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// $Id$
#include "global.h"
#include "Options.h"
#include "CM_Server.h"
/* Creates and binds a UDP socket... */
int
CM_Server::open (short port_number)
{
int max_packet_size = UDP_PACKET_SIZE;
if ((this->sokfd = socket (PF_INET, SOCK_DGRAM, 0)) < 0)
return -1;
bzero (&this->sin, sizeof this->sin);
this->sin.sin_family = AF_INET;
this->sin.sin_port = htons (port_number);
this->sin.sin_addr.s_addr = INADDR_ANY;
/* This call fails if an rflo daemon is already running. */
if (bind (this->sokfd, (sockaddr *) &this->sin, sizeof this->sin) < 0)
return -1;
#ifndef i386
/* Allow for very large datagrams. */
if (setsockopt (this->sokfd, SOL_SOCKET, SO_SNDBUF, (char *) &max_packet_size, sizeof max_packet_size) < 0)
return -1;
#endif
return 1;
}
int
CM_Server::receive (int)
{
/* SUPPRESS 175 */
int sin_len = sizeof this->sin;
int n;
if (Options::get_opt (Options::DEBUG) != 0)
fprintf (stderr, "waiting for client to send...\n");
if ((n = recvfrom (this->sokfd, this->recv_packet, UDP_PACKET_SIZE, 0, (sockaddr *) &this->sin, &sin_len)) < 0)
return -1;
if (Options::get_opt (Options::DEBUG) != 0)
fprintf (stderr, "receiving from client host %s\n", inet_ntoa (this->sin.sin_addr));
if (this->demux (this->recv_packet, n) < 0)
return -1;
return 1;
}
int
CM_Server::send (void)
{
/* SUPPRESS 175 */
int packet_length = 0;
if (this->mux (this->send_packet, packet_length) < 0)
return -1;
if (Options::get_opt (Options::DEBUG) != 0)
fprintf (stderr, "sending to client host %s\n", inet_ntoa (this->sin.sin_addr));
if (sendto (this->sokfd, this->send_packet, packet_length, 0, (sockaddr *) &this->sin, sizeof this->sin) < 0)
return -1;
return 1;
}
#ifndef __OPTIMIZE__
CM_Server::CM_Server (void)
{}
CM_Server::~CM_Server (void)
{
if (Options::get_opt (Options::DEBUG))
fprintf (stderr, "CM_Server\n");
close (this->sokfd);
}
#endif /* __OPTIMIZE__ */
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