def bucket_creation(bucket_id):
pref_list, node_list = preference_list(bucket_id)
file_name = ""
operation_number = 1
resp, vector_clock_list = bucket_creation_1(bucket_id,
operation_number, '',
file_name, pref_list, 0,
[], False)
replicas = []
for i in range(len(pref_list)):
if resp[i]:
replicas.append(pref_list[i])
is_bucket_created = False
if len(replicas) >= 2:
is_bucket_created = True
resp_data['pref_list'] = pref_list
resp_data['replicas_written'] = replicas
resp_data['is_bucket_created'] = is_bucket_created
return jsonify(resp_data), 200
def file_delete(bucket_id, file_id):
resp_data = {}
pref_list = preference_list(bucket_id)
operation_number = 4
resp_data['pref_list'] = pref_list
is_file_deleted = False
resp, vector_clock_list = bucket_creation_1(bucket_id,
operation_number, file_id,
pref_list)
replicas = []
for i in range(len(pref_list)):
if resp[i]:
replicas.append(pref_list[i])
if len(replicas) >= 2:
is_file_deleted = True
resp_data['pref_list'] = pref_list
resp_data['replicas_written'] = replicas
resp_data['is_file_deleted'] = is_file_deleted
return jsonify(resp_data), 200
def file_create_replace(bucket_id):
vector_clock_list = []
resp_data = {}
file_content = request.files['file_content']
file_name = secure_filename(file_content.filename)
app.config['UPLOAD_BUCKET_FOLDER'] = UPLOAD_BUCKET_FOLDER + bucket_id
create_new_folder(app.config['UPLOAD_BUCKET_FOLDER'])
saved_path = os.path.join(app.config['UPLOAD_BUCKET_FOLDER'],
file_name)
file_content.save(saved_path)
pref_list, node_list = preference_list(bucket_id)
#file_path = UPLOAD_BUCKET_FOLDER + bucket_id + file_name
#print(file_path)
operation_number = 3
resp_data['pref_list'] = pref_list
is_file_created = False
resp = [] * 0
resp, vector_clock_list = bucket_creation_1(bucket_id,
operation_number, '',
file_name, pref_list, 0,
[], False)
share_v_clock(bucket_id, operation_number, '', file_name, pref_list, 0,
[], False)
replicas = []
print(vector_clock_list)
counter = 0
data = {}
with open('vec_clock.json', 'r') as f:
data = json.load(f)
print(data)
resp_dict_vector = {}
for i in range(len(pref_list)):
if resp[i]:
try:
print("hiiiiiiiiiiiiii")
counter = data[pref_list[i] + "_" + bucket_id + "_" +
file_name]
#print(pref_list[i]+"_"+bucket_id + "_"+file_name, counter)
except Exception as e:
print(e)
counter = 0
counter = counter + 1
#print(pref_list[i],counter)
resp_dict_vector[pref_list[i] + "_" + bucket_id + "_" +
file_name] = counter
vec.update(pref_list[i] + "_" + bucket_id + "_" + file_name,
counter)
replicas.append(pref_list[i])
with open('vec_clock.json', 'w') as f:
json.dump(vec.clock, f)
hinted_system = []
down_system = list(set(pref_list) - set(replicas))
if len(replicas) == 1:
temp_folder = "hinted"
operation_number_hinted = 3
operation_x = 6
hinted_system = list(set(node_list) - set(pref_list))
#hinted_system = "172.18.16.47"
print(file_name)
resp = bucket_creation_1(bucket_id, operation_x, temp_folder,
file_name, hinted_system,
operation_number_hinted, down_system,
False)
if (resp):
resp_data['hinted_system_data'] = hinted_system[0]
if (len(replicas) == 2):
node_ip = random.choice(replicas)
node_down_system = down_system[0]
resp = create_down_system(node_ip, node_down_system, bucket_id, 8,
file_name)
if (resp):
resp_data['down_system_data'] = down_system
print("downSystem is ", down_system)
resp_data['pref_list'] = pref_list
resp_data['replicas_written'] = replicas
#resp_data['is_file_created'] = is_file_created
resp_data['vector_clock_list'] = list(vector_clock_list)
return jsonify(resp_data), 200