More verbose instructions for creating sqlite database
[vchess.git] / server / sockets.js
index 7de7abb..f904311 100644 (file)
@@ -32,24 +32,13 @@ module.exports = function(wss) {
     const id = query["id"];
     const tmpId = query["tmpId"];
     const page = query["page"];
-    const notifyRoom = (page,code,obj={}) => {
-      if (!clients[page]) return;
-      Object.keys(clients[page]).forEach(k => {
-        Object.keys(clients[page][k]).forEach(x => {
-          if (k == sid && x == tmpId) return;
-          send(
-            clients[page][k][x].socket,
-            Object.assign({ code: code, from: sid }, obj)
-          );
-        });
-      });
-    };
-    // For focus events: no need to target self
-    const notifyAllBut = (page,code,obj={},except) => {
+    const notifyRoom = (page, code, obj={}, except) => {
       if (!clients[page]) return;
+      except = except || [];
       Object.keys(clients[page]).forEach(k => {
         if (except.includes(k)) return;
         Object.keys(clients[page][k]).forEach(x => {
+          if (k == sid && x == tmpId) return;
           send(
             clients[page][k][x].socket,
             Object.assign({ code: code, from: sid }, obj)
@@ -166,22 +155,42 @@ module.exports = function(wss) {
         case "askidentity":
         case "asklastate":
         case "askchallenges":
-        case "askgame":
-        case "askfullgame": {
+        case "askgame": {
           const pg = obj.page || page; //required for askidentity and askgame
-          // In cas askfullgame to wrong SID for example, would crash:
           if (!!clients[pg] && !!clients[pg][obj.target]) {
-            const tmpIds = Object.keys(clients[pg][obj.target]);
+            let tmpIds = Object.keys(clients[pg][obj.target]);
             if (obj.target == sid) {
               // Targetting myself
               const idx_myTmpid = tmpIds.findIndex(x => x == tmpId);
               if (idx_myTmpid >= 0) tmpIds.splice(idx_myTmpid, 1);
             }
-            const tmpId_idx = Math.floor(Math.random() * tmpIds.length);
-            send(
-              clients[pg][obj.target][tmpIds[tmpId_idx]].socket,
-              { code: obj.code, from: [sid,tmpId,page] }
-            );
+            if (tmpIds.length > 0) {
+              const ttmpId = tmpIds[Math.floor(Math.random() * tmpIds.length)];
+              send(
+                clients[pg][obj.target][ttmpId].socket,
+                { code: obj.code, from: [sid,tmpId,page] }
+              );
+            }
+          }
+          break;
+        }
+
+        // Special situation of the previous "case":
+        // Full game can be asked to any observer.
+        case "askfullgame": {
+          if (!!clients[page]) {
+            let sids = Object.keys(clients[page]).filter(k => k != sid);
+            if (sids.length > 0) {
+              // Pick a SID at random in this set, and ask full game:
+              const rid = sids[Math.floor(Math.random() * sids.length)];
+              // ..to a random tmpId:
+              const tmpIds = Object.keys(clients[page][rid]);
+              const rtmpId = tmpIds[Math.floor(Math.random() * tmpIds.length)];
+              send(
+                clients[page][rid][rtmpId].socket,
+                { code: "askfullgame", from: [sid,tmpId] }
+              );
+            }
           }
           break;
         }
@@ -208,14 +217,16 @@ module.exports = function(wss) {
         case "drawoffer":
         case "rematchoffer":
         case "draw":
-          notifyRoom(page, obj.code, {data: obj.data});
+          notifyRoom(page, obj.code, {data: obj.data}, obj.excluded);
           break;
 
         case "rnewgame":
           // A rematch game started:
-          // NOTE: no need to explicitely notify Hall: the game will be sent
-          notifyAllBut(page, "newgame", {data: obj.data}, [sid]);
-          notifyRoom("/mygames", "newgame", {data: obj.data});
+          notifyRoom(page, "newgame", {data: obj.data});
+          // Explicitely notify Hall if gametype == corr.
+          // Live games will be polled from Hall after gconnect event.
+          if (obj.data.cadence.indexOf('d') >= 0)
+            notifyRoom("/", "newgame", {data: obj.data});
           break;
 
         case "newmove": {
@@ -284,11 +295,11 @@ module.exports = function(wss) {
 
         case "getfocus":
         case "losefocus":
-          if (page == "/") notifyAllBut("/", obj.code, { page: "/" }, [sid]);
+          if (page == "/") notifyRoom("/", obj.code, { page: "/" }, [sid]);
           else {
             // Notify game room + Hall:
-            notifyAllBut(page, obj.code, {}, [sid]);
-            notifyAllBut("/", obj.code, { page: page }, [sid]);
+            notifyRoom(page, obj.code, {}, [sid]);
+            notifyRoom("/", obj.code, { page: page }, [sid]);
           }
           break;