3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "clientserver.h"
25 #include "jmutexautolock.h"
27 #include "constants.h"
29 #include "materials.h"
32 #include "servercommand.h"
34 #include "content_mapnode.h"
35 #include "content_craft.h"
36 #include "content_nodemeta.h"
38 #include "serverobject.h"
40 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
42 class MapEditEventIgnorer
45 MapEditEventIgnorer(bool *flag):
54 ~MapEditEventIgnorer()
67 void * ServerThread::Thread()
71 DSTACK(__FUNCTION_NAME);
73 BEGIN_DEBUG_EXCEPTION_HANDLER
78 //TimeTaker timer("AsyncRunStep() + Receive()");
81 //TimeTaker timer("AsyncRunStep()");
82 m_server->AsyncRunStep();
85 //dout_server<<"Running m_server->Receive()"<<std::endl;
88 catch(con::NoIncomingDataException &e)
91 catch(con::PeerNotFoundException &e)
93 dout_server<<"Server: PeerNotFoundException"<<std::endl;
97 END_DEBUG_EXCEPTION_HANDLER
102 void * EmergeThread::Thread()
106 DSTACK(__FUNCTION_NAME);
108 BEGIN_DEBUG_EXCEPTION_HANDLER
110 bool enable_mapgen_debug_info = g_settings.getBool("enable_mapgen_debug_info");
113 Get block info from queue, emerge them and send them
116 After queue is empty, exit.
120 QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
124 SharedPtr<QueuedBlockEmerge> q(qptr);
130 Do not generate over-limit
132 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
133 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
134 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
135 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
136 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
137 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
140 //derr_server<<"EmergeThread::Thread(): running"<<std::endl;
142 //TimeTaker timer("block emerge");
145 Try to emerge it from somewhere.
147 If it is only wanted as optional, only loading from disk
152 Check if any peer wants it as non-optional. In that case it
155 Also decrement the emerge queue count in clients.
158 bool only_from_disk = true;
161 core::map<u16, u8>::Iterator i;
162 for(i=q->peer_ids.getIterator(); i.atEnd()==false; i++)
164 //u16 peer_id = i.getNode()->getKey();
167 u8 flags = i.getNode()->getValue();
168 if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
169 only_from_disk = false;
174 if(enable_mapgen_debug_info)
175 dstream<<"EmergeThread: p="
176 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
177 <<"only_from_disk="<<only_from_disk<<std::endl;
179 ServerMap &map = ((ServerMap&)m_server->m_env.getMap());
181 //core::map<v3s16, MapBlock*> changed_blocks;
182 //core::map<v3s16, MapBlock*> lighting_invalidated_blocks;
184 MapBlock *block = NULL;
185 bool got_block = true;
186 core::map<v3s16, MapBlock*> modified_blocks;
189 Fetch block from map or generate a single block
192 JMutexAutoLock envlock(m_server->m_env_mutex);
194 // Load sector if it isn't loaded
195 if(map.getSectorNoGenerateNoEx(p2d) == NULL)
196 //map.loadSectorFull(p2d);
197 map.loadSectorMeta(p2d);
199 block = map.getBlockNoCreateNoEx(p);
200 if(!block || block->isDummy() || !block->isGenerated())
202 if(enable_mapgen_debug_info)
203 dstream<<"EmergeThread: not in memory, loading"<<std::endl;
205 // Get, load or create sector
206 /*ServerMapSector *sector =
207 (ServerMapSector*)map.createSector(p2d);*/
209 // Load/generate block
211 /*block = map.emergeBlock(p, sector, changed_blocks,
212 lighting_invalidated_blocks);*/
214 block = map.loadBlock(p);
216 if(only_from_disk == false)
218 if(block == NULL || block->isGenerated() == false)
220 if(enable_mapgen_debug_info)
221 dstream<<"EmergeThread: generating"<<std::endl;
222 block = map.generateBlock(p, modified_blocks);
226 if(enable_mapgen_debug_info)
227 dstream<<"EmergeThread: ended up with: "
228 <<analyze_block(block)<<std::endl;
237 Ignore map edit events, they will not need to be
238 sent to anybody because the block hasn't been sent
241 MapEditEventIgnorer ign(&m_server->m_ignore_map_edit_events);
243 // Activate objects and stuff
244 m_server->m_env.activateBlock(block, 3600);
249 /*if(block->getLightingExpired()){
250 lighting_invalidated_blocks[block->getPos()] = block;
254 // TODO: Some additional checking and lighting updating,
259 JMutexAutoLock envlock(m_server->m_env_mutex);
264 Collect a list of blocks that have been modified in
265 addition to the fetched one.
269 if(lighting_invalidated_blocks.size() > 0)
271 /*dstream<<"lighting "<<lighting_invalidated_blocks.size()
272 <<" blocks"<<std::endl;*/
274 // 50-100ms for single block generation
275 //TimeTaker timer("** EmergeThread updateLighting");
277 // Update lighting without locking the environment mutex,
278 // add modified blocks to changed blocks
279 map.updateLighting(lighting_invalidated_blocks, modified_blocks);
282 // Add all from changed_blocks to modified_blocks
283 for(core::map<v3s16, MapBlock*>::Iterator i = changed_blocks.getIterator();
284 i.atEnd() == false; i++)
286 MapBlock *block = i.getNode()->getValue();
287 modified_blocks.insert(block->getPos(), block);
291 // If we got no block, there should be no invalidated blocks
294 //assert(lighting_invalidated_blocks.size() == 0);
300 Set sent status of modified blocks on clients
303 // NOTE: Server's clients are also behind the connection mutex
304 JMutexAutoLock lock(m_server->m_con_mutex);
307 Add the originally fetched block to the modified list
311 modified_blocks.insert(p, block);
315 Set the modified blocks unsent for all the clients
318 for(core::map<u16, RemoteClient*>::Iterator
319 i = m_server->m_clients.getIterator();
320 i.atEnd() == false; i++)
322 RemoteClient *client = i.getNode()->getValue();
324 if(modified_blocks.size() > 0)
326 // Remove block from sent history
327 client->SetBlocksNotSent(modified_blocks);
333 END_DEBUG_EXCEPTION_HANDLER
338 void RemoteClient::GetNextBlocks(Server *server, float dtime,
339 core::array<PrioritySortedBlockTransfer> &dest)
341 DSTACK(__FUNCTION_NAME);
344 TimeTaker timer("RemoteClient::GetNextBlocks", &timer_result);*/
347 m_nothing_to_send_pause_timer -= dtime;
349 if(m_nothing_to_send_pause_timer >= 0)
352 m_nearest_unsent_reset_timer = 0;
356 // Won't send anything if already sending
357 if(m_blocks_sending.size() >= g_settings.getU16
358 ("max_simultaneous_block_sends_per_client"))
360 //dstream<<"Not sending any blocks, Queue full."<<std::endl;
364 //TimeTaker timer("RemoteClient::GetNextBlocks");
366 Player *player = server->m_env.getPlayer(peer_id);
368 assert(player != NULL);
370 v3f playerpos = player->getPosition();
371 v3f playerspeed = player->getSpeed();
372 v3f playerspeeddir(0,0,0);
373 if(playerspeed.getLength() > 1.0*BS)
374 playerspeeddir = playerspeed / playerspeed.getLength();
375 // Predict to next block
376 v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
378 v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
380 v3s16 center = getNodeBlockPos(center_nodepos);
382 // Camera position and direction
383 v3f camera_pos = player->getEyePosition();
384 v3f camera_dir = v3f(0,0,1);
385 camera_dir.rotateYZBy(player->getPitch());
386 camera_dir.rotateXZBy(player->getYaw());
388 /*dstream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
389 <<camera_dir.Z<<")"<<std::endl;*/
392 Get the starting value of the block finder radius.
395 if(m_last_center != center)
397 m_nearest_unsent_d = 0;
398 m_last_center = center;
401 /*dstream<<"m_nearest_unsent_reset_timer="
402 <<m_nearest_unsent_reset_timer<<std::endl;*/
404 // This has to be incremented only when the nothing to send pause
406 m_nearest_unsent_reset_timer += dtime;
408 // Reset periodically to avoid possible bugs or other mishaps
409 if(m_nearest_unsent_reset_timer > 10.0)
411 m_nearest_unsent_reset_timer = 0;
412 m_nearest_unsent_d = 0;
413 /*dstream<<"Resetting m_nearest_unsent_d for "
414 <<server->getPlayerName(peer_id)<<std::endl;*/
417 //s16 last_nearest_unsent_d = m_nearest_unsent_d;
418 s16 d_start = m_nearest_unsent_d;
420 //dstream<<"d_start="<<d_start<<std::endl;
422 u16 max_simul_sends_setting = g_settings.getU16
423 ("max_simultaneous_block_sends_per_client");
424 u16 max_simul_sends_usually = max_simul_sends_setting;
427 Check the time from last addNode/removeNode.
429 Decrease send rate if player is building stuff.
431 m_time_from_building += dtime;
432 if(m_time_from_building < g_settings.getFloat(
433 "full_block_send_enable_min_time_from_building"))
435 max_simul_sends_usually
436 = LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
440 Number of blocks sending + number of blocks selected for sending
442 u32 num_blocks_selected = m_blocks_sending.size();
445 next time d will be continued from the d from which the nearest
446 unsent block was found this time.
448 This is because not necessarily any of the blocks found this
449 time are actually sent.
451 s32 new_nearest_unsent_d = -1;
453 s16 d_max = g_settings.getS16("max_block_send_distance");
454 s16 d_max_gen = g_settings.getS16("max_block_generate_distance");
456 // Don't loop very much at a time
457 if(d_max > d_start+1)
459 /*if(d_max_gen > d_start+2)
460 d_max_gen = d_start+2;*/
462 //dstream<<"Starting from "<<d_start<<std::endl;
464 bool sending_something = false;
466 bool no_blocks_found_for_sending = true;
468 bool queue_is_full = false;
471 for(d = d_start; d <= d_max; d++)
473 //dstream<<"RemoteClient::SendBlocks(): d="<<d<<std::endl;
476 If m_nearest_unsent_d was changed by the EmergeThread
477 (it can change it to 0 through SetBlockNotSent),
479 Else update m_nearest_unsent_d
481 /*if(m_nearest_unsent_d != last_nearest_unsent_d)
483 d = m_nearest_unsent_d;
484 last_nearest_unsent_d = m_nearest_unsent_d;
488 Get the border/face dot coordinates of a "d-radiused"
491 core::list<v3s16> list;
492 getFacePositions(list, d);
494 core::list<v3s16>::Iterator li;
495 for(li=list.begin(); li!=list.end(); li++)
497 v3s16 p = *li + center;
501 - Don't allow too many simultaneous transfers
502 - EXCEPT when the blocks are very close
504 Also, don't send blocks that are already flying.
507 // Start with the usual maximum
508 u16 max_simul_dynamic = max_simul_sends_usually;
510 // If block is very close, allow full maximum
511 if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
512 max_simul_dynamic = max_simul_sends_setting;
514 // Don't select too many blocks for sending
515 if(num_blocks_selected >= max_simul_dynamic)
517 queue_is_full = true;
518 goto queue_full_break;
521 // Don't send blocks that are currently being transferred
522 if(m_blocks_sending.find(p) != NULL)
528 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
529 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
530 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
531 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
532 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
533 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
536 // If this is true, inexistent block will be made from scratch
537 bool generate = d <= d_max_gen;
540 /*// Limit the generating area vertically to 2/3
541 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
544 // Limit the send area vertically to 2/3
545 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
551 If block is far away, don't generate it unless it is
557 // Block center y in nodes
558 f32 y = (f32)(p.Y * MAP_BLOCKSIZE + MAP_BLOCKSIZE/2);
559 // Don't generate if it's very high or very low
560 if(y < -64 || y > 64)
564 v2s16 p2d_nodes_center(
568 // Get ground height in nodes
569 s16 gh = server->m_env.getServerMap().findGroundLevel(
572 // If differs a lot, don't generate
573 if(fabs(gh - y) > MAP_BLOCKSIZE*2)
575 // Actually, don't even send it
581 //dstream<<"d="<<d<<std::endl;
584 Don't generate or send if not in sight
587 if(isBlockInSight(p, camera_pos, camera_dir, 10000*BS) == false)
593 Don't send already sent blocks
596 if(m_blocks_sent.find(p) != NULL)
603 Check if map has this block
605 MapBlock *block = server->m_env.getMap().getBlockNoCreateNoEx(p);
607 bool surely_not_found_on_disk = false;
608 bool block_is_invalid = false;
611 // Reset usage timer, this block will be of use in the future.
612 block->resetUsageTimer();
614 // Block is dummy if data doesn't exist.
615 // It means it has been not found from disk and not generated
618 surely_not_found_on_disk = true;
621 // Block is valid if lighting is up-to-date and data exists
622 if(block->isValid() == false)
624 block_is_invalid = true;
627 /*if(block->isFullyGenerated() == false)
629 block_is_invalid = true;
634 ServerMap *map = (ServerMap*)(&server->m_env.getMap());
635 v2s16 chunkpos = map->sector_to_chunk(p2d);
636 if(map->chunkNonVolatile(chunkpos) == false)
637 block_is_invalid = true;
639 if(block->isGenerated() == false)
640 block_is_invalid = true;
643 If block is not close, don't send it unless it is near
646 Block is near ground level if night-time mesh
647 differs from day-time mesh.
651 if(block->dayNightDiffed() == false)
658 If block has been marked to not exist on disk (dummy)
659 and generating new ones is not wanted, skip block.
661 if(generate == false && surely_not_found_on_disk == true)
668 Record the lowest d from which a block has been
669 found being not sent and possibly to exist
671 if(no_blocks_found_for_sending)
674 new_nearest_unsent_d = d;
677 no_blocks_found_for_sending = false;
680 Add inexistent block to emerge queue.
682 if(block == NULL || surely_not_found_on_disk || block_is_invalid)
684 //TODO: Get value from somewhere
685 // Allow only one block in emerge queue
686 //if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
687 // Allow two blocks in queue per client
688 if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
690 //dstream<<"Adding block to emerge queue"<<std::endl;
692 // Add it to the emerge queue and trigger the thread
695 if(generate == false)
696 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
698 server->m_emerge_queue.addBlock(peer_id, p, flags);
699 server->m_emergethread.trigger();
707 Add block to send queue
710 PrioritySortedBlockTransfer q((float)d, p, peer_id);
714 num_blocks_selected += 1;
715 sending_something = true;
720 //dstream<<"Stopped at "<<d<<std::endl;
722 if(no_blocks_found_for_sending)
724 if(queue_is_full == false)
725 new_nearest_unsent_d = d;
728 if(new_nearest_unsent_d != -1)
729 m_nearest_unsent_d = new_nearest_unsent_d;
731 if(sending_something == false)
733 m_nothing_to_send_counter++;
734 if((s16)m_nothing_to_send_counter >=
735 g_settings.getS16("max_block_send_distance"))
737 // Pause time in seconds
738 m_nothing_to_send_pause_timer = 1.0;
739 /*dstream<<"nothing to send to "
740 <<server->getPlayerName(peer_id)
741 <<" (d="<<d<<")"<<std::endl;*/
746 m_nothing_to_send_counter = 0;
749 /*timer_result = timer.stop(true);
750 if(timer_result != 0)
751 dstream<<"GetNextBlocks duration: "<<timer_result<<" (!=0)"<<std::endl;*/
754 void RemoteClient::SendObjectData(
757 core::map<v3s16, bool> &stepped_blocks
760 DSTACK(__FUNCTION_NAME);
762 // Can't send anything without knowing version
763 if(serialization_version == SER_FMT_VER_INVALID)
765 dstream<<"RemoteClient::SendObjectData(): Not sending, no version."
771 Send a TOCLIENT_OBJECTDATA packet.
775 u16 number of player positions
787 std::ostringstream os(std::ios_base::binary);
791 writeU16(buf, TOCLIENT_OBJECTDATA);
792 os.write((char*)buf, 2);
795 Get and write player data
798 // Get connected players
799 core::list<Player*> players = server->m_env.getPlayers(true);
801 // Write player count
802 u16 playercount = players.size();
803 writeU16(buf, playercount);
804 os.write((char*)buf, 2);
806 core::list<Player*>::Iterator i;
807 for(i = players.begin();
808 i != players.end(); i++)
812 v3f pf = player->getPosition();
813 v3f sf = player->getSpeed();
815 v3s32 position_i(pf.X*100, pf.Y*100, pf.Z*100);
816 v3s32 speed_i (sf.X*100, sf.Y*100, sf.Z*100);
817 s32 pitch_i (player->getPitch() * 100);
818 s32 yaw_i (player->getYaw() * 100);
820 writeU16(buf, player->peer_id);
821 os.write((char*)buf, 2);
822 writeV3S32(buf, position_i);
823 os.write((char*)buf, 12);
824 writeV3S32(buf, speed_i);
825 os.write((char*)buf, 12);
826 writeS32(buf, pitch_i);
827 os.write((char*)buf, 4);
828 writeS32(buf, yaw_i);
829 os.write((char*)buf, 4);
833 Get and write object data
839 For making players to be able to build to their nearby
840 environment (building is not possible on blocks that are not
843 - Add blocks to emerge queue if they are not found
845 SUGGESTION: These could be ignored from the backside of the player
848 Player *player = server->m_env.getPlayer(peer_id);
852 v3f playerpos = player->getPosition();
853 v3f playerspeed = player->getSpeed();
855 v3s16 center_nodepos = floatToInt(playerpos, BS);
856 v3s16 center = getNodeBlockPos(center_nodepos);
858 s16 d_max = g_settings.getS16("active_object_range");
860 // Number of blocks whose objects were written to bos
863 std::ostringstream bos(std::ios_base::binary);
865 for(s16 d = 0; d <= d_max; d++)
867 core::list<v3s16> list;
868 getFacePositions(list, d);
870 core::list<v3s16>::Iterator li;
871 for(li=list.begin(); li!=list.end(); li++)
873 v3s16 p = *li + center;
876 Ignore blocks that haven't been sent to the client
879 if(m_blocks_sent.find(p) == NULL)
883 // Try stepping block and add it to a send queue
888 MapBlock *block = server->m_env.getMap().getBlockNoCreate(p);
891 Step block if not in stepped_blocks and add to stepped_blocks.
893 if(stepped_blocks.find(p) == NULL)
895 block->stepObjects(dtime, true, server->m_env.getDayNightRatio());
896 stepped_blocks.insert(p, true);
897 block->setChangedFlag();
900 // Skip block if there are no objects
901 if(block->getObjectCount() == 0)
910 bos.write((char*)buf, 6);
913 //block->serializeObjects(bos, serialization_version); // DEPRECATED
920 Stop collecting objects if data is already too big
922 // Sum of player and object data sizes
923 s32 sum = (s32)os.tellp() + 2 + (s32)bos.tellp();
924 // break out if data too big
925 if(sum > MAX_OBJECTDATA_SIZE)
927 goto skip_subsequent;
931 catch(InvalidPositionException &e)
934 // Add it to the emerge queue and trigger the thread.
935 // Fetch the block only if it is on disk.
937 // Grab and increment counter
938 /*SharedPtr<JMutexAutoLock> lock
939 (m_num_blocks_in_emerge_queue.getLock());
940 m_num_blocks_in_emerge_queue.m_value++;*/
942 // Add to queue as an anonymous fetch from disk
943 u8 flags = BLOCK_EMERGE_FLAG_FROMDISK;
944 server->m_emerge_queue.addBlock(0, p, flags);
945 server->m_emergethread.trigger();
953 writeU16(buf, blockcount);
954 os.write((char*)buf, 2);
956 // Write block objects
963 //dstream<<"Server: Sending object data to "<<peer_id<<std::endl;
966 std::string s = os.str();
967 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
968 // Send as unreliable
969 server->m_con.Send(peer_id, 0, data, false);
972 void RemoteClient::GotBlock(v3s16 p)
974 if(m_blocks_sending.find(p) != NULL)
975 m_blocks_sending.remove(p);
978 /*dstream<<"RemoteClient::GotBlock(): Didn't find in"
979 " m_blocks_sending"<<std::endl;*/
980 m_excess_gotblocks++;
982 m_blocks_sent.insert(p, true);
985 void RemoteClient::SentBlock(v3s16 p)
987 if(m_blocks_sending.find(p) == NULL)
988 m_blocks_sending.insert(p, 0.0);
990 dstream<<"RemoteClient::SentBlock(): Sent block"
991 " already in m_blocks_sending"<<std::endl;
994 void RemoteClient::SetBlockNotSent(v3s16 p)
996 m_nearest_unsent_d = 0;
998 if(m_blocks_sending.find(p) != NULL)
999 m_blocks_sending.remove(p);
1000 if(m_blocks_sent.find(p) != NULL)
1001 m_blocks_sent.remove(p);
1004 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
1006 m_nearest_unsent_d = 0;
1008 for(core::map<v3s16, MapBlock*>::Iterator
1009 i = blocks.getIterator();
1010 i.atEnd()==false; i++)
1012 v3s16 p = i.getNode()->getKey();
1014 if(m_blocks_sending.find(p) != NULL)
1015 m_blocks_sending.remove(p);
1016 if(m_blocks_sent.find(p) != NULL)
1017 m_blocks_sent.remove(p);
1025 PlayerInfo::PlayerInfo()
1031 void PlayerInfo::PrintLine(std::ostream *s)
1034 (*s)<<"\""<<name<<"\" ("
1035 <<(position.X/10)<<","<<(position.Y/10)
1036 <<","<<(position.Z/10)<<") ";
1038 (*s)<<" avg_rtt="<<avg_rtt;
1042 u32 PIChecksum(core::list<PlayerInfo> &l)
1044 core::list<PlayerInfo>::Iterator i;
1047 for(i=l.begin(); i!=l.end(); i++)
1049 checksum += a * (i->id+1);
1050 checksum ^= 0x435aafcd;
1061 std::string mapsavedir,
1062 std::string configpath
1064 m_env(new ServerMap(mapsavedir), this),
1065 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
1066 m_authmanager(mapsavedir+"/auth.txt"),
1067 m_banmanager(mapsavedir+"/ipban.txt"),
1069 m_emergethread(this),
1071 m_time_of_day_send_timer(0),
1073 m_mapsavedir(mapsavedir),
1074 m_configpath(configpath),
1075 m_shutdown_requested(false),
1076 m_ignore_map_edit_events(false),
1077 m_ignore_map_edit_events_peer_id(0)
1079 m_liquid_transform_timer = 0.0;
1080 m_print_info_timer = 0.0;
1081 m_objectdata_timer = 0.0;
1082 m_emergethread_trigger_timer = 0.0;
1083 m_savemap_timer = 0.0;
1087 m_step_dtime_mutex.Init();
1090 // Register us to receive map edit events
1091 m_env.getMap().addEventReceiver(this);
1093 // If file exists, load environment metadata
1094 if(fs::PathExists(m_mapsavedir+"/env_meta.txt"))
1096 dstream<<"Server: Loading environment metadata"<<std::endl;
1097 m_env.loadMeta(m_mapsavedir);
1101 dstream<<"Server: Loading players"<<std::endl;
1102 m_env.deSerializePlayers(m_mapsavedir);
1107 dstream<<"Server::~Server()"<<std::endl;
1110 Send shutdown message
1113 JMutexAutoLock conlock(m_con_mutex);
1115 std::wstring line = L"*** Server shutting down";
1118 Send the message to clients
1120 for(core::map<u16, RemoteClient*>::Iterator
1121 i = m_clients.getIterator();
1122 i.atEnd() == false; i++)
1124 // Get client and check that it is valid
1125 RemoteClient *client = i.getNode()->getValue();
1126 assert(client->peer_id == i.getNode()->getKey());
1127 if(client->serialization_version == SER_FMT_VER_INVALID)
1131 SendChatMessage(client->peer_id, line);
1133 catch(con::PeerNotFoundException &e)
1141 dstream<<"Server: Saving players"<<std::endl;
1142 m_env.serializePlayers(m_mapsavedir);
1145 Save environment metadata
1147 dstream<<"Server: Saving environment metadata"<<std::endl;
1148 m_env.saveMeta(m_mapsavedir);
1159 JMutexAutoLock clientslock(m_con_mutex);
1161 for(core::map<u16, RemoteClient*>::Iterator
1162 i = m_clients.getIterator();
1163 i.atEnd() == false; i++)
1166 // NOTE: These are removed by env destructor
1168 u16 peer_id = i.getNode()->getKey();
1169 JMutexAutoLock envlock(m_env_mutex);
1170 m_env.removePlayer(peer_id);
1174 delete i.getNode()->getValue();
1179 void Server::start(unsigned short port)
1181 DSTACK(__FUNCTION_NAME);
1182 // Stop thread if already running
1185 // Initialize connection
1186 m_con.setTimeoutMs(30);
1190 m_thread.setRun(true);
1193 dout_server<<"Server: Started on port "<<port<<std::endl;
1198 DSTACK(__FUNCTION_NAME);
1200 // Stop threads (set run=false first so both start stopping)
1201 m_thread.setRun(false);
1202 m_emergethread.setRun(false);
1204 m_emergethread.stop();
1206 dout_server<<"Server: Threads stopped"<<std::endl;
1209 void Server::step(float dtime)
1211 DSTACK(__FUNCTION_NAME);
1216 JMutexAutoLock lock(m_step_dtime_mutex);
1217 m_step_dtime += dtime;
1221 void Server::AsyncRunStep()
1223 DSTACK(__FUNCTION_NAME);
1227 JMutexAutoLock lock1(m_step_dtime_mutex);
1228 dtime = m_step_dtime;
1232 ScopeProfiler sp(&g_profiler, "Server: selecting and sending "
1233 "blocks to clients");
1234 // Send blocks to clients
1241 //dstream<<"Server steps "<<dtime<<std::endl;
1242 //dstream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1245 JMutexAutoLock lock1(m_step_dtime_mutex);
1246 m_step_dtime -= dtime;
1253 m_uptime.set(m_uptime.get() + dtime);
1257 // Process connection's timeouts
1258 JMutexAutoLock lock2(m_con_mutex);
1259 ScopeProfiler sp(&g_profiler, "Server: connection timeout processing");
1260 m_con.RunTimeouts(dtime);
1264 // This has to be called so that the client list gets synced
1265 // with the peer list of the connection
1266 ScopeProfiler sp(&g_profiler, "Server: peer change handling");
1267 handlePeerChanges();
1271 Update m_time_of_day and overall game time
1274 JMutexAutoLock envlock(m_env_mutex);
1276 m_time_counter += dtime;
1277 f32 speed = g_settings.getFloat("time_speed") * 24000./(24.*3600);
1278 u32 units = (u32)(m_time_counter*speed);
1279 m_time_counter -= (f32)units / speed;
1281 m_env.setTimeOfDay((m_env.getTimeOfDay() + units) % 24000);
1283 //dstream<<"Server: m_time_of_day = "<<m_time_of_day.get()<<std::endl;
1286 Send to clients at constant intervals
1289 m_time_of_day_send_timer -= dtime;
1290 if(m_time_of_day_send_timer < 0.0)
1292 m_time_of_day_send_timer = g_settings.getFloat("time_send_interval");
1294 //JMutexAutoLock envlock(m_env_mutex);
1295 JMutexAutoLock conlock(m_con_mutex);
1297 for(core::map<u16, RemoteClient*>::Iterator
1298 i = m_clients.getIterator();
1299 i.atEnd() == false; i++)
1301 RemoteClient *client = i.getNode()->getValue();
1302 //Player *player = m_env.getPlayer(client->peer_id);
1304 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1305 m_env.getTimeOfDay());
1307 m_con.Send(client->peer_id, 0, data, true);
1313 JMutexAutoLock lock(m_env_mutex);
1315 ScopeProfiler sp(&g_profiler, "Server: environment step");
1319 const float map_timer_and_unload_dtime = 5.15;
1320 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
1322 JMutexAutoLock lock(m_env_mutex);
1323 // Run Map's timers and unload unused data
1324 ScopeProfiler sp(&g_profiler, "Server: map timer and unload");
1325 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
1326 g_settings.getFloat("server_unload_unused_data_timeout"));
1336 m_liquid_transform_timer += dtime;
1337 if(m_liquid_transform_timer >= 1.00)
1339 m_liquid_transform_timer -= 1.00;
1341 JMutexAutoLock lock(m_env_mutex);
1343 ScopeProfiler sp(&g_profiler, "Server: liquid transform");
1345 core::map<v3s16, MapBlock*> modified_blocks;
1346 m_env.getMap().transformLiquids(modified_blocks);
1351 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1352 ServerMap &map = ((ServerMap&)m_env.getMap());
1353 map.updateLighting(modified_blocks, lighting_modified_blocks);
1355 // Add blocks modified by lighting to modified_blocks
1356 for(core::map<v3s16, MapBlock*>::Iterator
1357 i = lighting_modified_blocks.getIterator();
1358 i.atEnd() == false; i++)
1360 MapBlock *block = i.getNode()->getValue();
1361 modified_blocks.insert(block->getPos(), block);
1365 Set the modified blocks unsent for all the clients
1368 JMutexAutoLock lock2(m_con_mutex);
1370 for(core::map<u16, RemoteClient*>::Iterator
1371 i = m_clients.getIterator();
1372 i.atEnd() == false; i++)
1374 RemoteClient *client = i.getNode()->getValue();
1376 if(modified_blocks.size() > 0)
1378 // Remove block from sent history
1379 client->SetBlocksNotSent(modified_blocks);
1384 // Periodically print some info
1386 float &counter = m_print_info_timer;
1392 JMutexAutoLock lock2(m_con_mutex);
1394 for(core::map<u16, RemoteClient*>::Iterator
1395 i = m_clients.getIterator();
1396 i.atEnd() == false; i++)
1398 //u16 peer_id = i.getNode()->getKey();
1399 RemoteClient *client = i.getNode()->getValue();
1400 Player *player = m_env.getPlayer(client->peer_id);
1403 std::cout<<player->getName()<<"\t";
1404 client->PrintInfo(std::cout);
1409 //if(g_settings.getBool("enable_experimental"))
1413 Check added and deleted active objects
1416 //dstream<<"Server: Checking added and deleted active objects"<<std::endl;
1417 JMutexAutoLock envlock(m_env_mutex);
1418 JMutexAutoLock conlock(m_con_mutex);
1420 ScopeProfiler sp(&g_profiler, "Server: checking added and deleted objects");
1422 // Radius inside which objects are active
1425 for(core::map<u16, RemoteClient*>::Iterator
1426 i = m_clients.getIterator();
1427 i.atEnd() == false; i++)
1429 RemoteClient *client = i.getNode()->getValue();
1430 Player *player = m_env.getPlayer(client->peer_id);
1433 // This can happen if the client timeouts somehow
1434 /*dstream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
1436 <<" has no associated player"<<std::endl;*/
1439 v3s16 pos = floatToInt(player->getPosition(), BS);
1441 core::map<u16, bool> removed_objects;
1442 core::map<u16, bool> added_objects;
1443 m_env.getRemovedActiveObjects(pos, radius,
1444 client->m_known_objects, removed_objects);
1445 m_env.getAddedActiveObjects(pos, radius,
1446 client->m_known_objects, added_objects);
1448 // Ignore if nothing happened
1449 if(removed_objects.size() == 0 && added_objects.size() == 0)
1451 //dstream<<"INFO: active objects: none changed"<<std::endl;
1455 std::string data_buffer;
1459 // Handle removed objects
1460 writeU16((u8*)buf, removed_objects.size());
1461 data_buffer.append(buf, 2);
1462 for(core::map<u16, bool>::Iterator
1463 i = removed_objects.getIterator();
1464 i.atEnd()==false; i++)
1467 u16 id = i.getNode()->getKey();
1468 ServerActiveObject* obj = m_env.getActiveObject(id);
1470 // Add to data buffer for sending
1471 writeU16((u8*)buf, i.getNode()->getKey());
1472 data_buffer.append(buf, 2);
1474 // Remove from known objects
1475 client->m_known_objects.remove(i.getNode()->getKey());
1477 if(obj && obj->m_known_by_count > 0)
1478 obj->m_known_by_count--;
1481 // Handle added objects
1482 writeU16((u8*)buf, added_objects.size());
1483 data_buffer.append(buf, 2);
1484 for(core::map<u16, bool>::Iterator
1485 i = added_objects.getIterator();
1486 i.atEnd()==false; i++)
1489 u16 id = i.getNode()->getKey();
1490 ServerActiveObject* obj = m_env.getActiveObject(id);
1493 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1495 dstream<<"WARNING: "<<__FUNCTION_NAME
1496 <<": NULL object"<<std::endl;
1498 type = obj->getType();
1500 // Add to data buffer for sending
1501 writeU16((u8*)buf, id);
1502 data_buffer.append(buf, 2);
1503 writeU8((u8*)buf, type);
1504 data_buffer.append(buf, 1);
1507 data_buffer.append(serializeLongString(
1508 obj->getClientInitializationData()));
1510 data_buffer.append(serializeLongString(""));
1512 // Add to known objects
1513 client->m_known_objects.insert(i.getNode()->getKey(), false);
1516 obj->m_known_by_count++;
1520 SharedBuffer<u8> reply(2 + data_buffer.size());
1521 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1522 memcpy((char*)&reply[2], data_buffer.c_str(),
1523 data_buffer.size());
1525 m_con.Send(client->peer_id, 0, reply, true);
1527 dstream<<"INFO: Server: Sent object remove/add: "
1528 <<removed_objects.size()<<" removed, "
1529 <<added_objects.size()<<" added, "
1530 <<"packet size is "<<reply.getSize()<<std::endl;
1535 Collect a list of all the objects known by the clients
1536 and report it back to the environment.
1539 core::map<u16, bool> all_known_objects;
1541 for(core::map<u16, RemoteClient*>::Iterator
1542 i = m_clients.getIterator();
1543 i.atEnd() == false; i++)
1545 RemoteClient *client = i.getNode()->getValue();
1546 // Go through all known objects of client
1547 for(core::map<u16, bool>::Iterator
1548 i = client->m_known_objects.getIterator();
1549 i.atEnd()==false; i++)
1551 u16 id = i.getNode()->getKey();
1552 all_known_objects[id] = true;
1556 m_env.setKnownActiveObjects(whatever);
1562 Send object messages
1565 JMutexAutoLock envlock(m_env_mutex);
1566 JMutexAutoLock conlock(m_con_mutex);
1568 ScopeProfiler sp(&g_profiler, "Server: sending object messages");
1571 // Value = data sent by object
1572 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1574 // Get active object messages from environment
1577 ActiveObjectMessage aom = m_env.getActiveObjectMessage();
1581 core::list<ActiveObjectMessage>* message_list = NULL;
1582 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1583 n = buffered_messages.find(aom.id);
1586 message_list = new core::list<ActiveObjectMessage>;
1587 buffered_messages.insert(aom.id, message_list);
1591 message_list = n->getValue();
1593 message_list->push_back(aom);
1596 // Route data to every client
1597 for(core::map<u16, RemoteClient*>::Iterator
1598 i = m_clients.getIterator();
1599 i.atEnd()==false; i++)
1601 RemoteClient *client = i.getNode()->getValue();
1602 std::string reliable_data;
1603 std::string unreliable_data;
1604 // Go through all objects in message buffer
1605 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1606 j = buffered_messages.getIterator();
1607 j.atEnd()==false; j++)
1609 // If object is not known by client, skip it
1610 u16 id = j.getNode()->getKey();
1611 if(client->m_known_objects.find(id) == NULL)
1613 // Get message list of object
1614 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1615 // Go through every message
1616 for(core::list<ActiveObjectMessage>::Iterator
1617 k = list->begin(); k != list->end(); k++)
1619 // Compose the full new data with header
1620 ActiveObjectMessage aom = *k;
1621 std::string new_data;
1624 writeU16((u8*)&buf[0], aom.id);
1625 new_data.append(buf, 2);
1627 new_data += serializeString(aom.datastring);
1628 // Add data to buffer
1630 reliable_data += new_data;
1632 unreliable_data += new_data;
1636 reliable_data and unreliable_data are now ready.
1639 if(reliable_data.size() > 0)
1641 SharedBuffer<u8> reply(2 + reliable_data.size());
1642 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1643 memcpy((char*)&reply[2], reliable_data.c_str(),
1644 reliable_data.size());
1646 m_con.Send(client->peer_id, 0, reply, true);
1648 if(unreliable_data.size() > 0)
1650 SharedBuffer<u8> reply(2 + unreliable_data.size());
1651 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1652 memcpy((char*)&reply[2], unreliable_data.c_str(),
1653 unreliable_data.size());
1654 // Send as unreliable
1655 m_con.Send(client->peer_id, 0, reply, false);
1658 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1660 dstream<<"INFO: Server: Size of object message data: "
1661 <<"reliable: "<<reliable_data.size()
1662 <<", unreliable: "<<unreliable_data.size()
1667 // Clear buffered_messages
1668 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1669 i = buffered_messages.getIterator();
1670 i.atEnd()==false; i++)
1672 delete i.getNode()->getValue();
1676 } // enable_experimental
1679 Send queued-for-sending map edit events.
1682 // Don't send too many at a time
1685 // Single change sending is disabled if queue size is not small
1686 bool disable_single_change_sending = false;
1687 if(m_unsent_map_edit_queue.size() >= 4)
1688 disable_single_change_sending = true;
1690 bool got_any_events = false;
1692 // We'll log the amount of each
1695 while(m_unsent_map_edit_queue.size() != 0)
1697 got_any_events = true;
1699 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1701 // Players far away from the change are stored here.
1702 // Instead of sending the changes, MapBlocks are set not sent
1704 core::list<u16> far_players;
1706 if(event->type == MEET_ADDNODE)
1708 //dstream<<"Server: MEET_ADDNODE"<<std::endl;
1709 prof.add("MEET_ADDNODE", 1);
1710 if(disable_single_change_sending)
1711 sendAddNode(event->p, event->n, event->already_known_by_peer,
1714 sendAddNode(event->p, event->n, event->already_known_by_peer,
1717 else if(event->type == MEET_REMOVENODE)
1719 //dstream<<"Server: MEET_REMOVENODE"<<std::endl;
1720 prof.add("MEET_REMOVENODE", 1);
1721 if(disable_single_change_sending)
1722 sendRemoveNode(event->p, event->already_known_by_peer,
1725 sendRemoveNode(event->p, event->already_known_by_peer,
1728 else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
1730 dstream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
1731 prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
1732 setBlockNotSent(event->p);
1734 else if(event->type == MEET_OTHER)
1736 dstream<<"Server: MEET_OTHER"<<std::endl;
1737 prof.add("MEET_OTHER", 1);
1738 for(core::map<v3s16, bool>::Iterator
1739 i = event->modified_blocks.getIterator();
1740 i.atEnd()==false; i++)
1742 v3s16 p = i.getNode()->getKey();
1748 prof.add("unknown", 1);
1749 dstream<<"WARNING: Server: Unknown MapEditEvent "
1750 <<((u32)event->type)<<std::endl;
1754 Set blocks not sent to far players
1756 if(far_players.size() > 0)
1758 // Convert list format to that wanted by SetBlocksNotSent
1759 core::map<v3s16, MapBlock*> modified_blocks2;
1760 for(core::map<v3s16, bool>::Iterator
1761 i = event->modified_blocks.getIterator();
1762 i.atEnd()==false; i++)
1764 v3s16 p = i.getNode()->getKey();
1765 modified_blocks2.insert(p,
1766 m_env.getMap().getBlockNoCreateNoEx(p));
1768 // Set blocks not sent
1769 for(core::list<u16>::Iterator
1770 i = far_players.begin();
1771 i != far_players.end(); i++)
1774 RemoteClient *client = getClient(peer_id);
1777 client->SetBlocksNotSent(modified_blocks2);
1783 /*// Don't send too many at a time
1785 if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
1791 dstream<<"Server: MapEditEvents:"<<std::endl;
1792 prof.print(dstream);
1798 Send object positions
1799 TODO: Get rid of MapBlockObjects
1802 float &counter = m_objectdata_timer;
1804 if(counter >= g_settings.getFloat("objectdata_interval"))
1806 JMutexAutoLock lock1(m_env_mutex);
1807 JMutexAutoLock lock2(m_con_mutex);
1809 ScopeProfiler sp(&g_profiler, "Server: sending mbo positions");
1811 SendObjectData(counter);
1818 Trigger emergethread (it somehow gets to a non-triggered but
1819 bysy state sometimes)
1822 float &counter = m_emergethread_trigger_timer;
1828 m_emergethread.trigger();
1832 // Save map, players and auth stuff
1834 float &counter = m_savemap_timer;
1836 if(counter >= g_settings.getFloat("server_map_save_interval"))
1840 ScopeProfiler sp(&g_profiler, "Server: saving stuff");
1843 if(m_authmanager.isModified())
1844 m_authmanager.save();
1847 if(m_banmanager.isModified())
1848 m_banmanager.save();
1851 JMutexAutoLock lock(m_env_mutex);
1853 /*// Unload unused data (delete from memory)
1854 m_env.getMap().unloadUnusedData(
1855 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1857 /*u32 deleted_count = m_env.getMap().unloadUnusedData(
1858 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1861 // Save only changed parts
1862 m_env.getMap().save(true);
1864 /*if(deleted_count > 0)
1866 dout_server<<"Server: Unloaded "<<deleted_count
1867 <<" blocks from memory"<<std::endl;
1871 m_env.serializePlayers(m_mapsavedir);
1873 // Save environment metadata
1874 m_env.saveMeta(m_mapsavedir);
1879 void Server::Receive()
1881 DSTACK(__FUNCTION_NAME);
1882 u32 data_maxsize = 10000;
1883 Buffer<u8> data(data_maxsize);
1888 JMutexAutoLock conlock(m_con_mutex);
1889 datasize = m_con.Receive(peer_id, *data, data_maxsize);
1892 // This has to be called so that the client list gets synced
1893 // with the peer list of the connection
1894 handlePeerChanges();
1896 ProcessData(*data, datasize, peer_id);
1898 catch(con::InvalidIncomingDataException &e)
1900 derr_server<<"Server::Receive(): "
1901 "InvalidIncomingDataException: what()="
1902 <<e.what()<<std::endl;
1904 catch(con::PeerNotFoundException &e)
1906 //NOTE: This is not needed anymore
1908 // The peer has been disconnected.
1909 // Find the associated player and remove it.
1911 /*JMutexAutoLock envlock(m_env_mutex);
1913 dout_server<<"ServerThread: peer_id="<<peer_id
1914 <<" has apparently closed connection. "
1915 <<"Removing player."<<std::endl;
1917 m_env.removePlayer(peer_id);*/
1921 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1923 DSTACK(__FUNCTION_NAME);
1924 // Environment is locked first.
1925 JMutexAutoLock envlock(m_env_mutex);
1926 JMutexAutoLock conlock(m_con_mutex);
1930 peer = m_con.GetPeer(peer_id);
1932 catch(con::PeerNotFoundException &e)
1934 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: peer "
1935 <<peer_id<<" not found"<<std::endl;
1939 // drop player if is ip is banned
1940 if(m_banmanager.isIpBanned(peer->address.serializeString())){
1941 SendAccessDenied(m_con, peer_id,
1942 L"Your ip is banned. Banned name was "
1943 +narrow_to_wide(m_banmanager.getBanName(
1944 peer->address.serializeString())));
1945 m_con.deletePeer(peer_id, false);
1949 u8 peer_ser_ver = getClient(peer->id)->serialization_version;
1957 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1959 if(command == TOSERVER_INIT)
1961 // [0] u16 TOSERVER_INIT
1962 // [2] u8 SER_FMT_VER_HIGHEST
1963 // [3] u8[20] player_name
1964 // [23] u8[28] password <--- can be sent without this, from old versions
1966 if(datasize < 2+1+PLAYERNAME_SIZE)
1969 derr_server<<DTIME<<"Server: Got TOSERVER_INIT from "
1970 <<peer->id<<std::endl;
1972 // First byte after command is maximum supported
1973 // serialization version
1974 u8 client_max = data[2];
1975 u8 our_max = SER_FMT_VER_HIGHEST;
1976 // Use the highest version supported by both
1977 u8 deployed = core::min_(client_max, our_max);
1978 // If it's lower than the lowest supported, give up.
1979 if(deployed < SER_FMT_VER_LOWEST)
1980 deployed = SER_FMT_VER_INVALID;
1982 //peer->serialization_version = deployed;
1983 getClient(peer->id)->pending_serialization_version = deployed;
1985 if(deployed == SER_FMT_VER_INVALID)
1987 derr_server<<DTIME<<"Server: Cannot negotiate "
1988 "serialization version with peer "
1989 <<peer_id<<std::endl;
1990 SendAccessDenied(m_con, peer_id,
1991 L"Your client is too old (map format)");
1996 Read and check network protocol version
1999 u16 net_proto_version = 0;
2000 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
2002 net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
2005 getClient(peer->id)->net_proto_version = net_proto_version;
2007 if(net_proto_version == 0)
2009 SendAccessDenied(m_con, peer_id,
2010 L"Your client is too old. Please upgrade.");
2014 /* Uhh... this should actually be a warning but let's do it like this */
2015 if(net_proto_version < 2)
2017 SendAccessDenied(m_con, peer_id,
2018 L"Your client is too old. Please upgrade.");
2027 char playername[PLAYERNAME_SIZE];
2028 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2030 playername[i] = data[3+i];
2032 playername[PLAYERNAME_SIZE-1] = 0;
2034 if(playername[0]=='\0')
2036 derr_server<<DTIME<<"Server: Player has empty name"<<std::endl;
2037 SendAccessDenied(m_con, peer_id,
2042 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2044 derr_server<<DTIME<<"Server: Player has invalid name"<<std::endl;
2045 SendAccessDenied(m_con, peer_id,
2046 L"Name contains unallowed characters");
2051 char password[PASSWORD_SIZE];
2052 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2054 // old version - assume blank password
2059 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2061 password[i] = data[23+i];
2063 password[PASSWORD_SIZE-1] = 0;
2066 std::string checkpwd;
2067 if(m_authmanager.exists(playername))
2069 checkpwd = m_authmanager.getPassword(playername);
2073 checkpwd = g_settings.get("default_password");
2076 /*dstream<<"Server: Client gave password '"<<password
2077 <<"', the correct one is '"<<checkpwd<<"'"<<std::endl;*/
2079 if(password != checkpwd && m_authmanager.exists(playername))
2081 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2082 <<": supplied invalid password for "
2083 <<playername<<std::endl;
2084 SendAccessDenied(m_con, peer_id, L"Invalid password");
2088 // Add player to auth manager
2089 if(m_authmanager.exists(playername) == false)
2091 derr_server<<DTIME<<"Server: adding player "<<playername
2092 <<" to auth manager"<<std::endl;
2093 m_authmanager.add(playername);
2094 m_authmanager.setPassword(playername, checkpwd);
2095 m_authmanager.setPrivs(playername,
2096 stringToPrivs(g_settings.get("default_privs")));
2097 m_authmanager.save();
2101 Player *player = emergePlayer(playername, password, peer_id);
2105 // DEBUG: Test serialization
2106 std::ostringstream test_os;
2107 player->serialize(test_os);
2108 dstream<<"Player serialization test: \""<<test_os.str()
2110 std::istringstream test_is(test_os.str());
2111 player->deSerialize(test_is);
2114 // If failed, cancel
2117 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2118 <<": failed to emerge player"<<std::endl;
2123 // If a client is already connected to the player, cancel
2124 if(player->peer_id != 0)
2126 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2127 <<" tried to connect to "
2128 "an already connected player (peer_id="
2129 <<player->peer_id<<")"<<std::endl;
2132 // Set client of player
2133 player->peer_id = peer_id;
2136 // Check if player doesn't exist
2138 throw con::InvalidIncomingDataException
2139 ("Server::ProcessData(): INIT: Player doesn't exist");
2141 /*// update name if it was supplied
2142 if(datasize >= 20+3)
2145 player->updateName((const char*)&data[3]);
2149 Answer with a TOCLIENT_INIT
2152 SharedBuffer<u8> reply(2+1+6+8);
2153 writeU16(&reply[0], TOCLIENT_INIT);
2154 writeU8(&reply[2], deployed);
2155 writeV3S16(&reply[2+1], floatToInt(player->getPosition()+v3f(0,BS/2,0), BS));
2156 writeU64(&reply[2+1+6], m_env.getServerMap().getSeed());
2159 m_con.Send(peer_id, 0, reply, true);
2163 Send complete position information
2165 SendMovePlayer(player);
2170 if(command == TOSERVER_INIT2)
2172 derr_server<<DTIME<<"Server: Got TOSERVER_INIT2 from "
2173 <<peer->id<<std::endl;
2176 getClient(peer->id)->serialization_version
2177 = getClient(peer->id)->pending_serialization_version;
2180 Send some initialization data
2183 // Send player info to all players
2186 // Send inventory to player
2187 UpdateCrafting(peer->id);
2188 SendInventory(peer->id);
2190 // Send player items to all players
2195 Player *player = m_env.getPlayer(peer_id);
2196 SendPlayerHP(player);
2201 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2202 m_env.getTimeOfDay());
2203 m_con.Send(peer->id, 0, data, true);
2206 // Send information about server to player in chat
2207 SendChatMessage(peer_id, getStatusString());
2209 // Send information about joining in chat
2211 std::wstring name = L"unknown";
2212 Player *player = m_env.getPlayer(peer_id);
2214 name = narrow_to_wide(player->getName());
2216 std::wstring message;
2219 message += L" joined game";
2220 BroadcastChatMessage(message);
2223 // Warnings about protocol version can be issued here
2224 /*if(getClient(peer->id)->net_proto_version == 0)
2226 SendChatMessage(peer_id, L"# Server: NOTE: YOUR CLIENT IS OLD AND DOES NOT WORK PROPERLY WITH THIS SERVER");
2232 if(peer_ser_ver == SER_FMT_VER_INVALID)
2234 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: Peer"
2235 " serialization format invalid or not initialized."
2236 " Skipping incoming command="<<command<<std::endl;
2240 Player *player = m_env.getPlayer(peer_id);
2243 derr_server<<"Server::ProcessData(): Cancelling: "
2244 "No player for peer_id="<<peer_id
2248 if(command == TOSERVER_PLAYERPOS)
2250 if(datasize < 2+12+12+4+4)
2254 v3s32 ps = readV3S32(&data[start+2]);
2255 v3s32 ss = readV3S32(&data[start+2+12]);
2256 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2257 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2258 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2259 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2260 pitch = wrapDegrees(pitch);
2261 yaw = wrapDegrees(yaw);
2262 player->setPosition(position);
2263 player->setSpeed(speed);
2264 player->setPitch(pitch);
2265 player->setYaw(yaw);
2267 /*dout_server<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2268 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2269 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2271 else if(command == TOSERVER_GOTBLOCKS)
2284 u16 count = data[2];
2285 for(u16 i=0; i<count; i++)
2287 if((s16)datasize < 2+1+(i+1)*6)
2288 throw con::InvalidIncomingDataException
2289 ("GOTBLOCKS length is too short");
2290 v3s16 p = readV3S16(&data[2+1+i*6]);
2291 /*dstream<<"Server: GOTBLOCKS ("
2292 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2293 RemoteClient *client = getClient(peer_id);
2294 client->GotBlock(p);
2297 else if(command == TOSERVER_DELETEDBLOCKS)
2310 u16 count = data[2];
2311 for(u16 i=0; i<count; i++)
2313 if((s16)datasize < 2+1+(i+1)*6)
2314 throw con::InvalidIncomingDataException
2315 ("DELETEDBLOCKS length is too short");
2316 v3s16 p = readV3S16(&data[2+1+i*6]);
2317 /*dstream<<"Server: DELETEDBLOCKS ("
2318 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2319 RemoteClient *client = getClient(peer_id);
2320 client->SetBlockNotSent(p);
2323 else if(command == TOSERVER_CLICK_OBJECT)
2328 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2333 [2] u8 button (0=left, 1=right)
2338 u8 button = readU8(&data[2]);
2340 p.X = readS16(&data[3]);
2341 p.Y = readS16(&data[5]);
2342 p.Z = readS16(&data[7]);
2343 s16 id = readS16(&data[9]);
2344 //u16 item_i = readU16(&data[11]);
2346 MapBlock *block = NULL;
2349 block = m_env.getMap().getBlockNoCreate(p);
2351 catch(InvalidPositionException &e)
2353 derr_server<<"CLICK_OBJECT block not found"<<std::endl;
2357 MapBlockObject *obj = block->getObject(id);
2361 derr_server<<"CLICK_OBJECT object not found"<<std::endl;
2365 //TODO: Check that object is reasonably close
2370 InventoryList *ilist = player->inventory.getList("main");
2371 if(g_settings.getBool("creative_mode") == false && ilist != NULL)
2374 // Skip if inventory has no free space
2375 if(ilist->getUsedSlots() == ilist->getSize())
2377 dout_server<<"Player inventory has no free space"<<std::endl;
2382 Create the inventory item
2384 InventoryItem *item = NULL;
2385 // If it is an item-object, take the item from it
2386 if(obj->getTypeId() == MAPBLOCKOBJECT_TYPE_ITEM)
2388 item = ((ItemObject*)obj)->createInventoryItem();
2390 // Else create an item of the object
2393 item = new MapBlockObjectItem
2394 (obj->getInventoryString());
2397 // Add to inventory and send inventory
2398 ilist->addItem(item);
2399 UpdateCrafting(player->peer_id);
2400 SendInventory(player->peer_id);
2403 // Remove from block
2404 block->removeObject(id);
2407 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2412 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2418 [2] u8 button (0=left, 1=right)
2422 u8 button = readU8(&data[2]);
2423 u16 id = readS16(&data[3]);
2424 u16 item_i = readU16(&data[11]);
2426 ServerActiveObject *obj = m_env.getActiveObject(id);
2430 derr_server<<"Server: CLICK_ACTIVEOBJECT: object not found"
2435 // Skip if object has been removed
2439 //TODO: Check that object is reasonably close
2441 // Left click, pick object up (usually)
2445 Try creating inventory item
2447 InventoryItem *item = obj->createPickedUpItem();
2451 InventoryList *ilist = player->inventory.getList("main");
2454 if(g_settings.getBool("creative_mode") == false)
2456 // Skip if inventory has no free space
2457 if(ilist->roomForItem(item) == false)
2459 dout_server<<"Player inventory has no free space"<<std::endl;
2463 // Add to inventory and send inventory
2464 ilist->addItem(item);
2465 UpdateCrafting(player->peer_id);
2466 SendInventory(player->peer_id);
2469 // Remove object from environment
2470 obj->m_removed = true;
2476 Item cannot be picked up. Punch it instead.
2479 ToolItem *titem = NULL;
2480 std::string toolname = "";
2482 InventoryList *mlist = player->inventory.getList("main");
2485 InventoryItem *item = mlist->getItem(item_i);
2486 if(item && (std::string)item->getName() == "ToolItem")
2488 titem = (ToolItem*)item;
2489 toolname = titem->getToolName();
2493 v3f playerpos = player->getPosition();
2494 v3f objpos = obj->getBasePosition();
2495 v3f dir = (objpos - playerpos).normalize();
2497 u16 wear = obj->punch(toolname, dir);
2501 bool weared_out = titem->addWear(wear);
2503 mlist->deleteItem(item_i);
2504 SendInventory(player->peer_id);
2508 // Right click, do something with object
2511 // Track hp changes super-crappily
2512 u16 oldhp = player->hp;
2515 obj->rightClick(player);
2518 if(player->hp != oldhp)
2520 SendPlayerHP(player);
2524 else if(command == TOSERVER_GROUND_ACTION)
2532 [3] v3s16 nodepos_undersurface
2533 [9] v3s16 nodepos_abovesurface
2538 2: stop digging (all parameters ignored)
2539 3: digging completed
2541 u8 action = readU8(&data[2]);
2543 p_under.X = readS16(&data[3]);
2544 p_under.Y = readS16(&data[5]);
2545 p_under.Z = readS16(&data[7]);
2547 p_over.X = readS16(&data[9]);
2548 p_over.Y = readS16(&data[11]);
2549 p_over.Z = readS16(&data[13]);
2550 u16 item_i = readU16(&data[15]);
2552 //TODO: Check that target is reasonably close
2560 NOTE: This can be used in the future to check if
2561 somebody is cheating, by checking the timing.
2568 else if(action == 2)
2571 RemoteClient *client = getClient(peer->id);
2572 JMutexAutoLock digmutex(client->m_dig_mutex);
2573 client->m_dig_tool_item = -1;
2578 3: Digging completed
2580 else if(action == 3)
2582 // Mandatory parameter; actually used for nothing
2583 core::map<v3s16, MapBlock*> modified_blocks;
2585 content_t material = CONTENT_IGNORE;
2586 u8 mineral = MINERAL_NONE;
2588 bool cannot_remove_node = false;
2592 MapNode n = m_env.getMap().getNode(p_under);
2594 mineral = n.getMineral();
2595 // Get material at position
2596 material = n.getContent();
2597 // If not yet cancelled
2598 if(cannot_remove_node == false)
2600 // If it's not diggable, do nothing
2601 if(content_diggable(material) == false)
2603 derr_server<<"Server: Not finishing digging: "
2604 <<"Node not diggable"
2606 cannot_remove_node = true;
2609 // If not yet cancelled
2610 if(cannot_remove_node == false)
2612 // Get node metadata
2613 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p_under);
2614 if(meta && meta->nodeRemovalDisabled() == true)
2616 derr_server<<"Server: Not finishing digging: "
2617 <<"Node metadata disables removal"
2619 cannot_remove_node = true;
2623 catch(InvalidPositionException &e)
2625 derr_server<<"Server: Not finishing digging: Node not found."
2626 <<" Adding block to emerge queue."
2628 m_emerge_queue.addBlock(peer_id,
2629 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2630 cannot_remove_node = true;
2633 // Make sure the player is allowed to do it
2634 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2636 dstream<<"Player "<<player->getName()<<" cannot remove node"
2637 <<" because privileges are "<<getPlayerPrivs(player)
2639 cannot_remove_node = true;
2643 If node can't be removed, set block to be re-sent to
2646 if(cannot_remove_node)
2648 derr_server<<"Server: Not finishing digging."<<std::endl;
2650 // Client probably has wrong data.
2651 // Set block not sent, so that client will get
2653 dstream<<"Client "<<peer_id<<" tried to dig "
2654 <<"node; but node cannot be removed."
2655 <<" setting MapBlock not sent."<<std::endl;
2656 RemoteClient *client = getClient(peer_id);
2657 v3s16 blockpos = getNodeBlockPos(p_under);
2658 client->SetBlockNotSent(blockpos);
2664 Send the removal to all close-by players.
2665 - If other player is close, send REMOVENODE
2666 - Otherwise set blocks not sent
2668 core::list<u16> far_players;
2669 sendRemoveNode(p_under, peer_id, &far_players, 30);
2672 Update and send inventory
2675 if(g_settings.getBool("creative_mode") == false)
2680 InventoryList *mlist = player->inventory.getList("main");
2683 InventoryItem *item = mlist->getItem(item_i);
2684 if(item && (std::string)item->getName() == "ToolItem")
2686 ToolItem *titem = (ToolItem*)item;
2687 std::string toolname = titem->getToolName();
2689 // Get digging properties for material and tool
2690 DiggingProperties prop =
2691 getDiggingProperties(material, toolname);
2693 if(prop.diggable == false)
2695 derr_server<<"Server: WARNING: Player digged"
2696 <<" with impossible material + tool"
2697 <<" combination"<<std::endl;
2700 bool weared_out = titem->addWear(prop.wear);
2704 mlist->deleteItem(item_i);
2710 Add dug item to inventory
2713 InventoryItem *item = NULL;
2715 if(mineral != MINERAL_NONE)
2716 item = getDiggedMineralItem(mineral);
2721 std::string &dug_s = content_features(material).dug_item;
2724 std::istringstream is(dug_s, std::ios::binary);
2725 item = InventoryItem::deSerialize(is);
2731 // Add a item to inventory
2732 player->inventory.addItem("main", item);
2735 UpdateCrafting(player->peer_id);
2736 SendInventory(player->peer_id);
2741 if(mineral != MINERAL_NONE)
2742 item = getDiggedMineralItem(mineral);
2747 std::string &extra_dug_s = content_features(material).extra_dug_item;
2748 s32 extra_rarity = content_features(material).extra_dug_item_rarity;
2749 if(extra_dug_s != "" && extra_rarity != 0
2750 && myrand() % extra_rarity == 0)
2752 std::istringstream is(extra_dug_s, std::ios::binary);
2753 item = InventoryItem::deSerialize(is);
2759 // Add a item to inventory
2760 player->inventory.addItem("main", item);
2763 UpdateCrafting(player->peer_id);
2764 SendInventory(player->peer_id);
2770 (this takes some time so it is done after the quick stuff)
2773 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2775 m_env.getMap().removeNodeAndUpdate(p_under, modified_blocks);
2778 Set blocks not sent to far players
2780 for(core::list<u16>::Iterator
2781 i = far_players.begin();
2782 i != far_players.end(); i++)
2785 RemoteClient *client = getClient(peer_id);
2788 client->SetBlocksNotSent(modified_blocks);
2795 else if(action == 1)
2798 InventoryList *ilist = player->inventory.getList("main");
2803 InventoryItem *item = ilist->getItem(item_i);
2805 // If there is no item, it is not possible to add it anywhere
2810 Handle material items
2812 if(std::string("MaterialItem") == item->getName())
2815 // Don't add a node if this is not a free space
2816 MapNode n2 = m_env.getMap().getNode(p_over);
2817 bool no_enough_privs =
2818 ((getPlayerPrivs(player) & PRIV_BUILD)==0);
2820 dstream<<"Player "<<player->getName()<<" cannot add node"
2821 <<" because privileges are "<<getPlayerPrivs(player)
2824 if(content_features(n2).buildable_to == false
2827 // Client probably has wrong data.
2828 // Set block not sent, so that client will get
2830 dstream<<"Client "<<peer_id<<" tried to place"
2831 <<" node in invalid position; setting"
2832 <<" MapBlock not sent."<<std::endl;
2833 RemoteClient *client = getClient(peer_id);
2834 v3s16 blockpos = getNodeBlockPos(p_over);
2835 client->SetBlockNotSent(blockpos);
2839 catch(InvalidPositionException &e)
2841 derr_server<<"Server: Ignoring ADDNODE: Node not found"
2842 <<" Adding block to emerge queue."
2844 m_emerge_queue.addBlock(peer_id,
2845 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2849 // Reset build time counter
2850 getClient(peer->id)->m_time_from_building = 0.0;
2853 MaterialItem *mitem = (MaterialItem*)item;
2855 n.setContent(mitem->getMaterial());
2857 // Calculate direction for wall mounted stuff
2858 if(content_features(n).wall_mounted)
2859 n.param2 = packDir(p_under - p_over);
2861 // Calculate the direction for furnaces and chests and stuff
2862 if(content_features(n).param_type == CPT_FACEDIR_SIMPLE)
2864 v3f playerpos = player->getPosition();
2865 v3f blockpos = intToFloat(p_over, BS) - playerpos;
2866 blockpos = blockpos.normalize();
2868 if (fabs(blockpos.X) > fabs(blockpos.Z)) {
2882 Send to all close-by players
2884 core::list<u16> far_players;
2885 sendAddNode(p_over, n, 0, &far_players, 30);
2890 InventoryList *ilist = player->inventory.getList("main");
2891 if(g_settings.getBool("creative_mode") == false && ilist)
2893 // Remove from inventory and send inventory
2894 if(mitem->getCount() == 1)
2895 ilist->deleteItem(item_i);
2899 UpdateCrafting(peer_id);
2900 SendInventory(peer_id);
2906 This takes some time so it is done after the quick stuff
2908 core::map<v3s16, MapBlock*> modified_blocks;
2910 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2912 m_env.getMap().addNodeAndUpdate(p_over, n, modified_blocks);
2915 Set blocks not sent to far players
2917 for(core::list<u16>::Iterator
2918 i = far_players.begin();
2919 i != far_players.end(); i++)
2922 RemoteClient *client = getClient(peer_id);
2925 client->SetBlocksNotSent(modified_blocks);
2929 Calculate special events
2932 /*if(n.d == CONTENT_MESE)
2935 for(s16 z=-1; z<=1; z++)
2936 for(s16 y=-1; y<=1; y++)
2937 for(s16 x=-1; x<=1; x++)
2944 Place other item (not a block)
2948 v3s16 blockpos = getNodeBlockPos(p_over);
2951 Check that the block is loaded so that the item
2952 can properly be added to the static list too
2954 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
2957 derr_server<<"Error while placing object: "
2958 "block not found"<<std::endl;
2963 If in creative mode, item dropping is disabled unless
2964 player has build privileges
2966 if(g_settings.getBool("creative_mode") &&
2967 (getPlayerPrivs(player) & PRIV_BUILD) == 0)
2969 derr_server<<"Not allowing player to drop item: "
2970 "creative mode and no build privs"<<std::endl;
2974 dout_server<<"Placing a miscellaneous item on map"
2977 // Calculate a position for it
2978 v3f pos = intToFloat(p_over, BS);
2980 pos.Y -= BS*0.25; // let it drop a bit
2982 pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2983 pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2988 ServerActiveObject *obj = item->createSAO(&m_env, 0, pos);
2992 derr_server<<"WARNING: item resulted in NULL object, "
2993 <<"not placing onto map"
2998 // Add the object to the environment
2999 m_env.addActiveObject(obj);
3001 dout_server<<"Placed object"<<std::endl;
3003 if(g_settings.getBool("creative_mode") == false)
3005 // Delete the right amount of items from the slot
3006 u16 dropcount = item->getDropCount();
3008 // Delete item if all gone
3009 if(item->getCount() <= dropcount)
3011 if(item->getCount() < dropcount)
3012 dstream<<"WARNING: Server: dropped more items"
3013 <<" than the slot contains"<<std::endl;
3015 InventoryList *ilist = player->inventory.getList("main");
3017 // Remove from inventory and send inventory
3018 ilist->deleteItem(item_i);
3020 // Else decrement it
3022 item->remove(dropcount);
3025 UpdateCrafting(peer_id);
3026 SendInventory(peer_id);
3034 Catch invalid actions
3038 derr_server<<"WARNING: Server: Invalid action "
3039 <<action<<std::endl;
3043 else if(command == TOSERVER_RELEASE)
3052 dstream<<"TOSERVER_RELEASE ignored"<<std::endl;
3055 else if(command == TOSERVER_SIGNTEXT)
3057 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3066 std::string datastring((char*)&data[2], datasize-2);
3067 std::istringstream is(datastring, std::ios_base::binary);
3070 is.read((char*)buf, 6);
3071 v3s16 blockpos = readV3S16(buf);
3072 is.read((char*)buf, 2);
3073 s16 id = readS16(buf);
3074 is.read((char*)buf, 2);
3075 u16 textlen = readU16(buf);
3077 for(u16 i=0; i<textlen; i++)
3079 is.read((char*)buf, 1);
3080 text += (char)buf[0];
3083 MapBlock *block = NULL;
3086 block = m_env.getMap().getBlockNoCreate(blockpos);
3088 catch(InvalidPositionException &e)
3090 derr_server<<"Error while setting sign text: "
3091 "block not found"<<std::endl;
3095 MapBlockObject *obj = block->getObject(id);
3098 derr_server<<"Error while setting sign text: "
3099 "object not found"<<std::endl;
3103 if(obj->getTypeId() != MAPBLOCKOBJECT_TYPE_SIGN)
3105 derr_server<<"Error while setting sign text: "
3106 "object is not a sign"<<std::endl;
3110 ((SignObject*)obj)->setText(text);
3112 obj->getBlock()->setChangedFlag();
3114 else if(command == TOSERVER_SIGNNODETEXT)
3116 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3124 std::string datastring((char*)&data[2], datasize-2);
3125 std::istringstream is(datastring, std::ios_base::binary);
3128 is.read((char*)buf, 6);
3129 v3s16 p = readV3S16(buf);
3130 is.read((char*)buf, 2);
3131 u16 textlen = readU16(buf);
3133 for(u16 i=0; i<textlen; i++)
3135 is.read((char*)buf, 1);
3136 text += (char)buf[0];
3139 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3142 if(meta->typeId() != CONTENT_SIGN_WALL)
3144 SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
3145 signmeta->setText(text);
3147 v3s16 blockpos = getNodeBlockPos(p);
3148 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
3151 block->setChangedFlag();
3154 for(core::map<u16, RemoteClient*>::Iterator
3155 i = m_clients.getIterator();
3156 i.atEnd()==false; i++)
3158 RemoteClient *client = i.getNode()->getValue();
3159 client->SetBlockNotSent(blockpos);
3162 else if(command == TOSERVER_INVENTORY_ACTION)
3164 /*// Ignore inventory changes if in creative mode
3165 if(g_settings.getBool("creative_mode") == true)
3167 dstream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
3171 // Strip command and create a stream
3172 std::string datastring((char*)&data[2], datasize-2);
3173 dstream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
3174 std::istringstream is(datastring, std::ios_base::binary);
3176 InventoryAction *a = InventoryAction::deSerialize(is);
3181 c.current_player = player;
3184 Handle craftresult specially if not in creative mode
3186 bool disable_action = false;
3187 if(a->getType() == IACTION_MOVE
3188 && g_settings.getBool("creative_mode") == false)
3190 IMoveAction *ma = (IMoveAction*)a;
3191 if(ma->to_inv == "current_player" &&
3192 ma->from_inv == "current_player")
3194 InventoryList *rlist = player->inventory.getList("craftresult");
3196 InventoryList *clist = player->inventory.getList("craft");
3198 InventoryList *mlist = player->inventory.getList("main");
3201 Craftresult is no longer preview if something
3204 if(ma->to_list == "craftresult"
3205 && ma->from_list != "craftresult")
3207 // If it currently is a preview, remove
3209 if(player->craftresult_is_preview)
3211 rlist->deleteItem(0);
3213 player->craftresult_is_preview = false;
3216 Crafting takes place if this condition is true.
3218 if(player->craftresult_is_preview &&
3219 ma->from_list == "craftresult")
3221 player->craftresult_is_preview = false;
3222 clist->decrementMaterials(1);
3225 If the craftresult is placed on itself, move it to
3226 main inventory instead of doing the action
3228 if(ma->to_list == "craftresult"
3229 && ma->from_list == "craftresult")
3231 disable_action = true;
3233 InventoryItem *item1 = rlist->changeItem(0, NULL);
3234 mlist->addItem(item1);
3237 // Disallow moving items if not allowed to build
3238 else if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3242 if(disable_action == false)
3244 // Feed action to player inventory
3252 UpdateCrafting(player->peer_id);
3253 SendInventory(player->peer_id);
3258 dstream<<"TOSERVER_INVENTORY_ACTION: "
3259 <<"InventoryAction::deSerialize() returned NULL"
3263 else if(command == TOSERVER_CHAT_MESSAGE)
3271 std::string datastring((char*)&data[2], datasize-2);
3272 std::istringstream is(datastring, std::ios_base::binary);
3275 is.read((char*)buf, 2);
3276 u16 len = readU16(buf);
3278 std::wstring message;
3279 for(u16 i=0; i<len; i++)
3281 is.read((char*)buf, 2);
3282 message += (wchar_t)readU16(buf);
3285 // Get player name of this client
3286 std::wstring name = narrow_to_wide(player->getName());
3288 // Line to send to players
3290 // Whether to send to the player that sent the line
3291 bool send_to_sender = false;
3292 // Whether to send to other players
3293 bool send_to_others = false;
3295 // Local player gets all privileges regardless of
3296 // what's set on their account.
3297 u64 privs = getPlayerPrivs(player);
3300 if(message[0] == L'/')
3302 size_t strip_size = 1;
3303 if (message[1] == L'#') // support old-style commans
3305 message = message.substr(strip_size);
3307 WStrfnd f1(message);
3308 f1.next(L" "); // Skip over /#whatever
3309 std::wstring paramstring = f1.next(L"");
3311 ServerCommandContext *ctx = new ServerCommandContext(
3312 str_split(message, L' '),
3319 std::wstring reply(processServerCommand(ctx));
3320 send_to_sender = ctx->flags & SEND_TO_SENDER;
3321 send_to_others = ctx->flags & SEND_TO_OTHERS;
3323 if (ctx->flags & SEND_NO_PREFIX)
3326 line += L"Server: " + reply;
3333 if(privs & PRIV_SHOUT)
3339 send_to_others = true;
3343 line += L"Server: You are not allowed to shout";
3344 send_to_sender = true;
3350 dstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
3353 Send the message to clients
3355 for(core::map<u16, RemoteClient*>::Iterator
3356 i = m_clients.getIterator();
3357 i.atEnd() == false; i++)
3359 // Get client and check that it is valid
3360 RemoteClient *client = i.getNode()->getValue();
3361 assert(client->peer_id == i.getNode()->getKey());
3362 if(client->serialization_version == SER_FMT_VER_INVALID)
3366 bool sender_selected = (peer_id == client->peer_id);
3367 if(sender_selected == true && send_to_sender == false)
3369 if(sender_selected == false && send_to_others == false)
3372 SendChatMessage(client->peer_id, line);
3376 else if(command == TOSERVER_DAMAGE)
3378 if(g_settings.getBool("enable_damage"))
3380 std::string datastring((char*)&data[2], datasize-2);
3381 std::istringstream is(datastring, std::ios_base::binary);
3382 u8 damage = readU8(is);
3383 if(player->hp > damage)
3385 player->hp -= damage;
3391 dstream<<"TODO: Server: TOSERVER_HP_DECREMENT: Player dies"
3394 v3f pos = findSpawnPos(m_env.getServerMap());
3395 player->setPosition(pos);
3397 SendMovePlayer(player);
3398 SendPlayerHP(player);
3400 //TODO: Throw items around
3404 SendPlayerHP(player);
3406 else if(command == TOSERVER_PASSWORD)
3409 [0] u16 TOSERVER_PASSWORD
3410 [2] u8[28] old password
3411 [30] u8[28] new password
3414 if(datasize != 2+PASSWORD_SIZE*2)
3416 /*char password[PASSWORD_SIZE];
3417 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3418 password[i] = data[2+i];
3419 password[PASSWORD_SIZE-1] = 0;*/
3421 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3429 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3431 char c = data[2+PASSWORD_SIZE+i];
3437 dstream<<"Server: Client requests a password change from "
3438 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
3440 std::string playername = player->getName();
3442 if(m_authmanager.exists(playername) == false)
3444 dstream<<"Server: playername not found in authmanager"<<std::endl;
3445 // Wrong old password supplied!!
3446 SendChatMessage(peer_id, L"playername not found in authmanager");
3450 std::string checkpwd = m_authmanager.getPassword(playername);
3452 if(oldpwd != checkpwd)
3454 dstream<<"Server: invalid old password"<<std::endl;
3455 // Wrong old password supplied!!
3456 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
3460 m_authmanager.setPassword(playername, newpwd);
3462 dstream<<"Server: password change successful for "<<playername
3464 SendChatMessage(peer_id, L"Password change successful");
3466 else if (command == TOSERVER_PLAYERITEM)
3471 u16 item = readU16(&data[2]);
3472 player->wieldItem(item);
3473 SendWieldedItem(player);
3477 derr_server<<"WARNING: Server::ProcessData(): Ignoring "
3478 "unknown command "<<command<<std::endl;
3482 catch(SendFailedException &e)
3484 derr_server<<"Server::ProcessData(): SendFailedException: "
3490 void Server::onMapEditEvent(MapEditEvent *event)
3492 //dstream<<"Server::onMapEditEvent()"<<std::endl;
3493 if(m_ignore_map_edit_events)
3495 MapEditEvent *e = event->clone();
3496 m_unsent_map_edit_queue.push_back(e);
3499 Inventory* Server::getInventory(InventoryContext *c, std::string id)
3501 if(id == "current_player")
3503 assert(c->current_player);
3504 return &(c->current_player->inventory);
3508 std::string id0 = fn.next(":");
3510 if(id0 == "nodemeta")
3513 p.X = stoi(fn.next(","));
3514 p.Y = stoi(fn.next(","));
3515 p.Z = stoi(fn.next(","));
3516 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3518 return meta->getInventory();
3519 dstream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
3520 <<"no metadata found"<<std::endl;
3524 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3527 void Server::inventoryModified(InventoryContext *c, std::string id)
3529 if(id == "current_player")
3531 assert(c->current_player);
3533 UpdateCrafting(c->current_player->peer_id);
3534 SendInventory(c->current_player->peer_id);
3539 std::string id0 = fn.next(":");
3541 if(id0 == "nodemeta")
3544 p.X = stoi(fn.next(","));
3545 p.Y = stoi(fn.next(","));
3546 p.Z = stoi(fn.next(","));
3547 v3s16 blockpos = getNodeBlockPos(p);
3549 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3551 meta->inventoryModified();
3553 for(core::map<u16, RemoteClient*>::Iterator
3554 i = m_clients.getIterator();
3555 i.atEnd()==false; i++)
3557 RemoteClient *client = i.getNode()->getValue();
3558 client->SetBlockNotSent(blockpos);
3564 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3567 core::list<PlayerInfo> Server::getPlayerInfo()
3569 DSTACK(__FUNCTION_NAME);
3570 JMutexAutoLock envlock(m_env_mutex);
3571 JMutexAutoLock conlock(m_con_mutex);
3573 core::list<PlayerInfo> list;
3575 core::list<Player*> players = m_env.getPlayers();
3577 core::list<Player*>::Iterator i;
3578 for(i = players.begin();
3579 i != players.end(); i++)
3583 Player *player = *i;
3586 con::Peer *peer = m_con.GetPeer(player->peer_id);
3587 // Copy info from peer to info struct
3589 info.address = peer->address;
3590 info.avg_rtt = peer->avg_rtt;
3592 catch(con::PeerNotFoundException &e)
3594 // Set dummy peer info
3596 info.address = Address(0,0,0,0,0);
3600 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3601 info.position = player->getPosition();
3603 list.push_back(info);
3610 void Server::peerAdded(con::Peer *peer)
3612 DSTACK(__FUNCTION_NAME);
3613 dout_server<<"Server::peerAdded(): peer->id="
3614 <<peer->id<<std::endl;
3617 c.type = PEER_ADDED;
3618 c.peer_id = peer->id;
3620 m_peer_change_queue.push_back(c);
3623 void Server::deletingPeer(con::Peer *peer, bool timeout)
3625 DSTACK(__FUNCTION_NAME);
3626 dout_server<<"Server::deletingPeer(): peer->id="
3627 <<peer->id<<", timeout="<<timeout<<std::endl;
3630 c.type = PEER_REMOVED;
3631 c.peer_id = peer->id;
3632 c.timeout = timeout;
3633 m_peer_change_queue.push_back(c);
3640 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3642 DSTACK(__FUNCTION_NAME);
3643 std::ostringstream os(std::ios_base::binary);
3645 writeU16(os, TOCLIENT_HP);
3649 std::string s = os.str();
3650 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3652 con.Send(peer_id, 0, data, true);
3655 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3656 const std::wstring &reason)
3658 DSTACK(__FUNCTION_NAME);
3659 std::ostringstream os(std::ios_base::binary);
3661 writeU16(os, TOCLIENT_ACCESS_DENIED);
3662 os<<serializeWideString(reason);
3665 std::string s = os.str();
3666 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3668 con.Send(peer_id, 0, data, true);
3672 Non-static send methods
3675 void Server::SendObjectData(float dtime)
3677 DSTACK(__FUNCTION_NAME);
3679 core::map<v3s16, bool> stepped_blocks;
3681 for(core::map<u16, RemoteClient*>::Iterator
3682 i = m_clients.getIterator();
3683 i.atEnd() == false; i++)
3685 u16 peer_id = i.getNode()->getKey();
3686 RemoteClient *client = i.getNode()->getValue();
3687 assert(client->peer_id == peer_id);
3689 if(client->serialization_version == SER_FMT_VER_INVALID)
3692 client->SendObjectData(this, dtime, stepped_blocks);
3696 void Server::SendPlayerInfos()
3698 DSTACK(__FUNCTION_NAME);
3700 //JMutexAutoLock envlock(m_env_mutex);
3702 // Get connected players
3703 core::list<Player*> players = m_env.getPlayers(true);
3705 u32 player_count = players.getSize();
3706 u32 datasize = 2+(2+PLAYERNAME_SIZE)*player_count;
3708 SharedBuffer<u8> data(datasize);
3709 writeU16(&data[0], TOCLIENT_PLAYERINFO);
3712 core::list<Player*>::Iterator i;
3713 for(i = players.begin();
3714 i != players.end(); i++)
3716 Player *player = *i;
3718 /*dstream<<"Server sending player info for player with "
3719 "peer_id="<<player->peer_id<<std::endl;*/
3721 writeU16(&data[start], player->peer_id);
3722 memset((char*)&data[start+2], 0, PLAYERNAME_SIZE);
3723 snprintf((char*)&data[start+2], PLAYERNAME_SIZE, "%s", player->getName());
3724 start += 2+PLAYERNAME_SIZE;
3727 //JMutexAutoLock conlock(m_con_mutex);
3730 m_con.SendToAll(0, data, true);
3733 void Server::SendInventory(u16 peer_id)
3735 DSTACK(__FUNCTION_NAME);
3737 Player* player = m_env.getPlayer(peer_id);
3744 std::ostringstream os;
3745 //os.imbue(std::locale("C"));
3747 player->inventory.serialize(os);
3749 std::string s = os.str();
3751 SharedBuffer<u8> data(s.size()+2);
3752 writeU16(&data[0], TOCLIENT_INVENTORY);
3753 memcpy(&data[2], s.c_str(), s.size());
3756 m_con.Send(peer_id, 0, data, true);
3759 std::string getWieldedItemString(const Player *player)
3761 const InventoryItem *item = player->getWieldItem();
3763 return std::string("");
3764 std::ostringstream os(std::ios_base::binary);
3765 item->serialize(os);
3769 void Server::SendWieldedItem(const Player* player)
3771 DSTACK(__FUNCTION_NAME);
3775 std::ostringstream os(std::ios_base::binary);
3777 writeU16(os, TOCLIENT_PLAYERITEM);
3779 writeU16(os, player->peer_id);
3780 os<<serializeString(getWieldedItemString(player));
3783 std::string s = os.str();
3784 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3786 m_con.SendToAll(0, data, true);
3789 void Server::SendPlayerItems()
3791 DSTACK(__FUNCTION_NAME);
3793 std::ostringstream os(std::ios_base::binary);
3794 core::list<Player *> players = m_env.getPlayers(true);
3796 writeU16(os, TOCLIENT_PLAYERITEM);
3797 writeU16(os, players.size());
3798 core::list<Player *>::Iterator i;
3799 for(i = players.begin(); i != players.end(); ++i)
3802 writeU16(os, p->peer_id);
3803 os<<serializeString(getWieldedItemString(p));
3807 std::string s = os.str();
3808 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3810 m_con.SendToAll(0, data, true);
3813 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3815 DSTACK(__FUNCTION_NAME);
3817 std::ostringstream os(std::ios_base::binary);
3821 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3822 os.write((char*)buf, 2);
3825 writeU16(buf, message.size());
3826 os.write((char*)buf, 2);
3829 for(u32 i=0; i<message.size(); i++)
3833 os.write((char*)buf, 2);
3837 std::string s = os.str();
3838 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3840 m_con.Send(peer_id, 0, data, true);
3843 void Server::BroadcastChatMessage(const std::wstring &message)
3845 for(core::map<u16, RemoteClient*>::Iterator
3846 i = m_clients.getIterator();
3847 i.atEnd() == false; i++)
3849 // Get client and check that it is valid
3850 RemoteClient *client = i.getNode()->getValue();
3851 assert(client->peer_id == i.getNode()->getKey());
3852 if(client->serialization_version == SER_FMT_VER_INVALID)
3855 SendChatMessage(client->peer_id, message);
3859 void Server::SendPlayerHP(Player *player)
3861 SendHP(m_con, player->peer_id, player->hp);
3864 void Server::SendMovePlayer(Player *player)
3866 DSTACK(__FUNCTION_NAME);
3867 std::ostringstream os(std::ios_base::binary);
3869 writeU16(os, TOCLIENT_MOVE_PLAYER);
3870 writeV3F1000(os, player->getPosition());
3871 writeF1000(os, player->getPitch());
3872 writeF1000(os, player->getYaw());
3875 v3f pos = player->getPosition();
3876 f32 pitch = player->getPitch();
3877 f32 yaw = player->getYaw();
3878 dstream<<"Server sending TOCLIENT_MOVE_PLAYER"
3879 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3886 std::string s = os.str();
3887 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3889 m_con.Send(player->peer_id, 0, data, true);
3892 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3893 core::list<u16> *far_players, float far_d_nodes)
3895 float maxd = far_d_nodes*BS;
3896 v3f p_f = intToFloat(p, BS);
3900 SharedBuffer<u8> reply(replysize);
3901 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3902 writeS16(&reply[2], p.X);
3903 writeS16(&reply[4], p.Y);
3904 writeS16(&reply[6], p.Z);
3906 for(core::map<u16, RemoteClient*>::Iterator
3907 i = m_clients.getIterator();
3908 i.atEnd() == false; i++)
3910 // Get client and check that it is valid
3911 RemoteClient *client = i.getNode()->getValue();
3912 assert(client->peer_id == i.getNode()->getKey());
3913 if(client->serialization_version == SER_FMT_VER_INVALID)
3916 // Don't send if it's the same one
3917 if(client->peer_id == ignore_id)
3923 Player *player = m_env.getPlayer(client->peer_id);
3926 // If player is far away, only set modified blocks not sent
3927 v3f player_pos = player->getPosition();
3928 if(player_pos.getDistanceFrom(p_f) > maxd)
3930 far_players->push_back(client->peer_id);
3937 m_con.Send(client->peer_id, 0, reply, true);
3941 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3942 core::list<u16> *far_players, float far_d_nodes)
3944 float maxd = far_d_nodes*BS;
3945 v3f p_f = intToFloat(p, BS);
3947 for(core::map<u16, RemoteClient*>::Iterator
3948 i = m_clients.getIterator();
3949 i.atEnd() == false; i++)
3951 // Get client and check that it is valid
3952 RemoteClient *client = i.getNode()->getValue();
3953 assert(client->peer_id == i.getNode()->getKey());
3954 if(client->serialization_version == SER_FMT_VER_INVALID)
3957 // Don't send if it's the same one
3958 if(client->peer_id == ignore_id)
3964 Player *player = m_env.getPlayer(client->peer_id);
3967 // If player is far away, only set modified blocks not sent
3968 v3f player_pos = player->getPosition();
3969 if(player_pos.getDistanceFrom(p_f) > maxd)
3971 far_players->push_back(client->peer_id);
3978 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3979 SharedBuffer<u8> reply(replysize);
3980 writeU16(&reply[0], TOCLIENT_ADDNODE);
3981 writeS16(&reply[2], p.X);
3982 writeS16(&reply[4], p.Y);
3983 writeS16(&reply[6], p.Z);
3984 n.serialize(&reply[8], client->serialization_version);
3987 m_con.Send(client->peer_id, 0, reply, true);
3991 void Server::setBlockNotSent(v3s16 p)
3993 for(core::map<u16, RemoteClient*>::Iterator
3994 i = m_clients.getIterator();
3995 i.atEnd()==false; i++)
3997 RemoteClient *client = i.getNode()->getValue();
3998 client->SetBlockNotSent(p);
4002 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
4004 DSTACK(__FUNCTION_NAME);
4006 v3s16 p = block->getPos();
4010 bool completely_air = true;
4011 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
4012 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
4013 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
4015 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
4017 completely_air = false;
4018 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
4023 dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
4025 dstream<<"[completely air] ";
4030 Create a packet with the block in the right format
4033 std::ostringstream os(std::ios_base::binary);
4034 block->serialize(os, ver);
4035 std::string s = os.str();
4036 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
4038 u32 replysize = 8 + blockdata.getSize();
4039 SharedBuffer<u8> reply(replysize);
4040 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
4041 writeS16(&reply[2], p.X);
4042 writeS16(&reply[4], p.Y);
4043 writeS16(&reply[6], p.Z);
4044 memcpy(&reply[8], *blockdata, blockdata.getSize());
4046 /*dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
4047 <<": \tpacket size: "<<replysize<<std::endl;*/
4052 m_con.Send(peer_id, 1, reply, true);
4055 void Server::SendBlocks(float dtime)
4057 DSTACK(__FUNCTION_NAME);
4059 JMutexAutoLock envlock(m_env_mutex);
4060 JMutexAutoLock conlock(m_con_mutex);
4062 //TimeTaker timer("Server::SendBlocks");
4064 core::array<PrioritySortedBlockTransfer> queue;
4066 s32 total_sending = 0;
4069 ScopeProfiler sp(&g_profiler, "Server: selecting blocks for sending");
4071 for(core::map<u16, RemoteClient*>::Iterator
4072 i = m_clients.getIterator();
4073 i.atEnd() == false; i++)
4075 RemoteClient *client = i.getNode()->getValue();
4076 assert(client->peer_id == i.getNode()->getKey());
4078 total_sending += client->SendingCount();
4080 if(client->serialization_version == SER_FMT_VER_INVALID)
4083 client->GetNextBlocks(this, dtime, queue);
4088 // Lowest priority number comes first.
4089 // Lowest is most important.
4092 for(u32 i=0; i<queue.size(); i++)
4094 //TODO: Calculate limit dynamically
4095 if(total_sending >= g_settings.getS32
4096 ("max_simultaneous_block_sends_server_total"))
4099 PrioritySortedBlockTransfer q = queue[i];
4101 MapBlock *block = NULL;
4104 block = m_env.getMap().getBlockNoCreate(q.pos);
4106 catch(InvalidPositionException &e)
4111 RemoteClient *client = getClient(q.peer_id);
4113 SendBlockNoLock(q.peer_id, block, client->serialization_version);
4115 client->SentBlock(q.pos);
4125 void Server::UpdateCrafting(u16 peer_id)
4127 DSTACK(__FUNCTION_NAME);
4129 Player* player = m_env.getPlayer(peer_id);
4133 Calculate crafting stuff
4135 if(g_settings.getBool("creative_mode") == false)
4137 InventoryList *clist = player->inventory.getList("craft");
4138 InventoryList *rlist = player->inventory.getList("craftresult");
4140 if(rlist->getUsedSlots() == 0)
4141 player->craftresult_is_preview = true;
4143 if(rlist && player->craftresult_is_preview)
4145 rlist->clearItems();
4147 if(clist && rlist && player->craftresult_is_preview)
4149 InventoryItem *items[9];
4150 for(u16 i=0; i<9; i++)
4152 items[i] = clist->getItem(i);
4155 // Get result of crafting grid
4156 InventoryItem *result = craft_get_result(items);
4158 rlist->addItem(result);
4161 } // if creative_mode == false
4164 RemoteClient* Server::getClient(u16 peer_id)
4166 DSTACK(__FUNCTION_NAME);
4167 //JMutexAutoLock lock(m_con_mutex);
4168 core::map<u16, RemoteClient*>::Node *n;
4169 n = m_clients.find(peer_id);
4170 // A client should exist for all peers
4172 return n->getValue();
4175 std::wstring Server::getStatusString()
4177 std::wostringstream os(std::ios_base::binary);
4180 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4182 os<<L", uptime="<<m_uptime.get();
4183 // Information about clients
4185 for(core::map<u16, RemoteClient*>::Iterator
4186 i = m_clients.getIterator();
4187 i.atEnd() == false; i++)
4189 // Get client and check that it is valid
4190 RemoteClient *client = i.getNode()->getValue();
4191 assert(client->peer_id == i.getNode()->getKey());
4192 if(client->serialization_version == SER_FMT_VER_INVALID)
4195 Player *player = m_env.getPlayer(client->peer_id);
4196 // Get name of player
4197 std::wstring name = L"unknown";
4199 name = narrow_to_wide(player->getName());
4200 // Add name to information string
4204 if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == false)
4205 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4206 if(g_settings.get("motd") != "")
4207 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings.get("motd"));
4211 v3f findSpawnPos(ServerMap &map)
4213 //return v3f(50,50,50)*BS;
4216 s16 groundheight = 0;
4219 nodepos = v2s16(0,0);
4224 // Try to find a good place a few times
4225 for(s32 i=0; i<1000; i++)
4228 // We're going to try to throw the player to this position
4229 nodepos = v2s16(-range + (myrand()%(range*2)),
4230 -range + (myrand()%(range*2)));
4231 v2s16 sectorpos = getNodeSectorPos(nodepos);
4232 // Get sector (NOTE: Don't get because it's slow)
4233 //m_env.getMap().emergeSector(sectorpos);
4234 // Get ground height at point (fallbacks to heightmap function)
4235 groundheight = map.findGroundLevel(nodepos);
4236 // Don't go underwater
4237 if(groundheight < WATER_LEVEL)
4239 //dstream<<"-> Underwater"<<std::endl;
4242 // Don't go to high places
4243 if(groundheight > WATER_LEVEL + 4)
4245 //dstream<<"-> Underwater"<<std::endl;
4249 // Found a good place
4250 //dstream<<"Searched through "<<i<<" places."<<std::endl;
4255 // If no suitable place was not found, go above water at least.
4256 if(groundheight < WATER_LEVEL)
4257 groundheight = WATER_LEVEL;
4259 return intToFloat(v3s16(
4266 Player *Server::emergePlayer(const char *name, const char *password, u16 peer_id)
4269 Try to get an existing player
4271 Player *player = m_env.getPlayer(name);
4274 // If player is already connected, cancel
4275 if(player->peer_id != 0)
4277 dstream<<"emergePlayer(): Player already connected"<<std::endl;
4282 player->peer_id = peer_id;
4284 // Reset inventory to creative if in creative mode
4285 if(g_settings.getBool("creative_mode"))
4287 // Warning: double code below
4288 // Backup actual inventory
4289 player->inventory_backup = new Inventory();
4290 *(player->inventory_backup) = player->inventory;
4291 // Set creative inventory
4292 craft_set_creative_inventory(player);
4299 If player with the wanted peer_id already exists, cancel.
4301 if(m_env.getPlayer(peer_id) != NULL)
4303 dstream<<"emergePlayer(): Player with wrong name but same"
4304 " peer_id already exists"<<std::endl;
4312 player = new ServerRemotePlayer();
4313 //player->peer_id = c.peer_id;
4314 //player->peer_id = PEER_ID_INEXISTENT;
4315 player->peer_id = peer_id;
4316 player->updateName(name);
4317 m_authmanager.add(name);
4318 m_authmanager.setPassword(name, password);
4319 m_authmanager.setPrivs(name,
4320 stringToPrivs(g_settings.get("default_privs")));
4326 dstream<<"Server: Finding spawn place for player \""
4327 <<player->getName()<<"\""<<std::endl;
4329 v3f pos = findSpawnPos(m_env.getServerMap());
4331 player->setPosition(pos);
4334 Add player to environment
4337 m_env.addPlayer(player);
4340 Add stuff to inventory
4343 if(g_settings.getBool("creative_mode"))
4345 // Warning: double code above
4346 // Backup actual inventory
4347 player->inventory_backup = new Inventory();
4348 *(player->inventory_backup) = player->inventory;
4349 // Set creative inventory
4350 craft_set_creative_inventory(player);
4352 else if(g_settings.getBool("give_initial_stuff"))
4354 craft_give_initial_stuff(player);
4359 } // create new player
4362 void Server::handlePeerChange(PeerChange &c)
4364 JMutexAutoLock envlock(m_env_mutex);
4365 JMutexAutoLock conlock(m_con_mutex);
4367 if(c.type == PEER_ADDED)
4374 core::map<u16, RemoteClient*>::Node *n;
4375 n = m_clients.find(c.peer_id);
4376 // The client shouldn't already exist
4380 RemoteClient *client = new RemoteClient();
4381 client->peer_id = c.peer_id;
4382 m_clients.insert(client->peer_id, client);
4385 else if(c.type == PEER_REMOVED)
4392 core::map<u16, RemoteClient*>::Node *n;
4393 n = m_clients.find(c.peer_id);
4394 // The client should exist
4398 Mark objects to be not known by the client
4400 RemoteClient *client = n->getValue();
4402 for(core::map<u16, bool>::Iterator
4403 i = client->m_known_objects.getIterator();
4404 i.atEnd()==false; i++)
4407 u16 id = i.getNode()->getKey();
4408 ServerActiveObject* obj = m_env.getActiveObject(id);
4410 if(obj && obj->m_known_by_count > 0)
4411 obj->m_known_by_count--;
4414 // Collect information about leaving in chat
4415 std::wstring message;
4417 std::wstring name = L"unknown";
4418 Player *player = m_env.getPlayer(c.peer_id);
4420 name = narrow_to_wide(player->getName());
4424 message += L" left game";
4426 message += L" (timed out)";
4431 m_env.removePlayer(c.peer_id);
4434 // Set player client disconnected
4436 Player *player = m_env.getPlayer(c.peer_id);
4438 player->peer_id = 0;
4442 delete m_clients[c.peer_id];
4443 m_clients.remove(c.peer_id);
4445 // Send player info to all remaining clients
4448 // Send leave chat message to all remaining clients
4449 BroadcastChatMessage(message);
4458 void Server::handlePeerChanges()
4460 while(m_peer_change_queue.size() > 0)
4462 PeerChange c = m_peer_change_queue.pop_front();
4464 dout_server<<"Server: Handling peer change: "
4465 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4468 handlePeerChange(c);
4472 u64 Server::getPlayerPrivs(Player *player)
4476 std::string playername = player->getName();
4477 // Local player gets all privileges regardless of
4478 // what's set on their account.
4479 if(g_settings.get("name") == playername)
4485 return getPlayerAuthPrivs(playername);
4489 void dedicated_server_loop(Server &server, bool &kill)
4491 DSTACK(__FUNCTION_NAME);
4493 dstream<<DTIME<<std::endl;
4494 dstream<<"========================"<<std::endl;
4495 dstream<<"Running dedicated server"<<std::endl;
4496 dstream<<"========================"<<std::endl;
4499 IntervalLimiter m_profiler_interval;
4503 // This is kind of a hack but can be done like this
4504 // because server.step() is very light
4506 ScopeProfiler sp(&g_profiler, "dedicated server sleep");
4511 if(server.getShutdownRequested() || kill)
4513 dstream<<DTIME<<" dedicated_server_loop(): Quitting."<<std::endl;
4520 float profiler_print_interval =
4521 g_settings.getFloat("profiler_print_interval");
4522 if(profiler_print_interval != 0)
4524 if(m_profiler_interval.step(0.030, profiler_print_interval))
4526 dstream<<"Profiler:"<<std::endl;
4527 g_profiler.print(dstream);
4535 static int counter = 0;
4541 core::list<PlayerInfo> list = server.getPlayerInfo();
4542 core::list<PlayerInfo>::Iterator i;
4543 static u32 sum_old = 0;
4544 u32 sum = PIChecksum(list);
4547 dstream<<DTIME<<"Player info:"<<std::endl;
4548 for(i=list.begin(); i!=list.end(); i++)
4550 i->PrintLine(&dstream);