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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.
//
#ifndef CORE_SOCKET_H
#define CORE_SOCKET_H
// NB: This structure is supplied here for use by the CORE. Use of this library
// OUSIDE of the core is STRICTLY VERBOTEN. NO DIRECT ACCESS BY PROTOCOLS OR
// TRANSPORTS.
struct nng_socket {
nni_mutex s_mx;
nni_cond s_cv;
nni_msgqueue * s_uwq; // Upper write queue
nni_msgqueue * s_urq; // Upper read queue
nni_protocol s_ops;
void * s_data; // Protocol private
// XXX: options
nni_duration s_linger; // linger time
nni_duration s_sndtimeo; // send timeout
nni_duration s_rcvtimeo; // receive timeout
nni_duration s_reconn; // reconnect time
nni_duration s_reconnmax; // max reconnect time
nni_list s_eps; // active endpoints
nni_list s_pipes; // pipes for this socket
nni_list s_reaps; // pipes to reap
nni_thr s_reaper;
int s_closing; // Socket is closing
int s_besteffort; // Best effort mode delivery
int s_senderr; // Protocol state machine use
int s_recverr; // Protocol state machine use
uint32_t s_nextid; // Next Pipe ID.
};
extern int nni_socket_create(nni_socket **, uint16_t);
extern int nni_socket_close(nni_socket *);
extern uint16_t nni_socket_proto(nni_socket *);
extern int nni_socket_setopt(nni_socket *, int, const void *, size_t);
extern int nni_socket_getopt(nni_socket *, int, void *, size_t *);
extern int nni_socket_recvmsg(nni_socket *, nni_msg **, nni_time);
extern int nni_socket_sendmsg(nni_socket *, nni_msg *, nni_time);
extern int nni_socket_dial(nni_socket *, const char *, nni_endpt **, int);
extern int nni_socket_listen(nni_socket *, const char *, nni_endpt **, int);
// Set error codes for applications. These are only ever
// called from the filter functions in protocols, and thus
// already have the socket lock held.
extern void nni_socket_recverr(nni_socket *, int);
extern void nni_socket_senderr(nni_socket *, int);
#endif // CORE_SOCKET_H
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