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vnsiclient.c
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vnsiclient.c
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/*
* vdr-plugin-vnsi - XBMC server plugin for VDR
*
* Copyright (C) 2010 Alwin Esch (Team XBMC)
* Copyright (C) 2010, 2011 Alexander Pipelka
*
* http://www.xbmc.org
*
* 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 XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <map>
#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>
#include "vnsi.h"
#include "config.h"
#include "vnsicommand.h"
#include "recordingscache.h"
#include "vnsiclient.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 "wirbelscanservice.h" /// copied from modified wirbelscan plugin
/// must be hold up to date with wirbelscan
cMutex cVNSIClient::m_timerLock;
cVNSIClient::cVNSIClient(int fd, unsigned int id, const char *ClientAdr)
{
m_Id = id;
m_Streamer = NULL;
m_isStreaming = false;
m_ClientAddress = ClientAdr;
m_StatusInterfaceEnabled = false;
m_RecPlayer = NULL;
m_req = NULL;
m_resp = NULL;
m_processSCAN_Response = NULL;
m_processSCAN_Socket = NULL;
m_Osd = NULL;
m_socket.SetHandle(fd);
Start();
}
cVNSIClient::~cVNSIClient()
{
DEBUGLOG("%s", __FUNCTION__);
StopChannelStreaming();
m_socket.close(); // force closing connection
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)
{
data = (uint8_t*)malloc(dataLength);
if (!data)
{
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;
}
cRequestPacket* req = new cRequestPacket(requestID, opcode, data, dataLength);
processRequest(req);
}
else
{
ERRORLOG("Incoming channel number unknown");
break;
}
}
/* If thread is ended due to closed connection delete a
possible running stream here */
StopChannelStreaming();
// Shutdown OSD
if (m_Osd)
{
delete m_Osd;
m_Osd = NULL;
}
}
bool cVNSIClient::StartChannelStreaming(const cChannel *channel, int32_t priority, uint8_t timeshift, uint32_t timeout)
{
m_Streamer = new cLiveStreamer(m_Id, timeshift, timeout);
m_isStreaming = m_Streamer->StreamChannel(channel, priority, &m_socket, m_resp);
return m_isStreaming;
}
void cVNSIClient::StopChannelStreaming()
{
m_isStreaming = false;
if (m_Streamer)
{
delete m_Streamer;
m_Streamer = NULL;
}
}
void cVNSIClient::TimerChange(const cTimer *Timer, eTimerChange Change)
{
TimerChange();
}
void cVNSIClient::TimerChange()
{
cMutexLock lock(&m_msgLock);
if (m_StatusInterfaceEnabled)
{
cResponsePacket *resp = new cResponsePacket();
if (!resp->initStatus(VNSI_STATUS_TIMERCHANGE))
{
delete resp;
return;
}
resp->finalise();
m_socket.write(resp->getPtr(), resp->getLen());
delete resp;
}
}
void cVNSIClient::ChannelsChange()
{
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return;
cResponsePacket *resp = new cResponsePacket();
if (!resp->initStatus(VNSI_STATUS_CHANNELCHANGE))
{
delete resp;
return;
}
resp->finalise();
m_socket.write(resp->getPtr(), resp->getLen());
delete resp;
}
void cVNSIClient::RecordingsChange()
{
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return;
cResponsePacket *resp = new cResponsePacket();
if (!resp->initStatus(VNSI_STATUS_RECORDINGSCHANGE))
{
delete resp;
return;
}
resp->finalise();
m_socket.write(resp->getPtr(), resp->getLen());
delete resp;
}
void cVNSIClient::EpgChange()
{
cMutexLock lock(&m_msgLock);
if (!m_StatusInterfaceEnabled)
return;
cSchedulesLock MutexLock;
const cSchedules *schedules = cSchedules::Schedules(MutexLock);
if (!schedules)
return;
std::map<int, time_t>::iterator it;
for (const cSchedule *schedule = schedules->First(); schedule; schedule = schedules->Next(schedule))
{
cEvent *lastEvent = schedule->Events()->Last();
if (!lastEvent)
continue;
Channels.Lock(false);
const cChannel *channel = Channels.GetByChannelID(schedule->ChannelID());
Channels.Unlock();
if (!channel)
continue;
if (!VNSIChannelFilter.PassFilter(*channel))
continue;
uint32_t channelId = CreateStringHash(schedule->ChannelID().ToString());
it = m_epgUpdate.find(channelId);
if (it != m_epgUpdate.end() && it->second >= lastEvent->StartTime())
{
continue;
}
INFOLOG("Trigger EPG update for channel %s, id: %d", channel->Name(), channelId);
cResponsePacket *resp = new cResponsePacket();
if (!resp->initStatus(VNSI_STATUS_EPGCHANGE))
{
delete resp;
return;
}
resp->add_U32(channelId);
resp->finalise();
m_socket.write(resp->getPtr(), resp->getLen());
delete resp;
}
}
void cVNSIClient::Recording(const cDevice *Device, const char *Name, const char *FileName, bool On)
{
cMutexLock lock(&m_msgLock);
if (m_StatusInterfaceEnabled)
{
cResponsePacket *resp = new cResponsePacket();
if (!resp->initStatus(VNSI_STATUS_RECORDING))
{
delete resp;
return;
}
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());
delete resp;
}
}
void cVNSIClient::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;
cResponsePacket *resp = new cResponsePacket();
if (!resp->initStatus(VNSI_STATUS_MESSAGE))
{
delete resp;
return;
}
resp->add_U32(0);
resp->add_String(Message);
resp->finalise();
m_socket.write(resp->getPtr(), resp->getLen());
delete resp;
}
}
void cVNSIClient::ChannelChange(const cChannel *Channel)
{
cMutexLock lock(&m_msgLock);
if (m_isStreaming && m_Streamer)
{
m_Streamer->RetuneChannel(Channel);
}
}
bool cVNSIClient::processRequest(cRequestPacket* req)
{
cMutexLock lock(&m_msgLock);
m_req = req;
m_resp = new cResponsePacket();
if (!m_resp->init(m_req->getRequestID()))
{
ERRORLOG("Response packet init fail");
delete m_resp;
delete m_req;
m_resp = NULL;
m_req = NULL;
return false;
}
bool result = false;
switch(m_req->getOpCode())
{
/** OPCODE 1 - 19: VNSI network functions for general purpose */
case VNSI_LOGIN:
result = process_Login();
break;
case VNSI_GETTIME:
result = process_GetTime();
break;
case VNSI_ENABLESTATUSINTERFACE:
result = process_EnableStatusInterface();
break;
case VNSI_PING:
result = process_Ping();
break;
case VNSI_GETSETUP:
result = process_GetSetup();
break;
case VNSI_STORESETUP:
result = process_StoreSetup();
break;
/** OPCODE 20 - 39: VNSI network functions for live streaming */
case VNSI_CHANNELSTREAM_OPEN:
result = processChannelStream_Open();
break;
case VNSI_CHANNELSTREAM_CLOSE:
result = processChannelStream_Close();
break;
case VNSI_CHANNELSTREAM_SEEK:
result = processChannelStream_Seek();
break;
/** OPCODE 40 - 59: VNSI network functions for recording streaming */
case VNSI_RECSTREAM_OPEN:
result = processRecStream_Open();
break;
case VNSI_RECSTREAM_CLOSE:
result = processRecStream_Close();
break;
case VNSI_RECSTREAM_GETBLOCK:
result = processRecStream_GetBlock();
break;
case VNSI_RECSTREAM_POSTOFRAME:
result = processRecStream_PositionFromFrameNumber();
break;
case VNSI_RECSTREAM_FRAMETOPOS:
result = processRecStream_FrameNumberFromPosition();
break;
case VNSI_RECSTREAM_GETIFRAME:
result = processRecStream_GetIFrame();
break;
case VNSI_RECSTREAM_GETLENGTH:
result = processRecStream_GetLength();
break;
/** OPCODE 60 - 79: VNSI network functions for channel access */
case VNSI_CHANNELS_GETCOUNT:
result = processCHANNELS_ChannelsCount();
break;
case VNSI_CHANNELS_GETCHANNELS:
result = processCHANNELS_GetChannels();
break;
case VNSI_CHANNELGROUP_GETCOUNT:
result = processCHANNELS_GroupsCount();
break;
case VNSI_CHANNELGROUP_LIST:
result = processCHANNELS_GroupList();
break;
case VNSI_CHANNELGROUP_MEMBERS:
result = processCHANNELS_GetGroupMembers();
break;
case VNSI_CHANNELS_GETCAIDS:
result = processCHANNELS_GetCaids();
break;
case VNSI_CHANNELS_GETWHITELIST:
result = processCHANNELS_GetWhitelist();
break;
case VNSI_CHANNELS_GETBLACKLIST:
result = processCHANNELS_GetBlacklist();
break;
case VNSI_CHANNELS_SETWHITELIST:
result = processCHANNELS_SetWhitelist();
break;
case VNSI_CHANNELS_SETBLACKLIST:
result = processCHANNELS_SetBlacklist();
break;
/** OPCODE 80 - 99: VNSI network functions for timer access */
case VNSI_TIMER_GETCOUNT:
result = processTIMER_GetCount();
break;
case VNSI_TIMER_GET:
result = processTIMER_Get();
break;
case VNSI_TIMER_GETLIST:
result = processTIMER_GetList();
break;
case VNSI_TIMER_ADD:
result = processTIMER_Add();
break;
case VNSI_TIMER_DELETE:
result = processTIMER_Delete();
break;
case VNSI_TIMER_UPDATE:
result = processTIMER_Update();
break;
/** OPCODE 100 - 119: VNSI network functions for recording access */
case VNSI_RECORDINGS_DISKSIZE:
result = processRECORDINGS_GetDiskSpace();
break;
case VNSI_RECORDINGS_GETCOUNT:
result = processRECORDINGS_GetCount();
break;
case VNSI_RECORDINGS_GETLIST:
result = processRECORDINGS_GetList();
break;
case VNSI_RECORDINGS_RENAME:
result = processRECORDINGS_Rename();
break;
case VNSI_RECORDINGS_DELETE:
result = processRECORDINGS_Delete();
break;
case VNSI_RECORDINGS_GETEDL:
result = processRECORDINGS_GetEdl();
break;
/** OPCODE 120 - 139: VNSI network functions for epg access and manipulating */
case VNSI_EPG_GETFORCHANNEL:
result = processEPG_GetForChannel();
break;
/** OPCODE 140 - 159: VNSI network functions for channel scanning */
case VNSI_SCAN_SUPPORTED:
result = processSCAN_ScanSupported();
break;
case VNSI_SCAN_GETCOUNTRIES:
result = processSCAN_GetCountries();
break;
case VNSI_SCAN_GETSATELLITES:
result = processSCAN_GetSatellites();
break;
case VNSI_SCAN_START:
result = processSCAN_Start();
break;
case VNSI_SCAN_STOP:
result = processSCAN_Stop();
break;
/** OPCODE 160 - 179: VNSI network functions for OSD */
case VNSI_OSD_CONNECT:
result = processOSD_Connect();
break;
case VNSI_OSD_DISCONNECT:
result = processOSD_Disconnect();
break;
case VNSI_OSD_HITKEY:
result = processOSD_Hitkey();
break;
}
delete m_resp;
m_resp = NULL;
delete m_req;
m_req = NULL;
return result;
}
/** OPCODE 1 - 19: VNSI network functions for general purpose */
bool cVNSIClient::process_Login() /* OPCODE 1 */
{
if (m_req->getDataLength() <= 4) return false;
m_protocolVersion = m_req->extract_U32();
m_req->extract_U8();
const char *clientName = m_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;
m_resp->add_U32(VNSI_PROTOCOLVERSION);
m_resp->add_U32(timeNow);
m_resp->add_S32(timeOffset);
m_resp->add_String("VDR-Network-Streaming-Interface (VNSI) Server");
m_resp->add_String(VNSI_SERVER_VERSION);
m_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);
m_socket.write(m_resp->getPtr(), m_resp->getLen());
delete[] clientName;
return true;
}
bool cVNSIClient::process_GetTime() /* OPCODE 2 */
{
time_t timeNow = time(NULL);
struct tm* timeStruct = localtime(&timeNow);
int timeOffset = timeStruct->tm_gmtoff;
m_resp->add_U32(timeNow);
m_resp->add_S32(timeOffset);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::process_EnableStatusInterface()
{
bool enabled = m_req->extract_U8();
SetStatusInterface(enabled);
SetPriority(1);
m_resp->add_U32(VNSI_RET_OK);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::process_Ping() /* OPCODE 7 */
{
m_resp->add_U32(1);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::process_GetSetup() /* OPCODE 8 */
{
char* name = m_req->extract_String();
if (!strcasecmp(name, CONFNAME_PMTTIMEOUT))
m_resp->add_U32(PmtTimeout);
else if (!strcasecmp(name, CONFNAME_TIMESHIFT))
m_resp->add_U32(TimeshiftMode);
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERSIZE))
m_resp->add_U32(TimeshiftBufferSize);
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERFILESIZE))
m_resp->add_U32(TimeshiftBufferFileSize);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::process_StoreSetup() /* OPCODE 9 */
{
char* name = m_req->extract_String();
if (!strcasecmp(name, CONFNAME_PMTTIMEOUT))
{
int value = m_req->extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_PMTTIMEOUT, value);
}
else if (!strcasecmp(name, CONFNAME_TIMESHIFT))
{
int value = m_req->extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_TIMESHIFT, value);
}
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERSIZE))
{
int value = m_req->extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_TIMESHIFTBUFFERSIZE, value);
}
else if (!strcasecmp(name, CONFNAME_TIMESHIFTBUFFERFILESIZE))
{
int value = m_req->extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_TIMESHIFTBUFFERFILESIZE, value);
}
else if (!strcasecmp(name, CONFNAME_PLAYRECORDING))
{
int value = m_req->extract_U32();
cPluginVNSIServer::StoreSetup(CONFNAME_PLAYRECORDING, value);
}
m_resp->add_U32(VNSI_RET_OK);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
/** OPCODE 20 - 39: VNSI network functions for live streaming */
bool cVNSIClient::processChannelStream_Open() /* OPCODE 20 */
{
uint32_t uid = m_req->extract_U32();
int32_t priority = m_req->extract_S32();
uint8_t timeshift = m_req->extract_U8();
uint32_t timeout = m_req->extract_U32();
if(timeout == 0)
timeout = VNSIServerConfig.stream_timeout;
if (m_isStreaming)
StopChannelStreaming();
Channels.Lock(false);
const cChannel *channel = NULL;
// try to find channel by uid first
channel = FindChannelByUID(uid);
Channels.Unlock();
// try channelnumber
if (channel == NULL)
channel = Channels.GetByNumber(uid);
if (channel == NULL) {
ERRORLOG("Can't find channel %08x", uid);
m_resp->add_U32(VNSI_RET_DATAINVALID);
}
else
{
if (StartChannelStreaming(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());
m_resp->add_U32(VNSI_RET_DATALOCKED);
}
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return false;
}
bool cVNSIClient::processChannelStream_Close() /* OPCODE 21 */
{
if (m_isStreaming)
StopChannelStreaming();
return true;
}
bool cVNSIClient::processChannelStream_Seek() /* OPCODE 22 */
{
uint32_t serial = 0;
if (m_isStreaming && m_Streamer)
{
int64_t time = m_req->extract_S64();
if (m_Streamer->SeekTime(time, serial))
m_resp->add_U32(VNSI_RET_OK);
else
m_resp->add_U32(VNSI_RET_ERROR);
}
else
m_resp->add_U32(VNSI_RET_ERROR);
m_resp->add_U32(serial);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
/** OPCODE 40 - 59: VNSI network functions for recording streaming */
bool cVNSIClient::processRecStream_Open() /* OPCODE 40 */
{
cRecording *recording = NULL;
uint32_t uid = m_req->extract_U32();
recording = cRecordingsCache::GetInstance().Lookup(uid);
if (recording && m_RecPlayer == NULL)
{
m_RecPlayer = new cRecPlayer(recording);
m_resp->add_U32(VNSI_RET_OK);
m_resp->add_U32(m_RecPlayer->getLengthFrames());
m_resp->add_U64(m_RecPlayer->getLengthBytes());
#if VDRVERSNUM < 10703
m_resp->add_U8(true);//added for TS
#else
m_resp->add_U8(recording->IsPesRecording());//added for TS
#endif
}
else
{
m_resp->add_U32(VNSI_RET_DATAUNKNOWN);
ERRORLOG("%s - unable to start recording !", __FUNCTION__);
}
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::processRecStream_Close() /* OPCODE 41 */
{
if (m_RecPlayer)
{
delete m_RecPlayer;
m_RecPlayer = NULL;
}
m_resp->add_U32(VNSI_RET_OK);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::processRecStream_GetBlock() /* 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;
}
uint64_t position = m_req->extract_U64();
uint32_t amount = m_req->extract_U32();
uint8_t* p = m_resp->reserve(amount);
uint32_t amountReceived = m_RecPlayer->getBlock(p, position, amount);
if(amount > amountReceived) m_resp->unreserve(amount - amountReceived);
if (!amountReceived)
{
m_resp->add_U32(0);
DEBUGLOG("written 4(0) as getblock got 0");
}
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::processRecStream_PositionFromFrameNumber() /* OPCODE 43 */
{
uint64_t retval = 0;
uint32_t frameNumber = m_req->extract_U32();
if (m_RecPlayer)
retval = m_RecPlayer->positionFromFrameNumber(frameNumber);
m_resp->add_U64(retval);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
DEBUGLOG("Wrote posFromFrameNum reply to client");
return true;
}
bool cVNSIClient::processRecStream_FrameNumberFromPosition() /* OPCODE 44 */
{
uint32_t retval = 0;
uint64_t position = m_req->extract_U64();
if (m_RecPlayer)
retval = m_RecPlayer->frameNumberFromPosition(position);
m_resp->add_U32(retval);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
DEBUGLOG("Wrote frameNumFromPos reply to client");
return true;
}
bool cVNSIClient::processRecStream_GetIFrame() /* OPCODE 45 */
{
bool success = false;
uint32_t frameNumber = m_req->extract_U32();
uint32_t direction = m_req->extract_U32();
uint64_t rfilePosition = 0;
uint32_t rframeNumber = 0;
uint32_t rframeLength = 0;
if (m_RecPlayer)
success = m_RecPlayer->getNextIFrame(frameNumber, direction, &rfilePosition, &rframeNumber, &rframeLength);
// returns file position, frame number, length
if (success)
{
m_resp->add_U64(rfilePosition);
m_resp->add_U32(rframeNumber);
m_resp->add_U32(rframeLength);
}
else
{
m_resp->add_U32(0);
}
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
DEBUGLOG("Wrote GNIF reply to client %lu %u %u", rfilePosition, rframeNumber, rframeLength);
return true;
}
bool cVNSIClient::processRecStream_GetLength() /* OPCODE 46 */
{
uint64_t length = 0;
if (m_RecPlayer)
{
m_RecPlayer->reScan();
length = m_RecPlayer->getLengthBytes();
}
m_resp->add_U64(length);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
/** OPCODE 60 - 79: VNSI network functions for channel access */
bool cVNSIClient::processCHANNELS_ChannelsCount() /* OPCODE 61 */
{
Channels.Lock(false);
int count = Channels.MaxNumber();
Channels.Unlock();
m_resp->add_U32(count);
m_resp->finalise();
m_socket.write(m_resp->getPtr(), m_resp->getLen());
return true;
}
bool cVNSIClient::processCHANNELS_GetChannels() /* OPCODE 63 */
{
if (m_req->getDataLength() != 5) return false;
bool radio = m_req->extract_U32();
bool filter = m_req->extract_U8();
Channels.Lock(false);
cString caids;
int caid;
int caid_idx;
for (cChannel *channel = Channels.First(); channel; channel = Channels.Next(channel))