void
rpc_dplx_ruf(int fd)
{
uint32_t oflags;
struct rpc_dplx_rec *rec =
rpc_dplx_lookup_rec(fd, RPC_DPLX_FLAG_NONE, &oflags);
/* assert: initialized */
mutex_unlock(&rec->recv.lock.we.mtx);
}
void
rpc_dplx_rlfi(int fd, const char *func, int line)
{
uint32_t oflags;
struct rpc_dplx_rec *rec =
rpc_dplx_lookup_rec(fd, RPC_DPLX_FLAG_NONE, &oflags);
rpc_dplx_lock_t *lk = &rec->recv.lock;
mutex_lock(&lk->we.mtx);
if (__pkg_params.debug_flags & TIRPC_DEBUG_FLAG_LOCK) {
lk->locktrace.func = (char*) func;
lk->locktrace.line = line;
}
}
SVCXPRT *
svc_dg_ncreate(int fd, u_int sendsize, u_int recvsize)
{
SVCXPRT *xprt;
struct svc_dg_data *su = NULL;
struct __rpc_sockinfo si;
struct sockaddr_storage ss;
socklen_t slen;
uint32_t oflags;
if (!__rpc_fd2sockinfo(fd, &si)) {
__warnx(TIRPC_DEBUG_FLAG_SVC_DG,
svc_dg_str, svc_dg_err1);
return (NULL);
}
/*
* Find the receive and the send size
*/
sendsize = __rpc_get_t_size(si.si_af, si.si_proto, (int)sendsize);
recvsize = __rpc_get_t_size(si.si_af, si.si_proto, (int)recvsize);
if ((sendsize == 0) || (recvsize == 0)) {
__warnx(TIRPC_DEBUG_FLAG_SVC_DG,
svc_dg_str, svc_dg_err2);
return (NULL);
}
xprt = mem_alloc(sizeof (SVCXPRT));
if (xprt == NULL)
goto freedata;
memset(xprt, 0, sizeof (SVCXPRT));
/* Init SVCXPRT locks, etc */
mutex_init(&xprt->xp_lock, NULL);
mutex_init(&xprt->xp_auth_lock, NULL);
su = mem_alloc(sizeof (*su));
if (su == NULL)
goto freedata;
su->su_iosz = ((MAX(sendsize, recvsize) + 3) / 4) * 4;
if ((rpc_buffer(xprt) = mem_alloc(su->su_iosz)) == NULL)
goto freedata;
xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz,
XDR_DECODE);
su->su_cache = NULL;
xprt->xp_flags = SVC_XPRT_FLAG_NONE;
xprt->xp_refcnt = 1;
xprt->xp_fd = fd;
xprt->xp_p2 = su;
svc_dg_ops(xprt);
xprt->xp_rtaddr.maxlen = sizeof (struct sockaddr_storage);
slen = sizeof ss;
if (getsockname(fd, (struct sockaddr *)(void *)&ss, &slen) < 0)
goto freedata;
__rpc_set_netbuf(&xprt->xp_ltaddr, &ss, slen);
switch (ss.ss_family) {
case AF_INET:
xprt->xp_port = ntohs(((struct sockaddr_in *) &ss)->sin_port);
break;
#ifdef INET6
case AF_INET6:
xprt->xp_port = ntohs(((struct sockaddr_in6 *) &ss)->sin6_port);
break;
#endif
case AF_LOCAL:
/* no port */
break;
default:
break;
}
/* Enable reception of IP*_PKTINFO control msgs */
svc_dg_enable_pktinfo(fd, &si);
/* Make reachable */
xprt->xp_p5 = rpc_dplx_lookup_rec(xprt->xp_fd,
RPC_DPLX_FLAG_NONE, &oflags); /* ref+1 */
svc_rqst_init_xprt(xprt);
/* Conditional xprt_register */
if (! (__svc_params->flags & SVC_FLAG_NOREG_XPRTS))
xprt_register(xprt);
return (xprt);
freedata:
__warnx(TIRPC_DEBUG_FLAG_SVC_DG,
svc_dg_str, __no_mem_str);
if (xprt) {
if (su)
(void) mem_free(su, sizeof (*su));
svc_rqst_finalize_xprt(xprt, SVC_RQST_FLAG_NONE);
(void) mem_free(xprt, sizeof (SVCXPRT));
}
return (NULL);
}
/*
* Connection less client creation returns with client handle parameters.
* Default options are set, which the user can change using clnt_control().
* fd should be open and bound.
*
* sendsz and recvsz are the maximum allowable packet sizes that can be
* sent and received. Normally they are the same, but they can be
* changed to improve the program efficiency and buffer allocation.
* If they are 0, use the transport default.
*
* If svcaddr is NULL, returns NULL.
*/
CLIENT *
clnt_dg_ncreate(int fd, /* open file descriptor */
const struct netbuf *svcaddr, /* servers address */
rpcprog_t program, /* program number */
rpcvers_t version, /* version number */
u_int sendsz, /* buffer recv size */
u_int recvsz /* buffer send size */)
{
CLIENT *clnt = NULL; /* client handle */
struct cx_data *cx = NULL; /* private data */
struct cu_data *cu = NULL;
struct timespec now;
struct rpc_msg call_msg;
struct __rpc_sockinfo si;
uint32_t oflags;
int one = 1;
if (svcaddr == NULL) {
rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
return (NULL);
}
if (!__rpc_fd2sockinfo(fd, &si)) {
rpc_createerr.cf_stat = RPC_TLIERROR;
rpc_createerr.cf_error.re_errno = 0;
return (NULL);
}
/*
* Find the receive and the send size
*/
sendsz = __rpc_get_t_size(si.si_af, si.si_proto, (int)sendsz);
recvsz = __rpc_get_t_size(si.si_af, si.si_proto, (int)recvsz);
if ((sendsz == 0) || (recvsz == 0)) {
rpc_createerr.cf_stat = RPC_TLIERROR; /* XXX */
rpc_createerr.cf_error.re_errno = 0;
return (NULL);
}
clnt = mem_alloc(sizeof(CLIENT));
if (clnt == NULL)
goto err1;
mutex_init(&clnt->cl_lock, NULL);
clnt->cl_flags = CLNT_FLAG_NONE;
/*
* Should be multiple of 4 for XDR.
*/
sendsz = ((sendsz + 3) / 4) * 4;
recvsz = ((recvsz + 3) / 4) * 4;
cx = alloc_cx_data(CX_DG_DATA, sendsz, recvsz);
if (cx == NULL)
goto err1;
cu = CU_DATA(cx);
(void)memcpy(&cu->cu_raddr, svcaddr->buf, (size_t) svcaddr->len);
cu->cu_rlen = svcaddr->len;
/* Other values can also be set through clnt_control() */
cu->cu_wait.tv_sec = 15; /* heuristically chosen */
cu->cu_wait.tv_usec = 0;
cu->cu_total.tv_sec = -1;
cu->cu_total.tv_usec = -1;
cu->cu_sendsz = sendsz;
cu->cu_recvsz = recvsz;
cu->cu_async = false;
cu->cu_connect = false;
cu->cu_connected = false;
(void)clock_gettime(CLOCK_MONOTONIC_FAST, &now);
call_msg.rm_xid = __RPC_GETXID(&now); /* XXX? */
call_msg.rm_call.cb_prog = program;
call_msg.rm_call.cb_vers = version;
xdrmem_create(&(cu->cu_outxdrs), cu->cu_outbuf, sendsz, XDR_ENCODE);
if (!xdr_callhdr(&(cu->cu_outxdrs), &call_msg)) {
rpc_createerr.cf_stat = RPC_CANTENCODEARGS; /* XXX */
rpc_createerr.cf_error.re_errno = 0;
goto err2;
}
cu->cu_xdrpos = XDR_GETPOS(&(cu->cu_outxdrs));
/* XXX fvdl - do we still want this? */
#if 0
(void)bindresvport_sa(fd, (struct sockaddr *)svcaddr->buf);
#endif
#ifdef IP_RECVERR
{
int on = 1;
(void) setsockopt(fd, SOL_IP, IP_RECVERR, &on, sizeof(on));
}
#endif
ioctl(fd, FIONBIO, (char *)(void *)&one);
/*
* By default, closeit is always false. It is users responsibility
* to do a close on it, else the user may use clnt_control
* to let clnt_destroy do it for him/her.
*/
cu->cu_closeit = false;
cu->cu_fd = fd;
clnt->cl_ops = clnt_dg_ops();
clnt->cl_p1 = cx;
clnt->cl_p2 = rpc_dplx_lookup_rec(fd, RPC_DPLX_LKP_FLAG_NONE,
&oflags); /* ref+1 */
clnt->cl_tp = NULL;
clnt->cl_netid = NULL;
return (clnt);
err1:
__warnx(TIRPC_DEBUG_FLAG_CLNT_DG, mem_err_clnt_dg);
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
err2:
if (clnt) {
mem_free(clnt, sizeof(CLIENT));
if (cx)
free_cx_data(cx);
}
return (NULL);
}
