int Group::masterMainloopWaitForEvents(fd_set& rd_set, fd_set& wr_set, int max_fd)
{
struct timeval tv_timeout = { 10, 0 /*us*/ };
const int nfds = select(max_fd + 1, &rd_set, &wr_set, nullptr, &tv_timeout);
if (nfds == -1) {
PGL_PROTECT_ERRNO {
PGL_LOG() << "select returned -1: errno=" << errno;
}
throw SyscallError("select", errno);
}
bool
NameServiceClient::register_service( const std::string &in_service_name,
int32_t in_port ) {
if( !m_client || !m_client->get_is_connected() ) {
throw SemanticError()
<<errinfo_errorid( ErrorID::SEMANTIC_ERR_NOT_CONNECTED);
}
char hostname[NAME_MAX];
if( -1 == gethostname( hostname, NAME_MAX ) ) {
throw SyscallError() <<boost::errinfo_errno(errno)
<< boost::errinfo_api_function("gethostname");
}
ServiceRequestData request;
request.m_service_name = in_service_name;
request.m_hostname = hostname;
request.m_port = in_port;
std::ostringstream sout;
{
boost::archive::text_oarchive oa( sout );
oa & request;
}
DataServiceMessage message( DATA_SERVICE_REGISTER );
std::strncpy( message.m_data, sout.str().c_str(), sout.str().size());
MemInfo data( reinterpret_cast<char *>( &message ),
sizeof(DataServiceMessage));
m_client->send_data( data );
std::unique_lock<std::mutex> l( m_mutex );
while( !m_stop && !m_response_ready ) {
m_response_ready_cond.wait( l );
}
if( m_stop ) {
return false;
}
bool status = m_status;
m_status = false;
m_response_ready = false;
return status;
}
