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288 Commits

Author SHA1 Message Date
Andrew Bettison
a90c0156ed New DEBUG_MDPREQUESTS debug flag 
Use it to instrument the MDP_GETADDRS request, to investigate cause of
test 'dnaprotocol' fixture failure
 2012-07-04 10:32:38 +09:30
Andrew Bettison
72769e162b Replace overlay_render_sid_prefix() with alloca_tohex() 
To eliminate timebomb bugs caused by rotor wraparound
 2012-07-04 10:30:46 +09:30
Andrew Bettison
2c87039307 Replace overlay_render_sid() with alloca_tohex_sid() 
To eliminate timebomb bugs caused by rotor wraparound
 2012-07-03 17:59:30 +09:30
Andrew Bettison
b1c78f9fa3 Tighten up overlay socket initialisation and peer listing 2012-07-03 17:38:54 +09:30
gardners
02ca21a601 CHANGED DNA REPLY PACKET FORMAT BREAKING BACKWARDS COMPATIBILITY 
... as part of working on work on DNA helper callout facility.
(DNA replies now contain a token that can be used to match them
against DNA requests as a happy side-effect).
 2012-07-03 16:45:03 +09:30
Jeremy Lakeman
495de9e0ec Add more profiling instrumentation 2012-07-03 15:50:04 +09:30
Andrew Bettison
78a8aaca16 Code improvements while debugging 'dnaprotocol' tests 
Use ssize_t and size_t where required by system calls
More stringent checking of errors from system calls
Log the offset when writing to dummy interface file
Clean up many WHY/INFO/DEBUG statements
Convert many fprintf(stderr,...) to DEBUGF()
 2012-07-03 15:36:51 +09:30
Jeremy Lakeman
132d3a6f9b rename profiling structure 2012-07-02 16:04:00 +09:30
Jeremy Lakeman
e705696896 separate statistics gathering from the scheduler structure 2012-07-02 15:20:30 +09:30
Jeremy Lakeman
89566e4d3d Refactor how functions are scheduled or file handes are watched 2012-07-02 13:19:54 +09:30
Jeremy Lakeman
29cba17891 Fix rhizome transfers 2012-06-27 16:54:42 +09:30
Jeremy Lakeman
0ca4c16f39 Refactor node info to ignore stale responses without sending another request 2012-06-26 11:20:00 +09:30
gardners
c5d89a043d clean up debugging. 2012-06-26 09:25:42 +09:30
gardners
97cd8f5255 added code to time various servald functions and report periodic 
statistics.  Handles nested calls to correctly aportion call time
among children.
 2012-06-26 09:22:51 +09:30
gardners
b40a468276 Merge branch 'eventscheduler' 
Conflicts:
	monitor.c
	serval.h
 2012-06-25 16:50:23 +09:30
gardners
0c0e5b73e9 reduced debugging output. 2012-06-25 14:46:55 +09:30
Daniel O'Connor
3a606b7d91 Check the socket isn't too long before copying it to prevent a seg fault. 2012-06-25 14:01:50 +09:30
gardners
3b6a004cc9 new event scheduler almost working, but after a while can stop 
calling overlay_check_ticks alarm for some reason, which causes
queues to congest and bad things to generally happen.
 2012-06-22 17:30:21 +09:30
Daniel O'Connor
60512ad3e8 Fix build breakage. 2012-06-22 16:46:30 +09:30
gardners
5dc6d122a5 significant progress towards clean callback scheduler for poll() 
events and timed callbacks.
 2012-06-22 16:05:49 +09:30
gardners
8977142a30 fixed "timeout from MDP server" errors in node info output. 
added extra tests for node info.
 2012-06-21 16:36:38 +09:30
gardners
48a1d7e20f MDP socket name can now be changed by config option mdp.socket. 
DNA tests now passing again.
 2012-06-21 16:36:37 +09:30
gardners
fefe7d2e91 fixed dna query bugs and split wildcard query test into star and 
empty string versions.
 2012-06-21 16:36:37 +09:30
gardners
c3649c415f fixed a bug with DNA response generation. 2012-06-21 16:36:37 +09:30
gardners
374e4676a7 various simplifications of DNA reply generation and related code. 2012-06-21 16:36:37 +09:30
gardners
e5394dd143 added stubs for DNA lookup helper app (not yet complete). 
cleaned up some unused variables.
 2012-06-21 16:35:28 +09:30
gardners
8ea37af64d servald now can return arbitrary URIs in response to DNA requests. 2012-06-21 11:44:49 +09:30
Jeremy Lakeman
26f3966002 Ignore node info results from incorrect sid's 2012-05-25 09:55:56 +09:30
Jeremy Lakeman
43c7297a47 Sanity check on received packet 2012-05-24 17:33:15 +09:30
gardners
e1c30b8ed8 deprioritised peer list resolution so that rhizome doesn't 
back off at the sight of the first peer list enquiry.
 2012-05-22 17:40:11 +09:30
gardners
d2c811b4b4 further rhizome voice traffic detection hooks. 2012-05-22 14:15:19 +09:30
gardners
79ce37ec35 vomp calls should work again, and without the server blocking 
on the mdp_client_socket.
 2012-05-22 10:42:29 +09:30
gardners
62b400fe23 fixed "id peers" so that stale nodes disappear. 2012-05-22 06:36:32 +09:30
gardners
904663ef6c bandaid for hung servald processes. 
(real fix being worked on).
 2012-05-21 22:47:17 +09:30
Daniel O'Connor
9d07cccf8e Hide display of MDP socket name behind DEBUG_IO. 2012-05-21 16:18:09 +09:30
Daniel O'Connor
7cb980ab5c Don't discard return code from overlay_mdp_client_init. IMO this should be assert(mdp_client_socket != -1) though. 2012-05-21 11:09:45 +09:30
Andrew Bettison
189ecee4b9 Clean up over-use of WHY() in overlay_mdp.c 2012-05-20 16:06:32 +09:30
gardners
e38275067a more fixes and cleanups for dna lookup. 2012-05-18 13:44:15 +09:30
gardners
c9a58937ca other bug fixes and cleanups for "dna lookup" 2012-05-18 12:55:56 +09:30
gardners
844a480ae7 more trying to reuse socket addresses when stuck. 2012-05-17 13:14:16 +09:30
Andrew Bettison
881576212c Fix all trivial compiler warnings 2012-05-10 18:08:59 +09:30
Andrew Bettison
68cfa6218c Minor fix to WHY_perror() macro 2012-05-08 17:48:16 +09:30
Andrew Bettison
836f8332e8 Replace perror() with WHY_perror() 
Puts more diagnostics to Android log
 2012-05-08 14:53:34 +09:30
gardners
171eb75d48 fixed packet size calculation bug. 2012-05-07 16:50:49 +09:30
gardners
74634a5068 minor tweak to dna lookup. 2012-05-07 15:47:20 +09:30
gardners
081e1b64f9 take 2 at fixing dna lookup latency bug. 2012-05-07 15:40:15 +09:30
gardners
92691a82c9 make DNA lookups immediate-dispatch traffic. 2012-05-07 15:29:31 +09:30
gardners
7b520e7a49 fixed various bugs with priorty dispatch of voice traffic. 
some debug tweaking etc.
 2012-05-07 08:31:53 +09:30
gardners
f93ec055ca removed some debugging 2012-05-06 20:15:32 +09:30
gardners
eb8ffeb71f progress towards monitor interface for following calls. 2012-05-03 03:00:34 +09:30
gardners
14e4af6392 DNA replies now include name. "set did" now accepts name. 
Keyring now stores name. "node info resolvedid" now returns name.
 2012-05-01 14:38:09 +09:30
gardners
3ca1c9c2b6 only close client socket if it has already been opened. 2012-05-01 06:58:07 +09:30
gardners
77f2220134 removed silly call to client_done when sending every MDP message. 2012-05-01 06:50:57 +09:30
gardners
b335424cd5 improved debug output for when sendto fails. 2012-05-01 06:43:22 +09:30
gardners
6e9d9783b8 various measures to prevent stale MDP bindings from hanging around 
and causing pain.
 2012-05-01 06:10:47 +09:30
gardners
3276b33c73 disabled some debugging output. 2012-05-01 05:16:16 +09:30
gardners
70a0f9e4a1 changed client socket path to include both pid and 32-bit random 
value.  clutter should be constrained by the previous addition of
socket cleanup code.
 2012-04-30 20:07:22 +09:30
gardners
ae9ecd74c4 by default replace old MDP bindings instead of returning with an 
error.
 2012-04-30 15:45:07 +09:30
gardners
900bfab1e9 changed client sockets to use PID instead of random 32bit number. 
Means that bindings can be reused more easily, and directory doesn't
fill up with stale sockets so easily.
 2012-04-30 15:34:54 +09:30
gardners
8a7d3e44f3 fixed bug in getmyaddrs() introduced in making "id peers" work. 2012-04-30 06:53:10 +09:30
gardners
1ebe63a470 cleaned up some debug output introduced during previous bug fixes. 2012-04-30 06:25:54 +09:30
gardners
c3fe7ee8e3 "id peers" now returns something! 2012-04-30 06:16:03 +09:30
gardners
08cf7f9639 fixed some bugs in overlay mesh routing score calculation and 
selfannounce ack packet formats.  more remains to be done.
 2012-04-29 13:10:54 +09:30
gardners
92baae2a89 hopefully fixed acking of self-announcement frames when no route 
to node exists.
 2012-04-28 18:09:58 +09:30
gardners
c191f951fa added debug for termination of client socket path name. 2012-04-27 07:18:02 +09:30
gardners
3532e236d9 fixed relevant_bytes() bug for nodeinfo messages. 2012-04-26 15:47:37 +09:30
gardners
88ba56b68b work towards "node info" command, and renamed stop/start etc to 
drop node keyword, that in retrospect is not appropriate.
 2012-04-26 07:14:01 +09:30
gardners
0a3b415772 Further refinements to MDP_GETADDRS, and inserted code for peer 
list retrieval.
 2012-04-26 06:04:19 +09:30
gardners
35f231dcb0 preparation for allowing MDP_GETADDRS to return either local IDs, 
or SIDs of peers.
 2012-04-26 05:58:16 +09:30
gardners
3f81911e6f fixed bugs in MDP_GETADDRS, now returns multi-packet lists properly 
by setting the sub-ranges correctly.
 2012-04-26 05:54:14 +09:30
gardners
44a416b969 added "id self" command to get all local SIDs (BatPhone needs this) 2012-04-26 05:48:06 +09:30
gardners
98c3b72cf4 mdp based dna lookup works now, but lacks duplicate suppression. 2012-04-25 20:33:25 +09:30
gardners
0133ea972a fixed infinite loop when responding to DNA lookups. 2012-04-25 20:24:08 +09:30
gardners
a2880ada1e closer to dna lookup working via mdp. 
Bug to be fixed in sending replies.
 2012-04-25 20:14:56 +09:30
gardners
4972da1b58 dna lookup via mdp nearly working. 2012-04-25 15:55:04 +09:30
gardners
f8a1ffc4c9 dna lookup command line utility mostly done. Now to make server 
respond.
 2012-04-25 15:24:21 +09:30
gardners
cd00204893 sending voice packets should now result in their being marked 
as high priority (priority dispatch still outstanding).
 2012-04-25 14:35:44 +09:30
gardners
ac6271c715 voice packets get priority queued. getting ready for dna lookups 
via mdp.
 2012-04-25 14:35:44 +09:30
gardners
12be1e326e fixed unix domain socket "no buffer space" message (sockets 
are buffered on receive side, not send side).
 2012-04-24 21:09:27 +09:30
gardners
d9fd7ce33e tried to fix unix domain socket "no buffer space available" bug, 
but to no avail.
 2012-04-24 20:57:59 +09:30
gardners
c1191c779b enlarge MDP unix domain socket send buffers. 2012-04-24 15:27:59 +09:30
gardners
953e836ba6 fixed bug introduced in adding codec hints. 2012-04-23 13:55:17 +09:30
gardners
458ff3665b fixed poll/select issue that was causing 100% cpu utilisation on mac. 2012-04-22 20:15:57 +09:30
gardners
2a24f3e137 revamped mdp client unix domain socket system to use unique names 
so that multiple clients can connect to the same server.
(on linux we should use abstract name space unix domain sockets
 so that we never have stale socket files hanging around).
 2012-04-22 18:46:14 +09:30
gardners
c894d51c24 fixed type in client socket name. 2012-04-22 16:45:27 +09:30
gardners
56ab28b475 fixed a relevant_bytes calculation bug, and generally improved 
error handling.
 2012-04-22 08:25:48 +09:30
gardners
ead3e8cb95 cleaned out some debug info. 2012-04-22 06:29:10 +09:30
gardners
028b24261f fixed another relevant byte calculation bug. 2012-04-20 17:12:44 +09:30
gardners
971f402360 more fixing of relevant byte calculation. 2012-04-20 17:12:44 +09:30
gardners
44ad4db147 fixed MDP frame relevent byte calculation to work regardless of what 
weird alignment foo the compiler decides to do.
 2012-04-20 17:12:44 +09:30
gardners
a29a1283f7 More work towards integrating VoMP (creating unix domain socket 
interface for call control/audio handling).
 2012-04-19 21:54:36 +09:30
gardners
729ede461d Added hardwired MDP listener port for VoMP. 
Moved VoMP header material into serval.h for use.
 2012-04-19 07:34:12 +09:30
gardners
32ed614494 fixed remaining known issues with signed/crypted MDP such that 
MDP ping now works, and provides appropriate responses from local
and remote hosts, and the SIGNED or SIGNED and CRYPTED status can
be observed.
 2012-04-16 07:04:23 +09:30
gardners
e639d3d255 fixed bugs and completed implementation of storing SID:SAS mappings. 
Now to finish implementing verification process.
 2012-04-16 06:36:46 +09:30
gardners
e7e8b2d630 fixed bug in RFS size patching. 
A lot of debug output tweaks to track the problem down.
 2012-04-16 06:06:43 +09:30
gardners
caab3078e5 substantial work towards public key signing of MDP frames and 
the associated SID:SAS mapping cache and request packets.
 2012-04-15 03:17:36 +09:30
gardners
0c2de88337 token formatting change? 2012-04-15 00:04:22 +09:30
gardners
2581e9fe4c Revamped dequeuing of TXd frames. 
Now almost works (queues don't stay full of junk), although
mdp ping still gets a duplicate reply for 2-hop pings.
 2012-04-14 23:12:45 +09:30
gardners
2dab0e50d4 Fixed source/destination port switch bug fixed (though some issue 
remains)
 2012-04-14 14:20:49 +09:30
gardners
7c1f48c511 various debug cleanups 2012-04-14 13:56:53 +09:30
gardners
401da25a77 decrypting mdp frames now works, but there is something causing 
frames to be resent after decryption.
 2012-04-14 12:33:15 +09:30
gardners
79dc33b156 Work towards transparent decryption of MDP frames. 
Runs, just gets an error during decryption, like as though
keys or nonce were wrong.
 2012-04-14 12:17:46 +09:30
gardners
9398f94a22 Cleaned up debug output. 2012-04-14 09:39:14 +09:30
gardners
25a626a61e Fixed reply packet handling for built in echo port. 2012-04-14 09:33:29 +09:30
gardners
3b0fb3929d Added code to extract MDP frames from packets. 
source ports and decryption are currently not right.
 2012-04-14 08:15:29 +09:30
gardners
ca24513599 Work towards actually authcrypting MDP payloads. 
Not complete.
 2012-04-14 02:14:41 +09:30
gardners
5ac83f9ca1 Replaced use of HLR with keyring for phone number lookups and 
other functions.  Not yet tested.
 2012-04-13 09:25:03 +09:30
gardners
0b11389023 Fixed problem with null-termination of received addresses for 
unix domain socket connections.
 2012-03-29 20:45:07 +10:30
Andrew Bettison
a338c2f0f9 Refactor instance path handling 
- handle buffer limits when forming path names within instance dir
 - uniform use of serval_instancepath()
 2012-03-29 14:07:07 +10:30
Andrew Bettison
6f74393ea1 Replace bcmp() with memcmp() 2012-03-29 13:02:10 +10:30
gardners
942605d247 Removed some debugging, improved MDP PING client output. 2012-03-28 13:26:14 +10:30
gardners
3a0a62b780 Fixed source address of MDP echo frames when destination of echo 
request was broadcast (returns local address or all zeroes).
 2012-03-28 13:19:53 +10:30
gardners
6a50bbb024 MDP server can now pass received MDP frames to client. 2012-03-28 13:10:41 +10:30
gardners
8fbbdc5087 More work on MDP. 
Swapped functions of overlay_mdp_send() and overlay_mdp_dispatch()
to match normal socket operations and thus avoid programmer confusion.
 2012-03-28 11:28:04 +10:30
gardners
d3cd7714ac Further work on MDP - overlay_saw_mdp_frame() now looks for 
different MDP frame types, but does not yet do anything with the
MDP_TX frames which are the only valid MDP frame to be received
via a real network interface (in reality they are constructed from
the surrounding MDP type overlay frame).t
 2012-03-27 21:13:40 +10:30
gardners
5cc3283646 Cleaned up some debug output. 2012-03-27 19:50:31 +10:30
gardners
5c4918f5bd Added code to verify source address when sending MDP frames. 2012-03-27 19:45:39 +10:30
gardners
aa543e1766 Various fixes and work towards MDP ping working. 
MDP clients can now request the set of local addresses.
Framework is improved to avoid info leaks by sending more bytes
in an MDP frame than are necessary, but without having to bzero
almost 2KB each time.
 2012-03-27 19:25:38 +10:30
Andrew Bettison
84b24b9918 Remove use of (struct sockaddr_un).sun_len field (BSDism only available on Apple) 2012-03-26 15:02:42 +10:30
gardners
13d1d3084e Various fixes to track down memory handling bugs. 
Fixed one free-before-time bug with queuing MDP frames.
Some heap corruption bug seems to remain.
 2012-03-22 16:33:25 +10:30
gardners
c7dd475d50 Further work on MDP, including dispatching low-priority data when 
it can fit in frames.  A nasty bug in queue code needs fixing.
Also, we only send tick frames at present, and need to add code
for dispatching packets at other times (bandwidth allowance permitting).
So the whole bandwidth management code needs to get finished.
 2012-03-22 08:26:19 +10:30
gardners
2d63e91c96 More work on preparing packet payloads for enqueing MDP frames. 
Also errors for unimplemented crypto modes.
 2012-03-21 13:08:08 +10:30
gardners
30e2540470 Various fixes and work towards sending MDP frames. 
Broadcast and unicast addresses are accepted.  Some frame headers
are set.  Payload is yet to be set, and ciphered &/or signed as required,
and queueing is not yet verified.
 2012-03-21 12:57:24 +10:30
gardners
c71ddbbd18 MDP ping getting closer: ping loop showing server-returned error 
messages now works.  Server currently reports error when trying to
send MDP_TX frames (since it is not yet implemented), which the
client successfully displays. Onto making the server handle the
MDP_TX frames.
 2012-03-21 03:55:13 +10:30
gardners
6e3fe903d9 Improved shutdown behaviour to properly handle client mode (don't 
delete server socket if you are a client).  Also added main MDP
ping loop of sending packets.  Reading returned packets not yet
implemented.  Server handling of MDP_TX packets also not yet
implemented.
 2012-03-21 03:27:47 +10:30
gardners
9d4e9f80ed Modified overlay_mdp_dispatch() to return reply MDP frame. 2012-03-21 03:07:29 +10:30
gardners
7ee72b3cba Further work on MDP. Client now receives server replies. So we 
can actually bind an MDP port.  Next step is to make use of it to
send a packet.
 2012-03-21 03:00:39 +10:30
gardners
2bfb6eb569 Added verification that replies come from MDP server 
(including dealing with when the server is referenced via a
symlink, and verification by inode/dev is required)
 2012-03-21 02:44:36 +10:30
gardners
67c4577b55 MDP replies almost working, and thus port binding almost working. 
Just need to add sender verification check, i.e., that it was the
MDP server that replied, and interpret the reply.
 2012-03-21 01:36:52 +10:30
gardners
8e6f6ee925 Work towards getting MDP working. Still some fun and games with 
getting unix domain sockets to play nicely.  Some superfluous debug
code is present while working this through.
 2012-03-20 17:11:58 +10:30
gardners
5fe959f033 Fixed reading of unix domain socket connections to provide a large 
enough buffer to get the full socket name of the sending party.
 2012-03-20 09:15:08 +10:30
gardners
8884339e31 MDP client socket gets bound to name before sending frame, and 
socket file gets deleted when exiting.  MDP server doesn't seem
to be able to reply to packets yet -- that's next on the queue to
fix.
 2012-03-19 16:35:49 +10:30
gardners
3991c3eff4 MDP Server now begins to look at received packets, and send error 
message back to client if required.
 2012-03-19 16:23:05 +10:30
gardners
70497df7b5 More work on MDP. Removed some debug fluff. 
Added framework for MDP ping, and some work towards MDP port binding
and sending packets with option to wait for reply.  MDP server
doesn't yet support port binding, and client doesn't yet support
reading replies.
 2012-03-19 16:06:34 +10:30
gardners
f43143bd0f Added code to remove stale unix domain socket files on startup and 
shutdown.
 2012-03-19 09:43:11 +10:30
gardners
46599269d7 fixed socket type from TCP to UDP. 2012-03-17 22:31:48 +10:30
gardners
f384e6ea79 Further preparatory work for MDP. Next stop is actually checking 
for inbound MDP connection requests on the unix domain sockets.
 2012-03-17 13:02:09 +10:30
gardners
348c5ebcf3 Added Mesh Datagram Protocol (MDP) source file and initial work. 
Added overlay_mdp.c to Makefile.in, and also trans_cache.c which
had not yet been added.
 2012-03-17 09:28:48 +10:30