Added Hector's Go poc

gopoc/poc2/.gitignore

@@ -0,0 +1 @@
+kapow

gopoc/poc2/kapow.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os/exec"
+)
+
+const defaultMessage = "Hello Mr. %v\n"
+const commandErrorMessage = "Error executing command: %v\n"
+const commandExecutionMessage = "Command executed: %v\n"
+
+type serverSpec struct {
+	id, listenAddr string
+	routes         *http.ServeMux
+}
+
+var servers = []serverSpec{{id: "commandServer", listenAddr: ":8090"}, {id: "defaultServer", listenAddr: ":8080"}}
+
+func startServer(spec serverSpec) {
+	err := http.ListenAndServe(spec.listenAddr, spec.routes)
+	if err != nil {
+		log.Fatal("Error serving ", err)
+	}
+}
+
+func main() {
+
+	pipe := make(chan string)
+
+	// Create default route handler
+	servers[1].routes = http.NewServeMux()
+	servers[1].routes.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/speech; charset=utf-8")
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte(fmt.Sprintf(defaultMessage, "Unknown")))
+
+		pipe <- fmt.Sprintf("Received request on server %v", servers[1].id)
+		servers[0].routes.HandleFunc("/testNewRoute", func(w http.ResponseWriter, r *http.Request) {
+			w.Header().Set("Content-Type", "text/speech; charset=utf-8")
+
+			cmd := exec.Command("ls", "-la", "../")
+			output, err := cmd.CombinedOutput()
+			if err != nil {
+				w.WriteHeader(http.StatusInternalServerError)
+				w.Write([]byte(fmt.Sprintf(commandErrorMessage, err)))
+			} else {
+				w.WriteHeader(http.StatusOK)
+				w.Write([]byte(fmt.Sprintf(commandExecutionMessage, string(output))))
+			}
+
+			pipe <- fmt.Sprintf("Received request \"/\" on server %v", servers[0].id)
+		})
+	})
+
+	// Create commands route handler
+	servers[0].routes = http.NewServeMux()
+	servers[0].routes.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/speech; charset=utf-8")
+
+		cmd := exec.Command("ls", "-la", "./")
+		output, err := cmd.CombinedOutput()
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(fmt.Sprintf(commandErrorMessage, err)))
+		} else {
+			w.WriteHeader(http.StatusOK)
+			w.Write([]byte(fmt.Sprintf(commandExecutionMessage, string(output))))
+		}
+
+		pipe <- fmt.Sprintf("Received request \"/testNewRoute\" on server %v", servers[0].id)
+	})
+
+	for i := 0; i < len(servers); i++ {
+		go startServer(servers[i])
+	}
+
+	for {
+		fmt.Println("Tracing: ", <-pipe)
+	}
+}