def extract_tstat_data(pcap_filepath):
""" Given the pcap filepath, return a dictionary of as many elements as there are tcp flows """
connections = {}
conn_id = 0
with co.cd(os.path.basename(pcap_filepath[:-5])):
with co.cd(os.listdir('.')[0]):
# Complete TCP connections
connections, conn_id = extract_tstat_data_tcp_complete(
'log_tcp_complete', connections, conn_id)
# Non complete TCP connections (less info, but still interesting data)
connections, conn_id = extract_tstat_data_tcp_nocomplete(
'log_tcp_nocomplete', connections, conn_id)
return connections
def read_graphs(filename,path=""):
graphs = []
#Read graphs file
with cm.cd(path):
with open(filename,"r") as input_graphs:
str_graphs = input_graphs.read().split("#")[:-1]
#Generate graphs
graphs = [nx.parse_gml(i) for i in str_graphs]
#Generate node and edge label sets
node_labels = set()
edge_labels = set()
for g in graphs:
for label in list(nx.get_node_attributes(g,'type').values()):
node_labels.add(label)
for label in list(nx.get_edge_attributes(g,'type').values()):
edge_labels.add(label)
node_labels = sorted(list(node_labels))
edge_labels = sorted(list(edge_labels))
edge_labels = cm.fill_label_set(edge_labels)
node_labels = cm.fill_label_set(node_labels)
for g in graphs:
g.graph['node_map'] = {k:v for v,k in enumerate(sorted(g.nodes()))}
return graphs,node_labels,edge_labels
def run_inference(project):
common.setup_checker_framework_env()
classpath = os.path.join(os.environ['JSR308'],
'generic-type-inference-solver', 'bin')
if os.environ.get('CLASSPATH'):
os.environ['CLASSPATH'] += ':' + classpath
else:
os.environ['CLASSPATH'] = classpath
project_dir = common.get_project_dir(project)
annotation_dir = os.path.join(project_dir, common.DLJC_OUTPUT_DIR,
'annotations')
if os.path.isdir(annotation_dir):
shutil.rmtree(annotation_dir)
with common.cd(project_dir):
common.clean_project(project)
common.run_dljc(project, ['inference'], [
'--solverArgs=backEndType=maxsatbackend.MaxSat', '--checker',
'ontology.OntologyChecker', '--solver',
'constraintsolver.ConstraintSolver', '-m', 'ROUNDTRIP', '-afud',
annotation_dir
])
def sweep_work(hard_sweep=False):
# Sweep workdir
with cd(ctrldir):
payu_sweep(model_type=None,
config_path=None,
hard_sweep=hard_sweep,
lab_path=str(labdir))
def run_petablox(project):
with common.cd(common.get_project_dir(project)):
petablox_cmd = ['java',
'-cp', common.get_jar('petablox.jar'),
'-Dpetablox.reflect.kind=none',
'-Dpetablox.run.analyses=cipa-0cfa-dlog',
'petablox.project.Boot']
common.run_cmd(petablox_cmd)
def run_petablox(project):
with common.cd(common.get_project_dir(project)):
petablox_cmd = [
'java', '-cp',
common.get_jar('petablox.jar'), '-Dpetablox.reflect.kind=none',
'-Dpetablox.run.analyses=cipa-0cfa-dlog', 'petablox.project.Boot'
]
common.run_cmd(petablox_cmd)
def recompile_checker_framework():
if not os.environ.get('JAVA_HOME'):
print "ERROR in pa2checker.recompile_checker_framework(): Gradle will fail if your JAVA_HOME environment variable is unset. Please set it and try again."
sys.exit(0)
type_infer_tool_dir = os.path.join(common.TOOLS_DIR, "checker-framework-inference")
with common.cd(type_infer_tool_dir):
common.setup_checker_framework_env()
common.run_cmd(["gradle", "dist", "-i"], print_output=True)
def recompile_checker_framework():
if not os.environ.get('JAVA_HOME'):
print "ERROR in pa2checker.recompile_checker_framework(): Gradle will fail if your JAVA_HOME environment variable is unset. Please set it and try again."
sys.exit(0)
type_infer_tool_dir = os.path.join(common.TOOLS_DIR,
"checker-framework-inference")
with common.cd(type_infer_tool_dir):
common.setup_checker_framework_env()
common.run_cmd(["gradle", "dist", "-i"], print_output=True)
def test_init():
# Initialise a payu laboratory
with cd(ctrldir):
payu_init(None, None, str(labdir))
# Check all the correct directories have been created
for subdir in ['bin', 'input', 'archive', 'codebase']:
assert ((labdir / subdir).is_dir())
def insert_anno_to_project(project, jaif_file):
""" Insert annotation info in the ${jaif_file} to ${project}.
"""
project_dir = common.get_project_dir(project)
with common.cd(project_dir):
common.setup_checker_framework_env()
insert_cmd = ['insert-annotations-to-source', '-i', jaif_file]
# using glob2.glob to recursive get java files under project dir
java_files = glob.glob('{}/**/*.java'.format(project_dir))
insert_cmd.extend(java_files)
common.run_cmd(insert_cmd, print_output=True)
def update():
for cmd in ['pip', 'git']:
if not spawn.find_executable(cmd):
print '{0} not found. are you sure it\'s installed?'.format(cmd)
exit(1)
pip_version = subprocess.Popen('pip --version', shell=True, stdout=subprocess.PIPE).stdout.readline().split(' ')[1]
pip_flags = '--process-dependency-links' if pip_version.startswith('1.5') else ''
repo = tempfile.mkdtemp(suffix='lobo')
subprocess.Popen('git clone {0} {1}'.format(WOLF_REPO_URL, repo), shell=True).wait()
with cd(repo):
subprocess.Popen('sudo pip install -U {0} .'.format(pip_flags), shell=True).wait()
print BOLD('update complete')
def payu_setup(model_type=None,
config_path=None,
lab_path=None,
force_archive=None,
reproduce=None):
"""
Wrapper around original setup command to provide default arguments
and run in ctrldir
"""
with cd(ctrldir):
payu_sweep(model_type=None,
config_path=None,
hard_sweep=False,
lab_path=str(labdir))
payu_setup_orignal(model_type, config_path, lab_path, force_archive,
reproduce)
def __call__(self, cmd, post_traversal=False, concurrent=False):
for submodule in self.all_submodules(root_first=not post_traversal):
with cd(submodule):
if modules.is_module_excluded(submodule):
continue
pool = ThreadPool(processes=4) if concurrent else None
if callable(cmd):
if concurrent:
o = pool.apply_async(cmd).get()
else:
o = cmd()
else:
if concurrent:
o = pool.apply_async(gitcmd, (cmd, False)).get()
else:
o = gitcmd(cmd, git=False)
yield submodule, o
def __call__(self, cmd, post_traversal=False, concurrent=False):
for submodule in self.all_submodules(root_first=not post_traversal):
with cd(submodule):
if modules.is_module_excluded(submodule):
continue
pool = ThreadPool(processes=4) if concurrent else None
if callable(cmd):
if concurrent:
o = pool.apply_async(cmd).get()
else:
o = cmd()
else:
if concurrent:
o = pool.apply_async(gitcmd, (cmd, False)).get()
else:
o = gitcmd(cmd, git=False)
yield submodule, o
def main():
with common.cd(WORKING_DIR):
test_dtrace = "test.dtrace.gz"
test_inv_name = "TestInvariant"
ontology_to_daikon.create_daikon_invariant("README.md", test_inv_name)
cmd = ["javac", "-classpath", daikon_jar + ":.", test_inv_name + ".java"]
common.run_cmd(cmd, print_output=True)
print ("Finding program points")
ppts = find_ppts_that_establish_inv(test_dtrace, WORKING_DIR, test_inv_name)
print ("deleting temp files")
os.remove(test_inv_name + ".class")
os.remove(test_inv_name + ".java")
os.remove("test.inv.gz")
# output = run_daikon_on_dtrace_file(test_dtrace, checked_invariant="daikon.inv.unary.sequence.EltwiseIntLessThan")
# print output
# ppts = find_ppts_that_establish_inv_in_daikon_output(output, " sorted by ")
print ("Methods that establish FirstMuseInvariant:")
for ppt in ppts:
print ppt
def build_jar(project_name):
project = common.project_info(project_name)
project_dir = common.get_project_dir(project_name)
if 'jar' not in project:
print('No jar command available, skipping {}.')
return
jar_cmd = project['jar'].strip().split()
build_system = jar_cmd[0]
if build_system == "mvn":
add_mvn_deps(project_dir)
elif build_system == "gradle":
add_gradle_deps(project_dir)
else:
print("Don't know how to build jar file for {} projects".format(
build_system))
return
with common.cd(project_dir):
common.run_cmd(jar_cmd)
def main():
with common.cd(common.WORKING_DIR):
test_dtrace = "test.dtrace.gz"
test_inv_name = "TestInvariant"
ontology_to_daikon.create_daikon_invariant("README.md", test_inv_name)
cmd = [
"javac", "-classpath", daikon_jar + ":.", test_inv_name + ".java"
]
common.run_cmd(cmd, print_output=True)
print("Finding program points")
ppts = find_ppts_that_establish_inv(test_dtrace, WORKING_DIR,
test_inv_name)
print("deleting temp files")
os.remove(test_inv_name + ".class")
os.remove(test_inv_name + ".java")
os.remove("test.inv.gz")
#output = run_daikon_on_dtrace_file(test_dtrace, checked_invariant="daikon.inv.unary.sequence.EltwiseIntLessThan")
#print output
#ppts = find_ppts_that_establish_inv_in_daikon_output(output, " sorted by ")
print("Methods that establish FirstMuseInvariant:")
for ppt in ppts:
print ppt
def run_inference(project):
common.setup_checker_framework_env()
classpath = os.path.join(os.environ['JSR308'], 'generic-type-inference-solver', 'bin')
if os.environ.get('CLASSPATH'):
os.environ['CLASSPATH'] += ':' + classpath
else:
os.environ['CLASSPATH'] = classpath
project_dir = common.get_project_dir(project)
annotation_dir = os.path.join(project_dir, common.DLJC_OUTPUT_DIR, 'annotations')
if os.path.isdir(annotation_dir):
shutil.rmtree(annotation_dir)
with common.cd(project_dir):
common.clean_project(project)
common.run_dljc(project,
['inference'],
['--solverArgs=backEndType=maxsatbackend.MaxSat',
'--checker', 'ontology.OntologyChecker',
'--solver', 'constraintsolver.ConstraintSolver',
'-m', 'ROUNDTRIP',
'-afud', annotation_dir])
def revert_checker_source():
with common.cd(SOLVER_SRC_DIR):
common.run_cmd(['git', 'clean', '-f', '.'])
common.run_cmd(['git', 'checkout', '.'])
#print(n_neighbors)
n_cluster, connected = eg.calculate_gap(data_matrix,
n_neighbors=n_neighbors,path=dir_path)
analytics.append([int(n_cluster),connected,n_neighbors])
if connected:
break
max_gap.append(tuple(max(analytics)))
connected_gaps = list(filter(lambda x: x[1],analytics))
if len(connected_gaps):
max_gap_connected.append(max(connected_gaps))
else:
max_gap_connected.append((0,True))
analytics = {'analytics':analytics, 'n_neighbors':neighbors, 'n_components': n_components}
with (dir_path / 'analytics.json' ).open(mode='w') as out_analytics:
json.dump(analytics,out_analytics,indent=4)
with (Path(path) / 'analytics.json' ).open(mode='w') as out_analytics:
json.dump({'max_gap':max_gap, 'max_gap_connected':max_gap_connected},out_analytics,indent=4)
with cm.cd(path):
join_labels = True
fancy = ("Joined" if join_labels else "")
dataset = pdbids_file.split(".")[0] + "_" + (fancy[0]) + ("_T" if join_labels else "_F")
plot_max_gap(cl_range,max_gap,max_gap_connected,save=True,show=False,fname="eigen_summary.png")
plot_eigen_gap(max_gap_connected,var_comp,fancy=fancy,dataset=dataset,adjust=False)
def process_trace(
pcap_filepath,
graph_dir_exp,
stat_dir_exp,
aggl_dir_exp,
rtt_dir_exp,
rtt_subflow_dir_exp,
failed_conns_dir_exp,
acksize_dir_exp,
acksize_tcp_dir_exp,
plot_cwin,
tcpcsm,
min_bytes=0,
light=False,
return_dict=False,
):
""" Process a mptcp pcap file and generate graphs of its subflows
Notice that we can't change dir per thread, we should use processes
"""
# if not check_mptcp_joins(pcap_filepath):
# print("WARNING: no mptcp joins on " + pcap_filepath, file=sys.stderr)
csv_tmp_dir = tempfile.mkdtemp(dir=os.getcwd())
connections = None
do_tcp_processing = False
try:
with co.cd(csv_tmp_dir):
# If segmentation faults, remove the -S option
# cmd = ['mptcptrace', '-f', pcap_filepath, '-s', '-S', '-t', '5000', '-w', '0']
# if not light:
# cmd += ['-G', '250', '-r', '2', '-F', '3', '-a']
# connections = process_mptcptrace_cmd(cmd, pcap_filepath)
#
# # Useful to count the number of reinjected bytes
# cmd = ['mptcptrace', '-f', pcap_filepath, '-s', '-a', '-t', '5000', '-w', '2']
# if not light:
# cmd += ['-G', '250', '-r', '2', '-F', '3']
# devnull = open(os.devnull, 'w')
# if subprocess.call(cmd, stdout=devnull) != 0:
# raise MPTCPTraceError("Error of mptcptrace with " + pcap_filepath)
# devnull.close()
#
# cmd = ['mptcptrace', '-f', pcap_filepath, '-r', '2', '-t', '5000', '-w', '2']
# if not light:
# cmd += ['-G', '250', '-r', '2', '-F', '3']
# devnull = open(os.devnull, 'w')
# if subprocess.call(cmd, stdout=devnull) != 0:
# raise MPTCPTraceError("Error of mptcptrace with " + pcap_filepath)
# devnull.close()
cmd = ["mptcptrace", "-f", pcap_filepath, "-s", "-S", "-a", "-A", "-R", "-r", "2", "-t", "5000", "-w", "2"]
connections = process_mptcptrace_cmd(cmd, pcap_filepath)
# The mptcptrace call will generate .xpl files to cope with
# First see all xpl files, to detect the relative 0 of all connections
# Also, compute the duration and number of bytes of the MPTCP connection
first_pass_on_files(connections)
rtt_all = {co.C2S: {}, co.S2C: {}}
acksize_all = {co.C2S: {}, co.S2C: {}}
# Then really process xpl files
if return_dict:
for xpl_fname in glob.glob(os.path.join("*.xpl")):
try:
os.remove(xpl_fname)
except IOError as e:
print(str(e), file=sys.stderr)
else:
for xpl_fname in glob.glob(os.path.join("*.xpl")):
try:
directory = co.DEF_RTT_DIR if MPTCP_RTT_FNAME in xpl_fname else co.TSG_THGPT_DIR
shutil.move(
xpl_fname,
os.path.join(
graph_dir_exp,
directory,
os.path.basename(pcap_filepath[:-5]) + "_" + os.path.basename(xpl_fname),
),
)
except IOError as e:
print(str(e), file=sys.stderr)
# And by default, save only seq csv files
for csv_fname in glob.glob(os.path.join("*.csv")):
if not light:
if MPTCP_GPUT_FNAME in os.path.basename(csv_fname):
process_gput_csv(csv_fname, connections)
try:
if os.path.basename(csv_fname).startswith(MPTCP_ADDADDR_FNAME):
conn_id = get_connection_id(os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
process_add_addr_csv(csv_fname, connections, conn_id)
os.remove(csv_fname)
elif os.path.basename(csv_fname).startswith(MPTCP_RMADDR_FNAME):
conn_id = get_connection_id(os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
process_rm_addr_csv(csv_fname, connections, conn_id)
os.remove(csv_fname)
elif MPTCP_RTT_FNAME in os.path.basename(csv_fname):
conn_id = get_connection_id(os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
is_reversed = is_reverse_connection(os.path.basename(csv_fname))
process_rtt_csv(csv_fname, rtt_all, connections, conn_id, is_reversed)
os.remove(csv_fname)
# co.move_file(csv_fname, os.path.join(
# graph_dir_exp, co.DEF_RTT_DIR, os.path.basename(pcap_filepath[:-5]) + "_" + csv_fname))
elif MPTCP_SEQ_FNAME in os.path.basename(csv_fname):
conn_id = get_connection_id(os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
is_reversed = is_reverse_connection(os.path.basename(csv_fname))
process_csv(csv_fname, connections, conn_id, is_reversed)
if return_dict:
try:
os.remove(csv_fname)
except Exception:
pass
else:
co.move_file(
csv_fname,
os.path.join(
graph_dir_exp,
co.TSG_THGPT_DIR,
os.path.basename(pcap_filepath[:-5]) + "_" + os.path.basename(csv_fname),
),
)
elif MPTCP_ACKSIZE_FNAME in os.path.basename(csv_fname):
collect_acksize_csv(csv_fname, connections, acksize_all)
os.remove(csv_fname)
else:
if not light and not return_dict:
co.move_file(
csv_fname,
os.path.join(
graph_dir_exp,
co.TSG_THGPT_DIR,
os.path.basename(pcap_filepath[:-5]) + "_" + os.path.basename(csv_fname),
),
)
else:
os.remove(csv_fname)
except IOError as e:
print(str(e), file=sys.stderr)
do_tcp_processing = True
except MPTCPTraceError as e:
print(str(e) + "; skip mptcp process", file=sys.stderr)
shutil.rmtree(csv_tmp_dir)
# This will save the mptcp connections
if connections and do_tcp_processing:
dicts = tcp.process_trace(
pcap_filepath,
graph_dir_exp,
stat_dir_exp,
failed_conns_dir_exp,
acksize_tcp_dir_exp,
tcpcsm,
mptcp_connections=connections,
light=light,
return_dict=return_dict,
)
if return_dict:
tcp_connections, acksize_all_tcp = dicts
return connections, tcp_connections, rtt_all, acksize_all, acksize_all_tcp
else:
co.save_data(pcap_filepath, acksize_dir_exp, acksize_all)
co.save_data(pcap_filepath, rtt_dir_exp, rtt_all)
co.save_data(pcap_filepath, stat_dir_exp, connections)
def revert_checker_source():
with common.cd(SOLVER_SRC_DIR):
common.run_cmd(['git', 'clean', '-f', '.'])
common.run_cmd(['git', 'checkout', '.'])
def main(corpus, annotations):
""" SUMMARY: use case of the user-driven functionality of PASCALI.
Scenario: User provides the concept of Sequence and the equivalent Java
types, and the concept of sorted sequence and the relevant type invariant.
Goal: learn how to get from Sequence -> Sorted Sequence.
"""
"""
INPUT: annotations, dictionary mapping string -> list of strings
OUTPUT: recompiles generic-inference-solver with new annotations"""
run_pa2checker(annotations)
""" Look for new mapping from 'ontology concepts'->'java type' and run
checker framework. Should be implemented in type_inference
Mapping example:
Sequence -> java.lang.Array, java.util.List, LinkedHashSet, etc.
INPUT: corpus, file containing set of concept->java_type mapping
OUTPUT: Set of jaif files that are merged into the classes. The jaif files are
stored as default.jaif in each project's directory.
BODY: This also triggers back-end labeled graph generation.
"""
for project in corpus:
run_inference(project)
""" Missing step: interact with PA to add a definition of Sorted Sequence
which is a specialization of Sequence that has a sortedness invariants.
The sortedness invariant gets turned into a Daikon template
INPUT: user interaction
OUTPUT: type_annotation and type_invariant (for sorted sequence)
"""
ordering_operator = "<="
ontology_invariant_file = "TODO_from_Howie.txt"
with open(ontology_invariant_file, 'w') as f:
f.write(ordering_operator)
invariant_name = "TODO_sorted_sequence"
daikon_pattern_java_file = ontology_to_daikon.create_daikon_invariant(ontology_invariant_file, invariant_name)
""" Find all methods that have one input parameter annotated as Sequence and return a variable also
annotated as Sequence.
INPUT: The corpus and the desired annotations on the method signature
OUTPUT: List of methods that have the desired signature.
NOTE: This is a stub and will be implemented as LB query in the future.
"""
sig_methods = find_methods_with_signature(corpus, "@ontology.qual.Sequence", ["@ontology.qual.Sequence"])
print ("\n ************")
print ("The following corpus methods have the signature Sequence->Sequence {}:")
for (project, package, clazz, method) in sig_methods:
print("{}:\t{}.{}.{}".format(project, package, clazz, method))
print ("\n ************")
""" Search for methods that have a return type annotated with Sequence
and for which we can establish a sortedness invariant (may done by LB).
INPUT: dtrace file of project
daikon_pattern_java_file that we want to check on the dtrace file.
OUTPUT: list of ppt names that establish the invariant. Here a ppt
is a Daikon program point, s.a. test01.TestClass01.sort(int[]):::EXIT
Note: this step translate the type_invariant into a Daikon
template (which is a Java file).
"""
pattern_class_name = invariant_name
pattern_class_dir = os.path.join(common.WORKING_DIR, "invClass")
if os.path.isdir(pattern_class_dir):
shutil.rmtree(pattern_class_dir)
os.mkdir(pattern_class_dir)
cmd = ["javac", "-g", "-classpath", common.get_jar('daikon.jar'),
daikon_pattern_java_file, "-d", pattern_class_dir]
common.run_cmd(cmd)
list_of_methods = []
for project in corpus:
dtrace_file = backend.get_dtrace_file_for_project(project)
if not dtrace_file:
print ("Ignoring folder {} because it does not contain dtrace file".format(project))
continue
ppt_names = inv_check.find_ppts_that_establish_inv(dtrace_file, pattern_class_dir, pattern_class_name)
methods = set()
for ppt in ppt_names:
method_name = ppt[:ppt.find(':::EXIT')]
methods.add(method_name)
list_of_methods +=[(project, methods)]
print ("\n ************")
print ("The following corpus methods return a sequence sorted by {}:".format(ordering_operator))
for project, methods in list_of_methods:
if len(methods)>0:
print (project)
for m in methods:
print("\t{}".format(m))
print ("\n ************")
shutil.rmtree(pattern_class_dir)
""" Expansion of dynamic analysis results ....
Find a list of similar methods that are similar to the ones found above (list_of_methods).
INPUT: list_of_methods, corpus with labeled graphs generated, threshold value for similarity,
OUTPUT: superset_list_of_methods
"""
# WENCHAO
print("Expanding the dynamic analysis results using graph-based similarity:")
union_set = set()
for project, methods in list_of_methods:
# map Daikon output on sort method to method signature in methods.txt in generated graphs
for m in methods:
method_name = common.get_method_from_daikon_out(m)
#kernel_file = common.get_kernel_path(project)
method_file = common.get_method_path(project)
dot_name = common.find_dot_name(method_name, method_file)
if dot_name:
# find the right dot file for each method
dot_file = common.get_dot_path(project, dot_name)
# find all graphs that are similar to it using WL based on some threshold
sys.path.insert(0, 'simprog')
from similarity import Similarity
sim = Similarity()
sim.read_graph_kernels("corpus_kernel.txt")
top_k = 3
iter_num = 3
result_program_list_with_score = sim.find_top_k_similar_graphs(dot_file, 'g', top_k, iter_num)
print(project+":")
print(result_program_list_with_score)
result_set = set([x[0] for x in result_program_list_with_score])
# take the union of all these graphs
union_set = union_set | result_set
print("Expanded set:")
print([x.split('/')[-4] for x in union_set])
# return this set as a list of (project, method)
fo = open("methods.txt", "w")
expanded_list = []
for dot_path in union_set:
method_summary = common.get_method_summary_from_dot_path(dot_path)
fo.write(method_summary)
fo.write("\n")
fo.close()
""" Update the type annotations for the expanded dynamic analysis results.
INPUT: superset_list_of_methods, annotation to be added
OUTPUT: nothing
EFFECT: updates the type annotations of the methods in superset_list_of_methods.
This requires some additional checks to make sure that the methods actually
perform some kind of sorting. Note that we do it on the superset because the original
list_of_methods might miss many implementations because fuzz testing could not
reach them.
"""
for class_file in []: # MARTIN
generated_jaif_file = "TODO"
insert_jaif.merge_jaif_into_class(class_file, generated_jaif_file)
""" Ordering of expanded dynamic analysis results ....
Find the k 'best' implementations in superset of list_of_methods
INPUT: superset_list_of_methods, corpus, k
OUTPUT: k_list_of_methods
Note: similarity score is used. may consider using other scores; e.g., TODO:???
"""
#TODO: create input file for huascar where each line is formatted like:
# ../corpus/Sort05/src/Sort05.java::sort(int[]):int[]
ordering_dir = os.path.join(common.WORKING_DIR, "ordering_results/")
methods_file = os.path.join(common.WORKING_DIR, 'methods.txt')
with common.cd(ordering_dir):
#TODO generate a proper relevant methods file.
cmd = ["./run.sh",
"-k", "3",
"-t", "typicality",
"-f", methods_file]
common.run_cmd(cmd, print_output=True)
"""
Close the loop and add the best implementation found in the previous
step back to the ontology.
INPUT: k_list_of_methods
OUTPUT: patch file for the ontology. Worst case: just add the 'best' implementation
found in the corpus as a blob to the ontology. Best case: generate an equivalent
flow-graph in the ontology.
"""
print "TODO" # ALL
def main(corpus, annotations, limit=3):
""" SUMMARY: use case of the user-driven functionality of PASCALI.
Scenario: User provides the concept of Sequence and the equivalent Java
types, and the concept of sorted sequence and the relevant type invariant.
Goal: learn how to get from Sequence -> Sorted Sequence.
"""
"""
INPUT: annotations, dictionary mapping string -> list of strings
OUTPUT: recompiles generic-inference-solver with new annotations"""
run_pa2checker(annotations)
""" Look for new mapping from 'ontology concepts'->'java type' and run
checker framework. Should be implemented in type_inference
Mapping example:
Sequence -> java.lang.Array, java.util.List, LinkedHashSet, etc.
INPUT: corpus, file containing set of concept->java_type mapping
OUTPUT: Set of jaif files that are merged into the classes. The jaif files are
stored as default.jaif in each project's directory.
BODY: This also triggers back-end labeled graph generation.
"""
for project in corpus:
run_inference(project)
""" Missing step: interact with PA to add a definition of Sorted Sequence
which is a specialization of Sequence that has a sortedness invariants.
The sortedness invariant gets turned into a Daikon template
INPUT: user interaction
OUTPUT: type_annotation and type_invariant (for sorted sequence)
"""
ordering_operator = "<="
ontology_invariant_file = "TODO_from_Howie.txt"
with open(ontology_invariant_file, 'w') as f:
f.write(ordering_operator)
invariant_name = "TODO_sorted_sequence"
daikon_pattern_java_file = ontology_to_daikon.create_daikon_invariant(
ontology_invariant_file, invariant_name)
""" Find all methods that have one input parameter annotated as Sequence and return a variable also
annotated as Sequence.
INPUT: The corpus and the desired annotations on the method signature
OUTPUT: List of methods that have the desired signature.
NOTE: This is a stub and will be implemented as LB query in the future.
"""
sig_methods = find_methods_with_signature(corpus,
"@ontology.qual.Sequence",
["@ontology.qual.Sequence"])
print("\n ************")
print(
"The following corpus methods have the signature Sequence->Sequence {}:"
)
for (project, package, clazz, method) in sig_methods:
print("{}:\t{}.{}.{}".format(project, package, clazz, method))
print("\n ************")
""" Search for methods that have a return type annotated with Sequence
and for which we can establish a sortedness invariant (may done by LB).
INPUT: dtrace file of project
daikon_pattern_java_file that we want to check on the dtrace file.
OUTPUT: list of ppt names that establish the invariant. Here a ppt
is a Daikon program point, s.a. test01.TestClass01.sort(int[]):::EXIT
Note: this step translate the type_invariant into a Daikon
template (which is a Java file).
"""
pattern_class_name = invariant_name
pattern_class_dir = os.path.join(common.WORKING_DIR, "invClass")
if os.path.isdir(pattern_class_dir):
shutil.rmtree(pattern_class_dir)
os.mkdir(pattern_class_dir)
cmd = [
"javac", "-g", "-classpath",
common.get_jar('daikon.jar'), daikon_pattern_java_file, "-d",
pattern_class_dir
]
common.run_cmd(cmd)
list_of_methods = []
for project in corpus:
dtrace_file = backend.get_dtrace_file_for_project(project)
if not dtrace_file:
print("Ignoring folder {} because it does not contain dtrace file".
format(project))
continue
ppt_names = inv_check.find_ppts_that_establish_inv(
dtrace_file, pattern_class_dir, pattern_class_name)
methods = set()
for ppt in ppt_names:
method_name = ppt[:ppt.find(':::EXIT')]
methods.add(method_name)
list_of_methods += [(project, methods)]
print("\n ************")
print(
"The following corpus methods return a sequence sorted by {}:".format(
ordering_operator))
for project, methods in list_of_methods:
if len(methods) > 0:
print(project)
for m in methods:
print("\t{}".format(m))
print("\n ************")
shutil.rmtree(pattern_class_dir)
""" Expansion of dynamic analysis results ....
Find a list of similar methods that are similar to the ones found above (list_of_methods).
INPUT: list_of_methods, corpus with labeled graphs generated, threshold value for similarity,
OUTPUT: superset_list_of_methods
"""
# WENCHAO
print(
"Expanding the dynamic analysis results using graph-based similarity:")
union_set = set()
for project, methods in list_of_methods:
# map Daikon output on sort method to method signature in methods.txt in generated graphs
for m in methods:
method_name = common.get_method_from_daikon_out(m)
#kernel_file = common.get_kernel_path(project)
method_file = common.get_method_path(project)
dot_name = common.find_dot_name(method_name, method_file)
if dot_name:
# find the right dot file for each method
dot_file = common.get_dot_path(project, dot_name)
# find all graphs that are similar to it using WL based on some threshold
sys.path.append(os.path.join(common.WORKING_DIR, 'simprog'))
from similarity import Similarity
sim = Similarity()
sim.read_graph_kernels(
os.path.join(common.WORKING_DIR, "corpus_kernel.txt"))
top_k = 3
iter_num = 3
result_program_list_with_score = sim.find_top_k_similar_graphs(
dot_file, 'g', top_k, iter_num)
print(project + ":")
print(result_program_list_with_score)
result_set = set(
[x[0] for x in result_program_list_with_score])
# take the union of all these graphs
union_set = union_set | result_set
print("Expanded set:")
print([x.split('/')[-4] for x in union_set])
# return this set as a list of (project, method)
fo = open("methods.txt", "w")
expanded_list = []
for dot_path in union_set:
method_summary = common.get_method_summary_from_dot_path(dot_path)
fo.write(method_summary)
fo.write("\n")
fo.close()
""" Update the type annotations for the expanded dynamic analysis results.
INPUT: superset_list_of_methods, annotation to be added
OUTPUT: nothing
EFFECT: updates the type annotations of the methods in superset_list_of_methods.
This requires some additional checks to make sure that the methods actually
perform some kind of sorting. Note that we do it on the superset because the original
list_of_methods might miss many implementations because fuzz testing could not
reach them.
"""
for class_file in []: # MARTIN
generated_jaif_file = "TODO"
insert_jaif.merge_jaif_into_class(class_file, generated_jaif_file)
""" Ordering of expanded dynamic analysis results ....
Find the k 'best' implementations in superset of list_of_methods
INPUT: superset_list_of_methods, corpus, k
OUTPUT: k_list_of_methods
Note: similarity score is used. may consider using other scores; e.g., TODO:???
"""
#TODO: create input file for huascar where each line is formatted like:
# ../corpus/Sort05/src/Sort05.java::sort(int[]):int[]
ordering_dir = os.path.join(common.WORKING_DIR, "ordering_results/")
methods_file = os.path.join(common.WORKING_DIR, 'methods.txt')
with common.cd(ordering_dir):
#TODO generate a proper relevant methods file.
cmd = [
"./run.sh", "-k", "{}".format(limit), "-t", "typicality", "-f",
methods_file
]
common.run_cmd(cmd, print_output=True)
"""
def process_trace(pcap_filepath,
graph_dir_exp,
stat_dir_exp,
aggl_dir_exp,
rtt_dir_exp,
rtt_subflow_dir_exp,
failed_conns_dir_exp,
acksize_dir_exp,
acksize_tcp_dir_exp,
plot_cwin,
tcpcsm,
min_bytes=0,
light=False,
return_dict=False):
""" Process a mptcp pcap file and generate graphs of its subflows
Notice that we can't change dir per thread, we should use processes
"""
# if not check_mptcp_joins(pcap_filepath):
# print("WARNING: no mptcp joins on " + pcap_filepath, file=sys.stderr)
csv_tmp_dir = tempfile.mkdtemp(dir=os.getcwd())
connections = None
do_tcp_processing = False
try:
with co.cd(csv_tmp_dir):
# If segmentation faults, remove the -S option
# cmd = ['mptcptrace', '-f', pcap_filepath, '-s', '-S', '-t', '5000', '-w', '0']
# if not light:
# cmd += ['-G', '250', '-r', '2', '-F', '3', '-a']
# connections = process_mptcptrace_cmd(cmd, pcap_filepath)
#
# # Useful to count the number of reinjected bytes
# cmd = ['mptcptrace', '-f', pcap_filepath, '-s', '-a', '-t', '5000', '-w', '2']
# if not light:
# cmd += ['-G', '250', '-r', '2', '-F', '3']
# devnull = open(os.devnull, 'w')
# if subprocess.call(cmd, stdout=devnull) != 0:
# raise MPTCPTraceError("Error of mptcptrace with " + pcap_filepath)
# devnull.close()
#
# cmd = ['mptcptrace', '-f', pcap_filepath, '-r', '2', '-t', '5000', '-w', '2']
# if not light:
# cmd += ['-G', '250', '-r', '2', '-F', '3']
# devnull = open(os.devnull, 'w')
# if subprocess.call(cmd, stdout=devnull) != 0:
# raise MPTCPTraceError("Error of mptcptrace with " + pcap_filepath)
# devnull.close()
cmd = [
'mptcptrace', '-f', pcap_filepath, '-s', '-S', '-a', '-A',
'-R', '-r', '2', '-t', '5000', '-w', '2'
]
connections = process_mptcptrace_cmd(cmd, pcap_filepath)
# The mptcptrace call will generate .xpl files to cope with
# First see all xpl files, to detect the relative 0 of all connections
# Also, compute the duration and number of bytes of the MPTCP connection
first_pass_on_files(connections)
rtt_all = {co.C2S: {}, co.S2C: {}}
acksize_all = {co.C2S: {}, co.S2C: {}}
# Then really process xpl files
if return_dict:
for xpl_fname in glob.glob(os.path.join('*.xpl')):
try:
os.remove(xpl_fname)
except IOError as e:
print(str(e), file=sys.stderr)
else:
for xpl_fname in glob.glob(os.path.join('*.xpl')):
try:
directory = co.DEF_RTT_DIR if MPTCP_RTT_FNAME in xpl_fname else co.TSG_THGPT_DIR
shutil.move(
xpl_fname,
os.path.join(
graph_dir_exp, directory,
os.path.basename(pcap_filepath[:-5]) + "_" +
os.path.basename(xpl_fname)))
except IOError as e:
print(str(e), file=sys.stderr)
# And by default, save only seq csv files
for csv_fname in glob.glob(os.path.join('*.csv')):
if not light:
if MPTCP_GPUT_FNAME in os.path.basename(csv_fname):
process_gput_csv(csv_fname, connections)
try:
if os.path.basename(csv_fname).startswith(
MPTCP_ADDADDR_FNAME):
conn_id = get_connection_id(
os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
process_add_addr_csv(csv_fname, connections, conn_id)
os.remove(csv_fname)
elif os.path.basename(csv_fname).startswith(
MPTCP_RMADDR_FNAME):
conn_id = get_connection_id(
os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
process_rm_addr_csv(csv_fname, connections, conn_id)
os.remove(csv_fname)
elif MPTCP_RTT_FNAME in os.path.basename(csv_fname):
conn_id = get_connection_id(
os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
is_reversed = is_reverse_connection(
os.path.basename(csv_fname))
process_rtt_csv(csv_fname, rtt_all, connections,
conn_id, is_reversed)
os.remove(csv_fname)
# co.move_file(csv_fname, os.path.join(
# graph_dir_exp, co.DEF_RTT_DIR, os.path.basename(pcap_filepath[:-5]) + "_" + csv_fname))
elif MPTCP_SEQ_FNAME in os.path.basename(csv_fname):
conn_id = get_connection_id(
os.path.basename(csv_fname))
if conn_id not in connections:
# Not a real connection; skip it
continue
is_reversed = is_reverse_connection(
os.path.basename(csv_fname))
process_csv(csv_fname, connections, conn_id,
is_reversed)
if return_dict:
try:
os.remove(csv_fname)
except Exception:
pass
else:
co.move_file(
csv_fname,
os.path.join(
graph_dir_exp, co.TSG_THGPT_DIR,
os.path.basename(pcap_filepath[:-5]) +
"_" + os.path.basename(csv_fname)))
elif MPTCP_ACKSIZE_FNAME in os.path.basename(csv_fname):
collect_acksize_csv(csv_fname, connections,
acksize_all)
os.remove(csv_fname)
else:
if not light and not return_dict:
co.move_file(
csv_fname,
os.path.join(
graph_dir_exp, co.TSG_THGPT_DIR,
os.path.basename(pcap_filepath[:-5]) +
"_" + os.path.basename(csv_fname)))
else:
os.remove(csv_fname)
except IOError as e:
print(str(e), file=sys.stderr)
do_tcp_processing = True
except MPTCPTraceError as e:
print(str(e) + "; skip mptcp process", file=sys.stderr)
shutil.rmtree(csv_tmp_dir)
# This will save the mptcp connections
if connections and do_tcp_processing:
dicts = tcp.process_trace(pcap_filepath,
graph_dir_exp,
stat_dir_exp,
failed_conns_dir_exp,
acksize_tcp_dir_exp,
tcpcsm,
mptcp_connections=connections,
light=light,
return_dict=return_dict)
if return_dict:
tcp_connections, acksize_all_tcp = dicts
return connections, tcp_connections, rtt_all, acksize_all, acksize_all_tcp
else:
co.save_data(pcap_filepath, acksize_dir_exp, acksize_all)
co.save_data(pcap_filepath, rtt_dir_exp, rtt_all)
co.save_data(pcap_filepath, stat_dir_exp, connections)
