X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=sockets.js;h=e411050dbde2c6f58a8da437f4cb8bb97d1225b3;hp=820a88c790e7d30427b720aea3fd11fcc5655e75;hb=edcd679ab1fe609641451586ef1e9484925c4f83;hpb=ecf44502c1ed7c408b8ea4d1be5234203aa3d314 diff --git a/sockets.js b/sockets.js index 820a88c7..e411050d 100644 --- a/sockets.js +++ b/sockets.js @@ -1,93 +1,150 @@ const url = require('url'); -const Variants = require("./variants"); +const sqlite3 = require('sqlite3'); +const db = new sqlite3.Database(__dirname + "/db/vchess.sqlite"); -module.exports = function(wss) { - - let clients = { "index": {} }; - let games = {}; //pending games (player sid) - for (const v of Variants) - clients[v.name] = {}; +// Node version in Ubuntu 16.04 does not know about URL class +function getJsonFromUrl(url) { + var query = url.substr(2); //starts with "/?" + var result = {}; + query.split("&").forEach(function(part) { + var item = part.split("="); + result[item[0]] = decodeURIComponent(item[1]); + }); + return result; +} - wss.on("connection", (socket, req) => { - const params = new URL("http://localhost" + req.url).searchParams; - const sid = params.get("sid"); - const page = params.get("page"); - clients[page][sid] = socket; - if (page == "index") - { - // Send counting info - const countings = {}; - for (const v of Variants) - countings[v.name] = Object.keys(clients[v.name]).length; - socket.send(JSON.stringify({code:"counts",counts:countings})); - } - else - { - // Send to every client connected on index an update message for counts - Object.keys(clients["index"]).forEach( k => { - clients["index"][k].send(JSON.stringify({code:"increase",vname:page})); - }); - // Also notify potential opponents: hit all clients which check if sid corresponds - Object.keys(clients[page]).forEach( k => { - clients[page][k].send(JSON.stringify({code:"connect",id:sid})); - }); - socket.on("message", objtxt => { - let obj = JSON.parse(objtxt); - switch (obj.code) +module.exports = function(wss) { + db.serialize(function() { + db.all("SELECT * FROM Variants", (err,variants) => { + let clients = { "index": {} }; + let games = {}; //pending games (player sid) + for (const v of variants) + clients[v.name] = {}; + // No-op function as a callback when sending messages + const noop = () => { }; + wss.on("connection", (socket, req) => { +// const params = new URL("http://localhost" + req.url).searchParams; +// const sid = params.get("sid"); +// const page = params.get("page"); + var query = getJsonFromUrl(req.url); + const sid = query["sid"]; + const page = query["page"]; + // Ignore duplicate connections: + if (!!clients[page][sid]) { - case "newmove": - if (!!clients[page][obj.oppid]) - clients[page][obj.oppid].send(JSON.stringify({code:"newmove",move:obj.move})); - break; - case "ping": - if (!!clients[page][obj.oppid]) - socket.send(JSON.stringify({code:"pong"})); - break; - case "lastate": - if (!!clients[page][obj.oppid]) - { - const oppId = obj.oppid; - obj.oppid = sid; //I'm oppid for my opponent - clients[page][oppId].send(JSON.stringify(obj)); - } - break; - case "newgame": - if (!!games[page]) + socket.send(JSON.stringify({code:"duplicate"})); + return; + } + clients[page][sid] = socket; + if (page == "index") + { + // Send counting info + const countings = {}; + for (const v of variants) + countings[v.name] = Object.keys(clients[v.name]).length; + socket.send(JSON.stringify({code:"counts",counts:countings})); + } + else + { + // Send to every client connected on index an update message for counts + Object.keys(clients["index"]).forEach( k => { + clients["index"][k].send( + JSON.stringify({code:"increase",vname:page}), noop); + }); + // Also notify potential opponents: + // hit all clients which check if sid corresponds + Object.keys(clients[page]).forEach( k => { + clients[page][k].send(JSON.stringify({code:"connect",id:sid}), noop); + }); + socket.on("message", objtxt => { + let obj = JSON.parse(objtxt); + switch (obj.code) { - // Start a new game - const oppId = games[page]["id"]; - const fen = games[page]["fen"]; - delete games[page]; - const mycolor = Math.random() < 0.5 ? 'w' : 'b'; - socket.send(JSON.stringify({code:"newgame",fen:fen,oppid:oppId,color:mycolor})); - if (!!clients[page][oppId]) - clients[page][oppId].send(JSON.stringify({code:"newgame",fen:fen,oppid:sid,color:mycolor=="w"?"b":"w"})); + case "newchat": + if (!!clients[page][obj.oppid]) + { + clients[page][obj.oppid].send( + JSON.stringify({code:"newchat",msg:obj.msg}), noop); + } + break; + case "newmove": + if (!!clients[page][obj.oppid]) + { + clients[page][obj.oppid].send( + JSON.stringify({code:"newmove",move:obj.move}), noop); + } + break; + case "ping": + if (!!clients[page][obj.oppid]) + socket.send(JSON.stringify({code:"pong",gameId:obj.gameId})); + break; + case "myname": + // Reveal my username to opponent + if (!!clients[page][obj.oppid]) + { + clients[page][obj.oppid].send(JSON.stringify({ + code:"oppname", name:obj.name})); + } + break; + case "lastate": + if (!!clients[page][obj.oppid]) + { + const oppId = obj.oppid; + obj.oppid = sid; //I'm oppid for my opponent + clients[page][oppId].send(JSON.stringify(obj), noop); + } + break; + case "newgame": + if (!!games[page]) + { + // Start a new game + const oppId = games[page]["id"]; + const fen = games[page]["fen"]; + const gameId = games[page]["gameid"]; + delete games[page]; + const mycolor = (Math.random() < 0.5 ? 'w' : 'b'); + socket.send(JSON.stringify( + {code:"newgame",fen:fen,oppid:oppId,color:mycolor,gameid:gameId})); + if (!!clients[page][oppId]) + { + clients[page][oppId].send( + JSON.stringify( + {code:"newgame",fen:fen,oppid:sid,color:mycolor=="w"?"b":"w",gameid:gameId}), + noop); + } + } + else + games[page] = {id:sid, fen:obj.fen, gameid:obj.gameid}; //wait for opponent + break; + case "cancelnewgame": //if a user cancel his seek + delete games[page]; + break; + case "resign": + if (!!clients[page][obj.oppid]) + clients[page][obj.oppid].send(JSON.stringify({code:"resign"}), noop); + break; } - else - games[page] = {id:sid, fen:obj.fen}; //wait for opponent - break; - case "resign": - if (!!clients[page][obj.oppid]) - clients[page][obj.oppid].send(JSON.stringify({code:"resign"})); - break; + }); } - }); - } - socket.on("close", () => { - delete clients[page][sid]; - // Remove potential pending game - if (!!games[page] && games[page]["id"] == sid) - delete games[page]; - if (page != "index") - { - // Send to every client connected on index an update message for counts - Object.keys(clients["index"]).forEach( k => { - clients["index"][k].send(JSON.stringify({code:"decrease",vname:page})); + socket.on("close", () => { + delete clients[page][sid]; + // Remove potential pending game + if (!!games[page] && games[page]["id"] == sid) + delete games[page]; + if (page != "index") + { + // Send to every client connected on index an update message for counts + Object.keys(clients["index"]).forEach( k => { + clients["index"][k].send( + JSON.stringify({code:"decrease",vname:page}), noop); + }); + } + // Also notify potential opponents: + // hit all clients which check if sid corresponds + Object.keys(clients[page]).forEach( k => { + clients[page][k].send(JSON.stringify({code:"disconnect",id:sid}), noop); + }); }); - } - // Also notify potential opponents: hit all clients which check if sid corresponds - Object.keys(clients[page]).forEach( k => { - clients[page][k].send(JSON.stringify({code:"disconnect",id:sid})); }); }); });