added file based logging to service; new config file entry log_path

core/http.go

@@ -112,8 +112,9 @@ func (self *WebService) HandleBatch(w http.ResponseWriter, r *http.Request) {
 	encoder := json.NewEncoder(w)
 	err = encoder.Encode(results)
 	if err != nil {
-		log.Println("Error encoding results")
-		err = encoder.Encode("Bad Result")
+		log.Println("Error Batch results")
+	    log.Println(spew.Sdump(r.Form)
+		err = encoder.Encode("Bad Batch Request")
 	}
 
 }

core/service.go

@@ -1,6 +1,7 @@
 package core
 
 import (
+	"fmt"
 	"log"
 	"os"
 	"os/signal"
@@ -46,9 +47,23 @@ func NewService() *Service {
 	service.Index = index.NewFragmentContainer()
 	service.Hold = hold.NewHolder()
 	service.version = "0.0.8"
+	service.PrepareLogging()
 	return service
 }
 
+func (self *Service) PrepareLogging() {
+	base_path := config.GetString("log_path")
+	if base_path == "" {
+		base_path = "/tmp"
+	}
+	f, err := os.OpenFile(fmt.Sprintf("%s/cruncher.%s", base_path, self.Id), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err != nil {
+		log.Error("error opening file: %v", err)
+	}
+	//defer f.Close()
+	log.SetOutput(f)
+}
+
 func (service *Service) init_id() {
 	var id uuid.UUID
 	var err error