gboolean socket_addToInputBuffer(Socket* socket, Packet* packet) {
MAGIC_ASSERT(socket);
/* check if the packet fits */
guint length = packet_getPayloadLength(packet);
if(length > socket_getInputBufferSpace(socket)) {
return FALSE;
}
/* add to our queue */
g_queue_push_tail(socket->inputBuffer, packet);
packet_ref(packet);
socket->inputBufferLength += length;
packet_addDeliveryStatus(packet, PDS_RCV_SOCKET_BUFFERED);
/* update the tracker input buffer stats */
Tracker* tracker = host_getTracker(worker_getCurrentHost());
Descriptor* descriptor = (Descriptor *)socket;
tracker_updateSocketInputBuffer(tracker, descriptor->handle, socket->inputBufferLength, socket->inputBufferSize);
/* we just added a packet, so we are readable */
if(socket->inputBufferLength > 0) {
descriptor_adjustStatus((Descriptor*)socket, DS_READABLE, TRUE);
}
return TRUE;
}
void networkinterface_packetArrived(NetworkInterface* interface, Packet* packet) {
MAGIC_ASSERT(interface);
/* a packet arrived. lets try to receive or buffer it */
guint length = packet_getPayloadLength(packet) + packet_getHeaderSize(packet);
gssize space = interface->inBufferSize - interface->inBufferLength;
utility_assert(space >= 0);
if(length <= space) {
/* we have space to buffer it */
packet_ref(packet);
g_queue_push_tail(interface->inBuffer, packet);
interface->inBufferLength += length;
packet_addDeliveryStatus(packet, PDS_RCV_INTERFACE_BUFFERED);
/* we need a trigger if we are not currently receiving */
if(!(interface->flags & NIF_RECEIVING)) {
_networkinterface_scheduleNextReceive(interface);
}
} else {
/* buffers are full, drop packet */
packet_addDeliveryStatus(packet, PDS_RCV_INTERFACE_DROPPED);
}
}