[core] Run GOWS with pprof if WAHA_DEBUG_MODE=true

src/core/config/GowsEngineConfigService.ts

@@ -1,16 +1,21 @@
 import { Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
+import { WhatsappConfigService } from '@waha/config.service';
 import { BootstrapConfig } from '@waha/core/engines/gows/GowsBootstrap';
 import { GowsConfig } from '@waha/core/engines/gows/session.gows.core';
 
 @Injectable()
 export class GowsEngineConfigService {
-  constructor(protected configService: ConfigService) {}
+  constructor(
+    protected configService: ConfigService,
+    protected whatsappConfigService: WhatsappConfigService,
+  ) {}
 
   getBootstrapConfig(): BootstrapConfig {
     return {
       path: this.configService.get('WAHA_GOWS_PATH'),
       socket: this.getSocket(),
+      pprof: this.whatsappConfigService.debugModeEnabled,
     };
   }
 

src/core/engines/gows/GowsBootstrap.ts

@@ -22,6 +22,7 @@ export async function isUnixSocket(socketPath: string): Promise<boolean> {
 export interface BootstrapConfig {
   path: string;
   socket: string;
+  pprof?: boolean;
 }
 
 export class GowsBootstrap implements EngineBootstrap {
@@ -44,6 +45,7 @@ export class GowsBootstrap implements EngineBootstrap {
       this.logger,
       this.config.path,
       this.config.socket,
+      this.config.pprof,
     );
     this.gows.start(() => {
       this.logger.info(`GOWS stopped, exiting...`);

src/core/engines/gows/GowsSubprocess.ts

@@ -14,13 +14,21 @@ export class GowsSubprocess {
     private logger: Logger,
     readonly path: string,
     readonly socket: string,
+    readonly pprof: boolean = false,
   ) {}
 
   start(onExit: (code: number) => void) {
     this.logger.info('Starting GOWS subprocess...');
     this.logger.debug(`GOWS path '${this.path}', socket: '${this.socket}'...`);
 
-    this.child = spawn(this.path, ['--socket', this.socket], {
+    const args = ['--socket', this.socket];
+    if (this.pprof) {
+      this.logger.info('Debug mode enabled, adding pprof flags');
+      args.push('--pprof');
+      args.push('--pprof-port=6060');
+    }
+
+    this.child = spawn(this.path, args, {
       detached: true,
     });
     this.logger.debug(`GOWS started with PID: ${this.child.pid}`);