rpl | REPL from the future and past | Code Editor library
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kandi X-RAY | rpl Summary
REPL from the future and past.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of rpl
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Trending Discussions on rpl
QUESTION
I am doing some work on worm-attack detection in RPL. In RPL, the communication between the clients might be multiple hops, with the packets going through many nodes.
However, only the receiver gets a tcpip_event
on reception of the packet. The nodes that the route passes through do not get this event. Is there any way to detect the packet on the intermediate nodes?
ANSWER
Answered 2021-May-27 at 13:01You cannot get a notification or callback when a packet is forwarded. However, you can get a callback when a packet is received or sent by the lower layers.
In Contiki, use the function rime_sniffer_add
for that. Check apps/powertrace/powertrace.c
for an example.
In Contiki-NG the function has been renamed to netstack_sniffer_add
.
Usage example:
Declare the sniffer like this, in the global scope:
QUESTION
Apologies for asking a fairly common question, I have been looking all over and can't find a solution that fixes my problem.
I am using Firesharp, and trying to deserialize a Json object that Firebase returns into a class with a nested list.
...ANSWER
Answered 2021-May-26 at 14:30This in no way a complete answer. I assume you don't want to map/create classes for each "sub class", e.g. Barbarian, Wizard etc. You could perhaps use JsonConverter. The example only handles the first "anonymous" range of objects. Maybe you'll find some of this useful.
QUESTION
I have two files
File_A.txt
...ANSWER
Answered 2021-Apr-17 at 11:45This awk
should work for you:
QUESTION
I am working on a BOM (for Documents so I'm calling a BOD)and I would like to end up with the data in a tree view so I need to have the BOM explosion and sorted with each Level. I cannot figure out how to get the sorting to work correctly
Im working in SSMS
I have a View that holds;
[ParentDocumentTitle], [ParentDocumentName], [ChildDocumentTitle], [ChildDocumentName], [PDFFilePath],
all Nvarchar
Then I have SQL Query
...ANSWER
Answered 2021-Apr-07 at 18:29You can have root parent id in all the child rows. Then sort the rows by root id and level.
Please try this:
QUESTION
I'm using RPL in Contiki 3.0 and I need to make some calculations where the results are float. But instead of giving me the result in float, it is only calculating the integer number for example: 5/2 = 2.0 instead of 2.5. How can I get the right answer? I can not print float or double in Contiki 3.0 so I'm using this code to convert float into a string:
...ANSWER
Answered 2021-Mar-30 at 13:50Because 5/2 is a form of integer division, what you put in you get out, meaning that if you put in 5/2 you will only get an integer back, in the form of 2.
To fix this, make your 5/2 is 5/2.0 so that it is read in as a float, and that will make sure that you will get an answer that is a floating-point decimal.
QUESTION
How does contiki os map an IP address to a MAC address, and where is this stored?
I know the basics of ICMPv6 and RPL but once the network is built, when sending an IPv6 packet, how is the MAC address of the next hop known? I assume that a Neighbor Solicitation message is not sent every time. Also, on Cooja, the only ICMPv6 messages I see are RPL messages.
I tried to find the answer by grep, google search and in the doc but I couldn't find it.
...ANSWER
Answered 2021-Mar-19 at 08:43There is a uIP neighbor data structure called uip_ds6_nbr_t
. These structures are kept in Contiki neighbor tables. When the mapping from an IPv6 address to a MAC address is needed, the code first calls uip_ds6_nbr_lookup(ipv6_address)
to find the neighbor, then uses the neighbor to find the link-layer address, by calling the function uip_ds6_nbr_get_ll(nbr)
.
QUESTION
I am using GNU Parallel to create a file of python jobs. I was looking to have the file look like such:
...ANSWER
Answered 2021-Mar-18 at 07:07Something like this:
QUESTION
Using GNU Parallel 20210222 with --rpl '{0#} $_=sprintf("%02d",$job->seq())'
in my ~/.parallel/config
, why does
ANSWER
Answered 2021-Mar-17 at 03:33It is hardly surprising that this:
QUESTION
Im trying to run code that was written for contiki3.x on contiki-ng, I get a compilation error stating undefined reference to `rpl_set_root', eventhough I include "net/routing/rpl-classic/rpl.h". Wen i open the source code rpl-classic/rpl.h and rpl-classic/rpl.c i can see the dunction clearly being there
The following code produces the compilation error.
uip_ds6_addr_add(&ipaddr, 0, ADDR_MANUAL);
...ANSWER
Answered 2021-Mar-16 at 14:56By default Contiki-NG has RPL-lite enabled, which does not have this function.
To switch to RPL classic, add this line to application's Makefile:
QUESTION
Dear all I have a source table named "PROGRAM" as below
...ANSWER
Answered 2021-Mar-11 at 15:41You may add and additional column (Chain) which would contain full path for the current row like below. A new row shouldn't be added, if CHILD.Program
is already contained in such a path.
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No vulnerabilities reported
Install rpl
rpl is a node module you install globally. When you run rpl, it starts up a server at http://localhost:3000/, so you'll need to open your browser to that page. From there you just type, and when you want to inspect a value, add a comment to your source code like:.
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