def start_net_fun(self):
print(self.host, self.port)
self.tcp_client = socket(AF_INET, SOCK_STREAM)
ip_port = ((self.host, int(self.port)))
self.tcp_client.connect_ex(ip_port)
try:
print('向服务端发送本机信息')
json_message = {'client_name': self.device_name}
json_message = json.dumps(json_message)
json_message_buffer = json_message.encode('utf-8')
json_message_buffer = package_data_2_security(json_message_buffer)
self.tcp_client.send(package_data_2_security(data2byte(1000)))
json_message_len_buffer = data2byte(len(json_message_buffer))
json_message_len_buffer = package_data_2_security(
json_message_len_buffer)
self.tcp_client.send(json_message_len_buffer) # 这里是4个字节
self.tcp_client.send(json_message_buffer) # 发送报头的内容
success_code_buffer = self.tcp_client.recv(4)
success_code = byte2data(
unpackage_data_2_security(success_code_buffer))
if success_code == 1000:
self.is_connection = True
except:
self.is_connection = False
print("Error{}, is_connection={}".format("网络错误，重置网络标识，启动服务器链接监测",
self.is_connection))
def recv_file(self):
print("进入小文件接收函数")
self.tcp_client.send(package_data_2_security(data2byte(91100)))
# 接受客户端介绍信息的长度
json_data_len_buffer = self.tcp_client.recv(4)
json_data_len_buffer_unpackage = unpackage_data_2_security(
json_data_len_buffer)
json_data_len = byte2data(json_data_len_buffer_unpackage)
# 接受介绍信息的内容
json_data_buffer = self.tcp_client.recv(json_data_len)
json_data_buffer_unpackage = unpackage_data_2_security(
json_data_buffer)
# 将介绍信息的内容反序列化
json_data = json.loads(json_data_buffer_unpackage.decode('utf-8'))
print("本次介绍信息的内容为：{}".format(json_data))
print("本次file长度为：{}".format(json_data["filesize"]))
# # 文件接收
print("进入接收区")
filename = json_data['filename']
filesize = json_data['filesize']
filepath = json_data['filepath']
aim_device = json_data['aim_device']
md5 = json_data['md5']
recv_len = 0
with open(self.file_local_save_name + filename, 'wb') as sf:
now_data_number = 0
while recv_len < filesize:
package_data_buffer = self.tcp_client.recv(1028)
package_data_buffer_un = unpackage_data_2_security(
package_data_buffer)
# print("Data Length {}".format(len(package_data_buffer_un)))
if len(package_data_buffer_un) == 1028:
file_buffer = package_data_buffer_un[0:1024]
data_number = byte2data(package_data_buffer_un[1024:1028])
# print("Now Data Number {}, Data Number {}, ".format(now_data_number, data_number))
if now_data_number == data_number:
if filesize - recv_len > buffsize:
recv_len += len(file_buffer)
sf.write(file_buffer)
else:
end_size = filesize - recv_len
recv_len += end_size
sf.write(file_buffer[0:end_size])
self.tcp_client.send(
package_data_2_security(data2byte(91100)))
now_data_number += 1
else:
continue
else:
continue
new_file_md5 = getmd5(self.file_local_save_name + filename)
if new_file_md5 == md5:
print("new_file_md5 {}, md5 {}".format(new_file_md5, md5))
print("文件接收成功")
tip_message = "91100" + "+0~^D" + "文件接收成功"
self.my_signal.emit(tip_message)
def send_text_message(self):
try:
self.tcp_client.send(package_data_2_security(data2byte(1011)))
print('向服务端发送文本消息')
json_message = {
'client_name': self.text_message_aim_device,
'security_md5_text': self.text_message
}
json_message = json.dumps(json_message)
json_message_buffer = json_message.encode('utf-8')
json_message_buffer = package_data_2_security(json_message_buffer)
json_message_len_buffer = data2byte(len(json_message_buffer))
json_message_len_buffer = package_data_2_security(
json_message_len_buffer)
self.tcp_client.send(json_message_len_buffer) # 这里是4个字节
self.tcp_client.send(json_message_buffer) # 发送报头的内容
success_code_buffer = self.tcp_client.recv(4)
success_code = byte2data(
unpackage_data_2_security(success_code_buffer))
if success_code == 1011:
self.is_send_heartbeat = True
self.send_code = -1
except Exception as e:
print(e.args)
print(traceback.format_exc())
print("Error{}, is_connection={}".format("网络错误，重置网络标识，启动服务器链接监测",
self.is_connection))
def send_file(self):
head_info_len, head_info, file_size = get_file_inform(self.file_path, self.aim_device)
print(head_info)
self.tcp_client.send(package_data_2_security(data2byte(11000)))
confirm_data = byte2data(unpackage_data_2_security(self.tcp_client.recv(4)))
if confirm_data == 911000:
head_info_buffer = head_info.encode('utf-8')
head_info_buffer = package_data_2_security(head_info_buffer)
head_info_len_buffer = data2byte(len(head_info_buffer))
head_info_len_buffer = package_data_2_security(head_info_len_buffer)
self.tcp_client.send(head_info_len_buffer) # 这里是4个字节
self.tcp_client.send(head_info_buffer) # 发送报头的内容
s = time.time()
counter = 0
with open(self.file_path, 'rb') as sf:
while True:
data = sf.read(1024)
data_len = len(data)
if data_len == 0:
break
elif data_len == 1024:
data = data + data2byte(counter)
elif data_len < 1024:
for i in range(data_len, 1024):
data += b'0'
data = data + data2byte(counter)
timeout_counter = 0
while True:
try:
self.tcp_client.send(package_data_2_security(data))
confirm_data = byte2data(unpackage_data_2_security(self.tcp_client.recv(4)))
if confirm_data == 911000:
# print(data)
# print(len(data))
# print(counter)
counter += 1
timeout_counter = 0
break
except socket.timeout as e:
timeout_counter += 1
print(e.args)
print(traceback.format_exc())
print("大文件数据发送超时，尝试重新发送")
if timeout_counter == 5:
return
def heartbeat(self):
print("进入心跳包发送阶段")
success_code = 0
try:
self.tcp_client.send(package_data_2_security(data2byte(1010)))
success_code_buffer = self.tcp_client.recv(4)
success_code = byte2data(
unpackage_data_2_security(success_code_buffer))
if success_code == 1010:
print("心跳包接收的是{}".format(success_code))
except ValueError:
print("值错误{}，进行服务重连或服务切换".format(ValueError))
self.is_connection = False
except Exception as e:
print(e.args)
print("==============")
print(traceback.format_exc())
print("{}".format("心跳保持出现问题，进行服务重连或切换"))
self.is_connection = False
if success_code == 1010:
status = '在线9'
elif success_code == 91011:
status = '有文本信息'
self.recv_code = 91011
self.is_send_heartbeat = False
return status
elif success_code == 91100:
status = '文件接收中。。。'
self.recv_code = 91100
self.is_send_heartbeat = False
return status
elif success_code == 9110040:
status = '在线9'
print("服务器成功接收发送的大文件，服务器计算md5值相同")
tip_message = "91100" + "+0~^D" + "文件发送成功"
self.my_signal.emit(tip_message)
elif success_code == 110041:
status = '接收大文件。。'
self.is_send_heartbeat = False
self.recv_code = 110041
return status
else:
status = '下线'
return status
def recv_file(self):
print("进入分片文件接收操作")
confirm_code = package_data_2_security(data2byte(6633))
self.tcp_client.send(confirm_code)
flag_code = package_data_2_security(data2byte(int(self.number_name)))
self.tcp_client.send(flag_code)
print("开始接收分片文件信息")
# 接受客户端介绍信息的长度
json_data_len_buffer = self.tcp_client.recv(4)
json_data_len_buffer_unpackage = unpackage_data_2_security(
json_data_len_buffer)
json_data_len = byte2data(json_data_len_buffer_unpackage)
# 接受介绍信息的内容
json_data_buffer = self.tcp_client.recv(json_data_len)
json_data_buffer_unpackage = unpackage_data_2_security(
json_data_buffer)
print("数据接收完成")
# 将介绍信息的内容反序列化
json_data = json.loads(json_data_buffer_unpackage.decode('utf-8'))
print("本次介绍信息的内容为：{}".format(json_data))
print("本次file长度为：{}".format(json_data["filesize"]))
recv_len = 0
filename = json_data['filename']
filesize = json_data['filesize']
filepath = json_data['filepath']
aim_device = json_data['aim_device']
md5 = json_data['md5']
with open("TempFile/" + filename, 'wb') as f:
now_data_number = 0
c_retry = 0
while recv_len < filesize:
package_data_buffer = self.tcp_client.recv(1028)
package_data_buffer_un = unpackage_data_2_security(
package_data_buffer)
# print("Data Length {}".format(len(package_data_buffer_un)))
if len(package_data_buffer_un) == 1028:
file_buffer = package_data_buffer_un[0:1024]
data_number = byte2data(package_data_buffer_un[1024:1028])
# print("Now Data Number {}, Data Number {}, ".format(now_data_number, data_number))
if now_data_number == data_number:
if filesize - recv_len > buffsize:
recv_len += len(file_buffer)
f.write(file_buffer)
else:
end_size = filesize - recv_len
recv_len += end_size
f.write(file_buffer[0:end_size])
c_retry = 0
self.tcp_client.send(
package_data_2_security(data2byte(941000)))
now_data_number += 1
else:
self.tcp_client.send(
package_data_2_security(data2byte(941001)))
c_retry += 1
if c_retry == 5:
print("error")
return
new_file_md5 = getmd5("TempFile/" + filename)
if new_file_md5 == md5:
print("new_file_md5 {}, md5 {}".format(new_file_md5, md5))
confirm_code = package_data_2_security(data2byte(941000))
self.tcp_client.send(confirm_code)
else:
confirm_code = package_data_2_security(data2byte(941002))
self.tcp_client.send(confirm_code)
def run(self):
self.start_net_fun()
while True:
if self.is_connection:
print("{}可以连接到服务器".format(TAG))
# 心跳保持工具
if self.is_send_heartbeat:
qmut_tool.lock()
print('heartbeat')
self.heartbeat()
# self.my_signal.emit("2" + "+0~^D" + self.heartbeat())
self.sleep(3)
print("当前recv_code{}".format(self.recv_code))
qmut_tool.unlock()
# 获取已连接服务端的客户端数量
elif self.send_code == 1001:
qmut_tool.lock()
self.tcp_client.send(
package_data_2_security(data2byte(1001)))
confirm_code_buffer = self.tcp_client.recv(4)
confirm_code = byte2data(
unpackage_data_2_security(confirm_code_buffer))
if confirm_code == 1001:
message_len_buffer = self.tcp_client.recv(4)
message_len = byte2data(
unpackage_data_2_security(message_len_buffer))
message_buffer = self.tcp_client.recv(message_len)
message = unpackage_data_2_security(message_buffer)
self.tcp_client.send(
package_data_2_security(data2byte(1001)))
message = self.return_type_flag + "1001" + "+0~^D" + message.decode(
'utf-8')
self.my_signal.emit(message)
self.send_code = -1
self.is_send_heartbeat = True
else:
print("获取数据失败")
qmut_tool.unlock()
print("end 1001================")
# 发送文本消息
elif self.send_code == 1011:
self.send_text_message()
# 发送文件
elif self.send_code == 1100:
print(self.send_file_path + " in tools")
self.send_file()
# 接收
# 接收文本
elif self.recv_code == 91011:
self.rece_text_message()
# 接收小文件
if self.recv_code == 91100:
print("接收小文件{}".format(self.recv_code))
self.recv_code = -1
self.recv_file()
self.is_send_heartbeat = True
# 接收小文件
if self.recv_code == 110041:
print("接收大文件{}".format(self.recv_code))
self.recv_code = -1
self.recv_big_file()
self.is_send_heartbeat = True
# 网络错误处理
else:
print("网络错误")
self.start_net_fun()
time.sleep(10)
def send_file(self):
head_info_len, head_info, file_size = get_file_inform(
self.send_file_path, self.send_aim)
print(head_info)
if head_info_len > 0:
# 小文件发送
if file_size < 512000:
try:
self.tcp_client.send(
package_data_2_security(data2byte(1100)))
confirm_data = byte2data(
unpackage_data_2_security(self.tcp_client.recv(4)))
if confirm_data == 91100:
head_info_buffer = head_info.encode('utf-8')
head_info_buffer = package_data_2_security(
head_info_buffer)
head_info_len_buffer = data2byte(len(head_info_buffer))
head_info_len_buffer = package_data_2_security(
head_info_len_buffer)
self.tcp_client.send(head_info_len_buffer) # 这里是4个字节
self.tcp_client.send(head_info_buffer) # 发送报头的内容
s = time.time()
counter = 0
with open(self.send_file_path, 'rb') as sf:
while True:
data = sf.read(1024)
data_len = len(data)
if data_len == 0:
break
elif data_len == 1024:
data = data + data2byte(counter)
elif data_len < 1024:
for i in range(data_len, 1024):
data += b'0'
data = data + data2byte(counter)
timeout_counter = 0
while True:
try:
self.tcp_client.send(
package_data_2_security(data))
confirm_data = byte2data(
unpackage_data_2_security(
self.tcp_client.recv(4)))
if confirm_data == 91100:
# print(data)
# print(len(data))
# print(counter)
counter += 1
timeout_counter = 0
break
except socket.timeout as e:
timeout_counter += 1
print(e.args)
print(traceback.format_exc())
print("文件数据发送超时，尝试重新发送")
if timeout_counter == 5:
return
# break
success_code_buffer = self.tcp_client.recv(4)
success_code = byte2data(
unpackage_data_2_security(success_code_buffer))
if success_code == 91100:
self.is_send_heartbeat = True
self.send_code = -1
print("文件发送成功, 一共耗时 {}".format(time.time() - s))
tip_message = "91100" + "+0~^D" + "文件发送成功"
self.my_signal.emit(tip_message)
else:
print("文件发送失败")
except Exception as e:
print(e.args)
print(traceback.format_exc())
# 大文件发送
else:
try:
self.tcp_client.send(
package_data_2_security(data2byte(11004)))
confirm_data = byte2data(
unpackage_data_2_security(self.tcp_client.recv(4)))
if confirm_data == 911004:
head_info_buffer = head_info.encode('utf-8')
head_info_buffer = package_data_2_security(
head_info_buffer)
head_info_len_buffer = data2byte(len(head_info_buffer))
head_info_len_buffer = package_data_2_security(
head_info_len_buffer)
self.tcp_client.send(head_info_len_buffer) # 这里是4个字节
self.tcp_client.send(head_info_buffer) # 发送报头的内容
except Exception as e:
print(e.args)
print("============")
print(traceback.format_exc())
for one_file_path in split_file(self.send_file_path, 5):
file_send_thread = FileSendQThread(one_file_path,
self.host, self.port,
self.send_aim)
file_send_thread.start()
self.send_code = -1
self.send_file_path = ''
self.send_aim = ''
self.is_send_heartbeat = True