int
main(int argc, char **argv)
{
int fd;
struct t_opthdr *topt;
struct t_optmgmt *req, *ret;
if (argc != 3)
err_quit("usage: setbufs <device> <bufsiz>");
fd = T_open(argv[1], O_RDWR, NULL);
printf("Device = %s\n", argv[1]);
T_bind(fd, NULL, NULL);
req = T_alloc(fd, T_OPTMGMT, T_ALL);
ret = T_alloc(fd, T_OPTMGMT, T_ALL);
topt = (struct t_opthdr *) req->opt.buf;
topt->level = XTI_GENERIC;
topt->name = XTI_RCVBUF;
topt->len = sizeof(struct t_opthdr) + sizeof(u_long);
topt->status = 0; /* ??? */
req->opt.len = topt->len;
*((u_long *) (topt + 1)) = atol(argv[2]);
#ifdef notdef
topt = OPT_NEXTHDR(req->opt.buf, req->opt.maxlen, topt);
topt->level = XTI_GENERIC;
topt->name = XTI_SNDBUF;
topt->len = sizeof(struct t_opthdr) + sizeof(u_long);
*((u_long *) (topt + 1)) = atol(argv[2]);
req->opt.len += topt->len;
#endif
req->flags = T_NEGOTIATE;
T_optmgmt(fd, req, ret);
printf("returned flags = %ld, len = %d\n", ret->flags, ret->opt.len);
for (topt = (struct t_opthdr *) ret->opt.buf; topt != NULL;
topt = OPT_NEXTHDR(ret->opt.buf, ret->opt.len, topt)) {
if (topt->level == XTI_GENERIC && topt->name == XTI_RCVBUF) {
printf("RCVBUF = %ld, status = %ld\n",
*((u_long *) (topt + 1)), topt->status);
} else if (topt->level == XTI_GENERIC && topt->name == XTI_SNDBUF) {
printf("SNDBUF = %ld, status = %ld\n",
*((u_long *) (topt + 1)), topt->status);
} else {
printf("unexpected option: len = %ld, level = %ld, name = %ld\n",
topt->len, topt->level, topt->name);
}
}
exit(0);
}
int main(int argc, char** argv)
{
int fd;
struct t_call* tcall;
fd = T_open(XTI_TCP, O_RDWR, NULL);
tcall = T_alloc(fd, T_CALL, T_ALL);
printf("first t_alloc OK\n");
tcall = T_alloc(fd, T_CALL, T_ADDR | T_OPT | T_UDATA);
printf("second t_alloc OK\n");
exit(0);
}
int
main(int argc, char **argv)
{
int tfd, flags;
char recvline[MAXLINE + 1];
socklen_t addrlen;
struct t_unitdata *sndptr, *rcvptr;
if (argc != 3)
err_quit("usage: daytimeudpcli <hostname> <service>");
tfd = Udp_client(argv[1], argv[2], (void **) &sndptr, &addrlen);
rcvptr = T_alloc(tfd, T_UNITDATA, T_ADDR);
printf("sending to %s\n", Xti_ntop_host(&sndptr->addr));
sndptr->udata.maxlen = MAXLINE;
sndptr->udata.len = 1;
sndptr->udata.buf = recvline;
recvline[0] = 0; /* 1-byte datagram containing null byte */
T_sndudata(tfd, sndptr);
rcvptr->udata.maxlen = MAXLINE;
rcvptr->udata.buf = recvline;
T_rcvudata(tfd, rcvptr, &flags);
recvline[rcvptr->udata.len] = 0; /* null terminate */
printf("from %s: %s", Xti_ntop_host(&rcvptr->addr), recvline);
exit(0);
}
int
main(int argc, char **argv)
{
int tfd, flags;
char buff[MAXLINE];
time_t ticks;
struct t_unitdata *tud;
if (argc == 2)
tfd = Udp_server(NULL, argv[1], NULL);
else if (argc == 3)
tfd = Udp_server(argv[1], argv[2], NULL);
else
err_quit("usage: daytimeudpsrv [ <host> ] <service or port>");
tud = T_alloc(tfd, T_UNITDATA, T_ADDR);
for ( ; ; ) {
tud->udata.maxlen = MAXLINE;
tud->udata.buf = buff;
T_rcvudata(tfd, tud, &flags);
printf("datagram from %s\n", Xti_ntop(&tud->addr));
ticks = time(NULL);
snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));
tud->udata.len = strlen(buff);
T_sndudata(tfd, tud);
}
}
int
xti_getopt(int fd, int level, int name, void *optval, socklen_t *optlenp)
{
int rc, len;
struct t_optmgmt *req, *ret;
struct t_opthdr *topt;
req = T_alloc(fd, T_OPTMGMT, T_ALL);
ret = T_alloc(fd, T_OPTMGMT, T_ALL);
if (req->opt.maxlen == 0)
err_quit("xti_getopt: opt.maxlen == 0");
topt = (struct t_opthdr *) req->opt.buf;
topt->level = level;
topt->name = name;
topt->len = sizeof(struct t_opthdr); /* just a t_opthdr{} */
req->opt.len = topt->len;
req->flags = T_CURRENT;
if (t_optmgmt(fd, req, ret) < 0) {
T_free(req, T_OPTMGMT);
T_free(ret, T_OPTMGMT);
return(-1);
}
rc = ret->flags;
if (rc == T_SUCCESS || rc == T_READONLY) {
/*4copy back value and length */
topt = (struct t_opthdr *) ret->opt.buf;
len = topt->len - sizeof(struct t_opthdr);
len = min(len, *optlenp);
memcpy(optval, topt+1, len);
*optlenp = len;
}
T_free(req, T_OPTMGMT);
T_free(ret, T_OPTMGMT);
if (rc == T_SUCCESS || rc == T_READONLY)
return(0);
return(-1); /* T_NOTSUPPORT */
}
int
main(int argc, char **argv)
{
int fd;
if (argc != 2)
err_quit("usage: checkopts <device>");
fd = T_open(argv[1], O_RDWR, NULL);
T_bind(fd, NULL, NULL);
req = T_alloc(fd, T_OPTMGMT, T_ALL);
ret = T_alloc(fd, T_OPTMGMT, T_ALL);
xti_def_uchar_opt(fd, "T_IP_TOS", T_INET_IP, T_IP_TOS);
xti_def_uchar_opt(fd, "T_IP_TTL", T_INET_IP, T_IP_TTL);
xti_def_uscalar_opt(fd, "T_TCP_MAXSEG", T_INET_TCP, T_TCP_MAXSEG);
xti_def_uscalar_opt(fd, "T_TCP_NODELAY", T_INET_TCP, T_TCP_NODELAY);
exit(0);
}
int
main(int argc, char **argv)
{
int fd;
if (argc != 2)
err_quit("usage: checkopts <device>");
fd = T_open(argv[1], O_RDWR, NULL);
T_bind(fd, NULL, NULL);
req = T_alloc(fd, T_OPTMGMT, T_ALL);
ret = T_alloc(fd, T_OPTMGMT, T_ALL);
xti_set_uchar_opt(fd, "T_IP_TOS", T_INET_IP, T_IP_TOS,
SET_TOS(T_ROUTINE, T_LDELAY));
xti_set_uchar_opt(fd, "T_IP_TTL", T_INET_IP, T_IP_TTL, 23);
/* xti_def_ulong_opt(fd, "TCP_MAXSEG", INET_TCP, TCP_MAXSEG); */
/* xti_def_ulong_opt(fd, "TCP_NODELAY", INET_TCP, TCP_NODELAY); */
exit(0);
}
int
udp_client(const char *host, const char *serv, void **vptr, socklen_t *lenp)
{
int tfd;
void *handle;
struct netconfig *ncp;
struct nd_hostserv hs;
struct nd_addrlist *alp;
struct netbuf *np;
struct t_unitdata *tudptr;
handle = Setnetpath();
hs.h_host = (char *) host;
hs.h_serv = (char *) serv;
while ( (ncp = getnetpath(handle)) != NULL) {
if (strcmp(ncp->nc_proto, "udp") != 0)
continue;
if (netdir_getbyname(ncp, &hs, &alp) != 0)
continue;
tfd = T_open(ncp->nc_device, O_RDWR, NULL);
T_bind(tfd, NULL, NULL);
tudptr = T_alloc(tfd, T_UNITDATA, T_ADDR);
np = alp->n_addrs; /* use first server address */
tudptr->addr.len = min(tudptr->addr.maxlen, np->len);
memcpy(tudptr->addr.buf, np->buf, tudptr->addr.len);
endnetpath(handle);
netdir_free(alp, ND_ADDRLIST);
*vptr = tudptr; /* return pointer to t_unitdata{} */
*lenp = tudptr->addr.maxlen;/* and size of addresses */
return(tfd);
}
endnetpath(handle);
return(-1);
}
int
tcp_connect(const char *host, const char *serv)
{
int tfd, i;
void *handle;
struct t_call tcall;
struct t_discon tdiscon;
struct netconfig *ncp;
struct nd_hostserv hs;
struct nd_addrlist *alp;
struct netbuf *np;
struct t_opthdr *topt;
handle = Setnetpath();
hs.h_host = (char *) host;
hs.h_serv = (char *) serv;
while ( (ncp = getnetpath(handle)) != NULL) {
if (strcmp(ncp->nc_proto, "tcp") != 0)
continue;
if (netdir_getbyname(ncp, &hs, &alp) != 0)
continue;
/* try each server address */
for (i = 0, np = alp->n_addrs; i < alp->n_cnt; i++, np++) {
tfd = T_open(ncp->nc_device, O_RDWR, NULL);
T_bind(tfd, NULL, NULL);
tcall.addr.len = np->len;
tcall.addr.buf = np->buf; /* pointer copy */
tcall.opt.len = 0; /* no options */
tcall.udata.len = 0; /* no user data with connect */
if (t_connect(tfd, &tcall, NULL) == 0) {
endnetpath(handle); /* success, connected to server */
netdir_free(alp, ND_ADDRLIST);
req = T_alloc(fd, T_OPTMGMT, T_ALL);
ret = T_alloc(fd, T_OPTMGMT, T_ALL);
topt = (struct t_opthdr *) req->opt.buf;
topt->level = T_INET_TCP;
topt->name = T_TCP_MAXSEG;
topt->len = sizeof(struct t_opthdr) + sizeof(u_long);
req->opt.len = topt->len;
topt = OPT_NEXTHDR(req->opt.buf, req->opt.maxlen, topt);
topt->level = XTI_GENERIC;
topt->name = XTI_SNDBUF;
topt->len = sizeof(struct t_opthdr) + sizeof(u_long);
req->opt.len += topt->len;
return(tfd);
}
if (t_errno == TLOOK && t_look(tfd) == T_DISCONNECT) {
t_rcvdis(tfd, &tdiscon);
errno = tdiscon.reason;
}
t_close(tfd);
}
netdir_free(alp, ND_ADDRLIST);
}
endnetpath(handle);
return(-1);
}
