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vnsiclient.c
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/*
* vdr-plugin-vnsi - KODI server plugin for VDR
*
* Copyright (C) 2010 Alwin Esch (Team XBMC)
* Copyright (C) 2010, 2011 Alexander Pipelka
* Copyright (C) 2015 Team KODI
*
* http://kodi.tv
*
* 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 KODI; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "vnsiclient.h"
#include "vnsi.h"
#include "config.h"
#include "vnsicommand.h"
#include "recordingscache.h"
#include "streamer.h"
#include "vnsiserver.h"
#include "recplayer.h"
#include "vnsiosd.h"
#include "requestpacket.h"
#include "responsepacket.h"
#include "hash.h"
#include "channelfilter.h"
#include "channelscancontrol.h"
#include <sys/types.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <map>
#include <memory>
#include <string>
#include <vdr/recording.h>
#include <vdr/channels.h>
#include <vdr/videodir.h>
#include <vdr/plugin.h>
#include <vdr/timers.h>
#include <vdr/menu.h>
#include <vdr/device.h>
cMutex cVNSIClient::m_timerLock;
bool cVNSIClient::m_inhibidDataUpdates = false;
cVNSIClient::cVNSIClient(int fd, unsigned int id, const char *ClientAdr, CVNSITimers &timers)
: m_Id(id),
m_socket(fd),
m_ClientAddress(ClientAdr),
m_ChannelScanControl(this),
m_vnsiTimers(timers)
{
SetDescription("VNSI Client %u->%s", id, ClientAdr);
m_StatusInterfaceEnabled = false;
Start();
}
cVNSIClient::~cVNSIClient()
{
DEBUGLOG("%s", __FUNCTION__);
StopChannelStreaming();
m_ChannelScanControl.StopScan();
m_socket.Shutdown();
Cancel(10);
DEBUGLOG("done");
}
void cVNSIClient::Action(void)
{
uint32_t channelID;
uint32_t requestID;
uint32_t opcode;
uint32_t dataLength;
uint8_t* data;
while (Running())
{
if (!m_socket.read((uint8_t*)&channelID, sizeof(uint32_t)))
break;
channelID = ntohl(channelID);
if (channelID == 1)
{
if (!m_socket.read((uint8_t*)&requestID, sizeof(uint32_t), 10000))
break;
requestID = ntohl(requestID);
if (!m_socket.read((uint8_t*)&opcode, sizeof(uint32_t), 10000))
break;
opcode = ntohl(opcode);
if (!m_socket.read((uint8_t*)&dataLength, sizeof(uint32_t), 10000))
break;
dataLength = ntohl(dataLength);
if (dataLength > 200000) // a random sanity limit
{
ERRORLOG("dataLength > 200000!");
break;
}
if (dataLength)
{
try
{
data = new uint8_t[dataLength];
}
catch (const std::bad_alloc &)
{
ERRORLOG("Extra data buffer malloc error");
break;
}
if (!m_socket.read(data, dataLength, 10000))
{
ERRORLOG("Could not read data");
free(data);
break;
}
}
else
{
data = NULL;
}
DEBUGLOG("Received chan=%u, ser=%u, op=%u, edl=%u", channelID, requestID, opcode, dataLength);
if (!m_loggedIn && (opcode != VNSI_LOGIN))
{
ERRORLOG("Clients must be logged in before sending commands! Aborting.");
if (data)
free(data);
break;
}
if (opcode == VNSI_INVALIDATESOCKET)
{
cRequestPacket req(requestID, opcode, data, dataLength);
process_InvalidateSocket(req);
break;
}
try
{
cRequestPacket req(requestID, opcode, data, dataLength);
processRequest(req);
}
catch (const std::exception &e)
{
ERRORLOG("%s", e.what());
break;
}
}
else
{
ERRORLOG("Incoming channel number unknown");
break;
}
}
// If thread is ended due to closed connection delete a
// possible running stream here
StopChannelStreaming();
m_ChannelScanControl.StopScan();
// Shutdown OSD
delete m_Osd;
m_Osd = NULL;
}
bool cVNSIClient::StartChannelStreaming(cResponsePacket &resp, const cChannel *channel, int32_t priority, uint8_t timeshift, uint32_t timeout)
{
delete m_Streamer;
m_Streamer = new cLiveStreamer(m_Id, m_bSupportRDS, m_protocolVersion, timeshift, timeout);
m_isStreaming = m_Streamer->StreamChannel(channel, priority, &m_socket, &resp);
return m_isStreaming;
}
void cVNSIClient::StopChannelStreaming()
{
m_isStreaming = false;
delete m_Streamer;
m_Streamer = NULL;
}
void cVNSIClient::SignalTimerChange()
{
cMutexLock lock(&m_msgLock);
if (m_StatusInterfaceEnabled)
{
cResponsePacket resp;
resp.initStatus(VNSI_STATUS_TIMERCHANGE);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
}
}
void cVNSIClient::ChannelsChange()
{
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return;
cResponsePacket resp;
resp.initStatus(VNSI_STATUS_CHANNELCHANGE);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
}
void cVNSIClient::RecordingsChange()
{
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return;
cResponsePacket resp;
resp.initStatus(VNSI_STATUS_RECORDINGSCHANGE);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
}
int cVNSIClient::EpgChange()
{
int callAgain = 0;
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return callAgain;
#if VDRVERSNUM >= 20301
LOCK_CHANNELS_READ;
cStateKey SchedulesStateKey(true);
const cSchedules *schedules = cSchedules::GetSchedulesRead(SchedulesStateKey);
if (!schedules)
{
return callAgain;
}
#else
cSchedulesLock MutexLock;
const cSchedules *schedules = cSchedules::Schedules(MutexLock);
if (!schedules)
return callAgain;
#endif
for (const cSchedule *schedule = schedules->First(); schedule; schedule = schedules->Next(schedule))
{
const cEvent *lastEvent = schedule->Events()->Last();
if (!lastEvent)
continue;
#if VDRVERSNUM >= 20301
const cChannel *channel = Channels->GetByChannelID(schedule->ChannelID());
#else
Channels.Lock(false);
const cChannel *channel = Channels.GetByChannelID(schedule->ChannelID());
Channels.Unlock();
#endif
if (!channel)
continue;
if (!VNSIChannelFilter.PassFilter(*channel))
continue;
uint32_t channelId = CreateStringHash(schedule->ChannelID().ToString());
auto it = m_epgUpdate.find(channelId);
if (it == m_epgUpdate.end() || it->second.attempts > 3 ||
it->second.lastEvent >= lastEvent->StartTime())
{
continue;
}
time_t now = time(nullptr);
if ((now - it->second.lastTrigger) < 5)
{
callAgain = VNSI_EPG_PAUSE;
continue;
}
it->second.attempts++;
it->second.lastTrigger = now;
DEBUGLOG("Trigger EPG update for channel %s, id: %d", channel->Name(), channelId);
cResponsePacket resp;
resp.initStatus(VNSI_STATUS_EPGCHANGE);
resp.add_U32(channelId);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
callAgain = VNSI_EPG_AGAIN;
break;
}
#if VDRVERSNUM >= 20301
SchedulesStateKey.Remove();
#endif
return callAgain;
}
void cVNSIClient::Recording(const cDevice *Device, const char *Name, const char *FileName, bool On)
{
if (m_StatusInterfaceEnabled)
{
cResponsePacket resp;
resp.initStatus(VNSI_STATUS_RECORDING);
resp.add_U32(Device->CardIndex());
resp.add_U32(On);
if (Name)
resp.add_String(Name);
else
resp.add_String("");
if (FileName)
resp.add_String(FileName);
else
resp.add_String("");
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
}
}
void cVNSIClient::OsdStatusMessage(const char *Message)
{
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("CAM activated!")) == 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;
else if (strcasecmp(Message, trVDR("Low disk space!")) == 0) return;
else if (strncmp(Message, trVDR("VDR will shut down in"), 21) == 0) return;
cResponsePacket resp;
resp.initStatus(VNSI_STATUS_MESSAGE);
resp.add_U32(0);
resp.add_String(Message);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
}
}
#if VDRVERSNUM >= 20104
void cVNSIClient::ChannelChange(const cChannel *Channel)
{
cMutexLock lock(&m_msgLock);
if (m_isStreaming && m_Streamer)
{
m_Streamer->RetuneChannel(Channel);
}
}
#endif
bool cVNSIClient::processRequest(cRequestPacket &req)
{
cMutexLock lock(&m_msgLock);
bool result = false;
switch(req.getOpCode())
{
/** OPCODE 1 - 19: VNSI network functions for general purpose */
case VNSI_LOGIN:
result = process_Login(req);
break;
case VNSI_GETTIME:
result = process_GetTime(req);
break;
case VNSI_ENABLESTATUSINTERFACE:
result = process_EnableStatusInterface(req);
break;
case VNSI_PING:
result = process_Ping(req);
break;
case VNSI_GETSETUP:
result = process_GetSetup(req);
break;
case VNSI_STORESETUP:
result = process_StoreSetup(req);
break;
case VNSI_GETSOCKET:
result = process_GetSocket(req);
break;
/** OPCODE 20 - 39: VNSI network functions for live streaming */
case VNSI_CHANNELSTREAM_OPEN:
result = processChannelStream_Open(req);
break;
case VNSI_CHANNELSTREAM_CLOSE:
result = processChannelStream_Close(req);
break;
case VNSI_CHANNELSTREAM_SEEK:
result = processChannelStream_Seek(req);
break;
case VNSI_CHANNELSTREAM_STATUS_SOCKET:
result = processChannelStream_StatusSocket(req);
break;
case VNSI_CHANNELSTREAM_STATUS_REQUEST:
result = processChannelStream_StatusRequest(req);
break;
/** OPCODE 40 - 59: VNSI network functions for recording streaming */
case VNSI_RECSTREAM_OPEN:
result = processRecStream_Open(req);
break;
case VNSI_RECSTREAM_CLOSE:
result = processRecStream_Close(req);
break;
case VNSI_RECSTREAM_GETBLOCK:
result = processRecStream_GetBlock(req);
break;
case VNSI_RECSTREAM_POSTOFRAME:
result = processRecStream_PositionFromFrameNumber(req);
break;
case VNSI_RECSTREAM_FRAMETOPOS:
result = processRecStream_FrameNumberFromPosition(req);
break;
case VNSI_RECSTREAM_GETIFRAME:
result = processRecStream_GetIFrame(req);
break;
case VNSI_RECSTREAM_GETLENGTH:
result = processRecStream_GetLength(req);
break;
/** OPCODE 60 - 79: VNSI network functions for channel access */
case VNSI_CHANNELS_GETCOUNT:
result = processCHANNELS_ChannelsCount(req);
break;
case VNSI_CHANNELS_GETCHANNELS:
result = processCHANNELS_GetChannels(req);
break;
case VNSI_CHANNELGROUP_GETCOUNT:
result = processCHANNELS_GroupsCount(req);
break;
case VNSI_CHANNELGROUP_LIST:
result = processCHANNELS_GroupList(req);
break;
case VNSI_CHANNELGROUP_MEMBERS:
result = processCHANNELS_GetGroupMembers(req);
break;
case VNSI_CHANNELS_GETCAIDS:
result = processCHANNELS_GetCaids(req);
break;
case VNSI_CHANNELS_GETWHITELIST:
result = processCHANNELS_GetWhitelist(req);
break;
case VNSI_CHANNELS_GETBLACKLIST:
result = processCHANNELS_GetBlacklist(req);
break;
case VNSI_CHANNELS_SETWHITELIST:
result = processCHANNELS_SetWhitelist(req);
break;
case VNSI_CHANNELS_SETBLACKLIST:
result = processCHANNELS_SetBlacklist(req);
break;
/** OPCODE 80 - 99: VNSI network functions for timer access */
case VNSI_TIMER_GETCOUNT:
result = processTIMER_GetCount(req);
break;
case VNSI_TIMER_GET:
result = processTIMER_Get(req);
break;
case VNSI_TIMER_GETLIST:
result = processTIMER_GetList(req);
break;
case VNSI_TIMER_ADD:
result = processTIMER_Add(req);
break;
case VNSI_TIMER_DELETE:
result = processTIMER_Delete(req);
break;
case VNSI_TIMER_UPDATE:
result = processTIMER_Update(req);
break;
case VNSI_TIMER_GETTYPES:
result = processTIMER_GetTypes(req);
break;
/** OPCODE 100 - 119: VNSI network functions for recording access */
case VNSI_RECORDINGS_DISKSIZE:
result = processRECORDINGS_GetDiskSpace(req);
break;
case VNSI_RECORDINGS_GETCOUNT:
result = processRECORDINGS_GetCount(req);
break;
case VNSI_RECORDINGS_GETLIST:
result = processRECORDINGS_GetList(req);
break;
case VNSI_RECORDINGS_RENAME:
result = processRECORDINGS_Rename(req);
break;
case VNSI_RECORDINGS_DELETE:
result = processRECORDINGS_Delete(req);
break;
case VNSI_RECORDINGS_GETEDL:
result = processRECORDINGS_GetEdl(req);
break;
/** OPCODE 120 - 139: VNSI network functions for epg access and manipulating */
case VNSI_EPG_GETFORCHANNEL:
result = processEPG_GetForChannel(req);
break;
/** OPCODE 140 - 159: VNSI network functions for channel scanning */
case VNSI_SCAN_SUPPORTED:
result = processSCAN_ScanSupported(req);
break;
case VNSI_SCAN_GETCOUNTRIES:
result = processSCAN_GetCountries(req);
break;
case VNSI_SCAN_GETSATELLITES:
result = processSCAN_GetSatellites(req);
break;
case VNSI_SCAN_START:
result = processSCAN_Start(req);
break;
case VNSI_SCAN_STOP:
result = processSCAN_Stop(req);
break;
case VNSI_SCAN_SUPPORTED_TYPES:
result = processSCAN_GetSupportedTypes(req);
break;
/** OPCODE 160 - 179: VNSI network functions for OSD */
case VNSI_OSD_CONNECT:
result = processOSD_Connect(req);
break;
case VNSI_OSD_DISCONNECT:
result = processOSD_Disconnect();
break;
case VNSI_OSD_HITKEY:
result = processOSD_Hitkey(req);
break;
/** OPCODE 180 - 189: VNSI network functions for deleted recording access */
case VNSI_RECORDINGS_DELETED_ACCESS_SUPPORTED:
result = processRECORDINGS_DELETED_Supported(req);
break;
case VNSI_RECORDINGS_DELETED_GETCOUNT:
result = processRECORDINGS_DELETED_GetCount(req);
break;
case VNSI_RECORDINGS_DELETED_GETLIST:
result = processRECORDINGS_DELETED_GetList(req);
break;
case VNSI_RECORDINGS_DELETED_DELETE:
result = processRECORDINGS_DELETED_Delete(req);
break;
case VNSI_RECORDINGS_DELETED_UNDELETE:
result = processRECORDINGS_DELETED_Undelete(req);
break;
case VNSI_RECORDINGS_DELETED_DELETE_ALL:
result = processRECORDINGS_DELETED_DeleteAll(req);
break;
}
return result;
}
/** OPCODE 1 - 19: VNSI network functions for general purpose */
bool cVNSIClient::process_Login(cRequestPacket &req) /* OPCODE 1 */
{
if (req.getDataLength() <= 4) return false;
m_protocolVersion = req.extract_U32();
req.extract_U8();
const char *clientName = req.extract_String();
INFOLOG("Welcome client '%s' with protocol version '%u'", clientName, m_protocolVersion);
// Send the login reply
time_t timeNow = time(NULL);
struct tm* timeStruct = localtime(&timeNow);
int timeOffset = timeStruct->tm_gmtoff;
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(VNSI_PROTOCOLVERSION);
resp.add_U32(timeNow);
resp.add_S32(timeOffset);
resp.add_String("VDR-Network-Streaming-Interface (VNSI) Server");
resp.add_String(VNSI_SERVER_VERSION);
resp.finalise();
if (m_protocolVersion < VNSI_MIN_PROTOCOLVERSION)
ERRORLOG("Client '%s' have a not allowed protocol version '%u', terminating client", clientName, m_protocolVersion);
else
SetLoggedIn(true);
if (m_protocolVersion < VNSI_RDS_PROTOCOLVERSION)
{
INFOLOG("RDS not supported on client '%s' and stream type disabled", clientName);
m_bSupportRDS = false;
}
else
{
m_bSupportRDS = true;
}
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_GetTime(cRequestPacket &req) /* OPCODE 2 */
{
time_t timeNow = time(NULL);
struct tm* timeStruct = localtime(&timeNow);
int timeOffset = timeStruct->tm_gmtoff;
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(timeNow);
resp.add_S32(timeOffset);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_EnableStatusInterface(cRequestPacket &req)
{
bool enabled = req.extract_U8();
SetStatusInterface(enabled);
SetPriority(1);
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(VNSI_RET_OK);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_Ping(cRequestPacket &req) /* OPCODE 7 */
{
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(1);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_GetSetup(cRequestPacket &req) /* OPCODE 8 */
{
cResponsePacket resp;
resp.init(req.getRequestID());
char* name = req.extract_String();
if (!strcasecmp(name, CONFNAME_PMTTIMEOUT))
resp.add_U32(PmtTimeout);
else if (!strcasecmp(name, CONFNAME_TIMESHIFT))
resp.add_U32(TimeshiftMode);
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERSIZE))
resp.add_U32(TimeshiftBufferSize);
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERFILESIZE))
resp.add_U32(TimeshiftBufferFileSize);
else if (!strcasecmp(name, CONFNAME_EDL))
resp.add_U32(EdlMode);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_StoreSetup(cRequestPacket &req) /* OPCODE 9 */
{
char* name = req.extract_String();
if (!strcasecmp(name, CONFNAME_PMTTIMEOUT))
{
int value = req.extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_PMTTIMEOUT, value);
}
else if (!strcasecmp(name, CONFNAME_TIMESHIFT))
{
int value = req.extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_TIMESHIFT, value);
}
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERSIZE))
{
int value = req.extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_TIMESHIFTBUFFERSIZE, value);
}
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERFILESIZE))
{
int value = req.extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_TIMESHIFTBUFFERFILESIZE, value);
}
else if (!strcasecmp(name, CONFNAME_PLAYRECORDING))
{
int value = req.extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_PLAYRECORDING, value);
}
else if (!strcasecmp(name, CONFNAME_EDL))
{
int value = req.extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_EDL, value);
}
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(VNSI_RET_OK);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_GetSocket(cRequestPacket &req) /* OPCODE 10 */
{
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_S32(m_socket.GetHandle());
resp.add_U32(VNSI_RET_OK);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::process_InvalidateSocket(cRequestPacket &req) /* OPCODE 11 */
{
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(VNSI_RET_OK);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
m_socket.Invalidate();
return true;
}
/** OPCODE 20 - 39: VNSI network functions for live streaming */
bool cVNSIClient::processChannelStream_Open(cRequestPacket &req) /* OPCODE 20 */
{
uint32_t uid = req.extract_U32();
int32_t priority = req.extract_S32();
uint8_t timeshift = req.extract_U8();
uint32_t timeout = req.end()
? VNSIServerConfig.stream_timeout
: req.extract_U32();
if (m_isStreaming)
StopChannelStreaming();
const cChannel *channel = FindChannelByUID(uid);
// try channelnumber
if (channel == NULL)
{
#if VDRVERSNUM >= 20301
LOCK_CHANNELS_READ;
channel = Channels->GetByNumber(uid);
#else
channel = Channels.GetByNumber(uid);
#endif
}
cResponsePacket resp;
resp.init(req.getRequestID());
if (channel == NULL) {
ERRORLOG("Can't find channel %08x", uid);
resp.add_U32(VNSI_RET_DATAINVALID);
}
else
{
if (StartChannelStreaming(resp, channel, priority, timeshift, timeout))
{
INFOLOG("Started streaming of channel %s (timeout %i seconds)", channel->Name(), timeout);
// return here without sending the response
// (was already done in cLiveStreamer::StreamChannel)
return true;
}
DEBUGLOG("Can't stream channel %s", channel->Name());
resp.add_U32(VNSI_RET_DATALOCKED);
}
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return false;
}
bool cVNSIClient::processChannelStream_Close(cRequestPacket &req) /* OPCODE 21 */
{
if (m_isStreaming)
StopChannelStreaming();
cResponsePacket resp;
resp.init(req.getRequestID());
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::processChannelStream_Seek(cRequestPacket &req) /* OPCODE 22 */
{
cResponsePacket resp;
resp.init(req.getRequestID());
uint32_t serial = 0;
if (m_isStreaming && m_Streamer)
{
int64_t time = req.extract_S64();
if (m_Streamer->SeekTime(time, serial))
resp.add_U32(VNSI_RET_OK);
else
resp.add_U32(VNSI_RET_ERROR);
}
else
resp.add_U32(VNSI_RET_ERROR);
resp.add_U32(serial);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::processChannelStream_StatusSocket(cRequestPacket &req) /* OPCODE 23 */
{
cResponsePacket resp;
resp.init(req.getRequestID());
if (m_isStreaming && m_Streamer)
{
int32_t fd = req.extract_S32();
m_Streamer->AddStatusSocket(fd);
resp.add_U32(VNSI_RET_OK);
}
else
resp.add_U32(VNSI_RET_ERROR);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::processChannelStream_StatusRequest(cRequestPacket &req) /* OPCODE 24 */
{
if (m_isStreaming && m_Streamer)
{
m_Streamer->SendStatus();
}
return true;
}
/** OPCODE 40 - 59: VNSI network functions for recording streaming */
bool cVNSIClient::processRecStream_Open(cRequestPacket &req) /* OPCODE 40 */
{
const cRecording *recording = NULL;
uint32_t uid = req.extract_U32();
recording = cRecordingsCache::GetInstance().Lookup(uid);
cResponsePacket resp;
resp.init(req.getRequestID());
if (recording && m_RecPlayer == NULL)
{
m_RecPlayer = new cRecPlayer(recording);
resp.add_U32(VNSI_RET_OK);
resp.add_U32(m_RecPlayer->getLengthFrames());
resp.add_U64(m_RecPlayer->getLengthBytes());
resp.add_U8(recording->IsPesRecording());//added for TS
}
else
{
resp.add_U32(VNSI_RET_DATAUNKNOWN);
ERRORLOG("%s - unable to start recording !", __FUNCTION__);
}
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::processRecStream_Close(cRequestPacket &req) /* OPCODE 41 */
{
delete m_RecPlayer;
m_RecPlayer = NULL;
cResponsePacket resp;
resp.init(req.getRequestID());
resp.add_U32(VNSI_RET_OK);
resp.finalise();
m_socket.write(resp.getPtr(), resp.getLen());
return true;
}
bool cVNSIClient::processRecStream_GetBlock(cRequestPacket &req) /* OPCODE 42 */
{
if (m_isStreaming)
{
ERRORLOG("Get block called during live streaming");
return false;
}
if (!m_RecPlayer)
{
ERRORLOG("Get block called when no recording open");
return false;
}