checkpoint, getting websockets working

package.json

@@ -13,6 +13,7 @@
     "react-dom": "^18.1.0",
     "sprintf-js": "^1.1.2",
     "tsx-control-statements": "^4.1.1",
+    "uuid": "^8.3.2",
     "xterm": "^4.18.0"
   },
   "devDependencies": {

src/main.tsx

@@ -55,7 +55,7 @@ class LineCmd extends React.Component<{line : LineType, session : Session}, {}>
     componentDidMount() {
         let {session, line} = this.props;
         let termElem = document.getElementById(this.getId());
-        let termWrap = session.getTermWrap(line);
+        let termWrap = session.getTermWrapByLine(line);
         termWrap.connectToElem(termElem);
         if (line.isnew) {
             setTimeout(() => {
@@ -65,9 +65,6 @@ class LineCmd extends React.Component<{line : LineType, session : Session}, {}>
                     line.isnew = false;
                 })();
             }, 100);
-            setTimeout(() => {
-                termWrap.reloadTerminal(0);
-            }, 1000);
         }
     }
 
@@ -79,8 +76,8 @@ class LineCmd extends React.Component<{line : LineType, session : Session}, {}>
     @boundMethod
     doRefresh() {
         let {session, line} = this.props;
-        let termWrap = session.getTermWrap(line);
-        termWrap.reloadTerminal(500);
+        let termWrap = session.getTermWrapByLine(line);
+        termWrap.reloadTerminal(line.sessionid, line.cmdid, 500);
     }
 
     @boundMethod
@@ -105,7 +102,7 @@ class LineCmd extends React.Component<{line : LineType, session : Session}, {}>
         let running = false;
         let rows = 0;
         let cols = 0;
-        let termWrap = session.getTermWrap(line);
+        let termWrap = session.getTermWrapByLine(line);
         let renderVersion = termWrap.getRenderVersion();
         termWrap.resizeToContent();
         let termSize = termWrap.getSize();

src/session.ts

@@ -2,8 +2,8 @@ import * as mobx from "mobx";
 import {sprintf} from "sprintf-js";
 import {boundMethod} from "autobind-decorator";
 import {handleJsonFetchResponse} from "./util";
-import {GlobalWS} from "./ws";
-import {TermWrap, makeTermKey} from "./term";
+import {TermWrap} from "./term";
+import {v4 as uuidv4} from "uuid";
 
 var GlobalUser = "sawka";
 var GSessionId = "47445c53-cfcf-4943-8339-2c04447f20a1";
@@ -14,6 +14,10 @@ var GlobalLines = mobx.observable.box([
     {sessionid: GSessionId, windowid: GWindowId, lineid: 2, userid: "sawka", ts: 1654631125000, linetype: "text", text: "again"},
 ]);
 
+function makeTermKey(sessionId : string, cmdId : string, windowId : string, lineid : number) : string {
+    return sprintf("%s/%s/%s/%s", sessionId, cmdId, windowId, lineid);
+}
+
 type LineType = {
     sessionid : string,
     windowid : string,
@@ -35,15 +39,19 @@ type WindowType = {
 };
 
 class Session {
-    sessionid : string;
+    sessionId : string;
     name : string;
     windows : WindowType[];
     activeWindowId : string;
     termMap : Record<string, TermWrap> = {};
+    termMapById : Record<string, TermWrap> = {};
+
+    constructor() {
+    }
 
     submitCommand(windowid : string, commandStr : string) {
         let url = sprintf("http://localhost:8080/api/run-command");
-        let data = {sessionid: this.sessionid, windowid: windowid, command: commandStr, userid: GlobalUser};
+        let data = {sessionid: this.sessionId, windowid: windowid, command: commandStr, userid: GlobalUser};
         fetch(url, {method: "post", body: JSON.stringify(data)}).then((resp) => handleJsonFetchResponse(url, resp)).then((data) => {
             mobx.action(() => {
                 let lines = GlobalLines.get();
@@ -55,19 +63,29 @@ class Session {
         });
     }
 
-    getTermWrap(line : LineType) {
+    getTermWrapByLine(line : LineType) : TermWrap {
         let termKey = makeTermKey(line.sessionid, line.cmdid, line.windowid, line.lineid);
         let termWrap = this.termMap[termKey];
         if (termWrap != null) {
             return termWrap;
         }
-        termWrap = new TermWrap(line.sessionid, line.cmdid, line.windowid, line.lineid);
+        termWrap = new TermWrap();
         this.termMap[termKey] = termWrap;
+        this.termMapById[termWrap.termId] = termWrap;
         termWrap.initialized = true;
         termWrap.reloadTerminal(0);
+        termWrap.startPtyTail(line.sessionid, line.cmdid);
         return termWrap;
     }
 
+    getTermById(termId : string) : TermWrap {
+        return this.termMapById[termId];
+    }
+
+    recvCmdData(termWrap : TermWrap, pk : any) {
+        console.log("cmddata", pk);
+    }
+
     getActiveWindow() : WindowType {
         if (this.windows == null) {
             return null;
@@ -84,7 +102,7 @@ class Session {
 function getDefaultSession() : Session {
     let windowLines = GlobalLines.get();
     let session = new Session();
-    session.sessionid = GSessionId;
+    session.sessionId = GSessionId;
     session.name = "default";
     session.activeWindowId = GWindowId;
     session.windows = [

src/sh2.ts

@@ -4,9 +4,12 @@ import {sprintf} from "sprintf-js";
 import {Terminal} from 'xterm';
 import {Main} from "./main";
 import {GlobalWS} from "./ws";
+import {v4 as uuidv4} from "uuid";
 
 let VERSION = __SHVERSION__;
 
+window.ScriptHausClientId = uuidv4();
+
 document.addEventListener("DOMContentLoaded", () => {
     GlobalWS.reconnect();
     let reactElem = React.createElement(Main, null, null);

src/term.ts

@@ -3,10 +3,7 @@ import {Terminal} from 'xterm';
 import {sprintf} from "sprintf-js";
 import {boundMethod} from "autobind-decorator";
 import {GlobalWS} from "./ws";
-
-function makeTermKey(sessionId : string, cmdId : string, windowId : string, lineid : number) : string {
-    return sprintf("%s/%s/%s/%s", sessionId, cmdId, windowId, lineid);
-}
+import {v4 as uuidv4} from "uuid";
 
 function loadPtyOut(term : Terminal, sessionId : string, cmdId : string, delayMs : number, callback?: (number) => void) {
     term.clear()
@@ -23,10 +20,7 @@ function loadPtyOut(term : Terminal, sessionId : string, cmdId : string, delayMs
 
 class TermWrap {
     terminal : Terminal;
-    sessionId : string;
-    cmdId : string;
-    windowId : string;
-    lineid : number;
+    termId : string;
     ptyPos : number = 0;
     runPos : number = 0;
     runData : string = "";
@@ -38,11 +32,8 @@ class TermWrap {
     atRowMax : boolean = false;
     initialized : boolean = false;
 
-    constructor(sessionId : string, cmdId : string, windowId : string, lineid : number) {
-        this.sessionId = sessionId;
-        this.cmdId = cmdId;
-        this.windowId = windowId;
-        this.lineid = lineid;
+    constructor() {
+        this.termId = uuidv4();
         this.terminal = new Terminal({rows: 2, cols: 80});
     }
 
@@ -50,6 +41,19 @@ class TermWrap {
         
     }
 
+    startPtyTail(sessionId : string, cmdId : string) {
+        let getCmdPacket = {
+            type: "getcmd",
+            reqid: this.termId,
+            sessionid: sessionId,
+            cmdid: cmdId,
+            ptypos: this.ptyPos,
+        };
+        GlobalWS.registerAndSendGetCmd(getCmdPacket, (dataPacket) => {
+            console.log("data-packet", dataPacket);
+        });
+    }
+
     // datalen is passed because data could be utf-8 and data.length is not the actual *byte* length
     updatePtyData(pos : number, data : string, datalen : number) {
         if (pos != this.ptyPos) {
@@ -116,8 +120,8 @@ class TermWrap {
         mobx.action(() => this.renderVersion.set(this.renderVersion.get() + 1))();
     }
 
-    reloadTerminal(delayMs : number) {
-        loadPtyOut(this.terminal, this.sessionId, this.cmdId, delayMs, (ptyoutLen) => {
+    reloadTerminal(sessionId : string, cmdId : string, delayMs : number) {
+        loadPtyOut(this.terminal, sessionId, cmdId, delayMs, (ptyoutLen) => {
             mobx.action(() => {
                 this.incRenderVersion();
                 this.ptyPos = ptyoutLen;
@@ -136,4 +140,4 @@ class TermWrap {
     }
 }
 
-export {TermWrap, makeTermKey};
+export {TermWrap};

src/ws.ts

@@ -22,6 +22,10 @@ class WSControl {
         this.open.set(val);
     }
 
+    registerAndSendGetCmd(pk : any) {
+        this.pushMessage(pk)
+    }
+
     reconnect() {
         if (this.open.get()) {
             this.wsConn.close();
@@ -72,8 +76,8 @@ class WSControl {
         console.log("websocket open");
         this.setOpen(true);
         this.opening = false;
-        this.reconnectTimes = 0;
         this.runMsgQueue();
+        // reconnectTimes is reset in onmessage:hello
     }
 
     runMsgQueue() {
@@ -107,6 +111,10 @@ class WSControl {
             // nothing
             return;
         }
+        if (eventData.type == "hello") {
+            this.reconnectTimes = 0;
+            return;
+        }
         console.log("websocket message", event);
     }