refs #5368 Added retryAttempts & retryTimeout

README.md

@@ -19,7 +19,17 @@ Build
 
 Create file named "config.local.yml" and put your private configuration:
 ```
-debug: true
+debug: false
+log: true
+dryPrint: false
+keepFile: false
+serverId: 1
+concurrency: 4
+reconnectTimeout: 10
+refreshRate: 1000
+tmpDir: /dev/shm/printnatura
+retryAttempts: 3
+retryTimeout: 1000
 db:
   host: localhost
   port: 3306
@@ -29,8 +39,7 @@ db:
 salix:
   url: http://localhost:3000
   user: user
-reconnectTimeout: 30
-refreshRate: 1000
+  password: password
 ```
 ## How to use
 

config.yml

@@ -7,6 +7,8 @@ concurrency: 4
 reconnectTimeout: 10
 refreshRate: 1000
 tmpDir: /dev/shm/printnatura
+retryAttempts: 3
+retryTimeout: 1500
 db:
   host: localhost
   port: 3306

print-server.js

@@ -239,7 +239,7 @@ class PrintServer {
 
             // Request
             let pdfData;
-            for (let attempts = 0; !pdfData && attempts < 3; attempts++) {
+            for (let attempts = 0; !pdfData && attempts < this.conf.retryAttempts; attempts++) {
                 try {
                     const res = await this.api({
                         method: 'get',
@@ -250,28 +250,31 @@ class PrintServer {
                     pdfData = res.data;  
                 }
                 catch (err) {
-                    if (err.name === 'AxiosError') {
+                    if (err.name === 'AxiosError' && attempts < this.conf.retryAttempts - 1) {
                         const res = err.response;
                         switch(res.status) {
                             case 401: // Unauthorized
                                 await this.getToken();
                                 break;
                             case 502 || 504: // Bad Gateway & Gateway Timeout
+                                await new Promise(
+                                    resolve => setTimeout(resolve, this.conf.retryTimeout));
                                 break;
                             default:
-                                const resMessage = JSON.parse(res.data).error.message;
-                                const resErr = new Error(`${err.message}: ${resMessage}`);
-                                resErr.stack = err.stack;
-                                throw resErr;
+                                try {
+                                    const resMessage = JSON.parse(res.data).error.message;
+                                    const resErr = new Error(`${err.message}: ${resMessage}`);
+                                    resErr.stack = err.stack;
+                                    throw resErr;
+                                } catch (err) {
+                                        throw err;
+                                }
                         }
                     } else
                         throw err;
                 }
             }
 
-            if (!pdfData)
-                throw 'Could not get pdf from server'
-
             // Save PDF to disk
             const printer = jobData.printer;
             const tmpPath = conf.tmpDir;