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526 Commits

Author SHA1 Message Date
Andrew Bettison
3433b0fbb5 Move is_sid_broadcast() and is_sid_any() macros into serval.h 
From overlay_mdp.c.  is_sid_broadcast() was defined as is_broadcast().

Also clean up the signature and implementation of is_all_matching().
 2012-10-09 13:49:23 +10:30
Jeremy Lakeman
275aa49903 Change route announcement format, add please explain support 2012-10-09 12:57:11 +10:30
Andrew Bettison
89343c69cd Merge branch 'rhizomedirect' into 'master' 2012-10-05 17:45:30 +09:30
Jeremy Lakeman
48c9a7067e keyring_get_nm_bytes doesn't need to know about port numbers 2012-10-05 09:14:24 +09:30
Jeremy Lakeman
32cd46c165 Simplify id peers command, hide mdp implementation details from node info 2012-10-03 16:21:06 +09:30
Jeremy Lakeman
b72c01518b Move SAS key storage into subscriber structure 2012-10-03 13:59:46 +09:30
Jeremy Lakeman
fa7719fbe8 Write simple vomp console client 2012-09-28 15:23:50 +09:30
Jeremy Lakeman
2a7bd28e51 Extend packet queue to allow sending multiple copies of the same payload for reliability 2012-09-28 11:28:01 +09:30
Andrew Bettison
14721fab19 Merge branch 'solaris' into rhizomedirect 
All test cases pass on Solaris (see issue #16) except the 'jni' tests because
there is no Java compiler available on Solaris, and the new 'rhizomeprotocol'
tests from the rhizomedirect branch, which have always failed.
 2012-09-27 17:38:16 +09:30
Jeremy Lakeman
ac3864ff20 Reuse command line parsing framework with monitor interface 2012-09-25 13:31:34 +09:30
Jeremy Lakeman
b7c088f2fd Reduce latency of dummy interface, improve some debug messages 2012-09-20 10:28:02 +09:30
Jeremy Lakeman
0538e95be8 Reduce the potential for packet storms 2012-09-20 10:28:01 +09:30
Jeremy Lakeman
7c73ca7a78 Finish test and implementation of directory service 2012-09-18 12:30:15 +09:30
Jeremy Lakeman
e854409e0b Start dna helper immediately (it's convenient for starting another service) 2012-09-18 12:24:33 +09:30
Jeremy Lakeman
ac8d9b93e6 Add stub directory service 2012-09-14 11:50:45 +09:30
Jeremy Lakeman
6483d9e0ae Split client mdp functions so they can be built separately 2012-09-14 11:47:48 +09:30
Jeremy Lakeman
3b55643b08 Send my full sid periodically for any outgoing payload header 2012-09-07 10:01:34 +09:30
gardners
d3f5c6e598 Merged rhizome direct httpd back into main rhizome httpd server. 
bundles can be imported via HTTP POST multi-part form. #9
 2012-09-06 13:21:13 +09:30
Paul Gardner-Stephen
bba6839656 Initial stab at porting to Solaris. 
It compiles without warning (with CC=gcc) but doesn't link
because NaCL doesn't build yet.
 2012-09-05 20:42:50 +09:30
Jeremy Lakeman
545c05fddb Relay broadcast payloads via olsr plugin 2012-09-01 12:41:50 +09:30
Jeremy Lakeman
1b91724da2 Allow for interfaces that don't tick, pack rhizome manifests into all packets 2012-09-01 12:18:39 +09:30
Jeremy Lakeman
e05806f25e Separate routing calculation from resulting rules, refactor more code to use subscriber structure 2012-08-31 15:11:18 +09:30
Jeremy Lakeman
f6c899e107 Refactor overlay buffer interface to support simple parsing 2012-08-31 15:03:07 +09:30
Jeremy Lakeman
22c6b530ed Rework broadcast address handling, working towards a unified address struct 2012-08-31 15:03:07 +09:30
Jeremy Lakeman
aa5706f9d7 Refactor routing node information to use new subscriber tree 2012-08-31 15:03:07 +09:30
Jeremy Lakeman
30d5ed2b6d Simple refactoring 2012-08-31 15:03:07 +09:30
gardners
9d2aa61792 Refactoring of Rhizome http server code so that we can supply a 
different request parser, but otherwise share code between
rhizome transfers and rhizome direct. #9
 2012-08-31 13:01:28 +09:30
gardners
bde9d1c56a Rhizome http server now allows specification of client socket callback 
when starting, so that same server code can be shared for rhizome transfers
and rhizome direct. #9
 2012-08-31 13:01:28 +09:30
gardners
2b29893a02 Initial work towards rhizome direct syncrhonisation functions #9 2012-08-31 12:58:37 +09:30
Daniel O'Connor
e7201963d0 Staticise a bunch of functions so I get some understanding of what is needed where. 2012-08-31 12:13:20 +09:30
Andrew Bettison
27a0a6eeb5 Introduce struct __sourceloc 
Replaces (const char *file, unsigned int line, const char *function) arguments
to all logging functions, simplifies malloc/free tracking code in
overlay_buffer.c and Rhizome manifest alloc/free tracking in rhizome_bundle.c.

Use __HERE__ macro instead of (__FILE__, __LINE__, __FUNCTION__) everywhere.

Special __NOWHERE__ macro is equivalent to (NULL, 0, NULL).

Declare net.c functions in new "net.h" header, so log.c doesn't have to pull
in the entire "serval.h" just to use write_str().

Facilitates progress on issue #2.
 2012-08-23 12:31:07 +09:30
Andrew Bettison
d8fd9fa411 Refactor nanosleep(2) calls into sleep_ms() function 2012-08-21 13:35:33 +09:30
Jeremy Lakeman
1a468f23b6 Fix off by one bug in payload length storage 2012-08-16 16:25:20 +09:30
Andrew Bettison
eec8fb6e95 Improve SAS resolution debug messages 2012-08-14 14:06:59 +09:30
Jeremy Lakeman
dcb2da45fa Allow for audio to arrive in variable sized blocks 2012-08-13 16:35:30 +09:30
Jeremy Lakeman
3ab79d8e5b Pass phone numbers in vomp call initiation 2012-08-13 14:01:57 +09:30
Jeremy Lakeman
fd111a4d1f Listen to INADDR_ANY on OSX, otherwise we can't hear broadcasts 2012-08-09 13:32:08 +09:30
Jeremy Lakeman
f059546eb0 Improve monitor client interface and vomp for asterisk channel driver 2012-08-09 13:32:08 +09:30
Jeremy Lakeman
736a8f43c0 Refactor towards changing the vomp monitor interface 2012-08-09 13:32:08 +09:30
Jeremy Lakeman
fc9a9b337e Wait for vomp client to indicate that ringing has started 2012-08-09 13:30:52 +09:30
Andrew Bettison
12d8bc0c12 Use new typedef time_ms_t everywhere 2012-08-09 12:14:32 +09:30
Andrew Bettison
fd1da2df93 Fix bug that failed dnaprotocol multi-lookup test 2012-08-06 16:44:36 +09:30
Andrew Bettison
03da89225d Add xprintf() extensible stream formatter 
Use it to replace open_memstream(3) in logServalPacket() -- not available on
Mac OS X
 2012-08-03 16:44:05 +09:30
Andrew Bettison
ee6d9d8ea3 Fix logging in vomp.c 
Replace DEBUG_SIMULATION with DEBUG_VOMP

Replace all printf(...) and fprintf(stderr,...) with WHYF(...) and DEBUGF(...)

Make all debug logging conditional on DEBUG_VOMP
 2012-08-02 11:29:37 +09:30
Andrew Bettison
f37ec5af09 Reduce use of stderr in many places 
serval_packetvisualise() is now replaced by DEBUG_packet_visualise() which uses
logging system not stderr (so now it will appear in Android log).

Replaced several fprintf(stderr,...) with DEBUGF(...).

Command line only prints a full help message on "help" command -- a command
parse failure simply informs the user about the "help" command.
 2012-08-01 17:54:02 +09:30
Andrew Bettison
76cfb7beae Fix bug failed dnaprotocol tests non-deterministically 
Appending to the dummy interface file was altering the read offset position, so
very many receive packets were being lost.
 2012-07-31 17:49:24 +09:30
Andrew Bettison
b9396505f8 Remove some unused declarations 2012-07-30 16:15:42 +09:30
Andrew Bettison
f002f5b9fd Refactor log.h constants.h serval.h 
Move DEBUG_ and LOG_LEVEL_ macro constants from constants.h into log.h.

Move dumpResponses() out of log.c, so that log.h is almost ready for re-use
(still depends on conf.h).

Remove unused and now obsolete catv() function -- replaced with toprint()
and alloca_toprint().

Add copyright/licence comments, fix up some copyright attributions.

Add #ifndef..#define..#endif __SERVALD_FOO_H to header files: log.h serval.h
constants.h
 2012-07-30 16:15:42 +09:30
Daniel O'Connor
fd1f91db8d Refactor unix domain socket naming to a separate file instead. 
Handle selection between normal & abstract sockets in a single place.

overlay_mdp.c tried to have both but this seems like a bug so I've removed the second socket (needs tests).
 2012-07-30 11:19:25 +09:30
Daniel O'Connor
09d0fecf28 Remove carnal knowledge of conf.c from serval.h and commandline.c by providing a function to set the instance path override. 2012-07-29 18:58:41 +09:30
gardners
72f8b1916d minor fixes to get things building with monitor client library. 2012-07-29 12:44:04 +09:30
gardners
274a77fa46 Refactor serval.h to split out log, config and other bits so that 
we can have a standalone ServalD monitor client library and simple
header file.  Create that too.
 2012-07-29 12:42:27 +09:30
gardners
93449d380e various fixes for libmonitorclient and commits made by others 
inbetween. Hopefully I have captured all the changes.
 2012-07-29 12:35:53 +09:30
Andrew Bettison
3b1adc3a31 Add DEBUG_argv() and WHY_argv() macros 
Implemented usng new logArgv() function.

Refactored logMessage()
 2012-07-27 18:04:46 +09:30
Andrew Bettison
0dee99dec2 Remove old command-line support 2012-07-27 11:44:20 +09:30
Andrew Bettison
62d851f97c Improve DEBUG_GATEWAY debugging 
Rewrite all fprintf(stderr,...) to DEBUGF(...)

Improve error reporting from runCommand() and safeSystem(), make them local to
gateway.c
 2012-07-27 11:28:14 +09:30
Andrew Bettison
a69f637b3a Replace DEBUG_HLR with DEBUG_KEYRING 
Convert several fprintf(stderr,...) into DEBUGF() statements
 2012-07-27 11:26:19 +09:30
Andrew Bettison
a6a81a0f64 Improve server signal handling 
Use sigaction(2) instead of deprecated signal(2), allowing SEGV et al to be
received in handler and therefore in re-spawned server.

Receive SIGSEGV et al in a separate handler function which kills the server
with the same signal if it does not re-spawn.

Log a GDB backtrace on SEGV et al before exiting or respawning.

Rename config option "serval.respawn_on_signal" to "server.respawn_on_crash".
 2012-07-26 18:31:23 +09:30
Andrew Bettison
81cafe9d6f Improve log_backtrace() function 
Add BACKTRACE macro.  Improve gdb output buffering: log each line individually,
read progressively, reduce buffer size.  Log diagnostics if gdb cannot be run.
 2012-07-26 16:51:59 +09:30
Andrew Bettison
04b95d2590 Merge branch 'andrew' into 'master' 2012-07-25 18:04:16 +09:30
Andrew Bettison
2b57773472 Add log_backtrace() function 2012-07-25 17:02:57 +09:30
Jeremy Lakeman
6e7c2196ba Close interfaces on socket errors or when not detected 2012-07-25 16:53:44 +09:30
Jeremy Lakeman
74095e5356 Correctly display interface ip addresses on android 2012-07-25 14:53:53 +09:30
Jeremy Lakeman
5ec739c712 Add performance timing debug option 2012-07-25 13:33:30 +09:30
Andrew Bettison
6de247e576 Improve diagnosis of SEGV failures in tests 2012-07-24 15:39:36 +09:30
Andrew Bettison
f472ac9a8d Lots of 'dnahelper' tests, all pass but one 
Test fails because DNA helper logic does not yet impose a timeout on receiving
the "DONE" ACK after a request.
 2012-07-23 18:29:57 +09:30
Andrew Bettison
3e0f8df18a Fix bug in DID parsing, affects "set did" command 2012-07-23 15:17:21 +09:30
Andrew Bettison
30567c1d34 Start writing systematic 'dnahelper' tests 2012-07-23 12:23:17 +09:30
Andrew Bettison
0e5c5e0e98 More work on dnahelper, almost done 
Servald starts DNA helper, receives startup ACK, sends requests, receives
responses, handles malformed helper responses, echoes dnahelper stderr lines to
log, sends MDP reply packet, waits for dead helper process, all asynchronously.
Shuts down helper process during servald shutdown.

Remaining issues:
 - Does not impose a timeout on helper responses.
 - Only the first URI is reported by the "dna lookup" command.
 2012-07-20 18:17:43 +09:30
Andrew Bettison
3b44bb6e58 More progress on dnahelper 2012-07-19 17:59:45 +09:30
Andrew Bettison
5aac5a3854 Unfinished dnahelper implementation 2012-07-18 19:16:30 +09:30
Jeremy Lakeman
87515d5dda Allow a frame buffer to wrap an existing buffer 2012-07-18 14:43:14 +09:30
Jeremy Lakeman
fdc70d7512 Log when a peer becomes reachable or unreachable, edit tests to wait for this message 2012-07-17 18:22:39 +09:30
Jeremy Lakeman
6f12edd7a8 Fix compiler warning 2012-07-17 15:59:06 +09:30
Jeremy Lakeman
1d53726b7b Merge remote-tracking branch 'origin/master' 
Conflicts:
	rhizome_fetch.c
	rhizome_http.c
	testframework.sh
 2012-07-17 15:39:55 +09:30
Jeremy Lakeman
ddba8033e4 Refactor packet envelope and sid abbreviation reading and writing 2012-07-17 15:30:50 +09:30
Andrew Bettison
dd225bbb7f Refactor rhizome HTTP response headers 2012-07-13 12:31:10 +09:30
Jeremy Lakeman
5e915bcc09 Schedule packet sending 2012-07-13 12:18:50 +09:30
Jeremy Lakeman
d36ba78afe Refactor packet construction and sending 2012-07-13 12:18:50 +09:30
Jeremy Lakeman
e9566de0af Fix payload length fields 2012-07-13 12:18:49 +09:30
Jeremy Lakeman
27c24f377e Add deadline time for alarm prioritisation 2012-07-13 12:18:45 +09:30
Jeremy Lakeman
35b4ba8594 Schedule interface ticks per interface 2012-07-13 12:13:46 +09:30
Andrew Bettison
41f3228300 Refactor rhizome HTTP request parsing 
Replace DEBUG_RHIZOMESYNC with DEBUG_RHIZOME_TX
 2012-07-13 11:06:10 +09:30
Andrew Bettison
dcf7209304 Add read_nonblock() function 
Deal with platforms where EWOULDBLOCK != EAGAIN
 2012-07-13 11:04:50 +09:30
Andrew Bettison
025ccad810 Replace DEBUG_DNAVARS with DEBUG_RHIZOME_RX 
Delete some obsolete HLR code
Mark DEBUG_HLR as deprecated
 2012-07-12 16:26:37 +09:30
Andrew Bettison
208a95a233 Replace validateSid() with str_is_subscriber_id() 2012-07-12 16:14:25 +09:30
Andrew Bettison
d111f763c7 Fix bugs revealed by 'rhizomeprotocol' test 
Was not transmitting actual HTTP server port in rhizome announcements, was
always transmitting port 4110.

When trying for a free HTTP server port, sometimes bind() succeeds but listen()
fails with EADDRINUSE, so new logic to deal with that.
 2012-07-12 12:10:59 +09:30
Andrew Bettison
a15a9146c3 Improve toprint() and alloca_toprint() 2012-07-11 14:17:53 +09:30
Andrew Bettison
e8eab5b27e Improve diagnostics from write_all(), write_nonblock() etc. 
Add toprint() function and alloca_toprint() macro.
 2012-07-10 19:57:56 +09:30
Andrew Bettison
7c2090e61c Improve error reports for write_str() etc. 
Now write_str(), write_nonblock(), write_all(), set_nonblock() etc. report the
file/line/function of their caller, rather than the function in net.c.  Done
using macros, similar in style to WHY() etc.
 2012-07-10 18:51:41 +09:30
Andrew Bettison
86eb482ed9 Replace macros with functions 
SET_NONBLOCKING(), SET_BLOCKING(), WRITE_STR() are now set_nonblock(),
set_block() and write_str() respectively, all of which log an error before
returning -1.  There are other useful methods: write_all() treats anything less
than all bytes written as an error; write_nonblock() treats EAGAIN and EINTR as
zero bytes written, and a combination: write_all_nonblock().
 2012-07-10 16:33:39 +09:30
Andrew Bettison
d2898ee22c Add output fields to 'keyring add' command 2012-07-06 13:17:53 +09:30
Andrew Bettison
735d9a42cc Clean up compile warnings and fix bugs 
In monitor_process_command() for "call" command, was not handling SID "*" case
properly, nor checking validity of hex SID.
 2012-07-06 10:14:39 +09:30
Jeremy Lakeman
7b8e82baea Refactor vomp call processing to reduce latency 2012-07-05 16:09:33 +09:30
Andrew Bettison
a80da50636 Finish rewriting configuration and logging code 
Fix endless recursion if error or debug logged while reading config file
Fix 'config del' logic
Log messages made before log file can be opened are buffered and written
once the file is open
Do not log to file in ANDROID version, just to Android's log system
 2012-07-05 14:59:50 +09:30
Andrew Bettison
ab64b08ceb Rewrite config file code 
Gets rid of rotor in confValueGet() and duplicate config file parsing code
Currently fails three tests
 2012-07-04 18:57:02 +09:30
Andrew Bettison
68ef34c119 Add 'id allpeers' command to facilitate testing 2012-07-04 12:06:15 +09:30
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
d72e4d20ea Fix compiler warnings 2012-07-03 18:00:52 +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
30d51f0314 Tighten up tests and code relating to peer discovery 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
3d39e92628 Setup scheduled alarm per vomp call and send keep alives 2012-07-03 15:50:05 +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
Andrew Bettison
8020ea3b74 Merge branch 'eventscheduler' into master 
Conflicts:
	commandline.c
	monitor.c
	overlay.c
	overlay_interface.c
	overlay_packetformats.c
	rhizome_fetch.c
	rhizome_http.c
	rhizome_packetformats.c
	serval.h
	server.c
	testdefs.sh
	testframework.sh
	tests/dnaprotocol
	tests/server
 2012-07-03 10:26:22 +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
Andrew Bettison
fc8df7d5d4 Config options for tick duration 2012-07-02 12:26:01 +09:30
Andrew Bettison
b368a3aab4 Add confValueGetInt64() function 2012-06-28 18:19:36 +09:30
Andrew Bettison
b9836af8a2 Fix debug logging in overlay_interface.c 
Also fix bug that closed the logfile when forking the server process.
 2012-06-28 17:34:21 +09:30
Andrew Bettison
9625190c6a Improve debug code: 
Debug bit mask is unsigned int everywhere.
Refactor DEBUG() macros a bit.
Add SERVALD_DEBUG_FILE env var to support test scripts.
Test defs put instance directories under $TFWVAR not $TFWTMP.
 2012-06-28 15:24:43 +09:30
Jeremy Lakeman
29cba17891 Fix rhizome transfers 2012-06-27 16:54:42 +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
Daniel O'Connor
271454aee3 Use WRITE_STR instead of writeLine. 
staticise a bunch of variables & functions in monitor-cli.c
 2012-06-25 16:24:33 +09:30
Andrew Bettison
c335310b45 Remove more obsolete and unused code 2012-06-25 15:40:35 +09:30
Andrew Bettison
67e2e98867 Expunge old DNA protocol code (cleans up warnings) 2012-06-25 15:37:11 +09:30
Andrew Bettison
a960ed4e8a Clean up compiler warning in monitor.c 2012-06-25 15:00:07 +09:30
Andrew Bettison
208b9c15fd Factor out rhizome_hex_to_bytes() and chartonybl() 2012-06-25 14:51:21 +09:30
gardners
d579693f3d added stats generation and summarisation to take place of older 
excessively chatty timing gathering.
 2012-06-25 14:35:55 +09:30
Jeremy Lakeman
5dcf274bc1 Only allow 2 duplicate audio packets 2012-06-25 11:38:07 +09:30
Daniel O'Connor
8d7b0d259f Add a compile time knob to disable timing checks (on by default now). 2012-06-22 20:40:29 +09:30
Andrew Bettison
a6ac6a4246 Improve servald logging 
Use 'logfile' config entry, fall back to stderr if absent or can't be opened
Replace fprintf(stderr,...) with DEBUGF() in dump() and dumpResponses()
 2012-06-22 17:19:14 +09:30
gardners
91bccec71d various fixes related to event scheduler. 
server main loop is now just fd_poll()
 2012-06-22 16:05:50 +09:30
gardners
f0ed4b2e52 debugging and related improvements for new event scheduler. 2012-06-22 16:05:50 +09:30
gardners
5dc6d122a5 significant progress towards clean callback scheduler for poll() 
events and timed callbacks.
 2012-06-22 16:05:49 +09:30
Andrew Bettison
274e5c007c Merge branch 'master' into andrew 
Conflicts:
	log.c
 2012-06-22 11:18:48 +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
01712ab67e monitor.socket config option added to allow multiple servald 
instances on the same machine without conflicting abstract namespace
unix domain sockets for monitor interface.
 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
dceeed8d35 more work on dna helper interface. 
Also added missing dna_helper.c file from previous changes.
moved sigpipe/sigio detection code to own file.
 2012-06-21 16:35:28 +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
6023cd4da2 moved timing check definitions to serval.h 2012-06-21 11:33:42 +09:30
Andrew Bettison
56cb12f507 Refactor rhizome db creation and execution functions 2012-06-12 18:12:36 +09:30
Andrew Bettison
b2ffc6e72c Merge branch 'master' into andrew 2012-06-12 11:56:50 +09:30
Andrew Bettison
7be0d9d00d Pass author SID parameters in binary, not hex 2012-06-08 18:32:14 +09:30
Andrew Bettison
637ef02f30 Add _selfsigned column to "rhizome list" output 
Add <pin,pin...> arg1 to "rhizome list" command, so it can open the keyring

Some tests in tests/rhizome fail
 2012-06-08 18:25:43 +09:30
Daniel O'Connor
86c5e6945f Don't force signedness for name in overlay_interface_register(). 
I can't see any point to forcing the signedness, it causes warnings on platforms with a signed-char by default.
 2012-06-08 17:01:50 +09:30
Daniel O'Connor
ea9993dc91 Fix detection on OSX and make detection smarter. 
- Fix lsif() on OSX.
- Make lsif() smarter and avoid non-broadcast and no AF_INET addresses.
- Don't run multiple interface detectors, run one at a time until one works.
- Factor out HAVE_IFADDRS_H code into a separate function into lsif.c with the other interface detection routines.
- Prefer HAVE_IFADDRS_H (random bias..)
 2012-06-08 16:36:33 +09:30
Andrew Bettison
7a71a521f8 Pass author SID parameters in binary, not hex 2012-06-08 15:27:15 +09:30
Daniel O'Connor
8882515d03 Fix compilation on OSX. 
- /proc/net/route is Linux only.
- lsif() will work anywhere SIOCGIFCONF is defined.
- Abstract namespace UNIX domain sockets are Linux only.
- Rework code to reduce indent levels.
 2012-05-28 15:00:54 +09:30
Andrew Bettison
bea9188cd5 Fix another manifest leak 
Add manifest alloc/free debug logging to help, 'debug.manifests' option
 2012-05-25 17:01:56 +09:30
Andrew Bettison
0ec3feaa29 Expunge setReason() 
Replace with WHY() or WHYF() everywhere

Improve logMessage() to handle file/line/function printing internally

Mainly so that log messages from manifest alloc/free in rhizome_bundle.c
can make it into the Android log
 2012-05-24 17:11:55 +09:30
Andrew Bettison
2f6f642a02 Improve log pathname trimming 2012-05-23 18:04:10 +09:30
Andrew Bettison
1af9125392 All rhizome database keys are uppercase hex 
FILES.id, MANIFESTS.id, FILEMANIFESTS.fileid, FILEMANIFESTS.manifestid
Named constants for hex and binary ID sizes
 2012-05-23 16:04:00 +09:30
gardners
29bb86d9e7 first cut at supressing rhizome activity during calls. 2012-05-22 13:05:29 +09:30
gardners
e3a61f7614 improved WHY() macros to not show build path in messages. 2012-05-22 09:54:10 +09:30
gardners
e44294ea66 implemented server_probe(int *pid) that used monitor interface 
to probe server status.  Also returns PID if running (Linux only).
 2012-05-21 20:45:07 +09:30
Jeremy Lakeman
9adaf0bd8f Only repeat an audio payload once 2012-05-21 14:14:24 +09:30
gardners
27daf02f81 added peer announcment to monitor interface. 2012-05-21 12:47:54 +09:30
gardners
3ea6d4f324 monitor interface announces new peers. 2012-05-21 12:47:53 +09:30
Daniel O'Connor
990a8f3057 Add support for srtuct ucred on BSD. 
This requires building with _GNU_SOURCE to get access to struct ucred on Linux. Previously the test failed on every platform except glibc <2.8 or so.

Building with _GNU_SOURCE causes TRUE to be defined so we can't use this as a variable anymore, and MIN/MAX so don't define our own.
 2012-05-21 12:22:50 +09:30
Daniel O'Connor
354258c395 Rename timeout to dnatimeout as it conflicts with ncurses (which is dumb but we can't change ncurses) 2012-05-21 12:20:05 +09:30
Andrew Bettison
b739bfd572 Add catv() function 2012-05-21 00:08:31 +09:30
Andrew Bettison
189ecee4b9 Clean up over-use of WHY() in overlay_mdp.c 2012-05-20 16:06:32 +09:30
gardners
e870c35422 Added very crude multi-hop route determination. 2012-05-17 17:08:59 +09:30
gardners
d2949f1b05 Made VoMP audio packet stuffing limit configurable and larger 
so that we can test preemptive audio retransmission before we
implement any codecs.
 2012-05-16 11:52:22 +09:30
gardners
0eafc34970 BK encoding and decoding complete, but untested. 2012-05-15 20:04:41 +09:30
Andrew Bettison
f90b21ec78 Implement rhizome config options 
rhizome.datastore_path - if not set, reverts to serval instance path
rhizome.enable - if not set, defaults to true
 2012-05-15 12:56:10 +09:30
Andrew Bettison
7087afc404 Refactor main() into main.c 
Now dna.c only contains code for the old command line
 2012-05-15 11:09:21 +09:30
Andrew Bettison
d11258cefc Overhaul debug flags 
Config debug flags are now represented as individual items, eg:
   servald config set debug.verbose yes
   servald config set debug.rhizome yes
instead of aggregated, eg:
   servald config set debug verbose,rhizome  <-- no longer works

Added a debug flag "debug.all" that can be set and cleared, over which
individual flag sets/clears take priority.

Slimmed down dna.c by moving some globals and functions to the files where they
are used.

Default command line (help message) is now the new style, not the deprecated
style.
 2012-05-14 18:37:32 +09:30
Andrew Bettison
b02e9b9ac4 Overhaul rhizome datastore path code 
Create datastore directory and all parent dirs if it does not exist
More robust error checking and buffer overflow protection
New mkdirs() and mkdirsn() functions
 2012-05-14 18:37:32 +09:30
gardners
67e6c7ae2a fixed 10 pounds of potatoes in 5 pound sack (FUBAR) bug. 2012-05-14 16:24:58 +09:30
gardners
f0b72955d1 preparation for nacks for retransmission. 2012-05-14 15:44:36 +09:30
Andrew Bettison
e746557a08 Fix bug in overlay_gettime_ms() 
The sequence start time was only getting set in overlay_interface_init(), which
was not always called, or was called after overlay_gettime_ms() had already
been used.

Added FATALF(), FATAL() and FATAL_perror() macros.

Removed a bunch of debug statements no longer needed in monitor.c and server.c.
 2012-05-11 10:38:46 +09:30
gardners
7b82ccbd7b work on bypass-audio. 
CALLSTATUS monitor message has gained a field, thus changing
API for java side.
 2012-05-11 08:14:00 +09:30
Andrew Bettison
022e3289dd Quieten new compile warnings 2012-05-10 18:29:00 +09:30
Andrew Bettison
881576212c Fix all trivial compiler warnings 2012-05-10 18:08:59 +09:30
gardners
850d7b42d7 reworked shortcircuit audio code. 2012-05-10 16:58:57 +09:30
Andrew Bettison
b15e5cfee7 Improve debugging/logging macros 
Replace 'WHYRETNULL();' statements with 'return WHYNULL();'
Introduce DEBUG(), DEBUGF(), DEBUG_perror() and D macros
Add logMessage() and vlogMessage() functions
Implement setReason() using vlogMessage()
 2012-05-10 12:53:57 +09:30
gardners
8d2792ce74 substantial work towards playing audio on IDEOS/G1 type MSM chipset 
android phones directly from C to dramatically reduce latency.
 2012-05-10 03:47:18 +09:30
Andrew Bettison
d96d8ff8d6 Move signal handling to server.c 
Improve diagnostic messages from signal handler

For some reason, signal handler was not being set in server process when called
from main()
 2012-05-09 19:06:44 +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
596b20b5e8 interactive servald monitor cli command implemented. 2012-05-08 14:41:21 +09:30
Andrew Bettison
391e8d7056 Fix broken stopfile logic 
'start' command removes stopfile just before starting
'stop' command removes stopfile after stopping
 2012-05-08 12:53:59 +09:30
Andrew Bettison
329189ec8c Fix bodgy server start/stop logic 
Rename pidfile 'serval.pid' to 'servald.pid'
Rename stopfile 'doshutdown' to 'servald.stop'
Reinstate checking of stopfile on signals and in main loops
Correct delay loops in 'start' and 'stop' commands
Move some code from commandline.c to server.c
 2012-05-08 12:19:52 +09:30
Andrew Bettison
acc5e48f4f Terminate server process if serval.pid clobbered 2012-05-08 11:23:43 +09:30
Andrew Bettison
09f8434a21 Improve "start" command 
Add "start exec <exec path>" variants for background mode
Add background startup wait logic, so that pid can be reported to caller
 2012-05-07 19:14:52 +09:30
Andrew Bettison
cbc367b1f5 Rewrite server start/status/stop commands 
Now correctly probes for server process existence using kill(pid, 0)
Status command does not dump config (use "config get" instead)
Output uses JNI cli output fields
Stop command uses 5 Hz wakeup, not busy wait while server exits
 2012-05-07 13:49:38 +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
ad78627fb6 added PCM codec entry. 2012-05-06 21:12:31 +09:30
gardners
6bc8f5643f better handling of disconnections by monitor clients. 2012-05-04 03:58:34 +09:30
gardners
4f09ccebdc further work towards working monitor interface. 
sending DTMF works now, and DTMF packets are received back.
 2012-05-04 03:44:41 +09:30
gardners
98ea86bde0 added new /proc/net/route method to find interfaces on android 
(would you believe that using ifconfig to READ about interfaces
requires ROOT on android).
should also help for interfaces with multiple addresses.
 2012-05-03 22:46:00 +09:30
Andrew Bettison
eab6dafcc7 Make commandline.c error messages appear on Android log 2012-05-03 14:50:14 +09:30
gardners
25f81aeaaf fixed bug with cancelling calls due to lack of listeners. 
worked around poll() with accept() unix domain socket linux bug.
generally hooked in the unix domain stream socket interface for
monitoring calls (and later rhizome).
 2012-05-03 03:37:03 +09:30
gardners
eb8ffeb71f progress towards monitor interface for following calls. 2012-05-03 03:00:34 +09:30
gardners
d637f31ab7 work towards stream unix domain socket to allow Android/Java 
monitoring of call status and rhizome bundle arrivals.
 2012-05-03 02:31:12 +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
6e9d9783b8 various measures to prevent stale MDP bindings from hanging around 
and causing pain.
 2012-05-01 06:10:47 +09:30
gardners
c9863fe11e lots of fixes to get overlay mesh routing working on linux with 
real network interfaces and no dummy interfaces.  neighbour discovery
now seems to work.
 2012-04-29 11:56:47 +09:30
gardners
97c74654c1 fixed build error on centos/ubuntu linux. 2012-04-28 20:44:20 +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
2ab32197a7 Put new linux-specific interface listing routine in that is needed 
for android, where the portable method isn't easily available.
 2012-04-28 12:25:19 +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
35f231dcb0 preparation for allowing MDP_GETADDRS to return either local IDs, 
or SIDs of peers.
 2012-04-26 05:58:16 +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
f8a1ffc4c9 dna lookup command line utility mostly done. Now to make server 
respond.
 2012-04-25 15:24:21 +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
6c044d5e8d sample times are now contiguous. DTMF tone length changed to 80ms 
to be multiple of 20ms as used by most codecs.
 2012-04-25 05:38:45 +09:30
gardners
30471f19ef added system for resending recent samples as a form of 
preemptive retransmission to deal with wifi packet loss.
 2012-04-24 20:49:59 +09:30
Andrew Bettison
f9d8536d7d JNI-ize the output of "dna rhizome list" 2012-04-24 17:50:27 +09:30
gardners
131a34617f work towards pushing audio sample blocks out over the network. 2012-04-24 15:27:59 +09:30
gardners
53504fe694 Fixed function prototypes for JNI compatability. 2012-04-24 12:14:53 +09:30
gardners
03004bcfdc added vomp dtmf command line interface to inject DTMF characters 
into a call.  This will be the initial codec/audio xfer app.
 2012-04-24 12:06:28 +09:30
gardners
a553eb0942 added code to vomp monitor to show when audio packets arrive. 2012-04-24 12:04:49 +09:30
Daniel O'Connor
2188c807b2 Hook up dummy phone app to commandline.c 2012-04-23 20:58:28 +09:30
Andrew Bettison
a73916e85a Implement JNI command-line interface (untested) 
- argv is (const char *const *) everywhere, to avoid having to strdup() all the
  Java arg strings
- changed (char*) to (const char*) in lots of places to fix cascading compiler
  warnings as a result of argv constness
- fixed a bug in "config get" command when used without 'variable' arg
 2012-04-23 17:18:15 +09:30
gardners
71c57794e6 local/remote codec hinting now in place. 2012-04-23 16:59:39 +09:30
gardners
953e836ba6 fixed bug introduced in adding codec hints. 2012-04-23 13:55:17 +09:30
gardners
0cff6b5abf making a vomp call now requires a registerest listener to call 
state information.
when registering a listener you can also specify a list of codecs
that are supported.  These are included in the initial 3-way
call initiation process so that each party knows which codecs
the other supports.
 2012-04-23 13:30:22 +09:30
gardners
e8eaa32227 modified neighbour structure to include record of when route metrics 
were last updated, so that we can avoid excessive updating and thus
wasting of CPU/energy.
 2012-04-22 20:16:48 +09:30
gardners
76a1bec84e Added initial work towards a call status monitoring commandline 
option.
 2012-04-22 18:47:24 +09:30
gardners
29b8454a94 vomp pickup and hangup commandline apps in place and working. 2012-04-22 12:51:58 +09:30
gardners
f45288ccc1 vomp status now shows details for each live call descriptor. 2012-04-22 08:48:23 +09:30
gardners
9b409c2891 Got VoMP ticks to update call state running. 2012-04-21 21:21:26 +09:30
gardners
db68286426 Various VoMP state machinery fixes. Call can now progress to 
ringing at each end.
 2012-04-21 20:36:26 +09:30
gardners
6713ff67cb progress towards VoMP. State control stuff is still up the creek. 2012-04-21 09:07:36 +09:30
gardners
c8968bacef disabled paranoid malloc debugging 2012-04-20 19:26:08 +09:30
gardners
d843e59bd5 vomp status and vomp dial command line apps added. 
now debugging dial operation.
 2012-04-20 17:12:44 +09:30
gardners
c52e91ef46 added code to send VoMP notifications to local listeners and to the 
far end.  Ready to start making command line tools to enquire and
manipulate call state.
 2012-04-20 08:02:03 +09:30
gardners
ddeb316421 Added VOMPEVENT_CALLINFO MDP message flag to get info on 
specified call (if present), and summary of all valid calls
(session token + state)
 2012-04-20 05:44:51 +09:30
gardners
cbb4df7c11 Added call info enquiry MDP message. 2012-04-20 05:38:45 +09:30
gardners
ea372aece2 Added VoMP call-pickup message handling. 2012-04-20 05:25:48 +09:30
gardners
57be9bef32 Further work on VoMP. MDP message to create a call should now 
do something.
 2012-04-20 05:19:42 +09:30
gardners
b1a7ccd32f Further work on getting VoMP together. Added MDP messages to add 
and remove a client from being interested in the phone-call state.
 2012-04-19 21:54:37 +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
Andrew Bettison
2bfa0ee7d2 Tighten up command line parsing 
- add optional offset and limit args to rhizome list
- validate argument values
 2012-04-19 18:03:04 +09:30
gardners
e74e8056e0 Work towards VoMP audio handling (very preliminary) 2012-04-19 08:34:57 +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
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
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
c37d83bddd forwarding of overlay frames substantially in place, but requires 
testing.
 2012-04-14 10:56:03 +09:30
gardners
5f0fa352e3 Updated function prototype following fix for MDP echo port. 2012-04-14 09:38:55 +09:30
gardners
283b29af6b Improved packet tx and rx debugging and made it more logical. 2012-04-14 06:38:11 +09:30
gardners
167c59d50d Added debug option to suppress rhizome traffic to make it easier 
to see what is going on.
Similarly there is now a debug option to show outgoing packets.
 2012-04-14 06:26:20 +09:30
gardners
f972c988b9 Adding support for marking payloads as broadcast so that they can 
be directed to all interfaces if they are broadcast (previously
overlay mesh would "broadcast" to one semi-random interface only).
 2012-04-14 04:06:08 +09:30
gardners
ca24513599 Work towards actually authcrypting MDP payloads. 
Not complete.
 2012-04-14 02:14:41 +09:30
gardners
099e7ab118 Fixed searching for DIDs with wildcard with keyring. 
General improvements to handling identities from keyrings.
Fixed placing of DONE flag for each identity that a query
produces results as.
Various other fixes.
 2012-04-13 10:23:59 +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
7b8d78533d Added commandline interface to set a did. 
Re-enabled payload rotation in keyring PKRs.
Getting and setting dids now works.
keyring list displays SID:DID pairs.
 2012-04-12 23:16:25 +09:30
gardners
e0a385f200 Added functions for setting/changing DIDs and also for finding 
identities that have a given DID (no wildcard matching just yet).
 2012-04-12 17:18:28 +09:30
gardners
4ceefb26de Added new keytypes for keyring for Rhizome Secret and for storing 
DIDs (which are probably not normally secret, but keeping with
with an identity is a good thing, anyway).
 2012-04-12 17:01:25 +09:30
gardners
e89673ee89 Added command line access for simple keyring functions for testing. 
Creating keyring files works.
Writing PKR blocks seems more or less working, but we can't (yet)
read them back.
 2012-04-12 14:00:51 +09:30
gardners
f24d06517a Writing of identities and keys now much closer to happening. 2012-04-12 12:32:01 +09:30
gardners
8efb6fd497 Work towards being able to create a new identity. 
Still need to pack, crypt and store the resulting identity.
 2012-04-12 07:52:50 +09:30
gardners
9b51192144 More work on keyring management. Decrypting (but not verification) 
of PKRs is now more or less there.
 2012-04-12 07:52:50 +09:30
gardners
2b260402b5 Added keyring.c and begun work on routines to manipulate keyrings. 2012-04-10 12:56:32 +09:30
gardners
6127b25602 Added overlay frame type for identity enquiry (proving ownership 
of a signing key).
 2012-04-03 09:22:58 +09:30
Andrew Bettison
e87e80aee7 Create instance directory in "set" and "node start" 2012-03-29 15:03:17 +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
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
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
gardners
3e0e1bf7e3 Disabled extra verbose malloc debug stuff. 2012-03-22 17:15:51 +10:30
gardners
2b42f77ccf Fixed some bounds checking, and added some fairly rigorous memory 
handling debug aids. No known memory corruption bugs remain, I
think.
 2012-03-22 17:10:27 +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
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
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
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
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
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
b8d66bf19b Improved instance path handling so that there is a simple function 
to get the current instance path, regardless of how it was determined.
 2012-03-17 09:28:49 +10:30
gardners
9fb94fc877 More work on dna identity cache. 2012-03-15 10:57:38 +10:30
gardners
ec8a81c206 Rhizome now uses serval.conf to get rhizome database size limit. 2012-03-15 10:57:37 +10:30
gardners
2a2e520ef5 Various fixes and additions to enable "dna node start" and "dna node stop" 
command line options to work.
 2012-03-15 10:57:37 +10:30
Andrew Bettison
738b70b513 Test and fix ACTION_CREATEHLR idempotency code: 
- refactor hlrSid() to not return pointer to static buffer, take 3rd arg instead
 - introduce SID_STRLEN macro constant, use it everywhere
 - reformat some code for readability
 2012-03-14 12:00:54 +10:30
Andrew Bettison
f04a995c5c First cut at transaction caching to eliminate duplicate message deliveries 2012-03-13 16:35:14 +10:30
Jeremy Lakeman
172bdb61ed Add DNA name variable 2012-03-06 11:21:10 +10:30
gardners
1eb4c34015 Renamed mphlr.h to serval.h 
(also some temporary debugging has been added in some places)
 2012-02-23 12:45:42 +10:30