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

[Pavel Emelyanov]

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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> 
> .
>