func git_from_net(url string) string {
var args [3]string
args[0] = "git"
args[1] = "clone"
args[2] = url
var fds []*os.File = new([3]*os.File)
fds[0] = os.Stdin
fds[1] = os.Stdout
fds[2] = os.Stderr
_, str := path.Split(url)
name := strings.Split(str, ".", -1)[0]
var git_path string
switch os.Getenv("GOOS") {
case "darwin":
git_path = "/usr/local/git/bin/git"
break
case "linux":
git_path = "/opt/local/bin/git"
break
}
/* Replace this with git's full path, or use a shell, and then call git in the args */
pid, err := os.ForkExec(git_path, &args, os.Envs, os.Getenv("GOROOT")+"/src/pkg/", fds)
if err != nil {
log.Exit(err)
}
os.Wait(pid, 0)
return string(os.Getenv("GOROOT") + "/src/pkg/" + name)
}
// Return the output from running the given command
func GetOutput(args []string) (output string, error os.Error) {
read_pipe, write_pipe, err := os.Pipe()
if err != nil {
goto Error
}
defer read_pipe.Close()
pid, err := os.ForkExec(args[0], args, os.Environ(), ".", []*os.File{nil, write_pipe, nil})
if err != nil {
write_pipe.Close()
goto Error
}
_, err = os.Wait(pid, 0)
write_pipe.Close()
if err != nil {
goto Error
}
buffer := &bytes.Buffer{}
_, err = io.Copy(buffer, read_pipe)
if err != nil {
goto Error
}
output = buffer.String()
return output, nil
Error:
return "", &CommandError{args[0], args}
}
// exec a program, redirecting output
func DateServer(c *http.Conn, req *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
r, w, err := os.Pipe()
if err != nil {
fmt.Fprintf(c, "pipe: %s\n", err)
return
}
pid, err := os.ForkExec("/bin/date", []string{"date"}, os.Environ(), "", []*os.File{nil, w, w})
defer r.Close()
w.Close()
if err != nil {
fmt.Fprintf(c, "fork/exec: %s\n", err)
return
}
io.Copy(c, r)
wait, err := os.Wait(pid, 0)
if err != nil {
fmt.Fprintf(c, "wait: %s\n", err)
return
}
if !wait.Exited() || wait.ExitStatus() != 0 {
fmt.Fprintf(c, "date: %v\n", wait)
return
}
}
// wait waits for a wait event from this thread and sends it on the
// debug events channel for this thread's process. This should be
// started in its own goroutine when the attached thread enters a
// running state. The goroutine will exit as soon as it sends a debug
// event.
func (t *thread) wait() {
for {
var ev debugEvent
ev.t = t
t.logTrace("beginning wait")
ev.Waitmsg, ev.err = os.Wait(t.tid, syscall.WALL)
if ev.err == nil && ev.Pid != t.tid {
panic(fmt.Sprint("Wait returned pid ", ev.Pid, " wanted ", t.tid))
}
if ev.StopSignal() == syscall.SIGSTOP && t.ignoreNextSigstop {
// Spurious SIGSTOP. See Thread.Stop().
t.ignoreNextSigstop = false
err := t.ptraceCont()
if err == nil {
continue
}
// If we failed to continue, just let
// the stop go through so we can
// update the thread's state.
}
if !<-t.proc.ready {
// The monitor exited
break
}
t.proc.debugEvents <- &ev
break
}
}
func Serve(conn net.Conn) {
defer conn.Close()
tty, pid, err := term.ForkPty(
"/bin/login",
[]string{"/bin/login"},
term.DefaultAttributes(),
term.NewWindowSize(80, 25))
if err != nil {
fmt.Fprintf(os.Stderr, "ForkExecPty failed: %v\n", err)
return
}
defer os.Wait(pid, 0)
defer syscall.Kill(pid, 9)
running := true
go func() {
buffer := make([]byte, 64)
for n, e := conn.Read(buffer); e == nil && running; n, e = conn.Read(buffer) {
tty.Write(buffer[:n])
}
running = false
}()
go func() {
buffer := make([]byte, 64)
var n int
var e os.Error
for n, e = tty.Read(buffer); e == nil && running; n, e = tty.Read(buffer) {
conn.Write(buffer[:n])
}
running = false
}()
tick := time.NewTicker(1e9)
for running {
select {
case <-tick.C:
msg, err := os.Wait(pid, os.WNOHANG)
if err == nil && msg.Pid == pid {
running = false
}
}
}
}
func (mon *monitor) wait(pid int, e exiteder) {
w, err := os.Wait(pid, 0)
if err != nil {
mon.logger.Println(err)
return
}
mon.exitCh <- exit{e, w}
}
func runSystemCommand(argv []string, dir string) string {
lookedPath, _ := exec.LookPath(argv[0])
r, w, _ := os.Pipe()
pid, _ := os.ForkExec(lookedPath, argv, nil, dir, []*os.File{nil, w, w})
w.Close()
os.Wait(pid, 0)
var b bytes.Buffer
io.Copy(&b, r)
return b.String()
}
// Wait waits for the running command p,
// returning the Waitmsg returned by os.Wait and an error.
// The options are passed through to os.Wait.
// Setting options to 0 waits for p to exit;
// other options cause Wait to return for other
// process events; see package os for details.
func (p *Cmd) Wait(options int) (*os.Waitmsg, os.Error) {
if p.Pid <= 0 {
return nil, os.ErrorString("exec: invalid use of Cmd.Wait")
}
w, err := os.Wait(p.Pid, options)
if w != nil && (w.Exited() || w.Signaled()) {
p.Pid = -1
}
return w, err
}
func stage_check(cpid int, err os.Error, stage string) {
if err == nil {
lolf, _ := os.Wait(cpid, 0)
if lolf.ExitStatus() != 0 {
fmt.Printf("Failed to %s.\n", stage)
os.Exit(lolf.ExitStatus())
}
} else {
fmt.Println(err)
os.Exit(1)
}
}
func TestTrue(t *testing.T) {
if !hasProc() {
return
}
cx := Context{}
pid, err := cx.ForkExec("/bin/true", nil)
assert.Equal(t, nil, err)
assert.T(t, pid > 0)
w, err := os.Wait(pid, 0)
assert.Equal(t, true, w.Exited())
assert.Equal(t, 0, w.ExitStatus())
}
func UnmountFuse(mountpoint string) (err os.Error) {
var pid int
fmt.Println("Unmounting", mountpoint, "...")
for i := 0; i < len(paths); i++ {
var args []string = []string{paths[i], "-u", mountpoint}
pid, err = os.ForkExec(paths[i], args, []string{}, "",
[]*os.File{os.Stdin, os.Stdout, os.Stderr})
if err == nil {
os.Wait(pid, 0)
return err
}
}
return err
}
func privilegedUnmount(mountPoint string) error {
dir, _ := filepath.Split(mountPoint)
proc, err := os.StartProcess(umountBinary,
[]string{umountBinary, mountPoint},
&os.ProcAttr{Dir: dir, Files: []*os.File{nil, nil, os.Stderr}})
if err != nil {
return err
}
w, err := os.Wait(proc.Pid, 0)
if w.ExitStatus() != 0 {
return fmt.Errorf("umount exited with code %d\n", w.ExitStatus())
}
return err
}
func main() {
checkArgs()
output, absError := abspath(*outputDir)
if absError != nil {
showErrorAndQuit(absError.String(), -1)
}
programPath, programError := getProgramPath()
if programError != nil {
showErrorAndQuit(programError.String(), -1)
}
erlPath, pathError := exec.LookPath("erl")
if pathError != nil {
showErrorAndQuit("Can't find erl program", -1)
}
head := []string{erlPath, "-run", "efene", "main", *outputType, output}
tail := []string{"-run", "init", "stop", "-noshell"}
start := len(head) + flag.NArg()
args := make([]string, len(head)+len(tail)+flag.NArg())
for i := 0; i < len(head); i++ {
args[i] = head[i]
}
for i := len(head); i < len(head)+flag.NArg(); i++ {
args[i], _ = abspath(flag.Arg(i - len(head)))
}
for i := start; i < start+len(tail); i++ {
args[i] = tail[i-start]
}
if *verbose {
fmt.Println("cd " + programPath)
fmt.Print(erlPath + " ")
printArray(args, true)
}
pid, error := os.ForkExec(erlPath, args, os.Environ(), programPath, []*os.File{os.Stdin, os.Stdout, os.Stderr})
if error != nil {
showErrorAndQuit(error.String(), -1)
}
os.Wait(pid, 0)
}
// run runs the command argv, feeding in stdin on standard input.
// It returns the output to standard output and standard error.
// ok indicates whether the command exited successfully.
func run(stdin []byte, argv []string) (stdout, stderr []byte, ok bool) {
cmd, err := exec.LookPath(argv[0]);
if err != nil {
fatal("exec %s: %s", argv[0], err);
}
r0, w0, err := os.Pipe();
if err != nil {
fatal("%s", err);
}
r1, w1, err := os.Pipe();
if err != nil {
fatal("%s", err);
}
r2, w2, err := os.Pipe();
if err != nil {
fatal("%s", err);
}
pid, err := os.ForkExec(cmd, argv, os.Environ(), "", []*os.File{r0, w1, w2});
if err != nil {
fatal("%s", err);
}
r0.Close();
w1.Close();
w2.Close();
c := make(chan bool);
go func() {
w0.Write(stdin);
w0.Close();
c <- true;
}();
var xstdout []byte; // TODO(rsc): delete after 6g can take address of out parameter
go func() {
xstdout, _ = io.ReadAll(r1);
r1.Close();
c <- true;
}();
stderr, _ = io.ReadAll(r2);
r2.Close();
<-c;
<-c;
stdout = xstdout;
w, err := os.Wait(pid, 0);
if err != nil {
fatal("%s", err);
}
ok = w.Exited() && w.ExitStatus() == 0;
return;
}
// run runs the command argv, feeding in stdin on standard input.
// It returns the output to standard output and standard error.
// ok indicates whether the command exited successfully.
func run(stdin []byte, argv []string) (stdout, stderr []byte, ok bool) {
cmd, err := exec.LookPath(argv[0])
if err != nil {
fatal("exec %s: %s", argv[0], err)
}
r0, w0, err := os.Pipe()
if err != nil {
fatal("%s", err)
}
r1, w1, err := os.Pipe()
if err != nil {
fatal("%s", err)
}
r2, w2, err := os.Pipe()
if err != nil {
fatal("%s", err)
}
pid, err := os.ForkExec(cmd, argv, os.Environ(), "", []*os.File{r0, w1, w2})
if err != nil {
fatal("%s", err)
}
r0.Close()
w1.Close()
w2.Close()
c := make(chan bool)
go func() {
w0.Write(stdin)
w0.Close()
c <- true
}()
var xstdout []byte // TODO(rsc): delete after 6g can take address of out parameter
go func() {
xstdout, _ = ioutil.ReadAll(r1)
r1.Close()
c <- true
}()
stderr, _ = ioutil.ReadAll(r2)
r2.Close()
<-c
<-c
stdout = xstdout
w, err := os.Wait(pid, 0)
if err != nil {
fatal("%s", err)
}
ok = w.Exited() && w.ExitStatus() == 0
return
}
func exec(args []string, dir string) {
p, error := os.ForkExec(args[0], args, os.Environ(), dir, []*os.File{os.Stdin, os.Stdout, os.Stderr})
if error != nil {
fmt.Fprintf(os.Stderr, "Can't %s\n", error)
os.Exit(1)
}
m, error := os.Wait(p, 0)
if error != nil {
fmt.Fprintf(os.Stderr, "Can't %s\n", error)
os.Exit(1)
}
if m.WaitStatus != 0 {
os.Exit(int(m.WaitStatus))
}
}
// Create a FUSE FS on the specified mount point. The returned
// mount point is always absolute.
func mount(mountPoint string, options string) (f *os.File, finalMountPoint string, err error) {
local, remote, err := unixgramSocketpair()
if err != nil {
return
}
defer local.Close()
defer remote.Close()
mountPoint = filepath.Clean(mountPoint)
if !filepath.IsAbs(mountPoint) {
cwd := ""
cwd, err = os.Getwd()
if err != nil {
return
}
mountPoint = filepath.Clean(filepath.Join(cwd, mountPoint))
}
cmd := []string{fusermountBinary, mountPoint}
if options != "" {
log.Printf("o %q", options)
cmd = append(cmd, "-o")
cmd = append(cmd, options)
}
proc, err := os.StartProcess(fusermountBinary,
cmd,
&os.ProcAttr{
Env: []string{"_FUSE_COMMFD=3"},
Files: []*os.File{os.Stdin, os.Stdout, os.Stderr, remote}})
if err != nil {
return
}
w, err := os.Wait(proc.Pid, 0)
if err != nil {
return
}
if w.ExitStatus() != 0 {
err = fmt.Errorf("fusermount exited with code %d\n", w.ExitStatus())
return
}
f, err = getConnection(local)
finalMountPoint = mountPoint
return
}
func unmount(mountPoint string) (err os.Error) {
dir, _ := filepath.Split(mountPoint)
proc, err := os.StartProcess("/bin/fusermount",
[]string{"/bin/fusermount", "-u", mountPoint},
&os.ProcAttr{Dir: dir, Files: []*os.File{nil, nil, os.Stderr}})
if err != nil {
return
}
w, err := os.Wait(proc.Pid, 0)
if err != nil {
return
}
if w.ExitStatus() != 0 {
return os.NewError(fmt.Sprintf("fusermount -u exited with code %d\n", w.ExitStatus()))
}
return
}
func exec(c *http.Conn, args []string) (status int) {
r, w, err := os.Pipe();
if err != nil {
log.Stderrf("os.Pipe(): %v\n", err);
return 2;
}
bin := args[0];
fds := []*os.File{nil, w, w};
if *verbose {
log.Stderrf("executing %v", args);
}
pid, err := os.ForkExec(bin, args, os.Environ(), goroot, fds);
defer r.Close();
w.Close();
if err != nil {
log.Stderrf("os.ForkExec(%q): %v\n", bin, err);
return 2;
}
var buf bytes.Buffer;
io.Copy(&buf, r);
wait, err := os.Wait(pid, 0);
if err != nil {
os.Stderr.Write(buf.Bytes());
log.Stderrf("os.Wait(%d, 0): %v\n", pid, err);
return 2;
}
status = wait.ExitStatus();
if !wait.Exited() || status > 1 {
os.Stderr.Write(buf.Bytes());
log.Stderrf("executing %v failed (exit status = %d)", args, status);
return;
}
if *verbose {
os.Stderr.Write(buf.Bytes());
}
if c != nil {
c.SetHeader("content-type", "text/plain; charset=utf-8");
c.Write(buf.Bytes());
}
return;
}
func (m *Module) IsRunning() bool {
//dlog.Printf("%#v %#v %#v\n", m, m.MainProcess, m.SyncProcess)
waitmsg, err := os.Wait(m.MainProcess.Pid, os.WNOHANG|os.WUNTRACED)
if err != nil {
// TODO: When would this happen?
dlog.Println("Unable to get process wait status:", err)
}
//dlog.Printf("%#v\n", waitmsg)
// If status is not available, the pid is 0.
if waitmsg.Pid == 0 {
return true
}
if waitmsg.WaitStatus.Exited() {
modules[m.Name] = nil, false
return false
}
return true
}
func build_pkg(dir string) {
var args [3]string
args[0] = "make"
args[1] = dir + "/Makefile"
args[2] = dir
var fds []*os.File = new([3]*os.File)
fds[0] = os.Stdin
fds[1] = os.Stdout
fds[2] = os.Stderr
/* Replace this with git's full path, or use a shell, and then call git in the args */
pid, err := os.ForkExec("/usr/bin/make", &args, os.Envs, dir, fds)
if err != nil {
log.Exit(err)
}
os.Wait(pid, 0)
}
func main() {
pr, pw, _ := os.Pipe()
defer pr.Close()
r := bufio.NewReader(pr)
w := bufio.NewWriter(os.Stdout)
defer w.Flush()
pid, _ := os.StartProcess("/bin/ps", []string{"ps", "-e", "-opid,ppid,comm"}, nil, "", []*os.File{nil, pw, nil})
defer os.Wait(pid, os.WNOHANG)
pw.Close()
child := make(map[int]*vector.IntVector)
s, ok := r.ReadString('\n') // Discard the header line
s, ok = r.ReadString('\n')
for ok == nil {
f := strings.Fields(s)
if _, present := child[atoi(f[PPID])]; !present {
v := new(vector.IntVector)
child[atoi(f[PPID])] = v
}
// Save the child PIDs on a vector
child[atoi(f[PPID])].Push(atoi(f[PID]))
s, ok = r.ReadString('\n')
}
// Sort the PPIDs
schild := make([]int, len(child))
i := 0
for k, _ := range child {
schild[i] = k
i++
}
sort.SortInts(schild)
// Walk throught the sorted list
for _, ppid := range schild {
fmt.Printf("Pid %d has %d child", ppid, child[ppid].Len())
if child[ppid].Len() == 1 {
fmt.Printf(": %v\n", []int(*child[ppid]))
} else {
fmt.Printf("ren: %v\n", []int(*child[ppid]))
}
}
}
func unmount(mountPoint string) (err error) {
if os.Geteuid() == 0 {
return privilegedUnmount(mountPoint)
}
dir, _ := filepath.Split(mountPoint)
proc, err := os.StartProcess(fusermountBinary,
[]string{fusermountBinary, "-u", mountPoint},
&os.ProcAttr{Dir: dir, Files: []*os.File{nil, nil, os.Stderr}})
if err != nil {
return
}
w, err := os.Wait(proc.Pid, 0)
if err != nil {
return
}
if w.ExitStatus() != 0 {
return fmt.Errorf("fusermount -u exited with code %d\n", w.ExitStatus())
}
return
}
// Mount create a fuse fs on the specified mount point. The returned
// mount point is always absolute.
func mount(mountPoint string) (f *os.File, finalMountPoint string, err os.Error) {
local, remote, err := Socketpair("unixgram")
if err != nil {
return
}
defer local.Close()
defer remote.Close()
mountPoint = filepath.Clean(mountPoint)
if !filepath.IsAbs(mountPoint) {
cwd, err := os.Getwd()
if err != nil {
return
}
mountPoint = filepath.Clean(filepath.Join(cwd, mountPoint))
}
proc, err := os.StartProcess("/bin/fusermount",
[]string{"/bin/fusermount", mountPoint},
&os.ProcAttr{
Env: []string{"_FUSE_COMMFD=3"},
Files: []*os.File{os.Stdin, os.Stdout, os.Stderr, remote}})
if err != nil {
return
}
w, err := os.Wait(proc.Pid, 0)
if err != nil {
return
}
if w.ExitStatus() != 0 {
err = os.NewError(fmt.Sprintf("fusermount exited with code %d\n", w.ExitStatus()))
return
}
f, err = getFuseConn(local)
finalMountPoint = mountPoint
return
}
func TestLF(t *testing.T) {
if !hasProc() {
return
}
cx := Context{}
pr, pw, err := os.Pipe()
lf := []*os.File{pw}
pid, err := cx.ForkExec("./test-lf.sh", lf)
assert.Equal(t, nil, err)
assert.T(t, pid > 0)
pw.Close()
line, err := ioutil.ReadAll(pr)
assert.Equal(t, nil, err)
assert.Equal(t, []byte{'a'}, line)
w, err := os.Wait(pid, 0)
assert.Equal(t, true, w.Exited())
assert.Equal(t, 0, w.ExitStatus())
}
func get_output(args []string, input []byte) (std []byte, error []byte, e os.Error) {
inpr, inpw, err := os.Pipe()
if err != nil {
return nil, nil, err
}
stdr, stdw, err := os.Pipe()
if err != nil {
return nil, nil, err
}
errr, errw, err := os.Pipe()
if err != nil {
return nil, nil, err
}
pid, err := os.ForkExec(args[0], args, os.Environ(), "", []*os.File{inpr, stdw, errw})
if err != nil {
return nil, nil, err
}
inpw.Write(input)
inpw.Close()
stdw.Close()
errw.Close()
var b bytes.Buffer
io.Copy(&b, stdr)
std = b.Bytes()
b.Reset()
io.Copy(&b, errr)
error = b.Bytes()
inpr.Close()
stdr.Close()
errr.Close()
os.Wait(pid, 0)
return
}
// executeCommand runs the specified tool with the supplied arguments (not
// including the path to the tool itself), chdir'ing to the specified directory
// first. It returns true if and only if the child process returns zero.
func executeCommand(tool string, args []string, dir string) bool {
fmt.Printf("%s %s\n", tool, strings.Join(args, " "))
var fullArgs vector.StringVector
fullArgs.Push(tool)
fullArgs.AppendVector(&args)
pid, err := os.ForkExec(
tool,
fullArgs.Data(),
os.Environ(),
dir,
[]*os.File{os.Stdin, os.Stdout, os.Stderr})
if err != nil {
panic(err)
}
waitMsg, err := os.Wait(pid, 0)
if err != nil {
panic(err)
}
return waitMsg.ExitStatus() == 0
}
// newThread creates a new thread object and waits for its initial
// signal. If cloned is true, this thread was cloned from a thread we
// are already attached to.
//
// Must be run from the monitor thread.
func (p *process) newThread(tid int, signal int, cloned bool) (*thread, os.Error) {
t := &thread{tid: tid, proc: p, state: stopped}
// Get the signal from the thread
// TODO(austin) Thread might already be stopped if we're attaching.
w, err := os.Wait(tid, syscall.WALL)
if err != nil {
return nil, err
}
if w.Pid != tid || w.StopSignal() != signal {
return nil, &newThreadError{w, tid, signal}
}
if !cloned {
err = t.ptraceSetOptions(syscall.PTRACE_O_TRACECLONE | syscall.PTRACE_O_TRACEEXIT)
if err != nil {
return nil, err
}
}
p.threads[tid] = t
return t, nil
}
func init_mysql() {
r, w, err := os.Pipe()
if err != nil {
panic("%v", err)
}
fmt.Print("Initializing DB... ")
pid, _ := os.ForkExec("/usr/bin/mysql", []string{"/usr/bin/mysql", "test_db"}, os.Environ(), "/versatile", []*os.File{r, os.Stdout, os.Stderr})
// fmt.Fprintln(w,"show tables;");
fmt.Fprintln(w, "DROP TABLE personne;")
fmt.Fprintln(w, "DROP TABLE cars;")
fmt.Fprintln(w, "CREATE TABLE `personne` ( `id` int(11) NOT NULL auto_increment, `nom` varchar(255) default NULL, age int(3) default NULL, PRIMARY KEY (`id`) );")
fmt.Fprintln(w, "INSERT INTO `personne` VALUES (1,'toto',23);")
fmt.Fprintln(w, "INSERT INTO `personne` VALUES (2,'titi',NULL);")
fmt.Fprintln(w, "CREATE TABLE `cars` ( `id` int(11) NOT NULL auto_increment, `plate` varchar(255) default NULL, `model` varchar(255) default NULL, owner_id int(11) default NULL, PRIMARY KEY (`id`) );")
fmt.Fprintln(w, "INSERT INTO `cars` VALUES (1,'123ABC12','Renault',1);")
fmt.Fprintln(w, "INSERT INTO `cars` VALUES (2,'123CBA12','Traban',1);")
w.Close()
os.Wait(pid, 0)
fmt.Println("Finished!")
conn := gouda.OpenMysql("mysql://root:@localhost:3306/test_db")
gouda.GetConnectionStore().RegisterConnection(&conn)
}
func main() {
flag.Usage = usage
flag.Parse()
if *helpShort || *helpLong || flag.NArg() == 0 {
flag.Usage()
os.Exit(1)
}
fds, err := parser.ParseFiles(flag.Args(), strings.Split(*importPath, ",", -1))
if err != nil {
log.Exitf("Failed parsing: %v", err)
}
resolver.ResolveSymbols(fds)
fmt.Println("-----")
proto.MarshalText(os.Stdout, fds)
fmt.Println("-----")
// Find plugin.
pluginPath := fullPath(*pluginBinary, strings.Split(os.Getenv("PATH"), ":", -1))
if pluginPath == "" {
log.Exitf("Failed finding plugin binary %q", *pluginBinary)
}
// Start plugin subprocess.
pluginIn, meOut, err := os.Pipe()
if err != nil {
log.Exitf("Failed creating pipe: %v", err)
}
meIn, pluginOut, err := os.Pipe()
if err != nil {
log.Exitf("Failed creating pipe: %v", err)
}
pid, err := os.ForkExec(pluginPath, nil, nil, "/", []*os.File{pluginIn, pluginOut, os.Stderr})
if err != nil {
log.Exitf("Failed forking plugin: %v", err)
}
pluginIn.Close()
pluginOut.Close()
// Send request.
cgRequest := &plugin.CodeGeneratorRequest{
FileToGenerate: flag.Args(),
// TODO: proto_file should be topologically sorted (bottom-up)
ProtoFile: fds.File,
}
buf, err := proto.Marshal(cgRequest)
if err != nil {
log.Exitf("Failed marshaling CG request: %v", err)
}
_, err = meOut.Write(buf)
if err != nil {
log.Exitf("Failed writing CG request: %v", err)
}
meOut.Close()
w, err := os.Wait(pid, 0)
if err != nil {
log.Exitf("Failed waiting for plugin: %v", err)
}
if w.ExitStatus() != 0 {
log.Exitf("Plugin exited with status %d", w.ExitStatus())
}
// Read response.
cgResponse := new(plugin.CodeGeneratorResponse)
if buf, err = ioutil.ReadAll(meIn); err != nil {
log.Exitf("Failed reading CG response: %v", err)
}
if err = proto.Unmarshal(buf, cgResponse); err != nil {
log.Exitf("Failed unmarshaling CG response: %v", err)
}
// TODO: check cgResponse.Error
// TODO: write files
for _, f := range cgResponse.File {
fmt.Printf("--[ %v ]--\n", proto.GetString(f.Name))
fmt.Println(proto.GetString(f.Content))
}
fmt.Println("-----")
}