNumber();
Channels.SetModified();
isyslog("modifed channel %d %s", channel->Number(), channel->ToText());
Reply(250, "%d %s", channel->Number(), channel->ToText());
}
else
Reply(501, "Channel settings are not unique");
}
else
Reply(501, "Error in channel settings");
}
else
Reply(501, "Channel \"%d\" not defined", n);
}
else
Reply(501, "Error in channel number");
}
else
Reply(501, "Missing channel settings");
}
void cSVDRP::CmdMODT(const char *Option)
{
if (*Option) {
char *tail;
int n = strtol(Option, &tail, 10);
if (tail && tail != Option) {
tail = skipspace(tail);
cTimer *timer = Timers.Get(n - 1);
if (timer) {
cTimer t = *timer;
if (strcasecmp(tail, "ON") == 0)
t.SetFlags(tfActive);
else if (strcasecmp(tail, "OFF") == 0)
t.ClrFlags(tfActive);
else if (!t.Parse(tail)) {
Reply(501, "Error in timer settings");
return;
}
*timer = t;
Timers.Save();
isyslog("timer %d modified (%s)", timer->Index() + 1, timer->HasFlags(tfActive) ? "active" : "inactive");
Reply(250, "%d %s", timer->Index() + 1, timer->ToText());
}
else
Reply(501, "Timer \"%d\" not defined", n);
}
else
Reply(501, "Error in timer number");
}
else
Reply(501, "Missing timer settings");
}
void cSVDRP::CmdMOVC(const char *Option)
{
//TODO combine this with menu action (timers must be updated)
Reply(502, "MOVC not yet implemented");
}
void cSVDRP::CmdMOVT(const char *Option)
{
//TODO combine this with menu action
Reply(502, "MOVT not yet implemented");
}
void cSVDRP::CmdNEWC(const char *Option)
{
if (*Option) {
cChannel ch;
if (ch.Parse(Option, true)) {
if (Channels.HasUniqueChannelID(&ch)) {
cChannel *channel = new cChannel;
*channel = ch;
Channels.Add(channel);
Channels.ReNumber();
Channels.SetModified();
isyslog("new channel %d %s", channel->Number(), channel->ToText());
Reply(250, "%d %s", channel->Number(), channel->ToText());
}
else
Reply(501, "Channel settings are not unique");
}
else
Reply(501, "Error in channel settings");
}
else
Reply(501, "Missing channel settings");
}
void cSVDRP::CmdNEWT(const char *Option)
{
if (*Option) {
cTimer *timer = new cTimer;
if (timer->Parse(Option)) {
cTimer *t = Timers.GetTimer(timer);
if (!t) {
Timers.Add(timer);
Timers.Save();
isyslog("timer %d added", timer->Index() + 1);
Reply(250, "%d %s", timer->Index() + 1, timer->ToText());
return;
}
else
Reply(550, "Timer already defined: %d %s", t->Index() + 1, t->ToText());
}
else
Reply(501, "Error in timer settings");
delete timer;
}
else
Reply(501, "Missing timer settings");
}
void cSVDRP::CmdNEXT(const char *Option)
{
cTimer *t = Timers.GetNextActiveTimer();
if (t) {
time_t Start = t->StartTime();
int Number = t->Index() + 1;
if (!*Option) {
char *s = ctime(&Start);
s[strlen(s) - 1] = 0; // strip trailing newline
Reply(250, "%d %s", Number, s);
}
else if (strcasecmp(Option, "ABS") == 0)
Reply(250, "%d %ld", Number, Start);
else if (strcasecmp(Option, "REL") == 0)
Reply(250, "%d %ld", Number, Start - time(NULL));
else
Reply(501, "Unknown option: \"%s\"", Option);
}
else
Reply(550, "No active timers");
}
void cSVDRP::CmdPUTE(const char *Option)
{
delete PUTEhandler;
PUTEhandler = new cPUTEhandler;
Reply(PUTEhandler->Status(), PUTEhandler->Message());
if (PUTEhandler->Status() != 354)
DELETENULL(PUTEhandler);
}
void cSVDRP::CmdSCAN(const char *Option)
{
EITScanner.ForceScan();
Reply(250, "EPG scan triggered");
}
void cSVDRP::CmdSTAT(const char *Option)
{
if (*Option) {
if (strcasecmp(Option, "DISK") == 0) {
int FreeMB, UsedMB;
int Percent = VideoDiskSpace(&FreeMB, &UsedMB);
Reply(250, "%dMB %dMB %d%%", FreeMB + UsedMB, FreeMB, Percent);
}
else
Reply(501, "Invalid Option \"%s\"", Option);
}
else
Reply(501, "No option given");
}
void cSVDRP::CmdUPDT(const char *Option)
{
if (*Option) {
cTimer *timer = new cTimer;
if (timer->Parse(Option)) {
cTimer *t = Timers.GetTimer(timer);
if (t) {
t->Parse(Option);
delete timer;
timer = t;
isyslog("timer %d updated", timer->Index() + 1);
}
else {
Timers.Add(timer);
isyslog("timer %d added", timer->Index() + 1);
}
Timers.Save();
Reply(250, "%d %s", timer->Index() + 1, timer->ToText());
return;
}
else
Reply(501, "Error in timer settings");
delete timer;
}
else
Reply(501, "Missing timer settings");
}
void cSVDRP::CmdVOLU(const char *Option)
{
if (*Option) {
if (isnumber(Option))
cDevice::PrimaryDevice()->SetVolume(strtol(Option, NULL, 10), true);
else if (strcmp(Option, "+") == 0)
cDevice::PrimaryDevice()->SetVolume(VOLUMEDELTA);
else if (strcmp(Option, "-") == 0)
cDevice::PrimaryDevice()->SetVolume(-VOLUMEDELTA);
else if (strcasecmp(Option, "MUTE") == 0)
cDevice::PrimaryDevice()->ToggleMute();
else {
Reply(501, "Unknown option: \"%s\"", Option);
return;
}
}
if (cDevice::PrimaryDevice()->IsMute())
Reply(250, "Audio is mute");
else
Reply(250, "Audio volume is %d", cDevice::CurrentVolume());
}
#define CMD(c) (strcasecmp(Cmd, c) == 0)
void cSVDRP::Execute(char *Cmd)
{
// handle PUTE data:
if (PUTEhandler) {
if (!PUTEhandler->Process(Cmd)) {
Reply(PUTEhandler->Status(), PUTEhandler->Message());
DELETENULL(PUTEhandler);
}
return;
}
// skip leading whitespace:
Cmd = skipspace(Cmd);
// find the end of the command word:
char *s = Cmd;
while (*s && !isspace(*s))
s++;
if (*s)
*s++ = 0;
s = skipspace(s);
if (CMD("CHAN")) CmdCHAN(s);
else if (CMD("CLRE")) CmdCLRE(s);
else if (CMD("DELC")) CmdDELC(s);
else if (CMD("DELR")) CmdDELR(s);
else if (CMD("DELT")) CmdDELT(s);
else if (CMD("GRAB")) CmdGRAB(s);
else if (CMD("HELP")) CmdHELP(s);
else if (CMD("HITK")) CmdHITK(s);
else if (CMD("LSTC")) CmdLSTC(s);
else if (CMD("LSTE")) CmdLSTE(s);
else if (CMD("LSTR")) CmdLSTR(s);
else if (CMD("LSTT")) CmdLSTT(s);
else if (CMD("MESG")) CmdMESG(s);
else if (CMD("MODC")) CmdMODC(s);
else if (CMD("MODT")) CmdMODT(s);
else if (CMD("MOVC")) CmdMOVC(s);
else if (CMD("MOVT")) CmdMOVT(s);
else if (CMD("NEWC")) CmdNEWC(s);
else if (CMD("NEWT")) CmdNEWT(s);
else if (CMD("NEXT")) CmdNEXT(s);
else if (CMD("PUTE")) CmdPUTE(s);
else if (CMD("SCAN")) CmdSCAN(s);
else if (CMD("STAT")) CmdSTAT(s);
else if (CMD("UPDT")) CmdUPDT(s);
else if (CMD("VOLU")) CmdVOLU(s);
else if (CMD("QUIT")) Close();
else Reply(500, "Command unrecognized: \"%s\"", Cmd);
}
bool cSVDRP::Process(void)
{
bool NewConnection = !file.IsOpen();
bool SendGreeting = NewConnection;
if (file.IsOpen() || file.Open(socket.Accept())) {
if (SendGreeting) {
//TODO how can we get the *full* hostname?
char buffer[BUFSIZ];
gethostname(buffer, sizeof(buffer));
time_t now = time(NULL);
Reply(220, "%s SVDRP VideoDiskRecorder %s; %s", buffer, VDRVERSION, ctime(&now));
}
if (NewConnection)
lastActivity = time(NULL);
while (file.Ready(false)) {
unsigned char c;
int r = safe_read(file, &c, 1);
if (r > 0) {
if (c == '\n' || c == 0x00) {
// strip trailing whitespace:
while (numChars > 0 && strchr(" \t\r\n", cmdLine[numChars - 1]))
cmdLine[--numChars] = 0;
// make sure the string is terminated:
cmdLine[numChars] = 0;
// showtime!
Execute(cmdLine);
numChars = 0;
}
else if (c == 0x04 && numChars == 0) {
// end of file (only at beginning of line)
Close();
}
else if (c == 0x08 || c == 0x7F) {
// backspace or delete (last character)
if (numChars > 0)
numChars--;
}
else if (c <= 0x03 || c == 0x0D) {
// ignore control characters
}
else if (numChars < sizeof(cmdLine) - 1) {
cmdLine[numChars++] = c;
cmdLine[numChars] = 0;
}
else {
Reply(501, "Command line too long");
esyslog("SVDRP: command line too long: '%s'", cmdLine);
numChars = 0;
}
lastActivity = time(NULL);
}
else if (r < 0) {
isyslog("lost connection to SVDRP client");
Close();
}
else
break;
}
if (Setup.SVDRPTimeout && time(NULL) - lastActivity > Setup.SVDRPTimeout) {
isyslog("timeout on SVDRP connection");
Close(true);
}
return true;
}
return false;
}
char *cSVDRP::GetMessage(void)
{
char *s = message;
message = NULL;
return s;
}
//TODO more than one connection???
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