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authortv <tv@iiso>2011-09-14 21:47:41 +0200
committertv <tv@iiso>2011-09-14 21:47:41 +0200
commit1e9f32bf57ab45ff1d3a61294e323b9c0cd3309b (patch)
tree5d0f34b9529d7ddad71d1f486aa048a172e72675 /hyper/process/src
parent6cb808fa910cb32a9ec786616be7b821a500e8d8 (diff)
//hyper/process: Emergency Commit #2
Diffstat (limited to 'hyper/process/src')
-rw-r--r--hyper/process/src/hyper/process/Makefile11
-rw-r--r--hyper/process/src/hyper/process/process.go125
2 files changed, 136 insertions, 0 deletions
diff --git a/hyper/process/src/hyper/process/Makefile b/hyper/process/src/hyper/process/Makefile
new file mode 100644
index 00000000..7ecda716
--- /dev/null
+++ b/hyper/process/src/hyper/process/Makefile
@@ -0,0 +1,11 @@
+include ${GOROOT}/src/Make.inc
+
+TARG=hyper/process
+
+GOFILES=\
+ process.go\
+
+#DEPS=\
+# gorilla.googlecode.com/hg/gorilla/context\
+
+include ${GOROOT}/src/Make.pkg
diff --git a/hyper/process/src/hyper/process/process.go b/hyper/process/src/hyper/process/process.go
new file mode 100644
index 00000000..a52197f0
--- /dev/null
+++ b/hyper/process/src/hyper/process/process.go
@@ -0,0 +1,125 @@
+package hyper
+
+import "fmt"
+import "http"
+import "bytes"
+import "json"
+import "os"
+
+type Process struct {
+ Path string `json:"path"`
+ Argv []string `json:"argv"`
+ Envp map[string]string `json:"envp"`
+ //Stdin string `json:"stdin"`
+ Stdout string `json:"stdout"`
+ Stderr string `json:"stderr"`
+ process *os.Process
+ process_stdin *os.File
+ process_stdout *os.File
+ process_stderr *os.File
+ id string
+}
+
+func (p *Process) Id() string {
+ return p.id
+}
+
+func NewProcess(req *http.Request) (*Process, os.Error) {
+ body := make([]byte, 4096)
+ _, err := req.Body.Read(body)
+ if err != nil {
+ return nil, err
+ }
+
+ body = bytes.TrimRight(body, string([]byte{0}))
+
+ var p Process
+
+ if err := json.Unmarshal(body, &p); err != nil {
+ return nil, err
+ }
+
+ p.id = gensym()
+
+ if err := p.Start(); err != nil {
+ return nil, err
+ }
+
+ return &p, nil
+}
+
+func (hp *Process) Write(b []byte) {
+ n, err := hp.process_stdin.Write(b)
+ if err != nil {
+ fmt.Printf("Write: %s\n", err)
+ } else {
+ fmt.Printf("Wrote: %d bytes\n", n)
+ }
+}
+
+func (hp *Process) Start() os.Error {
+ var name = hp.Path //os.Args[1] //"/usr/b"
+ var argv = hp.Argv //os.Args[1:] //[]string{ "bc" }
+ //var chroot = false
+ //var dir = "/var/empty"
+ var files [3][2]*os.File
+ var err os.Error
+
+ for i, _ := range files {
+ files[i][0], files[i][1], err = os.Pipe()
+ if err != nil {
+ return err
+ }
+ }
+
+ var env []string
+ for k, v := range hp.Envp {
+ env = append(env, fmt.Sprintf("%s=%s", k, v))
+ }
+
+ var attr = &os.ProcAttr{
+ //Dir: dir,
+ Env: env, //os.Environ(),
+ Files: []*os.File{ files[0][0], files[1][1], files[2][1]},
+ }
+
+ //var foo, _ = json.Marshal(attr)
+ //fmt.Printf("%s\n", foo)
+
+ hp.process, err = os.StartProcess(name, argv, attr)
+ if err != nil {
+ return err
+ }
+
+ hp.process_stdin = files[0][1]
+ hp.process_stdout = files[1][0]
+ hp.process_stderr = files[2][0]
+
+ for _, file := range attr.Files {
+ file.Close()
+ }
+
+ go reader(hp.process_stdout)
+ go reader(hp.process_stderr)
+ return nil
+}
+
+func reader(file *os.File) {
+ var b []byte = make([]byte, 1024)
+ var err os.Error = nil
+ for err == nil {
+ var n int
+ n, err = file.Read(b)
+ fmt.Printf("data: %d, %s\n", n, b)
+ }
+}
+
+func gensym() string {
+ f, _ := os.Open("/dev/urandom")
+ b := make([]byte, 16)
+ f.Read(b)
+ f.Close()
+ uuid := fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
+ return uuid
+}
+