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//
// Copyright 2016 Garrett D'Amore <garrett@damore.org>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "core/nng_impl.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
// Functionality realited to end points.
#if 0
struct nng_endpt {
struct nni_endpt_ops ep_ops;
void * ep_data;
nni_list_node_t ep_sock_node;
nni_socket * ep_sock;
char ep_addr[NNG_MAXADDRLEN];
nni_thread * ep_dialer;
nni_thread * ep_listener;
int ep_close;
nni_mutex ep_mx;
nni_cond ep_cv;
};
#endif
int
nni_endpt_create(nni_endpt **epp, nni_socket *sock, const char *addr)
{
nni_transport *tran;
nni_endpt *ep;
int rv;
if ((tran = nni_transport_find(addr)) == NULL) {
return (NNG_EINVAL);
}
if (strlen(addr) >= NNG_MAXADDRLEN) {
return (NNG_EINVAL);
}
if ((ep = nni_alloc(sizeof (*ep))) == NULL) {
return (NNG_ENOMEM);
}
ep->ep_dialer = NULL;
ep->ep_listener = NULL;
ep->ep_close = 0;
if ((rv = nni_mutex_init(&ep->ep_mx)) != 0) {
nni_free(ep, sizeof (*ep));
return (NNG_ENOMEM);
}
if ((rv = nni_cond_init(&ep->ep_cv, &ep->ep_mx)) != 0) {
nni_mutex_fini(&ep->ep_mx);
nni_free(ep, sizeof (*ep));
return (NNG_ENOMEM);
}
// Could safely use strcpy here, but this avoids discussion.
(void) snprintf(ep->ep_addr, sizeof (ep->ep_addr), "%s", addr);
ep->ep_sock = sock;
ep->ep_ops = *tran->tran_ep_ops;
rv = ep->ep_ops.ep_create(&ep->ep_data, addr, nni_socket_proto(sock));
if (rv != 0) {
nni_cond_fini(&ep->ep_cv);
nni_mutex_fini(&ep->ep_mx);
nni_free(ep, sizeof (*ep));
return (rv);
}
NNI_LIST_INIT(&ep->ep_pipes, nni_pipe, p_ep_node);
*epp = ep;
return (0);
}
void
nni_endpt_destroy(nni_endpt *ep)
{
// We should already have been closed at this point, so this
// should proceed very quickly.
if (ep->ep_dialer) {
nni_thread_reap(ep->ep_dialer);
}
if (ep->ep_listener) {
nni_thread_reap(ep->ep_listener);
}
nni_mutex_enter(&ep->ep_mx);
while (nni_list_first(&ep->ep_pipes) != NULL) {
nni_cond_wait(&ep->ep_cv);
}
nni_mutex_exit(&ep->ep_mx);
ep->ep_ops.ep_destroy(ep->ep_data);
nni_cond_fini(&ep->ep_cv);
nni_mutex_fini(&ep->ep_mx);
nni_free(ep, sizeof (*ep));
}
void
nni_endpt_close(nni_endpt *ep)
{
nni_mutex_enter(&ep->ep_mx);
if (ep->ep_close) {
nni_mutex_exit(&ep->ep_mx);
return;
}
ep->ep_close = 1;
nni_cond_broadcast(&ep->ep_cv);
nni_mutex_exit(&ep->ep_mx);
ep->ep_ops.ep_close(ep->ep_data);
}
#if 0
int nni_endpt_dial(nni_endpt *, nni_pipe **);
int nni_endpt_listen(nni_endpt *);
int nni_endpt_accept(nni_endpt *, nni_pipe **);
int nni_endpt_close(nni_endpt *);
#endif
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