Commit graph

13 commits

Author SHA1 Message Date
Oliver Schmidt 57d9c43a33 Removed support for 'atari' now that 'atarixl' is part of the cc65 master. 2013-10-03 22:55:32 +02:00
Robert Quattlebaum f145c17039 core/net/resolv: IPv6 and mDNS ("Bonjour") support. Major refactor.
This patch updates the DNS resolver to support IPv6 and introduces an
improved API for looking up DNS entries. This patch also adds optional
support for mDNS lookups and responses to the DNS resolver.

Here is a quick summary of the changes:

 * Added support for IPv6 lookups.
 * DNS queries now honor record expiration.
 * Added support for mDNS, compatible with "Bonjour".
 * Implemented a new lookup api, `resolv_lookup2()`, which provides
   more information about the state of the record(error, expired,
   looking-up, etc.).

About mDNS/Bonjour Support
--------------------------

This patch adds basic support for mDNS/Bonjour, which allows you to
refer to the name of a device instead of its IP address. This is
incredibly convenient for IPv6 addresses because they tend to be very
long and difficult to remember. It is especially important for
link-local IPv6 addresses, since not all programs support the '%'
notation for indicating a network interface (required on systems with
more than one network interface to disambiguate).

In other words, instead of typing in this:

 * `http://[fe80::58dc:d7ed:a644:628f%en1]/`

You can type this instead:

 * `http://contiki.local/`

Huge improvement, no?

The convenience extends beyond that: this mechanism can be used for
nodes to talk to each other based on their human-readable names instead
of their IPv6 addresses. So instead of a switch on
`aaaa::58dc:d7ed:a644:628f` triggering an actuator on
`aaaa::ed26:19c1:4bd2:f95b`, `light-switch.local` can trigger the
actuator on `living-room-lights.local`.

What you need to do to be able to look up `.local` names on your
workstation depends on a few factors:

 * Your machine needs to be able to send and receive multicast packets
   to and from the LoWPAN. You can do this easily with the Jackdaw
   firmware on an RZUSBStick. If you have a border router, you will need
   it to bridge the mDNS multicast packets across the border.

 * If you are using a Mac, you win. All Apple devices support mDNS
   lookups.

 * If you are using Windows, you can install Apple's Bonjour for Windows
   package. (This may be already installed on your machine if you have
   installed iTunes) After you install this you can easily do `.local`
   lookups.

 * If you are using a Unix machine, you can install Avahi.

The default hostname is set to `contiki.local.`. You can change the
hostname programmatically by calling `resolv_set_hostname()`. You can
change the default hostname by changing `CONTIKI_CONF_DEFAULT_HOSTNAME`.

You may disable mDNS support by setting `RESOLV_CONF_SUPPORTS_MDNS` to
`0`.

---------------------------------

core/net/resolv: `resolv_lookup2()` -> `resolv_lookup()`

Note that this patch should fix several `resolv_lookup()` bugs
that already existed. There were many cases where `resolv_lookup()`
was being called and the IP address ignored, but later code
assumed that the IP address had been fetched... ANYWAY, those
should be fixed now.

---------------------------------

examples/udp-ipv6: Updated client to use MDNS to lookup the server.

Also updated the Cooja regression test simulation.
2013-03-10 11:40:08 -07:00
Oliver Schmidt 49ca10d540 Removed PFS code from C128 WGET.
On the C128 the custom PFS code doesn't add functionality (as it does with IDE64 support on the C64) but is "only" smaller than the POSIX file i/o code in the C library. But the stdio code in the C library (used in WGET for screen i/o) relies on the POSIX file i/o code anyway so there no point in additionally adding the PFS code to the WGET program.
2013-03-06 14:50:51 +01:00
Oliver Schmidt ea4fac679f Allow user to read the result of wget.
Several retro targets clear the screen after program termination so allow user to read the result.
2013-02-11 00:24:51 +01:00
Oliver Schmidt 7360444c94 Have the wget process allow the resolver process to initialize properly. 2013-02-01 00:10:03 +01:00
Adam Dunkels 944537fccf Removed all old RCS tags in the Contiki source tree. Those RCS tags are not used any more, as we are now using git to manage the Contiki source tree 2012-10-26 15:54:49 +02:00
Nicholas J Humfrey a561d20828 Converted u8_t to uint8_t and u16_t to uint16_t in the examples directory. 2012-02-21 08:33:25 -05:00
oliverschmidt a54c728b04 Made use of PROCESS_PAUSE(). 2010-10-31 22:43:06 +00:00
oliverschmidt c839eacbdf Added cc65 target 'atari' for Atari 8-bit machines. This addition was triggered by exsistence of http://www.atari8ethernet.com/. 2010-09-29 19:44:01 +00:00
oliverschmidt c602c61468 Activated Platform-specific File System (PFS) for the C64/C128 by default for all programs with R/W CFS access. 2010-07-22 10:30:12 +00:00
nifi b54c6e673b Updated API for uiplib and resolv to use uip_ipaddr_t instead of uint16_t for compability with IPv6 2010-05-31 15:22:08 +00:00
oliverschmidt d5f1b0be06 Some targets (i.e. the CBMs) don't echo the \n. Therefore print (additional) \n's. 2010-02-12 10:14:09 +00:00
oliverschmidt 116e98175c After a CTK wget and a shell wget finally a plain vanilla CLI wget. 2010-02-10 23:51:38 +00:00