int packet_get_length(Packet* packet)
{
_Packet* p = (_Packet*)packet;
switch (packet_get_type(packet))
{
case PACKET_TYPE_SEND_MESSAGE:
{
return packet_get_byte(packet, SEND_MESSAGE_LENGTH) + 2;
break;
}
case PACKET_TYPE_SEND_NAME:
{
return packet_get_byte(packet, SEND_NAME_LENGTH) + 2;
break;
}
case PACKET_TYPE_PACKETS:
{
int num_packets;
return packet_packet_get_length(p, &num_packets);
break;
}
default:
{
return PACKET_SIZES[(int)(p->type)];
break;
}
}
}
static int packet_get(struct interface_t * iface, struct packet_t * packet, int timeout)
{
struct packet_get_ctx_t ctx;
uint64_t time, end;
uint8_t c;
int ret = -1;
ctx.packet = packet;
ctx.state = PACKET_STATE_HEADER0;
ctx.index = 0;
end = time_now() + timeout;
do {
if(interface_read(iface, &c, 1) == 1)
ret = packet_get_byte(&ctx, c);
time = time_now();
} while((ret < 0) && (time <= end));
return ret;
}
void packet_print(Packet* packet)
{
switch (packet_get_type(packet))
{
case PACKET_TYPE_SEND_MESSAGE:
{
printf("Send Message: Length=%d, Message=%s\n",
packet_get_length(packet),
packet_get_string(packet, SEND_MESSAGE_TEXT));
break;
}
case PACKET_TYPE_SEND_NAME:
{
printf("Send Name: Length=%d, Name=%s\n",
packet_get_length(packet),
packet_get_string(packet, SEND_NAME_NAME));
break;
}
case PACKET_TYPE_MOUSE_DOWN:
{
printf("Mouse Down: Length=%d, X=%lf, Y=%lf\n",
packet_get_length(packet),
packet_get_double(packet, MOUSE_DOWN_X),
packet_get_double(packet, MOUSE_DOWN_Y));
break;
}
case PACKET_TYPE_MOUSE_MOVE:
{
printf("Mouse Move: Length=%d, X=%lf, Y=%lf\n",
packet_get_length(packet),
packet_get_double(packet, MOUSE_MOVE_X),
packet_get_double(packet, MOUSE_MOVE_Y));
break;
}
case PACKET_TYPE_MOUSE_UP:
{
printf("Mouse Up: Length=%d, X=%lf, Y=%lf\n",
packet_get_length(packet),
packet_get_double(packet, MOUSE_UP_X),
packet_get_double(packet, MOUSE_UP_Y));
break;
}
case PACKET_TYPE_NEW_STROKE:
{
printf("New Stroke: Length=%d, ID=%d, X=%lf, Y=%lf, TYPE=%d, FILL=%d, WIDTH=%lf, R=%lf, G=%lf, B=%lf\n",
packet_get_length(packet),
packet_get_int(packet, NEW_STROKE_ID),
packet_get_double(packet, NEW_STROKE_X),
packet_get_double(packet, NEW_STROKE_Y),
packet_get_byte(packet, NEW_STROKE_SHAPE_TYPE),
packet_get_byte(packet, NEW_STROKE_FILL),
packet_get_double(packet, NEW_STROKE_WIDTH),
packet_get_double(packet, NEW_STROKE_R),
packet_get_double(packet, NEW_STROKE_G),
packet_get_double(packet, NEW_STROKE_B));
break;
}
case PACKET_TYPE_ADD_POINT:
{
printf("Add Point: Length=%d, ID=%d, X=%lf, Y=%lf\n",
packet_get_length(packet),
packet_get_int(packet, ADD_POINT_ID),
packet_get_double(packet, ADD_POINT_X),
packet_get_double(packet, ADD_POINT_Y));
break;
}
case PACKET_TYPE_DELETE:
{
printf("New Stroke: Length=%d, ID=%d\n",
packet_get_length(packet),
packet_get_int(packet, DELETE_ID));
break;
}
case PACKET_TYPE_UPDATE:
{
printf("Update: Length=%d, ID=%d, X=%lf, Y=%lf, T=%lf\n",
packet_get_length(packet),
packet_get_int(packet, UPDATE_ID),
packet_get_double(packet, UPDATE_X),
packet_get_double(packet, UPDATE_Y),
packet_get_double(packet, UPDATE_ROTATION));
break;
}
case PACKET_TYPE_PACKETS:
{
printf("Packets: Length=%d\n", packet_get_length(packet));
int i = 0;
Packet* p = NULL;
do
{
printf("\t");
p = packet_get_packet(packet, i);
packet_print(p);
i++;
} while (packet_get_type(p) != PACKET_TYPE_UNDEFINED);
break;
}
case PACKET_TYPE_NEW_CONNECTION:
{
printf("New Connection: Length=1\n");
break;
}
case PACKET_TYPE_INK_POT:
{
printf("Ink: %d\n", packet_get_byte(packet, INK_POT_INK));
break;
}
case PACKET_TYPE_UNDEFINED:
default:
{
printf("Packet Undefined\n");
break;
}
}
}
