moved fileserver to separate file.

cmd/converge/fileserver.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+	"strings"
+)
+
+// filters to filter html content.
+var filters map[string]string = make(map[string]string)
+
+type FilteredFileSystem struct {
+	fs http.FileSystem
+}
+
+func (ffs FilteredFileSystem) Open(name string) (http.File, error) {
+	f, err := ffs.fs.Open(name)
+	if err != nil {
+		return nil, err
+	}
+	if !strings.HasSuffix(name, ".html") {
+		return f, nil
+	}
+	return NewFilteredFile(f, filters)
+}
+
+type FilteredFile struct {
+	http.File
+
+	// Read bytes 0..(index-1) already
+	index        int
+	fullContents *bytes.Buffer
+}
+
+func NewFilteredFile(f http.File, filter map[string]string) (FilteredFile, error) {
+	file := FilteredFile{
+		index:        0,
+		fullContents: bytes.NewBuffer(make([]byte, 0)),
+	}
+	file.File = f
+
+	_, err := io.Copy(file.fullContents, file.File)
+	if err != nil {
+		return FilteredFile{}, err
+	}
+	contents := file.fullContents.String()
+	for key, value := range filter {
+		key = "@" + key + "@"
+		contents = strings.ReplaceAll(contents, key, value)
+	}
+	file.fullContents = bytes.NewBufferString(contents)
+
+	return file, nil
+}
+
+func (ff FilteredFile) Read(p []byte) (n int, err error) {
+	return ff.fullContents.Read(p)
+}

cmd/converge/server.go

@@ -1,11 +1,9 @@
 package main
 
 import (
-	"bytes"
 	"converge/pkg/converge"
 	"converge/pkg/websocketutil"
 	"fmt"
-	"io"
 	"log"
 	"net"
 	"net/http"
@@ -29,9 +27,6 @@ func catchAllHandler(w http.ResponseWriter, r *http.Request) {
 	return
 }
 
-// filters to filter html content.
-var filters map[string]string = make(map[string]string)
-
 type FileHandlerFilter struct {
 	http.Handler
 }
@@ -64,54 +59,6 @@ func (handler FileHandlerFilter) ServeHTTP(w http.ResponseWriter, r *http.Reques
 	handler.Handler.ServeHTTP(w, r)
 }
 
-type FilteredFileSystem struct {
-	fs http.FileSystem
-}
-
-func (ffs FilteredFileSystem) Open(name string) (http.File, error) {
-	f, err := ffs.fs.Open(name)
-	if err != nil {
-		return nil, err
-	}
-	if !strings.HasSuffix(name, ".html") {
-		return f, nil
-	}
-	return NewFilteredFile(f, filters)
-}
-
-type FilteredFile struct {
-	http.File
-
-	// Read bytes 0..(index-1) already
-	index        int
-	fullContents *bytes.Buffer
-}
-
-func NewFilteredFile(f http.File, filter map[string]string) (FilteredFile, error) {
-	file := FilteredFile{
-		index:        0,
-		fullContents: bytes.NewBuffer(make([]byte, 0)),
-	}
-	file.File = f
-
-	_, err := io.Copy(file.fullContents, file.File)
-	if err != nil {
-		return FilteredFile{}, err
-	}
-	contents := file.fullContents.String()
-	for key, value := range filter {
-		key = "@" + key + "@"
-		contents = strings.ReplaceAll(contents, key, value)
-	}
-	file.fullContents = bytes.NewBufferString(contents)
-
-	return file, nil
-}
-
-func (ff FilteredFile) Read(p []byte) (n int, err error) {
-	return ff.fullContents.Read(p)
-}
-
 func main() {
 
 	downloadDir := "downloads"