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Network Class Reference

The Network Class Class for network functions. More...

#include <network.h>

List of all members.

Public Methods
	Network ()
	The Constructor. More...
	~Network ()
	The Deconstructor. More...
int	waitForConnection ()
	Waits for Connections. More...
Private Attributes
int	sock
	The own server socket. More...
struct sockaddr_in	address
	The address. More...

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Detailed Description

The Network Class Class for network functions.

Author(s):

StonedBones

Date:

310100

Definition at line 17 of file network.h.

{
    public:
    Network ();
    ~Network ();


    int waitForConnection ();

    private:
    int                sock; 
    struct sockaddr_in address; 
}

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Constructor & Destructor Documentation

Network::Network ()

The Constructor.

Definition at line 34 of file network.cpp.

{
    extern FrontEnd* frontEnd;
    
    string msg;
    
    frontEnd->displayDebugMessage ("Opening TCP/IP socket");
    
    if ((sock = socket (PF_INET, SOCK_STREAM, 0)) < 0) {
    frontEnd->displayDebugMessage ("Error: Can't open TCP/IP socket !");
    exit (1);
    };
    
    int i = 1;
    setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &i, sizeof (i));
    
    address.sin_family = AF_INET;
    address.sin_port   = htons (DEFAULT_PORT);
    
    memset (&address.sin_addr, 0, sizeof (address.sin_addr));
    
    msg = "Binding TCP/IP socket to port ";
    msg += intToChar (DEFAULT_PORT);
    frontEnd->displayDebugMessage (msg.c_str ());
    
    if (bind (sock, (struct sockaddr*) &address, sizeof (address))) {
    frontEnd->displayDebugMessage ("Error: Can't bind TCP/IP socket !");
    exit (1);
    };
    
    frontEnd->displayDebugMessage ("Listening for connections");
    
    if (listen (sock, 5)) {
    frontEnd->displayDebugMessage ("Error: Can't listen to socket !");
    exit (1);
    };
}

Network::~Network ()

The Deconstructor.

Definition at line 82 of file network.cpp.

{
}

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Member Function Documentation

int Network::waitForConnection ()

Waits for Connections.

Returns:

the socket number of the new client

Definition at line 96 of file network.cpp.

{
    extern FrontEnd* frontEnd;
    
    fd_set checkIt;
    int    clientSock = 0;
    
    FD_ZERO (&checkIt);
    FD_SET  (sock, &checkIt);
    
    if (select (70, &checkIt, 0, 0, NULL) < 0) {
    frontEnd->displayDebugMessage ("Error in Network::waitForConnection: select !");
    exit (1);
    };
    
    if (FD_ISSET (sock, &checkIt)) {
    if ((clientSock = accept (sock, (struct sockaddr*) &address, (socklen_t*) sizeof (address))) < 0) {
        frontEnd->displayDebugMessage ("Error in Network::waitForConnection: accept !");
        exit (1);
    };
    } else {
    frontEnd->displayDebugMessage ("Error in Network::waitForConnection: FD_ISSET !");
    exit (1);
    };
    
    return clientSock;
}

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Member Data Documentation

struct sockaddr_in Network::address [private]

The address.

Definition at line 32 of file network.h.

int Network::sock [private]

The own server socket.

Definition at line 31 of file network.h.

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The documentation for this class was generated from the following files:

• network.h
• network.cpp

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