[CRIU] [PATCH] app-emu: Add job test
Andrey Wagin
avagin at gmail.com
Tue Oct 23 13:13:19 EDT 2012
We can create another zdtm test. App tests should be executed manually, so
it's not good in this case.
On Oct 23, 2012 7:40 PM, "Pavel Emelyanov" <xemul at parallels.com> wrote:
> On 10/23/2012 11:35 AM, Andrey Vagin wrote:
> > What do you think about test/zdtm/live/static/jobctl00.c
> >
> > Why cannot it be a part of zdtm?
>
> We need test for --shell-job option. The zdtm test you point out
> tests different thing.
>
> > On Mon, Oct 22, 2012 at 08:18:34PM +0400, Cyrill Gorcunov wrote:
> >>
> >> For tty migration testing.
> >>
> >> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> >> ---
> >> test/app-emu/job/Makefile | 10 +++++
> >> test/app-emu/job/job.c | 90
> +++++++++++++++++++++++++++++++++++++++++++++
> >> test/app-emu/job/job.exp | 51 +++++++++++++++++++++++++
> >> test/app-emu/job/run.sh | 3 +
> >> 4 files changed, 154 insertions(+), 0 deletions(-)
> >> create mode 100644 test/app-emu/job/Makefile
> >> create mode 100644 test/app-emu/job/job.c
> >> create mode 100755 test/app-emu/job/job.exp
> >> create mode 100644 test/app-emu/job/run.sh
> >>
> >
> >> diff --git a/test/app-emu/job/Makefile b/test/app-emu/job/Makefile
> >> new file mode 100644
> >> index 0000000..e8d572b
> >> --- /dev/null
> >> +++ b/test/app-emu/job/Makefile
> >> @@ -0,0 +1,10 @@
> >> +all: job
> >> +
> >> +%.o: %.c
> >> + gcc -c $< -o $@
> >> +
> >> +job: job.o
> >> + gcc -o $@ job.o
> >> +
> >> +clean:
> >> + rm -f *.o job
> >> diff --git a/test/app-emu/job/job.c b/test/app-emu/job/job.c
> >> new file mode 100644
> >> index 0000000..e01480a
> >> --- /dev/null
> >> +++ b/test/app-emu/job/job.c
> >> @@ -0,0 +1,90 @@
> >> +#include <stdlib.h>
> >> +#include <stdio.h>
> >> +#include <unistd.h>
> >> +
> >> +#include <sys/types.h>
> >> +#include <sys/stat.h>
> >> +#include <sys/ioctl.h>
> >> +
> >> +#include <fcntl.h>
> >> +#include <string.h>
> >> +#include <termios.h>
> >> +
> >> +#include <signal.h>
> >> +
> >> +#include <dirent.h>
> >> +
> >> +int main(int argc, char *argv[])
> >> +{
> >> + int pid, gid, sid;
> >> + int tty_sid, tty_gid;
> >> + int fd = fileno(stdout);
> >> + char buf[32];
> >> + int c = 0;
> >> + struct dirent *de;
> >> + DIR *fd_dir;
> >> +
> >> + if (!isatty(fd)) {
> >> + printf("stdout is not tty\n");
> >> + return -1;
> >> + }
> >> +
> >> + pid = getpid();
> >> + gid = getgid();
> >> + sid = getsid(pid);
> >> +
> >> + printf("pid %d gid %d sid %d\n",
> >> + pid, gid, sid);
> >> +
> >> + snprintf(buf, sizeof(buf), "/proc/%d/fd", pid);
> >> + fd_dir = opendir(buf);
> >> + if (!fd_dir) {
> >> + printf("cant open %s\n", buf);
> >> + return -1;
> >> + }
> >> +
> >> + while ((de = readdir(fd_dir))) {
> >> + int _fd;
> >> + if (!strcmp(de->d_name, "."))
> >> + continue;
> >> + if (!strcmp(de->d_name, ".."))
> >> + continue;
> >> +
> >> + _fd = atoi(de->d_name);
> >> + if (_fd > 2 && _fd != fd && isatty(_fd)) {
> >> + close(_fd);
> >> + printf("Closed %d\n", _fd);
> >> + }
> >> + }
> >> + closedir(fd_dir);
> >> +
> >> + if (ioctl(fd, TIOCGSID, &tty_sid) < 0) {
> >> + printf("cant obtain sid on stdout\n");
> >> + return -1;
> >> + }
> >> + printf("stdout sid = %d\n", tty_sid);
> >> +
> >> + if (ioctl(fd, TIOCGPGRP, &tty_gid) < 0) {
> >> + printf("cant obtain gid on stdout\n");
> >> + return -1;
> >> + }
> >> + printf("stdout gid = %d\n", tty_gid);
> >> +
> >> + printf("READY\n");
> >> +
> >> + c = 0;
> >> + while (1) {
> >> + sleep(1);
> >> + if (c++ > 10) {
> >> + printf("Too long for restore\n");
> >> + exit(-1);
> >> + }
> >> +
> >> + if (getsid(pid) != sid) {
> >> + printf("ALIVE\n");
> >> + break;
> >> + }
> >> + }
> >> +
> >> + return 0;
> >> +}
> >> diff --git a/test/app-emu/job/job.exp b/test/app-emu/job/job.exp
> >> new file mode 100755
> >> index 0000000..cf743e8
> >> --- /dev/null
> >> +++ b/test/app-emu/job/job.exp
> >> @@ -0,0 +1,51 @@
> >> +#!/usr/bin/expect
> >> +
> >> +exec rm -rf ./dump
> >> +exec mkdir ./dump
> >> +
> >> +system echo "-1" > ./dump/pid.pid
> >> +
> >> +set current [fork]
> >> +switch $current {
> >> + -1 {
> >> + puts "Fork failed."
> >> + exit -1
> >> + }
> >> + 0 {
> >> + set timeout 5
> >> + spawn ./job
> >> + set pid [exp_pid]
> >> + expect "READY" {
> >> + puts "READY"
> >> + } timeout {
> >> + puts "FAIL: Timed out on ready"
> >> + exit -1
> >> + }
> >> + system ../../../crtools dump -v 4 -D ./dump -o dump.log -j
> -t $pid
> >> + system echo "$pid" > ./dump/pid.pid
> >> + exit 0
> >> + }
> >> + default {
> >> + sleep 2
> >> + set timeout 5
> >> +
> >> + set ::pidfile [open ./dump/pid.pid r]
> >> + set pid [gets $::pidfile]
> >> +
> >> + if {$pid == -1} {
> >> + puts "FAIL: Invalid pid read"
> >> + exit -1
> >> + }
> >> +
> >> + spawn ../../../crtools restore -v 4 -D ./dump -o
> restore.log -j -t $pid
> >> +
> >> + expect "ALIVE" {
> >> + puts "PASS"
> >> + } timeout {
> >> + puts "FAIL: Timed out"
> >> + exit -1
> >> + }
> >> +
> >> + exit 0
> >> + }
> >> +}
> >> diff --git a/test/app-emu/job/run.sh b/test/app-emu/job/run.sh
> >> new file mode 100644
> >> index 0000000..1d1e0ea
> >> --- /dev/null
> >> +++ b/test/app-emu/job/run.sh
> >> @@ -0,0 +1,3 @@
> >> +#!/bin/sh
> >> +
> >> +exec expect ./job.exp
> >
> >> _______________________________________________
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> >> CRIU at openvz.org
> >> https://openvz.org/mailman/listinfo/criu
> >
> > .
> >
>
>
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