static TCPChild* _tcpchild_new(TCP* tcp, TCP* parent, in_addr_t peerIP, in_port_t peerPort) {
MAGIC_ASSERT(tcp);
MAGIC_ASSERT(parent);
TCPChild* child = g_new0(TCPChild, 1);
MAGIC_INIT(child);
/* my parent can find me by my key */
child->key = utility_ipPortHash(peerIP, peerPort);
descriptor_ref(tcp);
child->tcp = tcp;
descriptor_ref(parent);
child->parent = parent;
child->state = TCPCS_INCOMPLETE;
socket_setPeerName(&(child->tcp->super), peerIP, peerPort);
/* the child is bound to the parent server's address, because all packets
* coming from the child should appear to be coming from the server itself */
socket_setSocketName(&(child->tcp->super), socket_getBinding(&(parent->super)),
parent->super.boundPort);
return child;
}
void networkinterface_wantsSend(NetworkInterface* interface, Socket* socket) {
MAGIC_ASSERT(interface);
/* track the new socket for sending if not already tracking */
switch(interface->qdisc) {
case NIQ_RR: {
if(!g_queue_find(interface->rrQueue, socket)) {
descriptor_ref(socket);
g_queue_push_tail(interface->rrQueue, socket);
}
break;
}
case NIQ_FIFO:
default: {
if(!priorityqueue_find(interface->fifoQueue, socket)) {
descriptor_ref(socket);
priorityqueue_push(interface->fifoQueue, socket);
}
break;
}
}
/* trigger a send if we are currently idle */
if(!(interface->flags & NIF_SENDING)) {
_networkinterface_scheduleNextSend(interface);
}
}
TCPRetransmitTimerExpiredEvent* tcpretransmittimerexpired_new(TCP* tcp) {
TCPRetransmitTimerExpiredEvent* event = g_new0(TCPRetransmitTimerExpiredEvent, 1);
MAGIC_INIT(event);
shadowevent_init(&(event->super), &tcpretransmittimerexpired_functions);
descriptor_ref(tcp);
event->tcp = tcp;
return event;
}
void networkinterface_associate(NetworkInterface* interface, Socket* socket) {
MAGIC_ASSERT(interface);
gint key = socket_getAssociationKey(socket);
/* make sure there is no collision */
utility_assert(!networkinterface_isAssociated(interface, key));
/* insert to our storage */
g_hash_table_replace(interface->boundSockets, GINT_TO_POINTER(key), socket);
descriptor_ref(socket);
}
static EpollWatch* _epollwatch_new(Epoll* epoll, Descriptor* descriptor, struct epoll_event* event) {
EpollWatch* watch = g_new0(EpollWatch, 1);
MAGIC_INIT(watch);
g_assert(event);
/* ref it for the EpollWatch, which also covers the listener reference
* (which is freed below in _epollwatch_free) */
descriptor_ref(descriptor);
watch->listener = listener_new((CallbackFunc)epoll_descriptorStatusChanged, epoll, descriptor);
watch->descriptor = descriptor;
watch->event = *event;
descriptor_addStatusListener(watch->descriptor, watch->listener);
return watch;
}