reactos/rosapps/applications/net/ncftp/sio/SocketUtil.c

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#include "syshdrs.h"
#ifndef SO_RCVBUF
int
GetSocketBufSize(int UNUSED(sockfd), size_t *const rsize, size_t *const ssize)
{
LIBSIO_USE_VAR(sockfd);
if (ssize != NULL)
*ssize = 0;
if (rsize != NULL)
*rsize = 0;
return (-1);
} /* GetSocketBufSize */
#else
int
GetSocketBufSize(int sockfd, size_t *const rsize, size_t *const ssize)
{
int rc = -1;
int opt;
int optsize;
if (ssize != NULL) {
opt = 0;
optsize = sizeof(opt);
rc = getsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (char *) &opt, &optsize);
if (rc == 0)
*ssize = (size_t) opt;
else
*ssize = 0;
}
if (rsize != NULL) {
opt = 0;
optsize = sizeof(opt);
rc = getsockopt(sockfd, SOL_SOCKET, SO_RCVBUF, (char *) &opt, &optsize);
if (rc == 0)
*rsize = (size_t) opt;
else
*rsize = 0;
}
return (rc);
} /* GetSocketBufSize */
#endif
#ifndef SO_RCVBUF
int
SetSocketBufSize(int UNUSED(sockfd), size_t UNUSED(rsize), size_t UNUSED(ssize))
{
LIBSIO_USE_VAR(sockfd);
LIBSIO_USE_VAR(rsize);
LIBSIO_USE_VAR(ssize);
return (-1);
} /* SetSocketBufSize */
#else
int
SetSocketBufSize(int sockfd, size_t rsize, size_t ssize)
{
int rc = -1;
int opt;
int optsize;
if (ssize > 0) {
opt = (int) ssize;
optsize = sizeof(opt);
rc = setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (const char *) &opt, optsize);
if (rc < 0)
return (rc);
}
if (rsize > 0) {
opt = (int) rsize;
optsize = sizeof(opt);
rc = setsockopt(sockfd, SOL_SOCKET, SO_RCVBUF, (const char *) &opt, optsize);
if (rc < 0)
return (rc);
}
return (0);
} /* SetSocketBufSize */
#endif
#ifndef TCP_NODELAY
int
GetSocketNagleAlgorithm(const int UNUSED(fd))
{
LIBSIO_USE_VAR(fd);
return (-1);
} /* GetSocketNagleAlgorithm */
#else
int
GetSocketNagleAlgorithm(const int fd)
{
int optsize;
int opt;
opt = -2;
optsize = (int) sizeof(opt);
if (getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *) &opt, &optsize) < 0)
return (-1);
return (opt);
} /* GetSocketNagleAlgorithm */
#endif /* TCP_NODELAY */
#ifndef TCP_NODELAY
int
SetSocketNagleAlgorithm(const int UNUSED(fd), const int UNUSED(onoff))
{
LIBSIO_USE_VAR(fd);
LIBSIO_USE_VAR(onoff);
return (-1);
} /* SetSocketNagleAlgorithm */
#else
int
SetSocketNagleAlgorithm(const int fd, const int onoff)
{
int optsize;
int opt;
opt = onoff;
optsize = (int) sizeof(opt);
return (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *) &opt, optsize));
} /* SetSocketNagleAlgorithm */
#endif /* TCP_NODELAY */
#ifndef SO_LINGER
int
GetSocketLinger(const int UNUSED(fd), int *const UNUSED(lingertime))
{
LIBSIO_USE_VAR(fd);
LIBSIO_USE_VAR(lingertime);
return (-1);
} /* GetSocketLinger */
#else
int
GetSocketLinger(const int fd, int *const lingertime)
{
int optsize;
struct linger opt;
optsize = (int) sizeof(opt);
opt.l_onoff = 0;
opt.l_linger = 0;
if (getsockopt(fd, SOL_SOCKET, SO_LINGER, (char *) &opt, &optsize) < 0)
return (-1);
if (lingertime != NULL)
*lingertime = opt.l_linger;
return (opt.l_onoff);
} /* GetSocketLinger */
#endif /* SO_LINGER */
#ifndef SO_LINGER
int
SetSocketLinger(const int UNUSED(fd), const int UNUSED(l_onoff), const int UNUSED(l_linger))
{
LIBSIO_USE_VAR(fd);
LIBSIO_USE_VAR(l_onoff);
LIBSIO_USE_VAR(l_linger);
return (-1);
} /* SetSocketLinger */
#else
int
SetSocketLinger(const int fd, const int l_onoff, const int l_linger)
{
struct linger opt;
int optsize;
/*
* From hpux:
*
* Structure used for manipulating linger option.
*
* if l_onoff == 0:
* close(2) returns immediately; any buffered data is sent later
* (default)
*
* if l_onoff != 0:
* if l_linger == 0, close(2) returns after discarding any unsent data
* if l_linger != 0, close(2) does not return until buffered data is sent
*/
#if 0
struct linger {
int l_onoff; /* 0 = do not wait to send data */
/* non-0 = see l_linger */
int l_linger; /* 0 = discard unsent data */
/* non-0 = wait to send data */
};
#endif
opt.l_onoff = l_onoff;
opt.l_linger = l_linger;
optsize = (int) sizeof(opt);
return (setsockopt(fd, SOL_SOCKET, SO_LINGER, (char *) &opt, optsize));
} /* SetSocketLinger */
#endif /* SO_LINGER */