Manual PA2

User Manual:

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Manual

make sure you have gcc compiler installed

This project includes files to implement 4 peers and 2 indexing servers but you can

have additional peers and servers the environment. If additional servers are added,

changes are required in ‘server_list.txt’ file at each peer. You need a separate terminal

for each one.

(instructions given in this manual are for 4 peers and 2 indexing servers)

1. Open terminals in each directory of 4 peers and 2 servers

2. Use make command to compile code on terminals  of ‘p1’ and ‘server1’

3. On terminal in server1 Enter ‘./serv1 20000’ to start the server1 at port 20000. On

terminal in server2 Enter ‘./serv2 30000’ to start the server2 at port 30000. You

can use any available port number as long as same port number is used in client

arguments and same is listed in server list of each relevant client too.

4. On terminals of p1, p2, p3 and p4 enter ‘./peer1 20000 9010’,

‘./peer2 20000 9020’, ‘./peer3 30000 9030’ , ‘./peer4 30000 9040’ to connect

peer1 and peer2 to server1 and remaining to server2.

5. 90X0 are the port number at which that peer listens for connections from other

peers. It should be unique for each peer as it is used to differentiate between two

peers.

6. On Client terminal, you can choose between 2 options, make selections

accordingly.

a. To register a file, enter its full name as well as extension. Eg.”7.txt”

b. To lookup a file, enter its full name as well as extension. Eg.”7.txt”

7. After you have made a lookup query if the file is not found, appropriate message

is displayed.

If the file is found, on local server, peer does not search for file on other

servers.  list of ports on which the file is available.

If file is not found on local server, peer searches for it on other servers

At this point you can select a port to download from or to exit from the lookup

query without downloading.

If not found, appropriate message is displayed

8. After selecting a port to download file from, message is displayed if the file is

successfully downloaded and you can check it in the respective peer’s directory.

9. You can repeat the register and lookup queries for as long as required.

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