#1 单机版对象存储

README.md

@@ -1,2 +1,10 @@
 # distribute-object-storage
 Simple distributed object storage implemented by go
+
+### 1 单机版对象存储
+mkdir /tmp/objects
+
+`LISTEN_ADDRESS=:12345 STORAGE_ROOT=/tmp go run server.go`
+
+存对象`curl -v 127.0.0.1:12345/objects/test -XPUT  -d "this is a test object"`
+取对象`curl -v 127.0.0.1:12345/objects/test`

objects/handler.go

@@ -0,0 +1,15 @@
+package objects
+
+import "net/http"
+
+func Handler(w http.ResponseWriter, r *http.Request) {
+	m := r.Method
+
+	if m == http.MethodPut {
+		put(w, r)
+	} else if m == http.MethodGet {
+		get(w, r)
+	} else {
+		w.WriteHeader(http.StatusMethodNotAllowed)
+	}
+}

objects/restful_apis.go

@@ -0,0 +1,37 @@
+package objects
+
+import (
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+)
+
+const (
+	STORAGE_ROOT = "STORAGE_ROOT"
+)
+
+func put(w http.ResponseWriter, r *http.Request) {
+	f, err := os.Create(os.Getenv(STORAGE_ROOT) + "/objects/" +
+		strings.Split(r.URL.EscapedPath(), "/")[2])
+	if err != nil {
+		log.Println(err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	defer f.Close()
+	io.Copy(f, r.Body)
+}
+
+func get(w http.ResponseWriter, r *http.Request) {
+	f, err := os.Open(os.Getenv(STORAGE_ROOT) + "/objects/" +
+		strings.Split(r.URL.EscapedPath(), "/")[2])
+	if err != nil {
+		log.Println(err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	defer f.Close()
+	io.Copy(w, f)
+}

server.env

@@ -0,0 +1,2 @@
+LISTEN_ADDRESS=:12345
+STORAGE_ROOT=/tmp/storage

server.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"github.com/pojiang20/distribute-object-storage/objects"
+	"log"
+	"net/http"
+	"os"
+)
+
+const (
+	listenAddress  = "LISTEN_ADDRESS"
+	ObjectsPattern = "/objects/"
+)
+
+func main() {
+	http.HandleFunc(ObjectsPattern, objects.Handler)
+	log.Print(http.ListenAndServe(os.Getenv(listenAddress), nil))
+}