1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
5 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
9 | * option) any later version. |
12 | * |
10 | * |
13 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
17 | * |
15 | * |
18 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
20 | * |
19 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
21 | */ |
23 | |
22 | |
24 | #ifndef CLIENT_H |
23 | #ifndef CLIENT_H |
25 | #define CLIENT_H |
24 | #define CLIENT_H |
26 | |
25 | |
27 | #include <deque> |
26 | #if HAVE_TCP_INFO |
28 | #include <bitset> |
27 | # include <netinet/tcp.h> |
29 | #include <tr1/unordered_set> |
28 | #else |
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29 | struct tcp_info { |
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30 | // dummy |
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31 | int tcpi_state; |
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32 | int tcpi_ca_state; |
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33 | int tcpi_retransmits; |
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34 | int tcpi_probes; |
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35 | int tcpi_backoff; |
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36 | int tcpi_options; |
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37 | int tcpi_snd_wscale; |
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38 | int tcpi_rcv_wscale; |
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39 | int tcpi_rto; |
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40 | int tcpi_ato; |
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41 | int tcpi_snd_mss; |
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42 | int tcpi_rcv_mss; |
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43 | int tcpi_unacked; |
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44 | int tcpi_sacked; |
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45 | int tcpi_lost; |
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46 | int tcpi_retrans; |
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47 | int tcpi_fackets; |
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48 | int tcpi_last_data_sent; |
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49 | int tcpi_last_ack_sent; |
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50 | int tcpi_last_data_recv; |
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51 | int tcpi_last_ack_recv; |
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52 | int tcpi_pmtu; |
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53 | int tcpi_rcv_ssthresh; |
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54 | int tcpi_rtt; |
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55 | int tcpi_rttvar; |
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56 | int tcpi_snd_ssthresh; |
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57 | int tcpi_snd_cwnd; |
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58 | int tcpi_advmss; |
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59 | int tcpi_reordering; |
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60 | }; |
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61 | #endif |
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62 | |
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63 | //+GPL |
30 | |
64 | |
31 | // (possibly) max. number of objects "per page" in the ground container |
65 | // (possibly) max. number of objects "per page" in the ground container |
32 | #define FLOORBOX_PAGESIZE 50 |
66 | #define FLOORBOX_PAGESIZE 50 |
33 | |
67 | |
34 | struct MapCell |
68 | struct MapCell |
35 | { |
69 | { |
36 | tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
70 | tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
37 | int count; /* This is really darkness in the map1 command */ |
71 | int count; /* This is really darkness in the map1 command */ |
38 | faceidx faces[MAP_LAYERS]; |
72 | faceidx faces[MAP_LAYERS]; |
39 | unsigned char stat_hp; // health of something in this space, or 0 |
73 | unsigned char stat_hp; // health of something in this space, or 0 |
40 | unsigned char flags; |
74 | unsigned char flags; |
41 | uint8_t smooth[MAP_LAYERS]; |
75 | uint8_t smooth[MAP_LAYERS]; |
… | |
… | |
54 | |
88 | |
55 | struct statsinfo |
89 | struct statsinfo |
56 | { |
90 | { |
57 | char *range, *title; |
91 | char *range, *title; |
58 | }; |
92 | }; |
59 | |
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60 | /* This contains basic information on the socket structure. status is its |
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61 | * current state. we set up our on buffers for sending/receiving, so we can |
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62 | * handle some higher level functions. fd is the actual file descriptor we |
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63 | * are using. |
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64 | */ |
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65 | |
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66 | /* Only one map mode can actually be used, so lets make it a switch |
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67 | * instead of having a bunch of different fields that needed to |
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68 | * get toggled. |
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69 | */ |
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70 | enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
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71 | |
93 | |
72 | // states the socket can be in |
94 | // states the socket can be in |
73 | enum { |
95 | enum { |
74 | ST_DEAD, // socket is dead |
96 | ST_DEAD, // socket is dead |
75 | ST_SETUP, // initial handshake / setup / login |
97 | ST_SETUP, // initial handshake / setup / login |
… | |
… | |
79 | ST_GET_PARTY_PASSWORD, |
101 | ST_GET_PARTY_PASSWORD, |
80 | }; |
102 | }; |
81 | |
103 | |
82 | // a handler for a specific type of packet |
104 | // a handler for a specific type of packet |
83 | enum { |
105 | enum { |
84 | PF_PLAYER = 0x01, // must have valid player / will by synchronised |
106 | PF_PLAYER = 0x01, // must have valid player / will by synchronised |
85 | PF_PLAYING = 0x02, // must be in playing state |
107 | PF_PLAYING = 0x02, // must be in playing state |
86 | PF_COMMAND0 = 0x04, // command starts at offset 0 |
108 | PF_COMMAND = 0x04, // is a user command |
87 | PF_COMMAND6 = 0x08, // command starts at offset 6 |
109 | }; |
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110 | |
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111 | // face types. bit 0 means "has meta info prepended" |
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112 | enum { |
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113 | FT_IMAGE = 0 * 2 + 0, // images |
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114 | FT_MUSIC = 1 * 2 + 1, // background music |
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115 | FT_SOUND = 2 * 2 + 1, // effects |
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116 | FT_RSRC = 3 * 2 + 0, // generic data files |
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117 | FT_NUM, |
88 | }; |
118 | }; |
89 | |
119 | |
90 | struct packet_type |
120 | struct packet_type |
91 | { |
121 | { |
92 | const char *name; |
122 | const char *name; |
… | |
… | |
98 | { |
128 | { |
99 | tstamp stamp; |
129 | tstamp stamp; |
100 | const packet_type *handler; |
130 | const packet_type *handler; |
101 | char *data; |
131 | char *data; |
102 | int datalen; |
132 | int datalen; |
103 | |
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104 | ~command () |
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105 | { |
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106 | sfree<char> (data, datalen + 1); |
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107 | } |
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108 | }; |
133 | }; |
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134 | |
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135 | //-GPL |
109 | |
136 | |
110 | /* how many times we are allowed to give the wrong password before being kicked. */ |
137 | /* how many times we are allowed to give the wrong password before being kicked. */ |
111 | #define MAX_PASSWORD_FAILURES 5 |
138 | #define MAX_PASSWORD_FAILURES 5 |
112 | |
139 | |
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140 | /* This contains basic information on the socket connection. status is its |
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141 | * current state. we set up our on buffers for sending/receiving, so we can |
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142 | * handle some higher level functions. fd is the actual file descriptor we |
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143 | * are using. |
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144 | */ |
113 | INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player |
145 | INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player |
114 | struct client : zero_initialised, attachable |
146 | struct client : zero_initialised, attachable |
115 | { |
147 | { |
116 | int ACC (RW, fd); |
148 | int ACC (RW, fd); |
117 | unsigned int inbuf_len; // number of bytes valid in inbuf |
149 | unsigned int inbuf_len; // number of bytes valid in inbuf |
118 | statsinfo stats; |
150 | statsinfo stats; |
119 | object_vector_index ACC (RO, active); |
151 | object_vector_index ACC (RO, active); |
120 | player_ptr ACC (RO, pl); |
152 | player_ptr ACC (RO, pl); |
121 | |
153 | |
122 | /* The following is the setup for a ring buffer for storing output |
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123 | * data that the OS can't handle right away. |
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124 | */ |
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125 | struct |
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126 | { |
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127 | char data[SOCKETBUFSIZE]; |
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128 | int start; |
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129 | int len; |
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130 | } outputbuffer; |
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131 | |
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132 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
154 | char *ACC (RW, host); /* Which host it is connected from (ip:port) */ |
133 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
155 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
134 | |
156 | |
135 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
157 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
136 | uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */ |
158 | uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */ |
137 | float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */ |
159 | float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */ |
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141 | uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ |
163 | uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ |
142 | uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ |
164 | uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ |
143 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
165 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
144 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
166 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
145 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
167 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
146 | sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
168 | sint64 ACC (RW, last_skill_exp[CS_NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
147 | |
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148 | bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient |
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149 | bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient |
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150 | bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload |
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151 | bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images |
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152 | |
169 | |
153 | bool ACC (RW, afk); /* player is afk */ |
170 | bool ACC (RW, afk); /* player is afk */ |
154 | bool ACC (RW, facecache); /* If true, client is caching images */ |
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155 | bool ACC (RW, sent_scroll); |
171 | bool ACC (RW, sent_scroll); |
156 | bool ACC (RW, sound); /* does the client want sound */ |
172 | bool ACC (RW, sound); /* does the client want sound */ |
157 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
173 | bool ACC (RW, bumpmsg); /* give message when bumping into walls */ |
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174 | |
158 | bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ |
175 | bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ |
159 | bool ACC (RW, mapinfocmd); // return map info and send map change info |
176 | bool ACC (RW, mapinfocmd); // return map info and send map change info |
160 | uint8_t ACC (RW, extcmd); // call into extensions/plugins |
177 | uint8 ACC (RW, extcmd); // call into extensions/plugins |
161 | bool ACC (RW, extmap); // extend map comamnd with extra data |
178 | bool ACC (RW, need_delinv0); /* If true, we need to delinv 0 before sending new floorbox */ |
162 | bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls |
179 | |
163 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
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164 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
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165 | uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands |
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166 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
180 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
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181 | bool ACC (RW, update_spells); // If true, we need to esrv_update_spells |
167 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
182 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
168 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
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169 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
183 | uint8 ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
170 | bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ |
184 | |
171 | /* Below are flags for extedend infos to pass to client |
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172 | * with S->C mapextended command */ |
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173 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
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174 | bool ACC (RW, smoothing); // trt-style smoothing |
185 | bool ACC (RW, smoothing); // deliantra-style smoothing |
175 | bool ACC (RW, can_msg); // trt-style text messages |
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176 | |
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177 | bool ACC (RW, force_newmap); // force a newmap before next map update |
186 | bool ACC (RW, force_newmap); // force a newmap before next map update |
178 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
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179 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
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180 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
187 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
181 | uint16 ACC (RW, mss); // likely tcp maximum segment size |
188 | uint16 ACC (RW, mss); // likely tcp maximum segment size |
182 | uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */ |
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183 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
189 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
184 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
190 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
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191 | uint8 ACC (RW, tileset); // selected tileset |
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192 | uint8 ACC (RW, ws_version); // websocket protocol versio for framing |
185 | |
193 | |
186 | maptile *ACC (RW, current_map); // CF+ last/current player map |
194 | maptile_ptr ACC (RW, current_map); // last/current player map |
187 | region *ACC (RW, current_region); // CF+ last/current player region |
195 | region_ptr ACC (RW, current_region); // last/current player region |
188 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
196 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
189 | shstr ACC (RW, version); // CF+ client name/version |
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190 | uint8 ACC (RW, faceset); // CF+ selected faceset |
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191 | |
197 | |
192 | tstamp ACC (RW, last_send); // last data send on socket. |
198 | tstamp ACC (RW, last_send); // last data send on socket. |
193 | |
199 | |
194 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
200 | float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */ |
195 | int ACC (RW, outq); // current socket outq length, or 0 if indeterminable |
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196 | |
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197 | int ACC (RW, rate_avail); // current rate balance |
201 | int ACC (RW, rate_avail); // current rate balance |
198 | int ACC (RW, max_rate); // max. # of bytes to send per tick |
202 | int ACC (RW, max_rate); // max. # of bytes to send per tick |
199 | faceidx ACC (RW, scrub_idx); // which face to send next |
203 | faceidx ACC (RW, scrub_idx); // which face to send next |
200 | int ACC (RW, bg_scrub); // how many ticks till the next background face send |
204 | int ACC (RW, bg_scrub); // how many ticks till the next background face send |
201 | |
205 | |
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206 | struct tcp_info tcpi; |
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207 | tstamp next_rate_adjust; |
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208 | |
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209 | // websocket frame buffer |
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210 | uint8 ws_inbuf_type; // current frame type |
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211 | uint8 *ws_inbuf; |
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212 | uint32 ws_inbuf_len; |
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213 | uint32 ws_inbuf_alloc; |
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214 | |
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215 | unordered_vector<char *> mapinfo_queue; |
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216 | void mapinfo_queue_clear (); |
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217 | void mapinfo_queue_run (); |
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218 | bool mapinfo_try (char *buf); |
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219 | |
202 | struct ixsend { |
220 | struct ixsend { |
203 | int16_t pri; // unused |
221 | sint16 pri; // higher means faces are sent earlier, default 0 |
204 | faceidx idx; |
222 | faceidx idx; |
205 | uint32_t ofs; // if != 0, need to send remaining bytes of partial_face |
223 | uint32 ofs; // if != 0, need to send remaining bytes of partial_face |
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224 | uint8 *data; |
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225 | SV *data_sv; |
206 | }; |
226 | }; |
207 | std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix |
227 | std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix |
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228 | MTH void ix_send (faceidx idx, sint16 pri, SV *data_sv); // keeps a copy of data_sv |
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229 | void ix_pop (); // pops topmost ixsend |
208 | |
230 | |
209 | std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx |
231 | std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx |
210 | MTH void flush_fx (); // send fx if required |
232 | MTH void flush_fx (); // send fx if required |
211 | |
233 | |
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234 | MTH void invalidate_face (faceidx idx); |
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235 | MTH void invalidate_all_faces (); |
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236 | |
212 | void do_destroy (); |
237 | void do_destroy (); |
213 | void gather_callbacks (AV *&callbacks, event_type event) const; |
238 | void gather_callbacks (AV *&callbacks, event_type event) const; |
214 | |
239 | |
215 | iow socket_ev; void socket_cb (iow &w, int got); |
240 | iow socket_ev; void socket_cb (iow &w, int revents); |
216 | iw cmd_ev; void cmd_cb (iw &w); |
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217 | |
241 | |
218 | std::deque< command, slice_allocator<command> > cmd_queue; |
242 | std::deque< command, slice_allocator<command> > cmd_queue; |
219 | |
243 | |
220 | // large structures at the end please |
244 | // large structures at the end please |
221 | struct Map lastmap; |
245 | struct Map lastmap; |
222 | std::bitset<MAXANIMNUM> anims_sent; |
246 | std::bitset<MAXANIMNUM> anims_sent; |
223 | std::bitset<MAX_FACES> faces_sent; |
247 | std::bitset<MAX_FACES> faces_sent; |
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248 | std::bitset<FT_NUM> fx_want; |
224 | |
249 | |
225 | // if we get an incomplete packet, this is used to hold the data. |
250 | // if we get an incomplete packet, this is used to hold the data. |
226 | // we add 2 byte for the header, one for the trailing 0 byte |
251 | // we add 2 byte for the header, one for the trailing 0 byte |
227 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
252 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
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253 | void inbuf_handle (); |
228 | |
254 | |
229 | enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; |
255 | enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; |
230 | struct msg_buf |
256 | struct msg_buf |
231 | { |
257 | { |
232 | tick_t expire; |
258 | tick_t expire; |
233 | int len; |
259 | int len; |
234 | int count; |
260 | int count; |
235 | char msg[MSG_BUF_SIZE]; |
261 | char msg[MSG_BUF_SIZE]; |
236 | } msgbuf[MSG_BUF_COUNT]; |
262 | } msgbuf[MSG_BUF_COUNT]; |
237 | |
263 | |
238 | MTH bool msg_suppressed (const char *msg); |
264 | MTH bool msg_suppressed (const_utf8_string msg); |
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265 | |
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266 | /* The following is the setup for a ring buffer for storing output |
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267 | * data that the OS can't handle right away. |
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268 | * TODO: this member is enourmously large - optimise? |
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269 | */ |
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270 | struct |
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271 | { |
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272 | char data[SOCKETBUFSIZE]; |
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273 | int start; |
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274 | int len; |
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275 | } outputbuffer; |
239 | |
276 | |
240 | bool may_execute (const packet_type *pkt) const; |
277 | bool may_execute (const packet_type *pkt) const; |
241 | void execute (const packet_type *pkt, char *data, int datalen); |
278 | void execute (const packet_type *pkt, char *data, int datalen); |
242 | |
279 | |
243 | void queue_command (packet_type *handler, char *data, int datalen); |
280 | void queue_command (packet_type *handler, char *data, int datalen); |
… | |
… | |
252 | void skip_packet (int len); // we have processed the packet, skip it |
289 | void skip_packet (int len); // we have processed the packet, skip it |
253 | |
290 | |
254 | MTH void flush (); |
291 | MTH void flush (); |
255 | MTH void write_outputbuffer (); |
292 | MTH void write_outputbuffer (); |
256 | MTH int outputbuffer_len () const { return outputbuffer.len; } |
293 | MTH int outputbuffer_len () const { return outputbuffer.len; } |
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294 | void send_raw (void *buf_, int len); |
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295 | |
257 | void send (void *buf_, int len); |
296 | void send (void *buf_, int len); |
258 | |
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259 | void send_packet (const char *buf); |
297 | void send_packet (const_octet_string buf); |
260 | void send_packet (const char *buf, int len); |
298 | void send_packet (const_octet_string buf, int len); |
261 | void send_packet_printf (const char *format, ...); |
299 | void send_packet_printf (const_utf8_string format, ...) ecb_attribute ((format (printf, 2, 3))); |
262 | void send_packet (packet &sl); |
300 | void send_packet (packet &sl); |
263 | |
301 | |
264 | void send_drawinfo (const char *msg, int flags = NDI_BLACK); |
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265 | |
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266 | MTH bool must_send_face (faceidx facenum) |
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267 | { |
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268 | if (faces_sent[facenum]) |
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269 | return false; |
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270 | |
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271 | faces_sent[facenum] = true; |
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272 | return true; |
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273 | } |
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274 | |
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275 | MTH void send_face (faceidx facenum); |
302 | MTH void send_face (faceidx facenum, int pri = 0); |
276 | MTH void send_image (faceidx facenum); |
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277 | MTH void send_faces (object *ob); |
303 | MTH void send_faces (object *ob); |
278 | MTH void send_animation (short anim_num); |
304 | MTH void send_animation (short anim_num); |
279 | void send_msg (int color, const char *type, const char *msg); |
305 | void send_msg (int color, const_utf8_string type, const_utf8_string msg); |
280 | |
306 | |
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307 | MTH void play_sound (faceidx sound, int dx = 0, int dy = 0); |
281 | // called when something under the player changes |
308 | // called when something under the player changes |
282 | MTH void floorbox_update () { update_look = 1; } |
309 | MTH void floorbox_update () { update_look = 1; } |
283 | // called when the player has been moved |
310 | // called when the player has been moved |
284 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
311 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
285 | |
312 | |
286 | MTH void tick (); // called every server tick to do housekeeping etc. |
313 | MTH void tick (); // called every server tick to do housekeeping etc. |
287 | |
314 | |
288 | MTH static client *create (int fd, const char *peername); |
315 | MTH static client *create (int fd, const char *peername); |
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316 | MTH static void clock (); |
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317 | MTH static void flush_sockets (); |
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318 | |
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319 | MTH void run (); // start handshake after init |
289 | |
320 | |
290 | protected: |
321 | protected: |
291 | client (int fd, const char *from_ip); |
322 | client (int fd, const char *from_ip); |
292 | ~client (); |
323 | ~client (); |
293 | }; |
324 | }; |
294 | |
325 | |
295 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
326 | #if FOR_PERL |
296 | ( ((__type)>0) &&\ |
327 | ACC (RW, tcpi.tcpi_state); |
297 | ((__sockPtr)->has_readable_type) && \ |
328 | ACC (RW, tcpi.tcpi_ca_state); |
298 | ((__sockPtr)->supported_readables & (1<<(__type))) ) |
329 | ACC (RW, tcpi.tcpi_retransmits); |
299 | |
330 | ACC (RW, tcpi.tcpi_probes); |
300 | /* Constants in the form EMI_ is for extended map infos. |
331 | ACC (RW, tcpi.tcpi_backoff); |
301 | * Even if the client select the additionnal infos it wants |
332 | ACC (RW, tcpi.tcpi_options); |
302 | * on the map, there may exist cases where this whole info |
333 | ACC (RO, tcpi.tcpi_snd_wscale); |
303 | * is not given in one buch but in separate bunches. This |
334 | ACC (RO, tcpi.tcpi_rcv_wscale); |
304 | * is done performance reasons (imagine some info related to |
335 | ACC (RW, tcpi.tcpi_rto); |
305 | * a visible object and another info related to a 4 square |
336 | ACC (RW, tcpi.tcpi_ato); |
306 | * width and height area). At the begin of an extended info packet |
337 | ACC (RW, tcpi.tcpi_snd_mss); |
307 | * is a bit field. A bit is activated for each extended info |
338 | ACC (RW, tcpi.tcpi_rcv_mss); |
308 | * present in the data |
339 | ACC (RW, tcpi.tcpi_unacked); |
309 | */ |
340 | ACC (RW, tcpi.tcpi_sacked); |
310 | |
341 | ACC (RW, tcpi.tcpi_lost); |
311 | /* Meanings: |
342 | ACC (RW, tcpi.tcpi_retrans); |
312 | * EMI_NOREDRAW Take extended infos into account but don't redraw, |
343 | ACC (RW, tcpi.tcpi_fackets); |
313 | * some additionnal datas will follow in a new packet |
344 | ACC (RW, tcpi.tcpi_last_data_sent); |
314 | * EMI_SMOOTH Datas about smoothing |
345 | ACC (RW, tcpi.tcpi_last_ack_sent); |
315 | */ |
346 | ACC (RW, tcpi.tcpi_last_data_recv); |
316 | #define EMI_NOREDRAW 0x01 |
347 | ACC (RW, tcpi.tcpi_last_ack_recv); |
317 | #define EMI_SMOOTH 0x02 |
348 | ACC (RW, tcpi.tcpi_pmtu); |
318 | |
349 | ACC (RW, tcpi.tcpi_rcv_ssthresh); |
319 | /* this last one says the bitfield continue un next byte |
350 | ACC (RW, tcpi.tcpi_rtt); |
320 | * There may be several on contiguous bytes. So there is 7 |
351 | ACC (RW, tcpi.tcpi_rttvar); |
321 | * actual bits used per byte, and the number of bytes |
352 | ACC (RW, tcpi.tcpi_snd_ssthresh); |
322 | * is not fixed in protocol |
353 | ACC (RW, tcpi.tcpi_snd_cwnd); |
323 | */ |
354 | ACC (RW, tcpi.tcpi_advmss); |
324 | #define EMI_HASMOREBITS 0x80 |
355 | ACC (RW, tcpi.tcpi_reordering); |
325 | |
356 | #endif |
326 | #define FACE_TYPES 1 |
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327 | #define PNG_FACE_INDEX 0 |
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328 | |
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329 | #define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ |
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330 | #define VERSION_SC 1026 |
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331 | //#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible |
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332 | #define VERSION_INFO "Crossfire TRT Server" |
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333 | |
357 | |
334 | typedef object_vector<client, &client::active> sockvec; |
358 | typedef object_vector<client, &client::active> sockvec; |
335 | |
359 | |
336 | extern sockvec clients; |
360 | extern sockvec clients; |
337 | |
361 | |
338 | #define for_all_clients(var) \ |
362 | #define for_all_clients(var) \ |
339 | for (int _i = 0; _i < clients.size (); ++_i) \ |
363 | for (int _i = 0; _i < clients.size (); ++_i) \ |
340 | statementvar (client *, var, clients [_i]) |
364 | statementvar (client *, var, clients [_i]) |
341 | |
365 | |
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366 | // returns true when the message needs special (read: perl) treatment |
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367 | static inline bool |
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368 | msg_is_special (const_any_string msg, bool nl_special = true) |
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369 | { |
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370 | return msg [strcspn (msg, nl_special ? "<&\n" : "<&")]; |
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371 | } |
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372 | |
342 | #endif |
373 | #endif |
343 | |
374 | |