start of go upload client

clients/go/Makefile

@@ -0,0 +1,8 @@
+include $(GOROOT)/src/Make.$(GOARCH)
+
+TARG=camliup
+GOFILES=\
+	camliup.go\
+
+include $(GOROOT)/src/Make.cmd
+

clients/go/camliup.go

@@ -0,0 +1,70 @@
+// Copyright 2010 Brad Fitzpatrick <brad@danga.com>
+//
+// See LICENSE.
+
+package main
+
+import (
+	"crypto/sha1"
+	"flag"
+	"fmt"
+	"io"
+	"os"
+)
+
+var flagFile *string = flag.String("file", "", "file to upload")
+var flagServer *string = flag.String("server", "http://localhost:3179/", "camlistore server")
+
+type UploadHandle struct {
+	blobref  string
+	contents io.ReadSeeker
+}
+
+// Upload agent
+type Agent struct {
+	server string
+}
+
+func NewAgent(server string) *Agent {
+	return &Agent{server}
+}
+
+func (a *Agent) Upload(handle *UploadHandle) {
+	// TODO
+	fmt.Println("Need to upload: ", handle)
+}
+
+func (a *Agent) Wait() int {
+	// TODO
+	return 0
+}
+
+func blobName(contents io.ReadSeeker) string {
+	s1 := sha1.New()
+	contents.Seek(0, 0)
+	io.Copy(s1, contents)
+	return fmt.Sprintf("sha1-%x", s1.Sum())
+}
+
+func uploadFile(agent *Agent, filename string) os.Error {
+	file, err := os.Open(filename, os.O_RDONLY, 0)
+	if err != nil {
+		return err
+	}
+
+	fmt.Println("blob is:", blobName(file))
+	handle := &UploadHandle{blobName(file), file}
+	agent.Upload(handle)
+	return nil
+}
+
+func main() {
+	flag.Parse()
+	agent := NewAgent(*flagServer)
+	if *flagFile != "" {
+		uploadFile(agent, *flagFile)
+	}
+	
+	stats := agent.Wait()
+	fmt.Println("Done uploading; stats:", stats)
+}