ssh - show connection log while connecting

terminus-ssh/src/components/sshTab.component.ts

@@ -1,5 +1,8 @@
 import { Component } from '@angular/core'
-import { TerminalTabComponent } from 'terminus-terminal'
+import { first } from 'rxjs/operators'
+import { BaseTerminalTabComponent } from 'terminus-terminal'
+import { SSHService } from '../services/ssh.service'
+import { SSHConnection, SSHSession } from '../api'
 
 @Component({
     template: `
@@ -10,5 +13,44 @@ import { TerminalTabComponent } from 'terminus-terminal'
     `,
     styles: [require('./sshTab.component.scss')],
 })
-export class SSHTabComponent extends TerminalTabComponent {
+export class SSHTabComponent extends BaseTerminalTabComponent {
+    connection: SSHConnection
+    ssh: SSHService
+    session: SSHSession
+
+    ngOnInit () {
+        this.logger = this.log.create('terminalTab')
+        this.ssh = this.injector.get(SSHService)
+        this.frontendReady$.pipe(first()).subscribe(() => {
+            this.initializeSession()
+        })
+
+        super.ngOnInit()
+    }
+
+    async initializeSession () {
+        if (!this.connection) {
+            this.logger.error('No SSH connection info supplied')
+            return
+        }
+
+        this.session = new SSHSession(this.connection)
+        this.attachSessionHandlers()
+        this.write(`Connecting to ${this.connection.host}`)
+        let interval = setInterval(() => this.write('.'), 500)
+        try {
+            await this.ssh.connectSession(this.session, message => {
+                this.write('\r\n' + message)
+            })
+        } catch (e) {
+            this.write('\r\n')
+            this.write(e.message)
+            return
+        } finally {
+            clearInterval(interval)
+            this.write('\r\n')
+        }
+        this.session.resize(this.size.columns, this.size.rows)
+        this.session.start()
+    }
 }