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.");
2019 char playername[PLAYERNAME_SIZE];
2020 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2022 playername[i] = data[3+i];
2024 playername[PLAYERNAME_SIZE-1] = 0;
2026 if(playername[0]=='\0')
2028 derr_server<<DTIME<<"Server: Player has empty name"<<std::endl;
2029 SendAccessDenied(m_con, peer_id,
2034 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2036 derr_server<<DTIME<<"Server: Player has invalid name"<<std::endl;
2037 SendAccessDenied(m_con, peer_id,
2038 L"Name contains unallowed characters");
2043 char password[PASSWORD_SIZE];
2044 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2046 // old version - assume blank password
2051 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2053 password[i] = data[23+i];
2055 password[PASSWORD_SIZE-1] = 0;
2058 std::string checkpwd;
2059 if(m_authmanager.exists(playername))
2061 checkpwd = m_authmanager.getPassword(playername);
2065 checkpwd = g_settings.get("default_password");
2068 /*dstream<<"Server: Client gave password '"<<password
2069 <<"', the correct one is '"<<checkpwd<<"'"<<std::endl;*/
2071 if(password != checkpwd && m_authmanager.exists(playername))
2073 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2074 <<": supplied invalid password for "
2075 <<playername<<std::endl;
2076 SendAccessDenied(m_con, peer_id, L"Invalid password");
2080 // Add player to auth manager
2081 if(m_authmanager.exists(playername) == false)
2083 derr_server<<DTIME<<"Server: adding player "<<playername
2084 <<" to auth manager"<<std::endl;
2085 m_authmanager.add(playername);
2086 m_authmanager.setPassword(playername, checkpwd);
2087 m_authmanager.setPrivs(playername,
2088 stringToPrivs(g_settings.get("default_privs")));
2089 m_authmanager.save();
2093 Player *player = emergePlayer(playername, password, peer_id);
2097 // DEBUG: Test serialization
2098 std::ostringstream test_os;
2099 player->serialize(test_os);
2100 dstream<<"Player serialization test: \""<<test_os.str()
2102 std::istringstream test_is(test_os.str());
2103 player->deSerialize(test_is);
2106 // If failed, cancel
2109 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2110 <<": failed to emerge player"<<std::endl;
2115 // If a client is already connected to the player, cancel
2116 if(player->peer_id != 0)
2118 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2119 <<" tried to connect to "
2120 "an already connected player (peer_id="
2121 <<player->peer_id<<")"<<std::endl;
2124 // Set client of player
2125 player->peer_id = peer_id;
2128 // Check if player doesn't exist
2130 throw con::InvalidIncomingDataException
2131 ("Server::ProcessData(): INIT: Player doesn't exist");
2133 /*// update name if it was supplied
2134 if(datasize >= 20+3)
2137 player->updateName((const char*)&data[3]);
2141 Answer with a TOCLIENT_INIT
2144 SharedBuffer<u8> reply(2+1+6+8);
2145 writeU16(&reply[0], TOCLIENT_INIT);
2146 writeU8(&reply[2], deployed);
2147 writeV3S16(&reply[2+1], floatToInt(player->getPosition()+v3f(0,BS/2,0), BS));
2148 writeU64(&reply[2+1+6], m_env.getServerMap().getSeed());
2151 m_con.Send(peer_id, 0, reply, true);
2155 Send complete position information
2157 SendMovePlayer(player);
2162 if(command == TOSERVER_INIT2)
2164 derr_server<<DTIME<<"Server: Got TOSERVER_INIT2 from "
2165 <<peer->id<<std::endl;
2168 getClient(peer->id)->serialization_version
2169 = getClient(peer->id)->pending_serialization_version;
2172 Send some initialization data
2175 // Send player info to all players
2178 // Send inventory to player
2179 UpdateCrafting(peer->id);
2180 SendInventory(peer->id);
2182 // Send player items to all players
2187 Player *player = m_env.getPlayer(peer_id);
2188 SendPlayerHP(player);
2193 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2194 m_env.getTimeOfDay());
2195 m_con.Send(peer->id, 0, data, true);
2198 // Send information about server to player in chat
2199 SendChatMessage(peer_id, getStatusString());
2201 // Send information about joining in chat
2203 std::wstring name = L"unknown";
2204 Player *player = m_env.getPlayer(peer_id);
2206 name = narrow_to_wide(player->getName());
2208 std::wstring message;
2211 message += L" joined game";
2212 BroadcastChatMessage(message);
2215 // Warnings about protocol version can be issued here
2216 /*if(getClient(peer->id)->net_proto_version == 0)
2218 SendChatMessage(peer_id, L"# Server: NOTE: YOUR CLIENT IS OLD AND DOES NOT WORK PROPERLY WITH THIS SERVER");
2224 if(peer_ser_ver == SER_FMT_VER_INVALID)
2226 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: Peer"
2227 " serialization format invalid or not initialized."
2228 " Skipping incoming command="<<command<<std::endl;
2232 Player *player = m_env.getPlayer(peer_id);
2235 derr_server<<"Server::ProcessData(): Cancelling: "
2236 "No player for peer_id="<<peer_id
2240 if(command == TOSERVER_PLAYERPOS)
2242 if(datasize < 2+12+12+4+4)
2246 v3s32 ps = readV3S32(&data[start+2]);
2247 v3s32 ss = readV3S32(&data[start+2+12]);
2248 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2249 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2250 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2251 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2252 pitch = wrapDegrees(pitch);
2253 yaw = wrapDegrees(yaw);
2254 player->setPosition(position);
2255 player->setSpeed(speed);
2256 player->setPitch(pitch);
2257 player->setYaw(yaw);
2259 /*dout_server<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2260 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2261 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2263 else if(command == TOSERVER_GOTBLOCKS)
2276 u16 count = data[2];
2277 for(u16 i=0; i<count; i++)
2279 if((s16)datasize < 2+1+(i+1)*6)
2280 throw con::InvalidIncomingDataException
2281 ("GOTBLOCKS length is too short");
2282 v3s16 p = readV3S16(&data[2+1+i*6]);
2283 /*dstream<<"Server: GOTBLOCKS ("
2284 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2285 RemoteClient *client = getClient(peer_id);
2286 client->GotBlock(p);
2289 else if(command == TOSERVER_DELETEDBLOCKS)
2302 u16 count = data[2];
2303 for(u16 i=0; i<count; i++)
2305 if((s16)datasize < 2+1+(i+1)*6)
2306 throw con::InvalidIncomingDataException
2307 ("DELETEDBLOCKS length is too short");
2308 v3s16 p = readV3S16(&data[2+1+i*6]);
2309 /*dstream<<"Server: DELETEDBLOCKS ("
2310 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2311 RemoteClient *client = getClient(peer_id);
2312 client->SetBlockNotSent(p);
2315 else if(command == TOSERVER_CLICK_OBJECT)
2320 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2325 [2] u8 button (0=left, 1=right)
2330 u8 button = readU8(&data[2]);
2332 p.X = readS16(&data[3]);
2333 p.Y = readS16(&data[5]);
2334 p.Z = readS16(&data[7]);
2335 s16 id = readS16(&data[9]);
2336 //u16 item_i = readU16(&data[11]);
2338 MapBlock *block = NULL;
2341 block = m_env.getMap().getBlockNoCreate(p);
2343 catch(InvalidPositionException &e)
2345 derr_server<<"CLICK_OBJECT block not found"<<std::endl;
2349 MapBlockObject *obj = block->getObject(id);
2353 derr_server<<"CLICK_OBJECT object not found"<<std::endl;
2357 //TODO: Check that object is reasonably close
2362 InventoryList *ilist = player->inventory.getList("main");
2363 if(g_settings.getBool("creative_mode") == false && ilist != NULL)
2366 // Skip if inventory has no free space
2367 if(ilist->getUsedSlots() == ilist->getSize())
2369 dout_server<<"Player inventory has no free space"<<std::endl;
2374 Create the inventory item
2376 InventoryItem *item = NULL;
2377 // If it is an item-object, take the item from it
2378 if(obj->getTypeId() == MAPBLOCKOBJECT_TYPE_ITEM)
2380 item = ((ItemObject*)obj)->createInventoryItem();
2382 // Else create an item of the object
2385 item = new MapBlockObjectItem
2386 (obj->getInventoryString());
2389 // Add to inventory and send inventory
2390 ilist->addItem(item);
2391 UpdateCrafting(player->peer_id);
2392 SendInventory(player->peer_id);
2395 // Remove from block
2396 block->removeObject(id);
2399 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2404 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2410 [2] u8 button (0=left, 1=right)
2414 u8 button = readU8(&data[2]);
2415 u16 id = readS16(&data[3]);
2416 u16 item_i = readU16(&data[11]);
2418 ServerActiveObject *obj = m_env.getActiveObject(id);
2422 derr_server<<"Server: CLICK_ACTIVEOBJECT: object not found"
2427 // Skip if object has been removed
2431 //TODO: Check that object is reasonably close
2433 // Left click, pick object up (usually)
2437 Try creating inventory item
2439 InventoryItem *item = obj->createPickedUpItem();
2443 InventoryList *ilist = player->inventory.getList("main");
2446 if(g_settings.getBool("creative_mode") == false)
2448 // Skip if inventory has no free space
2449 if(ilist->getUsedSlots() == ilist->getSize())
2451 dout_server<<"Player inventory has no free space"<<std::endl;
2455 // Add to inventory and send inventory
2456 ilist->addItem(item);
2457 UpdateCrafting(player->peer_id);
2458 SendInventory(player->peer_id);
2461 // Remove object from environment
2462 obj->m_removed = true;
2468 Item cannot be picked up. Punch it instead.
2471 ToolItem *titem = NULL;
2472 std::string toolname = "";
2474 InventoryList *mlist = player->inventory.getList("main");
2477 InventoryItem *item = mlist->getItem(item_i);
2478 if(item && (std::string)item->getName() == "ToolItem")
2480 titem = (ToolItem*)item;
2481 toolname = titem->getToolName();
2485 v3f playerpos = player->getPosition();
2486 v3f objpos = obj->getBasePosition();
2487 v3f dir = (objpos - playerpos).normalize();
2489 u16 wear = obj->punch(toolname, dir);
2493 bool weared_out = titem->addWear(wear);
2495 mlist->deleteItem(item_i);
2496 SendInventory(player->peer_id);
2500 // Right click, do something with object
2503 // Track hp changes super-crappily
2504 u16 oldhp = player->hp;
2507 obj->rightClick(player);
2510 if(player->hp != oldhp)
2512 SendPlayerHP(player);
2516 else if(command == TOSERVER_GROUND_ACTION)
2524 [3] v3s16 nodepos_undersurface
2525 [9] v3s16 nodepos_abovesurface
2530 2: stop digging (all parameters ignored)
2531 3: digging completed
2533 u8 action = readU8(&data[2]);
2535 p_under.X = readS16(&data[3]);
2536 p_under.Y = readS16(&data[5]);
2537 p_under.Z = readS16(&data[7]);
2539 p_over.X = readS16(&data[9]);
2540 p_over.Y = readS16(&data[11]);
2541 p_over.Z = readS16(&data[13]);
2542 u16 item_i = readU16(&data[15]);
2544 //TODO: Check that target is reasonably close
2552 NOTE: This can be used in the future to check if
2553 somebody is cheating, by checking the timing.
2560 else if(action == 2)
2563 RemoteClient *client = getClient(peer->id);
2564 JMutexAutoLock digmutex(client->m_dig_mutex);
2565 client->m_dig_tool_item = -1;
2570 3: Digging completed
2572 else if(action == 3)
2574 // Mandatory parameter; actually used for nothing
2575 core::map<v3s16, MapBlock*> modified_blocks;
2577 content_t material = CONTENT_IGNORE;
2578 u8 mineral = MINERAL_NONE;
2580 bool cannot_remove_node = false;
2584 MapNode n = m_env.getMap().getNode(p_under);
2586 mineral = n.getMineral();
2587 // Get material at position
2588 material = n.getContent();
2589 // If not yet cancelled
2590 if(cannot_remove_node == false)
2592 // If it's not diggable, do nothing
2593 if(content_diggable(material) == false)
2595 derr_server<<"Server: Not finishing digging: "
2596 <<"Node not diggable"
2598 cannot_remove_node = true;
2601 // If not yet cancelled
2602 if(cannot_remove_node == false)
2604 // Get node metadata
2605 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p_under);
2606 if(meta && meta->nodeRemovalDisabled() == true)
2608 derr_server<<"Server: Not finishing digging: "
2609 <<"Node metadata disables removal"
2611 cannot_remove_node = true;
2615 catch(InvalidPositionException &e)
2617 derr_server<<"Server: Not finishing digging: Node not found."
2618 <<" Adding block to emerge queue."
2620 m_emerge_queue.addBlock(peer_id,
2621 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2622 cannot_remove_node = true;
2625 // Make sure the player is allowed to do it
2626 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2628 dstream<<"Player "<<player->getName()<<" cannot remove node"
2629 <<" because privileges are "<<getPlayerPrivs(player)
2631 cannot_remove_node = true;
2635 If node can't be removed, set block to be re-sent to
2638 if(cannot_remove_node)
2640 derr_server<<"Server: Not finishing digging."<<std::endl;
2642 // Client probably has wrong data.
2643 // Set block not sent, so that client will get
2645 dstream<<"Client "<<peer_id<<" tried to dig "
2646 <<"node; but node cannot be removed."
2647 <<" setting MapBlock not sent."<<std::endl;
2648 RemoteClient *client = getClient(peer_id);
2649 v3s16 blockpos = getNodeBlockPos(p_under);
2650 client->SetBlockNotSent(blockpos);
2656 Send the removal to all close-by players.
2657 - If other player is close, send REMOVENODE
2658 - Otherwise set blocks not sent
2660 core::list<u16> far_players;
2661 sendRemoveNode(p_under, peer_id, &far_players, 30);
2664 Update and send inventory
2667 if(g_settings.getBool("creative_mode") == false)
2672 InventoryList *mlist = player->inventory.getList("main");
2675 InventoryItem *item = mlist->getItem(item_i);
2676 if(item && (std::string)item->getName() == "ToolItem")
2678 ToolItem *titem = (ToolItem*)item;
2679 std::string toolname = titem->getToolName();
2681 // Get digging properties for material and tool
2682 DiggingProperties prop =
2683 getDiggingProperties(material, toolname);
2685 if(prop.diggable == false)
2687 derr_server<<"Server: WARNING: Player digged"
2688 <<" with impossible material + tool"
2689 <<" combination"<<std::endl;
2692 bool weared_out = titem->addWear(prop.wear);
2696 mlist->deleteItem(item_i);
2702 Add dug item to inventory
2705 InventoryItem *item = NULL;
2707 if(mineral != MINERAL_NONE)
2708 item = getDiggedMineralItem(mineral);
2713 std::string &dug_s = content_features(material).dug_item;
2716 std::istringstream is(dug_s, std::ios::binary);
2717 item = InventoryItem::deSerialize(is);
2723 // Add a item to inventory
2724 player->inventory.addItem("main", item);
2727 UpdateCrafting(player->peer_id);
2728 SendInventory(player->peer_id);
2734 (this takes some time so it is done after the quick stuff)
2737 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2739 m_env.getMap().removeNodeAndUpdate(p_under, modified_blocks);
2742 Set blocks not sent to far players
2744 for(core::list<u16>::Iterator
2745 i = far_players.begin();
2746 i != far_players.end(); i++)
2749 RemoteClient *client = getClient(peer_id);
2752 client->SetBlocksNotSent(modified_blocks);
2759 else if(action == 1)
2762 InventoryList *ilist = player->inventory.getList("main");
2767 InventoryItem *item = ilist->getItem(item_i);
2769 // If there is no item, it is not possible to add it anywhere
2774 Handle material items
2776 if(std::string("MaterialItem") == item->getName())
2779 // Don't add a node if this is not a free space
2780 MapNode n2 = m_env.getMap().getNode(p_over);
2781 bool no_enough_privs =
2782 ((getPlayerPrivs(player) & PRIV_BUILD)==0);
2784 dstream<<"Player "<<player->getName()<<" cannot add node"
2785 <<" because privileges are "<<getPlayerPrivs(player)
2788 if(content_features(n2).buildable_to == false
2791 // Client probably has wrong data.
2792 // Set block not sent, so that client will get
2794 dstream<<"Client "<<peer_id<<" tried to place"
2795 <<" node in invalid position; setting"
2796 <<" MapBlock not sent."<<std::endl;
2797 RemoteClient *client = getClient(peer_id);
2798 v3s16 blockpos = getNodeBlockPos(p_over);
2799 client->SetBlockNotSent(blockpos);
2803 catch(InvalidPositionException &e)
2805 derr_server<<"Server: Ignoring ADDNODE: Node not found"
2806 <<" Adding block to emerge queue."
2808 m_emerge_queue.addBlock(peer_id,
2809 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2813 // Reset build time counter
2814 getClient(peer->id)->m_time_from_building = 0.0;
2817 MaterialItem *mitem = (MaterialItem*)item;
2819 n.setContent(mitem->getMaterial());
2821 // Calculate direction for wall mounted stuff
2822 if(content_features(n).wall_mounted)
2823 n.param2 = packDir(p_under - p_over);
2825 // Calculate the direction for furnaces and chests and stuff
2826 if(content_features(n).param_type == CPT_FACEDIR_SIMPLE)
2828 v3f playerpos = player->getPosition();
2829 v3f blockpos = intToFloat(p_over, BS) - playerpos;
2830 blockpos = blockpos.normalize();
2832 if (fabs(blockpos.X) > fabs(blockpos.Z)) {
2846 Send to all close-by players
2848 core::list<u16> far_players;
2849 sendAddNode(p_over, n, 0, &far_players, 30);
2854 InventoryList *ilist = player->inventory.getList("main");
2855 if(g_settings.getBool("creative_mode") == false && ilist)
2857 // Remove from inventory and send inventory
2858 if(mitem->getCount() == 1)
2859 ilist->deleteItem(item_i);
2863 UpdateCrafting(peer_id);
2864 SendInventory(peer_id);
2870 This takes some time so it is done after the quick stuff
2872 core::map<v3s16, MapBlock*> modified_blocks;
2874 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2876 m_env.getMap().addNodeAndUpdate(p_over, n, modified_blocks);
2879 Set blocks not sent to far players
2881 for(core::list<u16>::Iterator
2882 i = far_players.begin();
2883 i != far_players.end(); i++)
2886 RemoteClient *client = getClient(peer_id);
2889 client->SetBlocksNotSent(modified_blocks);
2893 Calculate special events
2896 /*if(n.d == CONTENT_MESE)
2899 for(s16 z=-1; z<=1; z++)
2900 for(s16 y=-1; y<=1; y++)
2901 for(s16 x=-1; x<=1; x++)
2908 Place other item (not a block)
2912 v3s16 blockpos = getNodeBlockPos(p_over);
2915 Check that the block is loaded so that the item
2916 can properly be added to the static list too
2918 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
2921 derr_server<<"Error while placing object: "
2922 "block not found"<<std::endl;
2927 If in creative mode, item dropping is disabled unless
2928 player has build privileges
2930 if(g_settings.getBool("creative_mode") &&
2931 (getPlayerPrivs(player) & PRIV_BUILD) == 0)
2933 derr_server<<"Not allowing player to drop item: "
2934 "creative mode and no build privs"<<std::endl;
2938 dout_server<<"Placing a miscellaneous item on map"
2941 // Calculate a position for it
2942 v3f pos = intToFloat(p_over, BS);
2944 pos.Y -= BS*0.25; // let it drop a bit
2946 pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2947 pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2952 ServerActiveObject *obj = item->createSAO(&m_env, 0, pos);
2956 derr_server<<"WARNING: item resulted in NULL object, "
2957 <<"not placing onto map"
2962 // Add the object to the environment
2963 m_env.addActiveObject(obj);
2965 dout_server<<"Placed object"<<std::endl;
2967 if(g_settings.getBool("creative_mode") == false)
2969 // Delete the right amount of items from the slot
2970 u16 dropcount = item->getDropCount();
2972 // Delete item if all gone
2973 if(item->getCount() <= dropcount)
2975 if(item->getCount() < dropcount)
2976 dstream<<"WARNING: Server: dropped more items"
2977 <<" than the slot contains"<<std::endl;
2979 InventoryList *ilist = player->inventory.getList("main");
2981 // Remove from inventory and send inventory
2982 ilist->deleteItem(item_i);
2984 // Else decrement it
2986 item->remove(dropcount);
2989 UpdateCrafting(peer_id);
2990 SendInventory(peer_id);
2998 Catch invalid actions
3002 derr_server<<"WARNING: Server: Invalid action "
3003 <<action<<std::endl;
3007 else if(command == TOSERVER_RELEASE)
3016 dstream<<"TOSERVER_RELEASE ignored"<<std::endl;
3019 else if(command == TOSERVER_SIGNTEXT)
3021 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3030 std::string datastring((char*)&data[2], datasize-2);
3031 std::istringstream is(datastring, std::ios_base::binary);
3034 is.read((char*)buf, 6);
3035 v3s16 blockpos = readV3S16(buf);
3036 is.read((char*)buf, 2);
3037 s16 id = readS16(buf);
3038 is.read((char*)buf, 2);
3039 u16 textlen = readU16(buf);
3041 for(u16 i=0; i<textlen; i++)
3043 is.read((char*)buf, 1);
3044 text += (char)buf[0];
3047 MapBlock *block = NULL;
3050 block = m_env.getMap().getBlockNoCreate(blockpos);
3052 catch(InvalidPositionException &e)
3054 derr_server<<"Error while setting sign text: "
3055 "block not found"<<std::endl;
3059 MapBlockObject *obj = block->getObject(id);
3062 derr_server<<"Error while setting sign text: "
3063 "object not found"<<std::endl;
3067 if(obj->getTypeId() != MAPBLOCKOBJECT_TYPE_SIGN)
3069 derr_server<<"Error while setting sign text: "
3070 "object is not a sign"<<std::endl;
3074 ((SignObject*)obj)->setText(text);
3076 obj->getBlock()->setChangedFlag();
3078 else if(command == TOSERVER_SIGNNODETEXT)
3080 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3088 std::string datastring((char*)&data[2], datasize-2);
3089 std::istringstream is(datastring, std::ios_base::binary);
3092 is.read((char*)buf, 6);
3093 v3s16 p = readV3S16(buf);
3094 is.read((char*)buf, 2);
3095 u16 textlen = readU16(buf);
3097 for(u16 i=0; i<textlen; i++)
3099 is.read((char*)buf, 1);
3100 text += (char)buf[0];
3103 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3106 if(meta->typeId() != CONTENT_SIGN_WALL)
3108 SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
3109 signmeta->setText(text);
3111 v3s16 blockpos = getNodeBlockPos(p);
3112 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
3115 block->setChangedFlag();
3118 for(core::map<u16, RemoteClient*>::Iterator
3119 i = m_clients.getIterator();
3120 i.atEnd()==false; i++)
3122 RemoteClient *client = i.getNode()->getValue();
3123 client->SetBlockNotSent(blockpos);
3126 else if(command == TOSERVER_INVENTORY_ACTION)
3128 /*// Ignore inventory changes if in creative mode
3129 if(g_settings.getBool("creative_mode") == true)
3131 dstream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
3135 // Strip command and create a stream
3136 std::string datastring((char*)&data[2], datasize-2);
3137 dstream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
3138 std::istringstream is(datastring, std::ios_base::binary);
3140 InventoryAction *a = InventoryAction::deSerialize(is);
3145 c.current_player = player;
3148 Handle craftresult specially if not in creative mode
3150 bool disable_action = false;
3151 if(a->getType() == IACTION_MOVE
3152 && g_settings.getBool("creative_mode") == false)
3154 IMoveAction *ma = (IMoveAction*)a;
3155 if(ma->to_inv == "current_player" &&
3156 ma->from_inv == "current_player")
3158 InventoryList *rlist = player->inventory.getList("craftresult");
3160 InventoryList *clist = player->inventory.getList("craft");
3162 InventoryList *mlist = player->inventory.getList("main");
3165 Craftresult is no longer preview if something
3168 if(ma->to_list == "craftresult"
3169 && ma->from_list != "craftresult")
3171 // If it currently is a preview, remove
3173 if(player->craftresult_is_preview)
3175 rlist->deleteItem(0);
3177 player->craftresult_is_preview = false;
3180 Crafting takes place if this condition is true.
3182 if(player->craftresult_is_preview &&
3183 ma->from_list == "craftresult")
3185 player->craftresult_is_preview = false;
3186 clist->decrementMaterials(1);
3189 If the craftresult is placed on itself, move it to
3190 main inventory instead of doing the action
3192 if(ma->to_list == "craftresult"
3193 && ma->from_list == "craftresult")
3195 disable_action = true;
3197 InventoryItem *item1 = rlist->changeItem(0, NULL);
3198 mlist->addItem(item1);
3203 if(disable_action == false)
3205 // Feed action to player inventory
3213 UpdateCrafting(player->peer_id);
3214 SendInventory(player->peer_id);
3219 dstream<<"TOSERVER_INVENTORY_ACTION: "
3220 <<"InventoryAction::deSerialize() returned NULL"
3224 else if(command == TOSERVER_CHAT_MESSAGE)
3232 std::string datastring((char*)&data[2], datasize-2);
3233 std::istringstream is(datastring, std::ios_base::binary);
3236 is.read((char*)buf, 2);
3237 u16 len = readU16(buf);
3239 std::wstring message;
3240 for(u16 i=0; i<len; i++)
3242 is.read((char*)buf, 2);
3243 message += (wchar_t)readU16(buf);
3246 // Get player name of this client
3247 std::wstring name = narrow_to_wide(player->getName());
3249 // Line to send to players
3251 // Whether to send to the player that sent the line
3252 bool send_to_sender = false;
3253 // Whether to send to other players
3254 bool send_to_others = false;
3256 // Local player gets all privileges regardless of
3257 // what's set on their account.
3258 u64 privs = getPlayerPrivs(player);
3261 if(message[0] == L'/')
3263 size_t strip_size = 1;
3264 if (message[1] == L'#') // support old-style commans
3266 message = message.substr(strip_size);
3268 WStrfnd f1(message);
3269 f1.next(L" "); // Skip over /#whatever
3270 std::wstring paramstring = f1.next(L"");
3272 ServerCommandContext *ctx = new ServerCommandContext(
3273 str_split(message, L' '),
3280 std::wstring reply(processServerCommand(ctx));
3281 send_to_sender = ctx->flags & SEND_TO_SENDER;
3282 send_to_others = ctx->flags & SEND_TO_OTHERS;
3284 if (ctx->flags & SEND_NO_PREFIX)
3287 line += L"Server: " + reply;
3294 if(privs & PRIV_SHOUT)
3300 send_to_others = true;
3304 line += L"Server: You are not allowed to shout";
3305 send_to_sender = true;
3311 dstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
3314 Send the message to clients
3316 for(core::map<u16, RemoteClient*>::Iterator
3317 i = m_clients.getIterator();
3318 i.atEnd() == false; i++)
3320 // Get client and check that it is valid
3321 RemoteClient *client = i.getNode()->getValue();
3322 assert(client->peer_id == i.getNode()->getKey());
3323 if(client->serialization_version == SER_FMT_VER_INVALID)
3327 bool sender_selected = (peer_id == client->peer_id);
3328 if(sender_selected == true && send_to_sender == false)
3330 if(sender_selected == false && send_to_others == false)
3333 SendChatMessage(client->peer_id, line);
3337 else if(command == TOSERVER_DAMAGE)
3339 if(g_settings.getBool("enable_damage"))
3341 std::string datastring((char*)&data[2], datasize-2);
3342 std::istringstream is(datastring, std::ios_base::binary);
3343 u8 damage = readU8(is);
3344 if(player->hp > damage)
3346 player->hp -= damage;
3352 dstream<<"TODO: Server: TOSERVER_HP_DECREMENT: Player dies"
3355 v3f pos = findSpawnPos(m_env.getServerMap());
3356 player->setPosition(pos);
3358 SendMovePlayer(player);
3359 SendPlayerHP(player);
3361 //TODO: Throw items around
3365 SendPlayerHP(player);
3367 else if(command == TOSERVER_PASSWORD)
3370 [0] u16 TOSERVER_PASSWORD
3371 [2] u8[28] old password
3372 [30] u8[28] new password
3375 if(datasize != 2+PASSWORD_SIZE*2)
3377 /*char password[PASSWORD_SIZE];
3378 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3379 password[i] = data[2+i];
3380 password[PASSWORD_SIZE-1] = 0;*/
3382 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3390 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3392 char c = data[2+PASSWORD_SIZE+i];
3398 dstream<<"Server: Client requests a password change from "
3399 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
3401 std::string playername = player->getName();
3403 if(m_authmanager.exists(playername) == false)
3405 dstream<<"Server: playername not found in authmanager"<<std::endl;
3406 // Wrong old password supplied!!
3407 SendChatMessage(peer_id, L"playername not found in authmanager");
3411 std::string checkpwd = m_authmanager.getPassword(playername);
3413 if(oldpwd != checkpwd)
3415 dstream<<"Server: invalid old password"<<std::endl;
3416 // Wrong old password supplied!!
3417 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
3421 m_authmanager.setPassword(playername, newpwd);
3423 dstream<<"Server: password change successful for "<<playername
3425 SendChatMessage(peer_id, L"Password change successful");
3427 else if (command == TOSERVER_PLAYERITEM)
3432 u16 item = readU16(&data[2]);
3433 player->wieldItem(item);
3434 SendWieldedItem(player);
3438 derr_server<<"WARNING: Server::ProcessData(): Ignoring "
3439 "unknown command "<<command<<std::endl;
3443 catch(SendFailedException &e)
3445 derr_server<<"Server::ProcessData(): SendFailedException: "
3451 void Server::onMapEditEvent(MapEditEvent *event)
3453 //dstream<<"Server::onMapEditEvent()"<<std::endl;
3454 if(m_ignore_map_edit_events)
3456 MapEditEvent *e = event->clone();
3457 m_unsent_map_edit_queue.push_back(e);
3460 Inventory* Server::getInventory(InventoryContext *c, std::string id)
3462 if(id == "current_player")
3464 assert(c->current_player);
3465 return &(c->current_player->inventory);
3469 std::string id0 = fn.next(":");
3471 if(id0 == "nodemeta")
3474 p.X = stoi(fn.next(","));
3475 p.Y = stoi(fn.next(","));
3476 p.Z = stoi(fn.next(","));
3477 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3479 return meta->getInventory();
3480 dstream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
3481 <<"no metadata found"<<std::endl;
3485 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3488 void Server::inventoryModified(InventoryContext *c, std::string id)
3490 if(id == "current_player")
3492 assert(c->current_player);
3494 UpdateCrafting(c->current_player->peer_id);
3495 SendInventory(c->current_player->peer_id);
3500 std::string id0 = fn.next(":");
3502 if(id0 == "nodemeta")
3505 p.X = stoi(fn.next(","));
3506 p.Y = stoi(fn.next(","));
3507 p.Z = stoi(fn.next(","));
3508 v3s16 blockpos = getNodeBlockPos(p);
3510 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3512 meta->inventoryModified();
3514 for(core::map<u16, RemoteClient*>::Iterator
3515 i = m_clients.getIterator();
3516 i.atEnd()==false; i++)
3518 RemoteClient *client = i.getNode()->getValue();
3519 client->SetBlockNotSent(blockpos);
3525 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3528 core::list<PlayerInfo> Server::getPlayerInfo()
3530 DSTACK(__FUNCTION_NAME);
3531 JMutexAutoLock envlock(m_env_mutex);
3532 JMutexAutoLock conlock(m_con_mutex);
3534 core::list<PlayerInfo> list;
3536 core::list<Player*> players = m_env.getPlayers();
3538 core::list<Player*>::Iterator i;
3539 for(i = players.begin();
3540 i != players.end(); i++)
3544 Player *player = *i;
3547 con::Peer *peer = m_con.GetPeer(player->peer_id);
3548 // Copy info from peer to info struct
3550 info.address = peer->address;
3551 info.avg_rtt = peer->avg_rtt;
3553 catch(con::PeerNotFoundException &e)
3555 // Set dummy peer info
3557 info.address = Address(0,0,0,0,0);
3561 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3562 info.position = player->getPosition();
3564 list.push_back(info);
3571 void Server::peerAdded(con::Peer *peer)
3573 DSTACK(__FUNCTION_NAME);
3574 dout_server<<"Server::peerAdded(): peer->id="
3575 <<peer->id<<std::endl;
3578 c.type = PEER_ADDED;
3579 c.peer_id = peer->id;
3581 m_peer_change_queue.push_back(c);
3584 void Server::deletingPeer(con::Peer *peer, bool timeout)
3586 DSTACK(__FUNCTION_NAME);
3587 dout_server<<"Server::deletingPeer(): peer->id="
3588 <<peer->id<<", timeout="<<timeout<<std::endl;
3591 c.type = PEER_REMOVED;
3592 c.peer_id = peer->id;
3593 c.timeout = timeout;
3594 m_peer_change_queue.push_back(c);
3601 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3603 DSTACK(__FUNCTION_NAME);
3604 std::ostringstream os(std::ios_base::binary);
3606 writeU16(os, TOCLIENT_HP);
3610 std::string s = os.str();
3611 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3613 con.Send(peer_id, 0, data, true);
3616 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3617 const std::wstring &reason)
3619 DSTACK(__FUNCTION_NAME);
3620 std::ostringstream os(std::ios_base::binary);
3622 writeU16(os, TOCLIENT_ACCESS_DENIED);
3623 os<<serializeWideString(reason);
3626 std::string s = os.str();
3627 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3629 con.Send(peer_id, 0, data, true);
3633 Non-static send methods
3636 void Server::SendObjectData(float dtime)
3638 DSTACK(__FUNCTION_NAME);
3640 core::map<v3s16, bool> stepped_blocks;
3642 for(core::map<u16, RemoteClient*>::Iterator
3643 i = m_clients.getIterator();
3644 i.atEnd() == false; i++)
3646 u16 peer_id = i.getNode()->getKey();
3647 RemoteClient *client = i.getNode()->getValue();
3648 assert(client->peer_id == peer_id);
3650 if(client->serialization_version == SER_FMT_VER_INVALID)
3653 client->SendObjectData(this, dtime, stepped_blocks);
3657 void Server::SendPlayerInfos()
3659 DSTACK(__FUNCTION_NAME);
3661 //JMutexAutoLock envlock(m_env_mutex);
3663 // Get connected players
3664 core::list<Player*> players = m_env.getPlayers(true);
3666 u32 player_count = players.getSize();
3667 u32 datasize = 2+(2+PLAYERNAME_SIZE)*player_count;
3669 SharedBuffer<u8> data(datasize);
3670 writeU16(&data[0], TOCLIENT_PLAYERINFO);
3673 core::list<Player*>::Iterator i;
3674 for(i = players.begin();
3675 i != players.end(); i++)
3677 Player *player = *i;
3679 /*dstream<<"Server sending player info for player with "
3680 "peer_id="<<player->peer_id<<std::endl;*/
3682 writeU16(&data[start], player->peer_id);
3683 memset((char*)&data[start+2], 0, PLAYERNAME_SIZE);
3684 snprintf((char*)&data[start+2], PLAYERNAME_SIZE, "%s", player->getName());
3685 start += 2+PLAYERNAME_SIZE;
3688 //JMutexAutoLock conlock(m_con_mutex);
3691 m_con.SendToAll(0, data, true);
3694 void Server::SendInventory(u16 peer_id)
3696 DSTACK(__FUNCTION_NAME);
3698 Player* player = m_env.getPlayer(peer_id);
3705 std::ostringstream os;
3706 //os.imbue(std::locale("C"));
3708 player->inventory.serialize(os);
3710 std::string s = os.str();
3712 SharedBuffer<u8> data(s.size()+2);
3713 writeU16(&data[0], TOCLIENT_INVENTORY);
3714 memcpy(&data[2], s.c_str(), s.size());
3717 m_con.Send(peer_id, 0, data, true);
3720 std::string getWieldedItemString(const Player *player)
3722 const InventoryItem *item = player->getWieldItem();
3724 return std::string("");
3725 std::ostringstream os(std::ios_base::binary);
3726 item->serialize(os);
3730 void Server::SendWieldedItem(const Player* player)
3732 DSTACK(__FUNCTION_NAME);
3736 std::ostringstream os(std::ios_base::binary);
3738 writeU16(os, TOCLIENT_PLAYERITEM);
3740 writeU16(os, player->peer_id);
3741 os<<serializeString(getWieldedItemString(player));
3744 std::string s = os.str();
3745 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3747 m_con.SendToAll(0, data, true);
3750 void Server::SendPlayerItems()
3752 DSTACK(__FUNCTION_NAME);
3754 std::ostringstream os(std::ios_base::binary);
3755 core::list<Player *> players = m_env.getPlayers(true);
3757 writeU16(os, TOCLIENT_PLAYERITEM);
3758 writeU16(os, players.size());
3759 core::list<Player *>::Iterator i;
3760 for(i = players.begin(); i != players.end(); ++i)
3763 writeU16(os, p->peer_id);
3764 os<<serializeString(getWieldedItemString(p));
3768 std::string s = os.str();
3769 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3771 m_con.SendToAll(0, data, true);
3774 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3776 DSTACK(__FUNCTION_NAME);
3778 std::ostringstream os(std::ios_base::binary);
3782 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3783 os.write((char*)buf, 2);
3786 writeU16(buf, message.size());
3787 os.write((char*)buf, 2);
3790 for(u32 i=0; i<message.size(); i++)
3794 os.write((char*)buf, 2);
3798 std::string s = os.str();
3799 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3801 m_con.Send(peer_id, 0, data, true);
3804 void Server::BroadcastChatMessage(const std::wstring &message)
3806 for(core::map<u16, RemoteClient*>::Iterator
3807 i = m_clients.getIterator();
3808 i.atEnd() == false; i++)
3810 // Get client and check that it is valid
3811 RemoteClient *client = i.getNode()->getValue();
3812 assert(client->peer_id == i.getNode()->getKey());
3813 if(client->serialization_version == SER_FMT_VER_INVALID)
3816 SendChatMessage(client->peer_id, message);
3820 void Server::SendPlayerHP(Player *player)
3822 SendHP(m_con, player->peer_id, player->hp);
3825 void Server::SendMovePlayer(Player *player)
3827 DSTACK(__FUNCTION_NAME);
3828 std::ostringstream os(std::ios_base::binary);
3830 writeU16(os, TOCLIENT_MOVE_PLAYER);
3831 writeV3F1000(os, player->getPosition());
3832 writeF1000(os, player->getPitch());
3833 writeF1000(os, player->getYaw());
3836 v3f pos = player->getPosition();
3837 f32 pitch = player->getPitch();
3838 f32 yaw = player->getYaw();
3839 dstream<<"Server sending TOCLIENT_MOVE_PLAYER"
3840 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3847 std::string s = os.str();
3848 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3850 m_con.Send(player->peer_id, 0, data, true);
3853 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3854 core::list<u16> *far_players, float far_d_nodes)
3856 float maxd = far_d_nodes*BS;
3857 v3f p_f = intToFloat(p, BS);
3861 SharedBuffer<u8> reply(replysize);
3862 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3863 writeS16(&reply[2], p.X);
3864 writeS16(&reply[4], p.Y);
3865 writeS16(&reply[6], p.Z);
3867 for(core::map<u16, RemoteClient*>::Iterator
3868 i = m_clients.getIterator();
3869 i.atEnd() == false; i++)
3871 // Get client and check that it is valid
3872 RemoteClient *client = i.getNode()->getValue();
3873 assert(client->peer_id == i.getNode()->getKey());
3874 if(client->serialization_version == SER_FMT_VER_INVALID)
3877 // Don't send if it's the same one
3878 if(client->peer_id == ignore_id)
3884 Player *player = m_env.getPlayer(client->peer_id);
3887 // If player is far away, only set modified blocks not sent
3888 v3f player_pos = player->getPosition();
3889 if(player_pos.getDistanceFrom(p_f) > maxd)
3891 far_players->push_back(client->peer_id);
3898 m_con.Send(client->peer_id, 0, reply, true);
3902 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3903 core::list<u16> *far_players, float far_d_nodes)
3905 float maxd = far_d_nodes*BS;
3906 v3f p_f = intToFloat(p, BS);
3908 for(core::map<u16, RemoteClient*>::Iterator
3909 i = m_clients.getIterator();
3910 i.atEnd() == false; i++)
3912 // Get client and check that it is valid
3913 RemoteClient *client = i.getNode()->getValue();
3914 assert(client->peer_id == i.getNode()->getKey());
3915 if(client->serialization_version == SER_FMT_VER_INVALID)
3918 // Don't send if it's the same one
3919 if(client->peer_id == ignore_id)
3925 Player *player = m_env.getPlayer(client->peer_id);
3928 // If player is far away, only set modified blocks not sent
3929 v3f player_pos = player->getPosition();
3930 if(player_pos.getDistanceFrom(p_f) > maxd)
3932 far_players->push_back(client->peer_id);
3939 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3940 SharedBuffer<u8> reply(replysize);
3941 writeU16(&reply[0], TOCLIENT_ADDNODE);
3942 writeS16(&reply[2], p.X);
3943 writeS16(&reply[4], p.Y);
3944 writeS16(&reply[6], p.Z);
3945 n.serialize(&reply[8], client->serialization_version);
3948 m_con.Send(client->peer_id, 0, reply, true);
3952 void Server::setBlockNotSent(v3s16 p)
3954 for(core::map<u16, RemoteClient*>::Iterator
3955 i = m_clients.getIterator();
3956 i.atEnd()==false; i++)
3958 RemoteClient *client = i.getNode()->getValue();
3959 client->SetBlockNotSent(p);
3963 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
3965 DSTACK(__FUNCTION_NAME);
3967 v3s16 p = block->getPos();
3971 bool completely_air = true;
3972 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
3973 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
3974 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
3976 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
3978 completely_air = false;
3979 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
3984 dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
3986 dstream<<"[completely air] ";
3991 Create a packet with the block in the right format
3994 std::ostringstream os(std::ios_base::binary);
3995 block->serialize(os, ver);
3996 std::string s = os.str();
3997 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
3999 u32 replysize = 8 + blockdata.getSize();
4000 SharedBuffer<u8> reply(replysize);
4001 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
4002 writeS16(&reply[2], p.X);
4003 writeS16(&reply[4], p.Y);
4004 writeS16(&reply[6], p.Z);
4005 memcpy(&reply[8], *blockdata, blockdata.getSize());
4007 /*dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
4008 <<": \tpacket size: "<<replysize<<std::endl;*/
4013 m_con.Send(peer_id, 1, reply, true);
4016 void Server::SendBlocks(float dtime)
4018 DSTACK(__FUNCTION_NAME);
4020 JMutexAutoLock envlock(m_env_mutex);
4021 JMutexAutoLock conlock(m_con_mutex);
4023 //TimeTaker timer("Server::SendBlocks");
4025 core::array<PrioritySortedBlockTransfer> queue;
4027 s32 total_sending = 0;
4030 ScopeProfiler sp(&g_profiler, "Server: selecting blocks for sending");
4032 for(core::map<u16, RemoteClient*>::Iterator
4033 i = m_clients.getIterator();
4034 i.atEnd() == false; i++)
4036 RemoteClient *client = i.getNode()->getValue();
4037 assert(client->peer_id == i.getNode()->getKey());
4039 total_sending += client->SendingCount();
4041 if(client->serialization_version == SER_FMT_VER_INVALID)
4044 client->GetNextBlocks(this, dtime, queue);
4049 // Lowest priority number comes first.
4050 // Lowest is most important.
4053 for(u32 i=0; i<queue.size(); i++)
4055 //TODO: Calculate limit dynamically
4056 if(total_sending >= g_settings.getS32
4057 ("max_simultaneous_block_sends_server_total"))
4060 PrioritySortedBlockTransfer q = queue[i];
4062 MapBlock *block = NULL;
4065 block = m_env.getMap().getBlockNoCreate(q.pos);
4067 catch(InvalidPositionException &e)
4072 RemoteClient *client = getClient(q.peer_id);
4074 SendBlockNoLock(q.peer_id, block, client->serialization_version);
4076 client->SentBlock(q.pos);
4086 void Server::UpdateCrafting(u16 peer_id)
4088 DSTACK(__FUNCTION_NAME);
4090 Player* player = m_env.getPlayer(peer_id);
4094 Calculate crafting stuff
4096 if(g_settings.getBool("creative_mode") == false)
4098 InventoryList *clist = player->inventory.getList("craft");
4099 InventoryList *rlist = player->inventory.getList("craftresult");
4101 if(rlist->getUsedSlots() == 0)
4102 player->craftresult_is_preview = true;
4104 if(rlist && player->craftresult_is_preview)
4106 rlist->clearItems();
4108 if(clist && rlist && player->craftresult_is_preview)
4110 InventoryItem *items[9];
4111 for(u16 i=0; i<9; i++)
4113 items[i] = clist->getItem(i);
4116 // Get result of crafting grid
4117 InventoryItem *result = craft_get_result(items);
4119 rlist->addItem(result);
4122 } // if creative_mode == false
4125 RemoteClient* Server::getClient(u16 peer_id)
4127 DSTACK(__FUNCTION_NAME);
4128 //JMutexAutoLock lock(m_con_mutex);
4129 core::map<u16, RemoteClient*>::Node *n;
4130 n = m_clients.find(peer_id);
4131 // A client should exist for all peers
4133 return n->getValue();
4136 std::wstring Server::getStatusString()
4138 std::wostringstream os(std::ios_base::binary);
4141 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4143 os<<L", uptime="<<m_uptime.get();
4144 // Information about clients
4146 for(core::map<u16, RemoteClient*>::Iterator
4147 i = m_clients.getIterator();
4148 i.atEnd() == false; i++)
4150 // Get client and check that it is valid
4151 RemoteClient *client = i.getNode()->getValue();
4152 assert(client->peer_id == i.getNode()->getKey());
4153 if(client->serialization_version == SER_FMT_VER_INVALID)
4156 Player *player = m_env.getPlayer(client->peer_id);
4157 // Get name of player
4158 std::wstring name = L"unknown";
4160 name = narrow_to_wide(player->getName());
4161 // Add name to information string
4165 if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == false)
4166 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4167 if(g_settings.get("motd") != "")
4168 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings.get("motd"));
4172 v3f findSpawnPos(ServerMap &map)
4174 //return v3f(50,50,50)*BS;
4177 s16 groundheight = 0;
4180 nodepos = v2s16(0,0);
4185 // Try to find a good place a few times
4186 for(s32 i=0; i<1000; i++)
4189 // We're going to try to throw the player to this position
4190 nodepos = v2s16(-range + (myrand()%(range*2)),
4191 -range + (myrand()%(range*2)));
4192 v2s16 sectorpos = getNodeSectorPos(nodepos);
4193 // Get sector (NOTE: Don't get because it's slow)
4194 //m_env.getMap().emergeSector(sectorpos);
4195 // Get ground height at point (fallbacks to heightmap function)
4196 groundheight = map.findGroundLevel(nodepos);
4197 // Don't go underwater
4198 if(groundheight < WATER_LEVEL)
4200 //dstream<<"-> Underwater"<<std::endl;
4203 // Don't go to high places
4204 if(groundheight > WATER_LEVEL + 4)
4206 //dstream<<"-> Underwater"<<std::endl;
4210 // Found a good place
4211 //dstream<<"Searched through "<<i<<" places."<<std::endl;
4216 // If no suitable place was not found, go above water at least.
4217 if(groundheight < WATER_LEVEL)
4218 groundheight = WATER_LEVEL;
4220 return intToFloat(v3s16(
4227 Player *Server::emergePlayer(const char *name, const char *password, u16 peer_id)
4230 Try to get an existing player
4232 Player *player = m_env.getPlayer(name);
4235 // If player is already connected, cancel
4236 if(player->peer_id != 0)
4238 dstream<<"emergePlayer(): Player already connected"<<std::endl;
4243 player->peer_id = peer_id;
4245 // Reset inventory to creative if in creative mode
4246 if(g_settings.getBool("creative_mode"))
4248 // Warning: double code below
4249 // Backup actual inventory
4250 player->inventory_backup = new Inventory();
4251 *(player->inventory_backup) = player->inventory;
4252 // Set creative inventory
4253 craft_set_creative_inventory(player);
4260 If player with the wanted peer_id already exists, cancel.
4262 if(m_env.getPlayer(peer_id) != NULL)
4264 dstream<<"emergePlayer(): Player with wrong name but same"
4265 " peer_id already exists"<<std::endl;
4273 player = new ServerRemotePlayer();
4274 //player->peer_id = c.peer_id;
4275 //player->peer_id = PEER_ID_INEXISTENT;
4276 player->peer_id = peer_id;
4277 player->updateName(name);
4278 m_authmanager.add(name);
4279 m_authmanager.setPassword(name, password);
4280 m_authmanager.setPrivs(name,
4281 stringToPrivs(g_settings.get("default_privs")));
4287 dstream<<"Server: Finding spawn place for player \""
4288 <<player->getName()<<"\""<<std::endl;
4290 v3f pos = findSpawnPos(m_env.getServerMap());
4292 player->setPosition(pos);
4295 Add player to environment
4298 m_env.addPlayer(player);
4301 Add stuff to inventory
4304 if(g_settings.getBool("creative_mode"))
4306 // Warning: double code above
4307 // Backup actual inventory
4308 player->inventory_backup = new Inventory();
4309 *(player->inventory_backup) = player->inventory;
4310 // Set creative inventory
4311 craft_set_creative_inventory(player);
4313 else if(g_settings.getBool("give_initial_stuff"))
4315 craft_give_initial_stuff(player);
4320 } // create new player
4323 void Server::handlePeerChange(PeerChange &c)
4325 JMutexAutoLock envlock(m_env_mutex);
4326 JMutexAutoLock conlock(m_con_mutex);
4328 if(c.type == PEER_ADDED)
4335 core::map<u16, RemoteClient*>::Node *n;
4336 n = m_clients.find(c.peer_id);
4337 // The client shouldn't already exist
4341 RemoteClient *client = new RemoteClient();
4342 client->peer_id = c.peer_id;
4343 m_clients.insert(client->peer_id, client);
4346 else if(c.type == PEER_REMOVED)
4353 core::map<u16, RemoteClient*>::Node *n;
4354 n = m_clients.find(c.peer_id);
4355 // The client should exist
4359 Mark objects to be not known by the client
4361 RemoteClient *client = n->getValue();
4363 for(core::map<u16, bool>::Iterator
4364 i = client->m_known_objects.getIterator();
4365 i.atEnd()==false; i++)
4368 u16 id = i.getNode()->getKey();
4369 ServerActiveObject* obj = m_env.getActiveObject(id);
4371 if(obj && obj->m_known_by_count > 0)
4372 obj->m_known_by_count--;
4375 // Collect information about leaving in chat
4376 std::wstring message;
4378 std::wstring name = L"unknown";
4379 Player *player = m_env.getPlayer(c.peer_id);
4381 name = narrow_to_wide(player->getName());
4385 message += L" left game";
4387 message += L" (timed out)";
4392 m_env.removePlayer(c.peer_id);
4395 // Set player client disconnected
4397 Player *player = m_env.getPlayer(c.peer_id);
4399 player->peer_id = 0;
4403 delete m_clients[c.peer_id];
4404 m_clients.remove(c.peer_id);
4406 // Send player info to all remaining clients
4409 // Send leave chat message to all remaining clients
4410 BroadcastChatMessage(message);
4419 void Server::handlePeerChanges()
4421 while(m_peer_change_queue.size() > 0)
4423 PeerChange c = m_peer_change_queue.pop_front();
4425 dout_server<<"Server: Handling peer change: "
4426 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4429 handlePeerChange(c);
4433 u64 Server::getPlayerPrivs(Player *player)
4437 std::string playername = player->getName();
4438 // Local player gets all privileges regardless of
4439 // what's set on their account.
4440 if(g_settings.get("name") == playername)
4446 return getPlayerAuthPrivs(playername);
4450 void dedicated_server_loop(Server &server, bool &kill)
4452 DSTACK(__FUNCTION_NAME);
4454 dstream<<DTIME<<std::endl;
4455 dstream<<"========================"<<std::endl;
4456 dstream<<"Running dedicated server"<<std::endl;
4457 dstream<<"========================"<<std::endl;
4460 IntervalLimiter m_profiler_interval;
4464 // This is kind of a hack but can be done like this
4465 // because server.step() is very light
4467 ScopeProfiler sp(&g_profiler, "dedicated server sleep");
4472 if(server.getShutdownRequested() || kill)
4474 dstream<<DTIME<<" dedicated_server_loop(): Quitting."<<std::endl;
4481 float profiler_print_interval =
4482 g_settings.getFloat("profiler_print_interval");
4483 if(profiler_print_interval != 0)
4485 if(m_profiler_interval.step(0.030, profiler_print_interval))
4487 dstream<<"Profiler:"<<std::endl;
4488 g_profiler.print(dstream);
4496 static int counter = 0;
4502 core::list<PlayerInfo> list = server.getPlayerInfo();
4503 core::list<PlayerInfo>::Iterator i;
4504 static u32 sum_old = 0;
4505 u32 sum = PIChecksum(list);
4508 dstream<<DTIME<<"Player info:"<<std::endl;
4509 for(i=list.begin(); i!=list.end(); i++)
4511 i->PrintLine(&dstream);