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#include <vdr/tools.h>
#include "plexgdm.h"
#include <ctime>
namespace plexclient
{
plexgdm::plexgdm()
{
_discoverMessage = "M-SEARCH * HTTP/1.0";
_clientHeader = "* HTTP/1.0";
_multicastAddress = "239.0.0.250";
_clientUpdatePort = 32412;
_helloSent = false;
_discoverInterval = 30 * 1000;
_discoverTimer.Set(1);
m_discoverAdress = Poco::Net::SocketAddress(_multicastAddress, 32414);
m_clientRegisterGroup = Poco::Net::SocketAddress(_multicastAddress, 32413);
m_discoveryComplete = false;
m_registrationIsRunning = false;
m_clientRegistered = false;
m_discoveryInterval = 120;
m_discoveryIsRunning = false;
}
plexgdm::~plexgdm()
{
}
void plexgdm::clientDetails(std::string c_id,
std::string c_name,
std::string c_port,
std::string c_product,
std::string c_version)
{
_clientData = "Content-Type: plex/media-player\r\n"
"Resource-Identifier: " + c_id + "\r\n"
"Device-Class: PC\r\n"
"Name: " + c_name + "\r\n"
"Port: " + c_port + "\r\n"
"Product: " + c_product + "\r\n"
"Protocol: plex\r\n"
"Protocol-Capabilities: navigation,playback,timeline\r\n"
"Protocol-Version: 1\r\n"
"Version: " + c_version + "\r\n";
_clientId = c_id;
}
std::string plexgdm::getClientDetails()
{
if(_clientData.empty())
throw "client_Data not initialized";
return _clientData;
}
void plexgdm::Action()
{
char buffer[1024];
m_registrationIsRunning = true;
m_discoveryIsRunning = true;
cMutexLock lock(&m_mutex);
Poco::Net::MulticastSocket update_sock(Poco::Net::SocketAddress(Poco::Net::IPAddress(), _clientUpdatePort), true);
update_sock.setLoopback(true);
update_sock.setReuseAddress(true);
update_sock.setTimeToLive(255);
update_sock.setBlocking(false);
while(Running()) {
try {
if(!_helloSent) {
// Send initial Client Registration
std::string s = Poco::format("HELLO %s\n%s", _clientHeader, _clientData);
update_sock.sendTo(s.c_str(), s.length(), m_clientRegisterGroup, 0);
_helloSent = true;
}
if(m_registrationIsRunning) {
Poco::Net::SocketAddress sender;
int n = 0;
try {
n = update_sock.receiveFrom(buffer, sizeof(buffer), sender);
} catch(Poco::TimeoutException& e) {
n = 0;
}
if(n > 0) {
std::string buf(buffer, n);
if(buf.find("M-SEARCH * HTTP/1.") != std::string::npos) {
//dsyslog("[plex]: Detected client discovery request from %s", sender.host().toString().c_str());
int t = std::time(0);
std::string s = Poco::format("HTTP/1.0 200 OK\r\n%sUpdated-At: %d", _clientData, t);
update_sock.sendTo(s.c_str(), s.length(), sender, 0);
m_clientRegistered = true;
}
}
}
} catch(Poco::IOException) {
// networkconnection is lost, reset
_helloSent = false;
}
if(m_discoveryIsRunning && _discoverTimer.TimedOut()) {
discover();
_discoverTimer.Set(_discoverInterval);
}
m_waitCondition.TimedWait(m_mutex, 500);
}
// Client loop stopped
try {
// unregister from Server
std::string s = Poco::format("BYE %s\r\n%s", _clientHeader, _clientData);
update_sock.sendTo(s.c_str(), s.length(), m_clientRegisterGroup, 0);
} catch (Poco::IOException) {}
m_clientRegistered = false;
}
void plexgdm::discover()
{
try {
Poco::Net::MulticastSocket socket(Poco::Net::SocketAddress(Poco::Net::IPAddress(), m_discoverAdress.port()), true);
// TODO: Discover multiple servers
char buffer[1024];
std::map<std::string, std::string> vBuffer;
socket.setLoopback(true);
socket.setTimeToLive(1);
socket.setReceiveTimeout(Poco::Timespan(0, 600 * 1000)); // microseconds
socket.joinGroup(m_discoverAdress.host());
socket.sendTo(_discoverMessage.c_str(), _discoverMessage.length(), m_discoverAdress, 0);
try {
while(true) {
Poco::Net::SocketAddress sender;
int n = socket.receiveFrom(buffer, sizeof(buffer), sender);
std::string buf(buffer, n);
if(buf.find("200 OK") != std::string::npos) {
vBuffer[sender.host().toString()] = buf;
}
}
} catch(Poco::TimeoutException) {}
socket.close();
m_discoveryComplete = true;
for(std::map<std::string, std::string>::iterator it = vBuffer.begin(); it != vBuffer.end(); ++it) {
std::string host = it->first;
std::string data = it->second;
bool flag = true;
// Check for duplicates
for(std::vector<PlexServer>::iterator s_it = m_vServers.begin(); s_it != m_vServers.end(); ++s_it) {
if(s_it->GetIpAdress() == host) {
flag = false;
s_it->ParseData(data, host);
}
}
if(flag) {
m_vServers.push_back(PlexServer(data, host));
isyslog("[plex] New Server Discovered: %s", host.c_str());
}
}
} catch (Poco::IOException) {} // No Networkconnection
}
void plexgdm::stopRegistration()
{
if(m_registrationIsRunning) {
m_registrationIsRunning = false;
m_waitCondition.Broadcast();
Cancel();
}
}
PlexServer* plexgdm::GetServer(std::string ip, int port)
{
for(std::vector<PlexServer>::iterator s_it = m_vServers.begin(); s_it != m_vServers.end(); ++s_it) {
if(s_it->GetIpAdress() == ip && s_it->GetPort() == port) {
return &(*s_it);
}
}
m_vServers.push_back(PlexServer(ip, port));
return &m_vServers[m_vServers.size()-1];
}
} // namespace
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