3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "clientserver.h"
25 #include "jmutexautolock.h"
27 #include "constants.h"
29 #include "materials.h"
32 #include "servercommand.h"
34 #include "content_mapnode.h"
35 #include "content_craft.h"
36 #include "content_nodemeta.h"
38 #include "serverobject.h"
40 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
42 class MapEditEventIgnorer
45 MapEditEventIgnorer(bool *flag):
54 ~MapEditEventIgnorer()
67 void * ServerThread::Thread()
71 DSTACK(__FUNCTION_NAME);
73 BEGIN_DEBUG_EXCEPTION_HANDLER
78 //TimeTaker timer("AsyncRunStep() + Receive()");
81 //TimeTaker timer("AsyncRunStep()");
82 m_server->AsyncRunStep();
85 //dout_server<<"Running m_server->Receive()"<<std::endl;
88 catch(con::NoIncomingDataException &e)
91 catch(con::PeerNotFoundException &e)
93 dout_server<<"Server: PeerNotFoundException"<<std::endl;
97 END_DEBUG_EXCEPTION_HANDLER
102 void * EmergeThread::Thread()
106 DSTACK(__FUNCTION_NAME);
108 BEGIN_DEBUG_EXCEPTION_HANDLER
110 bool enable_mapgen_debug_info = g_settings.getBool("enable_mapgen_debug_info");
113 Get block info from queue, emerge them and send them
116 After queue is empty, exit.
120 QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
124 SharedPtr<QueuedBlockEmerge> q(qptr);
130 Do not generate over-limit
132 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
133 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
134 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
135 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
136 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
137 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
140 //derr_server<<"EmergeThread::Thread(): running"<<std::endl;
142 //TimeTaker timer("block emerge");
145 Try to emerge it from somewhere.
147 If it is only wanted as optional, only loading from disk
152 Check if any peer wants it as non-optional. In that case it
155 Also decrement the emerge queue count in clients.
158 bool only_from_disk = true;
161 core::map<u16, u8>::Iterator i;
162 for(i=q->peer_ids.getIterator(); i.atEnd()==false; i++)
164 //u16 peer_id = i.getNode()->getKey();
167 u8 flags = i.getNode()->getValue();
168 if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
169 only_from_disk = false;
174 if(enable_mapgen_debug_info)
175 dstream<<"EmergeThread: p="
176 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
177 <<"only_from_disk="<<only_from_disk<<std::endl;
179 ServerMap &map = ((ServerMap&)m_server->m_env.getMap());
181 //core::map<v3s16, MapBlock*> changed_blocks;
182 //core::map<v3s16, MapBlock*> lighting_invalidated_blocks;
184 MapBlock *block = NULL;
185 bool got_block = true;
186 core::map<v3s16, MapBlock*> modified_blocks;
189 Fetch block from map or generate a single block
192 JMutexAutoLock envlock(m_server->m_env_mutex);
194 // Load sector if it isn't loaded
195 if(map.getSectorNoGenerateNoEx(p2d) == NULL)
196 //map.loadSectorFull(p2d);
197 map.loadSectorMeta(p2d);
199 block = map.getBlockNoCreateNoEx(p);
200 if(!block || block->isDummy() || !block->isGenerated())
202 if(enable_mapgen_debug_info)
203 dstream<<"EmergeThread: not in memory, loading"<<std::endl;
205 // Get, load or create sector
206 /*ServerMapSector *sector =
207 (ServerMapSector*)map.createSector(p2d);*/
209 // Load/generate block
211 /*block = map.emergeBlock(p, sector, changed_blocks,
212 lighting_invalidated_blocks);*/
214 block = map.loadBlock(p);
216 if(only_from_disk == false)
218 if(block == NULL || block->isGenerated() == false)
220 if(enable_mapgen_debug_info)
221 dstream<<"EmergeThread: generating"<<std::endl;
222 block = map.generateBlock(p, modified_blocks);
226 if(enable_mapgen_debug_info)
227 dstream<<"EmergeThread: ended up with: "
228 <<analyze_block(block)<<std::endl;
237 Ignore map edit events, they will not need to be
238 sent to anybody because the block hasn't been sent
241 MapEditEventIgnorer ign(&m_server->m_ignore_map_edit_events);
243 // Activate objects and stuff
244 m_server->m_env.activateBlock(block, 3600);
249 /*if(block->getLightingExpired()){
250 lighting_invalidated_blocks[block->getPos()] = block;
254 // TODO: Some additional checking and lighting updating,
259 JMutexAutoLock envlock(m_server->m_env_mutex);
264 Collect a list of blocks that have been modified in
265 addition to the fetched one.
269 if(lighting_invalidated_blocks.size() > 0)
271 /*dstream<<"lighting "<<lighting_invalidated_blocks.size()
272 <<" blocks"<<std::endl;*/
274 // 50-100ms for single block generation
275 //TimeTaker timer("** EmergeThread updateLighting");
277 // Update lighting without locking the environment mutex,
278 // add modified blocks to changed blocks
279 map.updateLighting(lighting_invalidated_blocks, modified_blocks);
282 // Add all from changed_blocks to modified_blocks
283 for(core::map<v3s16, MapBlock*>::Iterator i = changed_blocks.getIterator();
284 i.atEnd() == false; i++)
286 MapBlock *block = i.getNode()->getValue();
287 modified_blocks.insert(block->getPos(), block);
291 // If we got no block, there should be no invalidated blocks
294 //assert(lighting_invalidated_blocks.size() == 0);
300 Set sent status of modified blocks on clients
303 // NOTE: Server's clients are also behind the connection mutex
304 JMutexAutoLock lock(m_server->m_con_mutex);
307 Add the originally fetched block to the modified list
311 modified_blocks.insert(p, block);
315 Set the modified blocks unsent for all the clients
318 for(core::map<u16, RemoteClient*>::Iterator
319 i = m_server->m_clients.getIterator();
320 i.atEnd() == false; i++)
322 RemoteClient *client = i.getNode()->getValue();
324 if(modified_blocks.size() > 0)
326 // Remove block from sent history
327 client->SetBlocksNotSent(modified_blocks);
333 END_DEBUG_EXCEPTION_HANDLER
338 void RemoteClient::GetNextBlocks(Server *server, float dtime,
339 core::array<PrioritySortedBlockTransfer> &dest)
341 DSTACK(__FUNCTION_NAME);
344 TimeTaker timer("RemoteClient::GetNextBlocks", &timer_result);*/
347 m_nothing_to_send_pause_timer -= dtime;
349 if(m_nothing_to_send_pause_timer >= 0)
352 m_nearest_unsent_reset_timer = 0;
356 // Won't send anything if already sending
357 if(m_blocks_sending.size() >= g_settings.getU16
358 ("max_simultaneous_block_sends_per_client"))
360 //dstream<<"Not sending any blocks, Queue full."<<std::endl;
364 //TimeTaker timer("RemoteClient::GetNextBlocks");
366 Player *player = server->m_env.getPlayer(peer_id);
368 assert(player != NULL);
370 v3f playerpos = player->getPosition();
371 v3f playerspeed = player->getSpeed();
372 v3f playerspeeddir(0,0,0);
373 if(playerspeed.getLength() > 1.0*BS)
374 playerspeeddir = playerspeed / playerspeed.getLength();
375 // Predict to next block
376 v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
378 v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
380 v3s16 center = getNodeBlockPos(center_nodepos);
382 // Camera position and direction
383 v3f camera_pos = player->getEyePosition();
384 v3f camera_dir = v3f(0,0,1);
385 camera_dir.rotateYZBy(player->getPitch());
386 camera_dir.rotateXZBy(player->getYaw());
388 /*dstream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
389 <<camera_dir.Z<<")"<<std::endl;*/
392 Get the starting value of the block finder radius.
395 if(m_last_center != center)
397 m_nearest_unsent_d = 0;
398 m_last_center = center;
401 /*dstream<<"m_nearest_unsent_reset_timer="
402 <<m_nearest_unsent_reset_timer<<std::endl;*/
404 // This has to be incremented only when the nothing to send pause
406 m_nearest_unsent_reset_timer += dtime;
408 // Reset periodically to avoid possible bugs or other mishaps
409 if(m_nearest_unsent_reset_timer > 10.0)
411 m_nearest_unsent_reset_timer = 0;
412 m_nearest_unsent_d = 0;
413 /*dstream<<"Resetting m_nearest_unsent_d for "
414 <<server->getPlayerName(peer_id)<<std::endl;*/
417 //s16 last_nearest_unsent_d = m_nearest_unsent_d;
418 s16 d_start = m_nearest_unsent_d;
420 //dstream<<"d_start="<<d_start<<std::endl;
422 u16 max_simul_sends_setting = g_settings.getU16
423 ("max_simultaneous_block_sends_per_client");
424 u16 max_simul_sends_usually = max_simul_sends_setting;
427 Check the time from last addNode/removeNode.
429 Decrease send rate if player is building stuff.
431 m_time_from_building += dtime;
432 if(m_time_from_building < g_settings.getFloat(
433 "full_block_send_enable_min_time_from_building"))
435 max_simul_sends_usually
436 = LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
440 Number of blocks sending + number of blocks selected for sending
442 u32 num_blocks_selected = m_blocks_sending.size();
445 next time d will be continued from the d from which the nearest
446 unsent block was found this time.
448 This is because not necessarily any of the blocks found this
449 time are actually sent.
451 s32 new_nearest_unsent_d = -1;
453 s16 d_max = g_settings.getS16("max_block_send_distance");
454 s16 d_max_gen = g_settings.getS16("max_block_generate_distance");
456 // Don't loop very much at a time
457 if(d_max > d_start+1)
459 /*if(d_max_gen > d_start+2)
460 d_max_gen = d_start+2;*/
462 //dstream<<"Starting from "<<d_start<<std::endl;
464 bool sending_something = false;
466 bool no_blocks_found_for_sending = true;
468 bool queue_is_full = false;
471 for(d = d_start; d <= d_max; d++)
473 //dstream<<"RemoteClient::SendBlocks(): d="<<d<<std::endl;
476 If m_nearest_unsent_d was changed by the EmergeThread
477 (it can change it to 0 through SetBlockNotSent),
479 Else update m_nearest_unsent_d
481 /*if(m_nearest_unsent_d != last_nearest_unsent_d)
483 d = m_nearest_unsent_d;
484 last_nearest_unsent_d = m_nearest_unsent_d;
488 Get the border/face dot coordinates of a "d-radiused"
491 core::list<v3s16> list;
492 getFacePositions(list, d);
494 core::list<v3s16>::Iterator li;
495 for(li=list.begin(); li!=list.end(); li++)
497 v3s16 p = *li + center;
501 - Don't allow too many simultaneous transfers
502 - EXCEPT when the blocks are very close
504 Also, don't send blocks that are already flying.
507 // Start with the usual maximum
508 u16 max_simul_dynamic = max_simul_sends_usually;
510 // If block is very close, allow full maximum
511 if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
512 max_simul_dynamic = max_simul_sends_setting;
514 // Don't select too many blocks for sending
515 if(num_blocks_selected >= max_simul_dynamic)
517 queue_is_full = true;
518 goto queue_full_break;
521 // Don't send blocks that are currently being transferred
522 if(m_blocks_sending.find(p) != NULL)
528 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
529 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
530 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
531 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
532 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
533 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
536 // If this is true, inexistent block will be made from scratch
537 bool generate = d <= d_max_gen;
540 /*// Limit the generating area vertically to 2/3
541 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
544 // Limit the send area vertically to 2/3
545 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
551 If block is far away, don't generate it unless it is
557 // Block center y in nodes
558 f32 y = (f32)(p.Y * MAP_BLOCKSIZE + MAP_BLOCKSIZE/2);
559 // Don't generate if it's very high or very low
560 if(y < -64 || y > 64)
564 v2s16 p2d_nodes_center(
568 // Get ground height in nodes
569 s16 gh = server->m_env.getServerMap().findGroundLevel(
572 // If differs a lot, don't generate
573 if(fabs(gh - y) > MAP_BLOCKSIZE*2)
575 // Actually, don't even send it
581 //dstream<<"d="<<d<<std::endl;
584 Don't generate or send if not in sight
587 if(isBlockInSight(p, camera_pos, camera_dir, 10000*BS) == false)
593 Don't send already sent blocks
596 if(m_blocks_sent.find(p) != NULL)
603 Check if map has this block
605 MapBlock *block = server->m_env.getMap().getBlockNoCreateNoEx(p);
607 bool surely_not_found_on_disk = false;
608 bool block_is_invalid = false;
611 // Reset usage timer, this block will be of use in the future.
612 block->resetUsageTimer();
614 // Block is dummy if data doesn't exist.
615 // It means it has been not found from disk and not generated
618 surely_not_found_on_disk = true;
621 // Block is valid if lighting is up-to-date and data exists
622 if(block->isValid() == false)
624 block_is_invalid = true;
627 /*if(block->isFullyGenerated() == false)
629 block_is_invalid = true;
634 ServerMap *map = (ServerMap*)(&server->m_env.getMap());
635 v2s16 chunkpos = map->sector_to_chunk(p2d);
636 if(map->chunkNonVolatile(chunkpos) == false)
637 block_is_invalid = true;
639 if(block->isGenerated() == false)
640 block_is_invalid = true;
643 If block is not close, don't send it unless it is near
646 Block is near ground level if night-time mesh
647 differs from day-time mesh.
651 if(block->dayNightDiffed() == false)
658 If block has been marked to not exist on disk (dummy)
659 and generating new ones is not wanted, skip block.
661 if(generate == false && surely_not_found_on_disk == true)
668 Record the lowest d from which a block has been
669 found being not sent and possibly to exist
671 if(no_blocks_found_for_sending)
674 new_nearest_unsent_d = d;
677 no_blocks_found_for_sending = false;
680 Add inexistent block to emerge queue.
682 if(block == NULL || surely_not_found_on_disk || block_is_invalid)
684 //TODO: Get value from somewhere
685 // Allow only one block in emerge queue
686 //if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
687 // Allow two blocks in queue per client
688 if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
690 //dstream<<"Adding block to emerge queue"<<std::endl;
692 // Add it to the emerge queue and trigger the thread
695 if(generate == false)
696 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
698 server->m_emerge_queue.addBlock(peer_id, p, flags);
699 server->m_emergethread.trigger();
707 Add block to send queue
710 PrioritySortedBlockTransfer q((float)d, p, peer_id);
714 num_blocks_selected += 1;
715 sending_something = true;
720 //dstream<<"Stopped at "<<d<<std::endl;
722 if(no_blocks_found_for_sending)
724 if(queue_is_full == false)
725 new_nearest_unsent_d = d;
728 if(new_nearest_unsent_d != -1)
729 m_nearest_unsent_d = new_nearest_unsent_d;
731 if(sending_something == false)
733 m_nothing_to_send_counter++;
734 if((s16)m_nothing_to_send_counter >=
735 g_settings.getS16("max_block_send_distance"))
737 // Pause time in seconds
738 m_nothing_to_send_pause_timer = 1.0;
739 /*dstream<<"nothing to send to "
740 <<server->getPlayerName(peer_id)
741 <<" (d="<<d<<")"<<std::endl;*/
746 m_nothing_to_send_counter = 0;
749 /*timer_result = timer.stop(true);
750 if(timer_result != 0)
751 dstream<<"GetNextBlocks duration: "<<timer_result<<" (!=0)"<<std::endl;*/
754 void RemoteClient::SendObjectData(
757 core::map<v3s16, bool> &stepped_blocks
760 DSTACK(__FUNCTION_NAME);
762 // Can't send anything without knowing version
763 if(serialization_version == SER_FMT_VER_INVALID)
765 dstream<<"RemoteClient::SendObjectData(): Not sending, no version."
771 Send a TOCLIENT_OBJECTDATA packet.
775 u16 number of player positions
787 std::ostringstream os(std::ios_base::binary);
791 writeU16(buf, TOCLIENT_OBJECTDATA);
792 os.write((char*)buf, 2);
795 Get and write player data
798 // Get connected players
799 core::list<Player*> players = server->m_env.getPlayers(true);
801 // Write player count
802 u16 playercount = players.size();
803 writeU16(buf, playercount);
804 os.write((char*)buf, 2);
806 core::list<Player*>::Iterator i;
807 for(i = players.begin();
808 i != players.end(); i++)
812 v3f pf = player->getPosition();
813 v3f sf = player->getSpeed();
815 v3s32 position_i(pf.X*100, pf.Y*100, pf.Z*100);
816 v3s32 speed_i (sf.X*100, sf.Y*100, sf.Z*100);
817 s32 pitch_i (player->getPitch() * 100);
818 s32 yaw_i (player->getYaw() * 100);
820 writeU16(buf, player->peer_id);
821 os.write((char*)buf, 2);
822 writeV3S32(buf, position_i);
823 os.write((char*)buf, 12);
824 writeV3S32(buf, speed_i);
825 os.write((char*)buf, 12);
826 writeS32(buf, pitch_i);
827 os.write((char*)buf, 4);
828 writeS32(buf, yaw_i);
829 os.write((char*)buf, 4);
833 Get and write object data
839 For making players to be able to build to their nearby
840 environment (building is not possible on blocks that are not
843 - Add blocks to emerge queue if they are not found
845 SUGGESTION: These could be ignored from the backside of the player
848 Player *player = server->m_env.getPlayer(peer_id);
852 v3f playerpos = player->getPosition();
853 v3f playerspeed = player->getSpeed();
855 v3s16 center_nodepos = floatToInt(playerpos, BS);
856 v3s16 center = getNodeBlockPos(center_nodepos);
858 s16 d_max = g_settings.getS16("active_object_range");
860 // Number of blocks whose objects were written to bos
863 std::ostringstream bos(std::ios_base::binary);
865 for(s16 d = 0; d <= d_max; d++)
867 core::list<v3s16> list;
868 getFacePositions(list, d);
870 core::list<v3s16>::Iterator li;
871 for(li=list.begin(); li!=list.end(); li++)
873 v3s16 p = *li + center;
876 Ignore blocks that haven't been sent to the client
879 if(m_blocks_sent.find(p) == NULL)
883 // Try stepping block and add it to a send queue
888 MapBlock *block = server->m_env.getMap().getBlockNoCreate(p);
891 Step block if not in stepped_blocks and add to stepped_blocks.
893 if(stepped_blocks.find(p) == NULL)
895 block->stepObjects(dtime, true, server->m_env.getDayNightRatio());
896 stepped_blocks.insert(p, true);
897 block->setChangedFlag();
900 // Skip block if there are no objects
901 if(block->getObjectCount() == 0)
910 bos.write((char*)buf, 6);
913 //block->serializeObjects(bos, serialization_version); // DEPRECATED
920 Stop collecting objects if data is already too big
922 // Sum of player and object data sizes
923 s32 sum = (s32)os.tellp() + 2 + (s32)bos.tellp();
924 // break out if data too big
925 if(sum > MAX_OBJECTDATA_SIZE)
927 goto skip_subsequent;
931 catch(InvalidPositionException &e)
934 // Add it to the emerge queue and trigger the thread.
935 // Fetch the block only if it is on disk.
937 // Grab and increment counter
938 /*SharedPtr<JMutexAutoLock> lock
939 (m_num_blocks_in_emerge_queue.getLock());
940 m_num_blocks_in_emerge_queue.m_value++;*/
942 // Add to queue as an anonymous fetch from disk
943 u8 flags = BLOCK_EMERGE_FLAG_FROMDISK;
944 server->m_emerge_queue.addBlock(0, p, flags);
945 server->m_emergethread.trigger();
953 writeU16(buf, blockcount);
954 os.write((char*)buf, 2);
956 // Write block objects
963 //dstream<<"Server: Sending object data to "<<peer_id<<std::endl;
966 std::string s = os.str();
967 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
968 // Send as unreliable
969 server->m_con.Send(peer_id, 0, data, false);
972 void RemoteClient::GotBlock(v3s16 p)
974 if(m_blocks_sending.find(p) != NULL)
975 m_blocks_sending.remove(p);
978 /*dstream<<"RemoteClient::GotBlock(): Didn't find in"
979 " m_blocks_sending"<<std::endl;*/
980 m_excess_gotblocks++;
982 m_blocks_sent.insert(p, true);
985 void RemoteClient::SentBlock(v3s16 p)
987 if(m_blocks_sending.find(p) == NULL)
988 m_blocks_sending.insert(p, 0.0);
990 dstream<<"RemoteClient::SentBlock(): Sent block"
991 " already in m_blocks_sending"<<std::endl;
994 void RemoteClient::SetBlockNotSent(v3s16 p)
996 m_nearest_unsent_d = 0;
998 if(m_blocks_sending.find(p) != NULL)
999 m_blocks_sending.remove(p);
1000 if(m_blocks_sent.find(p) != NULL)
1001 m_blocks_sent.remove(p);
1004 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
1006 m_nearest_unsent_d = 0;
1008 for(core::map<v3s16, MapBlock*>::Iterator
1009 i = blocks.getIterator();
1010 i.atEnd()==false; i++)
1012 v3s16 p = i.getNode()->getKey();
1014 if(m_blocks_sending.find(p) != NULL)
1015 m_blocks_sending.remove(p);
1016 if(m_blocks_sent.find(p) != NULL)
1017 m_blocks_sent.remove(p);
1025 PlayerInfo::PlayerInfo()
1031 void PlayerInfo::PrintLine(std::ostream *s)
1034 (*s)<<"\""<<name<<"\" ("
1035 <<(position.X/10)<<","<<(position.Y/10)
1036 <<","<<(position.Z/10)<<") ";
1038 (*s)<<" avg_rtt="<<avg_rtt;
1042 u32 PIChecksum(core::list<PlayerInfo> &l)
1044 core::list<PlayerInfo>::Iterator i;
1047 for(i=l.begin(); i!=l.end(); i++)
1049 checksum += a * (i->id+1);
1050 checksum ^= 0x435aafcd;
1061 std::string mapsavedir,
1062 std::string configpath
1064 m_env(new ServerMap(mapsavedir), this),
1065 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
1066 m_authmanager(mapsavedir+"/auth.txt"),
1067 m_banmanager(mapsavedir+"/ipban.txt"),
1069 m_emergethread(this),
1071 m_time_of_day_send_timer(0),
1073 m_mapsavedir(mapsavedir),
1074 m_configpath(configpath),
1075 m_shutdown_requested(false),
1076 m_ignore_map_edit_events(false),
1077 m_ignore_map_edit_events_peer_id(0)
1079 m_liquid_transform_timer = 0.0;
1080 m_print_info_timer = 0.0;
1081 m_objectdata_timer = 0.0;
1082 m_emergethread_trigger_timer = 0.0;
1083 m_savemap_timer = 0.0;
1087 m_step_dtime_mutex.Init();
1090 // Register us to receive map edit events
1091 m_env.getMap().addEventReceiver(this);
1093 // If file exists, load environment metadata
1094 if(fs::PathExists(m_mapsavedir+"/env_meta.txt"))
1096 dstream<<"Server: Loading environment metadata"<<std::endl;
1097 m_env.loadMeta(m_mapsavedir);
1101 dstream<<"Server: Loading players"<<std::endl;
1102 m_env.deSerializePlayers(m_mapsavedir);
1107 dstream<<"Server::~Server()"<<std::endl;
1110 Send shutdown message
1113 JMutexAutoLock conlock(m_con_mutex);
1115 std::wstring line = L"*** Server shutting down";
1118 Send the message to clients
1120 for(core::map<u16, RemoteClient*>::Iterator
1121 i = m_clients.getIterator();
1122 i.atEnd() == false; i++)
1124 // Get client and check that it is valid
1125 RemoteClient *client = i.getNode()->getValue();
1126 assert(client->peer_id == i.getNode()->getKey());
1127 if(client->serialization_version == SER_FMT_VER_INVALID)
1131 SendChatMessage(client->peer_id, line);
1133 catch(con::PeerNotFoundException &e)
1141 dstream<<"Server: Saving players"<<std::endl;
1142 m_env.serializePlayers(m_mapsavedir);
1145 Save environment metadata
1147 dstream<<"Server: Saving environment metadata"<<std::endl;
1148 m_env.saveMeta(m_mapsavedir);
1159 JMutexAutoLock clientslock(m_con_mutex);
1161 for(core::map<u16, RemoteClient*>::Iterator
1162 i = m_clients.getIterator();
1163 i.atEnd() == false; i++)
1166 // NOTE: These are removed by env destructor
1168 u16 peer_id = i.getNode()->getKey();
1169 JMutexAutoLock envlock(m_env_mutex);
1170 m_env.removePlayer(peer_id);
1174 delete i.getNode()->getValue();
1179 void Server::start(unsigned short port)
1181 DSTACK(__FUNCTION_NAME);
1182 // Stop thread if already running
1185 // Initialize connection
1186 m_con.setTimeoutMs(30);
1190 m_thread.setRun(true);
1193 dout_server<<"Server: Started on port "<<port<<std::endl;
1198 DSTACK(__FUNCTION_NAME);
1200 // Stop threads (set run=false first so both start stopping)
1201 m_thread.setRun(false);
1202 m_emergethread.setRun(false);
1204 m_emergethread.stop();
1206 dout_server<<"Server: Threads stopped"<<std::endl;
1209 void Server::step(float dtime)
1211 DSTACK(__FUNCTION_NAME);
1216 JMutexAutoLock lock(m_step_dtime_mutex);
1217 m_step_dtime += dtime;
1221 void Server::AsyncRunStep()
1223 DSTACK(__FUNCTION_NAME);
1227 JMutexAutoLock lock1(m_step_dtime_mutex);
1228 dtime = m_step_dtime;
1232 ScopeProfiler sp(&g_profiler, "Server: selecting and sending "
1233 "blocks to clients");
1234 // Send blocks to clients
1241 //dstream<<"Server steps "<<dtime<<std::endl;
1242 //dstream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1245 JMutexAutoLock lock1(m_step_dtime_mutex);
1246 m_step_dtime -= dtime;
1253 m_uptime.set(m_uptime.get() + dtime);
1257 // Process connection's timeouts
1258 JMutexAutoLock lock2(m_con_mutex);
1259 ScopeProfiler sp(&g_profiler, "Server: connection timeout processing");
1260 m_con.RunTimeouts(dtime);
1264 // This has to be called so that the client list gets synced
1265 // with the peer list of the connection
1266 ScopeProfiler sp(&g_profiler, "Server: peer change handling");
1267 handlePeerChanges();
1271 Update m_time_of_day and overall game time
1274 JMutexAutoLock envlock(m_env_mutex);
1276 m_time_counter += dtime;
1277 f32 speed = g_settings.getFloat("time_speed") * 24000./(24.*3600);
1278 u32 units = (u32)(m_time_counter*speed);
1279 m_time_counter -= (f32)units / speed;
1281 m_env.setTimeOfDay((m_env.getTimeOfDay() + units) % 24000);
1283 //dstream<<"Server: m_time_of_day = "<<m_time_of_day.get()<<std::endl;
1286 Send to clients at constant intervals
1289 m_time_of_day_send_timer -= dtime;
1290 if(m_time_of_day_send_timer < 0.0)
1292 m_time_of_day_send_timer = g_settings.getFloat("time_send_interval");
1294 //JMutexAutoLock envlock(m_env_mutex);
1295 JMutexAutoLock conlock(m_con_mutex);
1297 for(core::map<u16, RemoteClient*>::Iterator
1298 i = m_clients.getIterator();
1299 i.atEnd() == false; i++)
1301 RemoteClient *client = i.getNode()->getValue();
1302 //Player *player = m_env.getPlayer(client->peer_id);
1304 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1305 m_env.getTimeOfDay());
1307 m_con.Send(client->peer_id, 0, data, true);
1313 JMutexAutoLock lock(m_env_mutex);
1315 ScopeProfiler sp(&g_profiler, "Server: environment step");
1319 const float map_timer_and_unload_dtime = 5.15;
1320 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
1322 JMutexAutoLock lock(m_env_mutex);
1323 // Run Map's timers and unload unused data
1324 ScopeProfiler sp(&g_profiler, "Server: map timer and unload");
1325 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
1326 g_settings.getFloat("server_unload_unused_data_timeout"));
1336 m_liquid_transform_timer += dtime;
1337 if(m_liquid_transform_timer >= 1.00)
1339 m_liquid_transform_timer -= 1.00;
1341 JMutexAutoLock lock(m_env_mutex);
1343 ScopeProfiler sp(&g_profiler, "Server: liquid transform");
1345 core::map<v3s16, MapBlock*> modified_blocks;
1346 m_env.getMap().transformLiquids(modified_blocks);
1351 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1352 ServerMap &map = ((ServerMap&)m_env.getMap());
1353 map.updateLighting(modified_blocks, lighting_modified_blocks);
1355 // Add blocks modified by lighting to modified_blocks
1356 for(core::map<v3s16, MapBlock*>::Iterator
1357 i = lighting_modified_blocks.getIterator();
1358 i.atEnd() == false; i++)
1360 MapBlock *block = i.getNode()->getValue();
1361 modified_blocks.insert(block->getPos(), block);
1365 Set the modified blocks unsent for all the clients
1368 JMutexAutoLock lock2(m_con_mutex);
1370 for(core::map<u16, RemoteClient*>::Iterator
1371 i = m_clients.getIterator();
1372 i.atEnd() == false; i++)
1374 RemoteClient *client = i.getNode()->getValue();
1376 if(modified_blocks.size() > 0)
1378 // Remove block from sent history
1379 client->SetBlocksNotSent(modified_blocks);
1384 // Periodically print some info
1386 float &counter = m_print_info_timer;
1392 JMutexAutoLock lock2(m_con_mutex);
1394 for(core::map<u16, RemoteClient*>::Iterator
1395 i = m_clients.getIterator();
1396 i.atEnd() == false; i++)
1398 //u16 peer_id = i.getNode()->getKey();
1399 RemoteClient *client = i.getNode()->getValue();
1400 Player *player = m_env.getPlayer(client->peer_id);
1403 std::cout<<player->getName()<<"\t";
1404 client->PrintInfo(std::cout);
1409 //if(g_settings.getBool("enable_experimental"))
1413 Check added and deleted active objects
1416 //dstream<<"Server: Checking added and deleted active objects"<<std::endl;
1417 JMutexAutoLock envlock(m_env_mutex);
1418 JMutexAutoLock conlock(m_con_mutex);
1420 ScopeProfiler sp(&g_profiler, "Server: checking added and deleted objects");
1422 // Radius inside which objects are active
1425 for(core::map<u16, RemoteClient*>::Iterator
1426 i = m_clients.getIterator();
1427 i.atEnd() == false; i++)
1429 RemoteClient *client = i.getNode()->getValue();
1430 Player *player = m_env.getPlayer(client->peer_id);
1433 // This can happen if the client timeouts somehow
1434 /*dstream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
1436 <<" has no associated player"<<std::endl;*/
1439 v3s16 pos = floatToInt(player->getPosition(), BS);
1441 core::map<u16, bool> removed_objects;
1442 core::map<u16, bool> added_objects;
1443 m_env.getRemovedActiveObjects(pos, radius,
1444 client->m_known_objects, removed_objects);
1445 m_env.getAddedActiveObjects(pos, radius,
1446 client->m_known_objects, added_objects);
1448 // Ignore if nothing happened
1449 if(removed_objects.size() == 0 && added_objects.size() == 0)
1451 //dstream<<"INFO: active objects: none changed"<<std::endl;
1455 std::string data_buffer;
1459 // Handle removed objects
1460 writeU16((u8*)buf, removed_objects.size());
1461 data_buffer.append(buf, 2);
1462 for(core::map<u16, bool>::Iterator
1463 i = removed_objects.getIterator();
1464 i.atEnd()==false; i++)
1467 u16 id = i.getNode()->getKey();
1468 ServerActiveObject* obj = m_env.getActiveObject(id);
1470 // Add to data buffer for sending
1471 writeU16((u8*)buf, i.getNode()->getKey());
1472 data_buffer.append(buf, 2);
1474 // Remove from known objects
1475 client->m_known_objects.remove(i.getNode()->getKey());
1477 if(obj && obj->m_known_by_count > 0)
1478 obj->m_known_by_count--;
1481 // Handle added objects
1482 writeU16((u8*)buf, added_objects.size());
1483 data_buffer.append(buf, 2);
1484 for(core::map<u16, bool>::Iterator
1485 i = added_objects.getIterator();
1486 i.atEnd()==false; i++)
1489 u16 id = i.getNode()->getKey();
1490 ServerActiveObject* obj = m_env.getActiveObject(id);
1493 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1495 dstream<<"WARNING: "<<__FUNCTION_NAME
1496 <<": NULL object"<<std::endl;
1498 type = obj->getType();
1500 // Add to data buffer for sending
1501 writeU16((u8*)buf, id);
1502 data_buffer.append(buf, 2);
1503 writeU8((u8*)buf, type);
1504 data_buffer.append(buf, 1);
1507 data_buffer.append(serializeLongString(
1508 obj->getClientInitializationData()));
1510 data_buffer.append(serializeLongString(""));
1512 // Add to known objects
1513 client->m_known_objects.insert(i.getNode()->getKey(), false);
1516 obj->m_known_by_count++;
1520 SharedBuffer<u8> reply(2 + data_buffer.size());
1521 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1522 memcpy((char*)&reply[2], data_buffer.c_str(),
1523 data_buffer.size());
1525 m_con.Send(client->peer_id, 0, reply, true);
1527 dstream<<"INFO: Server: Sent object remove/add: "
1528 <<removed_objects.size()<<" removed, "
1529 <<added_objects.size()<<" added, "
1530 <<"packet size is "<<reply.getSize()<<std::endl;
1535 Collect a list of all the objects known by the clients
1536 and report it back to the environment.
1539 core::map<u16, bool> all_known_objects;
1541 for(core::map<u16, RemoteClient*>::Iterator
1542 i = m_clients.getIterator();
1543 i.atEnd() == false; i++)
1545 RemoteClient *client = i.getNode()->getValue();
1546 // Go through all known objects of client
1547 for(core::map<u16, bool>::Iterator
1548 i = client->m_known_objects.getIterator();
1549 i.atEnd()==false; i++)
1551 u16 id = i.getNode()->getKey();
1552 all_known_objects[id] = true;
1556 m_env.setKnownActiveObjects(whatever);
1562 Send object messages
1565 JMutexAutoLock envlock(m_env_mutex);
1566 JMutexAutoLock conlock(m_con_mutex);
1568 ScopeProfiler sp(&g_profiler, "Server: sending object messages");
1571 // Value = data sent by object
1572 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1574 // Get active object messages from environment
1577 ActiveObjectMessage aom = m_env.getActiveObjectMessage();
1581 core::list<ActiveObjectMessage>* message_list = NULL;
1582 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1583 n = buffered_messages.find(aom.id);
1586 message_list = new core::list<ActiveObjectMessage>;
1587 buffered_messages.insert(aom.id, message_list);
1591 message_list = n->getValue();
1593 message_list->push_back(aom);
1596 // Route data to every client
1597 for(core::map<u16, RemoteClient*>::Iterator
1598 i = m_clients.getIterator();
1599 i.atEnd()==false; i++)
1601 RemoteClient *client = i.getNode()->getValue();
1602 std::string reliable_data;
1603 std::string unreliable_data;
1604 // Go through all objects in message buffer
1605 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1606 j = buffered_messages.getIterator();
1607 j.atEnd()==false; j++)
1609 // If object is not known by client, skip it
1610 u16 id = j.getNode()->getKey();
1611 if(client->m_known_objects.find(id) == NULL)
1613 // Get message list of object
1614 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1615 // Go through every message
1616 for(core::list<ActiveObjectMessage>::Iterator
1617 k = list->begin(); k != list->end(); k++)
1619 // Compose the full new data with header
1620 ActiveObjectMessage aom = *k;
1621 std::string new_data;
1624 writeU16((u8*)&buf[0], aom.id);
1625 new_data.append(buf, 2);
1627 new_data += serializeString(aom.datastring);
1628 // Add data to buffer
1630 reliable_data += new_data;
1632 unreliable_data += new_data;
1636 reliable_data and unreliable_data are now ready.
1639 if(reliable_data.size() > 0)
1641 SharedBuffer<u8> reply(2 + reliable_data.size());
1642 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1643 memcpy((char*)&reply[2], reliable_data.c_str(),
1644 reliable_data.size());
1646 m_con.Send(client->peer_id, 0, reply, true);
1648 if(unreliable_data.size() > 0)
1650 SharedBuffer<u8> reply(2 + unreliable_data.size());
1651 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1652 memcpy((char*)&reply[2], unreliable_data.c_str(),
1653 unreliable_data.size());
1654 // Send as unreliable
1655 m_con.Send(client->peer_id, 0, reply, false);
1658 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1660 dstream<<"INFO: Server: Size of object message data: "
1661 <<"reliable: "<<reliable_data.size()
1662 <<", unreliable: "<<unreliable_data.size()
1667 // Clear buffered_messages
1668 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1669 i = buffered_messages.getIterator();
1670 i.atEnd()==false; i++)
1672 delete i.getNode()->getValue();
1676 } // enable_experimental
1679 Send queued-for-sending map edit events.
1682 // Don't send too many at a time
1685 // Single change sending is disabled if queue size is not small
1686 bool disable_single_change_sending = false;
1687 if(m_unsent_map_edit_queue.size() >= 4)
1688 disable_single_change_sending = true;
1690 bool got_any_events = false;
1692 // We'll log the amount of each
1695 while(m_unsent_map_edit_queue.size() != 0)
1697 got_any_events = true;
1699 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1701 // Players far away from the change are stored here.
1702 // Instead of sending the changes, MapBlocks are set not sent
1704 core::list<u16> far_players;
1706 if(event->type == MEET_ADDNODE)
1708 //dstream<<"Server: MEET_ADDNODE"<<std::endl;
1709 prof.add("MEET_ADDNODE", 1);
1710 if(disable_single_change_sending)
1711 sendAddNode(event->p, event->n, event->already_known_by_peer,
1714 sendAddNode(event->p, event->n, event->already_known_by_peer,
1717 else if(event->type == MEET_REMOVENODE)
1719 //dstream<<"Server: MEET_REMOVENODE"<<std::endl;
1720 prof.add("MEET_REMOVENODE", 1);
1721 if(disable_single_change_sending)
1722 sendRemoveNode(event->p, event->already_known_by_peer,
1725 sendRemoveNode(event->p, event->already_known_by_peer,
1728 else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
1730 dstream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
1731 prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
1732 setBlockNotSent(event->p);
1734 else if(event->type == MEET_OTHER)
1736 dstream<<"Server: MEET_OTHER"<<std::endl;
1737 prof.add("MEET_OTHER", 1);
1738 for(core::map<v3s16, bool>::Iterator
1739 i = event->modified_blocks.getIterator();
1740 i.atEnd()==false; i++)
1742 v3s16 p = i.getNode()->getKey();
1748 prof.add("unknown", 1);
1749 dstream<<"WARNING: Server: Unknown MapEditEvent "
1750 <<((u32)event->type)<<std::endl;
1754 Set blocks not sent to far players
1756 if(far_players.size() > 0)
1758 // Convert list format to that wanted by SetBlocksNotSent
1759 core::map<v3s16, MapBlock*> modified_blocks2;
1760 for(core::map<v3s16, bool>::Iterator
1761 i = event->modified_blocks.getIterator();
1762 i.atEnd()==false; i++)
1764 v3s16 p = i.getNode()->getKey();
1765 modified_blocks2.insert(p,
1766 m_env.getMap().getBlockNoCreateNoEx(p));
1768 // Set blocks not sent
1769 for(core::list<u16>::Iterator
1770 i = far_players.begin();
1771 i != far_players.end(); i++)
1774 RemoteClient *client = getClient(peer_id);
1777 client->SetBlocksNotSent(modified_blocks2);
1783 /*// Don't send too many at a time
1785 if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
1791 dstream<<"Server: MapEditEvents:"<<std::endl;
1792 prof.print(dstream);
1798 Send object positions
1799 TODO: Get rid of MapBlockObjects
1802 float &counter = m_objectdata_timer;
1804 if(counter >= g_settings.getFloat("objectdata_interval"))
1806 JMutexAutoLock lock1(m_env_mutex);
1807 JMutexAutoLock lock2(m_con_mutex);
1809 ScopeProfiler sp(&g_profiler, "Server: sending mbo positions");
1811 SendObjectData(counter);
1818 Trigger emergethread (it somehow gets to a non-triggered but
1819 bysy state sometimes)
1822 float &counter = m_emergethread_trigger_timer;
1828 m_emergethread.trigger();
1832 // Save map, players and auth stuff
1834 float &counter = m_savemap_timer;
1836 if(counter >= g_settings.getFloat("server_map_save_interval"))
1840 ScopeProfiler sp(&g_profiler, "Server: saving stuff");
1843 if(m_authmanager.isModified())
1844 m_authmanager.save();
1847 if(m_banmanager.isModified())
1848 m_banmanager.save();
1851 JMutexAutoLock lock(m_env_mutex);
1853 /*// Unload unused data (delete from memory)
1854 m_env.getMap().unloadUnusedData(
1855 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1857 /*u32 deleted_count = m_env.getMap().unloadUnusedData(
1858 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1861 // Save only changed parts
1862 m_env.getMap().save(true);
1864 /*if(deleted_count > 0)
1866 dout_server<<"Server: Unloaded "<<deleted_count
1867 <<" blocks from memory"<<std::endl;
1871 m_env.serializePlayers(m_mapsavedir);
1873 // Save environment metadata
1874 m_env.saveMeta(m_mapsavedir);
1879 void Server::Receive()
1881 DSTACK(__FUNCTION_NAME);
1882 u32 data_maxsize = 10000;
1883 Buffer<u8> data(data_maxsize);
1888 JMutexAutoLock conlock(m_con_mutex);
1889 datasize = m_con.Receive(peer_id, *data, data_maxsize);
1892 // This has to be called so that the client list gets synced
1893 // with the peer list of the connection
1894 handlePeerChanges();
1896 ProcessData(*data, datasize, peer_id);
1898 catch(con::InvalidIncomingDataException &e)
1900 derr_server<<"Server::Receive(): "
1901 "InvalidIncomingDataException: what()="
1902 <<e.what()<<std::endl;
1904 catch(con::PeerNotFoundException &e)
1906 //NOTE: This is not needed anymore
1908 // The peer has been disconnected.
1909 // Find the associated player and remove it.
1911 /*JMutexAutoLock envlock(m_env_mutex);
1913 dout_server<<"ServerThread: peer_id="<<peer_id
1914 <<" has apparently closed connection. "
1915 <<"Removing player."<<std::endl;
1917 m_env.removePlayer(peer_id);*/
1921 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1923 DSTACK(__FUNCTION_NAME);
1924 // Environment is locked first.
1925 JMutexAutoLock envlock(m_env_mutex);
1926 JMutexAutoLock conlock(m_con_mutex);
1930 peer = m_con.GetPeer(peer_id);
1932 catch(con::PeerNotFoundException &e)
1934 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: peer "
1935 <<peer_id<<" not found"<<std::endl;
1939 // drop player if is ip is banned
1940 if(m_banmanager.isIpBanned(peer->address.serializeString())){
1941 SendAccessDenied(m_con, peer_id,
1942 L"Your ip is banned. Banned name was "
1943 +narrow_to_wide(m_banmanager.getBanName(
1944 peer->address.serializeString())));
1945 m_con.deletePeer(peer_id, false);
1949 u8 peer_ser_ver = getClient(peer->id)->serialization_version;
1957 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1959 if(command == TOSERVER_INIT)
1961 // [0] u16 TOSERVER_INIT
1962 // [2] u8 SER_FMT_VER_HIGHEST
1963 // [3] u8[20] player_name
1964 // [23] u8[28] password <--- can be sent without this, from old versions
1966 if(datasize < 2+1+PLAYERNAME_SIZE)
1969 derr_server<<DTIME<<"Server: Got TOSERVER_INIT from "
1970 <<peer->id<<std::endl;
1972 // First byte after command is maximum supported
1973 // serialization version
1974 u8 client_max = data[2];
1975 u8 our_max = SER_FMT_VER_HIGHEST;
1976 // Use the highest version supported by both
1977 u8 deployed = core::min_(client_max, our_max);
1978 // If it's lower than the lowest supported, give up.
1979 if(deployed < SER_FMT_VER_LOWEST)
1980 deployed = SER_FMT_VER_INVALID;
1982 //peer->serialization_version = deployed;
1983 getClient(peer->id)->pending_serialization_version = deployed;
1985 if(deployed == SER_FMT_VER_INVALID)
1987 derr_server<<DTIME<<"Server: Cannot negotiate "
1988 "serialization version with peer "
1989 <<peer_id<<std::endl;
1990 SendAccessDenied(m_con, peer_id,
1991 L"Your client is too old (map format)");
1996 Read and check network protocol version
1999 u16 net_proto_version = 0;
2000 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
2002 net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
2005 getClient(peer->id)->net_proto_version = net_proto_version;
2007 if(net_proto_version == 0)
2009 SendAccessDenied(m_con, peer_id,
2010 L"Your client is too old. Please upgrade.");
2014 /* Uhh... this should actually be a warning but let's do it like this */
2015 if(net_proto_version < 2)
2017 SendAccessDenied(m_con, peer_id,
2018 L"Your client is too old. Please upgrade.");
2027 char playername[PLAYERNAME_SIZE];
2028 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2030 playername[i] = data[3+i];
2032 playername[PLAYERNAME_SIZE-1] = 0;
2034 if(playername[0]=='\0')
2036 derr_server<<DTIME<<"Server: Player has empty name"<<std::endl;
2037 SendAccessDenied(m_con, peer_id,
2042 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2044 derr_server<<DTIME<<"Server: Player has invalid name"<<std::endl;
2045 SendAccessDenied(m_con, peer_id,
2046 L"Name contains unallowed characters");
2051 char password[PASSWORD_SIZE];
2052 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2054 // old version - assume blank password
2059 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2061 password[i] = data[23+i];
2063 password[PASSWORD_SIZE-1] = 0;
2066 std::string checkpwd;
2067 if(m_authmanager.exists(playername))
2069 checkpwd = m_authmanager.getPassword(playername);
2073 checkpwd = g_settings.get("default_password");
2076 /*dstream<<"Server: Client gave password '"<<password
2077 <<"', the correct one is '"<<checkpwd<<"'"<<std::endl;*/
2079 if(password != checkpwd && m_authmanager.exists(playername))
2081 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2082 <<": supplied invalid password for "
2083 <<playername<<std::endl;
2084 SendAccessDenied(m_con, peer_id, L"Invalid password");
2088 // Add player to auth manager
2089 if(m_authmanager.exists(playername) == false)
2091 derr_server<<DTIME<<"Server: adding player "<<playername
2092 <<" to auth manager"<<std::endl;
2093 m_authmanager.add(playername);
2094 m_authmanager.setPassword(playername, checkpwd);
2095 m_authmanager.setPrivs(playername,
2096 stringToPrivs(g_settings.get("default_privs")));
2097 m_authmanager.save();
2101 Player *player = emergePlayer(playername, password, peer_id);
2105 // DEBUG: Test serialization
2106 std::ostringstream test_os;
2107 player->serialize(test_os);
2108 dstream<<"Player serialization test: \""<<test_os.str()
2110 std::istringstream test_is(test_os.str());
2111 player->deSerialize(test_is);
2114 // If failed, cancel
2117 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2118 <<": failed to emerge player"<<std::endl;
2123 // If a client is already connected to the player, cancel
2124 if(player->peer_id != 0)
2126 derr_server<<DTIME<<"Server: peer_id="<<peer_id
2127 <<" tried to connect to "
2128 "an already connected player (peer_id="
2129 <<player->peer_id<<")"<<std::endl;
2132 // Set client of player
2133 player->peer_id = peer_id;
2136 // Check if player doesn't exist
2138 throw con::InvalidIncomingDataException
2139 ("Server::ProcessData(): INIT: Player doesn't exist");
2141 /*// update name if it was supplied
2142 if(datasize >= 20+3)
2145 player->updateName((const char*)&data[3]);
2149 Answer with a TOCLIENT_INIT
2152 SharedBuffer<u8> reply(2+1+6+8);
2153 writeU16(&reply[0], TOCLIENT_INIT);
2154 writeU8(&reply[2], deployed);
2155 writeV3S16(&reply[2+1], floatToInt(player->getPosition()+v3f(0,BS/2,0), BS));
2156 writeU64(&reply[2+1+6], m_env.getServerMap().getSeed());
2159 m_con.Send(peer_id, 0, reply, true);
2163 Send complete position information
2165 SendMovePlayer(player);
2170 if(command == TOSERVER_INIT2)
2172 derr_server<<DTIME<<"Server: Got TOSERVER_INIT2 from "
2173 <<peer->id<<std::endl;
2176 getClient(peer->id)->serialization_version
2177 = getClient(peer->id)->pending_serialization_version;
2180 Send some initialization data
2183 // Send player info to all players
2186 // Send inventory to player
2187 UpdateCrafting(peer->id);
2188 SendInventory(peer->id);
2190 // Send player items to all players
2195 Player *player = m_env.getPlayer(peer_id);
2196 SendPlayerHP(player);
2201 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2202 m_env.getTimeOfDay());
2203 m_con.Send(peer->id, 0, data, true);
2206 // Send information about server to player in chat
2207 SendChatMessage(peer_id, getStatusString());
2209 // Send information about joining in chat
2211 std::wstring name = L"unknown";
2212 Player *player = m_env.getPlayer(peer_id);
2214 name = narrow_to_wide(player->getName());
2216 std::wstring message;
2219 message += L" joined game";
2220 BroadcastChatMessage(message);
2223 // Warnings about protocol version can be issued here
2224 /*if(getClient(peer->id)->net_proto_version == 0)
2226 SendChatMessage(peer_id, L"# Server: NOTE: YOUR CLIENT IS OLD AND DOES NOT WORK PROPERLY WITH THIS SERVER");
2232 if(peer_ser_ver == SER_FMT_VER_INVALID)
2234 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: Peer"
2235 " serialization format invalid or not initialized."
2236 " Skipping incoming command="<<command<<std::endl;
2240 Player *player = m_env.getPlayer(peer_id);
2243 derr_server<<"Server::ProcessData(): Cancelling: "
2244 "No player for peer_id="<<peer_id
2248 if(command == TOSERVER_PLAYERPOS)
2250 if(datasize < 2+12+12+4+4)
2254 v3s32 ps = readV3S32(&data[start+2]);
2255 v3s32 ss = readV3S32(&data[start+2+12]);
2256 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2257 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2258 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2259 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2260 pitch = wrapDegrees(pitch);
2261 yaw = wrapDegrees(yaw);
2262 player->setPosition(position);
2263 player->setSpeed(speed);
2264 player->setPitch(pitch);
2265 player->setYaw(yaw);
2267 /*dout_server<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2268 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2269 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2271 else if(command == TOSERVER_GOTBLOCKS)
2284 u16 count = data[2];
2285 for(u16 i=0; i<count; i++)
2287 if((s16)datasize < 2+1+(i+1)*6)
2288 throw con::InvalidIncomingDataException
2289 ("GOTBLOCKS length is too short");
2290 v3s16 p = readV3S16(&data[2+1+i*6]);
2291 /*dstream<<"Server: GOTBLOCKS ("
2292 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2293 RemoteClient *client = getClient(peer_id);
2294 client->GotBlock(p);
2297 else if(command == TOSERVER_DELETEDBLOCKS)
2310 u16 count = data[2];
2311 for(u16 i=0; i<count; i++)
2313 if((s16)datasize < 2+1+(i+1)*6)
2314 throw con::InvalidIncomingDataException
2315 ("DELETEDBLOCKS length is too short");
2316 v3s16 p = readV3S16(&data[2+1+i*6]);
2317 /*dstream<<"Server: DELETEDBLOCKS ("
2318 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2319 RemoteClient *client = getClient(peer_id);
2320 client->SetBlockNotSent(p);
2323 else if(command == TOSERVER_CLICK_OBJECT)
2328 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2333 [2] u8 button (0=left, 1=right)
2338 u8 button = readU8(&data[2]);
2340 p.X = readS16(&data[3]);
2341 p.Y = readS16(&data[5]);
2342 p.Z = readS16(&data[7]);
2343 s16 id = readS16(&data[9]);
2344 //u16 item_i = readU16(&data[11]);
2346 MapBlock *block = NULL;
2349 block = m_env.getMap().getBlockNoCreate(p);
2351 catch(InvalidPositionException &e)
2353 derr_server<<"CLICK_OBJECT block not found"<<std::endl;
2357 MapBlockObject *obj = block->getObject(id);
2361 derr_server<<"CLICK_OBJECT object not found"<<std::endl;
2365 //TODO: Check that object is reasonably close
2370 InventoryList *ilist = player->inventory.getList("main");
2371 if(g_settings.getBool("creative_mode") == false && ilist != NULL)
2374 // Skip if inventory has no free space
2375 if(ilist->getUsedSlots() == ilist->getSize())
2377 dout_server<<"Player inventory has no free space"<<std::endl;
2382 Create the inventory item
2384 InventoryItem *item = NULL;
2385 // If it is an item-object, take the item from it
2386 if(obj->getTypeId() == MAPBLOCKOBJECT_TYPE_ITEM)
2388 item = ((ItemObject*)obj)->createInventoryItem();
2390 // Else create an item of the object
2393 item = new MapBlockObjectItem
2394 (obj->getInventoryString());
2397 // Add to inventory and send inventory
2398 ilist->addItem(item);
2399 UpdateCrafting(player->peer_id);
2400 SendInventory(player->peer_id);
2403 // Remove from block
2404 block->removeObject(id);
2407 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2412 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2418 [2] u8 button (0=left, 1=right)
2422 u8 button = readU8(&data[2]);
2423 u16 id = readS16(&data[3]);
2424 u16 item_i = readU16(&data[11]);
2426 ServerActiveObject *obj = m_env.getActiveObject(id);
2430 derr_server<<"Server: CLICK_ACTIVEOBJECT: object not found"
2435 // Skip if object has been removed
2439 //TODO: Check that object is reasonably close
2441 // Left click, pick object up (usually)
2445 Try creating inventory item
2447 InventoryItem *item = obj->createPickedUpItem();
2451 InventoryList *ilist = player->inventory.getList("main");
2454 if(g_settings.getBool("creative_mode") == false)
2456 // Skip if inventory has no free space
2457 if(ilist->roomForItem(item) == false)
2459 dout_server<<"Player inventory has no free space"<<std::endl;
2463 // Add to inventory and send inventory
2464 ilist->addItem(item);
2465 UpdateCrafting(player->peer_id);
2466 SendInventory(player->peer_id);
2469 // Remove object from environment
2470 obj->m_removed = true;
2476 Item cannot be picked up. Punch it instead.
2479 ToolItem *titem = NULL;
2480 std::string toolname = "";
2482 InventoryList *mlist = player->inventory.getList("main");
2485 InventoryItem *item = mlist->getItem(item_i);
2486 if(item && (std::string)item->getName() == "ToolItem")
2488 titem = (ToolItem*)item;
2489 toolname = titem->getToolName();
2493 v3f playerpos = player->getPosition();
2494 v3f objpos = obj->getBasePosition();
2495 v3f dir = (objpos - playerpos).normalize();
2497 u16 wear = obj->punch(toolname, dir);
2501 bool weared_out = titem->addWear(wear);
2503 mlist->deleteItem(item_i);
2504 SendInventory(player->peer_id);
2508 // Right click, do something with object
2511 // Track hp changes super-crappily
2512 u16 oldhp = player->hp;
2515 obj->rightClick(player);
2518 if(player->hp != oldhp)
2520 SendPlayerHP(player);
2524 else if(command == TOSERVER_GROUND_ACTION)
2532 [3] v3s16 nodepos_undersurface
2533 [9] v3s16 nodepos_abovesurface
2538 2: stop digging (all parameters ignored)
2539 3: digging completed
2541 u8 action = readU8(&data[2]);
2543 p_under.X = readS16(&data[3]);
2544 p_under.Y = readS16(&data[5]);
2545 p_under.Z = readS16(&data[7]);
2547 p_over.X = readS16(&data[9]);
2548 p_over.Y = readS16(&data[11]);
2549 p_over.Z = readS16(&data[13]);
2550 u16 item_i = readU16(&data[15]);
2552 //TODO: Check that target is reasonably close
2560 NOTE: This can be used in the future to check if
2561 somebody is cheating, by checking the timing.
2568 else if(action == 2)
2571 RemoteClient *client = getClient(peer->id);
2572 JMutexAutoLock digmutex(client->m_dig_mutex);
2573 client->m_dig_tool_item = -1;
2578 3: Digging completed
2580 else if(action == 3)
2582 // Mandatory parameter; actually used for nothing
2583 core::map<v3s16, MapBlock*> modified_blocks;
2585 content_t material = CONTENT_IGNORE;
2586 u8 mineral = MINERAL_NONE;
2588 bool cannot_remove_node = false;
2592 MapNode n = m_env.getMap().getNode(p_under);
2594 mineral = n.getMineral();
2595 // Get material at position
2596 material = n.getContent();
2597 // If not yet cancelled
2598 if(cannot_remove_node == false)
2600 // If it's not diggable, do nothing
2601 if(content_diggable(material) == false)
2603 derr_server<<"Server: Not finishing digging: "
2604 <<"Node not diggable"
2606 cannot_remove_node = true;
2609 // If not yet cancelled
2610 if(cannot_remove_node == false)
2612 // Get node metadata
2613 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p_under);
2614 if(meta && meta->nodeRemovalDisabled() == true)
2616 derr_server<<"Server: Not finishing digging: "
2617 <<"Node metadata disables removal"
2619 cannot_remove_node = true;
2623 catch(InvalidPositionException &e)
2625 derr_server<<"Server: Not finishing digging: Node not found."
2626 <<" Adding block to emerge queue."
2628 m_emerge_queue.addBlock(peer_id,
2629 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2630 cannot_remove_node = true;
2633 // Make sure the player is allowed to do it
2634 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2636 dstream<<"Player "<<player->getName()<<" cannot remove node"
2637 <<" because privileges are "<<getPlayerPrivs(player)
2639 cannot_remove_node = true;
2643 If node can't be removed, set block to be re-sent to
2646 if(cannot_remove_node)
2648 derr_server<<"Server: Not finishing digging."<<std::endl;
2650 // Client probably has wrong data.
2651 // Set block not sent, so that client will get
2653 dstream<<"Client "<<peer_id<<" tried to dig "
2654 <<"node; but node cannot be removed."
2655 <<" setting MapBlock not sent."<<std::endl;
2656 RemoteClient *client = getClient(peer_id);
2657 v3s16 blockpos = getNodeBlockPos(p_under);
2658 client->SetBlockNotSent(blockpos);
2664 Send the removal to all close-by players.
2665 - If other player is close, send REMOVENODE
2666 - Otherwise set blocks not sent
2668 core::list<u16> far_players;
2669 sendRemoveNode(p_under, peer_id, &far_players, 30);
2672 Update and send inventory
2675 if(g_settings.getBool("creative_mode") == false)
2680 InventoryList *mlist = player->inventory.getList("main");
2683 InventoryItem *item = mlist->getItem(item_i);
2684 if(item && (std::string)item->getName() == "ToolItem")
2686 ToolItem *titem = (ToolItem*)item;
2687 std::string toolname = titem->getToolName();
2689 // Get digging properties for material and tool
2690 DiggingProperties prop =
2691 getDiggingProperties(material, toolname);
2693 if(prop.diggable == false)
2695 derr_server<<"Server: WARNING: Player digged"
2696 <<" with impossible material + tool"
2697 <<" combination"<<std::endl;
2700 bool weared_out = titem->addWear(prop.wear);
2704 mlist->deleteItem(item_i);
2710 Add dug item to inventory
2713 InventoryItem *item = NULL;
2715 if(mineral != MINERAL_NONE)
2716 item = getDiggedMineralItem(mineral);
2721 std::string &dug_s = content_features(material).dug_item;
2724 std::istringstream is(dug_s, std::ios::binary);
2725 item = InventoryItem::deSerialize(is);
2731 // Add a item to inventory
2732 player->inventory.addItem("main", item);
2735 UpdateCrafting(player->peer_id);
2736 SendInventory(player->peer_id);
2742 (this takes some time so it is done after the quick stuff)
2745 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2747 m_env.getMap().removeNodeAndUpdate(p_under, modified_blocks);
2750 Set blocks not sent to far players
2752 for(core::list<u16>::Iterator
2753 i = far_players.begin();
2754 i != far_players.end(); i++)
2757 RemoteClient *client = getClient(peer_id);
2760 client->SetBlocksNotSent(modified_blocks);
2767 else if(action == 1)
2770 InventoryList *ilist = player->inventory.getList("main");
2775 InventoryItem *item = ilist->getItem(item_i);
2777 // If there is no item, it is not possible to add it anywhere
2782 Handle material items
2784 if(std::string("MaterialItem") == item->getName())
2787 // Don't add a node if this is not a free space
2788 MapNode n2 = m_env.getMap().getNode(p_over);
2789 bool no_enough_privs =
2790 ((getPlayerPrivs(player) & PRIV_BUILD)==0);
2792 dstream<<"Player "<<player->getName()<<" cannot add node"
2793 <<" because privileges are "<<getPlayerPrivs(player)
2796 if(content_features(n2).buildable_to == false
2799 // Client probably has wrong data.
2800 // Set block not sent, so that client will get
2802 dstream<<"Client "<<peer_id<<" tried to place"
2803 <<" node in invalid position; setting"
2804 <<" MapBlock not sent."<<std::endl;
2805 RemoteClient *client = getClient(peer_id);
2806 v3s16 blockpos = getNodeBlockPos(p_over);
2807 client->SetBlockNotSent(blockpos);
2811 catch(InvalidPositionException &e)
2813 derr_server<<"Server: Ignoring ADDNODE: Node not found"
2814 <<" Adding block to emerge queue."
2816 m_emerge_queue.addBlock(peer_id,
2817 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2821 // Reset build time counter
2822 getClient(peer->id)->m_time_from_building = 0.0;
2825 MaterialItem *mitem = (MaterialItem*)item;
2827 n.setContent(mitem->getMaterial());
2829 // Calculate direction for wall mounted stuff
2830 if(content_features(n).wall_mounted)
2831 n.param2 = packDir(p_under - p_over);
2833 // Calculate the direction for furnaces and chests and stuff
2834 if(content_features(n).param_type == CPT_FACEDIR_SIMPLE)
2836 v3f playerpos = player->getPosition();
2837 v3f blockpos = intToFloat(p_over, BS) - playerpos;
2838 blockpos = blockpos.normalize();
2840 if (fabs(blockpos.X) > fabs(blockpos.Z)) {
2854 Send to all close-by players
2856 core::list<u16> far_players;
2857 sendAddNode(p_over, n, 0, &far_players, 30);
2862 InventoryList *ilist = player->inventory.getList("main");
2863 if(g_settings.getBool("creative_mode") == false && ilist)
2865 // Remove from inventory and send inventory
2866 if(mitem->getCount() == 1)
2867 ilist->deleteItem(item_i);
2871 UpdateCrafting(peer_id);
2872 SendInventory(peer_id);
2878 This takes some time so it is done after the quick stuff
2880 core::map<v3s16, MapBlock*> modified_blocks;
2882 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2884 m_env.getMap().addNodeAndUpdate(p_over, n, modified_blocks);
2887 Set blocks not sent to far players
2889 for(core::list<u16>::Iterator
2890 i = far_players.begin();
2891 i != far_players.end(); i++)
2894 RemoteClient *client = getClient(peer_id);
2897 client->SetBlocksNotSent(modified_blocks);
2901 Calculate special events
2904 /*if(n.d == CONTENT_MESE)
2907 for(s16 z=-1; z<=1; z++)
2908 for(s16 y=-1; y<=1; y++)
2909 for(s16 x=-1; x<=1; x++)
2916 Place other item (not a block)
2920 v3s16 blockpos = getNodeBlockPos(p_over);
2923 Check that the block is loaded so that the item
2924 can properly be added to the static list too
2926 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
2929 derr_server<<"Error while placing object: "
2930 "block not found"<<std::endl;
2935 If in creative mode, item dropping is disabled unless
2936 player has build privileges
2938 if(g_settings.getBool("creative_mode") &&
2939 (getPlayerPrivs(player) & PRIV_BUILD) == 0)
2941 derr_server<<"Not allowing player to drop item: "
2942 "creative mode and no build privs"<<std::endl;
2946 dout_server<<"Placing a miscellaneous item on map"
2949 // Calculate a position for it
2950 v3f pos = intToFloat(p_over, BS);
2952 pos.Y -= BS*0.25; // let it drop a bit
2954 pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2955 pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2960 ServerActiveObject *obj = item->createSAO(&m_env, 0, pos);
2964 derr_server<<"WARNING: item resulted in NULL object, "
2965 <<"not placing onto map"
2970 // Add the object to the environment
2971 m_env.addActiveObject(obj);
2973 dout_server<<"Placed object"<<std::endl;
2975 if(g_settings.getBool("creative_mode") == false)
2977 // Delete the right amount of items from the slot
2978 u16 dropcount = item->getDropCount();
2980 // Delete item if all gone
2981 if(item->getCount() <= dropcount)
2983 if(item->getCount() < dropcount)
2984 dstream<<"WARNING: Server: dropped more items"
2985 <<" than the slot contains"<<std::endl;
2987 InventoryList *ilist = player->inventory.getList("main");
2989 // Remove from inventory and send inventory
2990 ilist->deleteItem(item_i);
2992 // Else decrement it
2994 item->remove(dropcount);
2997 UpdateCrafting(peer_id);
2998 SendInventory(peer_id);
3006 Catch invalid actions
3010 derr_server<<"WARNING: Server: Invalid action "
3011 <<action<<std::endl;
3015 else if(command == TOSERVER_RELEASE)
3024 dstream<<"TOSERVER_RELEASE ignored"<<std::endl;
3027 else if(command == TOSERVER_SIGNTEXT)
3029 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3038 std::string datastring((char*)&data[2], datasize-2);
3039 std::istringstream is(datastring, std::ios_base::binary);
3042 is.read((char*)buf, 6);
3043 v3s16 blockpos = readV3S16(buf);
3044 is.read((char*)buf, 2);
3045 s16 id = readS16(buf);
3046 is.read((char*)buf, 2);
3047 u16 textlen = readU16(buf);
3049 for(u16 i=0; i<textlen; i++)
3051 is.read((char*)buf, 1);
3052 text += (char)buf[0];
3055 MapBlock *block = NULL;
3058 block = m_env.getMap().getBlockNoCreate(blockpos);
3060 catch(InvalidPositionException &e)
3062 derr_server<<"Error while setting sign text: "
3063 "block not found"<<std::endl;
3067 MapBlockObject *obj = block->getObject(id);
3070 derr_server<<"Error while setting sign text: "
3071 "object not found"<<std::endl;
3075 if(obj->getTypeId() != MAPBLOCKOBJECT_TYPE_SIGN)
3077 derr_server<<"Error while setting sign text: "
3078 "object is not a sign"<<std::endl;
3082 ((SignObject*)obj)->setText(text);
3084 obj->getBlock()->setChangedFlag();
3086 else if(command == TOSERVER_SIGNNODETEXT)
3088 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3096 std::string datastring((char*)&data[2], datasize-2);
3097 std::istringstream is(datastring, std::ios_base::binary);
3100 is.read((char*)buf, 6);
3101 v3s16 p = readV3S16(buf);
3102 is.read((char*)buf, 2);
3103 u16 textlen = readU16(buf);
3105 for(u16 i=0; i<textlen; i++)
3107 is.read((char*)buf, 1);
3108 text += (char)buf[0];
3111 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3114 if(meta->typeId() != CONTENT_SIGN_WALL)
3116 SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
3117 signmeta->setText(text);
3119 v3s16 blockpos = getNodeBlockPos(p);
3120 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
3123 block->setChangedFlag();
3126 for(core::map<u16, RemoteClient*>::Iterator
3127 i = m_clients.getIterator();
3128 i.atEnd()==false; i++)
3130 RemoteClient *client = i.getNode()->getValue();
3131 client->SetBlockNotSent(blockpos);
3134 else if(command == TOSERVER_INVENTORY_ACTION)
3136 /*// Ignore inventory changes if in creative mode
3137 if(g_settings.getBool("creative_mode") == true)
3139 dstream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
3143 // Strip command and create a stream
3144 std::string datastring((char*)&data[2], datasize-2);
3145 dstream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
3146 std::istringstream is(datastring, std::ios_base::binary);
3148 InventoryAction *a = InventoryAction::deSerialize(is);
3153 c.current_player = player;
3156 Handle craftresult specially if not in creative mode
3158 bool disable_action = false;
3159 if(a->getType() == IACTION_MOVE
3160 && g_settings.getBool("creative_mode") == false)
3162 IMoveAction *ma = (IMoveAction*)a;
3163 if(ma->to_inv == "current_player" &&
3164 ma->from_inv == "current_player")
3166 InventoryList *rlist = player->inventory.getList("craftresult");
3168 InventoryList *clist = player->inventory.getList("craft");
3170 InventoryList *mlist = player->inventory.getList("main");
3173 Craftresult is no longer preview if something
3176 if(ma->to_list == "craftresult"
3177 && ma->from_list != "craftresult")
3179 // If it currently is a preview, remove
3181 if(player->craftresult_is_preview)
3183 rlist->deleteItem(0);
3185 player->craftresult_is_preview = false;
3188 Crafting takes place if this condition is true.
3190 if(player->craftresult_is_preview &&
3191 ma->from_list == "craftresult")
3193 player->craftresult_is_preview = false;
3194 clist->decrementMaterials(1);
3197 If the craftresult is placed on itself, move it to
3198 main inventory instead of doing the action
3200 if(ma->to_list == "craftresult"
3201 && ma->from_list == "craftresult")
3203 disable_action = true;
3205 InventoryItem *item1 = rlist->changeItem(0, NULL);
3206 mlist->addItem(item1);
3209 // Disallow moving items if not allowed to build
3210 else if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3214 if(disable_action == false)
3216 // Feed action to player inventory
3224 UpdateCrafting(player->peer_id);
3225 SendInventory(player->peer_id);
3230 dstream<<"TOSERVER_INVENTORY_ACTION: "
3231 <<"InventoryAction::deSerialize() returned NULL"
3235 else if(command == TOSERVER_CHAT_MESSAGE)
3243 std::string datastring((char*)&data[2], datasize-2);
3244 std::istringstream is(datastring, std::ios_base::binary);
3247 is.read((char*)buf, 2);
3248 u16 len = readU16(buf);
3250 std::wstring message;
3251 for(u16 i=0; i<len; i++)
3253 is.read((char*)buf, 2);
3254 message += (wchar_t)readU16(buf);
3257 // Get player name of this client
3258 std::wstring name = narrow_to_wide(player->getName());
3260 // Line to send to players
3262 // Whether to send to the player that sent the line
3263 bool send_to_sender = false;
3264 // Whether to send to other players
3265 bool send_to_others = false;
3267 // Local player gets all privileges regardless of
3268 // what's set on their account.
3269 u64 privs = getPlayerPrivs(player);
3272 if(message[0] == L'/')
3274 size_t strip_size = 1;
3275 if (message[1] == L'#') // support old-style commans
3277 message = message.substr(strip_size);
3279 WStrfnd f1(message);
3280 f1.next(L" "); // Skip over /#whatever
3281 std::wstring paramstring = f1.next(L"");
3283 ServerCommandContext *ctx = new ServerCommandContext(
3284 str_split(message, L' '),
3291 std::wstring reply(processServerCommand(ctx));
3292 send_to_sender = ctx->flags & SEND_TO_SENDER;
3293 send_to_others = ctx->flags & SEND_TO_OTHERS;
3295 if (ctx->flags & SEND_NO_PREFIX)
3298 line += L"Server: " + reply;
3305 if(privs & PRIV_SHOUT)
3311 send_to_others = true;
3315 line += L"Server: You are not allowed to shout";
3316 send_to_sender = true;
3322 dstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
3325 Send the message to clients
3327 for(core::map<u16, RemoteClient*>::Iterator
3328 i = m_clients.getIterator();
3329 i.atEnd() == false; i++)
3331 // Get client and check that it is valid
3332 RemoteClient *client = i.getNode()->getValue();
3333 assert(client->peer_id == i.getNode()->getKey());
3334 if(client->serialization_version == SER_FMT_VER_INVALID)
3338 bool sender_selected = (peer_id == client->peer_id);
3339 if(sender_selected == true && send_to_sender == false)
3341 if(sender_selected == false && send_to_others == false)
3344 SendChatMessage(client->peer_id, line);
3348 else if(command == TOSERVER_DAMAGE)
3350 if(g_settings.getBool("enable_damage"))
3352 std::string datastring((char*)&data[2], datasize-2);
3353 std::istringstream is(datastring, std::ios_base::binary);
3354 u8 damage = readU8(is);
3355 if(player->hp > damage)
3357 player->hp -= damage;
3363 dstream<<"TODO: Server: TOSERVER_HP_DECREMENT: Player dies"
3366 v3f pos = findSpawnPos(m_env.getServerMap());
3367 player->setPosition(pos);
3369 SendMovePlayer(player);
3370 SendPlayerHP(player);
3372 //TODO: Throw items around
3376 SendPlayerHP(player);
3378 else if(command == TOSERVER_PASSWORD)
3381 [0] u16 TOSERVER_PASSWORD
3382 [2] u8[28] old password
3383 [30] u8[28] new password
3386 if(datasize != 2+PASSWORD_SIZE*2)
3388 /*char password[PASSWORD_SIZE];
3389 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3390 password[i] = data[2+i];
3391 password[PASSWORD_SIZE-1] = 0;*/
3393 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3401 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3403 char c = data[2+PASSWORD_SIZE+i];
3409 dstream<<"Server: Client requests a password change from "
3410 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
3412 std::string playername = player->getName();
3414 if(m_authmanager.exists(playername) == false)
3416 dstream<<"Server: playername not found in authmanager"<<std::endl;
3417 // Wrong old password supplied!!
3418 SendChatMessage(peer_id, L"playername not found in authmanager");
3422 std::string checkpwd = m_authmanager.getPassword(playername);
3424 if(oldpwd != checkpwd)
3426 dstream<<"Server: invalid old password"<<std::endl;
3427 // Wrong old password supplied!!
3428 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
3432 m_authmanager.setPassword(playername, newpwd);
3434 dstream<<"Server: password change successful for "<<playername
3436 SendChatMessage(peer_id, L"Password change successful");
3438 else if (command == TOSERVER_PLAYERITEM)
3443 u16 item = readU16(&data[2]);
3444 player->wieldItem(item);
3445 SendWieldedItem(player);
3449 derr_server<<"WARNING: Server::ProcessData(): Ignoring "
3450 "unknown command "<<command<<std::endl;
3454 catch(SendFailedException &e)
3456 derr_server<<"Server::ProcessData(): SendFailedException: "
3462 void Server::onMapEditEvent(MapEditEvent *event)
3464 //dstream<<"Server::onMapEditEvent()"<<std::endl;
3465 if(m_ignore_map_edit_events)
3467 MapEditEvent *e = event->clone();
3468 m_unsent_map_edit_queue.push_back(e);
3471 Inventory* Server::getInventory(InventoryContext *c, std::string id)
3473 if(id == "current_player")
3475 assert(c->current_player);
3476 return &(c->current_player->inventory);
3480 std::string id0 = fn.next(":");
3482 if(id0 == "nodemeta")
3485 p.X = stoi(fn.next(","));
3486 p.Y = stoi(fn.next(","));
3487 p.Z = stoi(fn.next(","));
3488 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3490 return meta->getInventory();
3491 dstream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
3492 <<"no metadata found"<<std::endl;
3496 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3499 void Server::inventoryModified(InventoryContext *c, std::string id)
3501 if(id == "current_player")
3503 assert(c->current_player);
3505 UpdateCrafting(c->current_player->peer_id);
3506 SendInventory(c->current_player->peer_id);
3511 std::string id0 = fn.next(":");
3513 if(id0 == "nodemeta")
3516 p.X = stoi(fn.next(","));
3517 p.Y = stoi(fn.next(","));
3518 p.Z = stoi(fn.next(","));
3519 v3s16 blockpos = getNodeBlockPos(p);
3521 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
3523 meta->inventoryModified();
3525 for(core::map<u16, RemoteClient*>::Iterator
3526 i = m_clients.getIterator();
3527 i.atEnd()==false; i++)
3529 RemoteClient *client = i.getNode()->getValue();
3530 client->SetBlockNotSent(blockpos);
3536 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3539 core::list<PlayerInfo> Server::getPlayerInfo()
3541 DSTACK(__FUNCTION_NAME);
3542 JMutexAutoLock envlock(m_env_mutex);
3543 JMutexAutoLock conlock(m_con_mutex);
3545 core::list<PlayerInfo> list;
3547 core::list<Player*> players = m_env.getPlayers();
3549 core::list<Player*>::Iterator i;
3550 for(i = players.begin();
3551 i != players.end(); i++)
3555 Player *player = *i;
3558 con::Peer *peer = m_con.GetPeer(player->peer_id);
3559 // Copy info from peer to info struct
3561 info.address = peer->address;
3562 info.avg_rtt = peer->avg_rtt;
3564 catch(con::PeerNotFoundException &e)
3566 // Set dummy peer info
3568 info.address = Address(0,0,0,0,0);
3572 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3573 info.position = player->getPosition();
3575 list.push_back(info);
3582 void Server::peerAdded(con::Peer *peer)
3584 DSTACK(__FUNCTION_NAME);
3585 dout_server<<"Server::peerAdded(): peer->id="
3586 <<peer->id<<std::endl;
3589 c.type = PEER_ADDED;
3590 c.peer_id = peer->id;
3592 m_peer_change_queue.push_back(c);
3595 void Server::deletingPeer(con::Peer *peer, bool timeout)
3597 DSTACK(__FUNCTION_NAME);
3598 dout_server<<"Server::deletingPeer(): peer->id="
3599 <<peer->id<<", timeout="<<timeout<<std::endl;
3602 c.type = PEER_REMOVED;
3603 c.peer_id = peer->id;
3604 c.timeout = timeout;
3605 m_peer_change_queue.push_back(c);
3612 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3614 DSTACK(__FUNCTION_NAME);
3615 std::ostringstream os(std::ios_base::binary);
3617 writeU16(os, TOCLIENT_HP);
3621 std::string s = os.str();
3622 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3624 con.Send(peer_id, 0, data, true);
3627 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3628 const std::wstring &reason)
3630 DSTACK(__FUNCTION_NAME);
3631 std::ostringstream os(std::ios_base::binary);
3633 writeU16(os, TOCLIENT_ACCESS_DENIED);
3634 os<<serializeWideString(reason);
3637 std::string s = os.str();
3638 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3640 con.Send(peer_id, 0, data, true);
3644 Non-static send methods
3647 void Server::SendObjectData(float dtime)
3649 DSTACK(__FUNCTION_NAME);
3651 core::map<v3s16, bool> stepped_blocks;
3653 for(core::map<u16, RemoteClient*>::Iterator
3654 i = m_clients.getIterator();
3655 i.atEnd() == false; i++)
3657 u16 peer_id = i.getNode()->getKey();
3658 RemoteClient *client = i.getNode()->getValue();
3659 assert(client->peer_id == peer_id);
3661 if(client->serialization_version == SER_FMT_VER_INVALID)
3664 client->SendObjectData(this, dtime, stepped_blocks);
3668 void Server::SendPlayerInfos()
3670 DSTACK(__FUNCTION_NAME);
3672 //JMutexAutoLock envlock(m_env_mutex);
3674 // Get connected players
3675 core::list<Player*> players = m_env.getPlayers(true);
3677 u32 player_count = players.getSize();
3678 u32 datasize = 2+(2+PLAYERNAME_SIZE)*player_count;
3680 SharedBuffer<u8> data(datasize);
3681 writeU16(&data[0], TOCLIENT_PLAYERINFO);
3684 core::list<Player*>::Iterator i;
3685 for(i = players.begin();
3686 i != players.end(); i++)
3688 Player *player = *i;
3690 /*dstream<<"Server sending player info for player with "
3691 "peer_id="<<player->peer_id<<std::endl;*/
3693 writeU16(&data[start], player->peer_id);
3694 memset((char*)&data[start+2], 0, PLAYERNAME_SIZE);
3695 snprintf((char*)&data[start+2], PLAYERNAME_SIZE, "%s", player->getName());
3696 start += 2+PLAYERNAME_SIZE;
3699 //JMutexAutoLock conlock(m_con_mutex);
3702 m_con.SendToAll(0, data, true);
3705 void Server::SendInventory(u16 peer_id)
3707 DSTACK(__FUNCTION_NAME);
3709 Player* player = m_env.getPlayer(peer_id);
3716 std::ostringstream os;
3717 //os.imbue(std::locale("C"));
3719 player->inventory.serialize(os);
3721 std::string s = os.str();
3723 SharedBuffer<u8> data(s.size()+2);
3724 writeU16(&data[0], TOCLIENT_INVENTORY);
3725 memcpy(&data[2], s.c_str(), s.size());
3728 m_con.Send(peer_id, 0, data, true);
3731 std::string getWieldedItemString(const Player *player)
3733 const InventoryItem *item = player->getWieldItem();
3735 return std::string("");
3736 std::ostringstream os(std::ios_base::binary);
3737 item->serialize(os);
3741 void Server::SendWieldedItem(const Player* player)
3743 DSTACK(__FUNCTION_NAME);
3747 std::ostringstream os(std::ios_base::binary);
3749 writeU16(os, TOCLIENT_PLAYERITEM);
3751 writeU16(os, player->peer_id);
3752 os<<serializeString(getWieldedItemString(player));
3755 std::string s = os.str();
3756 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3758 m_con.SendToAll(0, data, true);
3761 void Server::SendPlayerItems()
3763 DSTACK(__FUNCTION_NAME);
3765 std::ostringstream os(std::ios_base::binary);
3766 core::list<Player *> players = m_env.getPlayers(true);
3768 writeU16(os, TOCLIENT_PLAYERITEM);
3769 writeU16(os, players.size());
3770 core::list<Player *>::Iterator i;
3771 for(i = players.begin(); i != players.end(); ++i)
3774 writeU16(os, p->peer_id);
3775 os<<serializeString(getWieldedItemString(p));
3779 std::string s = os.str();
3780 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3782 m_con.SendToAll(0, data, true);
3785 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3787 DSTACK(__FUNCTION_NAME);
3789 std::ostringstream os(std::ios_base::binary);
3793 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3794 os.write((char*)buf, 2);
3797 writeU16(buf, message.size());
3798 os.write((char*)buf, 2);
3801 for(u32 i=0; i<message.size(); i++)
3805 os.write((char*)buf, 2);
3809 std::string s = os.str();
3810 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3812 m_con.Send(peer_id, 0, data, true);
3815 void Server::BroadcastChatMessage(const std::wstring &message)
3817 for(core::map<u16, RemoteClient*>::Iterator
3818 i = m_clients.getIterator();
3819 i.atEnd() == false; i++)
3821 // Get client and check that it is valid
3822 RemoteClient *client = i.getNode()->getValue();
3823 assert(client->peer_id == i.getNode()->getKey());
3824 if(client->serialization_version == SER_FMT_VER_INVALID)
3827 SendChatMessage(client->peer_id, message);
3831 void Server::SendPlayerHP(Player *player)
3833 SendHP(m_con, player->peer_id, player->hp);
3836 void Server::SendMovePlayer(Player *player)
3838 DSTACK(__FUNCTION_NAME);
3839 std::ostringstream os(std::ios_base::binary);
3841 writeU16(os, TOCLIENT_MOVE_PLAYER);
3842 writeV3F1000(os, player->getPosition());
3843 writeF1000(os, player->getPitch());
3844 writeF1000(os, player->getYaw());
3847 v3f pos = player->getPosition();
3848 f32 pitch = player->getPitch();
3849 f32 yaw = player->getYaw();
3850 dstream<<"Server sending TOCLIENT_MOVE_PLAYER"
3851 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3858 std::string s = os.str();
3859 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3861 m_con.Send(player->peer_id, 0, data, true);
3864 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3865 core::list<u16> *far_players, float far_d_nodes)
3867 float maxd = far_d_nodes*BS;
3868 v3f p_f = intToFloat(p, BS);
3872 SharedBuffer<u8> reply(replysize);
3873 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3874 writeS16(&reply[2], p.X);
3875 writeS16(&reply[4], p.Y);
3876 writeS16(&reply[6], p.Z);
3878 for(core::map<u16, RemoteClient*>::Iterator
3879 i = m_clients.getIterator();
3880 i.atEnd() == false; i++)
3882 // Get client and check that it is valid
3883 RemoteClient *client = i.getNode()->getValue();
3884 assert(client->peer_id == i.getNode()->getKey());
3885 if(client->serialization_version == SER_FMT_VER_INVALID)
3888 // Don't send if it's the same one
3889 if(client->peer_id == ignore_id)
3895 Player *player = m_env.getPlayer(client->peer_id);
3898 // If player is far away, only set modified blocks not sent
3899 v3f player_pos = player->getPosition();
3900 if(player_pos.getDistanceFrom(p_f) > maxd)
3902 far_players->push_back(client->peer_id);
3909 m_con.Send(client->peer_id, 0, reply, true);
3913 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3914 core::list<u16> *far_players, float far_d_nodes)
3916 float maxd = far_d_nodes*BS;
3917 v3f p_f = intToFloat(p, BS);
3919 for(core::map<u16, RemoteClient*>::Iterator
3920 i = m_clients.getIterator();
3921 i.atEnd() == false; i++)
3923 // Get client and check that it is valid
3924 RemoteClient *client = i.getNode()->getValue();
3925 assert(client->peer_id == i.getNode()->getKey());
3926 if(client->serialization_version == SER_FMT_VER_INVALID)
3929 // Don't send if it's the same one
3930 if(client->peer_id == ignore_id)
3936 Player *player = m_env.getPlayer(client->peer_id);
3939 // If player is far away, only set modified blocks not sent
3940 v3f player_pos = player->getPosition();
3941 if(player_pos.getDistanceFrom(p_f) > maxd)
3943 far_players->push_back(client->peer_id);
3950 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3951 SharedBuffer<u8> reply(replysize);
3952 writeU16(&reply[0], TOCLIENT_ADDNODE);
3953 writeS16(&reply[2], p.X);
3954 writeS16(&reply[4], p.Y);
3955 writeS16(&reply[6], p.Z);
3956 n.serialize(&reply[8], client->serialization_version);
3959 m_con.Send(client->peer_id, 0, reply, true);
3963 void Server::setBlockNotSent(v3s16 p)
3965 for(core::map<u16, RemoteClient*>::Iterator
3966 i = m_clients.getIterator();
3967 i.atEnd()==false; i++)
3969 RemoteClient *client = i.getNode()->getValue();
3970 client->SetBlockNotSent(p);
3974 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
3976 DSTACK(__FUNCTION_NAME);
3978 v3s16 p = block->getPos();
3982 bool completely_air = true;
3983 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
3984 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
3985 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
3987 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
3989 completely_air = false;
3990 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
3995 dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
3997 dstream<<"[completely air] ";
4002 Create a packet with the block in the right format
4005 std::ostringstream os(std::ios_base::binary);
4006 block->serialize(os, ver);
4007 std::string s = os.str();
4008 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
4010 u32 replysize = 8 + blockdata.getSize();
4011 SharedBuffer<u8> reply(replysize);
4012 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
4013 writeS16(&reply[2], p.X);
4014 writeS16(&reply[4], p.Y);
4015 writeS16(&reply[6], p.Z);
4016 memcpy(&reply[8], *blockdata, blockdata.getSize());
4018 /*dstream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
4019 <<": \tpacket size: "<<replysize<<std::endl;*/
4024 m_con.Send(peer_id, 1, reply, true);
4027 void Server::SendBlocks(float dtime)
4029 DSTACK(__FUNCTION_NAME);
4031 JMutexAutoLock envlock(m_env_mutex);
4032 JMutexAutoLock conlock(m_con_mutex);
4034 //TimeTaker timer("Server::SendBlocks");
4036 core::array<PrioritySortedBlockTransfer> queue;
4038 s32 total_sending = 0;
4041 ScopeProfiler sp(&g_profiler, "Server: selecting blocks for sending");
4043 for(core::map<u16, RemoteClient*>::Iterator
4044 i = m_clients.getIterator();
4045 i.atEnd() == false; i++)
4047 RemoteClient *client = i.getNode()->getValue();
4048 assert(client->peer_id == i.getNode()->getKey());
4050 total_sending += client->SendingCount();
4052 if(client->serialization_version == SER_FMT_VER_INVALID)
4055 client->GetNextBlocks(this, dtime, queue);
4060 // Lowest priority number comes first.
4061 // Lowest is most important.
4064 for(u32 i=0; i<queue.size(); i++)
4066 //TODO: Calculate limit dynamically
4067 if(total_sending >= g_settings.getS32
4068 ("max_simultaneous_block_sends_server_total"))
4071 PrioritySortedBlockTransfer q = queue[i];
4073 MapBlock *block = NULL;
4076 block = m_env.getMap().getBlockNoCreate(q.pos);
4078 catch(InvalidPositionException &e)
4083 RemoteClient *client = getClient(q.peer_id);
4085 SendBlockNoLock(q.peer_id, block, client->serialization_version);
4087 client->SentBlock(q.pos);
4097 void Server::UpdateCrafting(u16 peer_id)
4099 DSTACK(__FUNCTION_NAME);
4101 Player* player = m_env.getPlayer(peer_id);
4105 Calculate crafting stuff
4107 if(g_settings.getBool("creative_mode") == false)
4109 InventoryList *clist = player->inventory.getList("craft");
4110 InventoryList *rlist = player->inventory.getList("craftresult");
4112 if(rlist->getUsedSlots() == 0)
4113 player->craftresult_is_preview = true;
4115 if(rlist && player->craftresult_is_preview)
4117 rlist->clearItems();
4119 if(clist && rlist && player->craftresult_is_preview)
4121 InventoryItem *items[9];
4122 for(u16 i=0; i<9; i++)
4124 items[i] = clist->getItem(i);
4127 // Get result of crafting grid
4128 InventoryItem *result = craft_get_result(items);
4130 rlist->addItem(result);
4133 } // if creative_mode == false
4136 RemoteClient* Server::getClient(u16 peer_id)
4138 DSTACK(__FUNCTION_NAME);
4139 //JMutexAutoLock lock(m_con_mutex);
4140 core::map<u16, RemoteClient*>::Node *n;
4141 n = m_clients.find(peer_id);
4142 // A client should exist for all peers
4144 return n->getValue();
4147 std::wstring Server::getStatusString()
4149 std::wostringstream os(std::ios_base::binary);
4152 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4154 os<<L", uptime="<<m_uptime.get();
4155 // Information about clients
4157 for(core::map<u16, RemoteClient*>::Iterator
4158 i = m_clients.getIterator();
4159 i.atEnd() == false; i++)
4161 // Get client and check that it is valid
4162 RemoteClient *client = i.getNode()->getValue();
4163 assert(client->peer_id == i.getNode()->getKey());
4164 if(client->serialization_version == SER_FMT_VER_INVALID)
4167 Player *player = m_env.getPlayer(client->peer_id);
4168 // Get name of player
4169 std::wstring name = L"unknown";
4171 name = narrow_to_wide(player->getName());
4172 // Add name to information string
4176 if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == false)
4177 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4178 if(g_settings.get("motd") != "")
4179 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings.get("motd"));
4183 v3f findSpawnPos(ServerMap &map)
4185 //return v3f(50,50,50)*BS;
4188 s16 groundheight = 0;
4191 nodepos = v2s16(0,0);
4196 // Try to find a good place a few times
4197 for(s32 i=0; i<1000; i++)
4200 // We're going to try to throw the player to this position
4201 nodepos = v2s16(-range + (myrand()%(range*2)),
4202 -range + (myrand()%(range*2)));
4203 v2s16 sectorpos = getNodeSectorPos(nodepos);
4204 // Get sector (NOTE: Don't get because it's slow)
4205 //m_env.getMap().emergeSector(sectorpos);
4206 // Get ground height at point (fallbacks to heightmap function)
4207 groundheight = map.findGroundLevel(nodepos);
4208 // Don't go underwater
4209 if(groundheight < WATER_LEVEL)
4211 //dstream<<"-> Underwater"<<std::endl;
4214 // Don't go to high places
4215 if(groundheight > WATER_LEVEL + 4)
4217 //dstream<<"-> Underwater"<<std::endl;
4221 // Found a good place
4222 //dstream<<"Searched through "<<i<<" places."<<std::endl;
4227 // If no suitable place was not found, go above water at least.
4228 if(groundheight < WATER_LEVEL)
4229 groundheight = WATER_LEVEL;
4231 return intToFloat(v3s16(
4238 Player *Server::emergePlayer(const char *name, const char *password, u16 peer_id)
4241 Try to get an existing player
4243 Player *player = m_env.getPlayer(name);
4246 // If player is already connected, cancel
4247 if(player->peer_id != 0)
4249 dstream<<"emergePlayer(): Player already connected"<<std::endl;
4254 player->peer_id = peer_id;
4256 // Reset inventory to creative if in creative mode
4257 if(g_settings.getBool("creative_mode"))
4259 // Warning: double code below
4260 // Backup actual inventory
4261 player->inventory_backup = new Inventory();
4262 *(player->inventory_backup) = player->inventory;
4263 // Set creative inventory
4264 craft_set_creative_inventory(player);
4271 If player with the wanted peer_id already exists, cancel.
4273 if(m_env.getPlayer(peer_id) != NULL)
4275 dstream<<"emergePlayer(): Player with wrong name but same"
4276 " peer_id already exists"<<std::endl;
4284 player = new ServerRemotePlayer();
4285 //player->peer_id = c.peer_id;
4286 //player->peer_id = PEER_ID_INEXISTENT;
4287 player->peer_id = peer_id;
4288 player->updateName(name);
4289 m_authmanager.add(name);
4290 m_authmanager.setPassword(name, password);
4291 m_authmanager.setPrivs(name,
4292 stringToPrivs(g_settings.get("default_privs")));
4298 dstream<<"Server: Finding spawn place for player \""
4299 <<player->getName()<<"\""<<std::endl;
4301 v3f pos = findSpawnPos(m_env.getServerMap());
4303 player->setPosition(pos);
4306 Add player to environment
4309 m_env.addPlayer(player);
4312 Add stuff to inventory
4315 if(g_settings.getBool("creative_mode"))
4317 // Warning: double code above
4318 // Backup actual inventory
4319 player->inventory_backup = new Inventory();
4320 *(player->inventory_backup) = player->inventory;
4321 // Set creative inventory
4322 craft_set_creative_inventory(player);
4324 else if(g_settings.getBool("give_initial_stuff"))
4326 craft_give_initial_stuff(player);
4331 } // create new player
4334 void Server::handlePeerChange(PeerChange &c)
4336 JMutexAutoLock envlock(m_env_mutex);
4337 JMutexAutoLock conlock(m_con_mutex);
4339 if(c.type == PEER_ADDED)
4346 core::map<u16, RemoteClient*>::Node *n;
4347 n = m_clients.find(c.peer_id);
4348 // The client shouldn't already exist
4352 RemoteClient *client = new RemoteClient();
4353 client->peer_id = c.peer_id;
4354 m_clients.insert(client->peer_id, client);
4357 else if(c.type == PEER_REMOVED)
4364 core::map<u16, RemoteClient*>::Node *n;
4365 n = m_clients.find(c.peer_id);
4366 // The client should exist
4370 Mark objects to be not known by the client
4372 RemoteClient *client = n->getValue();
4374 for(core::map<u16, bool>::Iterator
4375 i = client->m_known_objects.getIterator();
4376 i.atEnd()==false; i++)
4379 u16 id = i.getNode()->getKey();
4380 ServerActiveObject* obj = m_env.getActiveObject(id);
4382 if(obj && obj->m_known_by_count > 0)
4383 obj->m_known_by_count--;
4386 // Collect information about leaving in chat
4387 std::wstring message;
4389 std::wstring name = L"unknown";
4390 Player *player = m_env.getPlayer(c.peer_id);
4392 name = narrow_to_wide(player->getName());
4396 message += L" left game";
4398 message += L" (timed out)";
4403 m_env.removePlayer(c.peer_id);
4406 // Set player client disconnected
4408 Player *player = m_env.getPlayer(c.peer_id);
4410 player->peer_id = 0;
4414 delete m_clients[c.peer_id];
4415 m_clients.remove(c.peer_id);
4417 // Send player info to all remaining clients
4420 // Send leave chat message to all remaining clients
4421 BroadcastChatMessage(message);
4430 void Server::handlePeerChanges()
4432 while(m_peer_change_queue.size() > 0)
4434 PeerChange c = m_peer_change_queue.pop_front();
4436 dout_server<<"Server: Handling peer change: "
4437 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4440 handlePeerChange(c);
4444 u64 Server::getPlayerPrivs(Player *player)
4448 std::string playername = player->getName();
4449 // Local player gets all privileges regardless of
4450 // what's set on their account.
4451 if(g_settings.get("name") == playername)
4457 return getPlayerAuthPrivs(playername);
4461 void dedicated_server_loop(Server &server, bool &kill)
4463 DSTACK(__FUNCTION_NAME);
4465 dstream<<DTIME<<std::endl;
4466 dstream<<"========================"<<std::endl;
4467 dstream<<"Running dedicated server"<<std::endl;
4468 dstream<<"========================"<<std::endl;
4471 IntervalLimiter m_profiler_interval;
4475 // This is kind of a hack but can be done like this
4476 // because server.step() is very light
4478 ScopeProfiler sp(&g_profiler, "dedicated server sleep");
4483 if(server.getShutdownRequested() || kill)
4485 dstream<<DTIME<<" dedicated_server_loop(): Quitting."<<std::endl;
4492 float profiler_print_interval =
4493 g_settings.getFloat("profiler_print_interval");
4494 if(profiler_print_interval != 0)
4496 if(m_profiler_interval.step(0.030, profiler_print_interval))
4498 dstream<<"Profiler:"<<std::endl;
4499 g_profiler.print(dstream);
4507 static int counter = 0;
4513 core::list<PlayerInfo> list = server.getPlayerInfo();
4514 core::list<PlayerInfo>::Iterator i;
4515 static u32 sum_old = 0;
4516 u32 sum = PIChecksum(list);
4519 dstream<<DTIME<<"Player info:"<<std::endl;
4520 for(i=list.begin(); i!=list.end(); i++)
4522 i->PrintLine(&dstream);