Fix some rot in examples/randobj.

Also add a buildable file, like examples/demo has.

Author: aboodman

examples/api/randobj/randobj.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"io"
+	"net/http"
+
+	u "github.com/ipfs/go-ipfs-util"
+	"github.com/ipfs/go-ipfs/core"
+	"github.com/ipfs/go-ipfs/core/coreunix"
+	"github.com/ipfs/go-ipfs/repo/fsrepo"
+	"golang.org/x/net/context"
+)
+
+var gnode *core.IpfsNode
+
+func ServeIpfsRand(w http.ResponseWriter, r *http.Request) {
+	read := io.LimitReader(u.NewTimeSeededRand(), 2048)
+
+	str, err := coreunix.Add(gnode, read)
+	if err != nil {
+		w.WriteHeader(504)
+		w.Write([]byte(err.Error()))
+	} else {
+		w.Write([]byte(str))
+	}
+}
+
+func main() {
+	r, err := fsrepo.Open("~/.ipfs")
+	if err != nil {
+		panic(err)
+	}
+
+	// Make our 'master' context and defer cancelling it
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	cfg := &core.BuildCfg{
+		Repo:   r,
+		Online: true,
+	}
+
+	node, err := core.NewNode(ctx, cfg)
+	if err != nil {
+		panic(err)
+	}
+
+	// Set the global node for access in the handler
+	gnode = node
+
+	http.HandleFunc("/ipfsobject", ServeIpfsRand)
+	http.ListenAndServe(":8080", nil)
+}

examples/api/randobj/readme.md

@@ -11,14 +11,12 @@ package main
 import (
 	"io"
 	"net/http"
-	"os"
 
+	u "github.com/ipfs/go-ipfs-util"
 	"github.com/ipfs/go-ipfs/core"
 	"github.com/ipfs/go-ipfs/core/coreunix"
 	"github.com/ipfs/go-ipfs/repo/fsrepo"
-	u "github.com/ipfs/go-ipfs/util"
-
-	"code.google.com/p/go.net/context"
+	"golang.org/x/net/context"
 )
 ```