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/*
* Copyright 2016 Garrett D'Amore <garrett@damore.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "core/nng_impl.h"
/*
* This file contains functions relating to pipes.
*
* Operations on pipes (to the transport) are generally blocking operations,
* performed in the context of the protocol.
*/
struct nng_pipe {
uint32_t p_id;
struct nni_pipe_ops p_ops;
void *p_tran;
nni_list_node_t p_node;
};
/* nni_pipe_id returns the 32-bit pipe id, which can be used in backtraces. */
uint32_t
nni_pipe_id(nng_pipe_t p)
{
return (p->p_id);
}
int
nni_pipe_send(nng_pipe_t p, nng_msg_t msg)
{
return (p->p_ops.p_send(p->p_tran, msg));
}
int
nni_pipe_recv(nng_pipe_t p, nng_msg_t *msgp)
{
return (p->p_ops.p_recv(p->p_tran, msgp));
}
/*
* nni_pipe_close closes the underlying connection. It is expected that
* subsequent attempts receive or send (including any waiting receive) will
* simply return NNG_ECLOSED.
*/
void
nni_pipe_close(nng_pipe_t p)
{
/* XXX: we need to unregister from the parent socket. */
/* XXX: also unregister from the protocol. */
return (p->p_ops.p_close(p->p_tran));
}
uint16_t
nni_pipe_peer(nng_pipe_t p)
{
return (p->p_ops.p_peer(p->p_tran));
}
void
nni_pipe_destroy(nng_pipe_t p)
{
p->p_ops.p_destroy(p->p_tran);
nni_free(p, sizeof (*p));
}
void
nni_pipe_list_init(nni_list_t *list)
{
NNI_LIST_INIT(list, struct nng_pipe, p_node);
}
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