Merge remote-tracking branch 'origin/master'

3 files changed, 33 insertions, 3 deletions

diff --git a/.rr.yaml b/.rr.yaml
index 7e38faf7..34ef7af7 100644
--- a/.rr.yaml
+++ b/.rr.yaml
@@ -13,11 +13,21 @@ rpc:
 metrics:
   # prometheus client address (path /metrics added automatically)
   address: localhost:2112
+  
+  # list of metrics to collect from application
   collect:
+    # metric name
     app_metric:
+      # type [gauge, counter, histogram, symnmary]
       type:    histogram
+      
+      # short description
       help:    "Custom application metric"
+      
+      # metric groups/tags
       labels:  ["type"]
+      
+      # for histogram only
       buckets: [0.1, 0.2, 0.3, 1.0]
 
 # http service configuration.
diff --git a/README.md b/README.md
index 27be0208..967c11e2 100644
--- a/README.md
+++ b/README.md
@@ -47,11 +47,21 @@ Features:
 - integrations with Symfony, Laravel, Slim, CakePHP, Zend Expressive, Spiral
 - works on Windows
 
+Installation:
+--------
+To install:
+
+```
+$ composer require spiral/roadrunner
+$ ./vendor/bin/rr get-binary
+```
+
 Example:
 --------
 
 ```php
 <?php
+// worker.php
 ini_set('display_errors', 'stderr');
 include "vendor/autoload.php";
 
@@ -75,11 +85,19 @@ Configuration can be located in `.rr.yaml` file ([full sample](https://github.co
 ```yaml
 http:
   address:         0.0.0.0:8080
-  workers.command: "php psr-worker.php"
+  workers.command: "php worker.php"
 ```
 
 > Read more in [Wiki](https://github.com/spiral/roadrunner/wiki/PHP-Workers).
 
+Run:
+----
+To run application server:
+
+```
+$ ./rr serve -v -d
+```
+
 License:
 --------
-The MIT License (MIT). Please see [`LICENSE`](./LICENSE) for more information. Maintained by [SpiralScout](https://spiralscout.com).
+The MIT License (MIT). Please see [`LICENSE`](./LICENSE) for more information. Maintained by [Spiral Scout](https://spiralscout.com).
diff --git a/worker.go b/worker.go
index ac0ba38e..a95a80b3 100644
--- a/worker.go
+++ b/worker.go
@@ -230,7 +230,9 @@ func (w *Worker) execPayload(rqs *Payload) (rsp *Payload, err error) {
 		return nil, errors.Wrap(err, "header error")
 	}
 
-	w.rl.Send(rqs.Body, 0)
+	if err = w.rl.Send(rqs.Body, 0); err != nil {
+		return nil, errors.Wrap(err, "sender error")
+	}
 
 	var pr goridge.Prefix
 	rsp = new(Payload)