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
786 std::ostringstream os(std::ios_base::binary);
790 writeU16(buf, TOCLIENT_OBJECTDATA);
791 os.write((char*)buf, 2);
794 Get and write player data
797 // Get connected players
798 core::list<Player*> players = server->m_env.getPlayers(true);
800 // Write player count
801 u16 playercount = players.size();
802 writeU16(buf, playercount);
803 os.write((char*)buf, 2);
805 core::list<Player*>::Iterator i;
806 for(i = players.begin();
807 i != players.end(); i++)
811 v3f pf = player->getPosition();
812 v3f sf = player->getSpeed();
814 v3s32 position_i(pf.X*100, pf.Y*100, pf.Z*100);
815 v3s32 speed_i (sf.X*100, sf.Y*100, sf.Z*100);
816 s32 pitch_i (player->getPitch() * 100);
817 s32 yaw_i (player->getYaw() * 100);
819 writeU16(buf, player->peer_id);
820 os.write((char*)buf, 2);
821 writeV3S32(buf, position_i);
822 os.write((char*)buf, 12);
823 writeV3S32(buf, speed_i);
824 os.write((char*)buf, 12);
825 writeS32(buf, pitch_i);
826 os.write((char*)buf, 4);
827 writeS32(buf, yaw_i);
828 os.write((char*)buf, 4);
832 Get and write object data
838 For making players to be able to build to their nearby
839 environment (building is not possible on blocks that are not
842 - Add blocks to emerge queue if they are not found
844 SUGGESTION: These could be ignored from the backside of the player
847 Player *player = server->m_env.getPlayer(peer_id);
851 v3f playerpos = player->getPosition();
852 v3f playerspeed = player->getSpeed();
854 v3s16 center_nodepos = floatToInt(playerpos, BS);
855 v3s16 center = getNodeBlockPos(center_nodepos);
857 s16 d_max = g_settings.getS16("active_object_range");
859 // Number of blocks whose objects were written to bos
862 std::ostringstream bos(std::ios_base::binary);
864 for(s16 d = 0; d <= d_max; d++)
866 core::list<v3s16> list;
867 getFacePositions(list, d);
869 core::list<v3s16>::Iterator li;
870 for(li=list.begin(); li!=list.end(); li++)
872 v3s16 p = *li + center;
875 Ignore blocks that haven't been sent to the client
878 if(m_blocks_sent.find(p) == NULL)
882 // Try stepping block and add it to a send queue
887 MapBlock *block = server->m_env.getMap().getBlockNoCreate(p);
890 Step block if not in stepped_blocks and add to stepped_blocks.
892 if(stepped_blocks.find(p) == NULL)
894 block->stepObjects(dtime, true, server->m_env.getDayNightRatio());
895 stepped_blocks.insert(p, true);
896 block->setChangedFlag();
899 // Skip block if there are no objects
900 if(block->getObjectCount() == 0)
909 bos.write((char*)buf, 6);
912 //block->serializeObjects(bos, serialization_version); // DEPRECATED
919 Stop collecting objects if data is already too big
921 // Sum of player and object data sizes
922 s32 sum = (s32)os.tellp() + 2 + (s32)bos.tellp();
923 // break out if data too big
924 if(sum > MAX_OBJECTDATA_SIZE)
926 goto skip_subsequent;
930 catch(InvalidPositionException &e)
933 // Add it to the emerge queue and trigger the thread.
934 // Fetch the block only if it is on disk.
936 // Grab and increment counter
937 /*SharedPtr<JMutexAutoLock> lock
938 (m_num_blocks_in_emerge_queue.getLock());
939 m_num_blocks_in_emerge_queue.m_value++;*/
941 // Add to queue as an anonymous fetch from disk
942 u8 flags = BLOCK_EMERGE_FLAG_FROMDISK;
943 server->m_emerge_queue.addBlock(0, p, flags);
944 server->m_emergethread.trigger();
952 writeU16(buf, blockcount);
953 os.write((char*)buf, 2);
955 // Write block objects
962 //dstream<<"Server: Sending object data to "<<peer_id<<std::endl;
965 std::string s = os.str();
966 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
967 // Send as unreliable
968 server->m_con.Send(peer_id, 0, data, false);
971 void RemoteClient::GotBlock(v3s16 p)
973 if(m_blocks_sending.find(p) != NULL)
974 m_blocks_sending.remove(p);
977 /*dstream<<"RemoteClient::GotBlock(): Didn't find in"
978 " m_blocks_sending"<<std::endl;*/
979 m_excess_gotblocks++;
981 m_blocks_sent.insert(p, true);
984 void RemoteClient::SentBlock(v3s16 p)
986 if(m_blocks_sending.find(p) == NULL)
987 m_blocks_sending.insert(p, 0.0);
989 dstream<<"RemoteClient::SentBlock(): Sent block"
990 " already in m_blocks_sending"<<std::endl;
993 void RemoteClient::SetBlockNotSent(v3s16 p)
995 m_nearest_unsent_d = 0;
997 if(m_blocks_sending.find(p) != NULL)
998 m_blocks_sending.remove(p);
999 if(m_blocks_sent.find(p) != NULL)
1000 m_blocks_sent.remove(p);
1003 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
1005 m_nearest_unsent_d = 0;
1007 for(core::map<v3s16, MapBlock*>::Iterator
1008 i = blocks.getIterator();
1009 i.atEnd()==false; i++)
1011 v3s16 p = i.getNode()->getKey();
1013 if(m_blocks_sending.find(p) != NULL)
1014 m_blocks_sending.remove(p);
1015 if(m_blocks_sent.find(p) != NULL)
1016 m_blocks_sent.remove(p);
1024 PlayerInfo::PlayerInfo()
1030 void PlayerInfo::PrintLine(std::ostream *s)
1033 (*s)<<"\""<<name<<"\" ("
1034 <<(position.X/10)<<","<<(position.Y/10)
1035 <<","<<(position.Z/10)<<") ";
1037 (*s)<<" avg_rtt="<<avg_rtt;
1041 u32 PIChecksum(core::list<PlayerInfo> &l)
1043 core::list<PlayerInfo>::Iterator i;
1046 for(i=l.begin(); i!=l.end(); i++)
1048 checksum += a * (i->id+1);
1049 checksum ^= 0x435aafcd;
1060 std::string mapsavedir,
1061 std::string configpath
1063 m_env(new ServerMap(mapsavedir), this),
1064 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
1065 m_authmanager(mapsavedir+"/auth.txt"),
1066 m_banmanager(mapsavedir+"/ipban.txt"),
1068 m_emergethread(this),
1070 m_time_of_day_send_timer(0),
1072 m_mapsavedir(mapsavedir),
1073 m_configpath(configpath),
1074 m_shutdown_requested(false),
1075 m_ignore_map_edit_events(false),
1076 m_ignore_map_edit_events_peer_id(0)
1078 m_liquid_transform_timer = 0.0;
1079 m_print_info_timer = 0.0;
1080 m_objectdata_timer = 0.0;
1081 m_emergethread_trigger_timer = 0.0;
1082 m_savemap_timer = 0.0;
1086 m_step_dtime_mutex.Init();
1089 // Register us to receive map edit events
1090 m_env.getMap().addEventReceiver(this);
1092 // If file exists, load environment metadata
1093 if(fs::PathExists(m_mapsavedir+"/env_meta.txt"))
1095 dstream<<"Server: Loading environment metadata"<<std::endl;
1096 m_env.loadMeta(m_mapsavedir);
1100 dstream<<"Server: Loading players"<<std::endl;
1101 m_env.deSerializePlayers(m_mapsavedir);
1106 dstream<<"Server::~Server()"<<std::endl;
1109 Send shutdown message
1112 JMutexAutoLock conlock(m_con_mutex);
1114 std::wstring line = L"*** Server shutting down";
1117 Send the message to clients
1119 for(core::map<u16, RemoteClient*>::Iterator
1120 i = m_clients.getIterator();
1121 i.atEnd() == false; i++)
1123 // Get client and check that it is valid
1124 RemoteClient *client = i.getNode()->getValue();
1125 assert(client->peer_id == i.getNode()->getKey());
1126 if(client->serialization_version == SER_FMT_VER_INVALID)
1130 SendChatMessage(client->peer_id, line);
1132 catch(con::PeerNotFoundException &e)
1140 dstream<<"Server: Saving players"<<std::endl;
1141 m_env.serializePlayers(m_mapsavedir);
1144 Save environment metadata
1146 dstream<<"Server: Saving environment metadata"<<std::endl;
1147 m_env.saveMeta(m_mapsavedir);
1158 JMutexAutoLock clientslock(m_con_mutex);
1160 for(core::map<u16, RemoteClient*>::Iterator
1161 i = m_clients.getIterator();
1162 i.atEnd() == false; i++)
1165 // NOTE: These are removed by env destructor
1167 u16 peer_id = i.getNode()->getKey();
1168 JMutexAutoLock envlock(m_env_mutex);
1169 m_env.removePlayer(peer_id);
1173 delete i.getNode()->getValue();
1178 void Server::start(unsigned short port)
1180 DSTACK(__FUNCTION_NAME);
1181 // Stop thread if already running
1184 // Initialize connection
1185 m_con.setTimeoutMs(30);
1189 m_thread.setRun(true);
1192 dout_server<<"Server: Started on port "<<port<<std::endl;
1197 DSTACK(__FUNCTION_NAME);
1199 // Stop threads (set run=false first so both start stopping)
1200 m_thread.setRun(false);
1201 m_emergethread.setRun(false);
1203 m_emergethread.stop();
1205 dout_server<<"Server: Threads stopped"<<std::endl;
1208 void Server::step(float dtime)
1210 DSTACK(__FUNCTION_NAME);
1215 JMutexAutoLock lock(m_step_dtime_mutex);
1216 m_step_dtime += dtime;
1220 void Server::AsyncRunStep()
1222 DSTACK(__FUNCTION_NAME);
1226 JMutexAutoLock lock1(m_step_dtime_mutex);
1227 dtime = m_step_dtime;
1231 ScopeProfiler sp(&g_profiler, "Server: selecting and sending "
1232 "blocks to clients");
1233 // Send blocks to clients
1240 //dstream<<"Server steps "<<dtime<<std::endl;
1241 //dstream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1244 JMutexAutoLock lock1(m_step_dtime_mutex);
1245 m_step_dtime -= dtime;
1252 m_uptime.set(m_uptime.get() + dtime);
1256 Update m_time_of_day and overall game time
1259 JMutexAutoLock envlock(m_env_mutex);
1261 m_time_counter += dtime;
1262 f32 speed = g_settings.getFloat("time_speed") * 24000./(24.*3600);
1263 u32 units = (u32)(m_time_counter*speed);
1264 m_time_counter -= (f32)units / speed;
1266 m_env.setTimeOfDay((m_env.getTimeOfDay() + units) % 24000);
1268 //dstream<<"Server: m_time_of_day = "<<m_time_of_day.get()<<std::endl;
1271 Send to clients at constant intervals
1274 m_time_of_day_send_timer -= dtime;
1275 if(m_time_of_day_send_timer < 0.0)
1277 m_time_of_day_send_timer = g_settings.getFloat("time_send_interval");
1279 //JMutexAutoLock envlock(m_env_mutex);
1280 JMutexAutoLock conlock(m_con_mutex);
1282 for(core::map<u16, RemoteClient*>::Iterator
1283 i = m_clients.getIterator();
1284 i.atEnd() == false; i++)
1286 RemoteClient *client = i.getNode()->getValue();
1287 //Player *player = m_env.getPlayer(client->peer_id);
1289 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1290 m_env.getTimeOfDay());
1292 m_con.Send(client->peer_id, 0, data, true);
1298 // Process connection's timeouts
1299 JMutexAutoLock lock2(m_con_mutex);
1300 ScopeProfiler sp(&g_profiler, "Server: connection timeout processing");
1301 m_con.RunTimeouts(dtime);
1305 // This has to be called so that the client list gets synced
1306 // with the peer list of the connection
1307 ScopeProfiler sp(&g_profiler, "Server: peer change handling");
1308 handlePeerChanges();
1312 JMutexAutoLock lock(m_env_mutex);
1314 ScopeProfiler sp(&g_profiler, "Server: environment step");
1318 const float map_timer_and_unload_dtime = 5.15;
1319 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
1321 JMutexAutoLock lock(m_env_mutex);
1322 // Run Map's timers and unload unused data
1323 ScopeProfiler sp(&g_profiler, "Server: map timer and unload");
1324 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
1325 g_settings.getFloat("server_unload_unused_data_timeout"));
1335 m_liquid_transform_timer += dtime;
1336 if(m_liquid_transform_timer >= 1.00)
1338 m_liquid_transform_timer -= 1.00;
1340 JMutexAutoLock lock(m_env_mutex);
1342 ScopeProfiler sp(&g_profiler, "Server: liquid transform");
1344 core::map<v3s16, MapBlock*> modified_blocks;
1345 m_env.getMap().transformLiquids(modified_blocks);
1350 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1351 ServerMap &map = ((ServerMap&)m_env.getMap());
1352 map.updateLighting(modified_blocks, lighting_modified_blocks);
1354 // Add blocks modified by lighting to modified_blocks
1355 for(core::map<v3s16, MapBlock*>::Iterator
1356 i = lighting_modified_blocks.getIterator();
1357 i.atEnd() == false; i++)
1359 MapBlock *block = i.getNode()->getValue();
1360 modified_blocks.insert(block->getPos(), block);
1364 Set the modified blocks unsent for all the clients
1367 JMutexAutoLock lock2(m_con_mutex);
1369 for(core::map<u16, RemoteClient*>::Iterator
1370 i = m_clients.getIterator();
1371 i.atEnd() == false; i++)
1373 RemoteClient *client = i.getNode()->getValue();
1375 if(modified_blocks.size() > 0)
1377 // Remove block from sent history
1378 client->SetBlocksNotSent(modified_blocks);
1383 // Periodically print some info
1385 float &counter = m_print_info_timer;
1391 JMutexAutoLock lock2(m_con_mutex);
1393 for(core::map<u16, RemoteClient*>::Iterator
1394 i = m_clients.getIterator();
1395 i.atEnd() == false; i++)
1397 //u16 peer_id = i.getNode()->getKey();
1398 RemoteClient *client = i.getNode()->getValue();
1399 Player *player = m_env.getPlayer(client->peer_id);
1402 std::cout<<player->getName()<<"\t";
1403 client->PrintInfo(std::cout);
1408 //if(g_settings.getBool("enable_experimental"))
1412 Check added and deleted active objects
1415 //dstream<<"Server: Checking added and deleted active objects"<<std::endl;
1416 JMutexAutoLock envlock(m_env_mutex);
1417 JMutexAutoLock conlock(m_con_mutex);
1419 ScopeProfiler sp(&g_profiler, "Server: checking added and deleted objects");
1421 // Radius inside which objects are active
1424 for(core::map<u16, RemoteClient*>::Iterator
1425 i = m_clients.getIterator();
1426 i.atEnd() == false; i++)
1428 RemoteClient *client = i.getNode()->getValue();
1429 Player *player = m_env.getPlayer(client->peer_id);
1432 // This can happen if the client timeouts somehow
1433 /*dstream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
1435 <<" has no associated player"<<std::endl;*/
1438 v3s16 pos = floatToInt(player->getPosition(), BS);
1440 core::map<u16, bool> removed_objects;
1441 core::map<u16, bool> added_objects;
1442 m_env.getRemovedActiveObjects(pos, radius,
1443 client->m_known_objects, removed_objects);
1444 m_env.getAddedActiveObjects(pos, radius,
1445 client->m_known_objects, added_objects);
1447 // Ignore if nothing happened
1448 if(removed_objects.size() == 0 && added_objects.size() == 0)
1450 //dstream<<"INFO: active objects: none changed"<<std::endl;
1454 std::string data_buffer;
1458 // Handle removed objects
1459 writeU16((u8*)buf, removed_objects.size());
1460 data_buffer.append(buf, 2);
1461 for(core::map<u16, bool>::Iterator
1462 i = removed_objects.getIterator();
1463 i.atEnd()==false; i++)
1466 u16 id = i.getNode()->getKey();
1467 ServerActiveObject* obj = m_env.getActiveObject(id);
1469 // Add to data buffer for sending
1470 writeU16((u8*)buf, i.getNode()->getKey());
1471 data_buffer.append(buf, 2);
1473 // Remove from known objects
1474 client->m_known_objects.remove(i.getNode()->getKey());
1476 if(obj && obj->m_known_by_count > 0)
1477 obj->m_known_by_count--;
1480 // Handle added objects
1481 writeU16((u8*)buf, added_objects.size());
1482 data_buffer.append(buf, 2);
1483 for(core::map<u16, bool>::Iterator
1484 i = added_objects.getIterator();
1485 i.atEnd()==false; i++)
1488 u16 id = i.getNode()->getKey();
1489 ServerActiveObject* obj = m_env.getActiveObject(id);
1492 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1494 dstream<<"WARNING: "<<__FUNCTION_NAME
1495 <<": NULL object"<<std::endl;
1497 type = obj->getType();
1499 // Add to data buffer for sending
1500 writeU16((u8*)buf, id);
1501 data_buffer.append(buf, 2);
1502 writeU8((u8*)buf, type);
1503 data_buffer.append(buf, 1);
1506 data_buffer.append(serializeLongString(
1507 obj->getClientInitializationData()));
1509 data_buffer.append(serializeLongString(""));
1511 // Add to known objects
1512 client->m_known_objects.insert(i.getNode()->getKey(), false);
1515 obj->m_known_by_count++;
1519 SharedBuffer<u8> reply(2 + data_buffer.size());
1520 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1521 memcpy((char*)&reply[2], data_buffer.c_str(),
1522 data_buffer.size());
1524 m_con.Send(client->peer_id, 0, reply, true);
1526 dstream<<"INFO: Server: Sent object remove/add: "
1527 <<removed_objects.size()<<" removed, "
1528 <<added_objects.size()<<" added, "
1529 <<"packet size is "<<reply.getSize()<<std::endl;
1534 Collect a list of all the objects known by the clients
1535 and report it back to the environment.
1538 core::map<u16, bool> all_known_objects;
1540 for(core::map<u16, RemoteClient*>::Iterator
1541 i = m_clients.getIterator();
1542 i.atEnd() == false; i++)
1544 RemoteClient *client = i.getNode()->getValue();
1545 // Go through all known objects of client
1546 for(core::map<u16, bool>::Iterator
1547 i = client->m_known_objects.getIterator();
1548 i.atEnd()==false; i++)
1550 u16 id = i.getNode()->getKey();
1551 all_known_objects[id] = true;
1555 m_env.setKnownActiveObjects(whatever);
1561 Send object messages
1564 JMutexAutoLock envlock(m_env_mutex);
1565 JMutexAutoLock conlock(m_con_mutex);
1567 ScopeProfiler sp(&g_profiler, "Server: sending object messages");
1570 // Value = data sent by object
1571 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1573 // Get active object messages from environment
1576 ActiveObjectMessage aom = m_env.getActiveObjectMessage();
1580 core::list<ActiveObjectMessage>* message_list = NULL;
1581 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1582 n = buffered_messages.find(aom.id);
1585 message_list = new core::list<ActiveObjectMessage>;
1586 buffered_messages.insert(aom.id, message_list);
1590 message_list = n->getValue();
1592 message_list->push_back(aom);
1595 // Route data to every client
1596 for(core::map<u16, RemoteClient*>::Iterator
1597 i = m_clients.getIterator();
1598 i.atEnd()==false; i++)
1600 RemoteClient *client = i.getNode()->getValue();
1601 std::string reliable_data;
1602 std::string unreliable_data;
1603 // Go through all objects in message buffer
1604 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1605 j = buffered_messages.getIterator();
1606 j.atEnd()==false; j++)
1608 // If object is not known by client, skip it
1609 u16 id = j.getNode()->getKey();
1610 if(client->m_known_objects.find(id) == NULL)
1612 // Get message list of object
1613 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1614 // Go through every message
1615 for(core::list<ActiveObjectMessage>::Iterator
1616 k = list->begin(); k != list->end(); k++)
1618 // Compose the full new data with header
1619 ActiveObjectMessage aom = *k;
1620 std::string new_data;
1623 writeU16((u8*)&buf[0], aom.id);
1624 new_data.append(buf, 2);
1626 new_data += serializeString(aom.datastring);
1627 // Add data to buffer
1629 reliable_data += new_data;
1631 unreliable_data += new_data;
1635 reliable_data and unreliable_data are now ready.
1638 if(reliable_data.size() > 0)
1640 SharedBuffer<u8> reply(2 + reliable_data.size());
1641 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1642 memcpy((char*)&reply[2], reliable_data.c_str(),
1643 reliable_data.size());
1645 m_con.Send(client->peer_id, 0, reply, true);
1647 if(unreliable_data.size() > 0)
1649 SharedBuffer<u8> reply(2 + unreliable_data.size());
1650 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1651 memcpy((char*)&reply[2], unreliable_data.c_str(),
1652 unreliable_data.size());
1653 // Send as unreliable
1654 m_con.Send(client->peer_id, 0, reply, false);
1657 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1659 dstream<<"INFO: Server: Size of object message data: "
1660 <<"reliable: "<<reliable_data.size()
1661 <<", unreliable: "<<unreliable_data.size()
1666 // Clear buffered_messages
1667 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1668 i = buffered_messages.getIterator();
1669 i.atEnd()==false; i++)
1671 delete i.getNode()->getValue();
1675 } // enable_experimental
1678 Send queued-for-sending map edit events.
1681 // Don't send too many at a time
1684 // Single change sending is disabled if queue size is not small
1685 bool disable_single_change_sending = false;
1686 if(m_unsent_map_edit_queue.size() >= 4)
1687 disable_single_change_sending = true;
1689 bool got_any_events = false;
1691 // We'll log the amount of each
1694 while(m_unsent_map_edit_queue.size() != 0)
1696 got_any_events = true;
1698 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1700 // Players far away from the change are stored here.
1701 // Instead of sending the changes, MapBlocks are set not sent
1703 core::list<u16> far_players;
1705 if(event->type == MEET_ADDNODE)
1707 //dstream<<"Server: MEET_ADDNODE"<<std::endl;
1708 prof.add("MEET_ADDNODE", 1);
1709 if(disable_single_change_sending)
1710 sendAddNode(event->p, event->n, event->already_known_by_peer,
1713 sendAddNode(event->p, event->n, event->already_known_by_peer,
1716 else if(event->type == MEET_REMOVENODE)
1718 //dstream<<"Server: MEET_REMOVENODE"<<std::endl;
1719 prof.add("MEET_REMOVENODE", 1);
1720 if(disable_single_change_sending)
1721 sendRemoveNode(event->p, event->already_known_by_peer,
1724 sendRemoveNode(event->p, event->already_known_by_peer,
1727 else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
1729 dstream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
1730 prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
1731 setBlockNotSent(event->p);
1733 else if(event->type == MEET_OTHER)
1735 dstream<<"Server: MEET_OTHER"<<std::endl;
1736 prof.add("MEET_OTHER", 1);
1737 for(core::map<v3s16, bool>::Iterator
1738 i = event->modified_blocks.getIterator();
1739 i.atEnd()==false; i++)
1741 v3s16 p = i.getNode()->getKey();
1747 prof.add("unknown", 1);
1748 dstream<<"WARNING: Server: Unknown MapEditEvent "
1749 <<((u32)event->type)<<std::endl;
1753 Set blocks not sent to far players
1755 if(far_players.size() > 0)
1757 // Convert list format to that wanted by SetBlocksNotSent
1758 core::map<v3s16, MapBlock*> modified_blocks2;
1759 for(core::map<v3s16, bool>::Iterator
1760 i = event->modified_blocks.getIterator();
1761 i.atEnd()==false; i++)
1763 v3s16 p = i.getNode()->getKey();
1764 modified_blocks2.insert(p,
1765 m_env.getMap().getBlockNoCreateNoEx(p));
1767 // Set blocks not sent
1768 for(core::list<u16>::Iterator
1769 i = far_players.begin();
1770 i != far_players.end(); i++)
1773 RemoteClient *client = getClient(peer_id);
1776 client->SetBlocksNotSent(modified_blocks2);
1782 /*// Don't send too many at a time
1784 if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
1790 dstream<<"Server: MapEditEvents:"<<std::endl;
1791 prof.print(dstream);
1797 Send object positions
1798 TODO: Get rid of MapBlockObjects
1801 float &counter = m_objectdata_timer;
1803 if(counter >= g_settings.getFloat("objectdata_interval"))
1805 JMutexAutoLock lock1(m_env_mutex);
1806 JMutexAutoLock lock2(m_con_mutex);
1808 ScopeProfiler sp(&g_profiler, "Server: sending mbo positions");
1810 SendObjectData(counter);
1817 Trigger emergethread (it somehow gets to a non-triggered but
1818 bysy state sometimes)
1821 float &counter = m_emergethread_trigger_timer;
1827 m_emergethread.trigger();
1831 // Save map, players and auth stuff
1833 float &counter = m_savemap_timer;
1835 if(counter >= g_settings.getFloat("server_map_save_interval"))
1839 ScopeProfiler sp(&g_profiler, "Server: saving stuff");
1842 if(m_authmanager.isModified())
1843 m_authmanager.save();
1846 if(m_banmanager.isModified())
1847 m_banmanager.save();
1850 JMutexAutoLock lock(m_env_mutex);
1852 /*// Unload unused data (delete from memory)
1853 m_env.getMap().unloadUnusedData(
1854 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1856 /*u32 deleted_count = m_env.getMap().unloadUnusedData(
1857 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1860 // Save only changed parts
1861 m_env.getMap().save(true);
1863 /*if(deleted_count > 0)
1865 dout_server<<"Server: Unloaded "<<deleted_count
1866 <<" blocks from memory"<<std::endl;
1870 m_env.serializePlayers(m_mapsavedir);
1872 // Save environment metadata
1873 m_env.saveMeta(m_mapsavedir);
1878 void Server::Receive()
1880 DSTACK(__FUNCTION_NAME);
1881 u32 data_maxsize = 10000;
1882 Buffer<u8> data(data_maxsize);
1887 JMutexAutoLock conlock(m_con_mutex);
1888 datasize = m_con.Receive(peer_id, *data, data_maxsize);
1891 // This has to be called so that the client list gets synced
1892 // with the peer list of the connection
1893 handlePeerChanges();
1895 ProcessData(*data, datasize, peer_id);
1897 catch(con::InvalidIncomingDataException &e)
1899 derr_server<<"Server::Receive(): "
1900 "InvalidIncomingDataException: what()="
1901 <<e.what()<<std::endl;
1903 catch(con::PeerNotFoundException &e)
1905 //NOTE: This is not needed anymore
1907 // The peer has been disconnected.
1908 // Find the associated player and remove it.
1910 /*JMutexAutoLock envlock(m_env_mutex);
1912 dout_server<<"ServerThread: peer_id="<<peer_id
1913 <<" has apparently closed connection. "
1914 <<"Removing player."<<std::endl;
1916 m_env.removePlayer(peer_id);*/
1920 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1922 DSTACK(__FUNCTION_NAME);
1923 // Environment is locked first.
1924 JMutexAutoLock envlock(m_env_mutex);
1925 JMutexAutoLock conlock(m_con_mutex);
1929 peer = m_con.GetPeer(peer_id);
1931 catch(con::PeerNotFoundException &e)
1933 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: peer "
1934 <<peer_id<<" not found"<<std::endl;
1938 // drop player if is ip is banned
1939 if(m_banmanager.isIpBanned(peer->address.serializeString())){
1940 SendAccessDenied(m_con, peer_id,
1941 L"Your ip is banned. Banned name was "
1942 +narrow_to_wide(m_banmanager.getBanName(
1943 peer->address.serializeString())));
1944 m_con.deletePeer(peer_id, false);
1948 u8 peer_ser_ver = getClient(peer->id)->serialization_version;
1956 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1958 if(command == TOSERVER_INIT)
1960 // [0] u16 TOSERVER_INIT
1961 // [2] u8 SER_FMT_VER_HIGHEST
1962 // [3] u8[20] player_name
1963 // [23] u8[28] password <--- can be sent without this, from old versions
1965 if(datasize < 2+1+PLAYERNAME_SIZE)
1968 derr_server<<DTIME<<"Server: Got TOSERVER_INIT from "
1969 <<peer->id<<std::endl;
1971 // First byte after command is maximum supported
1972 // serialization version
1973 u8 client_max = data[2];
1974 u8 our_max = SER_FMT_VER_HIGHEST;
1975 // Use the highest version supported by both
1976 u8 deployed = core::min_(client_max, our_max);
1977 // If it's lower than the lowest supported, give up.
1978 if(deployed < SER_FMT_VER_LOWEST)
1979 deployed = SER_FMT_VER_INVALID;
1981 //peer->serialization_version = deployed;
1982 getClient(peer->id)->pending_serialization_version = deployed;
1984 if(deployed == SER_FMT_VER_INVALID)
1986 derr_server<<DTIME<<"Server: Cannot negotiate "
1987 "serialization version with peer "
1988 <<peer_id<<std::endl;
1989 SendAccessDenied(m_con, peer_id,
1990 L"Your client is too old (map format)");
1995 Read and check network protocol version
1998 u16 net_proto_version = 0;
1999 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
2001 net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
2004 getClient(peer->id)->net_proto_version = net_proto_version;
2006 if(net_proto_version == 0)
2008 SendAccessDenied(m_con, peer_id,
2009 L"Your client is too old. Please upgrade.");
2018 char playername[PLAYERNAME_SIZE];
2019 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2021 playername[i] = data[3+i];
2023 playername[PLAYERNAME_SIZE-1] = 0;
2025 if(playername[0]=='\0')
2027 derr_server<<DTIME<<"Server: Player has empty name"<<std::endl;
2028 SendAccessDenied(m_con, peer_id,
2033 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2035 derr_server<<DTIME<<"Server: Player has invalid name"<<std::endl;
2036 SendAccessDenied(m_con, peer_id,
2037 L"Name contains unallowed characters");
2042 char password[PASSWORD_SIZE];
2043 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2045 // old version - assume blank password
2050 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2052 password[i] = data[23+i];
2054 password[PASSWORD_SIZE-1] = 0;
2057 std::string checkpwd;
2058 if(m_authmanager.exists(playername))
2060 checkpwd = m_authmanager.getPassword(playername);
2064 checkpwd = g_settings.get("default_password");
2067 /*dstream<<"Server: Client gave password '"<<password
2068 <<"', the correct one is '"<<checkpwd<<"'"<<std::endl;*/
2070 if(password != checkpwd && m_authmanager.exists(playername))
2072 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2073 <<": supplied invalid password for "
2074 <<playername<<std::endl;
2075 SendAccessDenied(m_con, peer_id, L"Invalid password");
2079 // Add player to auth manager
2080 if(m_authmanager.exists(playername) == false)
2082 derr_server<<DTIME<<"Server: adding player "<<playername
2083 <<" to auth manager"<<std::endl;
2084 m_authmanager.add(playername);
2085 m_authmanager.setPassword(playername, checkpwd);
2086 m_authmanager.setPrivs(playername,
2087 stringToPrivs(g_settings.get("default_privs")));
2088 m_authmanager.save();
2092 Player *player = emergePlayer(playername, password, peer_id);
2096 // DEBUG: Test serialization
2097 std::ostringstream test_os;
2098 player->serialize(test_os);
2099 dstream<<"Player serialization test: \""<<test_os.str()
2101 std::istringstream test_is(test_os.str());
2102 player->deSerialize(test_is);
2105 // If failed, cancel
2108 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2109 <<": failed to emerge player"<<std::endl;
2114 // If a client is already connected to the player, cancel
2115 if(player->peer_id != 0)
2117 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2118 <<" tried to connect to "
2119 "an already connected player (peer_id="
2120 <<player->peer_id<<")"<<std::endl;
2123 // Set client of player
2124 player->peer_id = peer_id;
2127 // Check if player doesn't exist
2129 throw con::InvalidIncomingDataException
2130 ("Server::ProcessData(): INIT: Player doesn't exist");
2132 /*// update name if it was supplied
2133 if(datasize >= 20+3)
2136 player->updateName((const char*)&data[3]);
2140 Answer with a TOCLIENT_INIT
2143 SharedBuffer<u8> reply(2+1+6+8);
2144 writeU16(&reply[0], TOCLIENT_INIT);
2145 writeU8(&reply[2], deployed);
2146 writeV3S16(&reply[2+1], floatToInt(player->getPosition()+v3f(0,BS/2,0), BS));
2147 writeU64(&reply[2+1+6], m_env.getServerMap().getSeed());
2150 m_con.Send(peer_id, 0, reply, true);
2154 Send complete position information
2156 SendMovePlayer(player);
2161 if(command == TOSERVER_INIT2)
2163 derr_server<<DTIME<<"Server: Got TOSERVER_INIT2 from "
2164 <<peer->id<<std::endl;
2167 getClient(peer->id)->serialization_version
2168 = getClient(peer->id)->pending_serialization_version;
2171 Send some initialization data
2174 // Send player info to all players
2177 // Send inventory to player
2178 UpdateCrafting(peer->id);
2179 SendInventory(peer->id);
2181 // Send player items to all players
2186 Player *player = m_env.getPlayer(peer_id);
2187 SendPlayerHP(player);
2192 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2193 m_env.getTimeOfDay());
2194 m_con.Send(peer->id, 0, data, true);
2197 // Send information about server to player in chat
2198 SendChatMessage(peer_id, getStatusString());
2200 // Send information about joining in chat
2202 std::wstring name = L"unknown";
2203 Player *player = m_env.getPlayer(peer_id);
2205 name = narrow_to_wide(player->getName());
2207 std::wstring message;
2210 message += L" joined game";
2211 BroadcastChatMessage(message);
2214 // Warnings about protocol version can be issued here
2215 /*if(getClient(peer->id)->net_proto_version == 0)
2217 SendChatMessage(peer_id, L"# Server: NOTE: YOUR CLIENT IS OLD AND DOES NOT WORK PROPERLY WITH THIS SERVER");
2223 if(peer_ser_ver == SER_FMT_VER_INVALID)
2225 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: Peer"
2226 " serialization format invalid or not initialized."
2227 " Skipping incoming command="<<command<<std::endl;
2231 Player *player = m_env.getPlayer(peer_id);
2234 derr_server<<"Server::ProcessData(): Cancelling: "
2235 "No player for peer_id="<<peer_id
2239 if(command == TOSERVER_PLAYERPOS)
2241 if(datasize < 2+12+12+4+4)
2245 v3s32 ps = readV3S32(&data[start+2]);
2246 v3s32 ss = readV3S32(&data[start+2+12]);
2247 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2248 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2249 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2250 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2251 pitch = wrapDegrees(pitch);
2252 yaw = wrapDegrees(yaw);
2253 player->setPosition(position);
2254 player->setSpeed(speed);
2255 player->setPitch(pitch);
2256 player->setYaw(yaw);
2258 /*dout_server<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2259 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2260 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2262 else if(command == TOSERVER_GOTBLOCKS)
2275 u16 count = data[2];
2276 for(u16 i=0; i<count; i++)
2278 if((s16)datasize < 2+1+(i+1)*6)
2279 throw con::InvalidIncomingDataException
2280 ("GOTBLOCKS length is too short");
2281 v3s16 p = readV3S16(&data[2+1+i*6]);
2282 /*dstream<<"Server: GOTBLOCKS ("
2283 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2284 RemoteClient *client = getClient(peer_id);
2285 client->GotBlock(p);
2288 else if(command == TOSERVER_DELETEDBLOCKS)
2301 u16 count = data[2];
2302 for(u16 i=0; i<count; i++)
2304 if((s16)datasize < 2+1+(i+1)*6)
2305 throw con::InvalidIncomingDataException
2306 ("DELETEDBLOCKS length is too short");
2307 v3s16 p = readV3S16(&data[2+1+i*6]);
2308 /*dstream<<"Server: DELETEDBLOCKS ("
2309 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2310 RemoteClient *client = getClient(peer_id);
2311 client->SetBlockNotSent(p);
2314 else if(command == TOSERVER_CLICK_OBJECT)
2319 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2324 [2] u8 button (0=left, 1=right)
2329 u8 button = readU8(&data[2]);
2331 p.X = readS16(&data[3]);
2332 p.Y = readS16(&data[5]);
2333 p.Z = readS16(&data[7]);
2334 s16 id = readS16(&data[9]);
2335 //u16 item_i = readU16(&data[11]);
2337 MapBlock *block = NULL;
2340 block = m_env.getMap().getBlockNoCreate(p);
2342 catch(InvalidPositionException &e)
2344 derr_server<<"CLICK_OBJECT block not found"<<std::endl;
2348 MapBlockObject *obj = block->getObject(id);
2352 derr_server<<"CLICK_OBJECT object not found"<<std::endl;
2356 //TODO: Check that object is reasonably close
2361 InventoryList *ilist = player->inventory.getList("main");
2362 if(g_settings.getBool("creative_mode") == false && ilist != NULL)
2365 // Skip if inventory has no free space
2366 if(ilist->getUsedSlots() == ilist->getSize())
2368 dout_server<<"Player inventory has no free space"<<std::endl;
2373 Create the inventory item
2375 InventoryItem *item = NULL;
2376 // If it is an item-object, take the item from it
2377 if(obj->getTypeId() == MAPBLOCKOBJECT_TYPE_ITEM)
2379 item = ((ItemObject*)obj)->createInventoryItem();
2381 // Else create an item of the object
2384 item = new MapBlockObjectItem
2385 (obj->getInventoryString());
2388 // Add to inventory and send inventory
2389 ilist->addItem(item);
2390 UpdateCrafting(player->peer_id);
2391 SendInventory(player->peer_id);
2394 // Remove from block
2395 block->removeObject(id);
2398 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2403 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2409 [2] u8 button (0=left, 1=right)
2413 u8 button = readU8(&data[2]);
2414 u16 id = readS16(&data[3]);
2415 u16 item_i = readU16(&data[11]);
2417 ServerActiveObject *obj = m_env.getActiveObject(id);
2421 derr_server<<"Server: CLICK_ACTIVEOBJECT: object not found"
2426 // Skip if object has been removed
2430 //TODO: Check that object is reasonably close
2432 // Left click, pick object up (usually)
2436 Try creating inventory item
2438 InventoryItem *item = obj->createPickedUpItem();
2442 InventoryList *ilist = player->inventory.getList("main");
2445 if(g_settings.getBool("creative_mode") == false)
2447 // Skip if inventory has no free space
2448 if(ilist->getUsedSlots() == ilist->getSize())
2450 dout_server<<"Player inventory has no free space"<<std::endl;
2454 // Add to inventory and send inventory
2455 ilist->addItem(item);
2456 UpdateCrafting(player->peer_id);
2457 SendInventory(player->peer_id);
2460 // Remove object from environment
2461 obj->m_removed = true;
2467 Item cannot be picked up. Punch it instead.
2470 ToolItem *titem = NULL;
2471 std::string toolname = "";
2473 InventoryList *mlist = player->inventory.getList("main");
2476 InventoryItem *item = mlist->getItem(item_i);
2477 if(item && (std::string)item->getName() == "ToolItem")
2479 titem = (ToolItem*)item;
2480 toolname = titem->getToolName();
2484 v3f playerpos = player->getPosition();
2485 v3f objpos = obj->getBasePosition();
2486 v3f dir = (objpos - playerpos).normalize();
2488 u16 wear = obj->punch(toolname, dir);
2492 bool weared_out = titem->addWear(wear);
2494 mlist->deleteItem(item_i);
2495 SendInventory(player->peer_id);
2499 // Right click, do something with object
2502 // Track hp changes super-crappily
2503 u16 oldhp = player->hp;
2506 obj->rightClick(player);
2509 if(player->hp != oldhp)
2511 SendPlayerHP(player);
2515 else if(command == TOSERVER_GROUND_ACTION)
2523 [3] v3s16 nodepos_undersurface
2524 [9] v3s16 nodepos_abovesurface
2529 2: stop digging (all parameters ignored)
2530 3: digging completed
2532 u8 action = readU8(&data[2]);
2534 p_under.X = readS16(&data[3]);
2535 p_under.Y = readS16(&data[5]);
2536 p_under.Z = readS16(&data[7]);
2538 p_over.X = readS16(&data[9]);
2539 p_over.Y = readS16(&data[11]);
2540 p_over.Z = readS16(&data[13]);
2541 u16 item_i = readU16(&data[15]);
2543 //TODO: Check that target is reasonably close
2551 NOTE: This can be used in the future to check if
2552 somebody is cheating, by checking the timing.
2559 else if(action == 2)
2562 RemoteClient *client = getClient(peer->id);
2563 JMutexAutoLock digmutex(client->m_dig_mutex);
2564 client->m_dig_tool_item = -1;
2569 3: Digging completed
2571 else if(action == 3)
2573 // Mandatory parameter; actually used for nothing
2574 core::map<v3s16, MapBlock*> modified_blocks;
2576 content_t material = CONTENT_IGNORE;
2577 u8 mineral = MINERAL_NONE;
2579 bool cannot_remove_node = false;
2583 MapNode n = m_env.getMap().getNode(p_under);
2585 mineral = n.getMineral();
2586 // Get material at position
2587 material = n.getContent();
2588 // If not yet cancelled
2589 if(cannot_remove_node == false)
2591 // If it's not diggable, do nothing
2592 if(content_diggable(material) == false)
2594 derr_server<<"Server: Not finishing digging: "
2595 <<"Node not diggable"
2597 cannot_remove_node = true;
2600 // If not yet cancelled
2601 if(cannot_remove_node == false)
2603 // Get node metadata
2604 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p_under);
2605 if(meta && meta->nodeRemovalDisabled() == true)
2607 derr_server<<"Server: Not finishing digging: "
2608 <<"Node metadata disables removal"
2610 cannot_remove_node = true;
2614 catch(InvalidPositionException &e)
2616 derr_server<<"Server: Not finishing digging: Node not found."
2617 <<" Adding block to emerge queue."
2619 m_emerge_queue.addBlock(peer_id,
2620 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2621 cannot_remove_node = true;
2624 // Make sure the player is allowed to do it
2625 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2627 dstream<<"Player "<<player->getName()<<" cannot remove node"
2628 <<" because privileges are "<<getPlayerPrivs(player)
2630 cannot_remove_node = true;
2634 If node can't be removed, set block to be re-sent to
2637 if(cannot_remove_node)
2639 derr_server<<"Server: Not finishing digging."<<std::endl;
2641 // Client probably has wrong data.
2642 // Set block not sent, so that client will get
2644 dstream<<"Client "<<peer_id<<" tried to dig "
2645 <<"node; but node cannot be removed."
2646 <<" setting MapBlock not sent."<<std::endl;
2647 RemoteClient *client = getClient(peer_id);
2648 v3s16 blockpos = getNodeBlockPos(p_under);
2649 client->SetBlockNotSent(blockpos);
2655 Send the removal to all close-by players.
2656 - If other player is close, send REMOVENODE
2657 - Otherwise set blocks not sent
2659 core::list<u16> far_players;
2660 sendRemoveNode(p_under, peer_id, &far_players, 30);
2663 Update and send inventory
2666 if(g_settings.getBool("creative_mode") == false)
2671 InventoryList *mlist = player->inventory.getList("main");
2674 InventoryItem *item = mlist->getItem(item_i);
2675 if(item && (std::string)item->getName() == "ToolItem")
2677 ToolItem *titem = (ToolItem*)item;
2678 std::string toolname = titem->getToolName();
2680 // Get digging properties for material and tool
2681 DiggingProperties prop =
2682 getDiggingProperties(material, toolname);
2684 if(prop.diggable == false)
2686 derr_server<<"Server: WARNING: Player digged"
2687 <<" with impossible material + tool"
2688 <<" combination"<<std::endl;
2691 bool weared_out = titem->addWear(prop.wear);
2695 mlist->deleteItem(item_i);
2701 Add dug item to inventory
2704 InventoryItem *item = NULL;
2706 if(mineral != MINERAL_NONE)
2707 item = getDiggedMineralItem(mineral);
2712 std::string &dug_s = content_features(material).dug_item;
2715 std::istringstream is(dug_s, std::ios::binary);
2716 item = InventoryItem::deSerialize(is);
2722 // Add a item to inventory
2723 player->inventory.addItem("main", item);
2726 UpdateCrafting(player->peer_id);
2727 SendInventory(player->peer_id);
2733 (this takes some time so it is done after the quick stuff)
2736 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2738 m_env.getMap().removeNodeAndUpdate(p_under, modified_blocks);
2741 Set blocks not sent to far players
2743 for(core::list<u16>::Iterator
2744 i = far_players.begin();
2745 i != far_players.end(); i++)
2748 RemoteClient *client = getClient(peer_id);
2751 client->SetBlocksNotSent(modified_blocks);
2758 else if(action == 1)
2761 InventoryList *ilist = player->inventory.getList("main");
2766 InventoryItem *item = ilist->getItem(item_i);
2768 // If there is no item, it is not possible to add it anywhere
2773 Handle material items
2775 if(std::string("MaterialItem") == item->getName())
2778 // Don't add a node if this is not a free space
2779 MapNode n2 = m_env.getMap().getNode(p_over);
2780 bool no_enough_privs =
2781 ((getPlayerPrivs(player) & PRIV_BUILD)==0);
2783 dstream<<"Player "<<player->getName()<<" cannot add node"
2784 <<" because privileges are "<<getPlayerPrivs(player)
2787 if(content_features(n2).buildable_to == false
2790 // Client probably has wrong data.
2791 // Set block not sent, so that client will get
2793 dstream<<"Client "<<peer_id<<" tried to place"
2794 <<" node in invalid position; setting"
2795 <<" MapBlock not sent."<<std::endl;
2796 RemoteClient *client = getClient(peer_id);
2797 v3s16 blockpos = getNodeBlockPos(p_over);
2798 client->SetBlockNotSent(blockpos);
2802 catch(InvalidPositionException &e)
2804 derr_server<<"Server: Ignoring ADDNODE: Node not found"
2805 <<" Adding block to emerge queue."
2807 m_emerge_queue.addBlock(peer_id,
2808 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2812 // Reset build time counter
2813 getClient(peer->id)->m_time_from_building = 0.0;
2816 MaterialItem *mitem = (MaterialItem*)item;
2818 n.setContent(mitem->getMaterial());
2820 // Calculate direction for wall mounted stuff
2821 if(content_features(n).wall_mounted)
2822 n.param2 = packDir(p_under - p_over);
2824 // Calculate the direction for furnaces and chests and stuff
2825 if(content_features(n).param_type == CPT_FACEDIR_SIMPLE)
2827 v3f playerpos = player->getPosition();
2828 v3f blockpos = intToFloat(p_over, BS) - playerpos;
2829 blockpos = blockpos.normalize();
2831 if (fabs(blockpos.X) > fabs(blockpos.Z)) {
2845 Send to all close-by players
2847 core::list<u16> far_players;
2848 sendAddNode(p_over, n, 0, &far_players, 30);
2853 InventoryList *ilist = player->inventory.getList("main");
2854 if(g_settings.getBool("creative_mode") == false && ilist)
2856 // Remove from inventory and send inventory
2857 if(mitem->getCount() == 1)
2858 ilist->deleteItem(item_i);
2862 UpdateCrafting(peer_id);
2863 SendInventory(peer_id);
2869 This takes some time so it is done after the quick stuff
2871 core::map<v3s16, MapBlock*> modified_blocks;
2873 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2875 m_env.getMap().addNodeAndUpdate(p_over, n, modified_blocks);
2878 Set blocks not sent to far players
2880 for(core::list<u16>::Iterator
2881 i = far_players.begin();
2882 i != far_players.end(); i++)
2885 RemoteClient *client = getClient(peer_id);
2888 client->SetBlocksNotSent(modified_blocks);
2892 Calculate special events
2895 /*if(n.d == CONTENT_MESE)
2898 for(s16 z=-1; z<=1; z++)
2899 for(s16 y=-1; y<=1; y++)
2900 for(s16 x=-1; x<=1; x++)
2907 Place other item (not a block)
2911 v3s16 blockpos = getNodeBlockPos(p_over);
2914 Check that the block is loaded so that the item
2915 can properly be added to the static list too
2917 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
2920 derr_server<<"Error while placing object: "
2921 "block not found"<<std::endl;
2925 dout_server<<"Placing a miscellaneous item on map"
2928 // Calculate a position for it
2929 v3f pos = intToFloat(p_over, BS);
2931 pos.Y -= BS*0.25; // let it drop a bit
2933 pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2934 pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2939 ServerActiveObject *obj = item->createSAO(&m_env, 0, pos);
2943 derr_server<<"WARNING: item resulted in NULL object, "
2944 <<"not placing onto map"
2949 // Add the object to the environment
2950 m_env.addActiveObject(obj);
2952 dout_server<<"Placed object"<<std::endl;
2954 if(g_settings.getBool("creative_mode") == false)
2956 // Delete the right amount of items from the slot
2957 u16 dropcount = item->getDropCount();
2959 // Delete item if all gone
2960 if(item->getCount() <= dropcount)
2962 if(item->getCount() < dropcount)
2963 dstream<<"WARNING: Server: dropped more items"
2964 <<" than the slot contains"<<std::endl;
2966 InventoryList *ilist = player->inventory.getList("main");
2968 // Remove from inventory and send inventory
2969 ilist->deleteItem(item_i);
2971 // Else decrement it
2973 item->remove(dropcount);
2976 UpdateCrafting(peer_id);
2977 SendInventory(peer_id);
2985 Catch invalid actions
2989 derr_server<<"WARNING: Server: Invalid action "
2990 <<action<<std::endl;
2994 else if(command == TOSERVER_RELEASE)
3003 dstream<<"TOSERVER_RELEASE ignored"<<std::endl;
3006 else if(command == TOSERVER_SIGNTEXT)
3008 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3017 std::string datastring((char*)&data[2], datasize-2);
3018 std::istringstream is(datastring, std::ios_base::binary);
3021 is.read((char*)buf, 6);
3022 v3s16 blockpos = readV3S16(buf);
3023 is.read((char*)buf, 2);
3024 s16 id = readS16(buf);
3025 is.read((char*)buf, 2);
3026 u16 textlen = readU16(buf);
3028 for(u16 i=0; i<textlen; i++)
3030 is.read((char*)buf, 1);
3031 text += (char)buf[0];
3034 MapBlock *block = NULL;
3037 block = m_env.getMap().getBlockNoCreate(blockpos);
3039 catch(InvalidPositionException &e)
3041 derr_server<<"Error while setting sign text: "
3042 "block not found"<<std::endl;
3046 MapBlockObject *obj = block->getObject(id);
3049 derr_server<<"Error while setting sign text: "
3050 "object not found"<<std::endl;
3054 if(obj->getTypeId() != MAPBLOCKOBJECT_TYPE_SIGN)
3056 derr_server<<"Error while setting sign text: "
3057 "object is not a sign"<<std::endl;
3061 ((SignObject*)obj)->setText(text);
3063 obj->getBlock()->setChangedFlag();
3065 else if(command == TOSERVER_SIGNNODETEXT)
3067 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3075 std::string datastring((char*)&data[2], datasize-2);
3076 std::istringstream is(datastring, std::ios_base::binary);
3079 is.read((char*)buf, 6);
3080 v3s16 p = readV3S16(buf);
3081 is.read((char*)buf, 2);
3082 u16 textlen = readU16(buf);
3084 for(u16 i=0; i<textlen; i++)
3086 is.read((char*)buf, 1);
3087 text += (char)buf[0];
3090 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3093 if(meta->typeId() != CONTENT_SIGN_WALL)
3095 SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
3096 signmeta->setText(text);
3098 v3s16 blockpos = getNodeBlockPos(p);
3099 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
3102 block->setChangedFlag();
3105 for(core::map<u16, RemoteClient*>::Iterator
3106 i = m_clients.getIterator();
3107 i.atEnd()==false; i++)
3109 RemoteClient *client = i.getNode()->getValue();
3110 client->SetBlockNotSent(blockpos);
3113 else if(command == TOSERVER_INVENTORY_ACTION)
3115 /*// Ignore inventory changes if in creative mode
3116 if(g_settings.getBool("creative_mode") == true)
3118 dstream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
3122 // Strip command and create a stream
3123 std::string datastring((char*)&data[2], datasize-2);
3124 dstream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
3125 std::istringstream is(datastring, std::ios_base::binary);
3127 InventoryAction *a = InventoryAction::deSerialize(is);
3132 c.current_player = player;
3135 Handle craftresult specially if not in creative mode
3137 bool disable_action = false;
3138 if(a->getType() == IACTION_MOVE
3139 && g_settings.getBool("creative_mode") == false)
3141 IMoveAction *ma = (IMoveAction*)a;
3142 if(ma->to_inv == "current_player" &&
3143 ma->from_inv == "current_player")
3145 InventoryList *rlist = player->inventory.getList("craftresult");
3147 InventoryList *clist = player->inventory.getList("craft");
3149 InventoryList *mlist = player->inventory.getList("main");
3152 Craftresult is no longer preview if something
3155 if(ma->to_list == "craftresult"
3156 && ma->from_list != "craftresult")
3158 // If it currently is a preview, remove
3160 if(player->craftresult_is_preview)
3162 rlist->deleteItem(0);
3164 player->craftresult_is_preview = false;
3167 Crafting takes place if this condition is true.
3169 if(player->craftresult_is_preview &&
3170 ma->from_list == "craftresult")
3172 player->craftresult_is_preview = false;
3173 clist->decrementMaterials(1);
3176 If the craftresult is placed on itself, move it to
3177 main inventory instead of doing the action
3179 if(ma->to_list == "craftresult"
3180 && ma->from_list == "craftresult")
3182 disable_action = true;
3184 InventoryItem *item1 = rlist->changeItem(0, NULL);
3185 mlist->addItem(item1);
3190 if(disable_action == false)
3192 // Feed action to player inventory
3200 UpdateCrafting(player->peer_id);
3201 SendInventory(player->peer_id);
3206 dstream<<"TOSERVER_INVENTORY_ACTION: "
3207 <<"InventoryAction::deSerialize() returned NULL"
3211 else if(command == TOSERVER_CHAT_MESSAGE)
3219 std::string datastring((char*)&data[2], datasize-2);
3220 std::istringstream is(datastring, std::ios_base::binary);
3223 is.read((char*)buf, 2);
3224 u16 len = readU16(buf);
3226 std::wstring message;
3227 for(u16 i=0; i<len; i++)
3229 is.read((char*)buf, 2);
3230 message += (wchar_t)readU16(buf);
3233 // Get player name of this client
3234 std::wstring name = narrow_to_wide(player->getName());
3236 // Line to send to players
3238 // Whether to send to the player that sent the line
3239 bool send_to_sender = false;
3240 // Whether to send to other players
3241 bool send_to_others = false;
3243 // Local player gets all privileges regardless of
3244 // what's set on their account.
3245 u64 privs = getPlayerPrivs(player);
3248 if(message[0] == L'/')
3250 line += L"Server: ";
3252 size_t strip_size = 1;
3253 if (message[1] == L'#') // support old-style commans
3255 message = message.substr(strip_size);
3257 WStrfnd f1(message);
3258 f1.next(L" "); // Skip over /#whatever
3259 std::wstring paramstring = f1.next(L"");
3261 ServerCommandContext *ctx = new ServerCommandContext(
3262 str_split(message, L' '),
3269 line += processServerCommand(ctx);
3270 send_to_sender = ctx->flags & SEND_TO_SENDER;
3271 send_to_others = ctx->flags & SEND_TO_OTHERS;
3277 if(privs & PRIV_SHOUT)
3283 send_to_others = true;
3287 line += L"Server: You are not allowed to shout";
3288 send_to_sender = true;
3294 dstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
3297 Send the message to clients
3299 for(core::map<u16, RemoteClient*>::Iterator
3300 i = m_clients.getIterator();
3301 i.atEnd() == false; i++)
3303 // Get client and check that it is valid
3304 RemoteClient *client = i.getNode()->getValue();
3305 assert(client->peer_id == i.getNode()->getKey());
3306 if(client->serialization_version == SER_FMT_VER_INVALID)
3310 bool sender_selected = (peer_id == client->peer_id);
3311 if(sender_selected == true && send_to_sender == false)
3313 if(sender_selected == false && send_to_others == false)
3316 SendChatMessage(client->peer_id, line);
3320 else if(command == TOSERVER_DAMAGE)
3322 if(g_settings.getBool("enable_damage"))
3324 std::string datastring((char*)&data[2], datasize-2);
3325 std::istringstream is(datastring, std::ios_base::binary);
3326 u8 damage = readU8(is);
3327 if(player->hp > damage)
3329 player->hp -= damage;
3335 dstream<<"TODO: Server: TOSERVER_HP_DECREMENT: Player dies"
3338 v3f pos = findSpawnPos(m_env.getServerMap());
3339 player->setPosition(pos);
3341 SendMovePlayer(player);
3342 SendPlayerHP(player);
3344 //TODO: Throw items around
3348 SendPlayerHP(player);
3350 else if(command == TOSERVER_PASSWORD)
3353 [0] u16 TOSERVER_PASSWORD
3354 [2] u8[28] old password
3355 [30] u8[28] new password
3358 if(datasize != 2+PASSWORD_SIZE*2)
3360 /*char password[PASSWORD_SIZE];
3361 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3362 password[i] = data[2+i];
3363 password[PASSWORD_SIZE-1] = 0;*/
3365 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3373 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3375 char c = data[2+PASSWORD_SIZE+i];
3381 dstream<<"Server: Client requests a password change from "
3382 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
3384 std::string playername = player->getName();
3386 if(m_authmanager.exists(playername) == false)
3388 dstream<<"Server: playername not found in authmanager"<<std::endl;
3389 // Wrong old password supplied!!
3390 SendChatMessage(peer_id, L"playername not found in authmanager");
3394 std::string checkpwd = m_authmanager.getPassword(playername);
3396 if(oldpwd != checkpwd)
3398 dstream<<"Server: invalid old password"<<std::endl;
3399 // Wrong old password supplied!!
3400 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
3404 m_authmanager.setPassword(playername, newpwd);
3406 dstream<<"Server: password change successful for "<<playername
3408 SendChatMessage(peer_id, L"Password change successful");
3410 else if (command == TOSERVER_PLAYERITEM)
3415 u16 item = readU16(&data[2]);
3416 player->wieldItem(item);
3417 SendWieldedItem(player);
3421 derr_server<<"WARNING: Server::ProcessData(): Ignoring "
3422 "unknown command "<<command<<std::endl;
3426 catch(SendFailedException &e)
3428 derr_server<<"Server::ProcessData(): SendFailedException: "
3434 void Server::onMapEditEvent(MapEditEvent *event)
3436 //dstream<<"Server::onMapEditEvent()"<<std::endl;
3437 if(m_ignore_map_edit_events)
3439 MapEditEvent *e = event->clone();
3440 m_unsent_map_edit_queue.push_back(e);
3443 Inventory* Server::getInventory(InventoryContext *c, std::string id)
3445 if(id == "current_player")
3447 assert(c->current_player);
3448 return &(c->current_player->inventory);
3452 std::string id0 = fn.next(":");
3454 if(id0 == "nodemeta")
3457 p.X = stoi(fn.next(","));
3458 p.Y = stoi(fn.next(","));
3459 p.Z = stoi(fn.next(","));
3460 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3462 return meta->getInventory();
3463 dstream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
3464 <<"no metadata found"<<std::endl;
3468 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3471 void Server::inventoryModified(InventoryContext *c, std::string id)
3473 if(id == "current_player")
3475 assert(c->current_player);
3477 UpdateCrafting(c->current_player->peer_id);
3478 SendInventory(c->current_player->peer_id);
3483 std::string id0 = fn.next(":");
3485 if(id0 == "nodemeta")
3488 p.X = stoi(fn.next(","));
3489 p.Y = stoi(fn.next(","));
3490 p.Z = stoi(fn.next(","));
3491 v3s16 blockpos = getNodeBlockPos(p);
3493 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3495 meta->inventoryModified();
3497 for(core::map<u16, RemoteClient*>::Iterator
3498 i = m_clients.getIterator();
3499 i.atEnd()==false; i++)
3501 RemoteClient *client = i.getNode()->getValue();
3502 client->SetBlockNotSent(blockpos);
3508 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3511 core::list<PlayerInfo> Server::getPlayerInfo()
3513 DSTACK(__FUNCTION_NAME);
3514 JMutexAutoLock envlock(m_env_mutex);
3515 JMutexAutoLock conlock(m_con_mutex);
3517 core::list<PlayerInfo> list;
3519 core::list<Player*> players = m_env.getPlayers();
3521 core::list<Player*>::Iterator i;
3522 for(i = players.begin();
3523 i != players.end(); i++)
3527 Player *player = *i;
3530 con::Peer *peer = m_con.GetPeer(player->peer_id);
3531 // Copy info from peer to info struct
3533 info.address = peer->address;
3534 info.avg_rtt = peer->avg_rtt;
3536 catch(con::PeerNotFoundException &e)
3538 // Set dummy peer info
3540 info.address = Address(0,0,0,0,0);
3544 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3545 info.position = player->getPosition();
3547 list.push_back(info);
3554 void Server::peerAdded(con::Peer *peer)
3556 DSTACK(__FUNCTION_NAME);
3557 dout_server<<"Server::peerAdded(): peer->id="
3558 <<peer->id<<std::endl;
3561 c.type = PEER_ADDED;
3562 c.peer_id = peer->id;
3564 m_peer_change_queue.push_back(c);
3567 void Server::deletingPeer(con::Peer *peer, bool timeout)
3569 DSTACK(__FUNCTION_NAME);
3570 dout_server<<"Server::deletingPeer(): peer->id="
3571 <<peer->id<<", timeout="<<timeout<<std::endl;
3574 c.type = PEER_REMOVED;
3575 c.peer_id = peer->id;
3576 c.timeout = timeout;
3577 m_peer_change_queue.push_back(c);
3584 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3586 DSTACK(__FUNCTION_NAME);
3587 std::ostringstream os(std::ios_base::binary);
3589 writeU16(os, TOCLIENT_HP);
3593 std::string s = os.str();
3594 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3596 con.Send(peer_id, 0, data, true);
3599 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3600 const std::wstring &reason)
3602 DSTACK(__FUNCTION_NAME);
3603 std::ostringstream os(std::ios_base::binary);
3605 writeU16(os, TOCLIENT_ACCESS_DENIED);
3606 os<<serializeWideString(reason);
3609 std::string s = os.str();
3610 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3612 con.Send(peer_id, 0, data, true);
3616 Non-static send methods
3619 void Server::SendObjectData(float dtime)
3621 DSTACK(__FUNCTION_NAME);
3623 core::map<v3s16, bool> stepped_blocks;
3625 for(core::map<u16, RemoteClient*>::Iterator
3626 i = m_clients.getIterator();
3627 i.atEnd() == false; i++)
3629 u16 peer_id = i.getNode()->getKey();
3630 RemoteClient *client = i.getNode()->getValue();
3631 assert(client->peer_id == peer_id);
3633 if(client->serialization_version == SER_FMT_VER_INVALID)
3636 client->SendObjectData(this, dtime, stepped_blocks);
3640 void Server::SendPlayerInfos()
3642 DSTACK(__FUNCTION_NAME);
3644 //JMutexAutoLock envlock(m_env_mutex);
3646 // Get connected players
3647 core::list<Player*> players = m_env.getPlayers(true);
3649 u32 player_count = players.getSize();
3650 u32 datasize = 2+(2+PLAYERNAME_SIZE)*player_count;
3652 SharedBuffer<u8> data(datasize);
3653 writeU16(&data[0], TOCLIENT_PLAYERINFO);
3656 core::list<Player*>::Iterator i;
3657 for(i = players.begin();
3658 i != players.end(); i++)
3660 Player *player = *i;
3662 /*dstream<<"Server sending player info for player with "
3663 "peer_id="<<player->peer_id<<std::endl;*/
3665 writeU16(&data[start], player->peer_id);
3666 memset((char*)&data[start+2], 0, PLAYERNAME_SIZE);
3667 snprintf((char*)&data[start+2], PLAYERNAME_SIZE, "%s", player->getName());
3668 start += 2+PLAYERNAME_SIZE;
3671 //JMutexAutoLock conlock(m_con_mutex);
3674 m_con.SendToAll(0, data, true);
3677 void Server::SendInventory(u16 peer_id)
3679 DSTACK(__FUNCTION_NAME);
3681 Player* player = m_env.getPlayer(peer_id);
3688 std::ostringstream os;
3689 //os.imbue(std::locale("C"));
3691 player->inventory.serialize(os);
3693 std::string s = os.str();
3695 SharedBuffer<u8> data(s.size()+2);
3696 writeU16(&data[0], TOCLIENT_INVENTORY);
3697 memcpy(&data[2], s.c_str(), s.size());
3700 m_con.Send(peer_id, 0, data, true);
3703 std::string getWieldedItemString(const Player *player)
3705 const InventoryItem *item = player->getWieldItem();
3707 return std::string("");
3708 std::ostringstream os(std::ios_base::binary);
3709 item->serialize(os);
3713 void Server::SendWieldedItem(const Player* player)
3715 DSTACK(__FUNCTION_NAME);
3719 std::ostringstream os(std::ios_base::binary);
3721 writeU16(os, TOCLIENT_PLAYERITEM);
3723 writeU16(os, player->peer_id);
3724 os<<serializeString(getWieldedItemString(player));
3727 std::string s = os.str();
3728 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3730 m_con.SendToAll(0, data, true);
3733 void Server::SendPlayerItems()
3735 DSTACK(__FUNCTION_NAME);
3737 std::ostringstream os(std::ios_base::binary);
3738 core::list<Player *> players = m_env.getPlayers(true);
3740 writeU16(os, TOCLIENT_PLAYERITEM);
3741 writeU16(os, players.size());
3742 core::list<Player *>::Iterator i;
3743 for(i = players.begin(); i != players.end(); ++i)
3746 writeU16(os, p->peer_id);
3747 os<<serializeString(getWieldedItemString(p));
3751 std::string s = os.str();
3752 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3754 m_con.SendToAll(0, data, true);
3757 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3759 DSTACK(__FUNCTION_NAME);
3761 std::ostringstream os(std::ios_base::binary);
3765 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3766 os.write((char*)buf, 2);
3769 writeU16(buf, message.size());
3770 os.write((char*)buf, 2);
3773 for(u32 i=0; i<message.size(); i++)
3777 os.write((char*)buf, 2);
3781 std::string s = os.str();
3782 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3784 m_con.Send(peer_id, 0, data, true);
3787 void Server::BroadcastChatMessage(const std::wstring &message)
3789 for(core::map<u16, RemoteClient*>::Iterator
3790 i = m_clients.getIterator();
3791 i.atEnd() == false; i++)
3793 // Get client and check that it is valid
3794 RemoteClient *client = i.getNode()->getValue();
3795 assert(client->peer_id == i.getNode()->getKey());
3796 if(client->serialization_version == SER_FMT_VER_INVALID)
3799 SendChatMessage(client->peer_id, message);
3803 void Server::SendPlayerHP(Player *player)
3805 SendHP(m_con, player->peer_id, player->hp);
3808 void Server::SendMovePlayer(Player *player)
3810 DSTACK(__FUNCTION_NAME);
3811 std::ostringstream os(std::ios_base::binary);
3813 writeU16(os, TOCLIENT_MOVE_PLAYER);
3814 writeV3F1000(os, player->getPosition());
3815 writeF1000(os, player->getPitch());
3816 writeF1000(os, player->getYaw());
3819 v3f pos = player->getPosition();
3820 f32 pitch = player->getPitch();
3821 f32 yaw = player->getYaw();
3822 dstream<<"Server sending TOCLIENT_MOVE_PLAYER"
3823 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3830 std::string s = os.str();
3831 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3833 m_con.Send(player->peer_id, 0, data, true);
3836 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3837 core::list<u16> *far_players, float far_d_nodes)
3839 float maxd = far_d_nodes*BS;
3840 v3f p_f = intToFloat(p, BS);
3844 SharedBuffer<u8> reply(replysize);
3845 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3846 writeS16(&reply[2], p.X);
3847 writeS16(&reply[4], p.Y);
3848 writeS16(&reply[6], p.Z);
3850 for(core::map<u16, RemoteClient*>::Iterator
3851 i = m_clients.getIterator();
3852 i.atEnd() == false; i++)
3854 // Get client and check that it is valid
3855 RemoteClient *client = i.getNode()->getValue();
3856 assert(client->peer_id == i.getNode()->getKey());
3857 if(client->serialization_version == SER_FMT_VER_INVALID)
3860 // Don't send if it's the same one
3861 if(client->peer_id == ignore_id)
3867 Player *player = m_env.getPlayer(client->peer_id);
3870 // If player is far away, only set modified blocks not sent
3871 v3f player_pos = player->getPosition();
3872 if(player_pos.getDistanceFrom(p_f) > maxd)
3874 far_players->push_back(client->peer_id);
3881 m_con.Send(client->peer_id, 0, reply, true);
3885 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3886 core::list<u16> *far_players, float far_d_nodes)
3888 float maxd = far_d_nodes*BS;
3889 v3f p_f = intToFloat(p, BS);
3891 for(core::map<u16, RemoteClient*>::Iterator
3892 i = m_clients.getIterator();
3893 i.atEnd() == false; i++)
3895 // Get client and check that it is valid
3896 RemoteClient *client = i.getNode()->getValue();
3897 assert(client->peer_id == i.getNode()->getKey());
3898 if(client->serialization_version == SER_FMT_VER_INVALID)
3901 // Don't send if it's the same one
3902 if(client->peer_id == ignore_id)
3908 Player *player = m_env.getPlayer(client->peer_id);
3911 // If player is far away, only set modified blocks not sent
3912 v3f player_pos = player->getPosition();
3913 if(player_pos.getDistanceFrom(p_f) > maxd)
3915 far_players->push_back(client->peer_id);
3922 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3923 SharedBuffer<u8> reply(replysize);
3924 writeU16(&reply[0], TOCLIENT_ADDNODE);
3925 writeS16(&reply[2], p.X);
3926 writeS16(&reply[4], p.Y);
3927 writeS16(&reply[6], p.Z);
3928 n.serialize(&reply[8], client->serialization_version);
3931 m_con.Send(client->peer_id, 0, reply, true);
3935 void Server::setBlockNotSent(v3s16 p)
3937 for(core::map<u16, RemoteClient*>::Iterator
3938 i = m_clients.getIterator();
3939 i.atEnd()==false; i++)
3941 RemoteClient *client = i.getNode()->getValue();
3942 client->SetBlockNotSent(p);
3946 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
3948 DSTACK(__FUNCTION_NAME);
3950 v3s16 p = block->getPos();
3954 bool completely_air = true;
3955 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
3956 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
3957 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
3959 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
3961 completely_air = false;
3962 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
3967 dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
3969 dstream<<"[completely air] ";
3974 Create a packet with the block in the right format
3977 std::ostringstream os(std::ios_base::binary);
3978 block->serialize(os, ver);
3979 std::string s = os.str();
3980 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
3982 u32 replysize = 8 + blockdata.getSize();
3983 SharedBuffer<u8> reply(replysize);
3984 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
3985 writeS16(&reply[2], p.X);
3986 writeS16(&reply[4], p.Y);
3987 writeS16(&reply[6], p.Z);
3988 memcpy(&reply[8], *blockdata, blockdata.getSize());
3990 /*dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
3991 <<": \tpacket size: "<<replysize<<std::endl;*/
3996 m_con.Send(peer_id, 1, reply, true);
3999 void Server::SendBlocks(float dtime)
4001 DSTACK(__FUNCTION_NAME);
4003 JMutexAutoLock envlock(m_env_mutex);
4004 JMutexAutoLock conlock(m_con_mutex);
4006 //TimeTaker timer("Server::SendBlocks");
4008 core::array<PrioritySortedBlockTransfer> queue;
4010 s32 total_sending = 0;
4013 ScopeProfiler sp(&g_profiler, "Server: selecting blocks for sending");
4015 for(core::map<u16, RemoteClient*>::Iterator
4016 i = m_clients.getIterator();
4017 i.atEnd() == false; i++)
4019 RemoteClient *client = i.getNode()->getValue();
4020 assert(client->peer_id == i.getNode()->getKey());
4022 total_sending += client->SendingCount();
4024 if(client->serialization_version == SER_FMT_VER_INVALID)
4027 client->GetNextBlocks(this, dtime, queue);
4032 // Lowest priority number comes first.
4033 // Lowest is most important.
4036 for(u32 i=0; i<queue.size(); i++)
4038 //TODO: Calculate limit dynamically
4039 if(total_sending >= g_settings.getS32
4040 ("max_simultaneous_block_sends_server_total"))
4043 PrioritySortedBlockTransfer q = queue[i];
4045 MapBlock *block = NULL;
4048 block = m_env.getMap().getBlockNoCreate(q.pos);
4050 catch(InvalidPositionException &e)
4055 RemoteClient *client = getClient(q.peer_id);
4057 SendBlockNoLock(q.peer_id, block, client->serialization_version);
4059 client->SentBlock(q.pos);
4069 void Server::UpdateCrafting(u16 peer_id)
4071 DSTACK(__FUNCTION_NAME);
4073 Player* player = m_env.getPlayer(peer_id);
4077 Calculate crafting stuff
4079 if(g_settings.getBool("creative_mode") == false)
4081 InventoryList *clist = player->inventory.getList("craft");
4082 InventoryList *rlist = player->inventory.getList("craftresult");
4084 if(rlist->getUsedSlots() == 0)
4085 player->craftresult_is_preview = true;
4087 if(rlist && player->craftresult_is_preview)
4089 rlist->clearItems();
4091 if(clist && rlist && player->craftresult_is_preview)
4093 InventoryItem *items[9];
4094 for(u16 i=0; i<9; i++)
4096 items[i] = clist->getItem(i);
4099 // Get result of crafting grid
4100 InventoryItem *result = craft_get_result(items);
4102 rlist->addItem(result);
4105 } // if creative_mode == false
4108 RemoteClient* Server::getClient(u16 peer_id)
4110 DSTACK(__FUNCTION_NAME);
4111 //JMutexAutoLock lock(m_con_mutex);
4112 core::map<u16, RemoteClient*>::Node *n;
4113 n = m_clients.find(peer_id);
4114 // A client should exist for all peers
4116 return n->getValue();
4119 std::wstring Server::getStatusString()
4121 std::wostringstream os(std::ios_base::binary);
4124 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4126 os<<L", uptime="<<m_uptime.get();
4127 // Information about clients
4129 for(core::map<u16, RemoteClient*>::Iterator
4130 i = m_clients.getIterator();
4131 i.atEnd() == false; i++)
4133 // Get client and check that it is valid
4134 RemoteClient *client = i.getNode()->getValue();
4135 assert(client->peer_id == i.getNode()->getKey());
4136 if(client->serialization_version == SER_FMT_VER_INVALID)
4139 Player *player = m_env.getPlayer(client->peer_id);
4140 // Get name of player
4141 std::wstring name = L"unknown";
4143 name = narrow_to_wide(player->getName());
4144 // Add name to information string
4148 if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == false)
4149 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4150 if(g_settings.get("motd") != "")
4151 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings.get("motd"));
4155 v3f findSpawnPos(ServerMap &map)
4157 //return v3f(50,50,50)*BS;
4160 s16 groundheight = 0;
4163 nodepos = v2s16(0,0);
4168 // Try to find a good place a few times
4169 for(s32 i=0; i<1000; i++)
4172 // We're going to try to throw the player to this position
4173 nodepos = v2s16(-range + (myrand()%(range*2)),
4174 -range + (myrand()%(range*2)));
4175 v2s16 sectorpos = getNodeSectorPos(nodepos);
4176 // Get sector (NOTE: Don't get because it's slow)
4177 //m_env.getMap().emergeSector(sectorpos);
4178 // Get ground height at point (fallbacks to heightmap function)
4179 groundheight = map.findGroundLevel(nodepos);
4180 // Don't go underwater
4181 if(groundheight < WATER_LEVEL)
4183 //dstream<<"-> Underwater"<<std::endl;
4186 // Don't go to high places
4187 if(groundheight > WATER_LEVEL + 4)
4189 //dstream<<"-> Underwater"<<std::endl;
4193 // Found a good place
4194 //dstream<<"Searched through "<<i<<" places."<<std::endl;
4199 // If no suitable place was not found, go above water at least.
4200 if(groundheight < WATER_LEVEL)
4201 groundheight = WATER_LEVEL;
4203 return intToFloat(v3s16(
4210 Player *Server::emergePlayer(const char *name, const char *password, u16 peer_id)
4213 Try to get an existing player
4215 Player *player = m_env.getPlayer(name);
4218 // If player is already connected, cancel
4219 if(player->peer_id != 0)
4221 dstream<<"emergePlayer(): Player already connected"<<std::endl;
4226 player->peer_id = peer_id;
4228 // Reset inventory to creative if in creative mode
4229 if(g_settings.getBool("creative_mode"))
4231 // Warning: double code below
4232 // Backup actual inventory
4233 player->inventory_backup = new Inventory();
4234 *(player->inventory_backup) = player->inventory;
4235 // Set creative inventory
4236 craft_set_creative_inventory(player);
4243 If player with the wanted peer_id already exists, cancel.
4245 if(m_env.getPlayer(peer_id) != NULL)
4247 dstream<<"emergePlayer(): Player with wrong name but same"
4248 " peer_id already exists"<<std::endl;
4256 player = new ServerRemotePlayer();
4257 //player->peer_id = c.peer_id;
4258 //player->peer_id = PEER_ID_INEXISTENT;
4259 player->peer_id = peer_id;
4260 player->updateName(name);
4261 m_authmanager.add(name);
4262 m_authmanager.setPassword(name, password);
4263 m_authmanager.setPrivs(name,
4264 stringToPrivs(g_settings.get("default_privs")));
4270 dstream<<"Server: Finding spawn place for player \""
4271 <<player->getName()<<"\""<<std::endl;
4273 v3f pos = findSpawnPos(m_env.getServerMap());
4275 player->setPosition(pos);
4278 Add player to environment
4281 m_env.addPlayer(player);
4284 Add stuff to inventory
4287 if(g_settings.getBool("creative_mode"))
4289 // Warning: double code above
4290 // Backup actual inventory
4291 player->inventory_backup = new Inventory();
4292 *(player->inventory_backup) = player->inventory;
4293 // Set creative inventory
4294 craft_set_creative_inventory(player);
4296 else if(g_settings.getBool("give_initial_stuff"))
4298 craft_give_initial_stuff(player);
4303 } // create new player
4306 void Server::handlePeerChange(PeerChange &c)
4308 JMutexAutoLock envlock(m_env_mutex);
4309 JMutexAutoLock conlock(m_con_mutex);
4311 if(c.type == PEER_ADDED)
4318 core::map<u16, RemoteClient*>::Node *n;
4319 n = m_clients.find(c.peer_id);
4320 // The client shouldn't already exist
4324 RemoteClient *client = new RemoteClient();
4325 client->peer_id = c.peer_id;
4326 m_clients.insert(client->peer_id, client);
4329 else if(c.type == PEER_REMOVED)
4336 core::map<u16, RemoteClient*>::Node *n;
4337 n = m_clients.find(c.peer_id);
4338 // The client should exist
4342 Mark objects to be not known by the client
4344 RemoteClient *client = n->getValue();
4346 for(core::map<u16, bool>::Iterator
4347 i = client->m_known_objects.getIterator();
4348 i.atEnd()==false; i++)
4351 u16 id = i.getNode()->getKey();
4352 ServerActiveObject* obj = m_env.getActiveObject(id);
4354 if(obj && obj->m_known_by_count > 0)
4355 obj->m_known_by_count--;
4358 // Collect information about leaving in chat
4359 std::wstring message;
4361 std::wstring name = L"unknown";
4362 Player *player = m_env.getPlayer(c.peer_id);
4364 name = narrow_to_wide(player->getName());
4368 message += L" left game";
4370 message += L" (timed out)";
4375 m_env.removePlayer(c.peer_id);
4378 // Set player client disconnected
4380 Player *player = m_env.getPlayer(c.peer_id);
4382 player->peer_id = 0;
4386 delete m_clients[c.peer_id];
4387 m_clients.remove(c.peer_id);
4389 // Send player info to all remaining clients
4392 // Send leave chat message to all remaining clients
4393 BroadcastChatMessage(message);
4402 void Server::handlePeerChanges()
4404 while(m_peer_change_queue.size() > 0)
4406 PeerChange c = m_peer_change_queue.pop_front();
4408 dout_server<<"Server: Handling peer change: "
4409 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4412 handlePeerChange(c);
4416 u64 Server::getPlayerPrivs(Player *player)
4420 std::string playername = player->getName();
4421 // Local player gets all privileges regardless of
4422 // what's set on their account.
4423 if(g_settings.get("name") == playername)
4429 return getPlayerAuthPrivs(playername);
4433 void dedicated_server_loop(Server &server, bool &kill)
4435 DSTACK(__FUNCTION_NAME);
4437 dstream<<DTIME<<std::endl;
4438 dstream<<"========================"<<std::endl;
4439 dstream<<"Running dedicated server"<<std::endl;
4440 dstream<<"========================"<<std::endl;
4443 IntervalLimiter m_profiler_interval;
4447 // This is kind of a hack but can be done like this
4448 // because server.step() is very light
4450 ScopeProfiler sp(&g_profiler, "dedicated server sleep");
4455 if(server.getShutdownRequested() || kill)
4457 dstream<<DTIME<<" dedicated_server_loop(): Quitting."<<std::endl;
4464 float profiler_print_interval =
4465 g_settings.getFloat("profiler_print_interval");
4466 if(profiler_print_interval != 0)
4468 if(m_profiler_interval.step(0.030, profiler_print_interval))
4470 dstream<<"Profiler:"<<std::endl;
4471 g_profiler.print(dstream);
4479 static int counter = 0;
4485 core::list<PlayerInfo> list = server.getPlayerInfo();
4486 core::list<PlayerInfo>::Iterator i;
4487 static u32 sum_old = 0;
4488 u32 sum = PIChecksum(list);
4491 dstream<<DTIME<<"Player info:"<<std::endl;
4492 for(i=list.begin(); i!=list.end(); i++)
4494 i->PrintLine(&dstream);