Temp Remember

Question 1

Implement CP1 ?

Answer 1

Create buff_stat (or buff info)
{
int Connection_fd;
Buff[msg size per connection];
received;

}

buff_stat connections (or clients);

Upon receiving new connection:
Call allocate (client socket)
{
Master fd update;
Create a new connection of type buf_stat;
} 

Upon receiving new date;
{

Update_buff_stat(client socket)
{
Received;
Remaining;
Buff= ;
if (buff conrains \r\n\r\n)
Call parser;
Get request line, header, body ready;
Call send function()
}

}

Send ()
{

Prepare the response and send it;

}

Upon receiving close signal
{

Master fd update (delete);
Remove the connection from buf_state;

}

Question 2

Implement CP2 ?

Answer 2

Upon receiving the request message, prepare the response:

• Check if the entire request is received
• Parse the request to find line, header, and body
• Prepare response message: line, header, and body.
• Get the body from the system and attach it to the message.
• Send.

Question 3

Implement CP3

Question 4

Cgi

Answer 4

Create input file for cgi (from the server)
Create output file for cgi (input to server)

Server:
Open the file
Clear input file
Pass it the url info to input file
Close file
Call CGI

CGI:
Open write file 
Clear it
Get url from input file
Prepare html result
Write it to output file 
Close