bool CClientsHandler::SendPing(CClient* client)
{
CLock lock(m_mutex);
//check if any light is used
int lightsused = 0;
for (unsigned int i = 0; i < client->m_lights.size(); ++i)
{
if (client->m_lights[i].GetNrUsers() > 0)
{
lightsused = 1;
break; //if one light is used we have enough info
}
}
lock.Leave();
CTcpData data;
data.SetData("ping " + ToString(lightsused) + "\n");
if (client->m_socket.Write(data) != SUCCESS)
{
Log("%s", client->m_socket.GetError().c_str());
return false;
}
return true;
}
//sends light info, like name and area
bool CClientsHandler::SendLights(CClient* client)
{
CTcpData data;
//build up messages by appending to CTcpData
data.SetData("lights " + ToString(client->m_lights.size()) + "\n");
for (int i = 0; i < client->m_lights.size(); ++i)
{
data.SetData("light " + client->m_lights[i].GetName() + " ", true);
data.SetData("scan ", true);
data.SetData(ToString(client->m_lights[i].GetVscan()[0]) + " ", true);
data.SetData(ToString(client->m_lights[i].GetVscan()[1]) + " ", true);
data.SetData(ToString(client->m_lights[i].GetHscan()[0]) + " ", true);
data.SetData(ToString(client->m_lights[i].GetHscan()[1]), true);
data.SetData("\n", true);
}
if (client->m_socket.Write(data) != SUCCESS)
{
Log("%s", client->m_socket.GetError().c_str());
return false;
}
return true;
}
//parses client messages
bool CClientsHandler::ParseMessage(CClient* client, CMessage& message)
{
CTcpData data;
string messagekey;
const char *messageString = message.message.c_str();
if (messageString[0] == 'h')
{
// hello
Log("%s:%i said hello",
client->m_socket.GetAddress().c_str(), client->m_socket.GetPort());
data.SetData("hello\n");
if (client->m_socket.Write(data) != SUCCESS)
{
Log("%s", client->m_socket.GetError().c_str());
return false;
}
CLock lock(m_mutex);
if (client->m_connecttime == -1)
client->m_connecttime = message.time;
}
else if (messageString[0] == 'p')
{
// ping
return SendPing(client);
}
else if (messageString[0] == 'g')
{
// get
messageString = messageString + 4;
return ParseGet(client, messageString, message);
}
else if (messageString[0] == 's' && messageString[1] == 'e')
{
// set
messageString = messageString + 4;
return ParseSet(client, messageString, message);
}
else if (messageString[0] == 's' && messageString[1] == 'y')
{
// sync
return ParseSync(client);
}
else
{
LogError("%s:%i sent gibberish",
client->m_socket.GetAddress().c_str(), client->m_socket.GetPort());
return false;
}
return true;
}
//this is used to check that boblightd and libboblight have the same protocol version
//the check happens in libboblight
bool CClientsHandler::SendVersion(CClient* client)
{
CTcpData data;
data.SetData("version " + static_cast<string>(PROTOCOLVERSION) + "\n");
if (client->m_socket.Write(data) != SUCCESS)
{
Log("%s", client->m_socket.GetError().c_str());
return false;
}
return true;
}
//parses client messages
bool CClientsHandler::ParseMessage(CClient* client, CMessage& message)
{
CTcpData data;
string messagekey;
//an empty message is invalid
if (!GetWord(message.message, messagekey))
{
LogError("%s:%i sent gibberish", client->m_socket.GetAddress().c_str(), client->m_socket.GetPort());
return false;
}
if (messagekey == "hello")
{
Log("%s:%i said hello", client->m_socket.GetAddress().c_str(), client->m_socket.GetPort());
data.SetData("hello\n");
if (client->m_socket.Write(data) != SUCCESS)
{
Log("%s", client->m_socket.GetError().c_str());
return false;
}
CLock lock(m_mutex);
if (client->m_connecttime == -1)
client->m_connecttime = message.time;
}
else if (messagekey == "ping")
{
return SendPing(client);
}
else if (messagekey == "get")
{
return ParseGet(client, message);
}
else if (messagekey == "set")
{
return ParseSet(client, message);
}
else if (messagekey == "sync")
{
return ParseSync(client);
}
else
{
LogError("%s:%i sent gibberish", client->m_socket.GetAddress().c_str(), client->m_socket.GetPort());
return false;
}
return true;
}
//called by the connection handler
void CClientsHandler::AddClient(CClient* client)
{
CLock lock(m_mutex);
if (m_clients.size() >= FD_SETSIZE) //maximum number of clients reached
{
LogError("number of clients reached maximum %i", FD_SETSIZE);
CTcpData data;
data.SetData("full\n");
client->m_socket.Write(data);
delete client;
return;
}
//assign lights and put the pointer in the clients vector
client->m_lights = m_lights;
m_clients.push_back(client);
}