Commit | Line | Data |
---|---|---|
a29d9d6b | 1 | const url = require('url'); |
1d184b4c | 2 | |
2807f530 | 3 | // Node version in Ubuntu 16.04 does not know about URL class |
a0c41e7e | 4 | // NOTE: url is already transformed, without ?xxx=yyy... parts |
98db2082 BA |
5 | function getJsonFromUrl(url) |
6 | { | |
80ee5d5a BA |
7 | const query = url.substr(2); //starts with "/?" |
8 | let result = {}; | |
9 | query.split("&").forEach((part) => { | |
5bd05dba BA |
10 | const item = part.split("="); |
11 | result[item[0]] = decodeURIComponent(item[1]); | |
12 | }); | |
13 | return result; | |
2807f530 BA |
14 | } |
15 | ||
1d184b4c | 16 | module.exports = function(wss) { |
5bd05dba BA |
17 | let clients = {}; //associative array sid --> socket |
18 | wss.on("connection", (socket, req) => { | |
19 | const query = getJsonFromUrl(req.url); | |
20 | const sid = query["sid"]; | |
c6788ecf | 21 | const notifyRoom = (page,code,obj={},excluded=[]) => { |
92a523d1 | 22 | Object.keys(clients).forEach(k => { |
c6788ecf BA |
23 | if (k in excluded) |
24 | return; | |
92a523d1 | 25 | if (k != sid && clients[k].page == page) |
5c8e044f BA |
26 | { |
27 | clients[k].sock.send(JSON.stringify(Object.assign( | |
c6788ecf | 28 | {code:code, from:sid}, obj))); |
5c8e044f | 29 | } |
92a523d1 BA |
30 | }); |
31 | }; | |
a3ac374b | 32 | const messageListener = (objtxt) => { |
5bd05dba | 33 | let obj = JSON.parse(objtxt); |
5a3da968 | 34 | if (!!obj.target && !clients[obj.target]) |
b4d619d1 | 35 | return; //receiver not connected, nothing we can do |
5bd05dba BA |
36 | switch (obj.code) |
37 | { | |
a3ac374b BA |
38 | case "duplicate": |
39 | // Turn off message listening, and send disconnect if needed: | |
40 | socket.removeListener("message", messageListener); | |
41 | socket.removeListener("close", closeListener); | |
42 | if (clients[sid].page != obj.page) | |
43 | { | |
44 | notifyRoom(clients[sid].page, "disconnect"); | |
45 | if (clients[sid].page.indexOf("/game/") >= 0) | |
46 | notifyRoom("/", "gdisconnect"); | |
47 | } | |
48 | break; | |
49 | // Wait for "connect" message to notify connection to the room, | |
50 | // because if game loading is slow the message listener might | |
51 | // not be ready too early. | |
41c80bb6 | 52 | case "connect": |
120fe373 BA |
53 | { |
54 | const curPage = clients[sid].page; | |
55 | notifyRoom(curPage, "connect"); //Hall or Game | |
56 | if (curPage.indexOf("/game/") >= 0) | |
ac8f441c | 57 | notifyRoom("/", "gconnect"); //notify main hall |
41c80bb6 | 58 | break; |
120fe373 | 59 | } |
81d9ce72 | 60 | case "pollclients": |
ac8f441c | 61 | { |
f41ce580 | 62 | const curPage = clients[sid].page; |
81d9ce72 | 63 | socket.send(JSON.stringify({code:"pollclients", |
ac8f441c BA |
64 | sockIds: Object.keys(clients).filter(k => |
65 | k != sid && clients[k].page == curPage | |
c6788ecf | 66 | )})); |
92a523d1 | 67 | break; |
ac8f441c BA |
68 | } |
69 | case "pollgamers": | |
ac8f441c BA |
70 | socket.send(JSON.stringify({code:"pollgamers", |
71 | sockIds: Object.keys(clients).filter(k => | |
72 | k != sid && clients[k].page.indexOf("/game/") >= 0 | |
73 | )})); | |
74 | break; | |
92a523d1 | 75 | case "pagechange": |
9335d45b | 76 | // page change clients[sid].page --> obj.page |
a0c41e7e | 77 | // TODO: some offline rooms don't need to receive disconnect event |
c6788ecf | 78 | notifyRoom(clients[sid].page, "disconnect"); |
bcaa8c00 | 79 | if (clients[sid].page.indexOf("/game/") >= 0) |
ac8f441c | 80 | notifyRoom("/", "gdisconnect"); |
92a523d1 | 81 | clients[sid].page = obj.page; |
a0c41e7e BA |
82 | // No need to notify connection: it's self-sent in .vue file |
83 | //notifyRoom(obj.page, "connect"); | |
bcaa8c00 | 84 | if (obj.page.indexOf("/game/") >= 0) |
ac8f441c | 85 | notifyRoom("/", "gconnect"); |
5a3da968 BA |
86 | break; |
87 | case "askidentity": | |
f41ce580 BA |
88 | clients[obj.target].sock.send(JSON.stringify( |
89 | {code:"askidentity",from:sid})); | |
81d9ce72 | 90 | break; |
a0c41e7e BA |
91 | case "asklastate": |
92 | clients[obj.target].sock.send(JSON.stringify( | |
93 | {code:"asklastate",from:sid})); | |
94 | break; | |
dd75774d | 95 | case "askchallenge": |
f41ce580 BA |
96 | clients[obj.target].sock.send(JSON.stringify( |
97 | {code:"askchallenge",from:sid})); | |
81d9ce72 | 98 | break; |
cd0d7743 | 99 | case "askgames": |
dc284d90 | 100 | { |
c6788ecf | 101 | // Check all clients playing, and send them a "askgame" message |
dc284d90 BA |
102 | let gameSids = {}; //game ID --> [sid1, sid2] |
103 | const regexpGid = /\/[a-zA-Z0-9]+$/; | |
c6788ecf BA |
104 | Object.keys(clients).forEach(k => { |
105 | if (k != sid && clients[k].page.indexOf("/game/") >= 0) | |
106 | { | |
dc284d90 BA |
107 | const gid = clients[k].page.match(regexpGid)[0]; |
108 | if (!gameSids[gid]) | |
109 | gameSids[gid] = [k]; | |
110 | else | |
111 | gameSids[gid].push(k); | |
c6788ecf BA |
112 | } |
113 | }); | |
dc284d90 BA |
114 | // Request only one client out of 2 (TODO: this is a bit heavy) |
115 | // Alt: ask game to all, and filter later? | |
116 | Object.keys(gameSids).forEach(gid => { | |
117 | const L = gameSids[gid].length; | |
118 | const idx = L > 1 | |
119 | ? Math.floor(Math.random() * Math.floor(L)) | |
120 | : 0; | |
121 | const rid = gameSids[gid][idx]; | |
122 | clients[rid].sock.send(JSON.stringify( | |
ab6f48ea | 123 | {code:"askgame", from: sid})); |
dc284d90 BA |
124 | }); |
125 | break; | |
126 | } | |
26f3a887 BA |
127 | case "askgame": |
128 | clients[obj.target].sock.send(JSON.stringify( | |
129 | {code:"askgame", from:sid})); | |
130 | break; | |
dc284d90 BA |
131 | case "askfullgame": |
132 | clients[obj.target].sock.send(JSON.stringify( | |
133 | {code:"askfullgame", from:sid})); | |
134 | break; | |
135 | case "fullgame": | |
136 | clients[obj.target].sock.send(JSON.stringify( | |
137 | {code:"fullgame", game:obj.game})); | |
5a3da968 BA |
138 | break; |
139 | case "identity": | |
f41ce580 BA |
140 | clients[obj.target].sock.send(JSON.stringify( |
141 | {code:"identity",user:obj.user})); | |
4d64881e | 142 | break; |
5bd05dba | 143 | case "refusechallenge": |
f41ce580 BA |
144 | clients[obj.target].sock.send(JSON.stringify( |
145 | {code:"refusechallenge", cid:obj.cid, from:sid})); | |
5bd05dba | 146 | break; |
98f48579 | 147 | case "deletechallenge": |
f41ce580 BA |
148 | clients[obj.target].sock.send(JSON.stringify( |
149 | {code:"deletechallenge", cid:obj.cid, from:sid})); | |
98f48579 | 150 | break; |
a6bddfc6 | 151 | case "newgame": |
92a523d1 | 152 | clients[obj.target].sock.send(JSON.stringify( |
5bd05dba | 153 | {code:"newgame", gameInfo:obj.gameInfo, cid:obj.cid})); |
a6bddfc6 | 154 | break; |
42c15a75 | 155 | case "challenge": |
92a523d1 | 156 | clients[obj.target].sock.send(JSON.stringify( |
42c15a75 BA |
157 | {code:"challenge", chall:obj.chall, from:sid})); |
158 | break; | |
dd75774d | 159 | case "game": |
c6788ecf BA |
160 | if (!!obj.target) |
161 | { | |
162 | clients[obj.target].sock.send(JSON.stringify( | |
80ee5d5a | 163 | {code:"game", game:obj.game, from:sid})); |
c6788ecf BA |
164 | } |
165 | else | |
166 | { | |
167 | // Notify all room except opponent and me: | |
80ee5d5a | 168 | notifyRoom("/", "game", {game:obj.game}, [obj.oppsid]); |
c6788ecf | 169 | } |
4d64881e | 170 | break; |
5bd05dba | 171 | case "newchat": |
ac8f441c | 172 | notifyRoom(clients[sid].page, "newchat", {chat:obj.chat}); |
5bd05dba | 173 | break; |
5bd05dba | 174 | // TODO: WebRTC instead in this case (most demanding?) |
26f3a887 | 175 | // --> Or else: at least do a "notifyRoom" (also for draw, resign...) |
5bd05dba | 176 | case "newmove": |
f41ce580 | 177 | clients[obj.target].sock.send(JSON.stringify( |
c6788ecf | 178 | {code:"newmove", move:obj.move})); |
5bd05dba BA |
179 | break; |
180 | case "lastate": | |
f41ce580 BA |
181 | clients[obj.target].sock.send(JSON.stringify( |
182 | {code:"lastate", state:obj.state})); | |
5bd05dba | 183 | break; |
5bd05dba | 184 | case "resign": |
f41ce580 | 185 | clients[obj.target].sock.send(JSON.stringify( |
3837d4f7 | 186 | {code:"resign", side:obj.side})); |
5bd05dba | 187 | break; |
b988c726 | 188 | case "abort": |
f41ce580 | 189 | clients[obj.target].sock.send(JSON.stringify( |
3837d4f7 | 190 | {code:"abort"})); |
b988c726 | 191 | break; |
2cc10cdb | 192 | case "drawoffer": |
f41ce580 BA |
193 | clients[obj.target].sock.send(JSON.stringify( |
194 | {code:"drawoffer"})); | |
2cc10cdb BA |
195 | break; |
196 | case "draw": | |
f41ce580 | 197 | clients[obj.target].sock.send(JSON.stringify( |
dcd68c41 | 198 | {code:"draw", message:obj.message})); |
2cc10cdb | 199 | break; |
5bd05dba | 200 | } |
a3ac374b BA |
201 | }; |
202 | const closeListener = () => { | |
92a523d1 | 203 | const page = clients[sid].page; |
5bd05dba | 204 | delete clients[sid]; |
92a523d1 | 205 | notifyRoom(page, "disconnect"); |
bcaa8c00 | 206 | if (page.indexOf("/game/") >= 0) |
ac8f441c | 207 | notifyRoom("/", "gdisconnect"); //notify main hall |
a3ac374b BA |
208 | }; |
209 | if (!!clients[sid]) | |
210 | { | |
211 | // Turn off old sock through current client: | |
212 | clients[sid].sock.send(JSON.stringify({code:"duplicate"})); | |
213 | } | |
214 | // Potentially replace current connection: | |
215 | clients[sid] = {sock: socket, page: query["page"]}; | |
216 | socket.on("message", messageListener); | |
217 | socket.on("close", closeListener); | |
5bd05dba | 218 | }); |
1d184b4c | 219 | } |