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xvdrclient.c
2023 lines (1588 loc) · 48.1 KB
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xvdrclient.c
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/*
* vdr-plugin-xvdr - XVDR server plugin for VDR
*
* Copyright (C) 2010 Alwin Esch (Team XBMC)
* Copyright (C) 2010, 2011 Alexander Pipelka
*
* https://github.com/pipelka/vdr-plugin-xvdr
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <sys/socket.h>
#include <unistd.h>
#include <sys/types.h>
#include <map>
#include <string>
#include <vdr/recording.h>
#include <vdr/channels.h>
#include <vdr/i18n.h>
#include <vdr/videodir.h>
#include <vdr/plugin.h>
#include <vdr/timers.h>
#include <vdr/menu.h>
#include <vdr/device.h>
#include <vdr/sources.h>
#include "config/config.h"
#include "live/livestreamer.h"
#include "net/msgpacket.h"
#include "recordings/recordingscache.h"
#include "recordings/recplayer.h"
#include "tools/hash.h"
#include "xvdr/xvdrchannels.h"
#include "xvdrcommand.h"
#include "xvdrclient.h"
#include "xvdrserver.h"
#include "timerconflicts.h"
static bool IsRadio(const cChannel* channel)
{
bool isRadio = false;
// assume channels without VPID & APID are video channels
if (channel->Vpid() == 0 && channel->Apid(0) == 0)
isRadio = false;
// channels without VPID are radio channels (channels with VPID 1 are encrypted radio channels)
else if (channel->Vpid() == 0 || channel->Vpid() == 1)
isRadio = true;
return isRadio;
}
static uint32_t recid2uid(const char* recid)
{
uint32_t uid = 0;
sscanf(recid, "%8x", &uid);
DEBUGLOG("lookup recid: %s (uid: %u)", recid, uid);
return uid;
}
cString cXVDRClient::CreateServiceReference(cChannel* channel)
{
int hash = 0;
if(cSource::IsSat(channel->Source()))
{
hash = channel->Source() & cSource::st_Pos;
#if VDRVERSNUM >= 20101
hash = -hash;
#endif
if(hash > 0x00007FFF)
hash |= 0xFFFF0000;
if(hash < 0)
hash = -hash;
else
hash = 1800 + hash;
hash = hash << 16;
}
else if(cSource::IsCable(channel->Source()))
hash = 0xFFFF0000;
else if(cSource::IsTerr(channel->Source()))
hash = 0xEEEE0000;
else if(cSource::IsAtsc(channel->Source()))
hash = 0xDDDD0000;
cString serviceref = cString::sprintf("1_0_%i_%X_%X_%X_%X_0_0_0",
IsRadio(channel) ? 2 : (channel->Vtype() == 27) ? 19 : 1,
channel->Sid(),
channel->Tid(),
channel->Nid(),
hash);
return serviceref;
}
cString cXVDRClient::CreateLogoURL(cChannel* channel)
{
if((const char*)XVDRServerConfig.PiconsURL == NULL || strlen((const char*)XVDRServerConfig.PiconsURL) == 0)
return "";
cString url = AddDirectory(XVDRServerConfig.PiconsURL, (const char*)CreateServiceReference(channel));
return cString::sprintf("%s.png", (const char*)url);
}
void cXVDRClient::PutTimer(cTimer* timer, MsgPacket* p)
{
int flags = CheckTimerConflicts(timer);
p->put_U32(timer->Index()+1);
p->put_U32(timer->Flags() | flags);
p->put_U32(timer->Priority());
p->put_U32(timer->Lifetime());
p->put_U32(CreateChannelUID(timer->Channel()));
p->put_U32(timer->StartTime());
p->put_U32(timer->StopTime());
p->put_U32(timer->Day());
p->put_U32(timer->WeekDays());
p->put_String(m_toUTF8.Convert(timer->File()));
}
cMutex cXVDRClient::m_timerLock;
cXVDRClient::cXVDRClient(int fd, unsigned int id)
{
m_Id = id;
m_loggedIn = false;
m_Streamer = NULL;
m_StatusInterfaceEnabled = false;
m_RecPlayer = NULL;
m_req = NULL;
m_resp = NULL;
m_compressionLevel = 0;
m_LanguageIndex = -1;
m_LangStreamType = cStreamInfo::stMPEG2AUDIO;
m_channelCount = 0;
m_timeout = 3000;
m_socket = fd;
m_wantfta = true;
m_filterlanguage = false;
Start();
}
cXVDRClient::~cXVDRClient()
{
DEBUGLOG("%s", __FUNCTION__);
StopChannelStreaming();
// shutdown connection
shutdown(m_socket, SHUT_RDWR);
Cancel(10);
// close connection
close(m_socket);
// remove recplayer
delete m_RecPlayer;
// delete messagequeue
{
cMutexLock lock(&m_queueLock);
while(!m_queue.empty()) {
MsgPacket* p = m_queue.front();
m_queue.pop();
delete p;
}
}
DEBUGLOG("done");
}
void cXVDRClient::Action(void)
{
bool bClosed(false);
// only root may change the priority
if(geteuid() == 0) {
SetPriority(10);
}
while (Running()) {
// send pending messages
{
cMutexLock lock(&m_queueLock);
while(!m_queue.empty()) {
MsgPacket* p = m_queue.front();
if(!p->write(m_socket, m_timeout)) {
break;
}
m_queue.pop();
delete p;
}
}
m_req = MsgPacket::read(m_socket, bClosed, 1000);
if(bClosed) {
delete m_req;
m_req = NULL;
break;
}
if(m_req != NULL) {
processRequest();
delete m_req;
}
else if(m_scanner.IsScanning()) {
SendScannerStatus();
}
}
/* If thread is ended due to closed connection delete a
possible running stream here */
StopChannelStreaming();
}
int cXVDRClient::StartChannelStreaming(const cChannel *channel, uint32_t timeout, int32_t priority, bool waitforiframe)
{
m_Streamer = new cLiveStreamer(priority, timeout, m_protocolVersion);
m_Streamer->SetLanguage(m_LanguageIndex, m_LangStreamType);
return m_Streamer->StreamChannel(channel, m_socket, waitforiframe);
}
void cXVDRClient::StopChannelStreaming()
{
delete m_Streamer;
m_Streamer = NULL;
}
void cXVDRClient::TimerChange(const cTimer *Timer, eTimerChange Change)
{
// do not handle timer modifications and deletions
if(Change == tcMod || Change == tcDel)
return;
TimerChange();
}
void cXVDRClient::TimerChange()
{
cMutexLock lock(&m_msgLock);
if (m_StatusInterfaceEnabled)
{
INFOLOG("Sending timer change request to client #%i ...", m_Id);
MsgPacket* resp = new MsgPacket(XVDR_STATUS_TIMERCHANGE, XVDR_CHANNEL_STATUS);
QueueMessage(resp);
}
}
void cXVDRClient::ChannelsChanged()
{
cMutexLock lock(&m_msgLock);
if(!m_StatusInterfaceEnabled)
return;
int count = ChannelsCount();
if (m_channelCount == count)
{
INFOLOG("Client %i: %i channels, no change", m_Id, count);
return;
}
if (m_channelCount == 0)
INFOLOG("Client %i: no channels - sending request", m_Id);
else
INFOLOG("Client %i : %i channels, %i available - sending request", m_Id, m_channelCount, count);
MsgPacket* resp = new MsgPacket(XVDR_STATUS_CHANNELCHANGE, XVDR_CHANNEL_STATUS);
QueueMessage(resp);
}
void cXVDRClient::RecordingsChange()
{
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return;
MsgPacket* resp = new MsgPacket(XVDR_STATUS_RECORDINGSCHANGE, XVDR_CHANNEL_STATUS);
QueueMessage(resp);
}
void cXVDRClient::Recording(const cDevice *Device, const char *Name, const char *FileName, bool On)
{
cMutexLock lock(&m_msgLock);
if (m_StatusInterfaceEnabled)
{
MsgPacket* resp = new MsgPacket(XVDR_STATUS_RECORDING, XVDR_CHANNEL_STATUS);
resp->put_U32(Device->CardIndex());
resp->put_U32(On);
if (Name)
resp->put_String(Name);
else
resp->put_String("");
if (FileName)
resp->put_String(FileName);
else
resp->put_String("");
QueueMessage(resp);
}
}
void cXVDRClient::OsdStatusMessage(const char *Message)
{
cMutexLock lock(&m_msgLock);
if (m_StatusInterfaceEnabled && Message)
{
/* Ignore this messages */
if (strcasecmp(Message, trVDR("Channel not available!")) == 0) return;
else if (strcasecmp(Message, trVDR("Delete timer?")) == 0) return;
else if (strcasecmp(Message, trVDR("Delete recording?")) == 0) return;
else if (strcasecmp(Message, trVDR("Press any key to cancel shutdown")) == 0) return;
else if (strcasecmp(Message, trVDR("Press any key to cancel restart")) == 0) return;
else if (strcasecmp(Message, trVDR("Editing - shut down anyway?")) == 0) return;
else if (strcasecmp(Message, trVDR("Recording - shut down anyway?")) == 0) return;
else if (strcasecmp(Message, trVDR("shut down anyway?")) == 0) return;
else if (strcasecmp(Message, trVDR("Recording - restart anyway?")) == 0) return;
else if (strcasecmp(Message, trVDR("Editing - restart anyway?")) == 0) return;
else if (strcasecmp(Message, trVDR("Delete channel?")) == 0) return;
else if (strcasecmp(Message, trVDR("Timer still recording - really delete?")) == 0) return;
else if (strcasecmp(Message, trVDR("Delete marks information?")) == 0) return;
else if (strcasecmp(Message, trVDR("Delete resume information?")) == 0) return;
else if (strcasecmp(Message, trVDR("CAM is in use - really reset?")) == 0) return;
else if (strcasecmp(Message, trVDR("Really restart?")) == 0) return;
else if (strcasecmp(Message, trVDR("Stop recording?")) == 0) return;
else if (strcasecmp(Message, trVDR("Cancel editing?")) == 0) return;
else if (strcasecmp(Message, trVDR("Cutter already running - Add to cutting queue?")) == 0) return;
else if (strcasecmp(Message, trVDR("No index-file found. Creating may take minutes. Create one?")) == 0) return;
MsgPacket* resp = new MsgPacket(XVDR_STATUS_MESSAGE, XVDR_CHANNEL_STATUS);
resp->put_U32(0);
resp->put_String(Message);
QueueMessage(resp);
}
}
bool cXVDRClient::IsChannelWanted(cChannel* channel, bool radio)
{
// dismiss invalid channels
if(channel == NULL)
return false;
// right type ?
if (radio != IsRadio(channel))
return false;
// skip channels witout SID
if (channel->Sid() == 0)
return false;
if (strcmp(channel->Name(), ".") == 0)
return false;
// check language
if(m_filterlanguage && m_LanguageIndex != -1)
{
bool bLanguageFound = false;
const char* lang = NULL;
// check MP2 languages
for(int i = 0; i < MAXAPIDS; i++) {
lang = channel->Alang(i);
if(lang == NULL)
break;
if(m_LanguageIndex == I18nLanguageIndex(lang))
{
bLanguageFound = true;
break;
}
}
// check other digital languages
for(int i = 0; i < MAXDPIDS; i++) {
lang = channel->Dlang(i);
if(lang == NULL)
break;
if(m_LanguageIndex == I18nLanguageIndex(lang))
{
bLanguageFound = true;
break;
}
}
if(!bLanguageFound)
return false;
}
// user selection for FTA channels
if(channel->Ca(0) == 0)
return m_wantfta;
// we want all encrypted channels if there isn't any CaID filter
if(m_caids.size() == 0)
return true;
// check if we have a matching CaID
for(std::list<int>::iterator i = m_caids.begin(); i != m_caids.end(); i++)
{
for(int j = 0; j < MAXCAIDS; j++) {
if(channel->Ca(j) == 0)
break;
if(channel->Ca(j) == *i)
return true;
}
}
return false;
}
bool cXVDRClient::processRequest()
{
cMutexLock lock(&m_msgLock);
m_resp = new MsgPacket(m_req->getMsgID(), XVDR_CHANNEL_REQUEST_RESPONSE, m_req->getUID());
m_resp->setProtocolVersion(XVDR_PROTOCOLVERSION);
bool result = false;
switch(m_req->getMsgID())
{
/** OPCODE 1 - 19: XVDR network functions for general purpose */
case XVDR_LOGIN:
result = process_Login();
break;
case XVDR_GETTIME:
result = process_GetTime();
break;
case XVDR_ENABLESTATUSINTERFACE:
result = process_EnableStatusInterface();
break;
case XVDR_UPDATECHANNELS:
result = process_UpdateChannels();
break;
case XVDR_CHANNELFILTER:
result = process_ChannelFilter();
break;
/** OPCODE 20 - 39: XVDR network functions for live streaming */
case XVDR_CHANNELSTREAM_OPEN:
result = processChannelStream_Open();
break;
case XVDR_CHANNELSTREAM_CLOSE:
result = processChannelStream_Close();
break;
case XVDR_CHANNELSTREAM_REQUEST:
result = processChannelStream_Request();
break;
case XVDR_CHANNELSTREAM_PAUSE:
result = processChannelStream_Pause();
break;
case XVDR_CHANNELSTREAM_SIGNAL:
result = processChannelStream_Signal();
break;
/** OPCODE 40 - 59: XVDR network functions for recording streaming */
case XVDR_RECSTREAM_OPEN:
result = processRecStream_Open();
break;
case XVDR_RECSTREAM_CLOSE:
result = processRecStream_Close();
break;
case XVDR_RECSTREAM_GETBLOCK:
result = processRecStream_GetBlock();
break;
case XVDR_RECSTREAM_UPDATE:
result = processRecStream_Update();
break;
/** OPCODE 60 - 79: XVDR network functions for channel access */
case XVDR_CHANNELS_GETCOUNT:
result = processCHANNELS_ChannelsCount();
break;
case XVDR_CHANNELS_GETCHANNELS:
result = processCHANNELS_GetChannels();
break;
case XVDR_CHANNELGROUP_GETCOUNT:
result = processCHANNELS_GroupsCount();
break;
case XVDR_CHANNELGROUP_LIST:
result = processCHANNELS_GroupList();
break;
case XVDR_CHANNELGROUP_MEMBERS:
result = processCHANNELS_GetGroupMembers();
break;
/** OPCODE 80 - 99: XVDR network functions for timer access */
case XVDR_TIMER_GETCOUNT:
result = processTIMER_GetCount();
break;
case XVDR_TIMER_GET:
result = processTIMER_Get();
break;
case XVDR_TIMER_GETLIST:
result = processTIMER_GetList();
break;
case XVDR_TIMER_ADD:
result = processTIMER_Add();
break;
case XVDR_TIMER_DELETE:
result = processTIMER_Delete();
break;
case XVDR_TIMER_UPDATE:
result = processTIMER_Update();
break;
/** OPCODE 100 - 119: XVDR network functions for recording access */
case XVDR_RECORDINGS_DISKSIZE:
result = processRECORDINGS_GetDiskSpace();
break;
case XVDR_RECORDINGS_GETCOUNT:
result = processRECORDINGS_GetCount();
break;
case XVDR_RECORDINGS_GETLIST:
result = processRECORDINGS_GetList();
break;
case XVDR_RECORDINGS_RENAME:
result = processRECORDINGS_Rename();
break;
case XVDR_RECORDINGS_DELETE:
result = processRECORDINGS_Delete();
break;
case XVDR_RECORDINGS_SETPLAYCOUNT:
result = processRECORDINGS_SetPlayCount();
break;
case XVDR_RECORDINGS_SETPOSITION:
result = processRECORDINGS_SetPosition();
break;
case XVDR_RECORDINGS_GETPOSITION:
result = processRECORDINGS_GetPosition();
break;
case XVDR_RECORDINGS_GETMARKS:
result = processRECORDINGS_GetMarks();
break;
/** OPCODE 120 - 139: XVDR network functions for epg access and manipulating */
case XVDR_EPG_GETFORCHANNEL:
result = processEPG_GetForChannel();
break;
/** OPCODE 140 - 159: XVDR network functions for channel scanning */
case XVDR_SCAN_SUPPORTED:
result = processSCAN_ScanSupported();
break;
case XVDR_SCAN_GETSETUP:
result = processSCAN_GetSetup();
break;
case XVDR_SCAN_SETSETUP:
result = processSCAN_SetSetup();
break;
case XVDR_SCAN_START:
result = processSCAN_Start();
break;
case XVDR_SCAN_STOP:
result = processSCAN_Stop();
break;
case XVDR_SCAN_GETSTATUS:
result = processSCAN_GetStatus();
break;
default:
break;
}
if(result)
{
QueueMessage(m_resp);
}
m_resp = NULL;
return result;
}
/** OPCODE 1 - 19: XVDR network functions for general purpose */
bool cXVDRClient::process_Login() /* OPCODE 1 */
{
m_protocolVersion = m_req->getProtocolVersion();
m_compressionLevel = m_req->get_U8();
m_clientName = m_req->get_String();
const char *language = NULL;
// get preferred language
if(!m_req->eop())
{
language = m_req->get_String();
m_LanguageIndex = I18nLanguageIndex(language);
m_LangStreamType = (cStreamInfo::Type)m_req->get_U8();
}
if (m_protocolVersion > XVDR_PROTOCOLVERSION || m_protocolVersion < 4)
{
ERRORLOG("Client '%s' has unsupported protocol version '%u', terminating client", m_clientName.c_str(), m_protocolVersion);
return false;
}
INFOLOG("Welcome client '%s' with protocol version '%u'", m_clientName.c_str(), m_protocolVersion);
if(!m_LanguageIndex != -1) {
INFOLOG("Preferred language: %s / type: %i", I18nLanguageCode(m_LanguageIndex), (int)m_LangStreamType);
}
// Send the login reply
time_t timeNow = time(NULL);
struct tm* timeStruct = localtime(&timeNow);
int timeOffset = timeStruct->tm_gmtoff;
m_resp->setProtocolVersion(m_protocolVersion);
m_resp->put_U32(timeNow);
m_resp->put_S32(timeOffset);
m_resp->put_String("VDR-XVDR Server");
m_resp->put_String(XVDR_VERSION);
SetLoggedIn(true);
return true;
}
bool cXVDRClient::process_GetTime() /* OPCODE 2 */
{
time_t timeNow = time(NULL);
struct tm* timeStruct = localtime(&timeNow);
int timeOffset = timeStruct->tm_gmtoff;
m_resp->put_U32(timeNow);
m_resp->put_S32(timeOffset);
return true;
}
bool cXVDRClient::process_EnableStatusInterface()
{
bool enabled = m_req->get_U8();
SetStatusInterface(enabled);
m_resp->put_U32(XVDR_RET_OK);
return true;
}
bool cXVDRClient::process_UpdateChannels()
{
uint8_t updatechannels = m_req->get_U8();
if(updatechannels <= 5)
{
Setup.UpdateChannels = updatechannels;
INFOLOG("Setting channel update method: %i", updatechannels);
m_resp->put_U32(XVDR_RET_OK);
}
else
m_resp->put_U32(XVDR_RET_DATAINVALID);
return true;
}
bool cXVDRClient::process_ChannelFilter()
{
INFOLOG("Channellist filter:");
// do we want fta channels ?
m_wantfta = m_req->get_U32();
INFOLOG("Free To Air channels: %s", m_wantfta ? "Yes" : "No");
// display only channels with native language audio ?
m_filterlanguage = m_req->get_U32();
INFOLOG("Only native language: %s", m_filterlanguage ? "Yes" : "No");
// read caids
m_caids.clear();
uint32_t count = m_req->get_U32();
INFOLOG("Enabled CaIDs: ");
// sanity check (maximum of 20 caids)
if(count < 20) {
for(uint32_t i = 0; i < count; i++) {
int caid = m_req->get_U32();
m_caids.push_back(caid);
INFOLOG("%04X", caid);
}
}
m_resp->put_U32(XVDR_RET_OK);
return true;
}
/** OPCODE 20 - 39: XVDR network functions for live streaming */
bool cXVDRClient::processChannelStream_Open() /* OPCODE 20 */
{
cMutexLock lock(&m_timerLock);
// only root may change the priority
if(geteuid() == 0) {
SetPriority(-15);
}
uint32_t uid = m_req->get_U32();
int32_t priority = 50;
bool waitforiframe = false;
if(!m_req->eop()) {
priority = m_req->get_S32();
}
if(!m_req->eop()) {
waitforiframe = m_req->get_U8();
}
uint32_t timeout = XVDRServerConfig.stream_timeout;
StopChannelStreaming();
XVDRChannels.Lock(false);
const cChannel *channel = NULL;
// try to find channel by uid first
channel = FindChannelByUID(uid);
// try channelnumber
if (channel == NULL)
channel = XVDRChannels.Get()->GetByNumber(uid);
XVDRChannels.Unlock();
if (channel == NULL) {
ERRORLOG("Can't find channel %08x", uid);
m_resp->put_U32(XVDR_RET_DATAINVALID);
}
else
{
int status = StartChannelStreaming(channel, timeout, priority, waitforiframe);
if (status == XVDR_RET_OK)
INFOLOG("Started streaming of channel %s (timeout %i seconds, priority %i)", channel->Name(), timeout, priority);
else
DEBUGLOG("Can't stream channel %s", channel->Name());
m_resp->put_U32(status);
}
return true;
}
bool cXVDRClient::processChannelStream_Close() /* OPCODE 21 */
{
StopChannelStreaming();
return true;
}
bool cXVDRClient::processChannelStream_Request() /* OPCODE 22 */
{
if(m_Streamer != NULL)
m_Streamer->RequestPacket();
// no response needed for the request
return false;
}
bool cXVDRClient::processChannelStream_Pause() /* OPCODE 23 */
{
bool on = m_req->get_U32();
INFOLOG("LIVESTREAM: %s", on ? "PAUSED" : "TIMESHIFT");
m_Streamer->Pause(on);
return true;
}
bool cXVDRClient::processChannelStream_Signal() /* OPCODE 24 */
{
if(m_Streamer == NULL)
return false;
m_Streamer->RequestSignalInfo();
return false;
}
/** OPCODE 40 - 59: XVDR network functions for recording streaming */
bool cXVDRClient::processRecStream_Open() /* OPCODE 40 */
{
cRecording *recording = NULL;
// only root may change the priority
if(geteuid() == 0) {
SetPriority(-15);
}
const char* recid = m_req->get_String();
unsigned int uid = recid2uid(recid);
DEBUGLOG("lookup recid: %s (uid: %u)", recid, uid);
recording = cRecordingsCache::GetInstance().Lookup(uid);
if (recording && m_RecPlayer == NULL)
{
m_RecPlayer = new cRecPlayer(recording);
m_resp->put_U32(XVDR_RET_OK);
m_resp->put_U32(0);
m_resp->put_U64(m_RecPlayer->getLengthBytes());
#if VDRVERSNUM < 10703
m_resp->put_U8(true);//added for TS
#else
m_resp->put_U8(recording->IsPesRecording());//added for TS
#endif
}
else
{
m_resp->put_U32(XVDR_RET_DATAUNKNOWN);
ERRORLOG("%s - unable to start recording !", __FUNCTION__);
}
return true;
}
bool cXVDRClient::processRecStream_Close() /* OPCODE 41 */
{
if (m_RecPlayer)
{
delete m_RecPlayer;
m_RecPlayer = NULL;
}
m_resp->put_U32(XVDR_RET_OK);
return true;
}
bool cXVDRClient::processRecStream_Update() /* OPCODE 46 */
{
if(m_RecPlayer == NULL)
return false;
m_RecPlayer->update();
m_resp->put_U32(0);
m_resp->put_U64(m_RecPlayer->getLengthBytes());
return true;
}
bool cXVDRClient::processRecStream_GetBlock() /* OPCODE 42 */
{
if (!m_RecPlayer)
{
ERRORLOG("Get block called when no recording open");
return false;
}
uint64_t position = m_req->get_U64();
uint32_t amount = m_req->get_U32();
uint8_t* p = m_resp->reserve(amount);
uint32_t amountReceived = m_RecPlayer->getBlock(p, position, amount);
// smaller chunk ?
if(amountReceived < amount)
m_resp->unreserve(amount - amountReceived);
return true;
}
int cXVDRClient::ChannelsCount()
{
XVDRChannels.Lock(false);
cChannels *channels = XVDRChannels.Get();
int count = 0;
for (cChannel *channel = channels->First(); channel; channel = channels->Next(channel))
{
if(IsChannelWanted(channel, false)) count++;
if(IsChannelWanted(channel, true)) count++;
}
XVDRChannels.Unlock();
return count;
}
/** OPCODE 60 - 79: XVDR network functions for channel access */
bool cXVDRClient::processCHANNELS_ChannelsCount() /* OPCODE 61 */
{
m_channelCount = ChannelsCount();
m_resp->put_U32(m_channelCount);
return true;
}
bool cXVDRClient::processCHANNELS_GetChannels() /* OPCODE 63 */
{
bool radio = m_req->get_U32();
m_channelCount = ChannelsCount();
if(!XVDRChannels.Lock(false)) {
return true;
}
cChannels *channels = XVDRChannels.Get();
for (cChannel *channel = channels->First(); channel; channel = channels->Next(channel))
{
if(!IsChannelWanted(channel, radio))
continue;
m_resp->put_U32(channel->Number());
m_resp->put_String(m_toUTF8.Convert(channel->Name()));
m_resp->put_U32(CreateChannelUID(channel));
m_resp->put_U32(channel->Ca());
// logo url
m_resp->put_String((const char*)CreateLogoURL(channel));