Commit Graph

584 Commits

Author SHA1 Message Date
hidnplayr
1fc22f7bce Experimental support for MSG_PEEK and MSG_DONTWAIT in SOCKET_receive_stream.
git-svn-id: svn://kolibrios.org@3459 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-04-09 10:47:23 +00:00
hidnplayr
287ae5e937 Fixed previous revision.
git-svn-id: svn://kolibrios.org@3429 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-26 21:39:35 +00:00
hidnplayr
e53d005571 Added Atheros to netcfg vendor list.
git-svn-id: svn://kolibrios.org@3428 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-26 21:35:38 +00:00
hidnplayr
c9e26567fd Fixed wait_event call for tcp_input.
git-svn-id: svn://kolibrios.org@3407 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-23 16:46:22 +00:00
hidnplayr
4398dd7c40 Preparing to implement TCP reassembly queue.
Some cleanup of tcp_input and skip checksum recalculation for loopback segments. 

git-svn-id: svn://kolibrios.org@3406 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-23 14:02:38 +00:00
hidnplayr
372fe91892 Sync net branch with trunk
git-svn-id: svn://kolibrios.org@3405 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-23 11:56:23 +00:00
hidnplayr
3717c3370d Run TCP input code in a separate thread.
git-svn-id: svn://kolibrios.org@3389 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-18 21:04:15 +00:00
hidnplayr
de440713d1 Re-enabled network2 events.
git-svn-id: svn://kolibrios.org@3388 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-18 20:37:23 +00:00
hidnplayr
2ee8f5d296 Enabled Promiscuous mode for i8254x so it works in Qemu.
git-svn-id: svn://kolibrios.org@3387 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-18 17:23:05 +00:00
hidnplayr
57c2018158 ARP_BLOCK logic was reversed
git-svn-id: svn://kolibrios.org@3386 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-18 16:26:54 +00:00
hidnplayr
0d13375a81 Fixed RTL8139 driver broken in #3346
git-svn-id: svn://kolibrios.org@3385 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-18 16:08:48 +00:00
hidnplayr
33f74c34fd zeroconf was sending the wrong MAC address since #3340
git-svn-id: svn://kolibrios.org@3384 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-18 14:16:13 +00:00
hidnplayr
de654e7a3a Zeroconf now prints correct link-local IP to the debug board.
git-svn-id: svn://kolibrios.org@3367 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-12 13:23:08 +00:00
hidnplayr
71d9f3dce2 Zeroconfig: dont assume first received packet is the correct one.
Also fixed link-local IP assignment.

git-svn-id: svn://kolibrios.org@3361 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-11 17:17:07 +00:00
hidnplayr
a63322d121 ARP_BLOCK now lets you choose if ARP_IP_to_MAC should block or not.
git-svn-id: svn://kolibrios.org@3360 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-11 16:51:29 +00:00
hidnplayr
cc4161de83 Synced net branch with trunk (#3358)
git-svn-id: svn://kolibrios.org@3359 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-10 12:28:37 +00:00
hidnplayr
f7d75689e4 Fixed typo in ARP_IP_to_MAC (debug output displayed wrong IP)
git-svn-id: svn://kolibrios.org@3354 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-08 14:31:45 +00:00
hidnplayr
83754e005a MII: only include code when its actually used.
git-svn-id: svn://kolibrios.org@3351 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-07 21:04:18 +00:00
hidnplayr
c101fd199a PHY and link detection for PCnet32 driver (no watchdog yet), added general mii code for ethernet drivers.
git-svn-id: svn://kolibrios.org@3350 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-07 20:36:32 +00:00
hidnplayr
e4513c6c12 3c59x: enable RX/TX after enabling interrupts, not before.
git-svn-id: svn://kolibrios.org@3349 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-07 11:07:36 +00:00
hidnplayr
2c13dbe1c3 Netstat: redraw window on network subsystem event.
Kernel: send event when IP configuration changed.

git-svn-id: svn://kolibrios.org@3348 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-07 10:47:59 +00:00
hidnplayr
be4786e05f Fixed pcnet32 driver
git-svn-id: svn://kolibrios.org@3347 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-07 09:37:52 +00:00
hidnplayr
f685c27c07 Introduced new application event for network subsystem changes (link changed, ip changed, ...)
Removed get_mac and set_mac procedures from device structure, kernel does not need them.
Added link state detection capabilities for kernel and some drivers.

git-svn-id: svn://kolibrios.org@3346 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-07 09:35:24 +00:00
hidnplayr
8f48436569 Now Zeroconfig waits for driver to be initialised.
git-svn-id: svn://kolibrios.org@3340 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-06 11:15:28 +00:00
hidnplayr
487976c4f2 private chat support for IRCC
git-svn-id: svn://kolibrios.org@3337 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-05 20:42:09 +00:00
hidnplayr
8359c962a8 Updated readme.txt
git-svn-id: svn://kolibrios.org@3333 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-05 11:07:56 +00:00
hidnplayr
52f75a8646 Added missed and dumped TCP packet counters to netstat.
git-svn-id: svn://kolibrios.org@3332 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-05 10:52:13 +00:00
hidnplayr
336245620b Mostly cosmetical updates for IRCC
git-svn-id: svn://kolibrios.org@3331 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-05 10:44:36 +00:00
hidnplayr
6639a4a944 Stub for forcedeth driver.
git-svn-id: svn://kolibrios.org@3324 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-04 12:34:31 +00:00
hidnplayr
ea9bb80074 Tied 3c59x network driver to new interface.
git-svn-id: svn://kolibrios.org@3323 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-04 12:05:33 +00:00
hidnplayr
397fdefac7 Removed obsolete EthReceiver interface
git-svn-id: svn://kolibrios.org@3322 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-04 12:03:56 +00:00
hidnplayr
1b65aa6050 Fixed SOCKET_process_end (broken in #3264), Use mutexes for ring buffer reading/writing.
git-svn-id: svn://kolibrios.org@3307 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-01 19:08:37 +00:00
hidnplayr
e2df6e8111 Fixed stack corruption in TCP_input when TCP queue is full
git-svn-id: svn://kolibrios.org@3293 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-28 11:51:11 +00:00
hidnplayr
ba61873d0c Fixed unlocking of mutex in TCP_output.
git-svn-id: svn://kolibrios.org@3289 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-28 03:21:03 +00:00
hidnplayr
46d92cd305 Cleanup in TCP, fixed possible deadlock in TCP_input.
git-svn-id: svn://kolibrios.org@3275 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-26 20:17:02 +00:00
hidnplayr
82934c24f2 Updated network.inc for applications.
git-svn-id: svn://kolibrios.org@3272 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-25 12:15:01 +00:00
hidnplayr
4fe36c5853 Fixed bugs in TCP (crash when closing socket, crash when responding to segment that has no socket)
git-svn-id: svn://kolibrios.org@3270 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-24 17:12:10 +00:00
hidnplayr
7eb55c9625 Unblock a blocked socket before closing it.
git-svn-id: svn://kolibrios.org@3267 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-24 09:45:53 +00:00
hidnplayr
6b57089391 separate thread and process ID's for sockets.
git-svn-id: svn://kolibrios.org@3264 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-23 16:38:26 +00:00
hidnplayr
67f8bac00f PID fix for SOCKET_pair function.
git-svn-id: svn://kolibrios.org@3261 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-23 08:57:51 +00:00
hidnplayr
d12cb9e707 Re-applied some changes concerning local sockets. They were reverted by accident.
git-svn-id: svn://kolibrios.org@3259 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-19 17:06:46 +00:00
hidnplayr
89bfe5f5d6 Better blocking sockets, preparing for some API changes.
git-svn-id: svn://kolibrios.org@3257 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-19 16:56:54 +00:00
hidnplayr
4bceec50e4 Fixed some bugs with non-blocking local sockets.
git-svn-id: svn://kolibrios.org@3253 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-17 20:39:37 +00:00
hidnplayr
629fb2b3e1 Better TCP timestamp, fixed stack corruption if PAWS fails.
git-svn-id: svn://kolibrios.org@3252 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-17 19:43:01 +00:00
hidnplayr
72f758c218 Changed some debug output messages (and their levels) in new stack.
Implemented a queue for incoming TCP segments.

git-svn-id: svn://kolibrios.org@3251 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-17 17:58:53 +00:00
hidnplayr
8fc51dbddb Removed unused fields from netstat
git-svn-id: svn://kolibrios.org@3250 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-17 17:10:57 +00:00
hidnplayr
e68a03adef Removed non-working debug level specific for network stack.
git-svn-id: svn://kolibrios.org@3249 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-17 16:37:08 +00:00
johnfound
f18f91c208 kernel.asm back to #3238
git-svn-id: svn://kolibrios.org@3242 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-11 19:53:26 +00:00
johnfound
0d1c86e7bb Introduced new header version, that to serve STDIO through a IPC sockets mechanism. Some code cleanup and comments added.
git-svn-id: svn://kolibrios.org@3240 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-11 19:09:43 +00:00
hidnplayr
ad706e4a24 IRCc: do not redraw userlist, unless scrollbar actually moved.
git-svn-id: svn://kolibrios.org@3234 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-07 13:55:04 +00:00
hidnplayr
1373a38089 Added alphabetic sorting for users in IRCc
git-svn-id: svn://kolibrios.org@3233 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-07 13:29:24 +00:00
Sergey Semyonov (Serge)
5690f9671b kolibri-acpi: update
git-svn-id: svn://kolibrios.org@3232 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-07 09:10:30 +00:00
hidnplayr
6e6fb52d02 Added PCI ID's for ADMtek N100 to DEC21x4x driver.
git-svn-id: svn://kolibrios.org@3231 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-07 09:08:49 +00:00
hidnplayr
2222c3412c Forgot to set the PID in previous revision.
git-svn-id: svn://kolibrios.org@3229 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-05 17:24:15 +00:00
hidnplayr
14019f31f8 New function Socket_pair for UNIX (IPC) sockets.
git-svn-id: svn://kolibrios.org@3228 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-05 17:15:09 +00:00
hidnplayr
b7a4b76a9e Now IRCc will print messages to the correct window instead of just using the one that is opened.
git-svn-id: svn://kolibrios.org@3226 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-04 18:51:09 +00:00
hidnplayr
ff07ff5192 Better NICK command support, support for channels with many users.
git-svn-id: svn://kolibrios.org@3222 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-03 22:52:24 +00:00
hidnplayr
15cb7df159 Some more updates for userlist in IRCC.
git-svn-id: svn://kolibrios.org@3220 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-03 21:09:16 +00:00
hidnplayr
bd75afb87d Some GUI updates for IRCC.
git-svn-id: svn://kolibrios.org@3216 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-02 21:47:33 +00:00
hidnplayr
31434d0fa5 Fixed some more servercommands, made scrollbar for userlist functional.
git-svn-id: svn://kolibrios.org@3215 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-01 18:37:23 +00:00
hidnplayr
1632f80d55 Fixed JOIN and PRIVMSG commands for IRCc.
git-svn-id: svn://kolibrios.org@3214 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-01 15:18:31 +00:00
hidnplayr
d46e0f80ee Fixed bug in IRCC's serverparser.
git-svn-id: svn://kolibrios.org@3212 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-02-01 14:28:44 +00:00
hidnplayr
49fa77deae Sceletone for a BCM57xx driver. Only for the brave!
git-svn-id: svn://kolibrios.org@3211 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-31 22:00:20 +00:00
hidnplayr
49fed632cc Updated i8255x driver. Works but has some holes, uses only one receive descriptor. Use with caution.
git-svn-id: svn://kolibrios.org@3206 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-31 14:10:15 +00:00
hidnplayr
c4c2da3caa Updated PCI macros for network drivers.
git-svn-id: svn://kolibrios.org@3205 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-31 13:10:10 +00:00
hidnplayr
2d54529003 ARP will now wait for reply/timeout if it needed to send an ARP request packet.
git-svn-id: svn://kolibrios.org@3203 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-28 13:11:35 +00:00
hidnplayr
a52b2728a7 Some refactoring of DEC21x4x driver.
git-svn-id: svn://kolibrios.org@3201 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-27 20:13:23 +00:00
hidnplayr
a8ad5846a9 Updated API so applications can easily send ARP announcements, keep track of ARP conflicts.
Zeroconfig now supports padding option and sends ARP announcements if needed. Also some refactoring/cleanup.


git-svn-id: svn://kolibrios.org@3200 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-27 20:03:18 +00:00
hidnplayr
14192f7dba Fixed some PCI function macros for network cards.
(Now PCnet32 driver works again in VmWare)

git-svn-id: svn://kolibrios.org@3199 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-25 17:07:13 +00:00
hidnplayr
03cfe90034 Refactored PCnet driver. Omitted unnecessary copying of data.
git-svn-id: svn://kolibrios.org@3198 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-24 22:03:35 +00:00
hidnplayr
ac5091bcec Bugfix in PCnet driver.
git-svn-id: svn://kolibrios.org@3197 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-24 16:19:22 +00:00
Artem Jerdev (art_zh)
3fef9a66b5 SSE-moves
git-svn-id: svn://kolibrios.org@3195 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-23 00:06:59 +00:00
Artem Jerdev (art_zh)
b1147c3be7 Good-bye APM !
git-svn-id: svn://kolibrios.org@3194 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-22 22:47:49 +00:00
hidnplayr
2a1f846c07 Changed working title of network branch in kernel.asm.
git-svn-id: svn://kolibrios.org@3193 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-22 15:57:31 +00:00
hidnplayr
5959abc989 Stub for new IRC client.
git-svn-id: svn://kolibrios.org@3191 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-22 14:05:00 +00:00
hidnplayr
fbf1d3eec3 Syncing net branch with trunk.
git-svn-id: svn://kolibrios.org@3187 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-21 20:59:27 +00:00
hidnplayr
382dde4fed Added some experimental IPv6 code to net branch.
git-svn-id: svn://kolibrios.org@3185 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-18 14:32:05 +00:00
IgorA
0ab5d31ac7 correct import function names
git-svn-id: svn://kolibrios.org@3179 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-17 20:06:52 +00:00
Artem Jerdev (art_zh)
fd0e46d25e 16-bit rubbish cleaning
git-svn-id: svn://kolibrios.org@3176 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-17 00:08:55 +00:00
Artem Jerdev (art_zh)
9f98ff8ab6 -A: minor updates
git-svn-id: svn://kolibrios.org@3169 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-14 23:19:38 +00:00
Artem Jerdev (art_zh)
634c0e9aa4 -A: minor updates
git-svn-id: svn://kolibrios.org@3168 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-14 23:02:43 +00:00
Artem Jerdev (art_zh)
edb957dfa2 Good-bye VESA !
git-svn-id: svn://kolibrios.org@3163 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-11 17:03:03 +00:00
hidnplayr
d1a0247624 Fixed previous mistake.
git-svn-id: svn://kolibrios.org@3162 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-11 14:07:18 +00:00
hidnplayr
d0efc3d714 Actually release the TCP socket once it's closed.
git-svn-id: svn://kolibrios.org@3161 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-11 13:51:51 +00:00
hidnplayr
3341bc3ceb Refactored recent ARP code a bit.
git-svn-id: svn://kolibrios.org@3160 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-11 13:08:45 +00:00
hidnplayr
72dc4ba124 Kernel now automatically sends one gratuitous ARP once IP address has been set.
Also, fixed ARP stats.

git-svn-id: svn://kolibrios.org@3159 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-11 10:52:01 +00:00
hidnplayr
43ea83d5a4 Fixed bug in RTL8029 which led to crash after receiving TCP frame.
git-svn-id: svn://kolibrios.org@3158 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-11 10:45:19 +00:00
hidnplayr
8e9d5576fd Fixed autobuild
git-svn-id: svn://kolibrios.org@3156 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-10 17:39:29 +00:00
hidnplayr
efb37b3598 Replaced signed relative jumps with unsigned ones were needed.
(I must lose this bad habbit in 2013...)

git-svn-id: svn://kolibrios.org@3155 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-10 17:35:32 +00:00
hidnplayr
1dfb449935 Added VIA Rhine driver. Only tested on Rhine II cards.
git-svn-id: svn://kolibrios.org@3154 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-10 07:40:01 +00:00
hidnplayr
161e024c27 Fixed and refactored RTL8029/NE2000 driver. Some fine-tuning still needed.
git-svn-id: svn://kolibrios.org@3149 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-03 13:25:22 +00:00
hidnplayr
a62ea51291 Further fixing of ARP_add_entry. Now entries can be re-added if they were removed once before.
git-svn-id: svn://kolibrios.org@3148 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-31 14:21:41 +00:00
hidnplayr
f986b74d68 Fixed and simplified ARP_add_entry. (Previous versions worked only for one entry)
git-svn-id: svn://kolibrios.org@3147 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-31 13:04:38 +00:00
hidnplayr
2033224063 Added simple socket debugging tool.
Moved some TCP code to tcp_usreq.inc.

git-svn-id: svn://kolibrios.org@3146 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-30 20:31:11 +00:00
hidnplayr
9e043be92f Kill sockets when process crashes.
git-svn-id: svn://kolibrios.org@3145 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-30 10:06:53 +00:00
hidnplayr
949b920321 Added TCP_mss (max segment size) stub.
Bugfix in FTPD concerning data ports.

git-svn-id: svn://kolibrios.org@3144 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-29 22:22:10 +00:00
hidnplayr
14077f9230 Fixed TCP keepalive
git-svn-id: svn://kolibrios.org@3143 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-28 19:56:52 +00:00
Artem Jerdev (art_zh)
e626668c98 A-version of GMON
git-svn-id: svn://kolibrios.org@3007 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-11-05 20:19:33 +00:00
hidnplayr
ad6b39e045 Fixed bug in i8254x driver
git-svn-id: svn://kolibrios.org@2999 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-11-03 18:07:44 +00:00
hidnplayr
6e328be793 Fixed blocking in SOCKET_receive_tcp
git-svn-id: svn://kolibrios.org@2998 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-11-03 16:31:13 +00:00