bool TcpServerBase::poll() const {
UniqueFile client(::accept(get_fd(), NULLPTR, NULLPTR));
if(!client){
if(errno != EAGAIN){
DEBUG_THROW(SystemException);
}
return false;
}
AUTO(session, on_client_connect(STD_MOVE(client)));
if(!session){
LOG_POSEIDON_WARNING("on_client_connect() returns a null pointer.");
DEBUG_THROW(Exception, sslit("Null client pointer"));
}
if(m_ssl_factory){
AUTO(ssl, m_ssl_factory->create_ssl());
boost::scoped_ptr<SslFilterBase> filter(new SslFilter(STD_MOVE(ssl), session->get_fd()));
session->init_ssl(STD_MOVE(filter));
}
session->set_timeout(EpollDaemon::get_tcp_request_timeout());
EpollDaemon::add_session(session);
LOG_POSEIDON_INFO("Accepted TCP connection from ", session->get_remote_info());
return true;
}
static inline void process_commands()
{
int ringset_idx;
ipaugenblick_cmd_t *cmd;
struct rte_mbuf *mbuf;
struct socket *sock;
char *p;
struct sockaddr_in addr;
struct sockaddr_in *p_sockaddr;
struct rtentry rtentry;
int len;
cmd = ipaugenblick_dequeue_command_buf();
if(!cmd)
return;
switch(cmd->cmd) {
case IPAUGENBLICK_OPEN_SOCKET_COMMAND:
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"open_sock %x %x %x %x\n",cmd->u.open_sock.family,cmd->u.open_sock.type);
sock = app_glue_create_socket(cmd->u.open_sock.family,cmd->u.open_sock.type);
if(sock) {
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"setting user data %p\n",sock);
socket_satelite_data[cmd->ringset_idx].ringset_idx = cmd->ringset_idx;
socket_satelite_data[cmd->ringset_idx].parent_idx = cmd->parent_idx;
socket_satelite_data[cmd->ringset_idx].apppid = cmd->u.open_sock.pid;
app_glue_set_user_data(sock,(void *)&socket_satelite_data[cmd->ringset_idx]);
socket_satelite_data[cmd->ringset_idx].socket = sock;
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"%d setting tx_space %d\n",__LINE__,sk_stream_wspace(sock->sk));
user_set_socket_tx_space(&g_ipaugenblick_sockets[socket_satelite_data[cmd->ringset_idx].ringset_idx].tx_space,sk_stream_wspace(sock->sk));
}
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"Done\n");
break;
case IPAUGENBLICK_SOCKET_CONNECT_BIND_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
if(cmd->u.socket_connect_bind.is_connect) {
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"connect %x\n",cmd->ringset_idx);
if(app_glue_v4_connect(socket_satelite_data[cmd->ringset_idx].socket,
cmd->u.socket_connect_bind.ipaddr,
cmd->u.socket_connect_bind.port)) {
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"failed to connect socket\n");
}
else {
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"socket connected\n");
len = sizeof(addr);
inet_getname(socket_satelite_data[cmd->ringset_idx].socket,&addr,&len,0);
g_ipaugenblick_sockets[cmd->ringset_idx].local_ipaddr = addr.sin_addr.s_addr;
g_ipaugenblick_sockets[cmd->ringset_idx].local_port = addr.sin_port;
}
}
else {
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"bind %x\n",cmd->ringset_idx);
if(app_glue_v4_bind(socket_satelite_data[cmd->ringset_idx].socket,
cmd->u.socket_connect_bind.ipaddr,
cmd->u.socket_connect_bind.port)) {
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"cannot bind %x %x\n",cmd->u.socket_connect_bind.ipaddr,cmd->u.socket_connect_bind.port);
}
}
}
else {
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"no socket to invoke command!!!\n");
}
break;
case IPAUGENBLICK_LISTEN_SOCKET_COMMAND:
ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"listen %x\n",cmd->ringset_idx);
if(app_glue_v4_listen(socket_satelite_data[cmd->ringset_idx].socket)) {
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"failed listening\n");
}
break;
case IPAUGENBLICK_SOCKET_CLOSE_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
// ipaugenblick_log(IPAUGENBLICK_LOG_INFO,"closing socket %d %p\n",cmd->ringset_idx,socket_satelite_data[cmd->ringset_idx].socket);
// printf("%s %d %p\n",__FILE__,__LINE__,socket_satelite_data[cmd->ringset_idx].socket);
// user_on_transmission_opportunity(socket_satelite_data[cmd->ringset_idx].socket);
user_flush_rx_tx((struct socket *)socket_satelite_data[cmd->ringset_idx].socket);
app_glue_close_socket((struct socket *)socket_satelite_data[cmd->ringset_idx].socket);
socket_satelite_data[cmd->ringset_idx].socket = NULL;
socket_satelite_data[cmd->ringset_idx].ringset_idx = -1;
socket_satelite_data[cmd->ringset_idx].parent_idx = -1;
ipaugenblick_free_socket(cmd->ringset_idx);
user_sockets_closed++;
}
break;
case IPAUGENBLICK_SOCKET_TX_KICK_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
user_kick_tx++;
// user_data_available_cbk(socket_satelite_data[cmd->ringset_idx].socket);
user_on_transmission_opportunity(socket_satelite_data[cmd->ringset_idx].socket);
}
break;
case IPAUGENBLICK_SOCKET_RX_KICK_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
user_kick_rx++;
user_data_available_cbk(socket_satelite_data[cmd->ringset_idx].socket);
// user_on_transmission_opportunity(socket_satelite_data[cmd->ringset_idx].socket);
}
break;
case IPAUGENBLICK_SET_SOCKET_RING_COMMAND:
//ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"%s %d %d %d %p\n",__FILE__,__LINE__,cmd->ringset_idx,cmd->parent_idx,cmd->u.set_socket_ring.socket_descr);
socket_satelite_data[cmd->ringset_idx].ringset_idx = cmd->ringset_idx;
if(cmd->parent_idx != -1)
socket_satelite_data[cmd->ringset_idx].parent_idx = cmd->parent_idx;
socket_satelite_data[cmd->ringset_idx].apppid = cmd->u.set_socket_ring.pid;
app_glue_set_user_data(cmd->u.set_socket_ring.socket_descr,&socket_satelite_data[cmd->ringset_idx]);
socket_satelite_data[cmd->ringset_idx].socket = cmd->u.set_socket_ring.socket_descr;
//ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"setting tx space: %d connidx %d\n",sk_stream_wspace(socket_satelite_data[cmd->ringset_idx].socket->sk),g_ipaugenblick_sockets[socket_satelite_data[cmd->ringset_idx].ringset_idx].connection_idx);
user_set_socket_tx_space(&g_ipaugenblick_sockets[socket_satelite_data[cmd->ringset_idx].ringset_idx].tx_space,sk_stream_wspace(socket_satelite_data[cmd->ringset_idx].socket->sk));
// user_on_transmission_opportunity(socket_satelite_data[cmd->ringset_idx].socket);
user_data_available_cbk(socket_satelite_data[cmd->ringset_idx].socket);
ipaugenblick_mark_writable(&socket_satelite_data[cmd->ringset_idx]);
ipaugenblick_mark_readable(&socket_satelite_data[cmd->ringset_idx]);
user_client_app_accepted++;
break;
case IPAUGENBLICK_SET_SOCKET_SELECT_COMMAND:
// ipaugenblick_log(IPAUGENBLICK_LOG_DEBUG,"setting selector %d for socket %d\n",cmd->u.set_socket_select.socket_select,cmd->ringset_idx);
socket_satelite_data[cmd->ringset_idx].parent_idx = cmd->u.set_socket_select.socket_select;
socket_satelite_data[cmd->ringset_idx].apppid = cmd->u.set_socket_select.pid;
user_data_available_cbk(socket_satelite_data[cmd->ringset_idx].socket);
ipaugenblick_mark_writable(&socket_satelite_data[cmd->ringset_idx]);
ipaugenblick_mark_readable(&socket_satelite_data[cmd->ringset_idx]);
break;
case IPAUGENBLICK_SOCKET_TX_POOL_EMPTY_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
if(!socket_satelite_data[cmd->ringset_idx].socket->buffers_available_notification_queue_present) {
TAILQ_INSERT_TAIL(&buffers_available_notification_socket_list_head,socket_satelite_data[cmd->ringset_idx].socket,buffers_available_notification_queue_entry);
socket_satelite_data[cmd->ringset_idx].socket->buffers_available_notification_queue_present = 1;
if(socket_satelite_data[cmd->ringset_idx].socket->type == SOCK_DGRAM)
user_set_socket_tx_space(&g_ipaugenblick_sockets[socket_satelite_data[cmd->ringset_idx].ringset_idx].tx_space,sk_stream_wspace(socket_satelite_data[cmd->ringset_idx].socket->sk));
}
}
break;
case IPAUGENBLICK_ROUTE_ADD_COMMAND:
memset((void *)&rtentry,0,sizeof(rtentry));
rtentry.rt_metric = cmd->u.route.metric;
rtentry.rt_flags = RTF_UP|RTF_GATEWAY;
p_sockaddr = (struct sockaddr_in *)&rtentry.rt_dst;
p_sockaddr->sin_family = AF_INET;
p_sockaddr->sin_addr.s_addr = cmd->u.route.dest_ipaddr;
p_sockaddr = (struct sockaddr_in *)&rtentry.rt_gateway;
p_sockaddr->sin_family = AF_INET;
p_sockaddr->sin_addr.s_addr = cmd->u.route.next_hop;
p_sockaddr = (struct sockaddr_in *)&rtentry.rt_genmask;
p_sockaddr->sin_family = AF_INET;
p_sockaddr->sin_addr.s_addr = cmd->u.route.dest_mask;
if(ip_rt_ioctl(&init_net,SIOCADDRT,&rtentry)) {
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"CANNOT ADD ROUTE ENTRY %x %x %x\n",
((struct sockaddr_in *)&rtentry.rt_dst)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_gateway)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_genmask)->sin_addr.s_addr);
}
else {
ipaugenblick_log(IPAUGENBLICK_LOG_INFO,"ROUTE ENTRY %x %x %x is added\n",
((struct sockaddr_in *)&rtentry.rt_dst)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_gateway)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_genmask)->sin_addr.s_addr);
}
break;
case IPAUGENBLICK_ROUTE_DEL_COMMAND:
memset((void *)&rtentry,0,sizeof(rtentry));
p_sockaddr = (struct sockaddr_in *)&rtentry.rt_dst;
p_sockaddr->sin_family = AF_INET;
p_sockaddr->sin_addr.s_addr = cmd->u.route.dest_ipaddr;
p_sockaddr = (struct sockaddr_in *)&rtentry.rt_gateway;
p_sockaddr->sin_family = AF_INET;
p_sockaddr->sin_addr.s_addr = cmd->u.route.next_hop;
p_sockaddr = (struct sockaddr_in *)&rtentry.rt_genmask;
p_sockaddr->sin_family = AF_INET;
p_sockaddr->sin_addr.s_addr = cmd->u.route.dest_mask;
if(ip_rt_ioctl(&init_net,SIOCDELRT,&rtentry)) {
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"CANNOT DELETE ROUTE ENTRY %x %x %x\n",
((struct sockaddr_in *)&rtentry.rt_dst)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_gateway)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_genmask)->sin_addr.s_addr);
}
else {
ipaugenblick_log(IPAUGENBLICK_LOG_INFO,"ROUTE ENTRY %x %x %x is deleted\n",
((struct sockaddr_in *)&rtentry.rt_dst)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_gateway)->sin_addr.s_addr,
((struct sockaddr_in *)&rtentry.rt_genmask)->sin_addr.s_addr);
}
break;
case IPAUGENBLICK_CONNECT_CLIENT:
if(cmd->ringset_idx >= IPAUGENBLICK_CLIENTS_POOL_SIZE) {
break;
}
if(!ipaugenblick_clients[cmd->ringset_idx].is_busy) {
TAILQ_INSERT_TAIL(&ipaugenblick_clients_list_head,&ipaugenblick_clients[cmd->ringset_idx],queue_entry);
ipaugenblick_clients[cmd->ringset_idx].is_busy = 1;
on_client_connect(cmd->ringset_idx);
}
break;
case IPAUGENBLICK_DISCONNECT_CLIENT:
if(cmd->ringset_idx >= IPAUGENBLICK_CLIENTS_POOL_SIZE) {
break;
}
if(ipaugenblick_clients[cmd->ringset_idx].is_busy) {
TAILQ_REMOVE(&ipaugenblick_clients_list_head,&ipaugenblick_clients[cmd->ringset_idx],queue_entry);
ipaugenblick_clients[cmd->ringset_idx].is_busy = 0;
}
break;
case IPAUGENBLICK_SETSOCKOPT_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
sock_setsockopt(socket_satelite_data[cmd->ringset_idx].socket, cmd->u.setsockopt.level, cmd->u.setsockopt.optname, cmd->u.setsockopt.optval, cmd->u.setsockopt.optlen);
}
break;
case IPAUGENBLICK_SOCKET_SHUTDOWN_COMMAND:
if(socket_satelite_data[cmd->ringset_idx].socket) {
inet_shutdown(socket_satelite_data[cmd->ringset_idx].socket, cmd->u.socket_shutdown.how);
user_sockets_shutdown++;
}
break;
case IPAUGENBLICK_SOCKET_DECLINE_COMMAND:
user_flush_rx_tx((struct socket *)cmd->u.socket_decline.socket_descr);
app_glue_close_socket((struct socket *)cmd->u.socket_decline.socket_descr);
user_sockets_closed++;
break;
default:
ipaugenblick_log(IPAUGENBLICK_LOG_ERR,"unknown cmd %d\n",cmd->cmd);
break;
}
ipaugenblick_free_command_buf(cmd);
}
