FileSystem-with-Client-Server-Model-Backup-/client.py at main · xybrs/FileSystem-with-Client-Server-Model-Backup- · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
import socket
import sys

def clientServerCommunication(message):
    #print(message)
    client_socket.send(message.encode())  # send message
def serverClientCommuncation():
    try:
        data = client_socket.recv(2048).decode()  # receive response
        return str(data)
    except:
        print("Error! Data from Server not received!")
        sys.exit()
    #print(data)
    return str(data)

def clientCLI():
    print("Welcome to the UI for the file management  system.")
    while(True):
        choice = input("Enter p to proceed. e to exit the UI: ")
        clientServerCommunication(choice)
        if (choice == 'p'):
            diskOrFile = input("Enter d to operate on Disk. f to operate on File: ")
            clientServerCommunication(diskOrFile)

            if (diskOrFile == 'd'):
                choice = input("Enter c to create file, d to delete file, m for mem map and anykey for directory creation: ")
                clientServerCommunication(choice)
                if (choice == 'c'):
                    clientServerCommunication(input("Enter file name: "))
                    clientServerCommunication(input("Enter dir name: "))
                    if (int(serverClientCommuncation()) == 1):
                        print("File Created Successfully")
                    else:
                        print("File Not created!")
                elif (choice == 'd'):
                    clientServerCommunication(input("Enter file name: "))
                    clientServerCommunication(input("Enter Directory name: "))
                    if (int(serverClientCommuncation())==1):
                        print("File deleted successfully!")
                    else:
                        print("File not deleted!")
                elif (choice == 'm'):
                    print(serverClientCommuncation())
                else:
                    clientServerCommunication(input("Enter Dir name: "))
                    clientServerCommunication(input("Enter Parent Directory: "))
                    if (int(serverClientCommuncation()) == 1):
                        print("Dir Created Succesfully!")
                    else:
                        print("Directory not created!")
            elif (diskOrFile == 'f'):

                clientServerCommunication(input ("Enter file Name: "))
                confirmation = int(serverClientCommuncation())
                if (confirmation == 1):
                    print("Delivered!")
                else:
                    print("Invalid fileName!")
                    continue
                #while (True):
                mode = input ("w to write, r to read,t to trunc: ")
                clientServerCommunication(mode)
                if (mode == 'w'):
                    if int(serverClientCommuncation()) == 1:
                        print("File Opened with Write Priveleges")
                        clientServerCommunication(input("Enter String: "))
                        clientServerCommunication(input("Enter loc: "))
                        clientServerCommunication(input("Enter mode (a for append, w for write, W for write at loc):"))
                        if int(serverClientCommuncation()) == 1:
                            print("Written to File succesfully")
                        else:
                            print("Failed to Write to File!")

                elif (mode == 't'):
                    if int(serverClientCommuncation()) == 1:
                        print("File Opened with Write Priveleges")
                        clientServerCommunication(input("Enter size to truncate to: "))
                        if int(serverClientCommuncation()) == 1:
                            print("Truncation Succesful!")
                        else:
                            print("Failed to truncate File!")

                elif (mode == 'r'):
                    if int(serverClientCommuncation()) == 1:
                        print("File Opened with Read Priveleges")
                        check = input("Enter a for for all. s for specific: ")
                        clientServerCommunication(check)
                        if (check == 'a'):
                            print(serverClientCommuncation())
                        else:
                            start,size = clientServerCommunication(input("Enter start: ")),clientServerCommunication(input("Enter size: "))
                            print(serverClientCommuncation())
        if (choice == 'e'):
            break

def userName():
    ####Enter username
    clientServerCommunication(input("Enter username: "))
    sessionNumber = int(serverClientCommuncation())
    #print(sessionNumber)
    if (int(sessionNumber) == -1):
        print("User sessions Overflow. User not logged in!\n")
        exit
    else:
        print("User Session Established! Session No: ", int(sessionNumber) , "\n")

if __name__ == '__main__':
    ip = input("Enter IP Address: ")
    #host = socket.gethostbyaddr("192.168.1.2")[0][:-5]  # as both code is running on same pc
    try:
        host = socket.gethostbyaddr(ip)[0]
        print(host)
    except:
        print("Invalid IP Address!\n")
        sys.exit()
    port = 95  # socket server port number
    client_socket = socket.socket()  # instantiate
    try:
        client_socket.connect((host, port))  # connect to the server
        print("Succesfully connected to the server!\n")
    except:
        print("Unable to connect to the Server!\n")
        sys.exit()
    userName()
    clientCLI()