CvsiTCPwait Class Reference

#include <vsisocket.h>

Public Member Functions
	CvsiTCPwait ()
	~CvsiTCPwait ()
int	Initialize (vsiIPaddress *LocalAddress, int Backlog)
int	Close ()
int	IsOpen ()
int	Accept (CvsiTCPsocket *TCPsocket, vsiIPaddress *Source)
Private Attributes
int	m_Socket

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Detailed Description

Definition at line 71 of file vsisocket.h.

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Constructor & Destructor Documentation

CvsiTCPwait::CvsiTCPwait

(

)

Definition at line 236 of file vsisocket.cpp.

{
    m_Socket = VSI_INVALID_SOCKET;
}

CvsiTCPwait::~CvsiTCPwait

(

)

Definition at line 241 of file vsisocket.cpp.

{
    if(m_Socket != VSI_INVALID_SOCKET)
    {
        Close();
    }
}

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Member Function Documentation

int CvsiTCPwait::Accept	(	CvsiTCPsocket *	TCPsocket,
		vsiIPaddress *	Source
	)

Definition at line 329 of file vsisocket.cpp.

{
    struct sockaddr_in From;


    if(m_Socket == VSI_INVALID_SOCKET)
    {
        return VSI_ERROR_SOCKET_NOT_OPEN;
    }

    if(TCPsocket->m_Socket != VSI_INVALID_SOCKET)
    {
        return VSI_ERROR_SOCKET_INUSE;
    }

    unsigned int n= sizeof(From);
    int sock = accept( m_Socket, (sockaddr* )&From, &n);

    if(sock < 0)
    {
        return VSI_ERROR_SOCKET_ACCEPT;
    }

    if(Source != 0)
    {
        Source->Host = From.sin_addr.s_addr;
        Source->Port = From.sin_port;
    }

    TCPsocket->m_Socket = sock;

    return 0;
}

int CvsiTCPwait::Close

(

void

)

Definition at line 316 of file vsisocket.cpp.

{
    if(m_Socket != VSI_INVALID_SOCKET)
    {
        close(m_Socket);
        m_Socket = VSI_INVALID_SOCKET;
        return (0);
    }
    return VSI_ERROR_SOCKET_NOT_OPEN;
}

int CvsiTCPwait::Initialize	(	vsiIPaddress *	LocalAddress,
		int	Backlog
	)

Definition at line 261 of file vsisocket.cpp.

{
    int sock;
    struct sockaddr_in myaddress;

    if(m_Socket != VSI_INVALID_SOCKET)
    {
        Close();
    }

    // create TCP socket
    sock = socket (AF_INET, SOCK_STREAM, 0);
    if(sock < 0 )
    {
        return VSI_ERROR_SOCKET_CREATION;
    }

    // ### set SO_REUSEADDR option so can reopen even if old sessions exist
    int flag = 1;
    int rc = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &flag, sizeof(flag));

    if( rc != 0 )
    {
        RioErr << "Error on setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, ...): "
               << rc << endl;
    }

    // Initialize local address
    myaddress.sin_family = AF_INET;
    myaddress.sin_port = LocalAddress->Port;

    if(LocalAddress->Host == VSI_SOCKET_UNDEFINED_IP_ADDRESS)
        myaddress.sin_addr.s_addr = INADDR_ANY;
    else
        myaddress.sin_addr.s_addr = LocalAddress->Host;

    // bind socket to local IP address
    if( bind (sock,(sockaddr *) &myaddress,sizeof(myaddress)) < 0)
    {
        close (sock);
        return VSI_ERROR_SOCKET_BIND;
    }

    if( listen (sock, Backlog) < 0)
    {
        close (sock);
        return VSI_ERROR_SOCKET_LISTEN;
    }

    m_Socket = sock;
    return (0);
}

int CvsiTCPwait::IsOpen

(

)

Definition at line 251 of file vsisocket.cpp.

{
    if(m_Socket == VSI_INVALID_SOCKET)
        return false;
    else
        return true;
}

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Field Documentation

int CvsiTCPwait::m_Socket [private]

Definition at line 81 of file vsisocket.h.

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

• vsisocket.h
• vsisocket.cpp