DatabaseServer::DatabaseServer(RoleConfig roleconfig) : Role(roleconfig),
m_control_channel(control_channel.get_rval(roleconfig)),
m_min_id(min_id.get_rval(roleconfig)),
m_max_id(max_id.get_rval(roleconfig)),
m_broadcast(broadcast_updates.get_rval(roleconfig))
{
ConfigNode generate = dbserver_config.get_child_node(generate_config, roleconfig);
ConfigNode backend = dbserver_config.get_child_node(db_backend_config, roleconfig);
m_db_backend = DBBackendFactory::singleton().instantiate_backend(
db_backend_type.get_rval(backend), backend,
min_id.get_rval(generate), max_id.get_rval(generate));
// Initialize DatabaseServer log
stringstream log_title;
log_title << "Database(" << m_control_channel << ")";
m_log = new LogCategory("db", log_title.str());
set_con_name(log_title.str());
// Check to see the backend was instantiated
if(!m_db_backend) {
m_log->fatal() << "No database backend of type '"
<< db_backend_type.get_rval(backend) << "' exists." << endl;
astron_shutdown(1);
}
// Listen on control channel
subscribe_channel(m_control_channel);
subscribe_channel(BCHAN_DBSERVERS);
}
ClientAgent::ClientAgent(RoleConfig roleconfig) : Role(roleconfig), m_net_acceptor(nullptr),
m_server_version(server_version.get_rval(roleconfig))
{
stringstream ss;
ss << "Client Agent (" << bind_addr.get_rval(roleconfig) << ")";
m_log = std::unique_ptr<LogCategory>(new LogCategory("clientagent", ss.str()));
// We need to get the client type...
ConfigNode client = clientagent_config.get_child_node(ca_client_config, roleconfig);
m_client_type = ca_client_type.get_rval(client);
// ... and also the channel range ...
ConfigNode channels = clientagent_config.get_child_node(channels_config, roleconfig);
m_ct = ChannelTracker(min_channel.get_rval(channels), max_channel.get_rval(channels));
// ... then store a copy of the client config.
m_clientconfig = clientagent_config.get_child_node(ca_client_config, roleconfig);
// Calculate the DC hash
const uint32_t config_hash = override_hash.get_rval(roleconfig);
if(config_hash > 0x0) {
m_hash = config_hash;
} else {
m_hash = dclass::legacy_hash(g_dcf);
}
// Load tuning parameters.
ConfigNode tuning = clientagent_config.get_child_node(tuning_config, roleconfig);
m_interest_timeout = interest_timeout.get_rval(tuning);
TcpAcceptorCallback callback = std::bind(&ClientAgent::handle_tcp, this,
std::placeholders::_1,
std::placeholders::_2,
std::placeholders::_3,
std::placeholders::_4);
AcceptorErrorCallback err_callback = std::bind(&ClientAgent::handle_error, this,
std::placeholders::_1);
m_net_acceptor = std::unique_ptr<TcpAcceptor>(new TcpAcceptor(callback, err_callback));
m_net_acceptor->set_haproxy_mode(behind_haproxy.get_rval(m_roleconfig));
// Begin listening for new Clients
m_net_acceptor->bind(bind_addr.get_rval(m_roleconfig), 7198);
m_net_acceptor->start();
}
ClientAgent::ClientAgent(RoleConfig roleconfig) : Role(roleconfig), m_acceptor(NULL),
m_server_version(server_version.get_rval(roleconfig))
{
stringstream ss;
ss << "Client Agent (" << bind_addr.get_rval(roleconfig) << ")";
m_log = new LogCategory("clientagent", ss.str());
// We need to get the client type...
ConfigNode client = clientagent_config.get_child_node(ca_client_config, roleconfig);
m_client_type = ca_client_type.get_rval(client);
// ... and also the channel range ...
ConfigNode channels = clientagent_config.get_child_node(channels_config, roleconfig);
m_ct = ChannelTracker(min_channel.get_rval(channels), max_channel.get_rval(channels));
// ... then store a copy of the client config.
m_clientconfig = clientagent_config.get_child_node(ca_client_config, roleconfig);
// Calculate the DC hash
const uint32_t config_hash = override_hash.get_rval(roleconfig);
if(config_hash > 0x0)
{
m_hash = config_hash;
}
else
{
m_hash = dclass::legacy_hash(g_dcf);
}
//Initialize the network
string str_ip = bind_addr.get_rval(m_roleconfig);
string str_port = str_ip.substr(str_ip.find(':', 0) + 1, string::npos);
str_ip = str_ip.substr(0, str_ip.find(':', 0));
tcp::resolver resolver(io_service);
tcp::resolver::query query(str_ip, str_port);
tcp::resolver::iterator it = resolver.resolve(query);
m_acceptor = new tcp::acceptor(io_service, *it, true);
start_accept();
}
DBStateServer::DBStateServer(RoleConfig roleconfig) : StateServer(roleconfig),
m_db_channel(database_channel.get_rval(m_roleconfig)), m_next_context(0)
{
ConfigNode ranges = dbss_config.get_child_node(ranges_config, roleconfig);
for(const auto& it : ranges) {
channel_t min = range_min.get_rval(it);
channel_t max = range_max.get_rval(it);
subscribe_range(min, max);
}
std::stringstream name;
name << "DBSS(Database: " << m_db_channel << ")";
m_log = std::unique_ptr<LogCategory>(new LogCategory("dbss", name.str()));
set_con_name(name.str());
}
DBStateServer::DBStateServer(RoleConfig roleconfig) : StateServer(roleconfig),
m_db_channel(database_channel.get_rval(m_roleconfig)), m_next_context(0)
{
ConfigNode ranges = dbss_config.get_child_node(ranges_config, roleconfig);
for(auto it = ranges.begin(); it != ranges.end(); ++it) {
channel_t min = range_min.get_rval(*it);
channel_t max = range_max.get_rval(*it);
MessageDirector::singleton.subscribe_range(this, min, max);
}
std::stringstream name;
name << "DBSS(Database: " << m_db_channel << ")";
m_log = new LogCategory("dbss", name.str());
set_con_name(name.str());
}