[CRIU] [PATCH] app-emu: Add job test

[Andrew Vagin]

What do you think about test/zdtm/live/static/jobctl00.c

Why cannot it be a part of zdtm?

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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