bool simple_singleplayer_mode,
Address bind_addr,
bool dedicated,
- ChatInterface *iface
+ ChatInterface *iface,
+ std::string *on_shutdown_errmsg
):
m_bind_addr(bind_addr),
m_path_world(path_world),
m_thread(new ServerThread(this)),
m_clients(m_con),
m_admin_chat(iface),
+ m_on_shutdown_errmsg(on_shutdown_errmsg),
m_modchannel_mgr(new ModChannelMgr())
{
if (m_path_world.empty())
// Execute script shutdown hooks
infostream << "Executing shutdown hooks" << std::endl;
- m_script->on_shutdown();
+ try {
+ m_script->on_shutdown();
+ } catch (ModError &e) {
+ errorstream << "ModError: " << e.what() << std::endl;
+ if (m_on_shutdown_errmsg) {
+ if (m_on_shutdown_errmsg->empty()) {
+ *m_on_shutdown_errmsg = std::string("ModError: ") + e.what();
+ } else {
+ *m_on_shutdown_errmsg += std::string("\nModError: ") + e.what();
+ }
+ }
+ }
infostream << "Server: Saving environment metadata" << std::endl;
m_env->saveMeta();
infostream << "- game: " << m_gamespec.path << std::endl;
// Create world if it doesn't exist
- if (!loadGameConfAndInitWorld(m_path_world, m_gamespec))
- throw ServerError("Failed to initialize world");
+ try {
+ loadGameConfAndInitWorld(m_path_world,
+ fs::GetFilenameFromPath(m_path_world.c_str()),
+ m_gamespec, false);
+ } catch (const BaseException &e) {
+ throw ServerError(std::string("Failed to initialize world: ") + e.what());
+ }
// Create emerge manager
m_emerge = new EmergeManager(this);
std::unordered_map<u16, std::vector<ActiveObjectMessage>*> buffered_messages;
// Get active object messages from environment
+ ActiveObjectMessage aom(0);
+ u32 aom_count = 0;
for(;;) {
- ActiveObjectMessage aom = m_env->getActiveObjectMessage();
- if (aom.id == 0)
+ if (!m_env->getActiveObjectMessage(&aom))
break;
std::vector<ActiveObjectMessage>* message_list = nullptr;
- std::unordered_map<u16, std::vector<ActiveObjectMessage>* >::iterator n;
- n = buffered_messages.find(aom.id);
+ auto n = buffered_messages.find(aom.id);
if (n == buffered_messages.end()) {
message_list = new std::vector<ActiveObjectMessage>;
buffered_messages[aom.id] = message_list;
- }
- else {
+ } else {
message_list = n->second;
}
- message_list->push_back(aom);
+ message_list->push_back(std::move(aom));
+ aom_count++;
}
- m_aom_buffer_counter->increment(buffered_messages.size());
+ m_aom_buffer_counter->increment(aom_count);
m_clients.lock();
const RemoteClientMap &clients = m_clients.getClientList();
// Route data to every client
+ std::string reliable_data, unreliable_data;
for (const auto &client_it : clients) {
+ reliable_data.clear();
+ unreliable_data.clear();
RemoteClient *client = client_it.second;
PlayerSAO *player = getPlayerSAO(client->peer_id);
- std::string reliable_data;
- std::string unreliable_data;
// Go through all objects in message buffer
for (const auto &buffered_message : buffered_messages) {
// If object does not exist or is not known by client, skip it
client->m_known_objects.end())
continue;
}
- // Compose the full new data with header
- std::string new_data;
- // Add object id
- char buf[2];
- writeU16((u8*)&buf[0], aom.id);
- new_data.append(buf, 2);
- // Add data
- new_data += serializeString(aom.datastring);
- // Add data to buffer
- if (aom.reliable)
- reliable_data += new_data;
- else
- unreliable_data += new_data;
+
+ // Add full new data to appropriate buffer
+ std::string &buffer = aom.reliable ? reliable_data : unreliable_data;
+ char idbuf[2];
+ writeU16((u8*) idbuf, aom.id);
+ // u16 id
+ // std::string data
+ buffer.append(idbuf, sizeof(idbuf));
+ buffer.append(serializeString(aom.datastring));
}
}
/*
void Server::SendAddParticleSpawner(session_t peer_id, u16 protocol_version,
const ParticleSpawnerParameters &p, u16 attached_id, u32 id)
{
+ static thread_local const float radius =
+ g_settings->getS16("max_block_send_distance") * MAP_BLOCKSIZE * BS;
+
if (peer_id == PEER_ID_INEXISTENT) {
std::vector<session_t> clients = m_clients.getClientIDs();
+ const v3f pos = (p.minpos + p.maxpos) / 2.0f * BS;
+ const float radius_sq = radius * radius;
+ /* Don't send short-lived spawners to distant players.
+ * This could be replaced with proper tracking at some point. */
+ const bool distance_check = !attached_id && p.time <= 1.0f;
+
for (const session_t client_id : clients) {
RemotePlayer *player = m_env->getPlayer(client_id);
if (!player)
continue;
+
+ if (distance_check) {
+ PlayerSAO *sao = player->getPlayerSAO();
+ if (!sao)
+ continue;
+ if (sao->getBasePosition().getDistanceFromSQ(pos) > radius_sq)
+ continue;
+ }
+
SendAddParticleSpawner(client_id, player->protocol_version,
p, attached_id, id);
}
pkt.putRawString(os.str());
}
pkt << p.glow << p.object_collision;
+ pkt << p.node.param0 << p.node.param2 << p.node_tile;
Send(&pkt);
}
return true;
}
+bool Server::addMediaFile(const std::string &filename,
+ const std::string &filepath, std::string *filedata_to,
+ std::string *digest_to)
+{
+ // If name contains illegal characters, ignore the file
+ if (!string_allowed(filename, TEXTURENAME_ALLOWED_CHARS)) {
+ infostream << "Server: ignoring illegal file name: \""
+ << filename << "\"" << std::endl;
+ return false;
+ }
+ // If name is not in a supported format, ignore it
+ const char *supported_ext[] = {
+ ".png", ".jpg", ".bmp", ".tga",
+ ".pcx", ".ppm", ".psd", ".wal", ".rgb",
+ ".ogg",
+ ".x", ".b3d", ".md2", ".obj",
+ // Custom translation file format
+ ".tr",
+ NULL
+ };
+ if (removeStringEnd(filename, supported_ext).empty()) {
+ infostream << "Server: ignoring unsupported file extension: \""
+ << filename << "\"" << std::endl;
+ return false;
+ }
+ // Ok, attempt to load the file and add to cache
+
+ // Read data
+ std::ifstream fis(filepath.c_str(), std::ios_base::binary);
+ if (!fis.good()) {
+ errorstream << "Server::addMediaFile(): Could not open \""
+ << filename << "\" for reading" << std::endl;
+ return false;
+ }
+ std::string filedata;
+ bool bad = false;
+ for (;;) {
+ char buf[1024];
+ fis.read(buf, sizeof(buf));
+ std::streamsize len = fis.gcount();
+ filedata.append(buf, len);
+ if (fis.eof())
+ break;
+ if (!fis.good()) {
+ bad = true;
+ break;
+ }
+ }
+ if (bad) {
+ errorstream << "Server::addMediaFile(): Failed to read \""
+ << filename << "\"" << std::endl;
+ return false;
+ } else if (filedata.empty()) {
+ errorstream << "Server::addMediaFile(): Empty file \""
+ << filepath << "\"" << std::endl;
+ return false;
+ }
+
+ SHA1 sha1;
+ sha1.addBytes(filedata.c_str(), filedata.length());
+
+ unsigned char *digest = sha1.getDigest();
+ std::string sha1_base64 = base64_encode(digest, 20);
+ std::string sha1_hex = hex_encode((char*) digest, 20);
+ if (digest_to)
+ *digest_to = std::string((char*) digest, 20);
+ free(digest);
+
+ // Put in list
+ m_media[filename] = MediaInfo(filepath, sha1_base64);
+ verbosestream << "Server: " << sha1_hex << " is " << filename
+ << std::endl;
+
+ if (filedata_to)
+ *filedata_to = std::move(filedata);
+ return true;
+}
+
void Server::fillMediaCache()
{
- infostream<<"Server: Calculating media file checksums"<<std::endl;
+ infostream << "Server: Calculating media file checksums" << std::endl;
// Collect all media file paths
std::vector<std::string> paths;
- m_modmgr->getModsMediaPaths(paths);
- fs::GetRecursiveDirs(paths, m_gamespec.path + DIR_DELIM + "textures");
+ // The paths are ordered in descending priority
fs::GetRecursiveDirs(paths, porting::path_user + DIR_DELIM + "textures" + DIR_DELIM + "server");
+ fs::GetRecursiveDirs(paths, m_gamespec.path + DIR_DELIM + "textures");
+ m_modmgr->getModsMediaPaths(paths);
// Collect media file information from paths into cache
for (const std::string &mediapath : paths) {
std::vector<fs::DirListNode> dirlist = fs::GetDirListing(mediapath);
for (const fs::DirListNode &dln : dirlist) {
- if (dln.dir) // Ignode dirs
- continue;
- std::string filename = dln.name;
- // If name contains illegal characters, ignore the file
- if (!string_allowed(filename, TEXTURENAME_ALLOWED_CHARS)) {
- infostream<<"Server: ignoring illegal file name: \""
- << filename << "\"" << std::endl;
- continue;
- }
- // If name is not in a supported format, ignore it
- const char *supported_ext[] = {
- ".png", ".jpg", ".bmp", ".tga",
- ".pcx", ".ppm", ".psd", ".wal", ".rgb",
- ".ogg",
- ".x", ".b3d", ".md2", ".obj",
- // Custom translation file format
- ".tr",
- NULL
- };
- if (removeStringEnd(filename, supported_ext).empty()){
- infostream << "Server: ignoring unsupported file extension: \""
- << filename << "\"" << std::endl;
- continue;
- }
- // Ok, attempt to load the file and add to cache
- std::string filepath;
- filepath.append(mediapath).append(DIR_DELIM).append(filename);
-
- // Read data
- std::ifstream fis(filepath.c_str(), std::ios_base::binary);
- if (!fis.good()) {
- errorstream << "Server::fillMediaCache(): Could not open \""
- << filename << "\" for reading" << std::endl;
- continue;
- }
- std::ostringstream tmp_os(std::ios_base::binary);
- bool bad = false;
- for(;;) {
- char buf[1024];
- fis.read(buf, 1024);
- std::streamsize len = fis.gcount();
- tmp_os.write(buf, len);
- if (fis.eof())
- break;
- if (!fis.good()) {
- bad = true;
- break;
- }
- }
- if(bad) {
- errorstream<<"Server::fillMediaCache(): Failed to read \""
- << filename << "\"" << std::endl;
- continue;
- }
- if(tmp_os.str().length() == 0) {
- errorstream << "Server::fillMediaCache(): Empty file \""
- << filepath << "\"" << std::endl;
+ if (dln.dir) // Ignore dirs (already in paths)
continue;
- }
-
- SHA1 sha1;
- sha1.addBytes(tmp_os.str().c_str(), tmp_os.str().length());
- unsigned char *digest = sha1.getDigest();
- std::string sha1_base64 = base64_encode(digest, 20);
- std::string sha1_hex = hex_encode((char*)digest, 20);
- free(digest);
+ const std::string &filename = dln.name;
+ if (m_media.find(filename) != m_media.end()) // Do not override
+ continue;
- // Put in list
- m_media[filename] = MediaInfo(filepath, sha1_base64);
- verbosestream << "Server: " << sha1_hex << " is " << filename
- << std::endl;
+ std::string filepath = mediapath;
+ filepath.append(DIR_DELIM).append(filename);
+ addMediaFile(filename, filepath);
}
}
+
+ infostream << "Server: " << m_media.size() << " media files collected" << std::endl;
}
void Server::sendMediaAnnouncement(session_t peer_id, const std::string &lang_code)
SendDeleteParticleSpawner(peer_id, id);
}
+bool Server::dynamicAddMedia(const std::string &filepath)
+{
+ std::string filename = fs::GetFilenameFromPath(filepath.c_str());
+ if (m_media.find(filename) != m_media.end()) {
+ errorstream << "Server::dynamicAddMedia(): file \"" << filename
+ << "\" already exists in media cache" << std::endl;
+ return false;
+ }
+
+ // Load the file and add it to our media cache
+ std::string filedata, raw_hash;
+ bool ok = addMediaFile(filename, filepath, &filedata, &raw_hash);
+ if (!ok)
+ return false;
+
+ // Push file to existing clients
+ NetworkPacket pkt(TOCLIENT_MEDIA_PUSH, 0);
+ pkt << raw_hash << filename << (bool) true;
+ pkt.putLongString(filedata);
+
+ auto client_ids = m_clients.getClientIDs(CS_DefinitionsSent);
+ for (session_t client_id : client_ids) {
+ /*
+ The network layer only guarantees ordered delivery inside a channel.
+ Since the very next packet could be one that uses the media, we have
+ to push the media over ALL channels to ensure it is processed before
+ it is used.
+ In practice this means we have to send it twice:
+ - channel 1 (HUD)
+ - channel 0 (everything else: e.g. play_sound, object messages)
+ */
+ m_clients.send(client_id, 1, &pkt, true);
+ m_clients.send(client_id, 0, &pkt, true);
+ }
+
+ return true;
+}
+
// actions: time-reversed list
// Return value: success/failure
bool Server::rollbackRevertActions(const std::list<RollbackAction> &actions,