]> git.lizzy.rs Git - minetest.git/blobdiff - src/server.h
Proper handling of failing to bind server socket
[minetest.git] / src / server.h
index dac7e2826314b9ccd17e26cbe13081223141952c..0b4c67deb10a0008cb3fb1a10ff8529760039232 100644 (file)
@@ -29,6 +29,34 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "inventory.h"
 #include "auth.h"
 #include "ban.h"
+#include "gamedef.h"
+#include "serialization.h" // For SER_FMT_VER_INVALID
+#include "serverremoteplayer.h"
+#include "mods.h"
+#include "inventorymanager.h"
+#include "subgame.h"
+struct LuaState;
+typedef struct lua_State lua_State;
+class IWritableItemDefManager;
+class IWritableNodeDefManager;
+class IWritableCraftDefManager;
+
+class ServerError : public std::exception
+{
+public:
+       ServerError(const std::string &s)
+       {
+               m_s = "ServerError: ";
+               m_s += s;
+       }
+       virtual ~ServerError() throw()
+       {}
+       virtual const char * what() const throw()
+       {
+               return m_s.c_str();
+       }
+       std::string m_s;
+};
 
 /*
        Some random functions
@@ -201,8 +229,6 @@ struct PlayerInfo
        void PrintLine(std::ostream *s);
 };
 
-u32 PIChecksum(core::list<PlayerInfo> &l);
-
 /*
        Used for queueing and sorting block transfers in containers
        
@@ -225,6 +251,28 @@ struct PrioritySortedBlockTransfer
        u16 peer_id;
 };
 
+struct TextureRequest
+{
+       std::string name;
+
+       TextureRequest(const std::string &name_=""):
+               name(name_)
+       {}
+};
+
+struct TextureInformation
+{
+       std::string path;
+       std::string sha1_digest;
+
+       TextureInformation(const std::string path_="",
+                       const std::string sha1_digest_=""):
+               path(path_),
+               sha1_digest(sha1_digest_)
+       {
+       }
+};
+
 class RemoteClient
 {
 public:
@@ -240,6 +288,8 @@ class RemoteClient
        // Version is stored in here after INIT before INIT2
        u8 pending_serialization_version;
 
+       bool definitions_sent;
+
        RemoteClient():
                m_time_from_building(9999),
                m_excess_gotblocks(0)
@@ -248,6 +298,7 @@ class RemoteClient
                serialization_version = SER_FMT_VER_INVALID;
                net_proto_version = 0;
                pending_serialization_version = SER_FMT_VER_INVALID;
+               definitions_sent = false;
                m_nearest_unsent_d = 0;
                m_nearest_unsent_reset_timer = 0.0;
                m_nothing_to_send_counter = 0;
@@ -265,17 +316,6 @@ class RemoteClient
        void GetNextBlocks(Server *server, float dtime,
                        core::array<PrioritySortedBlockTransfer> &dest);
 
-       /*
-               Connection and environment should be locked when this is called.
-               steps() objects of blocks not found in active_blocks, then
-               adds those blocks to active_blocks
-       */
-       void SendObjectData(
-                       Server *server,
-                       float dtime,
-                       core::map<v3s16, bool> &stepped_blocks
-               );
-
        void GotBlock(v3s16 p);
 
        void SentBlock(v3s16 p);
@@ -359,16 +399,18 @@ class RemoteClient
 };
 
 class Server : public con::PeerHandler, public MapEventReceiver,
-               public InventoryManager
+               public InventoryManager, public IGameDef,
+               public IBackgroundBlockEmerger
 {
 public:
        /*
                NOTE: Every public method should be thread-safe
        */
-
+       
        Server(
-               std::string mapsavedir,
-               std::string configpath
+               const std::string &path_world,
+               const std::string &path_config,
+               const SubgameSpec &gamespec
        );
        ~Server();
        void start(unsigned short port);
@@ -391,7 +433,7 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        // Environment must be locked when called
        void setTimeOfDay(u32 time)
        {
-               m_env.setTimeOfDay(time);
+               m_env->setTimeOfDay(time);
                m_time_of_day_send_timer = 0;
        }
 
@@ -410,8 +452,9 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        /*
                Shall be called with the environment and the connection locked.
        */
-       Inventory* getInventory(InventoryContext *c, std::string id);
-       void inventoryModified(InventoryContext *c, std::string id);
+       Inventory* getInventory(const InventoryLocation &loc);
+       std::string getInventoryOwner(const InventoryLocation &loc);
+       void setInventoryModified(const InventoryLocation &loc);
 
        // Connection must be locked when called
        std::wstring getStatusString();
@@ -447,6 +490,10 @@ class Server : public con::PeerHandler, public MapEventReceiver,
                        dstream<<"WARNING: Auth not found for "<<name<<std::endl;
                }
        }
+
+       // Changes a player's password, password must be given as plaintext
+       // If the player doesn't exist, a new entry is added to the auth manager
+       void setPlayerPassword(const std::string &name, const std::wstring &password);
        
        // Saves g_settings to configpath given at initialization
        void saveConfig();
@@ -468,15 +515,41 @@ class Server : public con::PeerHandler, public MapEventReceiver,
                return m_banmanager.getBanDescription(ip_or_name);
        }
 
-       con::Peer* getPeerNoEx(u16 peer_id)
+       Address getPeerAddress(u16 peer_id)
        {
-               return m_con.GetPeerNoEx(peer_id);
+               return m_con.GetPeerAddress(peer_id);
        }
        
        // Envlock and conlock should be locked when calling this
        void notifyPlayer(const char *name, const std::wstring msg);
        void notifyPlayers(const std::wstring msg);
 
+       void queueBlockEmerge(v3s16 blockpos, bool allow_generate);
+       
+       // Envlock and conlock should be locked when using Lua
+       lua_State *getLua(){ return m_lua; }
+       
+       // IGameDef interface
+       // Under envlock
+       virtual IItemDefManager* getItemDefManager();
+       virtual INodeDefManager* getNodeDefManager();
+       virtual ICraftDefManager* getCraftDefManager();
+       virtual ITextureSource* getTextureSource();
+       virtual u16 allocateUnknownNodeId(const std::string &name);
+       
+       IWritableItemDefManager* getWritableItemDefManager();
+       IWritableNodeDefManager* getWritableNodeDefManager();
+       IWritableCraftDefManager* getWritableCraftDefManager();
+
+       const ModSpec* getModSpec(const std::string &modname);
+       
+       std::string getWorldPath(){ return m_path_world; }
+
+       void setAsyncFatalError(const std::string &error)
+       {
+               m_async_fatal_error.set(error);
+       }
+
 private:
 
        // con::PeerHandler implementation.
@@ -494,17 +567,22 @@ class Server : public con::PeerHandler, public MapEventReceiver,
                        const std::wstring &reason);
        static void SendDeathscreen(con::Connection &con, u16 peer_id,
                        bool set_camera_point_target, v3f camera_point_target);
+       static void SendItemDef(con::Connection &con, u16 peer_id,
+                       IItemDefManager *itemdef);
+       static void SendNodeDef(con::Connection &con, u16 peer_id,
+                       INodeDefManager *nodedef);
        
        /*
-               Non-static send methods
+               Non-static send methods.
+               Conlock should be always used.
+               Envlock usage is documented badly but it's easy to figure out
+               which ones access the environment.
        */
 
        // Envlock and conlock should be locked when calling these
-       void SendObjectData(float dtime);
-       void SendPlayerInfos();
        void SendInventory(u16 peer_id);
        // send wielded item info about player to all
-       void SendWieldedItem(const Player *player);
+       void SendWieldedItem(const ServerRemotePlayer *srp);
        // send wielded item info about all players to all players
        void SendPlayerItems();
        void SendChatMessage(u16 peer_id, const std::wstring &message);
@@ -527,12 +605,18 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        
        // Sends blocks to clients (locks env and con on its own)
        void SendBlocks(float dtime);
+       
+       void PrepareTextures();
+
+       void SendTextureAnnouncement(u16 peer_id);
+
+       void SendTexturesRequested(u16 peer_id,core::list<TextureRequest> tosend);
 
        /*
                Something random
        */
        
-       void HandlePlayerHP(Player *player, s16 damage);
+       void DiePlayer(Player *player);
        void RespawnPlayer(Player *player);
        
        void UpdateCrafting(u16 peer_id);
@@ -543,21 +627,20 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        // When called, environment mutex should be locked
        std::string getPlayerName(u16 peer_id)
        {
-               Player *player = m_env.getPlayer(peer_id);
+               Player *player = m_env->getPlayer(peer_id);
                if(player == NULL)
-                       return "[id="+itos(peer_id);
+                       return "[id="+itos(peer_id)+"]";
                return player->getName();
        }
 
        /*
                Get a player from memory or creates one.
                If player is already connected, return NULL
-               The password is not checked here - it is only used to
-               set the password if a new player is created.
+               Does not verify/modify auth info and password.
 
                Call with env and con locked.
        */
-       Player *emergePlayer(const char *name, const char *password, u16 peer_id);
+       ServerRemotePlayer *emergePlayer(const char *name, u16 peer_id);
        
        // Locks environment and connection by its own
        struct PeerChange;
@@ -570,6 +653,19 @@ class Server : public con::PeerHandler, public MapEventReceiver,
                Variables
        */
        
+       // World directory
+       std::string m_path_world;
+       // Path to user's configuration file ("" = no configuration file)
+       std::string m_path_config;
+       // Subgame specification
+       SubgameSpec m_gamespec;
+
+       // Equivalent of /usr/share/minetest/server
+       std::string m_path_share;
+       
+       // Thread can set; step() will throw as ServerError
+       MutexedVariable<std::string> m_async_fatal_error;
+       
        // Some timers
        float m_liquid_transform_timer;
        float m_print_info_timer;
@@ -582,7 +678,7 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        // environment shall be locked first.
 
        // Environment
-       ServerEnvironment m_env;
+       ServerEnvironment *m_env;
        JMutex m_env_mutex;
        
        // Connection
@@ -596,6 +692,22 @@ class Server : public con::PeerHandler, public MapEventReceiver,
 
        // Bann checking
        BanManager m_banmanager;
+
+       // Scripting
+       // Envlock and conlock should be locked when using Lua
+       lua_State *m_lua;
+
+       // Item definition manager
+       IWritableItemDefManager *m_itemdef;
+       
+       // Node definition manager
+       IWritableNodeDefManager *m_nodedef;
+       
+       // Craft definition manager
+       IWritableCraftDefManager *m_craftdef;
+       
+       // Mods
+       core::list<ModSpec> m_mods;
        
        /*
                Threads
@@ -647,15 +759,12 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        /*
                Random stuff
        */
-
-       // Map directory
-       std::string m_mapsavedir;
-
-       // Configuration path ("" = no configuration file)
-       std::string m_configpath;
+       
+       // Mod parent directory paths
+       core::list<std::string> m_modspaths;
 
        bool m_shutdown_requested;
-       
+
        /*
                Map edit event queue. Automatically receives all map edits.
                The constructor of this class registers us to receive them through
@@ -683,10 +792,10 @@ class Server : public con::PeerHandler, public MapEventReceiver,
        */
        u16 m_ignore_map_edit_events_peer_id;
 
-       Profiler *m_profiler;
-
        friend class EmergeThread;
        friend class RemoteClient;
+
+       std::map<std::string,TextureInformation> m_Textures;
 };
 
 /*