cConnection::~cConnection()
{
isyslog("VNSI: cConnection::~cConnection()");
StopChannelStreaming();
m_socket.close(); // force closing connection
isyslog("VNSI: stopping cConnection thread ...");
Cancel(10);
isyslog("VNSI: done");
}
void cConnection::Action(void)
{
uint32_t kaTimeStamp;
uint32_t logStringLen;
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
{
esyslog("VNSI-Error: dataLength > 200000!");
break;
}
if (dataLength)
{
data = (uint8_t*)malloc(dataLength);
if (!data)
{
esyslog("VNSI-Error: Extra data buffer malloc error");
break;
}
if (!m_socket.read(data, dataLength, 10000))
{
esyslog("VNSI-Error: Could not read data");
free(data);
break;
}
}
else
{
data = NULL;
}
//LOGCONSOLE("Received chan=%lu, ser=%lu, op=%lu, edl=%lu", channelID, requestID, opcode, dataLength);
if (!m_loggedIn && (opcode != 1))
{
esyslog("VNSI-Error: Not logged in and opcode != 1");
if (data) free(data);
break;
}
/* Handle channel open and close inside this thread */
if (opcode == VDR_CHANNELSTREAM_OPEN)
{
cResponsePacket *resp = new cResponsePacket();
if (!resp->init(requestID))
{
esyslog("VNSI-Error: response packet init fail");
delete resp;
continue;
}
uint32_t number = ntohl(*(uint32_t*)&data[0]);
free(data);
if (m_isStreaming)
StopChannelStreaming();
const cChannel *channel = Channels.GetByNumber(number);
if (channel != NULL)
{
if (StartChannelStreaming(channel, resp))
{
isyslog("VNSI: Started streaming of channel %i - %s", number, channel->Name());
continue;
}
else
{
LOGCONSOLE("Can't stream channel %i - %s", number, channel->Name());
resp->add_U32(VDR_RET_DATALOCKED);
}
}
else
{
esyslog("VNSI-Error: Can't find channel %i", number);
resp->add_U32(VDR_RET_DATAINVALID);
}
resp->finalise();
m_socket.write(resp->getPtr(), resp->getLen());
}
else if (opcode == VDR_CHANNELSTREAM_CLOSE)
{
if (m_isStreaming)
StopChannelStreaming();
}
else
{
cRequestPacket* req = new cRequestPacket(requestID, opcode, data, dataLength, this);
m_cmdcontrol.recvRequest(req);
}
}
else if (channelID == 3)
{
if (!m_socket.read((uint8_t*)&kaTimeStamp, sizeof(uint32_t), 1000)) break;
kaTimeStamp = ntohl(kaTimeStamp);
//LOGCONSOLE("Received chan=%lu kats=%lu", channelID, kaTimeStamp);
uint8_t buffer[8];
*(uint32_t*)&buffer[0] = htonl(3); // KA CHANNEL
*(uint32_t*)&buffer[4] = htonl(kaTimeStamp);
if (!m_socket.write(buffer, 8))
{
esyslog("VNSI-Error: Could not send back KA reply");
break;
}
}
else if (channelID == 4)
{
if (!m_socket.read((uint8_t*)&logStringLen, sizeof(uint32_t), 1000)) break;
logStringLen = ntohl(logStringLen);
LOGCONSOLE("Received chan=%lu loglen=%lu", channelID, logStringLen);
uint8_t buffer[logStringLen + 1];
if (!m_socket.read((uint8_t*)&buffer, logStringLen, 1000)) break;
buffer[logStringLen] = '\0';
LOGCONSOLE("Client said: '%s'", buffer);
if (m_NetLogFile)
{
if (fputs((const char*)buffer, m_NetLogFile) == EOF)
{
fclose(m_NetLogFile);
m_NetLogFile = NULL;
}
fflush(NULL);
}
}
else
{
esyslog("VNSI-Error: Incoming channel number unknown");
break;
}
}
/* If thread is ended due to closed connection delete a
possible running stream here */
StopChannelStreaming();
}
