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Comparing deliantra/server/include/client.h (file contents):
Revision 1.3 by root, Fri Dec 15 20:08:45 2006 UTC vs.
Revision 1.16 by root, Fri Dec 22 16:34:00 2006 UTC

1
2/* 1/*
3 CrossFire, A Multiplayer game for the X Window System 2 CrossFire, A Multiplayer game for the X Window System
4 3
5 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 20
22 The author can be reached via e-mail to crossfire@schmorp.de 21 The author can be reached via e-mail to crossfire@schmorp.de
23*/ 22*/
24 23
25/*
26 newserver.h defines various structures and values that are use for the
27 new client server communication method. Values defined here are only
28 used on the server side code. For shared client/server values, see
29 newclient.h
30*/
31
32#ifndef CLIENT_H 24#ifndef CLIENT_H
33#define CLIENT_H 25#define CLIENT_H
34 26
35/* Reduce this from 50 to 5 - as it is now, there will never be more 27#include <deque>
36 * than 3 anyways. 28#include <bitset>
37 */ 29#include <tr1/unordered_set>
38 30
39#define NUM_LOOK_OBJECTS 50 31// (possibly) max. number of objects "per page" in the ground container
32#define FLOORBOX_PAGESIZE 50
40 33
41struct MapCell 34struct MapCell
42{ 35{
43 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 36 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
44 int count; /* This is really darkness in the map1 command */ 37 int count; /* This is really darkness in the map1 command */
… …
75 * current state. we set up our on buffers for sending/receiving, so we can 68 * current state. we set up our on buffers for sending/receiving, so we can
76 * handle some higher level functions. fd is the actual file descriptor we 69 * handle some higher level functions. fd is the actual file descriptor we
77 * are using. 70 * are using.
78 */ 71 */
79 72
80enum Sock_Status { Ns_Add, Ns_Dead };
81
82/* Only one map mode can actually be used, so lets make it a switch 73/* Only one map mode can actually be used, so lets make it a switch
83 * instead of having a bunch of different fields that needed to 74 * instead of having a bunch of different fields that needed to
84 * get toggled. 75 * get toggled.
85 */ 76 */
86enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 77enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
87 78
88/* The following is the setup for a ring buffer for storing outbut 79/* The following is the setup for a ring buffer for storing output
89 * data that the OS can't handle right away. 80 * data that the OS can't handle right away.
90 */ 81 */
91 82
92struct Buffer 83struct Buffer
93{ 84{
94 char data[SOCKETBUFSIZE]; 85 char data[SOCKETBUFSIZE];
95 int start; 86 int start;
96 int len; 87 int len;
97}; 88};
98 89
90// states the socket can be in
91enum {
92 ST_DEAD, // socket is dead
93 ST_SETUP, // initial handshake / setup / login
94 ST_PLAYING, // logged in an playing
95 ST_CUSTOM, // waiting for custom reply
96
97 ST_CONFIRM_QUIT,
98 ST_CHANGE_CLASS,
99 ST_CONFIGURE,
100 ST_GET_PARTY_PASSWORD,
101};
102
103// a handler for a specific type of packet
104enum {
105 PF_PLAYER = 0x01, // must have valid player / will by synchronised
106 PF_PLAYING = 0x02, // must be in playing state
107};
108
109struct packet_type
110{
111 const char *name;
112 void *cb;
113 int flags;
114};
115
116struct command
117{
118 tstamp stamp;
119 const packet_type *handler;
120 char *data;
121 int datalen;
122
123 ~command ()
124 {
125 sfree<char> (data, datalen + 1);
126 }
127};
128
129struct refitem
130{
131 object_ptr op;
132};
133
134// this represents a container on the client side.
135// right now, there are only ever two of them:
136// the inventory and the floor/open container
137//TODO: unused as of yet
138struct client_container : vector< refitem, slice_allocator<refitem> >
139{
140 client *ns;
141 enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type;
142
143 bool item_changed; // one of the items in here possibly changed
144
145 // for mapspace and container
146 int x, y;
147 maptile *map;
148
149 // for container
150 object *env;
151
152 client_container (client *ns)
153 : ns (ns), type (CC_NONE) { }
154
155 tag_t tag () const;
156
157 inline iterator merge_item (iterator i, object *op);
158
159 void clear ();
160 void update ();
161
162 void set_mapspace (maptile *map, int x, int y);
163 void set_container (object *env);
164};
165
99/* how many times we are allowed to give the wrong password before being kicked. */ 166/* how many times we are allowed to give the wrong password before being kicked. */
100#define MAX_PASSWORD_FAILURES 5 167#define MAX_PASSWORD_FAILURES 5
101 168
102ACC_CLASS (client) // should become player when newsocket is a baseclass of player 169ACC_CLASS (client) // should become player when newsocket is a baseclass of player
103struct client : zero_initialised, attachable_base 170struct client : zero_initialised, attachable<client>
104{ 171{
105 enum Sock_Status status;
106 int ACC (RW, fd); 172 int ACC (RW, fd);
107 unsigned int inbuf_len; // number of bytes valid in inbuf 173 unsigned int inbuf_len; // number of bytes valid in inbuf
108 struct Map lastmap;
109 size_t faces_sent_len; /* This is the number of elements allocated in faces_sent[] */
110 uint8 *faces_sent; /* This is a bitmap on sent face status */ 174 uint8 *faces_sent; // This is a bitmap on sent face status
111 uint8 anims_sent[MAXANIMNUM]; 175 statsinfo stats;
112 struct statsinfo stats; 176
177 client_container cc_inv, cc_other;
178 Buffer outputbuffer;
113 179
114 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 180 char *ACC (RW, host); /* Which host it is connected from (ip address) */
181 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
115 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 182 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */
116 Buffer outputbuffer; /* For undeliverable data */
117 183
118 bool ACC (RW, facecache); /* If true, client is caching images */ 184 bool ACC (RW, facecache); /* If true, client is caching images */
119 bool ACC (RW, sent_scroll); 185 bool ACC (RW, sent_scroll);
120 bool ACC (RW, sound); /* does the client want sound */ 186 bool ACC (RW, sound); /* does the client want sound */
121 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ 187 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */
122 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 188 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
123 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 189 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */
124 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 190 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */
125 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 191 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */
126 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 192 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */
127 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 193 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */
128 bool ACC (RW, darkness); /* True if client wants darkness information */ 194 bool ACC (RW, darkness); /* True if client wants darkness information */
129 bool ACC (RW, image2); /* Client wants image2/face2 commands */ 195 bool ACC (RW, image2); /* Client wants image2/face2 commands */
130 bool ACC (RW, update_look); /* If true, we need to send the look window */ 196 bool ACC (RW, update_look); /* If true, we need to send the look window */
131 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 197 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
132 /* used to arrange text in books, scrolls, or scripted dialogs */ 198 /* used to arrange text in books, scrolls, or scripted dialogs */
133 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 199 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
134 bool ACC (RW, ext_mapinfos); /* If true client accept additionnal info on maps */ 200 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
135 /* Below are flags for extedend infos to pass to client 201 /* Below are flags for extedend infos to pass to client
136 * with S->C mapextended command */ 202 * with S->C mapextended command */
137 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ 203 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
138 204
139 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 205 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
140 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 206 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
141 enum MapMode mapmode; /* Type of map commands the client wants. */ 207 enum MapMode mapmode; /* Type of map commands the client wants. */
142 uint16 ACC (RW, look_position); /* start of drawing of look window */ 208 uint16 ACC (RW, look_position); /* start of drawing of look window */
… …
144 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 210 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
145 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ 211 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */
146 212
147 maptile *ACC (RW, current_map); // CF+ last/current player map 213 maptile *ACC (RW, current_map); // CF+ last/current player map
148 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 214 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
149 char ACC (RW, version)[64]; // CF+ client name/version 215 char ACC (RW, version)[64]; // CF+ client name/version
150 216
151 /* If we get an incomplete packet, this is used to hold the data. */
152 uint8 inbuf[MAXSOCKBUF];
153 player *ACC (RO, pl);//TODO should not be here, preferably 217 player *ACC (RO, pl);//TODO should not be here, preferably
154 218
155 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 219 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */
156
157 iow socket_ev; void socket_cb (iow &w, int got);
158 220
159 client (int fd, const char *from_ip); 221 client (int fd, const char *from_ip);
160 ~client (); 222 ~client ();
223 void destroy ();
224 bool destroyed () const { return state == ST_DEAD; }
161 225
226 iw cmd_ev; void cmd_cb (iw &w);
227 iow socket_ev; void socket_cb (iow &w, int got);
228
229 std::deque< command, slice_allocator<command> > cmd_queue;
230
231 // large structures at the end please
232 struct Map lastmap;
233 std::bitset<MAXANIMNUM> anims_sent;
234 // if we get an incomplete packet, this is used to hold the data.
235 // we add 2 byte for the header, one for the trailing 0 byte
236 uint8 inbuf[MAXSOCKBUF + 2 + 1];
237
238 bool may_execute (const packet_type *pkt) const;
239 void execute (const packet_type *pkt, char *data, int datalen);
240
241 void queue_command (packet_type *handler, char *data, int datalen);
242 bool handle_command ();
243 // resets movement state
244 void reset_state ();
245
246 bool handle_packet ();
162 int read_packet (); // returns length of packet or 0 247 int next_packet (); // returns length of packet or 0
163 void skip_packet (int len); // we have processed the packet, skip it 248 void skip_packet (int len); // we have processed the packet, skip it
164 249
165 void flush (); 250 void flush ();
166 void write_outputbuffer (); 251 void write_outputbuffer ();
167 void send (void *buf_, int len); 252 void send (void *buf_, int len);
168 253
169 void send_packet (const char *buf); 254 void send_packet (const char *buf);
170 void send_packet (const char *buf, int len); 255 void send_packet (const char *buf, int len);
256 void send_packet_printf (const char *format, ...);
171 void send_packet (packet &sl); 257 void send_packet (packet &sl);
258
259 // called when something under the player changes
260 void floorbox_update () { update_look = 1; }
261 // called when the player has been moved
262 void floorbox_reset () { look_position = 0; floorbox_update (); }
263
264 static client *create (int fd, const char *peername);
172}; 265};
173 266
174#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 267#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
175 ( ((__type)>0) &&\ 268 ( ((__type)>0) &&\
176 ((__sockPtr)->has_readable_type) && \ 269 ((__sockPtr)->has_readable_type) && \

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