From 3d7e638cc63679349637b6a8cec02ec73cf60b2b Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <thorsten.sommer@dlr.de>
Date: Thu, 13 Sep 2018 15:30:32 +0200
Subject: [PATCH] Initial

---
 Main.go                 | 10 ++++++++++
 Variables.go            |  1 +
 cli/CmdStart.go         | 31 +++++++++++++++++++++++++++++++
 cli/CmdVersion.go       | 22 ++++++++++++++++++++++
 cli/Init.go             |  7 +++++++
 cli/Variables.go        | 12 ++++++++++++
 configuration/Scheme.go |  7 +++++++
 go.mod                  |  7 +++++++
 go.sum                  |  6 ++++++
 version/Version.go      | 14 ++++++++++++++
 10 files changed, 117 insertions(+)
 create mode 100644 Main.go
 create mode 100644 Variables.go
 create mode 100644 cli/CmdStart.go
 create mode 100644 cli/CmdVersion.go
 create mode 100644 cli/Init.go
 create mode 100644 cli/Variables.go
 create mode 100644 configuration/Scheme.go
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 version/Version.go

diff --git a/Main.go b/Main.go
new file mode 100644
index 0000000..b2eedb6
--- /dev/null
+++ b/Main.go
@@ -0,0 +1,10 @@
+package main
+
+import (
+	"fileserver/cli"
+)
+
+// The entry point of the application.
+func main() {
+	cli.Init()
+}
diff --git a/Variables.go b/Variables.go
new file mode 100644
index 0000000..06ab7d0
--- /dev/null
+++ b/Variables.go
@@ -0,0 +1 @@
+package main
diff --git a/cli/CmdStart.go b/cli/CmdStart.go
new file mode 100644
index 0000000..59f0a00
--- /dev/null
+++ b/cli/CmdStart.go
@@ -0,0 +1,31 @@
+package cli
+
+import (
+	"fileserver/version"
+	"log"
+	"net/http"
+
+	"github.com/spf13/cobra"
+)
+
+func cmdStart() (cmd *cobra.Command) {
+	cmd = &cobra.Command{
+		Use:   "start",
+		Short: "Starts the Simple File Server with the given configuration.",
+		Args:  cobra.NoArgs,
+		Run: func(cmd *cobra.Command, args []string) {
+			// Run the server
+			log.Printf("Simple File Server v%s", version.VERSION)
+			log.Printf("Compiled with Go %s", version.GetGoversion())
+			log.Printf("Configuration: root directory='%s', bind to='%s", configData.RootDirectory, configData.BindHostAndPort)
+			log.Println("Start the file server now...")
+
+			http.Handle("/", http.FileServer(http.Dir(configData.RootDirectory)))
+			http.ListenAndServe(configData.BindHostAndPort, nil)
+		},
+	}
+
+	cmd.Flags().StringVarP(&configData.RootDirectory, "rootDirectory", "d", ".", "The root directory. All files in this directory and its sub-directories get published.")
+	cmd.Flags().StringVarP(&configData.BindHostAndPort, "bindHostPort", "b", "0.0.0.0:8080", "The address or hostname and port where to bind the file server.")
+	return
+}
diff --git a/cli/CmdVersion.go b/cli/CmdVersion.go
new file mode 100644
index 0000000..6dd4f88
--- /dev/null
+++ b/cli/CmdVersion.go
@@ -0,0 +1,22 @@
+package cli
+
+import (
+	"fileserver/version"
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func cmdVersion() (cmd *cobra.Command) {
+	cmd = &cobra.Command{
+		Use:   "version",
+		Short: "Prints the current version",
+		Args:  cobra.NoArgs,
+		Run: func(cmd *cobra.Command, args []string) {
+			fmt.Printf("Simple File Server v%s\n", version.VERSION)
+			fmt.Printf("Compiled with Go %s", version.GetGoversion())
+		},
+	}
+
+	return
+}
diff --git a/cli/Init.go b/cli/Init.go
new file mode 100644
index 0000000..83be960
--- /dev/null
+++ b/cli/Init.go
@@ -0,0 +1,7 @@
+package cli
+
+func Init() {
+	rootCLI.AddCommand(cmdStart())
+	rootCLI.AddCommand(cmdVersion())
+	rootCLI.Execute()
+}
diff --git a/cli/Variables.go b/cli/Variables.go
new file mode 100644
index 0000000..297a4af
--- /dev/null
+++ b/cli/Variables.go
@@ -0,0 +1,12 @@
+package cli
+
+import (
+	"fileserver/Configuration"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	rootCLI    = &cobra.Command{Use: "SimpleFileServer"}
+	configData = &configuration.Container{}
+)
diff --git a/configuration/Scheme.go b/configuration/Scheme.go
new file mode 100644
index 0000000..437617b
--- /dev/null
+++ b/configuration/Scheme.go
@@ -0,0 +1,7 @@
+package configuration
+
+// The data container for the configuration.
+type Container struct {
+	BindHostAndPort string
+	RootDirectory   string
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..5813fb2
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module fileserver
+
+require (
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/spf13/cobra v0.0.3
+	github.com/spf13/pflag v1.0.2 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..c496234
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,6 @@
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/spf13/cobra v0.0.3 h1:ZlrZ4XsMRm04Fr5pSFxBgfND2EBVa1nLpiy1stUsX/8=
+github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
+github.com/spf13/pflag v1.0.2 h1:Fy0orTDgHdbnzHcsOgfCN4LtHf0ec3wwtiwJqwvf3Gc=
+github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
diff --git a/version/Version.go b/version/Version.go
new file mode 100644
index 0000000..f28ba17
--- /dev/null
+++ b/version/Version.go
@@ -0,0 +1,14 @@
+package version
+
+import (
+	"runtime"
+	"strings"
+)
+
+const VERSION = "1.0.0"
+
+func GetGoversion() (ver string) {
+	ver = runtime.Version()
+	ver = strings.Replace(ver, "go", "", 1)
+	return
+}