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 Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser 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"
32 #include "serverobject.h"
37 #include "scriptapi.h"
42 #include "content_mapnode.h"
43 #include "content_nodemeta.h"
44 #include "content_abm.h"
45 #include "content_sao.h"
50 #include "sound.h" // dummySoundManager
51 #include "event_manager.h"
53 #include "util/string.h"
54 #include "util/pointedthing.h"
55 #include "util/mathconstants.h"
57 #include "util/serialize.h"
59 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
61 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
63 class MapEditEventIgnorer
66 MapEditEventIgnorer(bool *flag):
75 ~MapEditEventIgnorer()
88 class MapEditEventAreaIgnorer
91 MapEditEventAreaIgnorer(VoxelArea *ignorevariable, const VoxelArea &a):
92 m_ignorevariable(ignorevariable)
94 if(m_ignorevariable->getVolume() == 0)
95 *m_ignorevariable = a;
97 m_ignorevariable = NULL;
100 ~MapEditEventAreaIgnorer()
104 assert(m_ignorevariable->getVolume() != 0);
105 *m_ignorevariable = VoxelArea();
110 VoxelArea *m_ignorevariable;
113 void * ServerThread::Thread()
117 log_register_thread("ServerThread");
119 DSTACK(__FUNCTION_NAME);
121 BEGIN_DEBUG_EXCEPTION_HANDLER
126 //TimeTaker timer("AsyncRunStep() + Receive()");
129 //TimeTaker timer("AsyncRunStep()");
130 m_server->AsyncRunStep();
133 //infostream<<"Running m_server->Receive()"<<std::endl;
136 catch(con::NoIncomingDataException &e)
139 catch(con::PeerNotFoundException &e)
141 infostream<<"Server: PeerNotFoundException"<<std::endl;
143 catch(con::ConnectionBindFailed &e)
145 m_server->setAsyncFatalError(e.what());
149 m_server->setAsyncFatalError(e.what());
153 END_DEBUG_EXCEPTION_HANDLER(errorstream)
158 void * EmergeThread::Thread()
162 log_register_thread("EmergeThread");
164 DSTACK(__FUNCTION_NAME);
166 BEGIN_DEBUG_EXCEPTION_HANDLER
168 bool enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
170 v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
173 Get block info from queue, emerge them and send them
176 After queue is empty, exit.
180 QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
184 SharedPtr<QueuedBlockEmerge> q(qptr);
192 Do not generate over-limit
194 if(blockpos_over_limit(p))
197 //infostream<<"EmergeThread::Thread(): running"<<std::endl;
199 //TimeTaker timer("block emerge");
202 Try to emerge it from somewhere.
204 If it is only wanted as optional, only loading from disk
209 Check if any peer wants it as non-optional. In that case it
212 Also decrement the emerge queue count in clients.
215 bool only_from_disk = true;
218 core::map<u16, u8>::Iterator i;
219 for(i=q->peer_ids.getIterator(); i.atEnd()==false; i++)
221 //u16 peer_id = i.getNode()->getKey();
224 u8 flags = i.getNode()->getValue();
225 if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
226 only_from_disk = false;
231 if(enable_mapgen_debug_info)
232 infostream<<"EmergeThread: p="
233 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
234 <<"only_from_disk="<<only_from_disk<<std::endl;
236 ServerMap &map = ((ServerMap&)m_server->m_env->getMap());
238 MapBlock *block = NULL;
239 bool got_block = true;
240 core::map<v3s16, MapBlock*> modified_blocks;
243 Try to fetch block from memory or disk.
244 If not found and asked to generate, initialize generator.
247 bool started_generate = false;
248 mapgen::BlockMakeData data;
251 JMutexAutoLock envlock(m_server->m_env_mutex);
253 // Load sector if it isn't loaded
254 if(map.getSectorNoGenerateNoEx(p2d) == NULL)
255 map.loadSectorMeta(p2d);
257 // Attempt to load block
258 block = map.getBlockNoCreateNoEx(p);
259 if(!block || block->isDummy() || !block->isGenerated())
261 if(enable_mapgen_debug_info)
262 infostream<<"EmergeThread: not in memory, "
263 <<"attempting to load from disk"<<std::endl;
265 block = map.loadBlock(p);
268 // If could not load and allowed to generate, start generation
269 // inside this same envlock
270 if(only_from_disk == false &&
271 (block == NULL || block->isGenerated() == false)){
272 if(enable_mapgen_debug_info)
273 infostream<<"EmergeThread: generating"<<std::endl;
274 started_generate = true;
276 map.initBlockMake(&data, p);
281 If generator was initialized, generate now when envlock is free.
286 ScopeProfiler sp(g_profiler, "EmergeThread: mapgen::make_block",
288 TimeTaker t("mapgen::make_block()");
290 mapgen::make_block(&data);
292 if(enable_mapgen_debug_info == false)
293 t.stop(true); // Hide output
297 // Lock environment again to access the map
298 JMutexAutoLock envlock(m_server->m_env_mutex);
300 ScopeProfiler sp(g_profiler, "EmergeThread: after "
301 "mapgen::make_block (envlock)", SPT_AVG);
303 // Blit data back on map, update lighting, add mobs and
304 // whatever this does
305 map.finishBlockMake(&data, modified_blocks);
308 block = map.getBlockNoCreateNoEx(p);
310 // If block doesn't exist, don't try doing anything with it
311 // This happens if the block is not in generation boundaries
316 Do some post-generate stuff
319 v3s16 minp = data.blockpos_min*MAP_BLOCKSIZE;
320 v3s16 maxp = data.blockpos_max*MAP_BLOCKSIZE +
321 v3s16(1,1,1)*(MAP_BLOCKSIZE-1);
324 Ignore map edit events, they will not need to be
325 sent to anybody because the block hasn't been sent
328 //MapEditEventIgnorer ign(&m_server->m_ignore_map_edit_events);
329 MapEditEventAreaIgnorer ign(
330 &m_server->m_ignore_map_edit_events_area,
331 VoxelArea(minp, maxp));
333 TimeTaker timer("on_generated");
334 scriptapi_environment_on_generated(m_server->m_lua,
335 minp, maxp, mapgen::get_blockseed(data.seed, minp));
336 /*int t = timer.stop(true);
337 dstream<<"on_generated took "<<t<<"ms"<<std::endl;*/
340 if(enable_mapgen_debug_info)
341 infostream<<"EmergeThread: ended up with: "
342 <<analyze_block(block)<<std::endl;
344 // Activate objects and stuff
345 m_server->m_env->activateBlock(block, 0);
353 Set sent status of modified blocks on clients
356 // NOTE: Server's clients are also behind the connection mutex
357 JMutexAutoLock lock(m_server->m_con_mutex);
360 Add the originally fetched block to the modified list
364 modified_blocks.insert(p, block);
368 Set the modified blocks unsent for all the clients
371 for(core::map<u16, RemoteClient*>::Iterator
372 i = m_server->m_clients.getIterator();
373 i.atEnd() == false; i++)
375 RemoteClient *client = i.getNode()->getValue();
377 if(modified_blocks.size() > 0)
379 // Remove block from sent history
380 client->SetBlocksNotSent(modified_blocks);
384 catch(VersionMismatchException &e)
386 std::ostringstream err;
387 err<<"World data version mismatch in MapBlock "<<PP(last_tried_pos)<<std::endl;
388 err<<"----"<<std::endl;
389 err<<"\""<<e.what()<<"\""<<std::endl;
390 err<<"See debug.txt."<<std::endl;
391 err<<"World probably saved by a newer version of Minetest."<<std::endl;
392 m_server->setAsyncFatalError(err.str());
394 catch(SerializationError &e)
396 std::ostringstream err;
397 err<<"Invalid data in MapBlock "<<PP(last_tried_pos)<<std::endl;
398 err<<"----"<<std::endl;
399 err<<"\""<<e.what()<<"\""<<std::endl;
400 err<<"See debug.txt."<<std::endl;
401 err<<"You can ignore this using [ignore_world_load_errors = true]."<<std::endl;
402 m_server->setAsyncFatalError(err.str());
405 END_DEBUG_EXCEPTION_HANDLER(errorstream)
407 log_deregister_thread();
412 v3f ServerSoundParams::getPos(ServerEnvironment *env, bool *pos_exists) const
414 if(pos_exists) *pos_exists = false;
419 if(pos_exists) *pos_exists = true;
424 ServerActiveObject *sao = env->getActiveObject(object);
427 if(pos_exists) *pos_exists = true;
428 return sao->getBasePosition(); }
433 void RemoteClient::GetNextBlocks(Server *server, float dtime,
434 core::array<PrioritySortedBlockTransfer> &dest)
436 DSTACK(__FUNCTION_NAME);
439 TimeTaker timer("RemoteClient::GetNextBlocks", &timer_result);*/
442 m_nothing_to_send_pause_timer -= dtime;
443 m_nearest_unsent_reset_timer += dtime;
445 if(m_nothing_to_send_pause_timer >= 0)
448 Player *player = server->m_env->getPlayer(peer_id);
449 // This can happen sometimes; clients and players are not in perfect sync.
453 // Won't send anything if already sending
454 if(m_blocks_sending.size() >= g_settings->getU16
455 ("max_simultaneous_block_sends_per_client"))
457 //infostream<<"Not sending any blocks, Queue full."<<std::endl;
461 //TimeTaker timer("RemoteClient::GetNextBlocks");
463 v3f playerpos = player->getPosition();
464 v3f playerspeed = player->getSpeed();
465 v3f playerspeeddir(0,0,0);
466 if(playerspeed.getLength() > 1.0*BS)
467 playerspeeddir = playerspeed / playerspeed.getLength();
468 // Predict to next block
469 v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
471 v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
473 v3s16 center = getNodeBlockPos(center_nodepos);
475 // Camera position and direction
476 v3f camera_pos = player->getEyePosition();
477 v3f camera_dir = v3f(0,0,1);
478 camera_dir.rotateYZBy(player->getPitch());
479 camera_dir.rotateXZBy(player->getYaw());
481 /*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
482 <<camera_dir.Z<<")"<<std::endl;*/
485 Get the starting value of the block finder radius.
488 if(m_last_center != center)
490 m_nearest_unsent_d = 0;
491 m_last_center = center;
494 /*infostream<<"m_nearest_unsent_reset_timer="
495 <<m_nearest_unsent_reset_timer<<std::endl;*/
497 // Reset periodically to workaround for some bugs or stuff
498 if(m_nearest_unsent_reset_timer > 20.0)
500 m_nearest_unsent_reset_timer = 0;
501 m_nearest_unsent_d = 0;
502 //infostream<<"Resetting m_nearest_unsent_d for "
503 // <<server->getPlayerName(peer_id)<<std::endl;
506 //s16 last_nearest_unsent_d = m_nearest_unsent_d;
507 s16 d_start = m_nearest_unsent_d;
509 //infostream<<"d_start="<<d_start<<std::endl;
511 u16 max_simul_sends_setting = g_settings->getU16
512 ("max_simultaneous_block_sends_per_client");
513 u16 max_simul_sends_usually = max_simul_sends_setting;
516 Check the time from last addNode/removeNode.
518 Decrease send rate if player is building stuff.
520 m_time_from_building += dtime;
521 if(m_time_from_building < g_settings->getFloat(
522 "full_block_send_enable_min_time_from_building"))
524 max_simul_sends_usually
525 = LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
529 Number of blocks sending + number of blocks selected for sending
531 u32 num_blocks_selected = m_blocks_sending.size();
534 next time d will be continued from the d from which the nearest
535 unsent block was found this time.
537 This is because not necessarily any of the blocks found this
538 time are actually sent.
540 s32 new_nearest_unsent_d = -1;
542 s16 d_max = g_settings->getS16("max_block_send_distance");
543 s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
545 // Don't loop very much at a time
546 s16 max_d_increment_at_time = 2;
547 if(d_max > d_start + max_d_increment_at_time)
548 d_max = d_start + max_d_increment_at_time;
549 /*if(d_max_gen > d_start+2)
550 d_max_gen = d_start+2;*/
552 //infostream<<"Starting from "<<d_start<<std::endl;
554 s32 nearest_emerged_d = -1;
555 s32 nearest_emergefull_d = -1;
556 s32 nearest_sent_d = -1;
557 bool queue_is_full = false;
560 for(d = d_start; d <= d_max; d++)
562 /*errorstream<<"checking d="<<d<<" for "
563 <<server->getPlayerName(peer_id)<<std::endl;*/
564 //infostream<<"RemoteClient::SendBlocks(): d="<<d<<std::endl;
567 If m_nearest_unsent_d was changed by the EmergeThread
568 (it can change it to 0 through SetBlockNotSent),
570 Else update m_nearest_unsent_d
572 /*if(m_nearest_unsent_d != last_nearest_unsent_d)
574 d = m_nearest_unsent_d;
575 last_nearest_unsent_d = m_nearest_unsent_d;
579 Get the border/face dot coordinates of a "d-radiused"
582 core::list<v3s16> list;
583 getFacePositions(list, d);
585 core::list<v3s16>::Iterator li;
586 for(li=list.begin(); li!=list.end(); li++)
588 v3s16 p = *li + center;
592 - Don't allow too many simultaneous transfers
593 - EXCEPT when the blocks are very close
595 Also, don't send blocks that are already flying.
598 // Start with the usual maximum
599 u16 max_simul_dynamic = max_simul_sends_usually;
601 // If block is very close, allow full maximum
602 if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
603 max_simul_dynamic = max_simul_sends_setting;
605 // Don't select too many blocks for sending
606 if(num_blocks_selected >= max_simul_dynamic)
608 queue_is_full = true;
609 goto queue_full_break;
612 // Don't send blocks that are currently being transferred
613 if(m_blocks_sending.find(p) != NULL)
619 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
620 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
621 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
622 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
623 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
624 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
627 // If this is true, inexistent block will be made from scratch
628 bool generate = d <= d_max_gen;
631 /*// Limit the generating area vertically to 2/3
632 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
635 // Limit the send area vertically to 1/2
636 if(abs(p.Y - center.Y) > d_max / 2)
642 If block is far away, don't generate it unless it is
648 // Block center y in nodes
649 f32 y = (f32)(p.Y * MAP_BLOCKSIZE + MAP_BLOCKSIZE/2);
650 // Don't generate if it's very high or very low
651 if(y < -64 || y > 64)
655 v2s16 p2d_nodes_center(
659 // Get ground height in nodes
660 s16 gh = server->m_env->getServerMap().findGroundLevel(
663 // If differs a lot, don't generate
664 if(fabs(gh - y) > MAP_BLOCKSIZE*2)
666 // Actually, don't even send it
672 //infostream<<"d="<<d<<std::endl;
675 Don't generate or send if not in sight
676 FIXME This only works if the client uses a small enough
677 FOV setting. The default of 72 degrees is fine.
680 float camera_fov = (72.0*M_PI/180) * 4./3.;
681 if(isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
687 Don't send already sent blocks
690 if(m_blocks_sent.find(p) != NULL)
697 Check if map has this block
699 MapBlock *block = server->m_env->getMap().getBlockNoCreateNoEx(p);
701 bool surely_not_found_on_disk = false;
702 bool block_is_invalid = false;
705 // Reset usage timer, this block will be of use in the future.
706 block->resetUsageTimer();
708 // Block is dummy if data doesn't exist.
709 // It means it has been not found from disk and not generated
712 surely_not_found_on_disk = true;
715 // Block is valid if lighting is up-to-date and data exists
716 if(block->isValid() == false)
718 block_is_invalid = true;
721 /*if(block->isFullyGenerated() == false)
723 block_is_invalid = true;
728 ServerMap *map = (ServerMap*)(&server->m_env->getMap());
729 v2s16 chunkpos = map->sector_to_chunk(p2d);
730 if(map->chunkNonVolatile(chunkpos) == false)
731 block_is_invalid = true;
733 if(block->isGenerated() == false)
734 block_is_invalid = true;
737 If block is not close, don't send it unless it is near
740 Block is near ground level if night-time mesh
741 differs from day-time mesh.
745 if(block->getDayNightDiff() == false)
752 If block has been marked to not exist on disk (dummy)
753 and generating new ones is not wanted, skip block.
755 if(generate == false && surely_not_found_on_disk == true)
762 Add inexistent block to emerge queue.
764 if(block == NULL || surely_not_found_on_disk || block_is_invalid)
766 //TODO: Get value from somewhere
767 // Allow only one block in emerge queue
768 //if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
769 // Allow two blocks in queue per client
770 //if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
772 // Make it more responsive when needing to generate stuff
773 if(surely_not_found_on_disk)
775 if(server->m_emerge_queue.peerItemCount(peer_id) < max_emerge)
777 //infostream<<"Adding block to emerge queue"<<std::endl;
779 // Add it to the emerge queue and trigger the thread
782 if(generate == false)
783 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
785 server->m_emerge_queue.addBlock(peer_id, p, flags);
786 server->m_emergethread.trigger();
788 if(nearest_emerged_d == -1)
789 nearest_emerged_d = d;
791 if(nearest_emergefull_d == -1)
792 nearest_emergefull_d = d;
799 if(nearest_sent_d == -1)
803 Add block to send queue
806 /*errorstream<<"sending from d="<<d<<" to "
807 <<server->getPlayerName(peer_id)<<std::endl;*/
809 PrioritySortedBlockTransfer q((float)d, p, peer_id);
813 num_blocks_selected += 1;
818 //infostream<<"Stopped at "<<d<<std::endl;
820 // If nothing was found for sending and nothing was queued for
821 // emerging, continue next time browsing from here
822 if(nearest_emerged_d != -1){
823 new_nearest_unsent_d = nearest_emerged_d;
824 } else if(nearest_emergefull_d != -1){
825 new_nearest_unsent_d = nearest_emergefull_d;
827 if(d > g_settings->getS16("max_block_send_distance")){
828 new_nearest_unsent_d = 0;
829 m_nothing_to_send_pause_timer = 2.0;
830 /*infostream<<"GetNextBlocks(): d wrapped around for "
831 <<server->getPlayerName(peer_id)
832 <<"; setting to 0 and pausing"<<std::endl;*/
834 if(nearest_sent_d != -1)
835 new_nearest_unsent_d = nearest_sent_d;
837 new_nearest_unsent_d = d;
841 if(new_nearest_unsent_d != -1)
842 m_nearest_unsent_d = new_nearest_unsent_d;
844 /*timer_result = timer.stop(true);
845 if(timer_result != 0)
846 infostream<<"GetNextBlocks timeout: "<<timer_result<<" (!=0)"<<std::endl;*/
849 void RemoteClient::GotBlock(v3s16 p)
851 if(m_blocks_sending.find(p) != NULL)
852 m_blocks_sending.remove(p);
855 /*infostream<<"RemoteClient::GotBlock(): Didn't find in"
856 " m_blocks_sending"<<std::endl;*/
857 m_excess_gotblocks++;
859 m_blocks_sent.insert(p, true);
862 void RemoteClient::SentBlock(v3s16 p)
864 if(m_blocks_sending.find(p) == NULL)
865 m_blocks_sending.insert(p, 0.0);
867 infostream<<"RemoteClient::SentBlock(): Sent block"
868 " already in m_blocks_sending"<<std::endl;
871 void RemoteClient::SetBlockNotSent(v3s16 p)
873 m_nearest_unsent_d = 0;
875 if(m_blocks_sending.find(p) != NULL)
876 m_blocks_sending.remove(p);
877 if(m_blocks_sent.find(p) != NULL)
878 m_blocks_sent.remove(p);
881 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
883 m_nearest_unsent_d = 0;
885 for(core::map<v3s16, MapBlock*>::Iterator
886 i = blocks.getIterator();
887 i.atEnd()==false; i++)
889 v3s16 p = i.getNode()->getKey();
891 if(m_blocks_sending.find(p) != NULL)
892 m_blocks_sending.remove(p);
893 if(m_blocks_sent.find(p) != NULL)
894 m_blocks_sent.remove(p);
902 PlayerInfo::PlayerInfo()
908 void PlayerInfo::PrintLine(std::ostream *s)
911 (*s)<<"\""<<name<<"\" ("
912 <<(position.X/10)<<","<<(position.Y/10)
913 <<","<<(position.Z/10)<<") ";
915 (*s)<<" avg_rtt="<<avg_rtt;
924 const std::string &path_world,
925 const std::string &path_config,
926 const SubgameSpec &gamespec,
927 bool simple_singleplayer_mode
929 m_path_world(path_world),
930 m_path_config(path_config),
931 m_gamespec(gamespec),
932 m_simple_singleplayer_mode(simple_singleplayer_mode),
933 m_async_fatal_error(""),
935 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
936 m_banmanager(path_world+DIR_DELIM+"ipban.txt"),
938 m_rollback_sink_enabled(true),
939 m_enable_rollback_recording(false),
941 m_itemdef(createItemDefManager()),
942 m_nodedef(createNodeDefManager()),
943 m_craftdef(createCraftDefManager()),
944 m_event(new EventManager()),
946 m_emergethread(this),
947 m_time_of_day_send_timer(0),
949 m_shutdown_requested(false),
950 m_ignore_map_edit_events(false),
951 m_ignore_map_edit_events_peer_id(0)
953 m_liquid_transform_timer = 0.0;
954 m_print_info_timer = 0.0;
955 m_objectdata_timer = 0.0;
956 m_emergethread_trigger_timer = 0.0;
957 m_savemap_timer = 0.0;
961 m_step_dtime_mutex.Init();
965 throw ServerError("Supplied empty world path");
967 if(!gamespec.isValid())
968 throw ServerError("Supplied invalid gamespec");
970 infostream<<"Server created for gameid \""<<m_gamespec.id<<"\"";
971 if(m_simple_singleplayer_mode)
972 infostream<<" in simple singleplayer mode"<<std::endl;
974 infostream<<std::endl;
975 infostream<<"- world: "<<m_path_world<<std::endl;
976 infostream<<"- config: "<<m_path_config<<std::endl;
977 infostream<<"- game: "<<m_gamespec.path<<std::endl;
979 // Create rollback manager
980 std::string rollback_path = m_path_world+DIR_DELIM+"rollback.txt";
981 m_rollback = createRollbackManager(rollback_path, this);
983 // Add world mod search path
984 m_modspaths.push_front(m_path_world + DIR_DELIM + "worldmods");
985 // Add addon mod search path
986 for(std::set<std::string>::const_iterator i = m_gamespec.mods_paths.begin();
987 i != m_gamespec.mods_paths.end(); i++)
988 m_modspaths.push_front((*i));
990 // Print out mod search paths
991 for(core::list<std::string>::Iterator i = m_modspaths.begin();
992 i != m_modspaths.end(); i++){
993 std::string modspath = *i;
994 infostream<<"- mods: "<<modspath<<std::endl;
997 // Path to builtin.lua
998 std::string builtinpath = getBuiltinLuaPath() + DIR_DELIM + "builtin.lua";
1000 // Create world if it doesn't exist
1001 if(!initializeWorld(m_path_world, m_gamespec.id))
1002 throw ServerError("Failed to initialize world");
1005 JMutexAutoLock envlock(m_env_mutex);
1006 JMutexAutoLock conlock(m_con_mutex);
1008 // Initialize scripting
1010 infostream<<"Server: Initializing Lua"<<std::endl;
1011 m_lua = script_init();
1014 scriptapi_export(m_lua, this);
1015 // Load and run builtin.lua
1016 infostream<<"Server: Loading builtin.lua [\""
1017 <<builtinpath<<"\"]"<<std::endl;
1018 bool success = scriptapi_loadmod(m_lua, builtinpath, "__builtin");
1020 errorstream<<"Server: Failed to load and run "
1021 <<builtinpath<<std::endl;
1022 throw ModError("Failed to load and run "+builtinpath);
1024 // Find mods in mod search paths
1025 m_mods = getMods(m_modspaths);
1027 infostream<<"Server: Loading mods: ";
1028 for(core::list<ModSpec>::Iterator i = m_mods.begin();
1029 i != m_mods.end(); i++){
1030 const ModSpec &mod = *i;
1031 infostream<<mod.name<<" ";
1033 infostream<<std::endl;
1034 // Load and run "mod" scripts
1035 for(core::list<ModSpec>::Iterator i = m_mods.begin();
1036 i != m_mods.end(); i++){
1037 const ModSpec &mod = *i;
1038 std::string scriptpath = mod.path + DIR_DELIM + "init.lua";
1039 infostream<<" ["<<padStringRight(mod.name, 12)<<"] [\""
1040 <<scriptpath<<"\"]"<<std::endl;
1041 bool success = scriptapi_loadmod(m_lua, scriptpath, mod.name);
1043 errorstream<<"Server: Failed to load and run "
1044 <<scriptpath<<std::endl;
1045 throw ModError("Failed to load and run "+scriptpath);
1049 // Read Textures and calculate sha1 sums
1052 // Apply item aliases in the node definition manager
1053 m_nodedef->updateAliases(m_itemdef);
1055 // Initialize Environment
1057 m_env = new ServerEnvironment(new ServerMap(path_world, this), m_lua,
1060 // Give environment reference to scripting api
1061 scriptapi_add_environment(m_lua, m_env);
1063 // Register us to receive map edit events
1064 m_env->getMap().addEventReceiver(this);
1066 // If file exists, load environment metadata
1067 if(fs::PathExists(m_path_world+DIR_DELIM+"env_meta.txt"))
1069 infostream<<"Server: Loading environment metadata"<<std::endl;
1070 m_env->loadMeta(m_path_world);
1074 infostream<<"Server: Loading players"<<std::endl;
1075 m_env->deSerializePlayers(m_path_world);
1078 Add some test ActiveBlockModifiers to environment
1080 add_legacy_abms(m_env, m_nodedef);
1085 infostream<<"Server destructing"<<std::endl;
1088 Send shutdown message
1091 JMutexAutoLock conlock(m_con_mutex);
1093 std::wstring line = L"*** Server shutting down";
1096 Send the message to clients
1098 for(core::map<u16, RemoteClient*>::Iterator
1099 i = m_clients.getIterator();
1100 i.atEnd() == false; i++)
1102 // Get client and check that it is valid
1103 RemoteClient *client = i.getNode()->getValue();
1104 assert(client->peer_id == i.getNode()->getKey());
1105 if(client->serialization_version == SER_FMT_VER_INVALID)
1109 SendChatMessage(client->peer_id, line);
1111 catch(con::PeerNotFoundException &e)
1117 JMutexAutoLock envlock(m_env_mutex);
1122 infostream<<"Server: Saving players"<<std::endl;
1123 m_env->serializePlayers(m_path_world);
1126 Save environment metadata
1128 infostream<<"Server: Saving environment metadata"<<std::endl;
1129 m_env->saveMeta(m_path_world);
1141 JMutexAutoLock clientslock(m_con_mutex);
1143 for(core::map<u16, RemoteClient*>::Iterator
1144 i = m_clients.getIterator();
1145 i.atEnd() == false; i++)
1148 // NOTE: These are removed by env destructor
1150 u16 peer_id = i.getNode()->getKey();
1151 JMutexAutoLock envlock(m_env_mutex);
1152 m_env->removePlayer(peer_id);
1156 delete i.getNode()->getValue();
1160 // Delete things in the reverse order of creation
1168 // Deinitialize scripting
1169 infostream<<"Server: Deinitializing scripting"<<std::endl;
1170 script_deinit(m_lua);
1172 // Delete detached inventories
1174 for(std::map<std::string, Inventory*>::iterator
1175 i = m_detached_inventories.begin();
1176 i != m_detached_inventories.end(); i++){
1182 void Server::start(unsigned short port)
1184 DSTACK(__FUNCTION_NAME);
1185 infostream<<"Starting server on port "<<port<<"..."<<std::endl;
1187 // Stop thread if already running
1190 // Initialize connection
1191 m_con.SetTimeoutMs(30);
1195 m_thread.setRun(true);
1198 // ASCII art for the win!
1200 <<" .__ __ __ "<<std::endl
1201 <<" _____ |__| ____ _____/ |_ ____ _______/ |_ "<<std::endl
1202 <<" / \\| |/ \\_/ __ \\ __\\/ __ \\ / ___/\\ __\\"<<std::endl
1203 <<"| Y Y \\ | | \\ ___/| | \\ ___/ \\___ \\ | | "<<std::endl
1204 <<"|__|_| /__|___| /\\___ >__| \\___ >____ > |__| "<<std::endl
1205 <<" \\/ \\/ \\/ \\/ \\/ "<<std::endl;
1206 actionstream<<"World at ["<<m_path_world<<"]"<<std::endl;
1207 actionstream<<"Server for gameid=\""<<m_gamespec.id
1208 <<"\" listening on port "<<port<<"."<<std::endl;
1213 DSTACK(__FUNCTION_NAME);
1215 infostream<<"Server: Stopping and waiting threads"<<std::endl;
1217 // Stop threads (set run=false first so both start stopping)
1218 m_thread.setRun(false);
1219 m_emergethread.setRun(false);
1221 m_emergethread.stop();
1223 infostream<<"Server: Threads stopped"<<std::endl;
1226 void Server::step(float dtime)
1228 DSTACK(__FUNCTION_NAME);
1233 JMutexAutoLock lock(m_step_dtime_mutex);
1234 m_step_dtime += dtime;
1236 // Throw if fatal error occurred in thread
1237 std::string async_err = m_async_fatal_error.get();
1238 if(async_err != ""){
1239 throw ServerError(async_err);
1243 void Server::AsyncRunStep()
1245 DSTACK(__FUNCTION_NAME);
1247 g_profiler->add("Server::AsyncRunStep (num)", 1);
1251 JMutexAutoLock lock1(m_step_dtime_mutex);
1252 dtime = m_step_dtime;
1256 // Send blocks to clients
1263 g_profiler->add("Server::AsyncRunStep with dtime (num)", 1);
1265 //infostream<<"Server steps "<<dtime<<std::endl;
1266 //infostream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1269 JMutexAutoLock lock1(m_step_dtime_mutex);
1270 m_step_dtime -= dtime;
1277 m_uptime.set(m_uptime.get() + dtime);
1281 // Process connection's timeouts
1282 JMutexAutoLock lock2(m_con_mutex);
1283 ScopeProfiler sp(g_profiler, "Server: connection timeout processing");
1284 m_con.RunTimeouts(dtime);
1288 // This has to be called so that the client list gets synced
1289 // with the peer list of the connection
1290 handlePeerChanges();
1294 Update time of day and overall game time
1297 JMutexAutoLock envlock(m_env_mutex);
1299 m_env->setTimeOfDaySpeed(g_settings->getFloat("time_speed"));
1302 Send to clients at constant intervals
1305 m_time_of_day_send_timer -= dtime;
1306 if(m_time_of_day_send_timer < 0.0)
1308 m_time_of_day_send_timer = g_settings->getFloat("time_send_interval");
1310 //JMutexAutoLock envlock(m_env_mutex);
1311 JMutexAutoLock conlock(m_con_mutex);
1313 for(core::map<u16, RemoteClient*>::Iterator
1314 i = m_clients.getIterator();
1315 i.atEnd() == false; i++)
1317 RemoteClient *client = i.getNode()->getValue();
1318 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1319 m_env->getTimeOfDay(), g_settings->getFloat("time_speed"));
1321 m_con.Send(client->peer_id, 0, data, true);
1327 JMutexAutoLock lock(m_env_mutex);
1329 ScopeProfiler sp(g_profiler, "SEnv step");
1330 ScopeProfiler sp2(g_profiler, "SEnv step avg", SPT_AVG);
1334 const float map_timer_and_unload_dtime = 2.92;
1335 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
1337 JMutexAutoLock lock(m_env_mutex);
1338 // Run Map's timers and unload unused data
1339 ScopeProfiler sp(g_profiler, "Server: map timer and unload");
1340 m_env->getMap().timerUpdate(map_timer_and_unload_dtime,
1341 g_settings->getFloat("server_unload_unused_data_timeout"));
1352 JMutexAutoLock lock(m_env_mutex);
1353 JMutexAutoLock lock2(m_con_mutex);
1355 ScopeProfiler sp(g_profiler, "Server: handle players");
1357 for(core::map<u16, RemoteClient*>::Iterator
1358 i = m_clients.getIterator();
1359 i.atEnd() == false; i++)
1361 RemoteClient *client = i.getNode()->getValue();
1362 PlayerSAO *playersao = getPlayerSAO(client->peer_id);
1363 if(playersao == NULL)
1367 Handle player HPs (die if hp=0)
1369 if(playersao->getHP() == 0 && playersao->m_hp_not_sent)
1370 DiePlayer(client->peer_id);
1373 Send player inventories and HPs if necessary
1375 if(playersao->m_moved){
1376 SendMovePlayer(client->peer_id);
1377 playersao->m_moved = false;
1379 if(playersao->m_inventory_not_sent){
1380 UpdateCrafting(client->peer_id);
1381 SendInventory(client->peer_id);
1383 if(playersao->m_hp_not_sent){
1384 SendPlayerHP(client->peer_id);
1389 /* Transform liquids */
1390 m_liquid_transform_timer += dtime;
1391 if(m_liquid_transform_timer >= 1.00)
1393 m_liquid_transform_timer -= 1.00;
1395 JMutexAutoLock lock(m_env_mutex);
1397 ScopeProfiler sp(g_profiler, "Server: liquid transform");
1399 core::map<v3s16, MapBlock*> modified_blocks;
1400 m_env->getMap().transformLiquids(modified_blocks);
1405 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1406 ServerMap &map = ((ServerMap&)m_env->getMap());
1407 map.updateLighting(modified_blocks, lighting_modified_blocks);
1409 // Add blocks modified by lighting to modified_blocks
1410 for(core::map<v3s16, MapBlock*>::Iterator
1411 i = lighting_modified_blocks.getIterator();
1412 i.atEnd() == false; i++)
1414 MapBlock *block = i.getNode()->getValue();
1415 modified_blocks.insert(block->getPos(), block);
1419 Set the modified blocks unsent for all the clients
1422 JMutexAutoLock lock2(m_con_mutex);
1424 for(core::map<u16, RemoteClient*>::Iterator
1425 i = m_clients.getIterator();
1426 i.atEnd() == false; i++)
1428 RemoteClient *client = i.getNode()->getValue();
1430 if(modified_blocks.size() > 0)
1432 // Remove block from sent history
1433 client->SetBlocksNotSent(modified_blocks);
1438 // Periodically print some info
1440 float &counter = m_print_info_timer;
1446 JMutexAutoLock lock2(m_con_mutex);
1448 if(m_clients.size() != 0)
1449 infostream<<"Players:"<<std::endl;
1450 for(core::map<u16, RemoteClient*>::Iterator
1451 i = m_clients.getIterator();
1452 i.atEnd() == false; i++)
1454 //u16 peer_id = i.getNode()->getKey();
1455 RemoteClient *client = i.getNode()->getValue();
1456 Player *player = m_env->getPlayer(client->peer_id);
1459 infostream<<"* "<<player->getName()<<"\t";
1460 client->PrintInfo(infostream);
1465 //if(g_settings->getBool("enable_experimental"))
1469 Check added and deleted active objects
1472 //infostream<<"Server: Checking added and deleted active objects"<<std::endl;
1473 JMutexAutoLock envlock(m_env_mutex);
1474 JMutexAutoLock conlock(m_con_mutex);
1476 ScopeProfiler sp(g_profiler, "Server: checking added and deleted objs");
1478 // Radius inside which objects are active
1479 s16 radius = g_settings->getS16("active_object_send_range_blocks");
1480 radius *= MAP_BLOCKSIZE;
1482 for(core::map<u16, RemoteClient*>::Iterator
1483 i = m_clients.getIterator();
1484 i.atEnd() == false; i++)
1486 RemoteClient *client = i.getNode()->getValue();
1488 // If definitions and textures have not been sent, don't
1489 // send objects either
1490 if(!client->definitions_sent)
1493 Player *player = m_env->getPlayer(client->peer_id);
1496 // This can happen if the client timeouts somehow
1497 /*infostream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
1499 <<" has no associated player"<<std::endl;*/
1502 v3s16 pos = floatToInt(player->getPosition(), BS);
1504 core::map<u16, bool> removed_objects;
1505 core::map<u16, bool> added_objects;
1506 m_env->getRemovedActiveObjects(pos, radius,
1507 client->m_known_objects, removed_objects);
1508 m_env->getAddedActiveObjects(pos, radius,
1509 client->m_known_objects, added_objects);
1511 // Ignore if nothing happened
1512 if(removed_objects.size() == 0 && added_objects.size() == 0)
1514 //infostream<<"active objects: none changed"<<std::endl;
1518 std::string data_buffer;
1522 // Handle removed objects
1523 writeU16((u8*)buf, removed_objects.size());
1524 data_buffer.append(buf, 2);
1525 for(core::map<u16, bool>::Iterator
1526 i = removed_objects.getIterator();
1527 i.atEnd()==false; i++)
1530 u16 id = i.getNode()->getKey();
1531 ServerActiveObject* obj = m_env->getActiveObject(id);
1533 // Add to data buffer for sending
1534 writeU16((u8*)buf, i.getNode()->getKey());
1535 data_buffer.append(buf, 2);
1537 // Remove from known objects
1538 client->m_known_objects.remove(i.getNode()->getKey());
1540 if(obj && obj->m_known_by_count > 0)
1541 obj->m_known_by_count--;
1544 // Handle added objects
1545 writeU16((u8*)buf, added_objects.size());
1546 data_buffer.append(buf, 2);
1547 for(core::map<u16, bool>::Iterator
1548 i = added_objects.getIterator();
1549 i.atEnd()==false; i++)
1552 u16 id = i.getNode()->getKey();
1553 ServerActiveObject* obj = m_env->getActiveObject(id);
1556 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1558 infostream<<"WARNING: "<<__FUNCTION_NAME
1559 <<": NULL object"<<std::endl;
1561 type = obj->getSendType();
1563 // Add to data buffer for sending
1564 writeU16((u8*)buf, id);
1565 data_buffer.append(buf, 2);
1566 writeU8((u8*)buf, type);
1567 data_buffer.append(buf, 1);
1570 data_buffer.append(serializeLongString(
1571 obj->getClientInitializationData()));
1573 data_buffer.append(serializeLongString(""));
1575 // Add to known objects
1576 client->m_known_objects.insert(i.getNode()->getKey(), false);
1579 obj->m_known_by_count++;
1583 SharedBuffer<u8> reply(2 + data_buffer.size());
1584 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1585 memcpy((char*)&reply[2], data_buffer.c_str(),
1586 data_buffer.size());
1588 m_con.Send(client->peer_id, 0, reply, true);
1590 verbosestream<<"Server: Sent object remove/add: "
1591 <<removed_objects.size()<<" removed, "
1592 <<added_objects.size()<<" added, "
1593 <<"packet size is "<<reply.getSize()<<std::endl;
1598 Collect a list of all the objects known by the clients
1599 and report it back to the environment.
1602 core::map<u16, bool> all_known_objects;
1604 for(core::map<u16, RemoteClient*>::Iterator
1605 i = m_clients.getIterator();
1606 i.atEnd() == false; i++)
1608 RemoteClient *client = i.getNode()->getValue();
1609 // Go through all known objects of client
1610 for(core::map<u16, bool>::Iterator
1611 i = client->m_known_objects.getIterator();
1612 i.atEnd()==false; i++)
1614 u16 id = i.getNode()->getKey();
1615 all_known_objects[id] = true;
1619 m_env->setKnownActiveObjects(whatever);
1625 Send object messages
1628 JMutexAutoLock envlock(m_env_mutex);
1629 JMutexAutoLock conlock(m_con_mutex);
1631 ScopeProfiler sp(g_profiler, "Server: sending object messages");
1634 // Value = data sent by object
1635 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1637 // Get active object messages from environment
1640 ActiveObjectMessage aom = m_env->getActiveObjectMessage();
1644 core::list<ActiveObjectMessage>* message_list = NULL;
1645 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1646 n = buffered_messages.find(aom.id);
1649 message_list = new core::list<ActiveObjectMessage>;
1650 buffered_messages.insert(aom.id, message_list);
1654 message_list = n->getValue();
1656 message_list->push_back(aom);
1659 // Route data to every client
1660 for(core::map<u16, RemoteClient*>::Iterator
1661 i = m_clients.getIterator();
1662 i.atEnd()==false; i++)
1664 RemoteClient *client = i.getNode()->getValue();
1665 std::string reliable_data;
1666 std::string unreliable_data;
1667 // Go through all objects in message buffer
1668 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1669 j = buffered_messages.getIterator();
1670 j.atEnd()==false; j++)
1672 // If object is not known by client, skip it
1673 u16 id = j.getNode()->getKey();
1674 if(client->m_known_objects.find(id) == NULL)
1676 // Get message list of object
1677 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1678 // Go through every message
1679 for(core::list<ActiveObjectMessage>::Iterator
1680 k = list->begin(); k != list->end(); k++)
1682 // Compose the full new data with header
1683 ActiveObjectMessage aom = *k;
1684 std::string new_data;
1687 writeU16((u8*)&buf[0], aom.id);
1688 new_data.append(buf, 2);
1690 new_data += serializeString(aom.datastring);
1691 // Add data to buffer
1693 reliable_data += new_data;
1695 unreliable_data += new_data;
1699 reliable_data and unreliable_data are now ready.
1702 if(reliable_data.size() > 0)
1704 SharedBuffer<u8> reply(2 + reliable_data.size());
1705 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1706 memcpy((char*)&reply[2], reliable_data.c_str(),
1707 reliable_data.size());
1709 m_con.Send(client->peer_id, 0, reply, true);
1711 if(unreliable_data.size() > 0)
1713 SharedBuffer<u8> reply(2 + unreliable_data.size());
1714 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1715 memcpy((char*)&reply[2], unreliable_data.c_str(),
1716 unreliable_data.size());
1717 // Send as unreliable
1718 m_con.Send(client->peer_id, 0, reply, false);
1721 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1723 infostream<<"Server: Size of object message data: "
1724 <<"reliable: "<<reliable_data.size()
1725 <<", unreliable: "<<unreliable_data.size()
1730 // Clear buffered_messages
1731 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1732 i = buffered_messages.getIterator();
1733 i.atEnd()==false; i++)
1735 delete i.getNode()->getValue();
1739 } // enable_experimental
1742 Send queued-for-sending map edit events.
1745 // We will be accessing the environment and the connection
1746 JMutexAutoLock lock(m_env_mutex);
1747 JMutexAutoLock conlock(m_con_mutex);
1749 // Don't send too many at a time
1752 // Single change sending is disabled if queue size is not small
1753 bool disable_single_change_sending = false;
1754 if(m_unsent_map_edit_queue.size() >= 4)
1755 disable_single_change_sending = true;
1757 int event_count = m_unsent_map_edit_queue.size();
1759 // We'll log the amount of each
1762 while(m_unsent_map_edit_queue.size() != 0)
1764 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1766 // Players far away from the change are stored here.
1767 // Instead of sending the changes, MapBlocks are set not sent
1769 core::list<u16> far_players;
1771 if(event->type == MEET_ADDNODE)
1773 //infostream<<"Server: MEET_ADDNODE"<<std::endl;
1774 prof.add("MEET_ADDNODE", 1);
1775 if(disable_single_change_sending)
1776 sendAddNode(event->p, event->n, event->already_known_by_peer,
1779 sendAddNode(event->p, event->n, event->already_known_by_peer,
1782 else if(event->type == MEET_REMOVENODE)
1784 //infostream<<"Server: MEET_REMOVENODE"<<std::endl;
1785 prof.add("MEET_REMOVENODE", 1);
1786 if(disable_single_change_sending)
1787 sendRemoveNode(event->p, event->already_known_by_peer,
1790 sendRemoveNode(event->p, event->already_known_by_peer,
1793 else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
1795 infostream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
1796 prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
1797 setBlockNotSent(event->p);
1799 else if(event->type == MEET_OTHER)
1801 infostream<<"Server: MEET_OTHER"<<std::endl;
1802 prof.add("MEET_OTHER", 1);
1803 for(core::map<v3s16, bool>::Iterator
1804 i = event->modified_blocks.getIterator();
1805 i.atEnd()==false; i++)
1807 v3s16 p = i.getNode()->getKey();
1813 prof.add("unknown", 1);
1814 infostream<<"WARNING: Server: Unknown MapEditEvent "
1815 <<((u32)event->type)<<std::endl;
1819 Set blocks not sent to far players
1821 if(far_players.size() > 0)
1823 // Convert list format to that wanted by SetBlocksNotSent
1824 core::map<v3s16, MapBlock*> modified_blocks2;
1825 for(core::map<v3s16, bool>::Iterator
1826 i = event->modified_blocks.getIterator();
1827 i.atEnd()==false; i++)
1829 v3s16 p = i.getNode()->getKey();
1830 modified_blocks2.insert(p,
1831 m_env->getMap().getBlockNoCreateNoEx(p));
1833 // Set blocks not sent
1834 for(core::list<u16>::Iterator
1835 i = far_players.begin();
1836 i != far_players.end(); i++)
1839 RemoteClient *client = getClient(peer_id);
1842 client->SetBlocksNotSent(modified_blocks2);
1848 /*// Don't send too many at a time
1850 if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
1854 if(event_count >= 5){
1855 infostream<<"Server: MapEditEvents:"<<std::endl;
1856 prof.print(infostream);
1857 } else if(event_count != 0){
1858 verbosestream<<"Server: MapEditEvents:"<<std::endl;
1859 prof.print(verbosestream);
1865 Trigger emergethread (it somehow gets to a non-triggered but
1866 bysy state sometimes)
1869 float &counter = m_emergethread_trigger_timer;
1875 m_emergethread.trigger();
1877 // Update m_enable_rollback_recording here too
1878 m_enable_rollback_recording =
1879 g_settings->getBool("enable_rollback_recording");
1883 // Save map, players and auth stuff
1885 float &counter = m_savemap_timer;
1887 if(counter >= g_settings->getFloat("server_map_save_interval"))
1890 JMutexAutoLock lock(m_env_mutex);
1892 ScopeProfiler sp(g_profiler, "Server: saving stuff");
1895 if(m_banmanager.isModified())
1896 m_banmanager.save();
1898 // Save changed parts of map
1899 m_env->getMap().save(MOD_STATE_WRITE_NEEDED);
1902 m_env->serializePlayers(m_path_world);
1904 // Save environment metadata
1905 m_env->saveMeta(m_path_world);
1910 void Server::Receive()
1912 DSTACK(__FUNCTION_NAME);
1913 SharedBuffer<u8> data;
1918 JMutexAutoLock conlock(m_con_mutex);
1919 datasize = m_con.Receive(peer_id, data);
1922 // This has to be called so that the client list gets synced
1923 // with the peer list of the connection
1924 handlePeerChanges();
1926 ProcessData(*data, datasize, peer_id);
1928 catch(con::InvalidIncomingDataException &e)
1930 infostream<<"Server::Receive(): "
1931 "InvalidIncomingDataException: what()="
1932 <<e.what()<<std::endl;
1934 catch(con::PeerNotFoundException &e)
1936 //NOTE: This is not needed anymore
1938 // The peer has been disconnected.
1939 // Find the associated player and remove it.
1941 /*JMutexAutoLock envlock(m_env_mutex);
1943 infostream<<"ServerThread: peer_id="<<peer_id
1944 <<" has apparently closed connection. "
1945 <<"Removing player."<<std::endl;
1947 m_env->removePlayer(peer_id);*/
1951 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1953 DSTACK(__FUNCTION_NAME);
1954 // Environment is locked first.
1955 JMutexAutoLock envlock(m_env_mutex);
1956 JMutexAutoLock conlock(m_con_mutex);
1958 ScopeProfiler sp(g_profiler, "Server::ProcessData");
1961 Address address = m_con.GetPeerAddress(peer_id);
1962 std::string addr_s = address.serializeString();
1964 // drop player if is ip is banned
1965 if(m_banmanager.isIpBanned(addr_s)){
1966 infostream<<"Server: A banned client tried to connect from "
1967 <<addr_s<<"; banned name was "
1968 <<m_banmanager.getBanName(addr_s)<<std::endl;
1969 // This actually doesn't seem to transfer to the client
1970 SendAccessDenied(m_con, peer_id,
1971 L"Your ip is banned. Banned name was "
1972 +narrow_to_wide(m_banmanager.getBanName(addr_s)));
1973 m_con.DeletePeer(peer_id);
1977 catch(con::PeerNotFoundException &e)
1979 infostream<<"Server::ProcessData(): Cancelling: peer "
1980 <<peer_id<<" not found"<<std::endl;
1984 std::string addr_s = m_con.GetPeerAddress(peer_id).serializeString();
1986 u8 peer_ser_ver = getClient(peer_id)->serialization_version;
1994 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1996 if(command == TOSERVER_INIT)
1998 // [0] u16 TOSERVER_INIT
1999 // [2] u8 SER_FMT_VER_HIGHEST
2000 // [3] u8[20] player_name
2001 // [23] u8[28] password <--- can be sent without this, from old versions
2003 if(datasize < 2+1+PLAYERNAME_SIZE)
2006 verbosestream<<"Server: Got TOSERVER_INIT from "
2007 <<peer_id<<std::endl;
2009 // First byte after command is maximum supported
2010 // serialization version
2011 u8 client_max = data[2];
2012 u8 our_max = SER_FMT_VER_HIGHEST;
2013 // Use the highest version supported by both
2014 u8 deployed = core::min_(client_max, our_max);
2015 // If it's lower than the lowest supported, give up.
2016 if(deployed < SER_FMT_VER_LOWEST)
2017 deployed = SER_FMT_VER_INVALID;
2019 //peer->serialization_version = deployed;
2020 getClient(peer_id)->pending_serialization_version = deployed;
2022 if(deployed == SER_FMT_VER_INVALID)
2024 actionstream<<"Server: A mismatched client tried to connect from "
2025 <<addr_s<<std::endl;
2026 infostream<<"Server: Cannot negotiate "
2027 "serialization version with peer "
2028 <<peer_id<<std::endl;
2029 SendAccessDenied(m_con, peer_id, std::wstring(
2030 L"Your client's version is not supported.\n"
2031 L"Server version is ")
2032 + narrow_to_wide(VERSION_STRING) + L"."
2038 Read and check network protocol version
2041 u16 min_net_proto_version = 0;
2042 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
2043 min_net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
2045 // Use min if version field doesn't exist (backwards compatibility)
2046 u16 max_net_proto_version = min_net_proto_version;
2047 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2+2)
2048 max_net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2]);
2050 u16 net_proto_version = max_net_proto_version;
2051 if(max_net_proto_version != SERVER_PROTOCOL_VERSION && min_net_proto_version <= SERVER_PROTOCOL_VERSION)
2052 net_proto_version = SERVER_PROTOCOL_VERSION;
2054 verbosestream<<"Server: "<<peer_id<<" Protocol version: min: "
2055 <<min_net_proto_version<<", max: "<<max_net_proto_version
2056 <<", chosen: "<<net_proto_version<<std::endl;
2058 getClient(peer_id)->net_proto_version = net_proto_version;
2060 if(net_proto_version == 0)
2062 actionstream<<"Server: An old tried to connect from "<<addr_s
2064 SendAccessDenied(m_con, peer_id, std::wstring(
2065 L"Your client's version is not supported.\n"
2066 L"Server version is ")
2067 + narrow_to_wide(VERSION_STRING) + L"."
2072 if(g_settings->getBool("strict_protocol_version_checking"))
2074 if(net_proto_version != SERVER_PROTOCOL_VERSION)
2076 actionstream<<"Server: A mismatched client tried to connect"
2077 <<" from "<<addr_s<<std::endl;
2078 SendAccessDenied(m_con, peer_id, std::wstring(
2079 L"Your client's version is not supported.\n"
2080 L"Server version is ")
2081 + narrow_to_wide(VERSION_STRING) + L",\n"
2082 + L"server's PROTOCOL_VERSION is "
2083 + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION))
2084 + L", client's PROTOCOL_VERSION is "
2085 + narrow_to_wide(itos(net_proto_version))
2096 char playername[PLAYERNAME_SIZE];
2097 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2099 playername[i] = data[3+i];
2101 playername[PLAYERNAME_SIZE-1] = 0;
2103 if(playername[0]=='\0')
2105 actionstream<<"Server: Player with an empty name "
2106 <<"tried to connect from "<<addr_s<<std::endl;
2107 SendAccessDenied(m_con, peer_id,
2112 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2114 actionstream<<"Server: Player with an invalid name "
2115 <<"tried to connect from "<<addr_s<<std::endl;
2116 SendAccessDenied(m_con, peer_id,
2117 L"Name contains unallowed characters");
2121 infostream<<"Server: New connection: \""<<playername<<"\" from "
2122 <<m_con.GetPeerAddress(peer_id).serializeString()<<std::endl;
2125 char given_password[PASSWORD_SIZE];
2126 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2128 // old version - assume blank password
2129 given_password[0] = 0;
2133 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2135 given_password[i] = data[23+i];
2137 given_password[PASSWORD_SIZE-1] = 0;
2140 if(!base64_is_valid(given_password)){
2141 infostream<<"Server: "<<playername
2142 <<" supplied invalid password hash"<<std::endl;
2143 SendAccessDenied(m_con, peer_id, L"Invalid password hash");
2147 std::string checkpwd; // Password hash to check against
2148 bool has_auth = scriptapi_get_auth(m_lua, playername, &checkpwd, NULL);
2150 // If no authentication info exists for user, create it
2152 if(!isSingleplayer() &&
2153 g_settings->getBool("disallow_empty_password") &&
2154 std::string(given_password) == ""){
2155 SendAccessDenied(m_con, peer_id, L"Empty passwords are "
2156 L"disallowed. Set a password and try again.");
2159 std::wstring raw_default_password =
2160 narrow_to_wide(g_settings->get("default_password"));
2161 std::string initial_password =
2162 translatePassword(playername, raw_default_password);
2164 // If default_password is empty, allow any initial password
2165 if (raw_default_password.length() == 0)
2166 initial_password = given_password;
2168 scriptapi_create_auth(m_lua, playername, initial_password);
2171 has_auth = scriptapi_get_auth(m_lua, playername, &checkpwd, NULL);
2174 SendAccessDenied(m_con, peer_id, L"Not allowed to login");
2178 if(given_password != checkpwd){
2179 infostream<<"Server: peer_id="<<peer_id
2180 <<": supplied invalid password for "
2181 <<playername<<std::endl;
2182 SendAccessDenied(m_con, peer_id, L"Invalid password");
2186 // Do not allow multiple players in simple singleplayer mode.
2187 // This isn't a perfect way to do it, but will suffice for now.
2188 if(m_simple_singleplayer_mode && m_clients.size() > 1){
2189 infostream<<"Server: Not allowing another client to connect in"
2190 <<" simple singleplayer mode"<<std::endl;
2191 SendAccessDenied(m_con, peer_id,
2192 L"Running in simple singleplayer mode.");
2196 // Enforce user limit.
2197 // Don't enforce for users that have some admin right
2198 if(m_clients.size() >= g_settings->getU16("max_users") &&
2199 !checkPriv(playername, "server") &&
2200 !checkPriv(playername, "ban") &&
2201 !checkPriv(playername, "privs") &&
2202 !checkPriv(playername, "password") &&
2203 playername != g_settings->get("name"))
2205 actionstream<<"Server: "<<playername<<" tried to join, but there"
2206 <<" are already max_users="
2207 <<g_settings->getU16("max_users")<<" players."<<std::endl;
2208 SendAccessDenied(m_con, peer_id, L"Too many users.");
2213 PlayerSAO *playersao = emergePlayer(playername, peer_id);
2215 // If failed, cancel
2216 if(playersao == NULL)
2218 errorstream<<"Server: peer_id="<<peer_id
2219 <<": failed to emerge player"<<std::endl;
2224 Answer with a TOCLIENT_INIT
2227 SharedBuffer<u8> reply(2+1+6+8+4);
2228 writeU16(&reply[0], TOCLIENT_INIT);
2229 writeU8(&reply[2], deployed);
2230 writeV3S16(&reply[2+1], floatToInt(playersao->getPlayer()->getPosition()+v3f(0,BS/2,0), BS));
2231 writeU64(&reply[2+1+6], m_env->getServerMap().getSeed());
2232 writeF1000(&reply[2+1+6+8], g_settings->getFloat("dedicated_server_step"));
2235 m_con.Send(peer_id, 0, reply, true);
2239 Send complete position information
2241 SendMovePlayer(peer_id);
2246 if(command == TOSERVER_INIT2)
2248 verbosestream<<"Server: Got TOSERVER_INIT2 from "
2249 <<peer_id<<std::endl;
2251 Player *player = m_env->getPlayer(peer_id);
2253 verbosestream<<"Server: TOSERVER_INIT2: "
2254 <<"Player not found; ignoring."<<std::endl;
2258 getClient(peer_id)->serialization_version
2259 = getClient(peer_id)->pending_serialization_version;
2262 Send some initialization data
2265 infostream<<"Server: Sending content to "
2266 <<getPlayerName(peer_id)<<std::endl;
2268 // Send item definitions
2269 SendItemDef(m_con, peer_id, m_itemdef);
2271 // Send node definitions
2272 SendNodeDef(m_con, peer_id, m_nodedef);
2274 // Send media announcement
2275 sendMediaAnnouncement(peer_id);
2278 SendPlayerPrivileges(peer_id);
2280 // Send inventory formspec
2281 SendPlayerInventoryFormspec(peer_id);
2284 UpdateCrafting(peer_id);
2285 SendInventory(peer_id);
2288 SendPlayerHP(peer_id);
2290 // Send detached inventories
2291 sendDetachedInventories(peer_id);
2293 // Show death screen if necessary
2295 SendDeathscreen(m_con, peer_id, false, v3f(0,0,0));
2299 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2300 m_env->getTimeOfDay(), g_settings->getFloat("time_speed"));
2301 m_con.Send(peer_id, 0, data, true);
2304 // Note things in chat if not in simple singleplayer mode
2305 if(!m_simple_singleplayer_mode)
2307 // Send information about server to player in chat
2308 SendChatMessage(peer_id, getStatusString());
2310 // Send information about joining in chat
2312 std::wstring name = L"unknown";
2313 Player *player = m_env->getPlayer(peer_id);
2315 name = narrow_to_wide(player->getName());
2317 std::wstring message;
2320 message += L" joined the game.";
2321 BroadcastChatMessage(message);
2325 // Warnings about protocol version can be issued here
2326 if(getClient(peer_id)->net_proto_version < SERVER_PROTOCOL_VERSION)
2328 SendChatMessage(peer_id, L"# Server: WARNING: YOUR CLIENT IS OLD AND MAY WORK PROPERLY WITH THIS SERVER!");
2335 std::ostringstream os(std::ios_base::binary);
2336 for(core::map<u16, RemoteClient*>::Iterator
2337 i = m_clients.getIterator();
2338 i.atEnd() == false; i++)
2340 RemoteClient *client = i.getNode()->getValue();
2341 assert(client->peer_id == i.getNode()->getKey());
2342 if(client->serialization_version == SER_FMT_VER_INVALID)
2345 Player *player = m_env->getPlayer(client->peer_id);
2348 // Get name of player
2349 os<<player->getName()<<" ";
2352 actionstream<<player->getName()<<" joins game. List of players: "
2353 <<os.str()<<std::endl;
2359 if(peer_ser_ver == SER_FMT_VER_INVALID)
2361 infostream<<"Server::ProcessData(): Cancelling: Peer"
2362 " serialization format invalid or not initialized."
2363 " Skipping incoming command="<<command<<std::endl;
2367 Player *player = m_env->getPlayer(peer_id);
2369 infostream<<"Server::ProcessData(): Cancelling: "
2370 "No player for peer_id="<<peer_id
2375 PlayerSAO *playersao = player->getPlayerSAO();
2376 if(playersao == NULL){
2377 infostream<<"Server::ProcessData(): Cancelling: "
2378 "No player object for peer_id="<<peer_id
2383 if(command == TOSERVER_PLAYERPOS)
2385 if(datasize < 2+12+12+4+4+4)
2389 v3s32 ps = readV3S32(&data[start+2]);
2390 v3s32 ss = readV3S32(&data[start+2+12]);
2391 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2392 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2393 u32 keyPressed = (u32)readU32(&data[2+12+12+4+4]);
2394 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2395 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2396 pitch = wrapDegrees(pitch);
2397 yaw = wrapDegrees(yaw);
2399 player->setPosition(position);
2400 player->setSpeed(speed);
2401 player->setPitch(pitch);
2402 player->setYaw(yaw);
2403 player->keyPressed=keyPressed;
2404 player->control.up = (bool)(keyPressed&1);
2405 player->control.down = (bool)(keyPressed&2);
2406 player->control.left = (bool)(keyPressed&4);
2407 player->control.right = (bool)(keyPressed&8);
2408 player->control.jump = (bool)(keyPressed&16);
2409 player->control.aux1 = (bool)(keyPressed&32);
2410 player->control.sneak = (bool)(keyPressed&64);
2411 player->control.LMB = (bool)(keyPressed&128);
2412 player->control.RMB = (bool)(keyPressed&256);
2414 /*infostream<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2415 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2416 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2418 else if(command == TOSERVER_GOTBLOCKS)
2431 u16 count = data[2];
2432 for(u16 i=0; i<count; i++)
2434 if((s16)datasize < 2+1+(i+1)*6)
2435 throw con::InvalidIncomingDataException
2436 ("GOTBLOCKS length is too short");
2437 v3s16 p = readV3S16(&data[2+1+i*6]);
2438 /*infostream<<"Server: GOTBLOCKS ("
2439 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2440 RemoteClient *client = getClient(peer_id);
2441 client->GotBlock(p);
2444 else if(command == TOSERVER_DELETEDBLOCKS)
2457 u16 count = data[2];
2458 for(u16 i=0; i<count; i++)
2460 if((s16)datasize < 2+1+(i+1)*6)
2461 throw con::InvalidIncomingDataException
2462 ("DELETEDBLOCKS length is too short");
2463 v3s16 p = readV3S16(&data[2+1+i*6]);
2464 /*infostream<<"Server: DELETEDBLOCKS ("
2465 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2466 RemoteClient *client = getClient(peer_id);
2467 client->SetBlockNotSent(p);
2470 else if(command == TOSERVER_CLICK_OBJECT)
2472 infostream<<"Server: CLICK_OBJECT not supported anymore"<<std::endl;
2475 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2477 infostream<<"Server: CLICK_ACTIVEOBJECT not supported anymore"<<std::endl;
2480 else if(command == TOSERVER_GROUND_ACTION)
2482 infostream<<"Server: GROUND_ACTION not supported anymore"<<std::endl;
2486 else if(command == TOSERVER_RELEASE)
2488 infostream<<"Server: RELEASE not supported anymore"<<std::endl;
2491 else if(command == TOSERVER_SIGNTEXT)
2493 infostream<<"Server: SIGNTEXT not supported anymore"
2497 else if(command == TOSERVER_SIGNNODETEXT)
2499 infostream<<"Server: SIGNNODETEXT not supported anymore"
2503 else if(command == TOSERVER_INVENTORY_ACTION)
2505 // Strip command and create a stream
2506 std::string datastring((char*)&data[2], datasize-2);
2507 verbosestream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
2508 std::istringstream is(datastring, std::ios_base::binary);
2510 InventoryAction *a = InventoryAction::deSerialize(is);
2513 infostream<<"TOSERVER_INVENTORY_ACTION: "
2514 <<"InventoryAction::deSerialize() returned NULL"
2519 // If something goes wrong, this player is to blame
2520 RollbackScopeActor rollback_scope(m_rollback,
2521 std::string("player:")+player->getName());
2524 Note: Always set inventory not sent, to repair cases
2525 where the client made a bad prediction.
2529 Handle restrictions and special cases of the move action
2531 if(a->getType() == IACTION_MOVE)
2533 IMoveAction *ma = (IMoveAction*)a;
2535 ma->from_inv.applyCurrentPlayer(player->getName());
2536 ma->to_inv.applyCurrentPlayer(player->getName());
2538 setInventoryModified(ma->from_inv);
2539 setInventoryModified(ma->to_inv);
2541 bool from_inv_is_current_player =
2542 (ma->from_inv.type == InventoryLocation::PLAYER) &&
2543 (ma->from_inv.name == player->getName());
2545 bool to_inv_is_current_player =
2546 (ma->to_inv.type == InventoryLocation::PLAYER) &&
2547 (ma->to_inv.name == player->getName());
2550 Disable moving items out of craftpreview
2552 if(ma->from_list == "craftpreview")
2554 infostream<<"Ignoring IMoveAction from "
2555 <<(ma->from_inv.dump())<<":"<<ma->from_list
2556 <<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
2557 <<" because src is "<<ma->from_list<<std::endl;
2563 Disable moving items into craftresult and craftpreview
2565 if(ma->to_list == "craftpreview" || ma->to_list == "craftresult")
2567 infostream<<"Ignoring IMoveAction from "
2568 <<(ma->from_inv.dump())<<":"<<ma->from_list
2569 <<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
2570 <<" because dst is "<<ma->to_list<<std::endl;
2575 // Disallow moving items in elsewhere than player's inventory
2576 // if not allowed to interact
2577 if(!checkPriv(player->getName(), "interact") &&
2578 (!from_inv_is_current_player ||
2579 !to_inv_is_current_player))
2581 infostream<<"Cannot move outside of player's inventory: "
2582 <<"No interact privilege"<<std::endl;
2588 Handle restrictions and special cases of the drop action
2590 else if(a->getType() == IACTION_DROP)
2592 IDropAction *da = (IDropAction*)a;
2594 da->from_inv.applyCurrentPlayer(player->getName());
2596 setInventoryModified(da->from_inv);
2598 // Disallow dropping items if not allowed to interact
2599 if(!checkPriv(player->getName(), "interact"))
2606 Handle restrictions and special cases of the craft action
2608 else if(a->getType() == IACTION_CRAFT)
2610 ICraftAction *ca = (ICraftAction*)a;
2612 ca->craft_inv.applyCurrentPlayer(player->getName());
2614 setInventoryModified(ca->craft_inv);
2616 //bool craft_inv_is_current_player =
2617 // (ca->craft_inv.type == InventoryLocation::PLAYER) &&
2618 // (ca->craft_inv.name == player->getName());
2620 // Disallow crafting if not allowed to interact
2621 if(!checkPriv(player->getName(), "interact"))
2623 infostream<<"Cannot craft: "
2624 <<"No interact privilege"<<std::endl;
2631 a->apply(this, playersao, this);
2635 else if(command == TOSERVER_CHAT_MESSAGE)
2643 std::string datastring((char*)&data[2], datasize-2);
2644 std::istringstream is(datastring, std::ios_base::binary);
2647 is.read((char*)buf, 2);
2648 u16 len = readU16(buf);
2650 std::wstring message;
2651 for(u16 i=0; i<len; i++)
2653 is.read((char*)buf, 2);
2654 message += (wchar_t)readU16(buf);
2657 // If something goes wrong, this player is to blame
2658 RollbackScopeActor rollback_scope(m_rollback,
2659 std::string("player:")+player->getName());
2661 // Get player name of this client
2662 std::wstring name = narrow_to_wide(player->getName());
2665 bool ate = scriptapi_on_chat_message(m_lua, player->getName(),
2666 wide_to_narrow(message));
2667 // If script ate the message, don't proceed
2671 // Line to send to players
2673 // Whether to send to the player that sent the line
2674 bool send_to_sender = false;
2675 // Whether to send to other players
2676 bool send_to_others = false;
2678 // Commands are implemented in Lua, so only catch invalid
2679 // commands that were not "eaten" and send an error back
2680 if(message[0] == L'/')
2682 message = message.substr(1);
2683 send_to_sender = true;
2684 if(message.length() == 0)
2685 line += L"-!- Empty command";
2687 line += L"-!- Invalid command: " + str_split(message, L' ')[0];
2691 if(checkPriv(player->getName(), "shout")){
2696 send_to_others = true;
2698 line += L"-!- You don't have permission to shout.";
2699 send_to_sender = true;
2706 actionstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
2709 Send the message to clients
2711 for(core::map<u16, RemoteClient*>::Iterator
2712 i = m_clients.getIterator();
2713 i.atEnd() == false; i++)
2715 // Get client and check that it is valid
2716 RemoteClient *client = i.getNode()->getValue();
2717 assert(client->peer_id == i.getNode()->getKey());
2718 if(client->serialization_version == SER_FMT_VER_INVALID)
2722 bool sender_selected = (peer_id == client->peer_id);
2723 if(sender_selected == true && send_to_sender == false)
2725 if(sender_selected == false && send_to_others == false)
2728 SendChatMessage(client->peer_id, line);
2732 else if(command == TOSERVER_DAMAGE)
2734 std::string datastring((char*)&data[2], datasize-2);
2735 std::istringstream is(datastring, std::ios_base::binary);
2736 u8 damage = readU8(is);
2738 actionstream<<player->getName()<<" damaged by "
2739 <<(int)damage<<" hp at "<<PP(player->getPosition()/BS)
2742 playersao->setHP(playersao->getHP() - damage);
2744 if(playersao->getHP() == 0 && playersao->m_hp_not_sent)
2747 if(playersao->m_hp_not_sent)
2748 SendPlayerHP(peer_id);
2750 else if(command == TOSERVER_PASSWORD)
2753 [0] u16 TOSERVER_PASSWORD
2754 [2] u8[28] old password
2755 [30] u8[28] new password
2758 if(datasize != 2+PASSWORD_SIZE*2)
2760 /*char password[PASSWORD_SIZE];
2761 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2762 password[i] = data[2+i];
2763 password[PASSWORD_SIZE-1] = 0;*/
2765 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2773 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2775 char c = data[2+PASSWORD_SIZE+i];
2781 if(!base64_is_valid(newpwd)){
2782 infostream<<"Server: "<<player->getName()<<" supplied invalid password hash"<<std::endl;
2783 // Wrong old password supplied!!
2784 SendChatMessage(peer_id, L"Invalid new password hash supplied. Password NOT changed.");
2788 infostream<<"Server: Client requests a password change from "
2789 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
2791 std::string playername = player->getName();
2793 std::string checkpwd;
2794 scriptapi_get_auth(m_lua, playername, &checkpwd, NULL);
2796 if(oldpwd != checkpwd)
2798 infostream<<"Server: invalid old password"<<std::endl;
2799 // Wrong old password supplied!!
2800 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
2804 bool success = scriptapi_set_password(m_lua, playername, newpwd);
2806 actionstream<<player->getName()<<" changes password"<<std::endl;
2807 SendChatMessage(peer_id, L"Password change successful.");
2809 actionstream<<player->getName()<<" tries to change password but "
2810 <<"it fails"<<std::endl;
2811 SendChatMessage(peer_id, L"Password change failed or inavailable.");
2814 else if(command == TOSERVER_PLAYERITEM)
2819 u16 item = readU16(&data[2]);
2820 playersao->setWieldIndex(item);
2822 else if(command == TOSERVER_RESPAWN)
2827 RespawnPlayer(peer_id);
2829 actionstream<<player->getName()<<" respawns at "
2830 <<PP(player->getPosition()/BS)<<std::endl;
2832 // ActiveObject is added to environment in AsyncRunStep after
2833 // the previous addition has been succesfully removed
2835 else if(command == TOSERVER_REQUEST_MEDIA) {
2836 std::string datastring((char*)&data[2], datasize-2);
2837 std::istringstream is(datastring, std::ios_base::binary);
2839 core::list<MediaRequest> tosend;
2840 u16 numfiles = readU16(is);
2842 infostream<<"Sending "<<numfiles<<" files to "
2843 <<getPlayerName(peer_id)<<std::endl;
2844 verbosestream<<"TOSERVER_REQUEST_MEDIA: "<<std::endl;
2846 for(int i = 0; i < numfiles; i++) {
2847 std::string name = deSerializeString(is);
2848 tosend.push_back(MediaRequest(name));
2849 verbosestream<<"TOSERVER_REQUEST_MEDIA: requested file "
2853 sendRequestedMedia(peer_id, tosend);
2855 // Now the client should know about everything
2856 // (definitions and files)
2857 getClient(peer_id)->definitions_sent = true;
2859 else if(command == TOSERVER_INTERACT)
2861 std::string datastring((char*)&data[2], datasize-2);
2862 std::istringstream is(datastring, std::ios_base::binary);
2868 [5] u32 length of the next item
2869 [9] serialized PointedThing
2871 0: start digging (from undersurface) or use
2872 1: stop digging (all parameters ignored)
2873 2: digging completed
2874 3: place block or item (to abovesurface)
2877 u8 action = readU8(is);
2878 u16 item_i = readU16(is);
2879 std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
2880 PointedThing pointed;
2881 pointed.deSerialize(tmp_is);
2883 verbosestream<<"TOSERVER_INTERACT: action="<<(int)action<<", item="
2884 <<item_i<<", pointed="<<pointed.dump()<<std::endl;
2888 verbosestream<<"TOSERVER_INTERACT: "<<player->getName()
2889 <<" tried to interact, but is dead!"<<std::endl;
2893 v3f player_pos = playersao->getLastGoodPosition();
2895 // Update wielded item
2896 playersao->setWieldIndex(item_i);
2898 // Get pointed to node (undefined if not POINTEDTYPE_NODE)
2899 v3s16 p_under = pointed.node_undersurface;
2900 v3s16 p_above = pointed.node_abovesurface;
2902 // Get pointed to object (NULL if not POINTEDTYPE_OBJECT)
2903 ServerActiveObject *pointed_object = NULL;
2904 if(pointed.type == POINTEDTHING_OBJECT)
2906 pointed_object = m_env->getActiveObject(pointed.object_id);
2907 if(pointed_object == NULL)
2909 verbosestream<<"TOSERVER_INTERACT: "
2910 "pointed object is NULL"<<std::endl;
2916 v3f pointed_pos_under = player_pos;
2917 v3f pointed_pos_above = player_pos;
2918 if(pointed.type == POINTEDTHING_NODE)
2920 pointed_pos_under = intToFloat(p_under, BS);
2921 pointed_pos_above = intToFloat(p_above, BS);
2923 else if(pointed.type == POINTEDTHING_OBJECT)
2925 pointed_pos_under = pointed_object->getBasePosition();
2926 pointed_pos_above = pointed_pos_under;
2930 Check that target is reasonably close
2931 (only when digging or placing things)
2933 if(action == 0 || action == 2 || action == 3)
2935 float d = player_pos.getDistanceFrom(pointed_pos_under);
2936 float max_d = BS * 14; // Just some large enough value
2938 actionstream<<"Player "<<player->getName()
2939 <<" tried to access "<<pointed.dump()
2941 <<"d="<<d<<", max_d="<<max_d
2942 <<". ignoring."<<std::endl;
2943 // Re-send block to revert change on client-side
2944 RemoteClient *client = getClient(peer_id);
2945 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
2946 client->SetBlockNotSent(blockpos);
2953 Make sure the player is allowed to do it
2955 if(!checkPriv(player->getName(), "interact"))
2957 actionstream<<player->getName()<<" attempted to interact with "
2958 <<pointed.dump()<<" without 'interact' privilege"
2960 // Re-send block to revert change on client-side
2961 RemoteClient *client = getClient(peer_id);
2962 // Digging completed -> under
2964 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
2965 client->SetBlockNotSent(blockpos);
2967 // Placement -> above
2969 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
2970 client->SetBlockNotSent(blockpos);
2976 If something goes wrong, this player is to blame
2978 RollbackScopeActor rollback_scope(m_rollback,
2979 std::string("player:")+player->getName());
2982 0: start digging or punch object
2986 if(pointed.type == POINTEDTHING_NODE)
2989 NOTE: This can be used in the future to check if
2990 somebody is cheating, by checking the timing.
2992 MapNode n(CONTENT_IGNORE);
2995 n = m_env->getMap().getNode(p_under);
2997 catch(InvalidPositionException &e)
2999 infostream<<"Server: Not punching: Node not found."
3000 <<" Adding block to emerge queue."
3002 m_emerge_queue.addBlock(peer_id,
3003 getNodeBlockPos(p_above), BLOCK_EMERGE_FLAG_FROMDISK);
3005 if(n.getContent() != CONTENT_IGNORE)
3006 scriptapi_node_on_punch(m_lua, p_under, n, playersao);
3008 playersao->noCheatDigStart(p_under);
3010 else if(pointed.type == POINTEDTHING_OBJECT)
3012 // Skip if object has been removed
3013 if(pointed_object->m_removed)
3016 actionstream<<player->getName()<<" punches object "
3017 <<pointed.object_id<<": "
3018 <<pointed_object->getDescription()<<std::endl;
3020 ItemStack punchitem = playersao->getWieldedItem();
3021 ToolCapabilities toolcap =
3022 punchitem.getToolCapabilities(m_itemdef);
3023 v3f dir = (pointed_object->getBasePosition() -
3024 (player->getPosition() + player->getEyeOffset())
3026 float time_from_last_punch =
3027 playersao->resetTimeFromLastPunch();
3028 pointed_object->punch(dir, &toolcap, playersao,
3029 time_from_last_punch);
3037 else if(action == 1)
3042 2: Digging completed
3044 else if(action == 2)
3046 // Only digging of nodes
3047 if(pointed.type == POINTEDTHING_NODE)
3049 MapNode n(CONTENT_IGNORE);
3052 n = m_env->getMap().getNode(p_under);
3054 catch(InvalidPositionException &e)
3056 infostream<<"Server: Not finishing digging: Node not found."
3057 <<" Adding block to emerge queue."
3059 m_emerge_queue.addBlock(peer_id,
3060 getNodeBlockPos(p_above), BLOCK_EMERGE_FLAG_FROMDISK);
3063 /* Cheat prevention */
3064 bool is_valid_dig = true;
3065 if(!isSingleplayer() && !g_settings->getBool("disable_anticheat"))
3067 v3s16 nocheat_p = playersao->getNoCheatDigPos();
3068 float nocheat_t = playersao->getNoCheatDigTime();
3069 playersao->noCheatDigEnd();
3070 // If player didn't start digging this, ignore dig
3071 if(nocheat_p != p_under){
3072 infostream<<"Server: NoCheat: "<<player->getName()
3073 <<" started digging "
3074 <<PP(nocheat_p)<<" and completed digging "
3075 <<PP(p_under)<<"; not digging."<<std::endl;
3076 is_valid_dig = false;
3078 // Get player's wielded item
3079 ItemStack playeritem;
3080 InventoryList *mlist = playersao->getInventory()->getList("main");
3082 playeritem = mlist->getItem(playersao->getWieldIndex());
3083 ToolCapabilities playeritem_toolcap =
3084 playeritem.getToolCapabilities(m_itemdef);
3085 // Get diggability and expected digging time
3086 DigParams params = getDigParams(m_nodedef->get(n).groups,
3087 &playeritem_toolcap);
3088 // If can't dig, try hand
3089 if(!params.diggable){
3090 const ItemDefinition &hand = m_itemdef->get("");
3091 const ToolCapabilities *tp = hand.tool_capabilities;
3093 params = getDigParams(m_nodedef->get(n).groups, tp);
3095 // If can't dig, ignore dig
3096 if(!params.diggable){
3097 infostream<<"Server: NoCheat: "<<player->getName()
3098 <<" completed digging "<<PP(p_under)
3099 <<", which is not diggable with tool. not digging."
3101 is_valid_dig = false;
3103 // If time is considerably too short, ignore dig
3104 // Check time only for medium and slow timed digs
3105 if(params.diggable && params.time > 0.3 && nocheat_t < 0.5 * params.time){
3106 infostream<<"Server: NoCheat: "<<player->getName()
3107 <<" completed digging "
3108 <<PP(p_under)<<" in "<<nocheat_t<<"s; expected "
3109 <<params.time<<"s; not digging."<<std::endl;
3110 is_valid_dig = false;
3114 /* Actually dig node */
3116 if(is_valid_dig && n.getContent() != CONTENT_IGNORE)
3117 scriptapi_node_on_dig(m_lua, p_under, n, playersao);
3119 // Send unusual result (that is, node not being removed)
3120 if(m_env->getMap().getNodeNoEx(p_under).getContent() != CONTENT_AIR)
3122 // Re-send block to revert change on client-side
3123 RemoteClient *client = getClient(peer_id);
3124 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
3125 client->SetBlockNotSent(blockpos);
3131 3: place block or right-click object
3133 else if(action == 3)
3135 ItemStack item = playersao->getWieldedItem();
3137 // Reset build time counter
3138 if(pointed.type == POINTEDTHING_NODE &&
3139 item.getDefinition(m_itemdef).type == ITEM_NODE)
3140 getClient(peer_id)->m_time_from_building = 0.0;
3142 if(pointed.type == POINTEDTHING_OBJECT)
3144 // Right click object
3146 // Skip if object has been removed
3147 if(pointed_object->m_removed)
3150 actionstream<<player->getName()<<" right-clicks object "
3151 <<pointed.object_id<<": "
3152 <<pointed_object->getDescription()<<std::endl;
3155 pointed_object->rightClick(playersao);
3157 else if(scriptapi_item_on_place(m_lua,
3158 item, playersao, pointed))
3160 // Placement was handled in lua
3162 // Apply returned ItemStack
3163 playersao->setWieldedItem(item);
3166 // If item has node placement prediction, always send the above
3167 // node to make sure the client knows what exactly happened
3168 if(item.getDefinition(m_itemdef).node_placement_prediction != ""){
3169 RemoteClient *client = getClient(peer_id);
3170 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
3171 client->SetBlockNotSent(blockpos);
3178 else if(action == 4)
3180 ItemStack item = playersao->getWieldedItem();
3182 actionstream<<player->getName()<<" uses "<<item.name
3183 <<", pointing at "<<pointed.dump()<<std::endl;
3185 if(scriptapi_item_on_use(m_lua,
3186 item, playersao, pointed))
3188 // Apply returned ItemStack
3189 playersao->setWieldedItem(item);
3196 Catch invalid actions
3200 infostream<<"WARNING: Server: Invalid action "
3201 <<action<<std::endl;
3204 else if(command == TOSERVER_REMOVED_SOUNDS)
3206 std::string datastring((char*)&data[2], datasize-2);
3207 std::istringstream is(datastring, std::ios_base::binary);
3209 int num = readU16(is);
3210 for(int k=0; k<num; k++){
3211 s32 id = readS32(is);
3212 std::map<s32, ServerPlayingSound>::iterator i =
3213 m_playing_sounds.find(id);
3214 if(i == m_playing_sounds.end())
3216 ServerPlayingSound &psound = i->second;
3217 psound.clients.erase(peer_id);
3218 if(psound.clients.size() == 0)
3219 m_playing_sounds.erase(i++);
3222 else if(command == TOSERVER_NODEMETA_FIELDS)
3224 std::string datastring((char*)&data[2], datasize-2);
3225 std::istringstream is(datastring, std::ios_base::binary);
3227 v3s16 p = readV3S16(is);
3228 std::string formname = deSerializeString(is);
3229 int num = readU16(is);
3230 std::map<std::string, std::string> fields;
3231 for(int k=0; k<num; k++){
3232 std::string fieldname = deSerializeString(is);
3233 std::string fieldvalue = deSerializeLongString(is);
3234 fields[fieldname] = fieldvalue;
3237 // If something goes wrong, this player is to blame
3238 RollbackScopeActor rollback_scope(m_rollback,
3239 std::string("player:")+player->getName());
3241 // Check the target node for rollback data; leave others unnoticed
3242 RollbackNode rn_old(&m_env->getMap(), p, this);
3244 scriptapi_node_on_receive_fields(m_lua, p, formname, fields,
3247 // Report rollback data
3248 RollbackNode rn_new(&m_env->getMap(), p, this);
3249 if(rollback() && rn_new != rn_old){
3250 RollbackAction action;
3251 action.setSetNode(p, rn_old, rn_new);
3252 rollback()->reportAction(action);
3255 else if(command == TOSERVER_INVENTORY_FIELDS)
3257 std::string datastring((char*)&data[2], datasize-2);
3258 std::istringstream is(datastring, std::ios_base::binary);
3260 std::string formname = deSerializeString(is);
3261 int num = readU16(is);
3262 std::map<std::string, std::string> fields;
3263 for(int k=0; k<num; k++){
3264 std::string fieldname = deSerializeString(is);
3265 std::string fieldvalue = deSerializeLongString(is);
3266 fields[fieldname] = fieldvalue;
3269 scriptapi_on_player_receive_fields(m_lua, playersao, formname, fields);
3273 infostream<<"Server::ProcessData(): Ignoring "
3274 "unknown command "<<command<<std::endl;
3278 catch(SendFailedException &e)
3280 errorstream<<"Server::ProcessData(): SendFailedException: "
3286 void Server::onMapEditEvent(MapEditEvent *event)
3288 //infostream<<"Server::onMapEditEvent()"<<std::endl;
3289 if(m_ignore_map_edit_events)
3291 if(m_ignore_map_edit_events_area.contains(event->getArea()))
3293 MapEditEvent *e = event->clone();
3294 m_unsent_map_edit_queue.push_back(e);
3297 Inventory* Server::getInventory(const InventoryLocation &loc)
3300 case InventoryLocation::UNDEFINED:
3303 case InventoryLocation::CURRENT_PLAYER:
3306 case InventoryLocation::PLAYER:
3308 Player *player = m_env->getPlayer(loc.name.c_str());
3311 PlayerSAO *playersao = player->getPlayerSAO();
3314 return playersao->getInventory();
3317 case InventoryLocation::NODEMETA:
3319 NodeMetadata *meta = m_env->getMap().getNodeMetadata(loc.p);
3322 return meta->getInventory();
3325 case InventoryLocation::DETACHED:
3327 if(m_detached_inventories.count(loc.name) == 0)
3329 return m_detached_inventories[loc.name];
3337 void Server::setInventoryModified(const InventoryLocation &loc)
3340 case InventoryLocation::UNDEFINED:
3343 case InventoryLocation::PLAYER:
3345 Player *player = m_env->getPlayer(loc.name.c_str());
3348 PlayerSAO *playersao = player->getPlayerSAO();
3351 playersao->m_inventory_not_sent = true;
3352 playersao->m_wielded_item_not_sent = true;
3355 case InventoryLocation::NODEMETA:
3357 v3s16 blockpos = getNodeBlockPos(loc.p);
3359 MapBlock *block = m_env->getMap().getBlockNoCreateNoEx(blockpos);
3361 block->raiseModified(MOD_STATE_WRITE_NEEDED);
3363 setBlockNotSent(blockpos);
3366 case InventoryLocation::DETACHED:
3368 sendDetachedInventoryToAll(loc.name);
3376 core::list<PlayerInfo> Server::getPlayerInfo()
3378 DSTACK(__FUNCTION_NAME);
3379 JMutexAutoLock envlock(m_env_mutex);
3380 JMutexAutoLock conlock(m_con_mutex);
3382 core::list<PlayerInfo> list;
3384 core::list<Player*> players = m_env->getPlayers();
3386 core::list<Player*>::Iterator i;
3387 for(i = players.begin();
3388 i != players.end(); i++)
3392 Player *player = *i;
3395 // Copy info from connection to info struct
3396 info.id = player->peer_id;
3397 info.address = m_con.GetPeerAddress(player->peer_id);
3398 info.avg_rtt = m_con.GetPeerAvgRTT(player->peer_id);
3400 catch(con::PeerNotFoundException &e)
3402 // Set dummy peer info
3404 info.address = Address(0,0,0,0,0);
3408 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3409 info.position = player->getPosition();
3411 list.push_back(info);
3418 void Server::peerAdded(con::Peer *peer)
3420 DSTACK(__FUNCTION_NAME);
3421 verbosestream<<"Server::peerAdded(): peer->id="
3422 <<peer->id<<std::endl;
3425 c.type = PEER_ADDED;
3426 c.peer_id = peer->id;
3428 m_peer_change_queue.push_back(c);
3431 void Server::deletingPeer(con::Peer *peer, bool timeout)
3433 DSTACK(__FUNCTION_NAME);
3434 verbosestream<<"Server::deletingPeer(): peer->id="
3435 <<peer->id<<", timeout="<<timeout<<std::endl;
3438 c.type = PEER_REMOVED;
3439 c.peer_id = peer->id;
3440 c.timeout = timeout;
3441 m_peer_change_queue.push_back(c);
3448 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3450 DSTACK(__FUNCTION_NAME);
3451 std::ostringstream os(std::ios_base::binary);
3453 writeU16(os, TOCLIENT_HP);
3457 std::string s = os.str();
3458 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3460 con.Send(peer_id, 0, data, true);
3463 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3464 const std::wstring &reason)
3466 DSTACK(__FUNCTION_NAME);
3467 std::ostringstream os(std::ios_base::binary);
3469 writeU16(os, TOCLIENT_ACCESS_DENIED);
3470 os<<serializeWideString(reason);
3473 std::string s = os.str();
3474 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3476 con.Send(peer_id, 0, data, true);
3479 void Server::SendDeathscreen(con::Connection &con, u16 peer_id,
3480 bool set_camera_point_target, v3f camera_point_target)
3482 DSTACK(__FUNCTION_NAME);
3483 std::ostringstream os(std::ios_base::binary);
3485 writeU16(os, TOCLIENT_DEATHSCREEN);
3486 writeU8(os, set_camera_point_target);
3487 writeV3F1000(os, camera_point_target);
3490 std::string s = os.str();
3491 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3493 con.Send(peer_id, 0, data, true);
3496 void Server::SendItemDef(con::Connection &con, u16 peer_id,
3497 IItemDefManager *itemdef)
3499 DSTACK(__FUNCTION_NAME);
3500 std::ostringstream os(std::ios_base::binary);
3504 u32 length of the next item
3505 zlib-compressed serialized ItemDefManager
3507 writeU16(os, TOCLIENT_ITEMDEF);
3508 std::ostringstream tmp_os(std::ios::binary);
3509 itemdef->serialize(tmp_os);
3510 std::ostringstream tmp_os2(std::ios::binary);
3511 compressZlib(tmp_os.str(), tmp_os2);
3512 os<<serializeLongString(tmp_os2.str());
3515 std::string s = os.str();
3516 verbosestream<<"Server: Sending item definitions to id("<<peer_id
3517 <<"): size="<<s.size()<<std::endl;
3518 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3520 con.Send(peer_id, 0, data, true);
3523 void Server::SendNodeDef(con::Connection &con, u16 peer_id,
3524 INodeDefManager *nodedef)
3526 DSTACK(__FUNCTION_NAME);
3527 std::ostringstream os(std::ios_base::binary);
3531 u32 length of the next item
3532 zlib-compressed serialized NodeDefManager
3534 writeU16(os, TOCLIENT_NODEDEF);
3535 std::ostringstream tmp_os(std::ios::binary);
3536 nodedef->serialize(tmp_os);
3537 std::ostringstream tmp_os2(std::ios::binary);
3538 compressZlib(tmp_os.str(), tmp_os2);
3539 os<<serializeLongString(tmp_os2.str());
3542 std::string s = os.str();
3543 verbosestream<<"Server: Sending node definitions to id("<<peer_id
3544 <<"): size="<<s.size()<<std::endl;
3545 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3547 con.Send(peer_id, 0, data, true);
3551 Non-static send methods
3554 void Server::SendInventory(u16 peer_id)
3556 DSTACK(__FUNCTION_NAME);
3558 PlayerSAO *playersao = getPlayerSAO(peer_id);
3561 playersao->m_inventory_not_sent = false;
3567 std::ostringstream os;
3568 playersao->getInventory()->serialize(os);
3570 std::string s = os.str();
3572 SharedBuffer<u8> data(s.size()+2);
3573 writeU16(&data[0], TOCLIENT_INVENTORY);
3574 memcpy(&data[2], s.c_str(), s.size());
3577 m_con.Send(peer_id, 0, data, true);
3580 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3582 DSTACK(__FUNCTION_NAME);
3584 std::ostringstream os(std::ios_base::binary);
3588 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3589 os.write((char*)buf, 2);
3592 writeU16(buf, message.size());
3593 os.write((char*)buf, 2);
3596 for(u32 i=0; i<message.size(); i++)
3600 os.write((char*)buf, 2);
3604 std::string s = os.str();
3605 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3607 m_con.Send(peer_id, 0, data, true);
3610 void Server::BroadcastChatMessage(const std::wstring &message)
3612 for(core::map<u16, RemoteClient*>::Iterator
3613 i = m_clients.getIterator();
3614 i.atEnd() == false; i++)
3616 // Get client and check that it is valid
3617 RemoteClient *client = i.getNode()->getValue();
3618 assert(client->peer_id == i.getNode()->getKey());
3619 if(client->serialization_version == SER_FMT_VER_INVALID)
3622 SendChatMessage(client->peer_id, message);
3626 void Server::SendPlayerHP(u16 peer_id)
3628 DSTACK(__FUNCTION_NAME);
3629 PlayerSAO *playersao = getPlayerSAO(peer_id);
3631 playersao->m_hp_not_sent = false;
3632 SendHP(m_con, peer_id, playersao->getHP());
3635 void Server::SendMovePlayer(u16 peer_id)
3637 DSTACK(__FUNCTION_NAME);
3638 Player *player = m_env->getPlayer(peer_id);
3641 std::ostringstream os(std::ios_base::binary);
3642 writeU16(os, TOCLIENT_MOVE_PLAYER);
3643 writeV3F1000(os, player->getPosition());
3644 writeF1000(os, player->getPitch());
3645 writeF1000(os, player->getYaw());
3648 v3f pos = player->getPosition();
3649 f32 pitch = player->getPitch();
3650 f32 yaw = player->getYaw();
3651 verbosestream<<"Server: Sending TOCLIENT_MOVE_PLAYER"
3652 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3659 std::string s = os.str();
3660 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3662 m_con.Send(peer_id, 0, data, true);
3665 void Server::SendPlayerPrivileges(u16 peer_id)
3667 Player *player = m_env->getPlayer(peer_id);
3669 if(player->peer_id == PEER_ID_INEXISTENT)
3672 std::set<std::string> privs;
3673 scriptapi_get_auth(m_lua, player->getName(), NULL, &privs);
3675 std::ostringstream os(std::ios_base::binary);
3676 writeU16(os, TOCLIENT_PRIVILEGES);
3677 writeU16(os, privs.size());
3678 for(std::set<std::string>::const_iterator i = privs.begin();
3679 i != privs.end(); i++){
3680 os<<serializeString(*i);
3684 std::string s = os.str();
3685 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3687 m_con.Send(peer_id, 0, data, true);
3690 void Server::SendPlayerInventoryFormspec(u16 peer_id)
3692 Player *player = m_env->getPlayer(peer_id);
3694 if(player->peer_id == PEER_ID_INEXISTENT)
3697 std::ostringstream os(std::ios_base::binary);
3698 writeU16(os, TOCLIENT_INVENTORY_FORMSPEC);
3699 os<<serializeLongString(player->inventory_formspec);
3702 std::string s = os.str();
3703 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3705 m_con.Send(peer_id, 0, data, true);
3708 s32 Server::playSound(const SimpleSoundSpec &spec,
3709 const ServerSoundParams ¶ms)
3711 // Find out initial position of sound
3712 bool pos_exists = false;
3713 v3f pos = params.getPos(m_env, &pos_exists);
3714 // If position is not found while it should be, cancel sound
3715 if(pos_exists != (params.type != ServerSoundParams::SSP_LOCAL))
3717 // Filter destination clients
3718 std::set<RemoteClient*> dst_clients;
3719 if(params.to_player != "")
3721 Player *player = m_env->getPlayer(params.to_player.c_str());
3723 infostream<<"Server::playSound: Player \""<<params.to_player
3724 <<"\" not found"<<std::endl;
3727 if(player->peer_id == PEER_ID_INEXISTENT){
3728 infostream<<"Server::playSound: Player \""<<params.to_player
3729 <<"\" not connected"<<std::endl;
3732 RemoteClient *client = getClient(player->peer_id);
3733 dst_clients.insert(client);
3737 for(core::map<u16, RemoteClient*>::Iterator
3738 i = m_clients.getIterator(); i.atEnd() == false; i++)
3740 RemoteClient *client = i.getNode()->getValue();
3741 Player *player = m_env->getPlayer(client->peer_id);
3745 if(player->getPosition().getDistanceFrom(pos) >
3746 params.max_hear_distance)
3749 dst_clients.insert(client);
3752 if(dst_clients.size() == 0)
3755 s32 id = m_next_sound_id++;
3756 // The sound will exist as a reference in m_playing_sounds
3757 m_playing_sounds[id] = ServerPlayingSound();
3758 ServerPlayingSound &psound = m_playing_sounds[id];
3759 psound.params = params;
3760 for(std::set<RemoteClient*>::iterator i = dst_clients.begin();
3761 i != dst_clients.end(); i++)
3762 psound.clients.insert((*i)->peer_id);
3764 std::ostringstream os(std::ios_base::binary);
3765 writeU16(os, TOCLIENT_PLAY_SOUND);
3767 os<<serializeString(spec.name);
3768 writeF1000(os, spec.gain * params.gain);
3769 writeU8(os, params.type);
3770 writeV3F1000(os, pos);
3771 writeU16(os, params.object);
3772 writeU8(os, params.loop);
3774 std::string s = os.str();
3775 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3777 for(std::set<RemoteClient*>::iterator i = dst_clients.begin();
3778 i != dst_clients.end(); i++){
3780 m_con.Send((*i)->peer_id, 0, data, true);
3784 void Server::stopSound(s32 handle)
3786 // Get sound reference
3787 std::map<s32, ServerPlayingSound>::iterator i =
3788 m_playing_sounds.find(handle);
3789 if(i == m_playing_sounds.end())
3791 ServerPlayingSound &psound = i->second;
3793 std::ostringstream os(std::ios_base::binary);
3794 writeU16(os, TOCLIENT_STOP_SOUND);
3795 writeS32(os, handle);
3797 std::string s = os.str();
3798 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3800 for(std::set<u16>::iterator i = psound.clients.begin();
3801 i != psound.clients.end(); i++){
3803 m_con.Send(*i, 0, data, true);
3805 // Remove sound reference
3806 m_playing_sounds.erase(i);
3809 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3810 core::list<u16> *far_players, float far_d_nodes)
3812 float maxd = far_d_nodes*BS;
3813 v3f p_f = intToFloat(p, BS);
3817 SharedBuffer<u8> reply(replysize);
3818 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3819 writeS16(&reply[2], p.X);
3820 writeS16(&reply[4], p.Y);
3821 writeS16(&reply[6], p.Z);
3823 for(core::map<u16, RemoteClient*>::Iterator
3824 i = m_clients.getIterator();
3825 i.atEnd() == false; i++)
3827 // Get client and check that it is valid
3828 RemoteClient *client = i.getNode()->getValue();
3829 assert(client->peer_id == i.getNode()->getKey());
3830 if(client->serialization_version == SER_FMT_VER_INVALID)
3833 // Don't send if it's the same one
3834 if(client->peer_id == ignore_id)
3840 Player *player = m_env->getPlayer(client->peer_id);
3843 // If player is far away, only set modified blocks not sent
3844 v3f player_pos = player->getPosition();
3845 if(player_pos.getDistanceFrom(p_f) > maxd)
3847 far_players->push_back(client->peer_id);
3854 m_con.Send(client->peer_id, 0, reply, true);
3858 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3859 core::list<u16> *far_players, float far_d_nodes)
3861 float maxd = far_d_nodes*BS;
3862 v3f p_f = intToFloat(p, BS);
3864 for(core::map<u16, RemoteClient*>::Iterator
3865 i = m_clients.getIterator();
3866 i.atEnd() == false; i++)
3868 // Get client and check that it is valid
3869 RemoteClient *client = i.getNode()->getValue();
3870 assert(client->peer_id == i.getNode()->getKey());
3871 if(client->serialization_version == SER_FMT_VER_INVALID)
3874 // Don't send if it's the same one
3875 if(client->peer_id == ignore_id)
3881 Player *player = m_env->getPlayer(client->peer_id);
3884 // If player is far away, only set modified blocks not sent
3885 v3f player_pos = player->getPosition();
3886 if(player_pos.getDistanceFrom(p_f) > maxd)
3888 far_players->push_back(client->peer_id);
3895 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3896 SharedBuffer<u8> reply(replysize);
3897 writeU16(&reply[0], TOCLIENT_ADDNODE);
3898 writeS16(&reply[2], p.X);
3899 writeS16(&reply[4], p.Y);
3900 writeS16(&reply[6], p.Z);
3901 n.serialize(&reply[8], client->serialization_version);
3904 m_con.Send(client->peer_id, 0, reply, true);
3908 void Server::setBlockNotSent(v3s16 p)
3910 for(core::map<u16, RemoteClient*>::Iterator
3911 i = m_clients.getIterator();
3912 i.atEnd()==false; i++)
3914 RemoteClient *client = i.getNode()->getValue();
3915 client->SetBlockNotSent(p);
3919 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
3921 DSTACK(__FUNCTION_NAME);
3923 v3s16 p = block->getPos();
3927 bool completely_air = true;
3928 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
3929 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
3930 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
3932 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
3934 completely_air = false;
3935 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
3940 infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
3942 infostream<<"[completely air] ";
3943 infostream<<std::endl;
3947 Create a packet with the block in the right format
3950 std::ostringstream os(std::ios_base::binary);
3951 block->serialize(os, ver, false);
3952 std::string s = os.str();
3953 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
3955 u32 replysize = 8 + blockdata.getSize();
3956 SharedBuffer<u8> reply(replysize);
3957 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
3958 writeS16(&reply[2], p.X);
3959 writeS16(&reply[4], p.Y);
3960 writeS16(&reply[6], p.Z);
3961 memcpy(&reply[8], *blockdata, blockdata.getSize());
3963 /*infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
3964 <<": \tpacket size: "<<replysize<<std::endl;*/
3969 m_con.Send(peer_id, 1, reply, true);
3972 void Server::SendBlocks(float dtime)
3974 DSTACK(__FUNCTION_NAME);
3976 JMutexAutoLock envlock(m_env_mutex);
3977 JMutexAutoLock conlock(m_con_mutex);
3979 ScopeProfiler sp(g_profiler, "Server: sel and send blocks to clients");
3981 core::array<PrioritySortedBlockTransfer> queue;
3983 s32 total_sending = 0;
3986 ScopeProfiler sp(g_profiler, "Server: selecting blocks for sending");
3988 for(core::map<u16, RemoteClient*>::Iterator
3989 i = m_clients.getIterator();
3990 i.atEnd() == false; i++)
3992 RemoteClient *client = i.getNode()->getValue();
3993 assert(client->peer_id == i.getNode()->getKey());
3995 // If definitions and textures have not been sent, don't
3996 // send MapBlocks either
3997 if(!client->definitions_sent)
4000 total_sending += client->SendingCount();
4002 if(client->serialization_version == SER_FMT_VER_INVALID)
4005 client->GetNextBlocks(this, dtime, queue);
4010 // Lowest priority number comes first.
4011 // Lowest is most important.
4014 for(u32 i=0; i<queue.size(); i++)
4016 //TODO: Calculate limit dynamically
4017 if(total_sending >= g_settings->getS32
4018 ("max_simultaneous_block_sends_server_total"))
4021 PrioritySortedBlockTransfer q = queue[i];
4023 MapBlock *block = NULL;
4026 block = m_env->getMap().getBlockNoCreate(q.pos);
4028 catch(InvalidPositionException &e)
4033 RemoteClient *client = getClient(q.peer_id);
4035 SendBlockNoLock(q.peer_id, block, client->serialization_version);
4037 client->SentBlock(q.pos);
4043 void Server::fillMediaCache()
4045 DSTACK(__FUNCTION_NAME);
4047 infostream<<"Server: Calculating media file checksums"<<std::endl;
4049 // Collect all media file paths
4050 std::list<std::string> paths;
4051 for(core::list<ModSpec>::Iterator i = m_mods.begin();
4052 i != m_mods.end(); i++){
4053 const ModSpec &mod = *i;
4054 paths.push_back(mod.path + DIR_DELIM + "textures");
4055 paths.push_back(mod.path + DIR_DELIM + "sounds");
4056 paths.push_back(mod.path + DIR_DELIM + "media");
4057 paths.push_back(mod.path + DIR_DELIM + "models");
4059 std::string path_all = "textures";
4060 paths.push_back(path_all + DIR_DELIM + "all");
4062 // Collect media file information from paths into cache
4063 for(std::list<std::string>::iterator i = paths.begin();
4064 i != paths.end(); i++)
4066 std::string mediapath = *i;
4067 std::vector<fs::DirListNode> dirlist = fs::GetDirListing(mediapath);
4068 for(u32 j=0; j<dirlist.size(); j++){
4069 if(dirlist[j].dir) // Ignode dirs
4071 std::string filename = dirlist[j].name;
4072 // If name contains illegal characters, ignore the file
4073 if(!string_allowed(filename, TEXTURENAME_ALLOWED_CHARS)){
4074 infostream<<"Server: ignoring illegal file name: \""
4075 <<filename<<"\""<<std::endl;
4078 // If name is not in a supported format, ignore it
4079 const char *supported_ext[] = {
4080 ".png", ".jpg", ".bmp", ".tga",
4081 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
4083 ".x", ".b3d", ".md2", ".obj",
4086 if(removeStringEnd(filename, supported_ext) == ""){
4087 infostream<<"Server: ignoring unsupported file extension: \""
4088 <<filename<<"\""<<std::endl;
4091 // Ok, attempt to load the file and add to cache
4092 std::string filepath = mediapath + DIR_DELIM + filename;
4094 std::ifstream fis(filepath.c_str(), std::ios_base::binary);
4095 if(fis.good() == false){
4096 errorstream<<"Server::fillMediaCache(): Could not open \""
4097 <<filename<<"\" for reading"<<std::endl;
4100 std::ostringstream tmp_os(std::ios_base::binary);
4104 fis.read(buf, 1024);
4105 std::streamsize len = fis.gcount();
4106 tmp_os.write(buf, len);
4115 errorstream<<"Server::fillMediaCache(): Failed to read \""
4116 <<filename<<"\""<<std::endl;
4119 if(tmp_os.str().length() == 0){
4120 errorstream<<"Server::fillMediaCache(): Empty file \""
4121 <<filepath<<"\""<<std::endl;
4126 sha1.addBytes(tmp_os.str().c_str(), tmp_os.str().length());
4128 unsigned char *digest = sha1.getDigest();
4129 std::string sha1_base64 = base64_encode(digest, 20);
4130 std::string sha1_hex = hex_encode((char*)digest, 20);
4134 this->m_media[filename] = MediaInfo(filepath, sha1_base64);
4135 verbosestream<<"Server: "<<sha1_hex<<" is "<<filename<<std::endl;
4140 struct SendableMediaAnnouncement
4143 std::string sha1_digest;
4145 SendableMediaAnnouncement(const std::string name_="",
4146 const std::string sha1_digest_=""):
4148 sha1_digest(sha1_digest_)
4152 void Server::sendMediaAnnouncement(u16 peer_id)
4154 DSTACK(__FUNCTION_NAME);
4156 verbosestream<<"Server: Announcing files to id("<<peer_id<<")"
4159 core::list<SendableMediaAnnouncement> file_announcements;
4161 for(std::map<std::string, MediaInfo>::iterator i = m_media.begin();
4162 i != m_media.end(); i++){
4164 file_announcements.push_back(
4165 SendableMediaAnnouncement(i->first, i->second.sha1_digest));
4169 std::ostringstream os(std::ios_base::binary);
4177 u16 length of sha1_digest
4182 writeU16(os, TOCLIENT_ANNOUNCE_MEDIA);
4183 writeU16(os, file_announcements.size());
4185 for(core::list<SendableMediaAnnouncement>::Iterator
4186 j = file_announcements.begin();
4187 j != file_announcements.end(); j++){
4188 os<<serializeString(j->name);
4189 os<<serializeString(j->sha1_digest);
4193 std::string s = os.str();
4194 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
4197 m_con.Send(peer_id, 0, data, true);
4201 struct SendableMedia
4207 SendableMedia(const std::string &name_="", const std::string path_="",
4208 const std::string &data_=""):
4215 void Server::sendRequestedMedia(u16 peer_id,
4216 const core::list<MediaRequest> &tosend)
4218 DSTACK(__FUNCTION_NAME);
4220 verbosestream<<"Server::sendRequestedMedia(): "
4221 <<"Sending files to client"<<std::endl;
4225 // Put 5kB in one bunch (this is not accurate)
4226 u32 bytes_per_bunch = 5000;
4228 core::array< core::list<SendableMedia> > file_bunches;
4229 file_bunches.push_back(core::list<SendableMedia>());
4231 u32 file_size_bunch_total = 0;
4233 for(core::list<MediaRequest>::ConstIterator i = tosend.begin();
4234 i != tosend.end(); i++)
4236 if(m_media.find(i->name) == m_media.end()){
4237 errorstream<<"Server::sendRequestedMedia(): Client asked for "
4238 <<"unknown file \""<<(i->name)<<"\""<<std::endl;
4242 //TODO get path + name
4243 std::string tpath = m_media[(*i).name].path;
4246 std::ifstream fis(tpath.c_str(), std::ios_base::binary);
4247 if(fis.good() == false){
4248 errorstream<<"Server::sendRequestedMedia(): Could not open \""
4249 <<tpath<<"\" for reading"<<std::endl;
4252 std::ostringstream tmp_os(std::ios_base::binary);
4256 fis.read(buf, 1024);
4257 std::streamsize len = fis.gcount();
4258 tmp_os.write(buf, len);
4259 file_size_bunch_total += len;
4268 errorstream<<"Server::sendRequestedMedia(): Failed to read \""
4269 <<(*i).name<<"\""<<std::endl;
4272 /*infostream<<"Server::sendRequestedMedia(): Loaded \""
4273 <<tname<<"\""<<std::endl;*/
4275 file_bunches[file_bunches.size()-1].push_back(
4276 SendableMedia((*i).name, tpath, tmp_os.str()));
4278 // Start next bunch if got enough data
4279 if(file_size_bunch_total >= bytes_per_bunch){
4280 file_bunches.push_back(core::list<SendableMedia>());
4281 file_size_bunch_total = 0;
4286 /* Create and send packets */
4288 u32 num_bunches = file_bunches.size();
4289 for(u32 i=0; i<num_bunches; i++)
4291 std::ostringstream os(std::ios_base::binary);
4295 u16 total number of texture bunches
4296 u16 index of this bunch
4297 u32 number of files in this bunch
4306 writeU16(os, TOCLIENT_MEDIA);
4307 writeU16(os, num_bunches);
4309 writeU32(os, file_bunches[i].size());
4311 for(core::list<SendableMedia>::Iterator
4312 j = file_bunches[i].begin();
4313 j != file_bunches[i].end(); j++){
4314 os<<serializeString(j->name);
4315 os<<serializeLongString(j->data);
4319 std::string s = os.str();
4320 verbosestream<<"Server::sendRequestedMedia(): bunch "
4321 <<i<<"/"<<num_bunches
4322 <<" files="<<file_bunches[i].size()
4323 <<" size=" <<s.size()<<std::endl;
4324 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
4326 m_con.Send(peer_id, 0, data, true);
4330 void Server::sendDetachedInventory(const std::string &name, u16 peer_id)
4332 if(m_detached_inventories.count(name) == 0){
4333 errorstream<<__FUNCTION_NAME<<": \""<<name<<"\" not found"<<std::endl;
4336 Inventory *inv = m_detached_inventories[name];
4338 std::ostringstream os(std::ios_base::binary);
4339 writeU16(os, TOCLIENT_DETACHED_INVENTORY);
4340 os<<serializeString(name);
4344 std::string s = os.str();
4345 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
4347 m_con.Send(peer_id, 0, data, true);
4350 void Server::sendDetachedInventoryToAll(const std::string &name)
4352 DSTACK(__FUNCTION_NAME);
4354 for(core::map<u16, RemoteClient*>::Iterator
4355 i = m_clients.getIterator();
4356 i.atEnd() == false; i++){
4357 RemoteClient *client = i.getNode()->getValue();
4358 sendDetachedInventory(name, client->peer_id);
4362 void Server::sendDetachedInventories(u16 peer_id)
4364 DSTACK(__FUNCTION_NAME);
4366 for(std::map<std::string, Inventory*>::iterator
4367 i = m_detached_inventories.begin();
4368 i != m_detached_inventories.end(); i++){
4369 const std::string &name = i->first;
4370 //Inventory *inv = i->second;
4371 sendDetachedInventory(name, peer_id);
4379 void Server::DiePlayer(u16 peer_id)
4381 DSTACK(__FUNCTION_NAME);
4383 PlayerSAO *playersao = getPlayerSAO(peer_id);
4386 infostream<<"Server::DiePlayer(): Player "
4387 <<playersao->getPlayer()->getName()
4388 <<" dies"<<std::endl;
4390 playersao->setHP(0);
4392 // Trigger scripted stuff
4393 scriptapi_on_dieplayer(m_lua, playersao);
4395 SendPlayerHP(peer_id);
4396 SendDeathscreen(m_con, peer_id, false, v3f(0,0,0));
4399 void Server::RespawnPlayer(u16 peer_id)
4401 DSTACK(__FUNCTION_NAME);
4403 PlayerSAO *playersao = getPlayerSAO(peer_id);
4406 infostream<<"Server::RespawnPlayer(): Player "
4407 <<playersao->getPlayer()->getName()
4408 <<" respawns"<<std::endl;
4410 playersao->setHP(PLAYER_MAX_HP);
4412 bool repositioned = scriptapi_on_respawnplayer(m_lua, playersao);
4414 v3f pos = findSpawnPos(m_env->getServerMap());
4415 playersao->setPos(pos);
4419 void Server::UpdateCrafting(u16 peer_id)
4421 DSTACK(__FUNCTION_NAME);
4423 Player* player = m_env->getPlayer(peer_id);
4426 // Get a preview for crafting
4428 getCraftingResult(&player->inventory, preview, false, this);
4430 // Put the new preview in
4431 InventoryList *plist = player->inventory.getList("craftpreview");
4433 assert(plist->getSize() >= 1);
4434 plist->changeItem(0, preview);
4437 RemoteClient* Server::getClient(u16 peer_id)
4439 DSTACK(__FUNCTION_NAME);
4440 //JMutexAutoLock lock(m_con_mutex);
4441 core::map<u16, RemoteClient*>::Node *n;
4442 n = m_clients.find(peer_id);
4443 // A client should exist for all peers
4445 return n->getValue();
4448 std::wstring Server::getStatusString()
4450 std::wostringstream os(std::ios_base::binary);
4453 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4455 os<<L", uptime="<<m_uptime.get();
4456 // Information about clients
4457 core::map<u16, RemoteClient*>::Iterator i;
4460 for(i = m_clients.getIterator(), first = true;
4461 i.atEnd() == false; i++)
4463 // Get client and check that it is valid
4464 RemoteClient *client = i.getNode()->getValue();
4465 assert(client->peer_id == i.getNode()->getKey());
4466 if(client->serialization_version == SER_FMT_VER_INVALID)
4469 Player *player = m_env->getPlayer(client->peer_id);
4470 // Get name of player
4471 std::wstring name = L"unknown";
4473 name = narrow_to_wide(player->getName());
4474 // Add name to information string
4482 if(((ServerMap*)(&m_env->getMap()))->isSavingEnabled() == false)
4483 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4484 if(g_settings->get("motd") != "")
4485 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings->get("motd"));
4489 std::set<std::string> Server::getPlayerEffectivePrivs(const std::string &name)
4491 std::set<std::string> privs;
4492 scriptapi_get_auth(m_lua, name, NULL, &privs);
4496 bool Server::checkPriv(const std::string &name, const std::string &priv)
4498 std::set<std::string> privs = getPlayerEffectivePrivs(name);
4499 return (privs.count(priv) != 0);
4502 void Server::reportPrivsModified(const std::string &name)
4505 for(core::map<u16, RemoteClient*>::Iterator
4506 i = m_clients.getIterator();
4507 i.atEnd() == false; i++){
4508 RemoteClient *client = i.getNode()->getValue();
4509 Player *player = m_env->getPlayer(client->peer_id);
4510 reportPrivsModified(player->getName());
4513 Player *player = m_env->getPlayer(name.c_str());
4516 SendPlayerPrivileges(player->peer_id);
4517 PlayerSAO *sao = player->getPlayerSAO();
4520 sao->updatePrivileges(
4521 getPlayerEffectivePrivs(name),
4526 void Server::reportInventoryFormspecModified(const std::string &name)
4528 Player *player = m_env->getPlayer(name.c_str());
4531 SendPlayerInventoryFormspec(player->peer_id);
4534 // Saves g_settings to configpath given at initialization
4535 void Server::saveConfig()
4537 if(m_path_config != "")
4538 g_settings->updateConfigFile(m_path_config.c_str());
4541 void Server::notifyPlayer(const char *name, const std::wstring msg)
4543 Player *player = m_env->getPlayer(name);
4546 SendChatMessage(player->peer_id, std::wstring(L"Server: -!- ")+msg);
4549 void Server::notifyPlayers(const std::wstring msg)
4551 BroadcastChatMessage(msg);
4554 void Server::queueBlockEmerge(v3s16 blockpos, bool allow_generate)
4558 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
4559 m_emerge_queue.addBlock(PEER_ID_INEXISTENT, blockpos, flags);
4562 Inventory* Server::createDetachedInventory(const std::string &name)
4564 if(m_detached_inventories.count(name) > 0){
4565 infostream<<"Server clearing detached inventory \""<<name<<"\""<<std::endl;
4566 delete m_detached_inventories[name];
4568 infostream<<"Server creating detached inventory \""<<name<<"\""<<std::endl;
4570 Inventory *inv = new Inventory(m_itemdef);
4572 m_detached_inventories[name] = inv;
4573 sendDetachedInventoryToAll(name);
4580 BoolScopeSet(bool *dst, bool val):
4583 m_orig_state = *m_dst;
4588 *m_dst = m_orig_state;
4595 // actions: time-reversed list
4596 // Return value: success/failure
4597 bool Server::rollbackRevertActions(const std::list<RollbackAction> &actions,
4598 std::list<std::string> *log)
4600 infostream<<"Server::rollbackRevertActions(len="<<actions.size()<<")"<<std::endl;
4601 ServerMap *map = (ServerMap*)(&m_env->getMap());
4602 // Disable rollback report sink while reverting
4603 BoolScopeSet rollback_scope_disable(&m_rollback_sink_enabled, false);
4605 // Fail if no actions to handle
4606 if(actions.empty()){
4607 log->push_back("Nothing to do.");
4614 for(std::list<RollbackAction>::const_iterator
4615 i = actions.begin();
4616 i != actions.end(); i++)
4618 const RollbackAction &action = *i;
4620 bool success = action.applyRevert(map, this, this);
4623 std::ostringstream os;
4624 os<<"Revert of step ("<<num_tried<<") "<<action.toString()<<" failed";
4625 infostream<<"Map::rollbackRevertActions(): "<<os.str()<<std::endl;
4627 log->push_back(os.str());
4629 std::ostringstream os;
4630 os<<"Succesfully reverted step ("<<num_tried<<") "<<action.toString();
4631 infostream<<"Map::rollbackRevertActions(): "<<os.str()<<std::endl;
4633 log->push_back(os.str());
4637 infostream<<"Map::rollbackRevertActions(): "<<num_failed<<"/"<<num_tried
4638 <<" failed"<<std::endl;
4640 // Call it done if less than half failed
4641 return num_failed <= num_tried/2;
4644 // IGameDef interface
4646 IItemDefManager* Server::getItemDefManager()
4650 INodeDefManager* Server::getNodeDefManager()
4654 ICraftDefManager* Server::getCraftDefManager()
4658 ITextureSource* Server::getTextureSource()
4662 u16 Server::allocateUnknownNodeId(const std::string &name)
4664 return m_nodedef->allocateDummy(name);
4666 ISoundManager* Server::getSoundManager()
4668 return &dummySoundManager;
4670 MtEventManager* Server::getEventManager()
4674 IRollbackReportSink* Server::getRollbackReportSink()
4676 if(!m_enable_rollback_recording)
4678 if(!m_rollback_sink_enabled)
4683 IWritableItemDefManager* Server::getWritableItemDefManager()
4687 IWritableNodeDefManager* Server::getWritableNodeDefManager()
4691 IWritableCraftDefManager* Server::getWritableCraftDefManager()
4696 const ModSpec* Server::getModSpec(const std::string &modname)
4698 for(core::list<ModSpec>::Iterator i = m_mods.begin();
4699 i != m_mods.end(); i++){
4700 const ModSpec &mod = *i;
4701 if(mod.name == modname)
4706 void Server::getModNames(core::list<std::string> &modlist)
4708 for(core::list<ModSpec>::Iterator i = m_mods.begin(); i != m_mods.end(); i++)
4710 modlist.push_back((*i).name);
4713 std::string Server::getBuiltinLuaPath()
4715 return porting::path_share + DIR_DELIM + "builtin";
4718 v3f findSpawnPos(ServerMap &map)
4720 //return v3f(50,50,50)*BS;
4725 nodepos = v2s16(0,0);
4730 // Try to find a good place a few times
4731 for(s32 i=0; i<1000; i++)
4734 // We're going to try to throw the player to this position
4735 v2s16 nodepos2d = v2s16(-range + (myrand()%(range*2)),
4736 -range + (myrand()%(range*2)));
4737 //v2s16 sectorpos = getNodeSectorPos(nodepos2d);
4738 // Get ground height at point (fallbacks to heightmap function)
4739 s16 groundheight = map.findGroundLevel(nodepos2d);
4740 // Don't go underwater
4741 if(groundheight < WATER_LEVEL)
4743 //infostream<<"-> Underwater"<<std::endl;
4746 // Don't go to high places
4747 if(groundheight > WATER_LEVEL + 4)
4749 //infostream<<"-> Underwater"<<std::endl;
4753 nodepos = v3s16(nodepos2d.X, groundheight-2, nodepos2d.Y);
4754 bool is_good = false;
4756 for(s32 i=0; i<10; i++){
4757 v3s16 blockpos = getNodeBlockPos(nodepos);
4758 map.emergeBlock(blockpos, true);
4759 MapNode n = map.getNodeNoEx(nodepos);
4760 if(n.getContent() == CONTENT_AIR){
4771 // Found a good place
4772 //infostream<<"Searched through "<<i<<" places."<<std::endl;
4778 return intToFloat(nodepos, BS);
4781 PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id)
4783 RemotePlayer *player = NULL;
4784 bool newplayer = false;
4787 Try to get an existing player
4789 player = static_cast<RemotePlayer*>(m_env->getPlayer(name));
4791 // If player is already connected, cancel
4792 if(player != NULL && player->peer_id != 0)
4794 infostream<<"emergePlayer(): Player already connected"<<std::endl;
4799 If player with the wanted peer_id already exists, cancel.
4801 if(m_env->getPlayer(peer_id) != NULL)
4803 infostream<<"emergePlayer(): Player with wrong name but same"
4804 " peer_id already exists"<<std::endl;
4809 Create a new player if it doesn't exist yet
4814 player = new RemotePlayer(this);
4815 player->updateName(name);
4817 /* Set player position */
4818 infostream<<"Server: Finding spawn place for player \""
4819 <<name<<"\""<<std::endl;
4820 v3f pos = findSpawnPos(m_env->getServerMap());
4821 player->setPosition(pos);
4823 /* Add player to environment */
4824 m_env->addPlayer(player);
4828 Create a new player active object
4830 PlayerSAO *playersao = new PlayerSAO(m_env, player, peer_id,
4831 getPlayerEffectivePrivs(player->getName()),
4834 /* Add object to environment */
4835 m_env->addActiveObject(playersao);
4839 scriptapi_on_newplayer(m_lua, playersao);
4841 scriptapi_on_joinplayer(m_lua, playersao);
4846 void Server::handlePeerChange(PeerChange &c)
4848 JMutexAutoLock envlock(m_env_mutex);
4849 JMutexAutoLock conlock(m_con_mutex);
4851 if(c.type == PEER_ADDED)
4858 core::map<u16, RemoteClient*>::Node *n;
4859 n = m_clients.find(c.peer_id);
4860 // The client shouldn't already exist
4864 RemoteClient *client = new RemoteClient();
4865 client->peer_id = c.peer_id;
4866 m_clients.insert(client->peer_id, client);
4869 else if(c.type == PEER_REMOVED)
4876 core::map<u16, RemoteClient*>::Node *n;
4877 n = m_clients.find(c.peer_id);
4878 // The client should exist
4882 Mark objects to be not known by the client
4884 RemoteClient *client = n->getValue();
4886 for(core::map<u16, bool>::Iterator
4887 i = client->m_known_objects.getIterator();
4888 i.atEnd()==false; i++)
4891 u16 id = i.getNode()->getKey();
4892 ServerActiveObject* obj = m_env->getActiveObject(id);
4894 if(obj && obj->m_known_by_count > 0)
4895 obj->m_known_by_count--;
4899 Clear references to playing sounds
4901 for(std::map<s32, ServerPlayingSound>::iterator
4902 i = m_playing_sounds.begin();
4903 i != m_playing_sounds.end();)
4905 ServerPlayingSound &psound = i->second;
4906 psound.clients.erase(c.peer_id);
4907 if(psound.clients.size() == 0)
4908 m_playing_sounds.erase(i++);
4913 Player *player = m_env->getPlayer(c.peer_id);
4915 // Collect information about leaving in chat
4916 std::wstring message;
4920 std::wstring name = narrow_to_wide(player->getName());
4923 message += L" left the game.";
4925 message += L" (timed out)";
4929 /* Run scripts and remove from environment */
4933 PlayerSAO *playersao = player->getPlayerSAO();
4936 scriptapi_on_leaveplayer(m_lua, playersao);
4938 playersao->disconnected();
4948 std::ostringstream os(std::ios_base::binary);
4949 for(core::map<u16, RemoteClient*>::Iterator
4950 i = m_clients.getIterator();
4951 i.atEnd() == false; i++)
4953 RemoteClient *client = i.getNode()->getValue();
4954 assert(client->peer_id == i.getNode()->getKey());
4955 if(client->serialization_version == SER_FMT_VER_INVALID)
4958 Player *player = m_env->getPlayer(client->peer_id);
4961 // Get name of player
4962 os<<player->getName()<<" ";
4965 actionstream<<player->getName()<<" "
4966 <<(c.timeout?"times out.":"leaves game.")
4967 <<" List of players: "
4968 <<os.str()<<std::endl;
4973 delete m_clients[c.peer_id];
4974 m_clients.remove(c.peer_id);
4976 // Send player info to all remaining clients
4977 //SendPlayerInfos();
4979 // Send leave chat message to all remaining clients
4980 if(message.length() != 0)
4981 BroadcastChatMessage(message);
4990 void Server::handlePeerChanges()
4992 while(m_peer_change_queue.size() > 0)
4994 PeerChange c = m_peer_change_queue.pop_front();
4996 verbosestream<<"Server: Handling peer change: "
4997 <<"id="<<c.peer_id<<", timeout="<<c.timeout
5000 handlePeerChange(c);
5004 void dedicated_server_loop(Server &server, bool &kill)
5006 DSTACK(__FUNCTION_NAME);
5008 verbosestream<<"dedicated_server_loop()"<<std::endl;
5010 IntervalLimiter m_profiler_interval;
5014 float steplen = g_settings->getFloat("dedicated_server_step");
5015 // This is kind of a hack but can be done like this
5016 // because server.step() is very light
5018 ScopeProfiler sp(g_profiler, "dedicated server sleep");
5019 sleep_ms((int)(steplen*1000.0));
5021 server.step(steplen);
5023 if(server.getShutdownRequested() || kill)
5025 infostream<<"Dedicated server quitting"<<std::endl;
5032 float profiler_print_interval =
5033 g_settings->getFloat("profiler_print_interval");
5034 if(profiler_print_interval != 0)
5036 if(m_profiler_interval.step(steplen, profiler_print_interval))
5038 infostream<<"Profiler:"<<std::endl;
5039 g_profiler->print(infostream);
5040 g_profiler->clear();