SysdigTestCases

# sysDig Test Cases

# Test Case 1
# A grabs a lock
# B opens same file, tries to grab a lock
# Contention
# 0 = succesfull, 1 or more = number of contentions
test1_result=1
test1(){
	exec 3>foo.bar
	flock -x 3
	exec 4>foo.bar
	flock -x 4
}

# Test Case 2
# A grabs a lock
# forcks A1
# A1 unlocks the lock
# B opens file, grabs lock
# succeeds
# 0 = succesfull, 1 or more = number of contentions
test2_result=0
test2(){
	exec 3>foo.bar
	exec 4>foo.bar
	flock -x 3
	(
		flock -u 3
	)
	flock -x 4
	
}

# Test Case 3
# A opens a file on FD 3
# A uses fudp() to make FD4 a copy
# A grabs an exculsive lock on FD 3
# A grabs an exclusive lock on FD 4
# Succeeds
# 0 = succesfull, 1 or more = number of contentions
test3_result=0
test3(){
	exec 3>foo.bar
	exec 4>&3
	flock -x 3
	flock -x 4
}

# Test Case 4
# A opens a file on FD 3
# A opens a file on FD 4
# A grabs an exculsive lock on FD 3
# A grabs an exclusive lock on FD 4
# Fails
# 0 = succesfull, 1 or more = number of contentions
test4_result=1
test4(){
	exec 3>foo.bar
	exec 4>foo.bar
	flock -x 3
	flock -x 4
}

run() {
	local tempDir sysdig_pid
	tempDir=$(mktemp -d -t sysdig.XXXXXX)
	sysdig -j "proc.apid=$BASH_PID" >"$tempDir/out.json" & sysdig_pid=$!
	sleep 0.5
	("$@")
	kill "$sysdig_pid"
	wait
	java -jar ../LockCheck.jar "$tempDir/out.json"

}

run test1